Team Fox / Mbed 2 deprecated CDMS_QM_03MAR2017_Flash_with_obsrs

working version

Dependencies:   mbed mbed-rtos SimpleDMA FreescaleIAP eeprom

Fork of CDMS_CODE_FM_28JAN2017 by samp Srinivasan

cdms_sd.h@357:f3d48d62e00e, 2022-04-03 (annotated)

Committer:
samp1234
Date:
Sun Apr 03 15:35:53 2022 +0000
Revision:
357:f3d48d62e00e
Parent:
356:197c93dc2012 
First commit test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samp1234 346:204497974293 1 //SPI spi(PTE1, PTE3, PTE2); // MOSI,MISO, CLOCK microcontroller(in order)
ee12b079 86:a26f5f22631d 2 //DigitalOut cs_sd(PTE22);
ee12b079 86:a26f5f22631d 3
ee12b079 86:a26f5f22631d 4 //Serial sd1(USBTX,USBRX);
ee12b079 86:a26f5f22631d 5
ee12b079 86:a26f5f22631d 6
chaithanyarss 261:1e54415b34d3 7 #define SD_COMMAND_TIMEOUT 325
ee12b079 86:a26f5f22631d 8
samp1234 346:204497974293 9 #define SD_DBG 0
ee12b079 86:a26f5f22631d 10
ee12b079 86:a26f5f22631d 11 #define R1_IDLE_STATE (1 << 0)
ee12b079 86:a26f5f22631d 12 #define R1_ERASE_RESET (1 << 1)
ee12b079 86:a26f5f22631d 13 #define R1_ILLEGAL_COMMAND (1 << 2)
ee12b079 86:a26f5f22631d 14 #define R1_COM_CRC_ERROR (1 << 3)
ee12b079 86:a26f5f22631d 15 #define R1_ERASE_SEQUENCE_ERROR (1 << 4)
ee12b079 86:a26f5f22631d 16 #define R1_ADDRESS_ERROR (1 << 5)
ee12b079 86:a26f5f22631d 17 #define R1_PARAMETER_ERROR (1 << 6)
ee12b079 86:a26f5f22631d 18
samp1234 346:204497974293 19
samp1234 346:204497974293 20
samp1234 346:204497974293 21 #define SD_MAX_CYCLES 10000
samp1234 346:204497974293 22
samp1234 354:eb6c863756a8 23 uint32_t SD_SCP_FIRST=10001;
samp1234 354:eb6c863756a8 24 uint32_t SD_SCP_LAST=20000;
samp1234 356:197c93dc2012 25 uint32_t SD_SFF_AT_FIRST=30001;
samp1234 356:197c93dc2012 26 uint32_t SD_SFF_AT_LAST = 40000;
samp1234 356:197c93dc2012 27 uint32_t SD_SFF_BT_FIRST =20001;
samp1234 356:197c93dc2012 28 uint32_t SD_SFF_BT_LAST=30000;
samp1234 354:eb6c863756a8 29 uint32_t SD_HK_ARCH_FIRST=40001;
samp1234 354:eb6c863756a8 30 uint32_t SD_HK_ARCH_LAST= 50000;
samp1234 354:eb6c863756a8 31 uint32_t LOG_FIRST =50001;
samp1234 354:eb6c863756a8 32 uint32_t LOG_LAST=60000;
samp1234 354:eb6c863756a8 33 uint32_t SD_MNG_SECT = 80000;
ee12b079 86:a26f5f22631d 34
ee12b079 194:ab528911780d 35 extern uint8_t SD_INIT_FLAGS;
ee12b079 86:a26f5f22631d 36
ee12b079 86:a26f5f22631d 37 int initialise_card();
ee12b079 86:a26f5f22631d 38 int initialise_card_v1();
ee12b079 86:a26f5f22631d 39 int initialise_card_v2();
ee12b079 86:a26f5f22631d 40 int disk_write(const uint8_t *, uint64_t);
ee12b079 86:a26f5f22631d 41 int disk_read(uint8_t *, uint64_t);
ee12b079 86:a26f5f22631d 42 int disk_erase(int,int);
ee12b079 209:63e9c8f8b5d2 43 int disk_read_statusbits(uint8_t *);
ee12b079 86:a26f5f22631d 44
chaithanyarss 326:e424f70b86c0 45 void FCTN_SD_MNGR();
ee12b079 194:ab528911780d 46 int INCREMENT_SD_LIB(uint8_t);
ee12b079 86:a26f5f22631d 47
ee12b079 86:a26f5f22631d 48
ee12b079 86:a26f5f22631d 49 int cmd(int, int);
ee12b079 86:a26f5f22631d 50 int cmd58();
ee12b079 86:a26f5f22631d 51 int cmdx(int, int);
ee12b079 86:a26f5f22631d 52 int cmd8();
ee12b079 86:a26f5f22631d 53 int read(uint8_t*, uint32_t );
ee12b079 86:a26f5f22631d 54 int write(const uint8_t*, uint32_t );
ee12b079 86:a26f5f22631d 55 static uint32_t ext_bits(unsigned char *, int , int );
ee12b079 92:bce22b38c440 56 int SD_WRITE(uint8_t*,uint32_t,uint8_t);
ee12b079 194:ab528911780d 57 int FCTN_CDMS_SD_INIT();
ee12b079 195:6a549c0e9287 58 uint8_t SD_READ(uint8_t*,uint32_t,uint8_t);
chaithanyarss 261:1e54415b34d3 59 #define SDCARD_FAIL 4
ee12b079 86:a26f5f22631d 60 #define SDCARD_V1 1
ee12b079 86:a26f5f22631d 61 #define SDCARD_V2 2
ee12b079 86:a26f5f22631d 62 #define SDCARD_V2HC 3
ee12b079 86:a26f5f22631d 63
ee12b079 86:a26f5f22631d 64 int cdv;
ee12b079 86:a26f5f22631d 65 uint64_t sd_sectors();
ee12b079 86:a26f5f22631d 66 uint64_t sectors;
ee12b079 86:a26f5f22631d 67
ee12b079 194:ab528911780d 68 int FCTN_CDMS_SD_INIT()
samp1234 346:204497974293 69 {
ee12b079 194:ab528911780d 70 int i = initialise_card();
chaithanyarss 261:1e54415b34d3 71 if( i == 4)
samp1234 346:204497974293 72 return 4;
ee12b079 194:ab528911780d 73 debug_if(SD_DBG, "init card = %d\n", i);
ee12b079 194:ab528911780d 74 sectors = sd_sectors();
ee12b079 194:ab528911780d 75
ee12b079 194:ab528911780d 76 // Set block length to 512 (CMD16)
ee12b079 194:ab528911780d 77 if (cmd(16, 512) != 0) {
ee12b079 194:ab528911780d 78 debug("\rSet 512-byte block timed out\r\n");
ee12b079 194:ab528911780d 79 return 1;
ee12b079 194:ab528911780d 80 } else {
samp1234 346:204497974293 81 //printf("\rDisk initialization successfull\r\n");
ee12b079 194:ab528911780d 82 }
chaithanyarss 261:1e54415b34d3 83 SD_STATUS = DEVICE_POWERED;
ee12b079 194:ab528911780d 84 spi.frequency(1000000); // Set to 1MHz for data transfer
ee12b079 194:ab528911780d 85 return 0;
ee12b079 86:a26f5f22631d 86 }
ee12b079 86:a26f5f22631d 87
ee12b079 209:63e9c8f8b5d2 88 void FCTN_SD_MNGR()
ee12b079 86:a26f5f22631d 89 {
ee12b079 92:bce22b38c440 90 uint32_t fsc;
samp1234 346:204497974293 91 uint32_t start_fsc;
ee12b079 92:bce22b38c440 92 uint8_t buffer[512];
chaithanyarss 261:1e54415b34d3 93 int b;
samp1234 346:204497974293 94 if(SD_STATUS == DEVICE_POWERED){
samp1234 346:204497974293 95 b=disk_read(buffer, SD_MNG_SECT);
samp1234 346:204497974293 96
samp1234 346:204497974293 97 fsc=(uint32_t)(buffer[0]<<24)+(uint32_t)(buffer[1]<<16)+(uint32_t)(buffer[2]<<8)+(uint32_t)buffer[3];
samp1234 346:204497974293 98 start_fsc=(uint32_t)(buffer[4]<<24)+(uint32_t)(buffer[5]<<16)+(uint32_t)(buffer[6]<<8)+(uint32_t)buffer[7];
samp1234 346:204497974293 99 FSC_CURRENT[1] = fsc;
samp1234 346:204497974293 100 FSC_OLD[1] = start_fsc;
samp1234 346:204497974293 101
samp1234 346:204497974293 102 fsc=(uint32_t)(buffer[8]<<24)+(uint32_t)(buffer[9]<<16)+(uint32_t)(buffer[10]<<8)+(uint32_t)buffer[11];
samp1234 346:204497974293 103 start_fsc=(uint32_t)(buffer[12]<<24)+(uint32_t)(buffer[13]<<16)+(uint32_t)(buffer[14]<<8)+(uint32_t)buffer[15];
samp1234 346:204497974293 104 FSC_CURRENT[2] = fsc;
samp1234 346:204497974293 105 FSC_OLD[2] = start_fsc;
ee12b079 195:6a549c0e9287 106
samp1234 346:204497974293 107 fsc=(uint32_t)(buffer[16]<<24)+(uint32_t)(buffer[17]<<16)+(uint32_t)(buffer[18]<<8)+(uint32_t)buffer[19];
samp1234 346:204497974293 108 start_fsc=(uint32_t)(buffer[20]<<24)+(uint32_t)(buffer[21]<<16)+(uint32_t)(buffer[22]<<8)+(uint32_t)buffer[23];
samp1234 346:204497974293 109 FSC_CURRENT[3] = fsc;
samp1234 346:204497974293 110 FSC_OLD[3] = start_fsc;
samp1234 346:204497974293 111
samp1234 346:204497974293 112 fsc=(uint32_t)(buffer[24]<<24)+(uint32_t)(buffer[25]<<16)+(uint32_t)(buffer[26]<<8)+(uint32_t)buffer[27];
samp1234 346:204497974293 113 start_fsc=(uint32_t)(buffer[28]<<24)+(uint32_t)(buffer[29]<<16)+(uint32_t)(buffer[30]<<8)+(uint32_t)buffer[31];
samp1234 346:204497974293 114 FSC_CURRENT[4] = fsc;
samp1234 346:204497974293 115 FSC_OLD[4] = start_fsc;
samp1234 346:204497974293 116
samp1234 346:204497974293 117 fsc=(uint32_t)(buffer[32]<<24)+(uint32_t)(buffer[33]<<16)+(uint32_t)(buffer[34]<<8)+(uint32_t)buffer[35];
samp1234 346:204497974293 118 start_fsc=(uint32_t)(buffer[36]<<24)+(uint32_t)(buffer[37]<<16)+(uint32_t)(buffer[38]<<8)+(uint32_t)buffer[39];
samp1234 346:204497974293 119 FSC_CURRENT[5] = fsc;
samp1234 346:204497974293 120 FSC_OLD[5] = start_fsc;
chaithanyarss 261:1e54415b34d3 121 }
ee12b079 194:ab528911780d 122 }
ee12b079 194:ab528911780d 123
ee12b079 194:ab528911780d 124 int INCREMENT_SD_LIB(uint8_t sid)
ee12b079 194:ab528911780d 125 {
ee12b079 194:ab528911780d 126 uint32_t fsc;
samp1234 346:204497974293 127 uint32_t start_fsc;
ee12b079 209:63e9c8f8b5d2 128 int i;
ee12b079 194:ab528911780d 129 uint8_t buffer[512];
samp1234 346:204497974293 130
spacelab 308:7c3872365d58 131 disk_read(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 132 SD_MNG_SECT += SD_LIB_WRITES/(int)0xFFFF;
samp1234 346:204497974293 133 if(SD_MNG_SECT != SD_LIB_BLK_CURRENT)
samp1234 346:204497974293 134 {
chaithanyarss 324:c0a5228cc666 135 SD_LIB_BLK_CURRENT = SD_MNG_SECT;
samp1234 357:f3d48d62e00e 136 //FCTN_CDMS_WR_FLASH(3,SD_LIB_BLK_CURRENT);
samp1234 357:f3d48d62e00e 137 WRITE_TO_EEPROM(3,SD_LIB_BLK_CURRENT);
chaithanyarss 324:c0a5228cc666 138 }
ee12b079 209:63e9c8f8b5d2 139 SD_LIB_WRITES = SD_LIB_WRITES%(int)0xFFFF;
spacelab 308:7c3872365d58 140 disk_write(buffer,SD_MNG_SECT);
samp1234 346:204497974293 141 // gPC.printf("in increment_SD_LIB = %d, %d,%d\n\r", FSC_CURRENT[1],FSC_CURRENT[2],FSC_CURRENT[3]);
samp1234 346:204497974293 142 // SD_MNG_SECT += SD_LIB_WRITES/(int)0xFFFF;
samp1234 346:204497974293 143 // SD_LIB_WRITES = SD_LIB_WRITES%(int)0xFFFF;
samp1234 346:204497974293 144
ee12b079 194:ab528911780d 145 disk_read(buffer,SD_MNG_SECT);
samp1234 346:204497974293 146 if(sid==0x01)
samp1234 346:204497974293 147 {
samp1234 346:204497974293 148 fsc=(uint32_t)(buffer[0]<<24)+(uint32_t)(buffer[1]<<16)+(uint32_t)(buffer[2]<<8)+(uint32_t)buffer[3];
samp1234 346:204497974293 149 start_fsc=(uint32_t)(buffer[4]<<24)+(uint32_t)(buffer[5]<<16)+(uint32_t)(buffer[6]<<8)+(uint32_t)buffer[7];
samp1234 346:204497974293 150 fsc++;
samp1234 346:204497974293 151 buffer[0]=(uint8_t) (fsc>>24 & 0xFF);
samp1234 346:204497974293 152 buffer[1]=(uint8_t) (fsc>>16 & 0xFF);
samp1234 346:204497974293 153 buffer[2]=(uint8_t) (fsc>>8 & 0xFF);
samp1234 346:204497974293 154 buffer[3]=(uint8_t) (fsc & 0xFF);
samp1234 346:204497974293 155 if(fsc > SD_SCP_LAST-SD_SCP_FIRST+1)
samp1234 346:204497974293 156 {
samp1234 346:204497974293 157 start_fsc = start_fsc+1;
samp1234 346:204497974293 158 buffer[4]=(uint8_t) (start_fsc>>24 & 0xFF);
samp1234 346:204497974293 159 buffer[5]=(uint8_t) (start_fsc>>16 & 0xFF);
samp1234 346:204497974293 160 buffer[6]=(uint8_t) (start_fsc>>8 & 0xFF);
samp1234 346:204497974293 161 buffer[7]=(uint8_t) (start_fsc & 0xFF);
samp1234 346:204497974293 162 }
samp1234 346:204497974293 163
samp1234 346:204497974293 164 i = disk_write(buffer,SD_MNG_SECT);
samp1234 346:204497974293 165 if(i == 0)
samp1234 346:204497974293 166 {
samp1234 346:204497974293 167 FSC_CURRENT[1] = fsc;
samp1234 346:204497974293 168 FSC_OLD[1] = start_fsc;
samp1234 346:204497974293 169 return i;
samp1234 346:204497974293 170 }
samp1234 346:204497974293 171 }
samp1234 346:204497974293 172 if(sid==0x02)
chaithanyarss 328:2242ebc71be8 173 {
samp1234 346:204497974293 174 fsc=(uint32_t)(buffer[8]<<24)+(uint32_t)(buffer[9]<<16)+(uint32_t)(buffer[10]<<8)+(uint32_t)buffer[11];
samp1234 346:204497974293 175 start_fsc=(uint32_t)(buffer[12]<<24)+(uint32_t)(buffer[13]<<16)+(uint32_t)(buffer[14]<<8)+(uint32_t)buffer[15];
samp1234 346:204497974293 176 fsc++;
samp1234 346:204497974293 177 buffer[8]=(uint8_t) (fsc>>24 & 0xFF);
samp1234 346:204497974293 178 buffer[9]=(uint8_t) (fsc>>16 & 0xFF);
samp1234 346:204497974293 179 buffer[10]=(uint8_t) (fsc>>8 & 0xFF);
samp1234 346:204497974293 180 buffer[11]=(uint8_t) (fsc & 0xFF);
samp1234 346:204497974293 181 if(fsc > SD_SFF_AT_LAST-SD_SFF_AT_FIRST+1)
samp1234 346:204497974293 182 {
samp1234 346:204497974293 183 start_fsc = start_fsc+1;
samp1234 346:204497974293 184 buffer[12]=(uint8_t) (start_fsc>>24 & 0xFF);
samp1234 346:204497974293 185 buffer[13]=(uint8_t) (start_fsc>>16 & 0xFF);
samp1234 346:204497974293 186 buffer[14]=(uint8_t) (start_fsc>>8 & 0xFF);
samp1234 346:204497974293 187 buffer[15]=(uint8_t) (start_fsc & 0xFF);
samp1234 346:204497974293 188 }
samp1234 346:204497974293 189 i = disk_write(buffer,SD_MNG_SECT);
samp1234 346:204497974293 190 if(i == 0)
samp1234 346:204497974293 191 {
samp1234 346:204497974293 192 FSC_CURRENT[2] = fsc;
samp1234 346:204497974293 193 FSC_OLD[2] = start_fsc;
samp1234 346:204497974293 194 return i;
samp1234 346:204497974293 195 }
samp1234 346:204497974293 196 }
samp1234 346:204497974293 197 if(sid==0x03)
samp1234 346:204497974293 198 {
samp1234 346:204497974293 199 fsc=(uint32_t)(buffer[16]<<24)+(uint32_t)(buffer[17]<<16)+(uint32_t)(buffer[18]<<8)+(uint32_t)buffer[19];
samp1234 346:204497974293 200 start_fsc=(uint32_t)(buffer[20]<<24)+(uint32_t)(buffer[21]<<16)+(uint32_t)(buffer[22]<<8)+(uint32_t)buffer[23];
ee12b079 203:424308159a56 201 fsc++;
samp1234 346:204497974293 202 buffer[16]=(uint8_t) (fsc>>24 & 0xFF);
samp1234 346:204497974293 203 buffer[17]=(uint8_t) (fsc>>16 & 0xFF);
samp1234 346:204497974293 204 buffer[18]=(uint8_t) (fsc>>8 & 0xFF);
samp1234 346:204497974293 205 buffer[19]=(uint8_t) (fsc & 0xFF);
samp1234 346:204497974293 206 if(fsc > SD_SFF_BT_LAST-SD_SFF_BT_FIRST+1)
samp1234 346:204497974293 207 {
samp1234 346:204497974293 208 start_fsc = start_fsc+1;
samp1234 346:204497974293 209 buffer[20]=(uint8_t) (start_fsc>>24 & 0xFF);
samp1234 346:204497974293 210 buffer[21]=(uint8_t) (start_fsc>>16 & 0xFF);
samp1234 346:204497974293 211 buffer[22]=(uint8_t) (start_fsc>>8 & 0xFF);
samp1234 346:204497974293 212 buffer[23]=(uint8_t) (start_fsc & 0xFF);
samp1234 346:204497974293 213 }
samp1234 346:204497974293 214 i = disk_write(buffer,SD_MNG_SECT);
samp1234 346:204497974293 215 if(i == 0)
samp1234 346:204497974293 216 {
samp1234 346:204497974293 217 FSC_CURRENT[3] = fsc;
samp1234 346:204497974293 218 FSC_OLD[3] = start_fsc;
samp1234 346:204497974293 219 return i;
ee12b079 194:ab528911780d 220 }
samp1234 346:204497974293 221 }
samp1234 346:204497974293 222 if(sid==0x04)
samp1234 346:204497974293 223 {
samp1234 346:204497974293 224 fsc=(uint32_t)(buffer[24]<<24)+(uint32_t)(buffer[25]<<16)+(uint32_t)(buffer[26]<<8)+(uint32_t)buffer[27];
samp1234 346:204497974293 225 start_fsc=(uint32_t)(buffer[28]<<24)+(uint32_t)(buffer[29]<<16)+(uint32_t)(buffer[30]<<8)+(uint32_t)buffer[31];
samp1234 346:204497974293 226 fsc++;
samp1234 346:204497974293 227 buffer[24]=(uint8_t) (fsc>>24 & 0xFF);
samp1234 346:204497974293 228 buffer[25]=(uint8_t) (fsc>>16 & 0xFF);
samp1234 346:204497974293 229 buffer[26]=(uint8_t) (fsc>>8 & 0xFF);
samp1234 346:204497974293 230 buffer[27]=(uint8_t) (fsc & 0xFF);
samp1234 346:204497974293 231 if(fsc > SD_HK_ARCH_LAST-SD_HK_ARCH_FIRST+1)
samp1234 346:204497974293 232 {
samp1234 346:204497974293 233 start_fsc = start_fsc+1;
samp1234 346:204497974293 234 buffer[28]=(uint8_t) (start_fsc>>24 & 0xFF);
samp1234 346:204497974293 235 buffer[29]=(uint8_t) (start_fsc>>16 & 0xFF);
samp1234 346:204497974293 236 buffer[30]=(uint8_t) (start_fsc>>8 & 0xFF);
samp1234 346:204497974293 237 buffer[31]=(uint8_t) (start_fsc & 0xFF);
samp1234 346:204497974293 238 }
ee12b079 203:424308159a56 239 i = disk_write(buffer,SD_MNG_SECT);
samp1234 346:204497974293 240 if(i == 0)
samp1234 346:204497974293 241 {
samp1234 346:204497974293 242 FSC_CURRENT[4] = fsc;
samp1234 346:204497974293 243 FSC_OLD[4] = start_fsc;
samp1234 346:204497974293 244 return i;
samp1234 346:204497974293 245 }
samp1234 346:204497974293 246 }
samp1234 346:204497974293 247 if(sid==0x05)
samp1234 346:204497974293 248 {
samp1234 346:204497974293 249 fsc=(uint32_t)(buffer[32]<<24)+(uint32_t)(buffer[33]<<16)+(uint32_t)(buffer[34]<<8)+(uint32_t)buffer[35];
samp1234 346:204497974293 250 start_fsc=(uint32_t)(buffer[36]<<24)+(uint32_t)(buffer[37]<<16)+(uint32_t)(buffer[38]<<8)+(uint32_t)buffer[39];
samp1234 346:204497974293 251 fsc++;
samp1234 346:204497974293 252 buffer[32]=(uint8_t) (fsc>>24 & 0xFF);
samp1234 346:204497974293 253 buffer[33]=(uint8_t) (fsc>>16 & 0xFF);
samp1234 346:204497974293 254 buffer[34]=(uint8_t) (fsc>>8 & 0xFF);
samp1234 346:204497974293 255 buffer[35]=(uint8_t) (fsc & 0xFF);
samp1234 346:204497974293 256 if(fsc > LOG_LAST-LOG_FIRST+1)
samp1234 346:204497974293 257 {
samp1234 346:204497974293 258 start_fsc = start_fsc+1;
samp1234 346:204497974293 259 buffer[36]=(uint8_t) (start_fsc>>24 & 0xFF);
samp1234 346:204497974293 260 buffer[37]=(uint8_t) (start_fsc>>16 & 0xFF);
samp1234 346:204497974293 261 buffer[38]=(uint8_t) (start_fsc>>8 & 0xFF);
samp1234 346:204497974293 262 buffer[39]=(uint8_t) (start_fsc & 0xFF);
samp1234 346:204497974293 263 }
samp1234 346:204497974293 264 i = disk_write(buffer,SD_MNG_SECT);
samp1234 346:204497974293 265 if(i == 0)
samp1234 346:204497974293 266 {
samp1234 346:204497974293 267 FSC_CURRENT[5] = fsc;
samp1234 346:204497974293 268 FSC_OLD[5] = start_fsc;
ee12b079 209:63e9c8f8b5d2 269 return i;
ee12b079 209:63e9c8f8b5d2 270 }
ee12b079 194:ab528911780d 271 }
ee12b079 194:ab528911780d 272 return -1;
ee12b079 86:a26f5f22631d 273 }
ee12b079 86:a26f5f22631d 274
ee12b079 86:a26f5f22631d 275
ee12b079 92:bce22b38c440 276 int SD_WRITE(uint8_t* buffer,uint32_t fsc,uint8_t sid)
ee12b079 86:a26f5f22631d 277 {
spacelab 308:7c3872365d58 278 uint32_t block_number;
ee12b079 194:ab528911780d 279 int result = 10;
samp1234 346:204497974293 280 if(SD_STATUS == DEVICE_POWERED){
samp1234 346:204497974293 281 if(sid==0x01)
samp1234 346:204497974293 282 {
samp1234 346:204497974293 283 block_number=SD_SCP_FIRST+(fsc%(SD_SCP_LAST-SD_SCP_FIRST+1))-1;
samp1234 346:204497974293 284 //block_number=SD_SCP_FIRST+fsc;
samp1234 346:204497974293 285 result= disk_write(buffer,block_number);
samp1234 346:204497974293 286 if(result == 0)
samp1234 346:204497974293 287 {
samp1234 346:204497974293 288 if(INCREMENT_SD_LIB(sid) == 0)
samp1234 346:204497974293 289 SD_LIB_WRITES++;
chaithanyarss 327:5a967a66c10f 290 }
samp1234 346:204497974293 291 return result;
samp1234 346:204497974293 292 }
samp1234 346:204497974293 293 if(sid==0x02)
samp1234 346:204497974293 294 {
samp1234 346:204497974293 295 block_number= SD_SFF_AT_FIRST+(fsc%(SD_SFF_AT_LAST - SD_SFF_AT_FIRST+1))-1;
samp1234 346:204497974293 296 //block_number= SD_SFF_AT_FIRST+fsc;
samp1234 346:204497974293 297 result= disk_write(buffer,block_number);
samp1234 346:204497974293 298 if(result == 0)
samp1234 346:204497974293 299 {
samp1234 346:204497974293 300 if(INCREMENT_SD_LIB(sid) == 0)
samp1234 346:204497974293 301 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 302 }
samp1234 346:204497974293 303 return result;
samp1234 346:204497974293 304 }
samp1234 346:204497974293 305 if(sid==0x03)
samp1234 346:204497974293 306 {
samp1234 346:204497974293 307 block_number= SD_SFF_BT_FIRST +(fsc%(SD_SFF_BT_LAST - SD_SFF_BT_FIRST +1))-1;
samp1234 346:204497974293 308 //block_number= SD_SFF_BT_FIRST +fsc;
samp1234 346:204497974293 309 result= disk_write(buffer,block_number);
samp1234 346:204497974293 310 if(result == 0)
samp1234 346:204497974293 311 {
samp1234 346:204497974293 312 if(INCREMENT_SD_LIB(sid) == 0)
samp1234 346:204497974293 313 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 314 }
samp1234 346:204497974293 315 return result;
samp1234 346:204497974293 316 }
samp1234 346:204497974293 317 if(sid==0x04)
samp1234 346:204497974293 318 {
samp1234 346:204497974293 319 block_number=SD_HK_ARCH_FIRST +(fsc%(SD_HK_ARCH_LAST - SD_HK_ARCH_FIRST +1))-1;
samp1234 346:204497974293 320 //block_number=SD_HK_ARCH_FIRST +fsc;
samp1234 346:204497974293 321 result= disk_write(buffer,block_number);
samp1234 346:204497974293 322 if(result == 0)
samp1234 346:204497974293 323 {
samp1234 346:204497974293 324 if(INCREMENT_SD_LIB(sid) == 0)
samp1234 346:204497974293 325 SD_LIB_WRITES++;
chaithanyarss 327:5a967a66c10f 326 }
samp1234 346:204497974293 327 return result;
samp1234 346:204497974293 328 }
samp1234 346:204497974293 329 if(sid==0x05)
samp1234 346:204497974293 330 {
samp1234 356:197c93dc2012 331 block_number= LOG_FIRST +(fsc%(LOG_LAST - LOG_FIRST +1))-1;
samp1234 346:204497974293 332 //block_number= LOG_FIRST +fsc;
samp1234 346:204497974293 333 result= disk_write(buffer,block_number);
samp1234 346:204497974293 334 if(result == 0)
samp1234 346:204497974293 335 {
samp1234 346:204497974293 336 if(INCREMENT_SD_LIB(sid) == 0)
samp1234 346:204497974293 337 SD_LIB_WRITES++;
chaithanyarss 327:5a967a66c10f 338 }
samp1234 346:204497974293 339 return result;
ee12b079 86:a26f5f22631d 340 }
samp1234 346:204497974293 341 }
samp1234 346:204497974293 342 // return 1;
ee12b079 86:a26f5f22631d 343 }
ee12b079 86:a26f5f22631d 344
ee12b079 195:6a549c0e9287 345 uint8_t SD_READ(uint8_t* buffer,uint32_t fsc,uint8_t sid)
ee12b079 86:a26f5f22631d 346 {
spacelab 308:7c3872365d58 347 FCTN_SD_MNGR();
ee12b079 209:63e9c8f8b5d2 348 uint32_t block_number;
ee12b079 209:63e9c8f8b5d2 349 int result;
ee12b079 295:699801854b71 350 //if(SD_SW_EN_DS == 1)
ee12b079 295:699801854b71 351 // return 0x89;
samp1234 346:204497974293 352 if(sid==0x01)
samp1234 346:204497974293 353 {
samp1234 346:204497974293 354 if(!(FSC_OLD[1]<=fsc && fsc<=FSC_CURRENT[1])){
ee12b079 195:6a549c0e9287 355 return 0x86;
ee12b079 195:6a549c0e9287 356 }
samp1234 346:204497974293 357 block_number=SD_SCP_FIRST+(fsc%(SD_SCP_LAST-SD_SCP_FIRST+1))-1;
ee12b079 86:a26f5f22631d 358 result= disk_read(buffer,block_number);
samp1234 346:204497974293 359 }
samp1234 346:204497974293 360 else if(sid==0x02)
samp1234 346:204497974293 361 {
samp1234 346:204497974293 362 if(!(FSC_OLD[2]<=fsc && fsc<=FSC_CURRENT[2])){
ee12b079 195:6a549c0e9287 363 return 0x86;
ee12b079 195:6a549c0e9287 364 }
samp1234 346:204497974293 365 block_number= SD_SFF_AT_FIRST+(fsc%(SD_SFF_AT_LAST - SD_SFF_AT_FIRST+1))-1;
ee12b079 86:a26f5f22631d 366 result= disk_read(buffer,block_number);
samp1234 346:204497974293 367 }
samp1234 346:204497974293 368 else if(sid==0x03)
samp1234 346:204497974293 369 {
samp1234 346:204497974293 370 if(!(FSC_OLD[3]<=fsc && fsc<=FSC_CURRENT[3])){
ee12b079 195:6a549c0e9287 371 return 0x86;
ee12b079 195:6a549c0e9287 372 }
samp1234 346:204497974293 373 block_number= SD_SFF_BT_FIRST +(fsc%(SD_SFF_BT_LAST - SD_SFF_BT_FIRST +1))-1;
ee12b079 86:a26f5f22631d 374 result= disk_read(buffer,block_number);
samp1234 346:204497974293 375 }
samp1234 346:204497974293 376 else if(sid==0x04)
samp1234 346:204497974293 377 {
samp1234 346:204497974293 378 if(!(FSC_OLD[4]<=fsc && fsc<=FSC_CURRENT[4])){
ee12b079 195:6a549c0e9287 379 return 0x86;
ee12b079 195:6a549c0e9287 380 }
samp1234 346:204497974293 381 block_number=SD_HK_ARCH_FIRST +(fsc%(SD_HK_ARCH_LAST - SD_HK_ARCH_FIRST +1))-1;
ee12b079 86:a26f5f22631d 382 result= disk_read(buffer,block_number);
samp1234 346:204497974293 383 }
samp1234 346:204497974293 384 else if(sid==0x05)
samp1234 346:204497974293 385 {
samp1234 346:204497974293 386 if(!(FSC_OLD[5]<=fsc && fsc<=FSC_CURRENT[5])){
ee12b079 195:6a549c0e9287 387 return 0x86;
ee12b079 195:6a549c0e9287 388 }
samp1234 356:197c93dc2012 389 block_number= LOG_FIRST +(fsc%(LOG_LAST - LOG_FIRST +1))-1;
ee12b079 86:a26f5f22631d 390 result= disk_read(buffer,block_number);
samp1234 346:204497974293 391 }
samp1234 346:204497974293 392 else
samp1234 346:204497974293 393 {
ee12b079 195:6a549c0e9287 394 return 0x02;
ee12b079 86:a26f5f22631d 395 }
ee12b079 195:6a549c0e9287 396 if(result == 0)
ee12b079 195:6a549c0e9287 397 return 0xA0;
ee12b079 195:6a549c0e9287 398 else
spacelab 308:7c3872365d58 399 return 0x88;
chaithanyarss 304:7cc4fe191a54 400 return 0xA0;
ee12b079 86:a26f5f22631d 401 }
ee12b079 86:a26f5f22631d 402
ee12b079 86:a26f5f22631d 403
ee12b079 86:a26f5f22631d 404 int initialise_card()
ee12b079 86:a26f5f22631d 405 {
ee12b079 86:a26f5f22631d 406 // Set to 100kHz for initialisation, and clock card with cs_sd = 1
samp1234 346:204497974293 407 spi.frequency(100000); // changed on 31 12 2015 to 1 MHz
ee12b079 86:a26f5f22631d 408 cs_sd = 1;
ee12b079 86:a26f5f22631d 409 for (int i = 0; i < 16; i++) {
ee12b079 86:a26f5f22631d 410 spi.write(0xFF);
ee12b079 86:a26f5f22631d 411 }
ee12b079 194:ab528911780d 412 uint8_t R1_response = cmd(0,0);
ee12b079 194:ab528911780d 413 gPC.printf("0x%02X",R1_response);
ee12b079 86:a26f5f22631d 414 // send CMD0, should return with all zeros except IDLE STATE set (bit 0)
ee12b079 194:ab528911780d 415 if (R1_response != R1_IDLE_STATE) {
ee12b079 86:a26f5f22631d 416 debug("No disk, or could not put SD card in to spi idle state\r\n");
ee12b079 86:a26f5f22631d 417 return SDCARD_FAIL;
samp1234 346:204497974293 418 }
samp1234 346:204497974293 419 else
samp1234 346:204497974293 420 gPC.puts("SD Card is in IDLE state\n\r");
ee12b079 86:a26f5f22631d 421
ee12b079 194:ab528911780d 422 // send CMD8 to determine whther it is ver 2.x
ee12b079 86:a26f5f22631d 423 int r = cmd8();
ee12b079 86:a26f5f22631d 424 if (r == R1_IDLE_STATE) {
ee12b079 194:ab528911780d 425 gPC.puts("Entering V2\r");
ee12b079 194:ab528911780d 426 int q = initialise_card_v2();
ee12b079 194:ab528911780d 427 return q;
ee12b079 86:a26f5f22631d 428
ee12b079 86:a26f5f22631d 429 } else if (r == (R1_IDLE_STATE | R1_ILLEGAL_COMMAND)) {
ee12b079 194:ab528911780d 430 gPC.puts("Entering V1");
ee12b079 86:a26f5f22631d 431 return initialise_card_v1();
ee12b079 86:a26f5f22631d 432
ee12b079 86:a26f5f22631d 433 } else {
ee12b079 86:a26f5f22631d 434 debug("\rNot in idle state after sending CMD8 (not an SD card?)\r\n");
ee12b079 86:a26f5f22631d 435 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 436 }
ee12b079 86:a26f5f22631d 437 }
ee12b079 86:a26f5f22631d 438
ee12b079 86:a26f5f22631d 439 int initialise_card_v1()
ee12b079 86:a26f5f22631d 440 {
ee12b079 86:a26f5f22631d 441 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 442 cmd(55, 0);
ee12b079 86:a26f5f22631d 443 if (cmd(41, 0) == 0) {
ee12b079 96:4ca92f9775e0 444 gPC.puts("\rv1 initialization successfull\r\n");
ee12b079 86:a26f5f22631d 445 cdv = 512;
ee12b079 86:a26f5f22631d 446 debug_if(SD_DBG, "\n\rInit: SEDCARD_V1\n\r");
ee12b079 86:a26f5f22631d 447 return SDCARD_V1;
ee12b079 86:a26f5f22631d 448 }
ee12b079 86:a26f5f22631d 449 }
ee12b079 86:a26f5f22631d 450
ee12b079 86:a26f5f22631d 451 debug("\rTimeout waiting for v1.x card\r\n");
ee12b079 86:a26f5f22631d 452 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 453 }
ee12b079 86:a26f5f22631d 454
ee12b079 86:a26f5f22631d 455
ee12b079 86:a26f5f22631d 456 int initialise_card_v2()
ee12b079 86:a26f5f22631d 457 {
ee12b079 86:a26f5f22631d 458 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 459 wait_ms(50);
ee12b079 86:a26f5f22631d 460 cmd58();
ee12b079 86:a26f5f22631d 461 cmd(55, 0);
ee12b079 86:a26f5f22631d 462 if (cmd(41, 0x40000000) == 0) {
ee12b079 194:ab528911780d 463 if (DEBUG)
ee12b079 194:ab528911780d 464 gPC.puts("\rv2 initialization successfull\r\n");
ee12b079 86:a26f5f22631d 465 cmd58();
ee12b079 86:a26f5f22631d 466 debug_if(SD_DBG, "\n\rInit: SDCARD_V2\n\r");
ee12b079 86:a26f5f22631d 467 cdv = 1;
ee12b079 322:7d906d34aaff 468 FCTN_SD_MNGR();
ee12b079 86:a26f5f22631d 469 return SDCARD_V2;
ee12b079 86:a26f5f22631d 470 }
ee12b079 86:a26f5f22631d 471 }
ee12b079 86:a26f5f22631d 472
ee12b079 86:a26f5f22631d 473 debug("\rTimeout waiting for v2.x card\r\n");
ee12b079 86:a26f5f22631d 474 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 475 }
ee12b079 86:a26f5f22631d 476
ee12b079 86:a26f5f22631d 477 int cmd(int cmd, int arg)
ee12b079 86:a26f5f22631d 478 {
ee12b079 86:a26f5f22631d 479 cs_sd = 0;
ee12b079 86:a26f5f22631d 480
ee12b079 86:a26f5f22631d 481 // send a command
ee12b079 86:a26f5f22631d 482 spi.write(0x40 | cmd);
ee12b079 86:a26f5f22631d 483 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 484 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 485 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 486 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 487 spi.write(0x95);
ee12b079 86:a26f5f22631d 488
ee12b079 86:a26f5f22631d 489 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 490 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 491 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 492 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 493 cs_sd = 1;
ee12b079 86:a26f5f22631d 494 spi.write(0xFF);
ee12b079 86:a26f5f22631d 495 return response;
ee12b079 86:a26f5f22631d 496 }
ee12b079 86:a26f5f22631d 497 }
ee12b079 86:a26f5f22631d 498 cs_sd = 1;
ee12b079 86:a26f5f22631d 499 spi.write(0xFF);
ee12b079 86:a26f5f22631d 500 return -1; // timeout
ee12b079 86:a26f5f22631d 501 }
ee12b079 86:a26f5f22631d 502
ee12b079 86:a26f5f22631d 503
ee12b079 86:a26f5f22631d 504 int cmd58()
ee12b079 86:a26f5f22631d 505 {
ee12b079 86:a26f5f22631d 506 cs_sd = 0;
ee12b079 86:a26f5f22631d 507 int arg = 0;
ee12b079 86:a26f5f22631d 508
ee12b079 86:a26f5f22631d 509 // send a command
ee12b079 86:a26f5f22631d 510 spi.write(0x40 | 58);
ee12b079 86:a26f5f22631d 511 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 512 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 513 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 514 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 515 spi.write(0x95);
ee12b079 86:a26f5f22631d 516
ee12b079 86:a26f5f22631d 517 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 518 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 519 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 520 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 521 int ocr = spi.write(0xFF) << 24;
ee12b079 86:a26f5f22631d 522 ocr |= spi.write(0xFF) << 16;
ee12b079 86:a26f5f22631d 523 ocr |= spi.write(0xFF) << 8;
ee12b079 86:a26f5f22631d 524 ocr |= spi.write(0xFF) << 0;
ee12b079 86:a26f5f22631d 525 cs_sd = 1;
ee12b079 86:a26f5f22631d 526 spi.write(0xFF);
ee12b079 86:a26f5f22631d 527 return response;
ee12b079 86:a26f5f22631d 528 }
ee12b079 86:a26f5f22631d 529 }
ee12b079 86:a26f5f22631d 530 cs_sd = 1;
ee12b079 86:a26f5f22631d 531 spi.write(0xFF);
ee12b079 86:a26f5f22631d 532 return -1; // timeout
ee12b079 86:a26f5f22631d 533 }
ee12b079 86:a26f5f22631d 534
ee12b079 86:a26f5f22631d 535
ee12b079 86:a26f5f22631d 536 int cmd8()
ee12b079 86:a26f5f22631d 537 {
ee12b079 86:a26f5f22631d 538 cs_sd = 0;
ee12b079 86:a26f5f22631d 539
ee12b079 86:a26f5f22631d 540 // send a command
ee12b079 86:a26f5f22631d 541 spi.write(0x40 | 8); // CMD8
ee12b079 86:a26f5f22631d 542 spi.write(0x00); // reserved
ee12b079 86:a26f5f22631d 543 spi.write(0x00); // reserved
ee12b079 86:a26f5f22631d 544 spi.write(0x01); // 3.3v
ee12b079 86:a26f5f22631d 545 spi.write(0xAA); // check pattern
ee12b079 86:a26f5f22631d 546 spi.write(0x87); // crc
ee12b079 86:a26f5f22631d 547
ee12b079 86:a26f5f22631d 548 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 549 for (int i = 0; i < SD_COMMAND_TIMEOUT * 1000; i++) {
ee12b079 86:a26f5f22631d 550 char response[5];
ee12b079 86:a26f5f22631d 551 response[0] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 552 if (!(response[0] & 0x80)) {
ee12b079 86:a26f5f22631d 553 for (int j = 1; j < 5; j++) {
ee12b079 86:a26f5f22631d 554 response[i] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 555 }
ee12b079 86:a26f5f22631d 556 cs_sd = 1;
ee12b079 86:a26f5f22631d 557 spi.write(0xFF);
ee12b079 86:a26f5f22631d 558 return response[0];
ee12b079 86:a26f5f22631d 559 }
ee12b079 86:a26f5f22631d 560 }
ee12b079 86:a26f5f22631d 561 cs_sd = 1;
ee12b079 86:a26f5f22631d 562 spi.write(0xFF);
ee12b079 86:a26f5f22631d 563 return -1; // timeout
ee12b079 86:a26f5f22631d 564 }
ee12b079 86:a26f5f22631d 565
ee12b079 86:a26f5f22631d 566 uint64_t sd_sectors()
ee12b079 86:a26f5f22631d 567 {
ee12b079 86:a26f5f22631d 568 uint32_t c_size, c_size_mult, read_bl_len;
ee12b079 86:a26f5f22631d 569 uint32_t block_len, mult, blocknr, capacity;
ee12b079 86:a26f5f22631d 570 uint32_t hc_c_size;
ee12b079 86:a26f5f22631d 571 uint64_t blocks;
ee12b079 86:a26f5f22631d 572
ee12b079 86:a26f5f22631d 573 // CMD9, Response R2 (R1 byte + 16-byte block read)
ee12b079 86:a26f5f22631d 574 if (cmdx(9, 0) != 0) {
ee12b079 86:a26f5f22631d 575 debug("\rDidn't get a response from the disk\n");
ee12b079 86:a26f5f22631d 576 return 0;
ee12b079 86:a26f5f22631d 577 }
ee12b079 86:a26f5f22631d 578
ee12b079 86:a26f5f22631d 579 uint8_t cs_sdd[16];
ee12b079 86:a26f5f22631d 580 if (read(cs_sdd, 16) != 0) {
ee12b079 86:a26f5f22631d 581 debug("\rCouldn't read cs_sdd response from disk\n");
ee12b079 86:a26f5f22631d 582 return 0;
ee12b079 86:a26f5f22631d 583 }
ee12b079 86:a26f5f22631d 584
ee12b079 86:a26f5f22631d 585 // cs_sdd_structure : cs_sdd[127:126]
ee12b079 86:a26f5f22631d 586 // c_size : cs_sdd[73:62]
ee12b079 86:a26f5f22631d 587 // c_size_mult : cs_sdd[49:47]
ee12b079 86:a26f5f22631d 588 // read_bl_len : cs_sdd[83:80] - the *maximum* read block length
ee12b079 86:a26f5f22631d 589
ee12b079 86:a26f5f22631d 590 int cs_sdd_structure = ext_bits(cs_sdd, 127, 126);
ee12b079 86:a26f5f22631d 591
ee12b079 86:a26f5f22631d 592 switch (cs_sdd_structure) {
ee12b079 86:a26f5f22631d 593 case 0:
ee12b079 86:a26f5f22631d 594 cdv = 512;
ee12b079 86:a26f5f22631d 595 c_size = ext_bits(cs_sdd, 73, 62);
ee12b079 86:a26f5f22631d 596 c_size_mult = ext_bits(cs_sdd, 49, 47);
ee12b079 86:a26f5f22631d 597 read_bl_len = ext_bits(cs_sdd, 83, 80);
ee12b079 86:a26f5f22631d 598
ee12b079 86:a26f5f22631d 599 block_len = 1 << read_bl_len;
ee12b079 86:a26f5f22631d 600 mult = 1 << (c_size_mult + 2);
ee12b079 86:a26f5f22631d 601 blocknr = (c_size + 1) * mult;
ee12b079 86:a26f5f22631d 602 capacity = blocknr * block_len;
ee12b079 86:a26f5f22631d 603 blocks = capacity / 512;
ee12b079 86:a26f5f22631d 604 debug_if(SD_DBG, "\n\rSDCard\n\rc_size: %d \n\rcapacity: %ld \n\rsectors: %lld\n\r", c_size, capacity, blocks);
ee12b079 86:a26f5f22631d 605 break;
ee12b079 86:a26f5f22631d 606
ee12b079 86:a26f5f22631d 607 case 1:
ee12b079 86:a26f5f22631d 608 cdv = 1;
ee12b079 86:a26f5f22631d 609 hc_c_size = ext_bits(cs_sdd, 63, 48);
ee12b079 86:a26f5f22631d 610 blocks = (hc_c_size+1)*1024;
ee12b079 86:a26f5f22631d 611 debug_if(SD_DBG, "\n\rSDHC Card \n\rhc_c_size: %d\n\rcapacity: %lld \n\rsectors: %lld\n\r", hc_c_size, blocks*512, blocks);
ee12b079 86:a26f5f22631d 612 break;
ee12b079 86:a26f5f22631d 613
ee12b079 86:a26f5f22631d 614 default:
ee12b079 86:a26f5f22631d 615 debug("cs_sdD struct unsupported\r\n");
ee12b079 86:a26f5f22631d 616 return 0;
ee12b079 86:a26f5f22631d 617 };
ee12b079 86:a26f5f22631d 618 return blocks;
ee12b079 86:a26f5f22631d 619 }
ee12b079 86:a26f5f22631d 620
ee12b079 86:a26f5f22631d 621 int cmdx(int cmd, int arg)
ee12b079 86:a26f5f22631d 622 {
ee12b079 86:a26f5f22631d 623 cs_sd = 0;
ee12b079 86:a26f5f22631d 624
ee12b079 86:a26f5f22631d 625 // send a command
ee12b079 86:a26f5f22631d 626 spi.write(0x40 | cmd);
ee12b079 86:a26f5f22631d 627 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 628 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 629 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 630 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 631 spi.write(0x95);
ee12b079 86:a26f5f22631d 632
ee12b079 86:a26f5f22631d 633 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 634 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 635 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 636 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 637 return response;
ee12b079 86:a26f5f22631d 638 }
ee12b079 86:a26f5f22631d 639 }
ee12b079 86:a26f5f22631d 640 cs_sd = 1;
ee12b079 86:a26f5f22631d 641 spi.write(0xFF);
ee12b079 194:ab528911780d 642 return 1; // timeout
ee12b079 86:a26f5f22631d 643 }
ee12b079 86:a26f5f22631d 644
ee12b079 86:a26f5f22631d 645 static uint32_t ext_bits(unsigned char *data, int msb, int lsb)
ee12b079 86:a26f5f22631d 646 {
ee12b079 86:a26f5f22631d 647 uint32_t bits = 0;
ee12b079 86:a26f5f22631d 648 uint32_t size = 1 + msb - lsb;
ee12b079 86:a26f5f22631d 649 for (int i = 0; i < size; i++) {
ee12b079 86:a26f5f22631d 650 uint32_t position = lsb + i;
ee12b079 86:a26f5f22631d 651 uint32_t byte = 15 - (position >> 3);
ee12b079 86:a26f5f22631d 652 uint32_t bit = position & 0x7;
ee12b079 86:a26f5f22631d 653 uint32_t value = (data[byte] >> bit) & 1;
ee12b079 86:a26f5f22631d 654 bits |= value << i;
ee12b079 86:a26f5f22631d 655 }
ee12b079 86:a26f5f22631d 656 return bits;
ee12b079 86:a26f5f22631d 657 }
ee12b079 86:a26f5f22631d 658
ee12b079 86:a26f5f22631d 659 int disk_write(const uint8_t *buffer, uint64_t block_number)
ee12b079 86:a26f5f22631d 660
ee12b079 86:a26f5f22631d 661 {
ee12b079 86:a26f5f22631d 662 // set write address for single block (CMD24)
ee12b079 86:a26f5f22631d 663 if (cmd(24, block_number * cdv) != 0) {
chaithanyarss 303:b49b486a7107 664 CDMS_WR_SD_FAULT_COUNTER++;
ee12b079 86:a26f5f22631d 665 return 1;
ee12b079 86:a26f5f22631d 666 }
samp1234 346:204497974293 667
ee12b079 209:63e9c8f8b5d2 668 uint64_t temp;
ee12b079 209:63e9c8f8b5d2 669 int r = write(buffer, 512);
samp1234 346:204497974293 670 if(r == 0 ){
ee12b079 209:63e9c8f8b5d2 671 temp = FCTN_CDMS_RD_RTC();
samp1234 356:197c93dc2012 672 TIME_LATEST_SD_WR = temp >> 7;
ee12b079 209:63e9c8f8b5d2 673 }
ee12b079 209:63e9c8f8b5d2 674 return r;
ee12b079 86:a26f5f22631d 675 }
ee12b079 86:a26f5f22631d 676
ee12b079 86:a26f5f22631d 677 int write(const uint8_t*buffer, uint32_t length)
ee12b079 86:a26f5f22631d 678 {
ee12b079 86:a26f5f22631d 679 cs_sd = 0;
ee12b079 86:a26f5f22631d 680
ee12b079 86:a26f5f22631d 681 // indicate start of block
ee12b079 86:a26f5f22631d 682 spi.write(0xFE);
ee12b079 86:a26f5f22631d 683
ee12b079 86:a26f5f22631d 684 // write the data
ee12b079 86:a26f5f22631d 685 for (int i = 0; i < length; i++) {
ee12b079 86:a26f5f22631d 686 spi.write(buffer[i]);
ee12b079 86:a26f5f22631d 687 }
ee12b079 86:a26f5f22631d 688
ee12b079 86:a26f5f22631d 689 // write the checksum
ee12b079 86:a26f5f22631d 690 spi.write(0xFF);
ee12b079 86:a26f5f22631d 691 spi.write(0xFF);
ee12b079 86:a26f5f22631d 692
ee12b079 86:a26f5f22631d 693 // check the response token
ee12b079 86:a26f5f22631d 694 if ((spi.write(0xFF) & 0x1F) != 0x05) {
ee12b079 86:a26f5f22631d 695 cs_sd = 1;
ee12b079 86:a26f5f22631d 696 spi.write(0xFF);
chaithanyarss 303:b49b486a7107 697 CDMS_WR_SD_FAULT_COUNTER++;
ee12b079 86:a26f5f22631d 698 return 1;
ee12b079 86:a26f5f22631d 699 }
ee12b079 86:a26f5f22631d 700
ee12b079 86:a26f5f22631d 701 // wait for write to finish
ee12b079 86:a26f5f22631d 702 while (spi.write(0xFF) == 0);
ee12b079 86:a26f5f22631d 703
ee12b079 86:a26f5f22631d 704 cs_sd = 1;
ee12b079 86:a26f5f22631d 705 spi.write(0xFF);
ee12b079 86:a26f5f22631d 706 return 0;
ee12b079 86:a26f5f22631d 707 }
ee12b079 86:a26f5f22631d 708
ee12b079 86:a26f5f22631d 709 int disk_read(uint8_t *buffer, uint64_t block_number)
ee12b079 86:a26f5f22631d 710 {
ee12b079 86:a26f5f22631d 711 // set read address for single block (CMD17)
ee12b079 86:a26f5f22631d 712 if (cmd(17, block_number * cdv) != 0) {
ee12b079 209:63e9c8f8b5d2 713 SD_RD_ERROR = 1;
ee12b079 86:a26f5f22631d 714 return 1;
ee12b079 86:a26f5f22631d 715 }
ee12b079 86:a26f5f22631d 716
ee12b079 86:a26f5f22631d 717 // receive the data
ee12b079 86:a26f5f22631d 718 read(buffer, 512);
ee12b079 209:63e9c8f8b5d2 719 uint64_t temp = FCTN_CDMS_RD_RTC();
ee12b079 209:63e9c8f8b5d2 720 TIME_LATEST_SD_RD = temp >> 7;
ee12b079 86:a26f5f22631d 721 return 0;
ee12b079 86:a26f5f22631d 722 }
ee12b079 86:a26f5f22631d 723
ee12b079 86:a26f5f22631d 724 int read(uint8_t *buffer, uint32_t length)
ee12b079 86:a26f5f22631d 725 {
ee12b079 86:a26f5f22631d 726 cs_sd = 0;
ee12b079 86:a26f5f22631d 727
ee12b079 86:a26f5f22631d 728 // read until start byte (0xFF)
ee12b079 86:a26f5f22631d 729 while (spi.write(0xFF) != 0xFE);
ee12b079 86:a26f5f22631d 730
ee12b079 86:a26f5f22631d 731 // read data
ee12b079 86:a26f5f22631d 732 for (int i = 0; i < length; i++) {
ee12b079 86:a26f5f22631d 733 buffer[i] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 734 }
ee12b079 86:a26f5f22631d 735 spi.write(0xFF); // checksum
ee12b079 86:a26f5f22631d 736 spi.write(0xFF);
ee12b079 86:a26f5f22631d 737
ee12b079 86:a26f5f22631d 738 cs_sd = 1;
ee12b079 86:a26f5f22631d 739 spi.write(0xFF);
ee12b079 86:a26f5f22631d 740 return 0;
ee12b079 86:a26f5f22631d 741 }
ee12b079 86:a26f5f22631d 742
ee12b079 86:a26f5f22631d 743 int disk_erase(int startBlock, int totalBlocks)
ee12b079 86:a26f5f22631d 744 {
ee12b079 86:a26f5f22631d 745 if(cmd(32, startBlock * cdv) != 0) {
ee12b079 86:a26f5f22631d 746 return 1;
ee12b079 86:a26f5f22631d 747 }
ee12b079 86:a26f5f22631d 748 if (cmd(33, (startBlock+totalBlocks-1) * cdv) != 0) {
ee12b079 86:a26f5f22631d 749 return 1;
ee12b079 86:a26f5f22631d 750 }
ee12b079 86:a26f5f22631d 751 if (cmd(38,0) != 0) {
ee12b079 86:a26f5f22631d 752 return 1;
ee12b079 86:a26f5f22631d 753 }
samp1234 346:204497974293 754
ee12b079 86:a26f5f22631d 755 return 0; //normal return
ee12b079 209:63e9c8f8b5d2 756 }
ee12b079 209:63e9c8f8b5d2 757
ee12b079 209:63e9c8f8b5d2 758 int disk_read_statusbits(uint8_t *buffer)
ee12b079 209:63e9c8f8b5d2 759 {
ee12b079 209:63e9c8f8b5d2 760 if (cmd(17, 0) != 0) {
samp1234 346:204497974293 761 SD_RD_ERROR = 1;
ee12b079 209:63e9c8f8b5d2 762 return -1;
ee12b079 209:63e9c8f8b5d2 763 }
ee12b079 209:63e9c8f8b5d2 764
ee12b079 209:63e9c8f8b5d2 765 // receive the data
ee12b079 209:63e9c8f8b5d2 766 return read(buffer,64);
samp1234 346:204497974293 767 }