Mercurial > louis > kiibohd-controller
annotate Scan/ISSILed/led_scan.c @ 331:9e31d92caf12
Initial STLcd code.
- Basic screen initialization and clear is working
- Currently SPI is set to a low speed for easy logic analyzer debugging
author | Jacob Alexander <haata@kiibohd.com> |
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date | Tue, 14 Apr 2015 00:40:48 -0700 |
parents | f4d4cad283c6 |
children | 66eccdd9ced5 |
rev | line source |
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1 /* Copyright (C) 2014-2015 by Jacob Alexander |
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2 * |
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3 * This file is free software: you can redistribute it and/or modify |
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4 * it under the terms of the GNU General Public License as published by |
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5 * the Free Software Foundation, either version 3 of the License, or |
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6 * (at your option) any later version. |
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7 * |
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8 * This file is distributed in the hope that it will be useful, |
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 * GNU General Public License for more details. |
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12 * |
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13 * You should have received a copy of the GNU General Public License |
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14 * along with this file. If not, see <http://www.gnu.org/licenses/>. |
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15 */ |
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16 |
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17 // ----- Includes ----- |
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18 |
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19 // Compiler Includes |
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20 #include <Lib/ScanLib.h> |
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21 |
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22 // Project Includes |
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23 #include <cli.h> |
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24 #include <led.h> |
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25 #include <print.h> |
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26 |
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27 // Local Includes |
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28 #include "led_scan.h" |
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29 |
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30 |
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31 |
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32 // ----- Defines ----- |
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33 |
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34 #define I2C_TxBufferLength 300 |
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35 #define I2C_RxBufferLength 8 |
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36 |
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37 #define LED_BufferLength 144 |
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38 |
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39 |
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40 // ----- Structs ----- |
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41 |
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42 typedef struct I2C_Buffer { |
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43 uint16_t head; |
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44 uint16_t tail; |
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45 uint8_t sequencePos; |
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46 uint16_t size; |
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47 uint8_t *buffer; |
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48 } I2C_Buffer; |
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49 |
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50 typedef struct LED_Buffer { |
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51 uint8_t buffer[LED_BufferLength]; |
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52 } LED_Buffer; |
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53 |
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54 |
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55 |
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56 // ----- Function Declarations ----- |
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57 |
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58 // CLI Functions |
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59 void cliFunc_i2cRecv( char* args ); |
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60 void cliFunc_i2cSend( char* args ); |
331 | 61 void cliFunc_ledPage( char* args ); |
62 void cliFunc_ledStart( char* args ); | |
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63 void cliFunc_ledTest( char* args ); |
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64 void cliFunc_ledZero( char* args ); |
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65 |
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66 uint8_t I2C_TxBufferPop(); |
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67 void I2C_BufferPush( uint8_t byte, I2C_Buffer *buffer ); |
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68 uint16_t I2C_BufferLen( I2C_Buffer *buffer ); |
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69 uint8_t I2C_Send( uint8_t *data, uint8_t sendLen, uint8_t recvLen ); |
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70 |
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71 |
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72 |
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73 // ----- Variables ----- |
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74 |
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75 // Scan Module command dictionary |
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76 CLIDict_Entry( i2cRecv, "Send I2C sequence of bytes and expect a reply of 1 byte on the last sequence." NL "\t\tUse |'s to split sequences with a stop." ); |
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77 CLIDict_Entry( i2cSend, "Send I2C sequence of bytes. Use |'s to split sequences with a stop." ); |
331 | 78 CLIDict_Entry( ledPage, "Read the given register page." ); |
79 CLIDict_Entry( ledStart, "Disable software shutdown." ); | |
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80 CLIDict_Entry( ledTest, "Test out the led pages." ); |
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81 CLIDict_Entry( ledZero, "Zero out LED register pages (non-configuration)." ); |
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82 |
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83 CLIDict_Def( ledCLIDict, "ISSI LED Module Commands" ) = { |
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84 CLIDict_Item( i2cRecv ), |
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85 CLIDict_Item( i2cSend ), |
331 | 86 CLIDict_Item( ledPage ), |
87 CLIDict_Item( ledStart ), | |
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88 CLIDict_Item( ledTest ), |
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89 CLIDict_Item( ledZero ), |
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90 { 0, 0, 0 } // Null entry for dictionary end |
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91 }; |
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92 |
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93 |
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94 |
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95 // Before sending the sequence, I2C_TxBuffer_CurLen is assigned and as each byte is sent, it is decremented |
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96 // Once I2C_TxBuffer_CurLen reaches zero, a STOP on the I2C bus is sent |
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97 volatile uint8_t I2C_TxBufferPtr[ I2C_TxBufferLength ]; |
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98 volatile uint8_t I2C_RxBufferPtr[ I2C_TxBufferLength ]; |
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99 |
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100 volatile I2C_Buffer I2C_TxBuffer = { 0, 0, 0, I2C_TxBufferLength, (uint8_t*)I2C_TxBufferPtr }; |
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101 volatile I2C_Buffer I2C_RxBuffer = { 0, 0, 0, I2C_RxBufferLength, (uint8_t*)I2C_RxBufferPtr }; |
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102 |
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103 LED_Buffer LED_pageBuffer; |
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104 |
331 | 105 /* |
315
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106 // A bit mask determining which LEDs are enabled in the ISSI chip |
331 | 107 // All channel mask example |
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108 // 0x00 -> 0x11 |
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109 const uint8_t LED_ledEnableMask[] = { |
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110 0xE8, // I2C address |
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111 0x00, // Starting register address |
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112 0xFF, 0xFF, // C1-1 -> C1-16 |
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113 0xFF, 0xFF, // C2-1 -> C2-16 |
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114 0xFF, 0xFF, // C3-1 -> C3-16 |
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115 0xFF, 0xFF, // C4-1 -> C4-16 |
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116 0xFF, 0xFF, // C5-1 -> C5-16 |
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117 0xFF, 0xFF, // C6-1 -> C6-16 |
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118 0xFF, 0xFF, // C7-1 -> C7-16 |
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119 0xFF, 0xFF, // C8-1 -> C8-16 |
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120 0xFF, 0xFF, // C9-1 -> C9-16 |
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121 }; |
331 | 122 */ |
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123 |
331 | 124 /* |
125 // A bit mask determining which LEDs are enabled in the ISSI chip | |
126 // Infinity ErgoDox full mask | |
127 // 0x00 -> 0x11 | |
128 const uint8_t LED_ledEnableMask[] = { | |
129 0xE8, // I2C address | |
130 0x00, // Starting register address | |
131 0xFC, 0xFC, // C1-1 -> C1-16 | |
132 0xFB, 0xFB, // C2-1 -> C2-16 | |
133 0xFF, 0xFF, // C3-1 -> C3-16 | |
134 0xFE, 0xFE, // C4-1 -> C4-16 | |
135 0x7F, 0x7F, // C5-1 -> C5-16 | |
136 0xFF, 0xFF, // C6-1 -> C6-16 | |
137 0xCF, 0xCF, // C7-1 -> C7-16 | |
138 0xC7, 0xC7, // C8-1 -> C8-16 | |
139 0x43, 0x43, // C9-1 -> C9-16 | |
140 }; | |
141 */ | |
142 const uint8_t LED_ledEnableMask[] = { | |
143 0xE8, // I2C address | |
144 0x00, // Starting register address | |
145 0x00, 0x00, // C1-1 -> C1-16 | |
146 //0xEC, 0xEC, // C1-1 -> C1-16 | |
147 0x00, 0x00, // C2-1 -> C2-16 | |
148 0x00, 0x00, // C3-1 -> C3-16 | |
149 0x00, 0x00, // C4-1 -> C4-16 | |
150 0x00, 0x00, // C5-1 -> C5-16 | |
151 0x00, 0x00, // C6-1 -> C6-16 | |
152 0x08, 0x08, // C7-1 -> C7-16 | |
153 0x00, 0x00, // C8-1 -> C8-16 | |
154 0x00, 0x00, // C9-1 -> C9-16 | |
155 }; | |
156 | |
157 | |
158 // XXX Pre-fill example of buffers | |
159 const uint8_t examplePage[] = { | |
160 0xE8, // I2C address | |
161 0x24, // Starting register address | |
162 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C1-1 -> C1-16 | |
163 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C2-1 -> C2-16 | |
164 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C3-1 -> C3-16 | |
165 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C4-1 -> C4-16 | |
166 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C5-1 -> C5-16 | |
167 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C6-1 -> C6-16 | |
168 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C7-1 -> C7-16 | |
169 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C8-1 -> C8-16 | |
170 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // C9-1 -> C9-16 | |
171 }; | |
172 | |
173 /* | |
315
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174 // XXX Pre-fill example of buffers |
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175 const uint8_t examplePage[] = { |
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176 0xE8, // I2C address |
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177 0x24, // Starting register address |
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178 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, // C1-1 -> C1-16 |
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179 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, // C2-1 -> C2-16 |
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180 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, // C3-1 -> C3-16 |
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181 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, // C4-1 -> C4-16 |
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182 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, // C5-1 -> C5-16 |
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183 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, // C6-1 -> C6-16 |
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184 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, // C7-1 -> C7-16 |
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185 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, // C8-1 -> C8-16 |
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186 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, // C9-1 -> C9-16 |
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187 }; |
331 | 188 */ |
315
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189 |
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190 |
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191 |
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192 // ----- Interrupt Functions ----- |
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193 |
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194 void i2c0_isr() |
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195 { |
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196 cli(); // Disable Interrupts |
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197 |
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198 uint8_t status = I2C0_S; // Read I2C Bus status |
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199 |
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200 // Master Mode Transmit |
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201 if ( I2C0_C1 & I2C_C1_TX ) |
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202 { |
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203 // Check current use of the I2C bus |
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204 // Currently sending data |
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205 if ( I2C_TxBuffer.sequencePos > 0 ) |
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206 { |
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207 // Make sure slave sent an ACK |
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208 if ( status & I2C_S_RXAK ) |
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209 { |
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210 // NACK Detected, disable interrupt |
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211 erro_print("I2C NAK detected..."); |
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212 I2C0_C1 = I2C_C1_IICEN; |
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213 |
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214 // Abort Tx Buffer |
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215 I2C_TxBuffer.head = 0; |
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216 I2C_TxBuffer.tail = 0; |
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217 I2C_TxBuffer.sequencePos = 0; |
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218 } |
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219 else |
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220 { |
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221 // Transmit byte |
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222 I2C0_D = I2C_TxBufferPop(); |
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223 } |
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224 } |
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225 // Receiving data |
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226 else if ( I2C_RxBuffer.sequencePos > 0 ) |
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227 { |
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228 // Master Receive, addr sent |
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229 if ( status & I2C_S_ARBL ) |
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230 { |
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231 // Arbitration Lost |
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232 erro_print("Arbitration lost..."); |
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233 // TODO Abort Rx |
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234 |
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235 I2C0_C1 = I2C_C1_IICEN; |
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236 I2C0_S = I2C_S_ARBL | I2C_S_IICIF; // Clear ARBL flag and interrupt |
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237 } |
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238 if ( status & I2C_S_RXAK ) |
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239 { |
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240 // Slave Address NACK Detected, disable interrupt |
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241 erro_print("Slave Address I2C NAK detected..."); |
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242 // TODO Abort Rx |
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243 |
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244 I2C0_C1 = I2C_C1_IICEN; |
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245 } |
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246 else |
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247 { |
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248 dbug_print("Attempting to read byte"); |
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249 I2C0_C1 = I2C_RxBuffer.sequencePos == 1 |
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250 ? I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TXAK // Single byte read |
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251 : I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST; // Multi-byte read |
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252 } |
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253 } |
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254 else |
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255 { |
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256 /* |
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257 dbug_msg("STOP - "); |
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258 printHex( I2C_BufferLen( (I2C_Buffer*)&I2C_TxBuffer ) ); |
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259 print(NL); |
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260 */ |
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261 |
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262 // Delay around STOP to make sure it actually happens... |
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263 delayMicroseconds( 1 ); |
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264 I2C0_C1 = I2C_C1_IICEN; // Send STOP |
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265 delayMicroseconds( 7 ); |
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266 |
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267 // If there is another sequence, start sending |
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268 if ( I2C_BufferLen( (I2C_Buffer*)&I2C_TxBuffer ) < I2C_TxBuffer.size ) |
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269 { |
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270 // Clear status flags |
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271 I2C0_S = I2C_S_IICIF | I2C_S_ARBL; |
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272 |
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273 // Wait...till the master dies |
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274 while ( I2C0_S & I2C_S_BUSY ); |
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275 |
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276 // Enable I2C interrupt |
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277 I2C0_C1 = I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TX; |
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278 |
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279 // Transmit byte |
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280 I2C0_D = I2C_TxBufferPop(); |
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281 } |
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282 } |
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283 } |
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284 // Master Mode Receive |
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285 else |
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286 { |
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287 // XXX Do we need to handle 2nd last byte? |
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288 //I2C0_C1 = I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TXAK; // No STOP, Rx, NAK on recv |
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289 |
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290 // Last byte |
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291 if ( I2C_TxBuffer.sequencePos <= 1 ) |
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292 { |
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293 // Change to Tx mode |
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294 I2C0_C1 = I2C_C1_IICEN | I2C_C1_MST | I2C_C1_TX; |
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295 |
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296 // Grab last byte |
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297 I2C_BufferPush( I2C0_D, (I2C_Buffer*)&I2C_RxBuffer ); |
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298 |
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299 delayMicroseconds( 1 ); // Should be enough time before issuing the stop |
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300 I2C0_C1 = I2C_C1_IICEN; // Send STOP |
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301 } |
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302 else |
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303 { |
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304 // Retrieve data |
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305 I2C_BufferPush( I2C0_D, (I2C_Buffer*)&I2C_RxBuffer ); |
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306 } |
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307 } |
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308 |
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309 I2C0_S = I2C_S_IICIF; // Clear interrupt |
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310 |
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311 sei(); // Re-enable Interrupts |
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312 } |
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313 |
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314 |
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315 |
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316 // ----- Functions ----- |
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317 |
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318 inline void I2C_setup() |
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319 { |
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320 // Enable I2C internal clock |
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321 SIM_SCGC4 |= SIM_SCGC4_I2C0; // Bus 0 |
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322 |
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323 // External pull-up resistor |
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324 PORTB_PCR0 = PORT_PCR_ODE | PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(2); |
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325 PORTB_PCR1 = PORT_PCR_ODE | PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(2); |
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326 |
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327 // SCL Frequency Divider |
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328 // 400kHz -> 120 (0x85) @ 48 MHz F_BUS |
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329 I2C0_F = 0x85; |
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330 I2C0_FLT = 4; |
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331 I2C0_C1 = I2C_C1_IICEN; |
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332 I2C0_C2 = I2C_C2_HDRS; // High drive select |
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333 |
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334 // Enable I2C Interrupt |
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335 NVIC_ENABLE_IRQ( IRQ_I2C0 ); |
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336 } |
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337 |
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338 void LED_zeroPages( uint8_t startPage, uint8_t numPages, uint8_t startReg, uint8_t endReg ) |
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339 { |
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340 // Page Setup |
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341 uint8_t pageSetup[] = { 0xE8, 0xFD, 0x00 }; |
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342 |
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343 // Max length of a page + chip id + reg start |
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344 uint8_t fullPage[ 0xB4 + 2 ] = { 0 }; // Max size of page |
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345 fullPage[0] = 0xE8; // Set chip id |
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346 fullPage[1] = startReg; // Set start reg |
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347 |
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348 // Iterate through given pages, zero'ing out the given register regions |
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349 for ( uint8_t page = startPage; page < startPage + numPages; page++ ) |
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350 { |
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351 // Set page |
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352 pageSetup[2] = page; |
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353 |
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354 // Setup page |
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355 while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 ) |
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356 delay(1); |
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357 |
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358 // Zero out page |
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359 while ( I2C_Send( fullPage, endReg - startReg + 2, 0 ) == 0 ) |
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360 delay(1); |
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361 } |
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362 } |
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363 |
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364 void LED_sendPage( uint8_t *buffer, uint8_t len, uint8_t page ) |
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365 { |
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366 // Page Setup |
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367 uint8_t pageSetup[] = { 0xE8, 0xFD, page }; |
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368 |
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369 // Setup page |
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370 while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 ) |
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371 delay(1); |
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372 |
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373 // Write page to I2C Tx Buffer |
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374 while ( I2C_Send( buffer, len, 0 ) == 0 ) |
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375 delay(1); |
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376 |
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377 } |
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378 |
331 | 379 void LED_readPage( uint8_t len, uint8_t page ) |
380 { | |
381 // Page Setup | |
382 uint8_t pageSetup[] = { 0xE8, 0xFD, page }; | |
383 | |
384 // Setup page | |
385 while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 ) | |
386 delay(1); | |
387 | |
388 // Register Setup | |
389 uint8_t regSetup[] = { 0xE8, 0x00 }; | |
390 | |
391 // Setup starting register | |
392 while ( I2C_Send( regSetup, sizeof( regSetup ), 0 ) == 0 ) | |
393 delay(1); | |
394 | |
395 // Register Read Command | |
396 uint8_t regReadCmd[] = { 0xE9 }; | |
397 | |
398 // Read each register in the page | |
399 for ( uint8_t reg = 0; reg < len; reg++ ) | |
400 { | |
401 // Request register data | |
402 while ( I2C_Send( regReadCmd, sizeof( regReadCmd ), 0 ) == 0 ) | |
403 delay(1); | |
404 } | |
405 } | |
406 | |
315
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407 void LED_writeReg( uint8_t reg, uint8_t val, uint8_t page ) |
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408 { |
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409 // Page Setup |
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410 uint8_t pageSetup[] = { 0xE8, 0xFD, page }; |
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411 |
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412 // Reg Write Setup |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
413 uint8_t writeData[] = { 0xE8, reg, val }; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
414 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
415 // Setup page |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
416 while ( I2C_Send( pageSetup, sizeof( pageSetup ), 0 ) == 0 ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
417 delay(1); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
418 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
419 while ( I2C_Send( writeData, sizeof( writeData ), 0 ) == 0 ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
420 delay(1); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
421 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
422 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
423 // Setup |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
424 inline void LED_setup() |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
425 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
426 // Register Scan CLI dictionary |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
427 CLI_registerDictionary( ledCLIDict, ledCLIDictName ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
428 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
429 // Initialize I2C |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
430 I2C_setup(); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
431 |
331 | 432 /* TODO Make work |
315
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
433 // Zero out Frame Registers |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
434 // This needs to be done before disabling the hardware shutdown (or the leds will do undefined things) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
435 LED_zeroPages( 0x0B, 1, 0x00, 0x0C ); // Control Registers |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
436 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
437 // Disable Hardware shutdown of ISSI chip (pull high) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
438 GPIOD_PDDR |= (1<<1); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
439 PORTD_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
440 GPIOD_PSOR |= (1<<1); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
441 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
442 // Clear LED Pages |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
443 LED_zeroPages( 0x00, 8, 0x00, 0xB4 ); // LED Registers |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
444 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
445 // Enable LEDs based upon mask |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
446 LED_sendPage( (uint8_t*)LED_ledEnableMask, sizeof( LED_ledEnableMask ), 0 ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
447 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
448 // Disable Software shutdown of ISSI chip |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
449 LED_writeReg( 0x0A, 0x01, 0x0B ); |
331 | 450 */ |
315
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
451 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
452 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
453 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
454 inline uint8_t I2C_BufferCopy( uint8_t *data, uint8_t sendLen, uint8_t recvLen, I2C_Buffer *buffer ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
455 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
456 uint8_t reTurn = 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
457 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
458 // If sendLen is greater than buffer fail right away |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
459 if ( sendLen > buffer->size ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
460 return 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
461 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
462 // Calculate new tail to determine if buffer has enough space |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
463 // The first element specifies the expected number of bytes from the slave (+1) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
464 // The second element in the new buffer is the length of the buffer sequence (+1) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
465 uint16_t newTail = buffer->tail + sendLen + 2; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
466 if ( newTail >= buffer->size ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
467 newTail -= buffer->size; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
468 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
469 if ( I2C_BufferLen( buffer ) < sendLen + 2 ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
470 return 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
471 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
472 /* |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
473 print("|"); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
474 printHex( sendLen + 2 ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
475 print("|"); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
476 printHex( *tail ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
477 print("@"); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
478 printHex( newTail ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
479 print("@"); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
480 */ |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
481 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
482 // If buffer is clean, return 1, otherwise 2 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
483 reTurn = buffer->head == buffer->tail ? 1 : 2; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
484 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
485 // Add to buffer, already know there is enough room (simplifies adding logic) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
486 uint8_t bufferHeaderPos = 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
487 for ( uint16_t c = 0; c < sendLen; c++ ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
488 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
489 // Add data to buffer |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
490 switch ( bufferHeaderPos ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
491 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
492 case 0: |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
493 buffer->buffer[ buffer->tail ] = recvLen; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
494 bufferHeaderPos++; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
495 c--; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
496 break; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
497 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
498 case 1: |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
499 buffer->buffer[ buffer->tail ] = sendLen; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
500 bufferHeaderPos++; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
501 c--; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
502 break; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
503 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
504 default: |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
505 buffer->buffer[ buffer->tail ] = data[ c ]; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
506 break; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
507 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
508 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
509 // Check for wrap-around case |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
510 if ( buffer->tail + 1 >= buffer->size ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
511 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
512 buffer->tail = 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
513 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
514 // Normal case |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
515 else |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
516 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
517 buffer->tail++; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
518 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
519 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
520 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
521 return reTurn; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
522 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
523 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
524 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
525 inline uint16_t I2C_BufferLen( I2C_Buffer *buffer ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
526 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
527 // Tail >= Head |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
528 if ( buffer->tail >= buffer->head ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
529 return buffer->head + buffer->size - buffer->tail; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
530 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
531 // Head > Tail |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
532 return buffer->head - buffer->tail; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
533 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
534 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
535 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
536 void I2C_BufferPush( uint8_t byte, I2C_Buffer *buffer ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
537 { |
331 | 538 dbug_msg("DATA: "); |
539 printHex( byte ); | |
540 | |
315
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
541 // Make sure buffer isn't full |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
542 if ( buffer->tail + 1 == buffer->head || ( buffer->head > buffer->tail && buffer->tail + 1 - buffer->size == buffer->head ) ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
543 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
544 warn_msg("I2C_BufferPush failed, buffer full: "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
545 printHex( byte ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
546 print( NL ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
547 return; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
548 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
549 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
550 // Check for wrap-around case |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
551 if ( buffer->tail + 1 >= buffer->size ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
552 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
553 buffer->tail = 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
554 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
555 // Normal case |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
556 else |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
557 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
558 buffer->tail++; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
559 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
560 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
561 // Add byte to buffer |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
562 buffer->buffer[ buffer->tail ] = byte; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
563 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
564 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
565 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
566 uint8_t I2C_TxBufferPop() |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
567 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
568 // Return 0xFF if no buffer left (do not rely on this) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
569 if ( I2C_BufferLen( (I2C_Buffer*)&I2C_TxBuffer ) >= I2C_TxBuffer.size ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
570 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
571 erro_msg("No buffer to pop an entry from... "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
572 printHex( I2C_TxBuffer.head ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
573 print(" "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
574 printHex( I2C_TxBuffer.tail ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
575 print(" "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
576 printHex( I2C_TxBuffer.sequencePos ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
577 print(NL); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
578 return 0xFF; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
579 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
580 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
581 // If there is currently no sequence being sent, the first entry in the RingBuffer is the length |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
582 if ( I2C_TxBuffer.sequencePos == 0 ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
583 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
584 I2C_TxBuffer.sequencePos = 0xFF; // So this doesn't become an infinite loop |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
585 I2C_RxBuffer.sequencePos = I2C_TxBufferPop(); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
586 I2C_TxBuffer.sequencePos = I2C_TxBufferPop(); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
587 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
588 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
589 uint8_t data = I2C_TxBuffer.buffer[ I2C_TxBuffer.head ]; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
590 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
591 // Prune head |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
592 I2C_TxBuffer.head++; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
593 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
594 // Wrap-around case |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
595 if ( I2C_TxBuffer.head >= I2C_TxBuffer.size ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
596 I2C_TxBuffer.head = 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
597 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
598 // Decrement buffer sequence (until next stop will be sent) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
599 I2C_TxBuffer.sequencePos--; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
600 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
601 /* |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
602 dbug_msg("Popping: "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
603 printHex( data ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
604 print(" "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
605 printHex( I2C_TxBuffer.head ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
606 print(" "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
607 printHex( I2C_TxBuffer.tail ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
608 print(" "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
609 printHex( I2C_TxBuffer.sequencePos ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
610 print(NL); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
611 */ |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
612 return data; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
613 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
614 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
615 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
616 uint8_t I2C_Send( uint8_t *data, uint8_t sendLen, uint8_t recvLen ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
617 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
618 // Check head and tail pointers |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
619 // If full, return 0 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
620 // If empty, start up I2C Master Tx |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
621 // If buffer is non-empty and non-full, just append to the buffer |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
622 switch ( I2C_BufferCopy( data, sendLen, recvLen, (I2C_Buffer*)&I2C_TxBuffer ) ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
623 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
624 // Not enough buffer space... |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
625 case 0: |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
626 /* |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
627 erro_msg("Not enough Tx buffer space... "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
628 printHex( I2C_TxBuffer.head ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
629 print(":"); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
630 printHex( I2C_TxBuffer.tail ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
631 print("+"); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
632 printHex( sendLen ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
633 print("|"); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
634 printHex( I2C_TxBuffer.size ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
635 print( NL ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
636 */ |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
637 return 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
638 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
639 // Empty buffer, initialize I2C |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
640 case 1: |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
641 // Clear status flags |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
642 I2C0_S = I2C_S_IICIF | I2C_S_ARBL; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
643 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
644 // Check to see if we already have control of the bus |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
645 if ( I2C0_C1 & I2C_C1_MST ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
646 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
647 // Already the master (ah yeah), send a repeated start |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
648 I2C0_C1 = I2C_C1_IICEN | I2C_C1_MST | I2C_C1_RSTA | I2C_C1_TX; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
649 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
650 // Otherwise, seize control |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
651 else |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
652 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
653 // Wait...till the master dies |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
654 while ( I2C0_S & I2C_S_BUSY ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
655 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
656 // Now we're the master (ah yisss), get ready to send stuffs |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
657 I2C0_C1 = I2C_C1_IICEN | I2C_C1_MST | I2C_C1_TX; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
658 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
659 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
660 // Enable I2C interrupt |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
661 I2C0_C1 = I2C_C1_IICEN | I2C_C1_IICIE | I2C_C1_MST | I2C_C1_TX; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
662 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
663 // Depending on what type of transfer, the first byte is configured for R or W |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
664 I2C0_D = I2C_TxBufferPop(); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
665 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
666 return 1; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
667 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
668 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
669 // Dirty buffer, I2C already initialized |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
670 return 2; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
671 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
672 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
673 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
674 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
675 // LED State processing loop |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
676 inline uint8_t LED_scan() |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
677 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
678 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
679 // I2C Busy |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
680 // S & I2C_S_BUSY |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
681 //I2C_S_BUSY |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
682 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
683 return 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
684 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
685 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
686 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
687 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
688 // ----- CLI Command Functions ----- |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
689 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
690 void cliFunc_i2cSend( char* args ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
691 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
692 char* curArgs; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
693 char* arg1Ptr; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
694 char* arg2Ptr = args; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
695 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
696 // Buffer used after interpretting the args, will be sent to I2C functions |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
697 // NOTE: Limited to 8 bytes currently (can be increased if necessary |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
698 #define i2cSend_BuffLenMax 8 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
699 uint8_t buffer[ i2cSend_BuffLenMax ]; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
700 uint8_t bufferLen = 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
701 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
702 // No \r\n by default after the command is entered |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
703 print( NL ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
704 info_msg("Sending: "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
705 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
706 // Parse args until a \0 is found |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
707 while ( bufferLen < i2cSend_BuffLenMax ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
708 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
709 curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
710 CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
711 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
712 // Stop processing args if no more are found |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
713 if ( *arg1Ptr == '\0' ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
714 break; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
715 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
716 // If | is found, end sequence and start new one |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
717 if ( *arg1Ptr == '|' ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
718 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
719 print("| "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
720 I2C_Send( buffer, bufferLen, 0 ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
721 bufferLen = 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
722 continue; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
723 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
724 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
725 // Interpret the argument |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
726 buffer[ bufferLen++ ] = (uint8_t)numToInt( arg1Ptr ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
727 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
728 // Print out the arg |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
729 dPrint( arg1Ptr ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
730 print(" "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
731 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
732 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
733 print( NL ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
734 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
735 I2C_Send( buffer, bufferLen, 0 ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
736 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
737 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
738 void cliFunc_i2cRecv( char* args ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
739 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
740 char* curArgs; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
741 char* arg1Ptr; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
742 char* arg2Ptr = args; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
743 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
744 // Buffer used after interpretting the args, will be sent to I2C functions |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
745 // NOTE: Limited to 8 bytes currently (can be increased if necessary |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
746 #define i2cSend_BuffLenMax 8 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
747 uint8_t buffer[ i2cSend_BuffLenMax ]; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
748 uint8_t bufferLen = 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
749 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
750 // No \r\n by default after the command is entered |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
751 print( NL ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
752 info_msg("Sending: "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
753 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
754 // Parse args until a \0 is found |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
755 while ( bufferLen < i2cSend_BuffLenMax ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
756 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
757 curArgs = arg2Ptr; // Use the previous 2nd arg pointer to separate the next arg from the list |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
758 CLI_argumentIsolation( curArgs, &arg1Ptr, &arg2Ptr ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
759 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
760 // Stop processing args if no more are found |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
761 if ( *arg1Ptr == '\0' ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
762 break; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
763 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
764 // If | is found, end sequence and start new one |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
765 if ( *arg1Ptr == '|' ) |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
766 { |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
767 print("| "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
768 I2C_Send( buffer, bufferLen, 0 ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
769 bufferLen = 0; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
770 continue; |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
771 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
772 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
773 // Interpret the argument |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
774 buffer[ bufferLen++ ] = (uint8_t)numToInt( arg1Ptr ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
775 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
776 // Print out the arg |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
777 dPrint( arg1Ptr ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
778 print(" "); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
779 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
780 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
781 print( NL ); |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
782 |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
783 I2C_Send( buffer, bufferLen, 1 ); // Only 1 byte is ever read at a time with the ISSI chip |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
784 } |
bcdc04cb8e2e
Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
parents:
diff
changeset
|
785 |
331 | 786 void cliFunc_ledPage( char* args ) |
787 { | |
788 // Parse number from argument | |
789 // NOTE: Only first argument is used | |
790 char* arg1Ptr; | |
791 char* arg2Ptr; | |
792 CLI_argumentIsolation( args, &arg1Ptr, &arg2Ptr ); | |
793 | |
794 // Default to 0 if no argument is given | |
795 uint8_t page = 0; | |
796 | |
797 if ( arg1Ptr[0] != '\0' ) | |
798 { | |
799 page = (uint8_t)numToInt( arg1Ptr ); | |
800 } | |
801 | |
802 // No \r\n by default after the command is entered | |
803 print( NL ); | |
804 | |
805 LED_readPage( 0xB4, page ); | |
806 } | |
807 | |
808 void cliFunc_ledStart( char* args ) | |
809 { | |
810 print( NL ); // No \r\n by default after the command is entered | |
811 LED_zeroPages( 0x0B, 1, 0x00, 0x0C ); // Control Registers | |
812 //LED_zeroPages( 0x00, 8, 0x00, 0xB4 ); // LED Registers | |
813 LED_writeReg( 0x0A, 0x01, 0x0B ); | |
814 LED_sendPage( (uint8_t*)LED_ledEnableMask, sizeof( LED_ledEnableMask ), 0 ); | |
815 | |
816 } | |
817 | |
315
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Initial LED support for ISSI IS31FL3731C
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818 void cliFunc_ledTest( char* args ) |
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819 { |
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820 print( NL ); // No \r\n by default after the command is entered |
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821 LED_sendPage( (uint8_t*)examplePage, sizeof( examplePage ), 0 ); |
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Initial LED support for ISSI IS31FL3731C
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822 } |
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Initial LED support for ISSI IS31FL3731C
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823 |
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Initial LED support for ISSI IS31FL3731C
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824 void cliFunc_ledZero( char* args ) |
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Initial LED support for ISSI IS31FL3731C
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825 { |
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Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
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826 print( NL ); // No \r\n by default after the command is entered |
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Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
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827 LED_zeroPages( 0x00, 8, 0x24, 0xB4 ); // Only PWMs |
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Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
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828 } |
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Initial LED support for ISSI IS31FL3731C
Jacob Alexander <haata@kiibohd.com>
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829 |