1 | /*
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2 | * TOPPERS ECHONET Lite Communication Middleware
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3 | *
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4 | * Copyright (C) 2014-2017 Cores Co., Ltd. Japan
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5 | *
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6 | * ä¸è¨èä½æ¨©è
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7 | ã¯ï¼ä»¥ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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8 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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9 | * å¤ã»åé
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10 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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11 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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12 | * 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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13 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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14 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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15 | * ç¨ã§ããå½¢ã§åé
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16 | å¸ããå ´åã«ã¯ï¼åé
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17 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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18 | * è
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19 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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20 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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21 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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22 | * ç¨ã§ããªãå½¢ã§åé
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23 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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24 | * ã¨ï¼
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25 | * (a) åé
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26 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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27 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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28 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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29 | * (b) åé
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30 | å¸ã®å½¢æ
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31 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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32 | * å ±åãããã¨ï¼
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33 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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34 | * 害ãããï¼ä¸è¨èä½æ¨©è
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35 | ããã³TOPPERSããã¸ã§ã¯ããå
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36 | 責ãããã¨ï¼
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37 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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38 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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39 | ããã³TOPPERSããã¸ã§ã¯ãã
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40 | * å
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41 | 責ãããã¨ï¼
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42 | *
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43 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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44 | ã
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45 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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46 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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47 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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48 | * ã®è²¬ä»»ãè² ããªãï¼
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49 | *
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50 | */
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51 |
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52 | /*
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53 | * ãµã³ãã«ããã°ã©ã (1)ã®æ¬ä½
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54 | */
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55 |
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56 | #include <kernel.h>
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57 | #include <stdlib.h>
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58 | #include <errno.h>
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59 | #include <sys/types.h>
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60 | #include <string.h>
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61 | #include "t_stdlib.h"
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62 | #include "syssvc/syslog.h"
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63 | #include "kernel_cfg.h"
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64 | #include "diskio.h"
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65 | #include "sdfs.h"
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66 | #include "ff.h"
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67 |
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68 | gpio_t ins;
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69 | sdfs_t sdfs;
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70 | #define WP() false
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71 |
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72 | extern FATFS RomDisk;
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73 | extern unsigned char RamDisk[SZ_RAMDISK * 1024];
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74 |
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75 | bool_t romdisk_init();
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76 |
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77 | int mruby_arduino_init()
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78 | {
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79 | int result = -1;
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80 |
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81 | /* SD_CD */
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82 | gpio_init_in(&ins, P7_8);
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83 |
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84 | /* SDã«ã¼ããåæå */
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85 | sdfs_init(&sdfs, P8_5, P8_6, P8_3, P8_4, "sd");
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86 |
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87 | SD_begin();
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88 |
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89 | FIL fd;
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90 | UINT rlen = 0;
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91 | memset(&fd, 0, sizeof(fd));
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92 | if (f_open(&fd, "1:/httpd-fs.bin", FA_OPEN_EXISTING | FA_READ) == FR_OK) {
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93 | f_read(&fd, RamDisk, SZ_RAMDISK * 1024, &rlen);
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94 | f_close(&fd);
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95 | if (romdisk_init())
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96 | result = 0;
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97 | }
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98 |
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99 | if (result == 0) {
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100 | syslog(LOG_NOTICE, "ramdisk ok!");
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101 | }
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102 | else {
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103 | syslog(LOG_NOTICE, "ramdisk ng!");
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104 | }
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105 |
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106 | arduino_init();
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107 |
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108 | return result;
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109 | }
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110 |
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111 | bool_t romdisk_init()
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112 | {
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113 | DSTATUS dst;
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114 | FRESULT res;
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115 |
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116 | if (RomDisk.fs_type != 0)
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117 | return true;
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118 |
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119 | if ((dst = ramdisk_initialize()) != RES_OK) {
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120 | return false;
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121 | }
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122 |
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123 | if ((res = f_mount(&RomDisk, "0:", 1)) != FR_OK) {
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124 | return false;
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125 | }
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126 |
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127 | return true;
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128 | }
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129 |
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130 | DSTATUS disk_initialize(BYTE pdrv)
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131 | {
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132 | switch (pdrv) {
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133 | case 0:
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134 | return ramdisk_initialize();
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135 | case 1:
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136 | return sdfs_initialize(&sdfs);
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137 | }
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138 | return STA_NOINIT;
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139 | }
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140 |
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141 | DSTATUS disk_status(BYTE pdrv)
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142 | {
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143 | switch (pdrv) {
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144 | case 0:
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145 | return ramdisk_get_status();
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146 | case 1:
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147 | return sdfs_status(&sdfs);
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148 | }
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149 | return STA_NOINIT;
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150 | }
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151 |
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152 | DRESULT disk_read(BYTE pdrv, BYTE *buff, DWORD sector, UINT count)
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153 | {
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154 | switch (pdrv) {
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155 | case 0:
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156 | return ramdisk_read(buff, sector, count);
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157 | case 1:
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158 | return sdfs_read(&sdfs, buff, sector, count);
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159 | }
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160 | return RES_PARERR;
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161 | }
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162 |
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163 | DRESULT disk_write(BYTE pdrv, const BYTE *buff, DWORD sector, UINT count)
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164 | {
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165 | switch (pdrv) {
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166 | case 0:
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167 | return ramdisk_write(buff, sector, count);
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168 | case 1:
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169 | return sdfs_write(&sdfs, buff, sector, count);
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170 | }
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171 | return RES_PARERR;
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172 | }
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173 |
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174 | DRESULT disk_ioctl(BYTE pdrv, BYTE cmd, void *buff)
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175 | {
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176 | switch (pdrv) {
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177 | case 0:
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178 | return RES_PARERR; /* ramdisk_ioctl(cmd, buff); */
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179 | case 1:
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180 | switch(cmd) {
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181 | case CTRL_SYNC:
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182 | return sdfs_sync(&sdfs);
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183 | case GET_SECTOR_COUNT:
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184 | return sdfs_sectors(&sdfs);
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185 | case GET_BLOCK_SIZE:
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186 | *((DWORD*)buff) = 1; // default when not known
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187 | return RES_OK;
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188 | }
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189 | }
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190 | return RES_PARERR;
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191 | }
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192 |
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193 | void sdfs_cychdr(intptr_t exinf)
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194 | {
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195 | BYTE s;
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196 |
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197 | s = sdfs._is_initialized;
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198 | if (WP()) /* Write protected */
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199 | s |= STA_PROTECT;
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200 | else /* Write enabled */
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201 | s &= ~STA_PROTECT;
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202 | if (gpio_read(&ins)) /* Card is in socket */
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203 | s &= ~STA_NODISK;
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204 | else /* Socket empty */
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205 | s |= (STA_NODISK | STA_NOINIT);
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206 | sdfs._is_initialized = s;
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207 | }
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208 |
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209 | static int lock[TNUM_TSKID];
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210 | static int stack_pos[TNUM_TSKID];
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211 |
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212 | void __malloc_lock(struct _reent *a)
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213 | {
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214 | ID tskid;
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215 | ER ret;
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216 | int count, sp;
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217 |
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218 | ret = get_tid(&tskid);
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219 | if (ret != E_OK) {
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220 | /*syslog(LOG_DEBUG, "get_tid %s", itron_strerror(ret));*/
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221 | Asm("bkpt #0");
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222 | }
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223 |
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224 | Asm("mov %0, sp" : "=r"(sp) :);
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225 | if ((stack_pos[tskid - 1] == 0) || (stack_pos[tskid - 1] < sp))
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226 | stack_pos[tskid - 1] = sp;
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227 |
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228 | count = ++lock[tskid - 1];
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229 | if (count != 1)
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230 | return;
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231 |
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232 | ret = wai_sem(SEM_MALLOC);
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233 | if (ret != E_OK) {
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234 | /*syslog(LOG_DEBUG, "wai_sem %s", itron_strerror(ret));*/
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235 | Asm("bkpt #0");
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236 | }
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237 | }
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238 |
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239 | void __malloc_unlock(struct _reent *a)
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240 | {
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241 | ID tskid;
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242 | ER ret;
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243 | int count;
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244 |
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245 | ret = get_tid(&tskid);
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246 | if (ret != E_OK) {
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247 | /*syslog(LOG_DEBUG, "get_tid %s", itron_strerror(ret));*/
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248 | Asm("bkpt #0");
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249 | }
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250 |
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251 | count = --lock[tskid - 1];
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252 | if(count != 0)
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253 | return;
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254 |
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255 | ret = sig_sem(SEM_MALLOC);
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256 | if (ret != E_OK) {
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257 | /*syslog(LOG_DEBUG, "sig_sem %s", itron_strerror(ret));*/
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258 | Asm("bkpt #0");
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259 | }
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260 | }
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261 |
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262 | // Provide implementation of _sbrk (low-level dynamic memory allocation
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263 | // routine) for GCC_ARM which compares new heap pointer with MSP instead of
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264 | // SP. This make it compatible with RTX RTOS thread stacks.
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265 |
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266 | // Linker defined symbol used by _sbrk to indicate where heap should start.
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267 | int __end__;
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268 | uint32_t __HeapLimit;
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269 |
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270 | // Turn off the errno macro and use actual global variable instead.
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271 | #undef errno
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272 | int errno;
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273 |
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274 | static unsigned char* heap = (unsigned char*)&__end__;
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275 |
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276 | // Dynamic memory allocation related syscall.
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277 | caddr_t _sbrk(int incr) {
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278 | unsigned char* prev_heap = heap;
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279 | unsigned char* new_heap = heap + incr;
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280 |
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281 | if (new_heap >= (unsigned char*)&__HeapLimit) { /* __HeapLimit is end of heap section */
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282 | errno = ENOMEM;
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283 | return (caddr_t)-1;
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284 | }
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285 |
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286 | heap = new_heap;
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287 | return (caddr_t) prev_heap;
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288 | }
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289 |
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290 | void reset_heap()
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291 | {
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292 | // .data
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293 | extern uint8_t __malloc_av_[0x408];
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294 | extern uint8_t __malloc_sbrk_base[0x4];
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295 | extern uint8_t __malloc_trim_threshold[0x4];
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296 | // .bss
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297 | extern uint8_t __malloc_top_pad[0x4];
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298 | extern uint8_t __malloc_current_mallinfo[0x28];
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299 | extern uint8_t __malloc_max_sbrked_mem[0x4];
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300 | extern uint8_t __malloc_max_total_mem[0x4];
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301 | //
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302 | extern void *__etext;
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303 | extern void *__data_start__;
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304 |
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305 | int offset = (int)&__etext - (int)&__data_start__;
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306 |
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307 | __malloc_lock(_REENT);
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308 |
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309 | memcpy(__malloc_av_, &__malloc_av_[offset], sizeof(__malloc_av_));
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310 | memcpy(__malloc_sbrk_base, &__malloc_sbrk_base[offset], sizeof(__malloc_sbrk_base));
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311 | memcpy(__malloc_trim_threshold, &__malloc_trim_threshold[offset], sizeof(__malloc_trim_threshold));
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312 |
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313 | memset(__malloc_top_pad, 0, sizeof(__malloc_top_pad));
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314 | memset(__malloc_current_mallinfo, 0, sizeof(__malloc_current_mallinfo));
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315 | memset(__malloc_max_sbrked_mem, 0, sizeof(__malloc_max_sbrked_mem));
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316 | memset(__malloc_max_total_mem, 0, sizeof(__malloc_max_total_mem));
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317 |
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318 | heap = (unsigned char*)&__end__;
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319 |
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320 | __malloc_unlock(_REENT);
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321 | }
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322 |
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323 | void exit(int return_code) {
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324 | Asm("bkpt #0");
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325 | reset_heap();
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326 | ext_tsk();
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327 | for(;;);
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328 | }
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