Mercurial > louis > kiibohd-controller
annotate main.c @ 26:c06a5ebb4fca
Tandy 1000 Converter, basicly works, except for packet mismatches
- Caused by too much processing in the converter...
- Easy to fix if I remove the macro engine...
author | Jacob Alexander <triplehaata@gmail.com> |
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date | Sat, 01 Oct 2011 00:54:18 -0700 |
parents | c2ef3daf39e1 |
children | 8b8cad3db8db |
rev | line source |
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0 | 1 /* Copyright (C) 2011 by Jacob Alexander |
2 * | |
3 * Permission is hereby granted, free of charge, to any person obtaining a copy | |
4 * of this software and associated documentation files (the "Software"), to deal | |
5 * in the Software without restriction, including without limitation the rights | |
6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
7 * copies of the Software, and to permit persons to whom the Software is | |
8 * furnished to do so, subject to the following conditions: | |
9 * | |
10 * The above copyright notice and this permission notice shall be included in | |
11 * all copies or substantial portions of the Software. | |
12 * | |
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
19 * THE SOFTWARE. | |
20 */ | |
21 | |
24
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22 // ----- Includes ----- |
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23 |
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24 // AVR Includes |
0 | 25 #include <avr/io.h> |
26 #include <avr/interrupt.h> | |
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27 |
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28 // Project Includes |
25 | 29 #include <macro.h> |
30 #include <scan_loop.h> | |
31 #include <usb_com.h> | |
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32 |
25 | 33 #include <led.h> |
34 #include <print.h> | |
0 | 35 |
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36 |
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37 |
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38 // ----- Defines ----- |
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39 |
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40 // Verified Keypress Defines |
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41 #define USB_TRANSFER_DIVIDER 10 // 1024 == 1 Send of keypresses per second, 1 == 1 Send of keypresses per ~1 millisecond |
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42 |
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43 |
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44 |
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45 // ----- Macros ----- |
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46 #define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n)) |
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47 |
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48 |
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49 |
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50 // ----- Variables ----- |
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51 |
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52 // Timer Interrupt for flagging a send of the sampled key detection data to the USB host |
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53 uint16_t sendKeypressCounter = 0; |
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54 |
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55 // Flag generated by the timer interrupt |
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56 volatile uint8_t sendKeypresses = 0; |
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57 |
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58 |
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59 |
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60 // ----- Functions ----- |
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61 |
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62 // Initial Pin Setup, make sure they are sane |
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63 inline void pinSetup(void) |
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64 { |
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65 // For each pin, 0=input, 1=output |
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66 DDRA = 0x00; |
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67 DDRB = 0x00; |
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68 DDRC = 0x00; |
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69 DDRD = 0x00; |
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70 DDRE = 0x00; |
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71 DDRF = 0x00; |
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72 |
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73 |
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74 // Setting pins to either high or pull-up resistor |
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75 PORTA = 0x00; |
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76 PORTB = 0x00; |
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77 PORTC = 0x00; |
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78 PORTD = 0x00; |
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79 PORTE = 0x00; |
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80 PORTF = 0x00; |
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81 } |
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82 |
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83 int main(void) |
0 | 84 { |
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85 // Setup with 16 MHz clock |
0 | 86 CPU_PRESCALE( 0 ); |
87 | |
88 // Configuring Pins | |
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89 pinSetup(); |
25 | 90 init_errorLED(); |
0 | 91 |
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92 // Setup USB Module |
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93 usb_setup(); |
0 | 94 |
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95 // Setup ISR Timer for flagging a kepress send to USB |
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96 // Set to 256 * 1024 (8 bit timer with Clock/1024 prescalar) timer |
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97 TCCR0A = 0x00; |
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98 TCCR0B = 0x03; |
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99 TIMSK0 = (1 << TOIE0); |
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100 |
0 | 101 // Main Detection Loop |
25 | 102 uint8_t ledTimer = 15; // Enable LED for a short time |
103 while ( 1 ) | |
104 { | |
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105 // Setup the scanning module |
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106 scan_setup(); |
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107 |
25 | 108 while ( 1 ) |
109 { | |
110 // Acquire Key Indices | |
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111 // Loop continuously until scan_loop returns 0 |
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112 cli(); |
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113 while ( scan_loop() ); |
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114 sei(); |
25 | 115 |
116 // Send keypresses over USB if the ISR has signalled that it's time | |
117 if ( !sendKeypresses ) | |
118 continue; | |
119 | |
120 // Run Macros over Key Indices and convert to USB Keys | |
121 process_macros(); | |
122 | |
123 // Send USB Data | |
124 usb_send(); | |
125 | |
126 // Clear sendKeypresses Flag | |
127 sendKeypresses = 0; | |
128 | |
129 // Indicate Error, if valid | |
130 errorLED( ledTimer ); | |
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131 |
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132 if ( ledTimer > 0 ) |
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133 ledTimer--; |
25 | 134 } |
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135 |
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136 // Loop should never get here (indicate error) |
25 | 137 ledTimer = 255; |
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138 |
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139 // HID Debug Error message |
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140 erro_print("Detection loop error, this is very bad...bug report!"); |
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141 } |
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142 } |
0 | 143 |
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144 ISR( TIMER0_OVF_vect ) |
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145 { |
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146 sendKeypressCounter++; |
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147 if ( sendKeypressCounter > USB_TRANSFER_DIVIDER ) { |
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148 sendKeypressCounter = 0; |
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149 sendKeypresses = 1; |
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150 } |
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151 } |
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152 |