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annotate Bootloader/main.c @ 331:9e31d92caf12

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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>
date Tue, 14 Apr 2015 00:40:48 -0700
parents f4d4cad283c6
children 9ac304aa1ab5
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1 /* Copyright (c) 2011,2012 Simon Schubert <2@0x2c.org>.
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2 * Modifications by Jacob Alexander 2014-2015 <haata@kiibohd.com>
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3 *
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4 * This program is free software: you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation, either version 3 of the License, or
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7 * (at your option) any later version.
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8 *
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9 * This program is distributed in the hope that it will be useful,
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 * GNU General Public License for more details.
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13 *
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14 * You should have received a copy of the GNU General Public License
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15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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16 */
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17
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18 // ----- Includes -----
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19
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20 // Local Includes
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21 #include "mchck.h"
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22 #include "dfu.desc.h"
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23
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24
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26 // ----- Variables -----
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27
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28 /**
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29 * Unfortunately we can't DMA directly to FlexRAM, so we'll have to stage here.
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30 */
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31 static char staging[ FLASH_SECTOR_SIZE ];
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32
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35 // ----- Functions -----
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36
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37 static enum dfu_status setup_write( size_t off, size_t len, void **buf )
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38 {
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39 GPIOA_PCOR |= (1<<5);
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40 static int last = 0;
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41
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42 if ( len > sizeof(staging) )
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43 return (DFU_STATUS_errADDRESS);
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44
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45 // We only allow the last write to be less than one sector size.
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46 if ( off == 0 )
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47 last = 0;
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48 if ( last && len != 0 )
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49 return (DFU_STATUS_errADDRESS);
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50 if ( len != FLASH_SECTOR_SIZE )
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51 {
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52 last = 1;
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53 memset( staging, 0xff, sizeof(staging) );
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54 }
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55
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56 *buf = staging;
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57 return (DFU_STATUS_OK);
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58 }
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59
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60 static enum dfu_status finish_write( void *buf, size_t off, size_t len )
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61 {
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62 void *target;
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63 if ( len == 0 )
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64 return (DFU_STATUS_OK);
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65
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66 target = flash_get_staging_area(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE);
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67 if ( !target )
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68 return (DFU_STATUS_errADDRESS);
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69 memcpy( target, buf, len );
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71 // Depending on the error return a different status
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72 switch ( flash_program_sector(off + (uintptr_t)&_app_rom, FLASH_SECTOR_SIZE) )
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73 {
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74 /*
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75 case FTFL_FSTAT_RDCOLERR: // Flash Read Collision Error
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76 case FTFL_FSTAT_ACCERR: // Flash Access Error
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77 case FTFL_FSTAT_FPVIOL: // Flash Protection Violation Error
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78 return (DFU_STATUS_errADDRESS);
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79 case FTFL_FSTAT_MGSTAT0: // Memory Controller Command Completion Error
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80 return (DFU_STATUS_errADDRESS);
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81 */
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82
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83 case 0:
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84 default: // No error
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85 return (DFU_STATUS_OK);
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86 }
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87 }
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89
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90 static struct dfu_ctx dfu_ctx;
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91
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92 void init_usb_bootloader( int config )
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93 {
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94 dfu_init(setup_write, finish_write, &dfu_ctx);
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95 }
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96
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97 void main()
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98 {
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99 #if defined(_mk20dx128vlf5_) // Kiibohd-dfu / Infinity
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100 // XXX McHCK uses B16 instead of A19
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101
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102 // Enabling LED to indicate we are in the bootloader
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103 GPIOA_PDDR |= (1<<19);
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104 // Setup pin - A19 - See Lib/pin_map.mchck for more details on pins
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105 PORTA_PCR19 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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106 GPIOA_PSOR |= (1<<19);
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107
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108 #elif defined(_mk20dx256vlh7_) // Kiibohd-dfu
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109 // Enabling LED to indicate we are in the bootloader
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110 GPIOA_PDDR |= (1<<5);
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111 // Setup pin - A5 - See Lib/pin_map.mchck for more details on pins
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112 PORTA_PCR5 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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113 GPIOA_PSOR |= (1<<5);
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114 #else
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115 #error "Incompatible chip for bootloader"
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116 #endif
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117
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118 //for (uint8_t c = 0; c < 20; c++)
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119 /*
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120 while( 1 )
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121 {
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122 GPIOA_PTOR |= (1<<5);
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123 for (uint32_t d = 0; d < 7200000; d++ );
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124 }
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125 */
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126
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127 // XXX REMOVEME
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128 /*
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129 GPIOB_PDDR |= (1<<16);
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130 PORTB_PCR16 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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131 GPIOB_PSOR |= (1<<16);
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132 */
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133 // RST
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134 GPIOC_PDDR |= (1<<8);
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135 PORTC_PCR8 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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136 GPIOC_PSOR |= (1<<8);
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137 /*
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138 // CS1B
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139 GPIOC_PDDR |= (1<<4);
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140 PORTC_PCR4 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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141 GPIOC_PCOR |= (1<<4);
9e31d92caf12 Initial STLcd code.
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142 */
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143 // Backlight
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144 GPIOC_PDDR |= (1<<1);
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145 PORTC_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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146 GPIOC_PCOR |= (1<<1);
9e31d92caf12 Initial STLcd code.
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147 GPIOC_PDDR |= (1<<2);
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148 PORTC_PCR2 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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149 GPIOC_PCOR |= (1<<2);
9e31d92caf12 Initial STLcd code.
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150 GPIOC_PDDR |= (1<<3);
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151 PORTC_PCR3 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
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152 GPIOC_PCOR |= (1<<3);
9e31d92caf12 Initial STLcd code.
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parents: 330
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153
9e31d92caf12 Initial STLcd code.
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154
267
4739cb8920b8 More preparation for mk20dx256vlh7
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155
308
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156 flash_prepare_flashing();
193
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157
330
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158 uint32_t *position = &_app_rom;
308
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159 usb_init( &dfu_device );
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160 for (;;)
193
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161 {
308
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162 usb_poll();
330
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163
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164 /*
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165 for ( ; position < &_app_rom + 0x201; position++ )
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166 //for ( ; position < &_app_rom + 0x800; position++ )
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167 {
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168 if ( *position != 0xFFFFFFFF )
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169 {
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170 while( 1 )
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171 {
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172 GPIOA_PTOR |= (1<<5);
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173 for (uint32_t d = 0; d < 7200000; d++ );
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174 }
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175 }
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176 }
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177 */
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178
308
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179 }
193
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parents:
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180 }
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181