samp Srinivasan / Mbed 2 deprecated CDMS_CODE_FROM13JAN2017

To fix the hang problem

Dependencies:   FreescaleIAP SimpleDMA mbed-rtos mbed

Fork of CDMS_CODE by shubham c

cdms_sd.h@345:8e6b2b4d244e, 2017-01-17 (annotated)

Committer:
samp1234
Date:
Tue Jan 17 06:19:27 2017 +0000
Revision:
345:8e6b2b4d244e
Parent:
343:204497974293 
Changes include PL GPIO control during COM thread, SD card writing in science thread, Re-init HK Timer in alternate science thread to synchronise ISR.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samp1234 343:204497974293 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 343:204497974293 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 343:204497974293 19
samp1234 343:204497974293 20
samp1234 343:204497974293 21 #define SD_MAX_CYCLES 10000
samp1234 343:204497974293 22
samp1234 343:204497974293 23 uint32_t SD_SCP_FIRST=1001;
samp1234 343:204497974293 24 uint32_t SD_SCP_LAST=2000;
samp1234 343:204497974293 25 uint32_t SD_SFF_AT_FIRST=2001;
samp1234 343:204497974293 26 uint32_t SD_SFF_AT_LAST = 3000;
samp1234 343:204497974293 27 uint32_t SD_SFF_BT_FIRST =3001;
samp1234 343:204497974293 28 uint32_t SD_SFF_BT_LAST=4000;
samp1234 343:204497974293 29 uint32_t SD_HK_ARCH_FIRST=4001;
samp1234 343:204497974293 30 uint32_t SD_HK_ARCH_LAST= 5000;
samp1234 343:204497974293 31 uint32_t LOG_FIRST =5001;
samp1234 343:204497974293 32 uint32_t LOG_LAST=6000;
samp1234 343:204497974293 33 uint32_t SD_MNG_SECT = 8000;
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 343:204497974293 69 {
ee12b079 194:ab528911780d 70 int i = initialise_card();
chaithanyarss 261:1e54415b34d3 71 if( i == 4)
samp1234 343:204497974293 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 343:204497974293 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 343:204497974293 91 uint32_t start_fsc;
ee12b079 92:bce22b38c440 92 uint8_t buffer[512];
chaithanyarss 261:1e54415b34d3 93 int b;
samp1234 343:204497974293 94 if(SD_STATUS == DEVICE_POWERED){
samp1234 343:204497974293 95 b=disk_read(buffer, SD_MNG_SECT);
samp1234 343:204497974293 96
samp1234 343:204497974293 97 fsc=(uint32_t)(buffer[0]<<24)+(uint32_t)(buffer[1]<<16)+(uint32_t)(buffer[2]<<8)+(uint32_t)buffer[3];
samp1234 343:204497974293 98 start_fsc=(uint32_t)(buffer[4]<<24)+(uint32_t)(buffer[5]<<16)+(uint32_t)(buffer[6]<<8)+(uint32_t)buffer[7];
samp1234 343:204497974293 99 FSC_CURRENT[1] = fsc;
samp1234 343:204497974293 100 FSC_OLD[1] = start_fsc;
samp1234 343:204497974293 101
samp1234 343:204497974293 102 fsc=(uint32_t)(buffer[8]<<24)+(uint32_t)(buffer[9]<<16)+(uint32_t)(buffer[10]<<8)+(uint32_t)buffer[11];
samp1234 343:204497974293 103 start_fsc=(uint32_t)(buffer[12]<<24)+(uint32_t)(buffer[13]<<16)+(uint32_t)(buffer[14]<<8)+(uint32_t)buffer[15];
samp1234 343:204497974293 104 FSC_CURRENT[2] = fsc;
samp1234 343:204497974293 105 FSC_OLD[2] = start_fsc;
ee12b079 195:6a549c0e9287 106
samp1234 343:204497974293 107 fsc=(uint32_t)(buffer[16]<<24)+(uint32_t)(buffer[17]<<16)+(uint32_t)(buffer[18]<<8)+(uint32_t)buffer[19];
samp1234 343:204497974293 108 start_fsc=(uint32_t)(buffer[20]<<24)+(uint32_t)(buffer[21]<<16)+(uint32_t)(buffer[22]<<8)+(uint32_t)buffer[23];
samp1234 343:204497974293 109 FSC_CURRENT[3] = fsc;
samp1234 343:204497974293 110 FSC_OLD[3] = start_fsc;
samp1234 343:204497974293 111
samp1234 343:204497974293 112 fsc=(uint32_t)(buffer[24]<<24)+(uint32_t)(buffer[25]<<16)+(uint32_t)(buffer[26]<<8)+(uint32_t)buffer[27];
samp1234 343:204497974293 113 start_fsc=(uint32_t)(buffer[28]<<24)+(uint32_t)(buffer[29]<<16)+(uint32_t)(buffer[30]<<8)+(uint32_t)buffer[31];
samp1234 343:204497974293 114 FSC_CURRENT[4] = fsc;
samp1234 343:204497974293 115 FSC_OLD[4] = start_fsc;
samp1234 343:204497974293 116
samp1234 343:204497974293 117 fsc=(uint32_t)(buffer[32]<<24)+(uint32_t)(buffer[33]<<16)+(uint32_t)(buffer[34]<<8)+(uint32_t)buffer[35];
samp1234 343:204497974293 118 start_fsc=(uint32_t)(buffer[36]<<24)+(uint32_t)(buffer[37]<<16)+(uint32_t)(buffer[38]<<8)+(uint32_t)buffer[39];
samp1234 343:204497974293 119 FSC_CURRENT[5] = fsc;
samp1234 343:204497974293 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 343:204497974293 127 uint32_t start_fsc;
ee12b079 209:63e9c8f8b5d2 128 int i;
ee12b079 194:ab528911780d 129 uint8_t buffer[512];
samp1234 343:204497974293 130
spacelab 308:7c3872365d58 131 disk_read(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 132 SD_MNG_SECT += SD_LIB_WRITES/(int)0xFFFF;
samp1234 343:204497974293 133 if(SD_MNG_SECT != SD_LIB_BLK_CURRENT)
samp1234 343:204497974293 134 {
chaithanyarss 324:c0a5228cc666 135 SD_LIB_BLK_CURRENT = SD_MNG_SECT;
samp1234 343:204497974293 136 FCTN_CDMS_WR_FLASH(16,SD_LIB_BLK_CURRENT);
chaithanyarss 324:c0a5228cc666 137 }
ee12b079 209:63e9c8f8b5d2 138 SD_LIB_WRITES = SD_LIB_WRITES%(int)0xFFFF;
spacelab 308:7c3872365d58 139 disk_write(buffer,SD_MNG_SECT);
samp1234 343:204497974293 140 // gPC.printf("in increment_SD_LIB = %d, %d,%d\n\r", FSC_CURRENT[1],FSC_CURRENT[2],FSC_CURRENT[3]);
samp1234 343:204497974293 141 // SD_MNG_SECT += SD_LIB_WRITES/(int)0xFFFF;
samp1234 343:204497974293 142 // SD_LIB_WRITES = SD_LIB_WRITES%(int)0xFFFF;
samp1234 343:204497974293 143
ee12b079 194:ab528911780d 144 disk_read(buffer,SD_MNG_SECT);
samp1234 343:204497974293 145 if(sid==0x01)
samp1234 343:204497974293 146 {
samp1234 343:204497974293 147 fsc=(uint32_t)(buffer[0]<<24)+(uint32_t)(buffer[1]<<16)+(uint32_t)(buffer[2]<<8)+(uint32_t)buffer[3];
samp1234 343:204497974293 148 start_fsc=(uint32_t)(buffer[4]<<24)+(uint32_t)(buffer[5]<<16)+(uint32_t)(buffer[6]<<8)+(uint32_t)buffer[7];
samp1234 343:204497974293 149 fsc++;
samp1234 343:204497974293 150 buffer[0]=(uint8_t) (fsc>>24 & 0xFF);
samp1234 343:204497974293 151 buffer[1]=(uint8_t) (fsc>>16 & 0xFF);
samp1234 343:204497974293 152 buffer[2]=(uint8_t) (fsc>>8 & 0xFF);
samp1234 343:204497974293 153 buffer[3]=(uint8_t) (fsc & 0xFF);
samp1234 343:204497974293 154 if(fsc > SD_SCP_LAST-SD_SCP_FIRST+1)
samp1234 343:204497974293 155 {
samp1234 343:204497974293 156 start_fsc = start_fsc+1;
samp1234 343:204497974293 157 buffer[4]=(uint8_t) (start_fsc>>24 & 0xFF);
samp1234 343:204497974293 158 buffer[5]=(uint8_t) (start_fsc>>16 & 0xFF);
samp1234 343:204497974293 159 buffer[6]=(uint8_t) (start_fsc>>8 & 0xFF);
samp1234 343:204497974293 160 buffer[7]=(uint8_t) (start_fsc & 0xFF);
samp1234 343:204497974293 161 }
samp1234 343:204497974293 162
samp1234 343:204497974293 163 i = disk_write(buffer,SD_MNG_SECT);
samp1234 343:204497974293 164 if(i == 0)
samp1234 343:204497974293 165 {
samp1234 343:204497974293 166 FSC_CURRENT[1] = fsc;
samp1234 343:204497974293 167 FSC_OLD[1] = start_fsc;
samp1234 343:204497974293 168 return i;
samp1234 343:204497974293 169 }
samp1234 343:204497974293 170 }
samp1234 343:204497974293 171 if(sid==0x02)
chaithanyarss 328:2242ebc71be8 172 {
samp1234 343:204497974293 173 fsc=(uint32_t)(buffer[8]<<24)+(uint32_t)(buffer[9]<<16)+(uint32_t)(buffer[10]<<8)+(uint32_t)buffer[11];
samp1234 343:204497974293 174 start_fsc=(uint32_t)(buffer[12]<<24)+(uint32_t)(buffer[13]<<16)+(uint32_t)(buffer[14]<<8)+(uint32_t)buffer[15];
samp1234 343:204497974293 175 fsc++;
samp1234 343:204497974293 176 buffer[8]=(uint8_t) (fsc>>24 & 0xFF);
samp1234 343:204497974293 177 buffer[9]=(uint8_t) (fsc>>16 & 0xFF);
samp1234 343:204497974293 178 buffer[10]=(uint8_t) (fsc>>8 & 0xFF);
samp1234 343:204497974293 179 buffer[11]=(uint8_t) (fsc & 0xFF);
samp1234 343:204497974293 180 if(fsc > SD_SFF_AT_LAST-SD_SFF_AT_FIRST+1)
samp1234 343:204497974293 181 {
samp1234 343:204497974293 182 start_fsc = start_fsc+1;
samp1234 343:204497974293 183 buffer[12]=(uint8_t) (start_fsc>>24 & 0xFF);
samp1234 343:204497974293 184 buffer[13]=(uint8_t) (start_fsc>>16 & 0xFF);
samp1234 343:204497974293 185 buffer[14]=(uint8_t) (start_fsc>>8 & 0xFF);
samp1234 343:204497974293 186 buffer[15]=(uint8_t) (start_fsc & 0xFF);
samp1234 343:204497974293 187 }
samp1234 343:204497974293 188 i = disk_write(buffer,SD_MNG_SECT);
samp1234 343:204497974293 189 if(i == 0)
samp1234 343:204497974293 190 {
samp1234 343:204497974293 191 FSC_CURRENT[2] = fsc;
samp1234 343:204497974293 192 FSC_OLD[2] = start_fsc;
samp1234 343:204497974293 193 return i;
samp1234 343:204497974293 194 }
samp1234 343:204497974293 195 }
samp1234 343:204497974293 196 if(sid==0x03)
samp1234 343:204497974293 197 {
samp1234 343:204497974293 198 fsc=(uint32_t)(buffer[16]<<24)+(uint32_t)(buffer[17]<<16)+(uint32_t)(buffer[18]<<8)+(uint32_t)buffer[19];
samp1234 343:204497974293 199 start_fsc=(uint32_t)(buffer[20]<<24)+(uint32_t)(buffer[21]<<16)+(uint32_t)(buffer[22]<<8)+(uint32_t)buffer[23];
ee12b079 203:424308159a56 200 fsc++;
samp1234 343:204497974293 201 buffer[16]=(uint8_t) (fsc>>24 & 0xFF);
samp1234 343:204497974293 202 buffer[17]=(uint8_t) (fsc>>16 & 0xFF);
samp1234 343:204497974293 203 buffer[18]=(uint8_t) (fsc>>8 & 0xFF);
samp1234 343:204497974293 204 buffer[19]=(uint8_t) (fsc & 0xFF);
samp1234 343:204497974293 205 if(fsc > SD_SFF_BT_LAST-SD_SFF_BT_FIRST+1)
samp1234 343:204497974293 206 {
samp1234 343:204497974293 207 start_fsc = start_fsc+1;
samp1234 343:204497974293 208 buffer[20]=(uint8_t) (start_fsc>>24 & 0xFF);
samp1234 343:204497974293 209 buffer[21]=(uint8_t) (start_fsc>>16 & 0xFF);
samp1234 343:204497974293 210 buffer[22]=(uint8_t) (start_fsc>>8 & 0xFF);
samp1234 343:204497974293 211 buffer[23]=(uint8_t) (start_fsc & 0xFF);
samp1234 343:204497974293 212 }
samp1234 343:204497974293 213 i = disk_write(buffer,SD_MNG_SECT);
samp1234 343:204497974293 214 if(i == 0)
samp1234 343:204497974293 215 {
samp1234 343:204497974293 216 FSC_CURRENT[3] = fsc;
samp1234 343:204497974293 217 FSC_OLD[3] = start_fsc;
samp1234 343:204497974293 218 return i;
ee12b079 194:ab528911780d 219 }
samp1234 343:204497974293 220 }
samp1234 343:204497974293 221 if(sid==0x04)
samp1234 343:204497974293 222 {
samp1234 343:204497974293 223 fsc=(uint32_t)(buffer[24]<<24)+(uint32_t)(buffer[25]<<16)+(uint32_t)(buffer[26]<<8)+(uint32_t)buffer[27];
samp1234 343:204497974293 224 start_fsc=(uint32_t)(buffer[28]<<24)+(uint32_t)(buffer[29]<<16)+(uint32_t)(buffer[30]<<8)+(uint32_t)buffer[31];
samp1234 343:204497974293 225 fsc++;
samp1234 343:204497974293 226 buffer[24]=(uint8_t) (fsc>>24 & 0xFF);
samp1234 343:204497974293 227 buffer[25]=(uint8_t) (fsc>>16 & 0xFF);
samp1234 343:204497974293 228 buffer[26]=(uint8_t) (fsc>>8 & 0xFF);
samp1234 343:204497974293 229 buffer[27]=(uint8_t) (fsc & 0xFF);
samp1234 343:204497974293 230 if(fsc > SD_HK_ARCH_LAST-SD_HK_ARCH_FIRST+1)
samp1234 343:204497974293 231 {
samp1234 343:204497974293 232 start_fsc = start_fsc+1;
samp1234 343:204497974293 233 buffer[28]=(uint8_t) (start_fsc>>24 & 0xFF);
samp1234 343:204497974293 234 buffer[29]=(uint8_t) (start_fsc>>16 & 0xFF);
samp1234 343:204497974293 235 buffer[30]=(uint8_t) (start_fsc>>8 & 0xFF);
samp1234 343:204497974293 236 buffer[31]=(uint8_t) (start_fsc & 0xFF);
samp1234 343:204497974293 237 }
ee12b079 203:424308159a56 238 i = disk_write(buffer,SD_MNG_SECT);
samp1234 343:204497974293 239 if(i == 0)
samp1234 343:204497974293 240 {
samp1234 343:204497974293 241 FSC_CURRENT[4] = fsc;
samp1234 343:204497974293 242 FSC_OLD[4] = start_fsc;
samp1234 343:204497974293 243 return i;
samp1234 343:204497974293 244 }
samp1234 343:204497974293 245 }
samp1234 343:204497974293 246 if(sid==0x05)
samp1234 343:204497974293 247 {
samp1234 343:204497974293 248 fsc=(uint32_t)(buffer[32]<<24)+(uint32_t)(buffer[33]<<16)+(uint32_t)(buffer[34]<<8)+(uint32_t)buffer[35];
samp1234 343:204497974293 249 start_fsc=(uint32_t)(buffer[36]<<24)+(uint32_t)(buffer[37]<<16)+(uint32_t)(buffer[38]<<8)+(uint32_t)buffer[39];
samp1234 343:204497974293 250 fsc++;
samp1234 343:204497974293 251 buffer[32]=(uint8_t) (fsc>>24 & 0xFF);
samp1234 343:204497974293 252 buffer[33]=(uint8_t) (fsc>>16 & 0xFF);
samp1234 343:204497974293 253 buffer[34]=(uint8_t) (fsc>>8 & 0xFF);
samp1234 343:204497974293 254 buffer[35]=(uint8_t) (fsc & 0xFF);
samp1234 343:204497974293 255 if(fsc > LOG_LAST-LOG_FIRST+1)
samp1234 343:204497974293 256 {
samp1234 343:204497974293 257 start_fsc = start_fsc+1;
samp1234 343:204497974293 258 buffer[36]=(uint8_t) (start_fsc>>24 & 0xFF);
samp1234 343:204497974293 259 buffer[37]=(uint8_t) (start_fsc>>16 & 0xFF);
samp1234 343:204497974293 260 buffer[38]=(uint8_t) (start_fsc>>8 & 0xFF);
samp1234 343:204497974293 261 buffer[39]=(uint8_t) (start_fsc & 0xFF);
samp1234 343:204497974293 262 }
samp1234 343:204497974293 263 i = disk_write(buffer,SD_MNG_SECT);
samp1234 343:204497974293 264 if(i == 0)
samp1234 343:204497974293 265 {
samp1234 343:204497974293 266 FSC_CURRENT[5] = fsc;
samp1234 343:204497974293 267 FSC_OLD[5] = start_fsc;
ee12b079 209:63e9c8f8b5d2 268 return i;
ee12b079 209:63e9c8f8b5d2 269 }
ee12b079 194:ab528911780d 270 }
ee12b079 194:ab528911780d 271 return -1;
ee12b079 86:a26f5f22631d 272 }
ee12b079 86:a26f5f22631d 273
ee12b079 86:a26f5f22631d 274
ee12b079 92:bce22b38c440 275 int SD_WRITE(uint8_t* buffer,uint32_t fsc,uint8_t sid)
ee12b079 86:a26f5f22631d 276 {
spacelab 308:7c3872365d58 277 uint32_t block_number;
ee12b079 194:ab528911780d 278 int result = 10;
samp1234 343:204497974293 279 if(SD_STATUS == DEVICE_POWERED){
samp1234 343:204497974293 280 if(sid==0x01)
samp1234 343:204497974293 281 {
samp1234 343:204497974293 282 block_number=SD_SCP_FIRST+(fsc%(SD_SCP_LAST-SD_SCP_FIRST+1))-1;
samp1234 343:204497974293 283 //block_number=SD_SCP_FIRST+fsc;
samp1234 343:204497974293 284 result= disk_write(buffer,block_number);
samp1234 343:204497974293 285 if(result == 0)
samp1234 343:204497974293 286 {
samp1234 343:204497974293 287 if(INCREMENT_SD_LIB(sid) == 0)
samp1234 343:204497974293 288 SD_LIB_WRITES++;
chaithanyarss 327:5a967a66c10f 289 }
samp1234 343:204497974293 290 return result;
samp1234 343:204497974293 291 }
samp1234 343:204497974293 292 if(sid==0x02)
samp1234 343:204497974293 293 {
samp1234 343:204497974293 294 block_number= SD_SFF_AT_FIRST+(fsc%(SD_SFF_AT_LAST - SD_SFF_AT_FIRST+1))-1;
samp1234 343:204497974293 295 //block_number= SD_SFF_AT_FIRST+fsc;
samp1234 343:204497974293 296 result= disk_write(buffer,block_number);
samp1234 343:204497974293 297 if(result == 0)
samp1234 343:204497974293 298 {
samp1234 343:204497974293 299 if(INCREMENT_SD_LIB(sid) == 0)
samp1234 343:204497974293 300 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 301 }
samp1234 343:204497974293 302 return result;
samp1234 343:204497974293 303 }
samp1234 343:204497974293 304 if(sid==0x03)
samp1234 343:204497974293 305 {
samp1234 343:204497974293 306 block_number= SD_SFF_BT_FIRST +(fsc%(SD_SFF_BT_LAST - SD_SFF_BT_FIRST +1))-1;
samp1234 343:204497974293 307 //block_number= SD_SFF_BT_FIRST +fsc;
samp1234 343:204497974293 308 result= disk_write(buffer,block_number);
samp1234 343:204497974293 309 if(result == 0)
samp1234 343:204497974293 310 {
samp1234 343:204497974293 311 if(INCREMENT_SD_LIB(sid) == 0)
samp1234 343:204497974293 312 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 313 }
samp1234 343:204497974293 314 return result;
samp1234 343:204497974293 315 }
samp1234 343:204497974293 316 if(sid==0x04)
samp1234 343:204497974293 317 {
samp1234 343:204497974293 318 block_number=SD_HK_ARCH_FIRST +(fsc%(SD_HK_ARCH_LAST - SD_HK_ARCH_FIRST +1))-1;
samp1234 343:204497974293 319 //block_number=SD_HK_ARCH_FIRST +fsc;
samp1234 343:204497974293 320 result= disk_write(buffer,block_number);
samp1234 343:204497974293 321 if(result == 0)
samp1234 343:204497974293 322 {
samp1234 343:204497974293 323 if(INCREMENT_SD_LIB(sid) == 0)
samp1234 343:204497974293 324 SD_LIB_WRITES++;
chaithanyarss 327:5a967a66c10f 325 }
samp1234 343:204497974293 326 return result;
samp1234 343:204497974293 327 }
samp1234 343:204497974293 328 if(sid==0x05)
samp1234 343:204497974293 329 {
samp1234 343:204497974293 330 block_number= LOG_FIRST +(fsc%(LOG_FIRST - LOG_FIRST +1))-1;
samp1234 343:204497974293 331 //block_number= LOG_FIRST +fsc;
samp1234 343:204497974293 332 result= disk_write(buffer,block_number);
samp1234 343:204497974293 333 if(result == 0)
samp1234 343:204497974293 334 {
samp1234 343:204497974293 335 if(INCREMENT_SD_LIB(sid) == 0)
samp1234 343:204497974293 336 SD_LIB_WRITES++;
chaithanyarss 327:5a967a66c10f 337 }
samp1234 343:204497974293 338 return result;
ee12b079 86:a26f5f22631d 339 }
samp1234 343:204497974293 340 }
samp1234 343:204497974293 341 // return 1;
ee12b079 86:a26f5f22631d 342 }
ee12b079 86:a26f5f22631d 343
ee12b079 195:6a549c0e9287 344 uint8_t SD_READ(uint8_t* buffer,uint32_t fsc,uint8_t sid)
ee12b079 86:a26f5f22631d 345 {
spacelab 308:7c3872365d58 346 FCTN_SD_MNGR();
ee12b079 209:63e9c8f8b5d2 347 uint32_t block_number;
ee12b079 209:63e9c8f8b5d2 348 int result;
ee12b079 295:699801854b71 349 //if(SD_SW_EN_DS == 1)
ee12b079 295:699801854b71 350 // return 0x89;
samp1234 343:204497974293 351 if(sid==0x01)
samp1234 343:204497974293 352 {
samp1234 343:204497974293 353 if(!(FSC_OLD[1]<=fsc && fsc<=FSC_CURRENT[1])){
ee12b079 195:6a549c0e9287 354 return 0x86;
ee12b079 195:6a549c0e9287 355 }
samp1234 343:204497974293 356 block_number=SD_SCP_FIRST+(fsc%(SD_SCP_LAST-SD_SCP_FIRST+1))-1;
ee12b079 86:a26f5f22631d 357 result= disk_read(buffer,block_number);
samp1234 343:204497974293 358 }
samp1234 343:204497974293 359 else if(sid==0x02)
samp1234 343:204497974293 360 {
samp1234 343:204497974293 361 if(!(FSC_OLD[2]<=fsc && fsc<=FSC_CURRENT[2])){
ee12b079 195:6a549c0e9287 362 return 0x86;
ee12b079 195:6a549c0e9287 363 }
samp1234 343:204497974293 364 block_number= SD_SFF_AT_FIRST+(fsc%(SD_SFF_AT_LAST - SD_SFF_AT_FIRST+1))-1;
ee12b079 86:a26f5f22631d 365 result= disk_read(buffer,block_number);
samp1234 343:204497974293 366 }
samp1234 343:204497974293 367 else if(sid==0x03)
samp1234 343:204497974293 368 {
samp1234 343:204497974293 369 if(!(FSC_OLD[3]<=fsc && fsc<=FSC_CURRENT[3])){
ee12b079 195:6a549c0e9287 370 return 0x86;
ee12b079 195:6a549c0e9287 371 }
samp1234 343:204497974293 372 block_number= SD_SFF_BT_FIRST +(fsc%(SD_SFF_BT_LAST - SD_SFF_BT_FIRST +1))-1;
ee12b079 86:a26f5f22631d 373 result= disk_read(buffer,block_number);
samp1234 343:204497974293 374 }
samp1234 343:204497974293 375 else if(sid==0x04)
samp1234 343:204497974293 376 {
samp1234 343:204497974293 377 if(!(FSC_OLD[4]<=fsc && fsc<=FSC_CURRENT[4])){
ee12b079 195:6a549c0e9287 378 return 0x86;
ee12b079 195:6a549c0e9287 379 }
samp1234 343:204497974293 380 block_number=SD_HK_ARCH_FIRST +(fsc%(SD_HK_ARCH_LAST - SD_HK_ARCH_FIRST +1))-1;
ee12b079 86:a26f5f22631d 381 result= disk_read(buffer,block_number);
samp1234 343:204497974293 382 }
samp1234 343:204497974293 383 else if(sid==0x05)
samp1234 343:204497974293 384 {
samp1234 343:204497974293 385 if(!(FSC_OLD[5]<=fsc && fsc<=FSC_CURRENT[5])){
ee12b079 195:6a549c0e9287 386 return 0x86;
ee12b079 195:6a549c0e9287 387 }
samp1234 343:204497974293 388 block_number= LOG_FIRST +(fsc%(LOG_FIRST - LOG_FIRST +1))-1;
ee12b079 86:a26f5f22631d 389 result= disk_read(buffer,block_number);
samp1234 343:204497974293 390 }
samp1234 343:204497974293 391 else
samp1234 343:204497974293 392 {
ee12b079 195:6a549c0e9287 393 return 0x02;
ee12b079 86:a26f5f22631d 394 }
ee12b079 195:6a549c0e9287 395 if(result == 0)
ee12b079 195:6a549c0e9287 396 return 0xA0;
ee12b079 195:6a549c0e9287 397 else
spacelab 308:7c3872365d58 398 return 0x88;
chaithanyarss 304:7cc4fe191a54 399 return 0xA0;
ee12b079 86:a26f5f22631d 400 }
ee12b079 86:a26f5f22631d 401
ee12b079 86:a26f5f22631d 402
ee12b079 86:a26f5f22631d 403 int initialise_card()
ee12b079 86:a26f5f22631d 404 {
ee12b079 86:a26f5f22631d 405 // Set to 100kHz for initialisation, and clock card with cs_sd = 1
samp1234 343:204497974293 406 spi.frequency(100000); // changed on 31 12 2015 to 1 MHz
ee12b079 86:a26f5f22631d 407 cs_sd = 1;
ee12b079 86:a26f5f22631d 408 for (int i = 0; i < 16; i++) {
ee12b079 86:a26f5f22631d 409 spi.write(0xFF);
ee12b079 86:a26f5f22631d 410 }
ee12b079 194:ab528911780d 411 uint8_t R1_response = cmd(0,0);
ee12b079 194:ab528911780d 412 gPC.printf("0x%02X",R1_response);
ee12b079 86:a26f5f22631d 413 // send CMD0, should return with all zeros except IDLE STATE set (bit 0)
ee12b079 194:ab528911780d 414 if (R1_response != R1_IDLE_STATE) {
ee12b079 86:a26f5f22631d 415 debug("No disk, or could not put SD card in to spi idle state\r\n");
ee12b079 86:a26f5f22631d 416 return SDCARD_FAIL;
samp1234 343:204497974293 417 }
samp1234 343:204497974293 418 else
samp1234 343:204497974293 419 gPC.puts("SD Card is in IDLE state\n\r");
ee12b079 86:a26f5f22631d 420
ee12b079 194:ab528911780d 421 // send CMD8 to determine whther it is ver 2.x
ee12b079 86:a26f5f22631d 422 int r = cmd8();
ee12b079 86:a26f5f22631d 423 if (r == R1_IDLE_STATE) {
ee12b079 194:ab528911780d 424 gPC.puts("Entering V2\r");
ee12b079 194:ab528911780d 425 int q = initialise_card_v2();
ee12b079 194:ab528911780d 426 return q;
ee12b079 86:a26f5f22631d 427
ee12b079 86:a26f5f22631d 428 } else if (r == (R1_IDLE_STATE | R1_ILLEGAL_COMMAND)) {
ee12b079 194:ab528911780d 429 gPC.puts("Entering V1");
ee12b079 86:a26f5f22631d 430 return initialise_card_v1();
ee12b079 86:a26f5f22631d 431
ee12b079 86:a26f5f22631d 432 } else {
ee12b079 86:a26f5f22631d 433 debug("\rNot in idle state after sending CMD8 (not an SD card?)\r\n");
ee12b079 86:a26f5f22631d 434 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 435 }
ee12b079 86:a26f5f22631d 436 }
ee12b079 86:a26f5f22631d 437
ee12b079 86:a26f5f22631d 438 int initialise_card_v1()
ee12b079 86:a26f5f22631d 439 {
ee12b079 86:a26f5f22631d 440 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 441 cmd(55, 0);
ee12b079 86:a26f5f22631d 442 if (cmd(41, 0) == 0) {
ee12b079 96:4ca92f9775e0 443 gPC.puts("\rv1 initialization successfull\r\n");
ee12b079 86:a26f5f22631d 444 cdv = 512;
ee12b079 86:a26f5f22631d 445 debug_if(SD_DBG, "\n\rInit: SEDCARD_V1\n\r");
ee12b079 86:a26f5f22631d 446 return SDCARD_V1;
ee12b079 86:a26f5f22631d 447 }
ee12b079 86:a26f5f22631d 448 }
ee12b079 86:a26f5f22631d 449
ee12b079 86:a26f5f22631d 450 debug("\rTimeout waiting for v1.x card\r\n");
ee12b079 86:a26f5f22631d 451 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 452 }
ee12b079 86:a26f5f22631d 453
ee12b079 86:a26f5f22631d 454
ee12b079 86:a26f5f22631d 455 int initialise_card_v2()
ee12b079 86:a26f5f22631d 456 {
ee12b079 86:a26f5f22631d 457 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 458 wait_ms(50);
ee12b079 86:a26f5f22631d 459 cmd58();
ee12b079 86:a26f5f22631d 460 cmd(55, 0);
ee12b079 86:a26f5f22631d 461 if (cmd(41, 0x40000000) == 0) {
ee12b079 194:ab528911780d 462 if (DEBUG)
ee12b079 194:ab528911780d 463 gPC.puts("\rv2 initialization successfull\r\n");
ee12b079 86:a26f5f22631d 464 cmd58();
ee12b079 86:a26f5f22631d 465 debug_if(SD_DBG, "\n\rInit: SDCARD_V2\n\r");
ee12b079 86:a26f5f22631d 466 cdv = 1;
ee12b079 322:7d906d34aaff 467 FCTN_SD_MNGR();
ee12b079 86:a26f5f22631d 468 return SDCARD_V2;
ee12b079 86:a26f5f22631d 469 }
ee12b079 86:a26f5f22631d 470 }
ee12b079 86:a26f5f22631d 471
ee12b079 86:a26f5f22631d 472 debug("\rTimeout waiting for v2.x card\r\n");
ee12b079 86:a26f5f22631d 473 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 474 }
ee12b079 86:a26f5f22631d 475
ee12b079 86:a26f5f22631d 476 int cmd(int cmd, int arg)
ee12b079 86:a26f5f22631d 477 {
ee12b079 86:a26f5f22631d 478 cs_sd = 0;
ee12b079 86:a26f5f22631d 479
ee12b079 86:a26f5f22631d 480 // send a command
ee12b079 86:a26f5f22631d 481 spi.write(0x40 | cmd);
ee12b079 86:a26f5f22631d 482 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 483 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 484 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 485 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 486 spi.write(0x95);
ee12b079 86:a26f5f22631d 487
ee12b079 86:a26f5f22631d 488 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 489 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 490 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 491 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 492 cs_sd = 1;
ee12b079 86:a26f5f22631d 493 spi.write(0xFF);
ee12b079 86:a26f5f22631d 494 return response;
ee12b079 86:a26f5f22631d 495 }
ee12b079 86:a26f5f22631d 496 }
ee12b079 86:a26f5f22631d 497 cs_sd = 1;
ee12b079 86:a26f5f22631d 498 spi.write(0xFF);
ee12b079 86:a26f5f22631d 499 return -1; // timeout
ee12b079 86:a26f5f22631d 500 }
ee12b079 86:a26f5f22631d 501
ee12b079 86:a26f5f22631d 502
ee12b079 86:a26f5f22631d 503 int cmd58()
ee12b079 86:a26f5f22631d 504 {
ee12b079 86:a26f5f22631d 505 cs_sd = 0;
ee12b079 86:a26f5f22631d 506 int arg = 0;
ee12b079 86:a26f5f22631d 507
ee12b079 86:a26f5f22631d 508 // send a command
ee12b079 86:a26f5f22631d 509 spi.write(0x40 | 58);
ee12b079 86:a26f5f22631d 510 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 511 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 512 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 513 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 514 spi.write(0x95);
ee12b079 86:a26f5f22631d 515
ee12b079 86:a26f5f22631d 516 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 517 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 518 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 519 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 520 int ocr = spi.write(0xFF) << 24;
ee12b079 86:a26f5f22631d 521 ocr |= spi.write(0xFF) << 16;
ee12b079 86:a26f5f22631d 522 ocr |= spi.write(0xFF) << 8;
ee12b079 86:a26f5f22631d 523 ocr |= spi.write(0xFF) << 0;
ee12b079 86:a26f5f22631d 524 cs_sd = 1;
ee12b079 86:a26f5f22631d 525 spi.write(0xFF);
ee12b079 86:a26f5f22631d 526 return response;
ee12b079 86:a26f5f22631d 527 }
ee12b079 86:a26f5f22631d 528 }
ee12b079 86:a26f5f22631d 529 cs_sd = 1;
ee12b079 86:a26f5f22631d 530 spi.write(0xFF);
ee12b079 86:a26f5f22631d 531 return -1; // timeout
ee12b079 86:a26f5f22631d 532 }
ee12b079 86:a26f5f22631d 533
ee12b079 86:a26f5f22631d 534
ee12b079 86:a26f5f22631d 535 int cmd8()
ee12b079 86:a26f5f22631d 536 {
ee12b079 86:a26f5f22631d 537 cs_sd = 0;
ee12b079 86:a26f5f22631d 538
ee12b079 86:a26f5f22631d 539 // send a command
ee12b079 86:a26f5f22631d 540 spi.write(0x40 | 8); // CMD8
ee12b079 86:a26f5f22631d 541 spi.write(0x00); // reserved
ee12b079 86:a26f5f22631d 542 spi.write(0x00); // reserved
ee12b079 86:a26f5f22631d 543 spi.write(0x01); // 3.3v
ee12b079 86:a26f5f22631d 544 spi.write(0xAA); // check pattern
ee12b079 86:a26f5f22631d 545 spi.write(0x87); // crc
ee12b079 86:a26f5f22631d 546
ee12b079 86:a26f5f22631d 547 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 548 for (int i = 0; i < SD_COMMAND_TIMEOUT * 1000; i++) {
ee12b079 86:a26f5f22631d 549 char response[5];
ee12b079 86:a26f5f22631d 550 response[0] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 551 if (!(response[0] & 0x80)) {
ee12b079 86:a26f5f22631d 552 for (int j = 1; j < 5; j++) {
ee12b079 86:a26f5f22631d 553 response[i] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 554 }
ee12b079 86:a26f5f22631d 555 cs_sd = 1;
ee12b079 86:a26f5f22631d 556 spi.write(0xFF);
ee12b079 86:a26f5f22631d 557 return response[0];
ee12b079 86:a26f5f22631d 558 }
ee12b079 86:a26f5f22631d 559 }
ee12b079 86:a26f5f22631d 560 cs_sd = 1;
ee12b079 86:a26f5f22631d 561 spi.write(0xFF);
ee12b079 86:a26f5f22631d 562 return -1; // timeout
ee12b079 86:a26f5f22631d 563 }
ee12b079 86:a26f5f22631d 564
ee12b079 86:a26f5f22631d 565 uint64_t sd_sectors()
ee12b079 86:a26f5f22631d 566 {
ee12b079 86:a26f5f22631d 567 uint32_t c_size, c_size_mult, read_bl_len;
ee12b079 86:a26f5f22631d 568 uint32_t block_len, mult, blocknr, capacity;
ee12b079 86:a26f5f22631d 569 uint32_t hc_c_size;
ee12b079 86:a26f5f22631d 570 uint64_t blocks;
ee12b079 86:a26f5f22631d 571
ee12b079 86:a26f5f22631d 572 // CMD9, Response R2 (R1 byte + 16-byte block read)
ee12b079 86:a26f5f22631d 573 if (cmdx(9, 0) != 0) {
ee12b079 86:a26f5f22631d 574 debug("\rDidn't get a response from the disk\n");
ee12b079 86:a26f5f22631d 575 return 0;
ee12b079 86:a26f5f22631d 576 }
ee12b079 86:a26f5f22631d 577
ee12b079 86:a26f5f22631d 578 uint8_t cs_sdd[16];
ee12b079 86:a26f5f22631d 579 if (read(cs_sdd, 16) != 0) {
ee12b079 86:a26f5f22631d 580 debug("\rCouldn't read cs_sdd response from disk\n");
ee12b079 86:a26f5f22631d 581 return 0;
ee12b079 86:a26f5f22631d 582 }
ee12b079 86:a26f5f22631d 583
ee12b079 86:a26f5f22631d 584 // cs_sdd_structure : cs_sdd[127:126]
ee12b079 86:a26f5f22631d 585 // c_size : cs_sdd[73:62]
ee12b079 86:a26f5f22631d 586 // c_size_mult : cs_sdd[49:47]
ee12b079 86:a26f5f22631d 587 // read_bl_len : cs_sdd[83:80] - the *maximum* read block length
ee12b079 86:a26f5f22631d 588
ee12b079 86:a26f5f22631d 589 int cs_sdd_structure = ext_bits(cs_sdd, 127, 126);
ee12b079 86:a26f5f22631d 590
ee12b079 86:a26f5f22631d 591 switch (cs_sdd_structure) {
ee12b079 86:a26f5f22631d 592 case 0:
ee12b079 86:a26f5f22631d 593 cdv = 512;
ee12b079 86:a26f5f22631d 594 c_size = ext_bits(cs_sdd, 73, 62);
ee12b079 86:a26f5f22631d 595 c_size_mult = ext_bits(cs_sdd, 49, 47);
ee12b079 86:a26f5f22631d 596 read_bl_len = ext_bits(cs_sdd, 83, 80);
ee12b079 86:a26f5f22631d 597
ee12b079 86:a26f5f22631d 598 block_len = 1 << read_bl_len;
ee12b079 86:a26f5f22631d 599 mult = 1 << (c_size_mult + 2);
ee12b079 86:a26f5f22631d 600 blocknr = (c_size + 1) * mult;
ee12b079 86:a26f5f22631d 601 capacity = blocknr * block_len;
ee12b079 86:a26f5f22631d 602 blocks = capacity / 512;
ee12b079 86:a26f5f22631d 603 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 604 break;
ee12b079 86:a26f5f22631d 605
ee12b079 86:a26f5f22631d 606 case 1:
ee12b079 86:a26f5f22631d 607 cdv = 1;
ee12b079 86:a26f5f22631d 608 hc_c_size = ext_bits(cs_sdd, 63, 48);
ee12b079 86:a26f5f22631d 609 blocks = (hc_c_size+1)*1024;
ee12b079 86:a26f5f22631d 610 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 611 break;
ee12b079 86:a26f5f22631d 612
ee12b079 86:a26f5f22631d 613 default:
ee12b079 86:a26f5f22631d 614 debug("cs_sdD struct unsupported\r\n");
ee12b079 86:a26f5f22631d 615 return 0;
ee12b079 86:a26f5f22631d 616 };
ee12b079 86:a26f5f22631d 617 return blocks;
ee12b079 86:a26f5f22631d 618 }
ee12b079 86:a26f5f22631d 619
ee12b079 86:a26f5f22631d 620 int cmdx(int cmd, int arg)
ee12b079 86:a26f5f22631d 621 {
ee12b079 86:a26f5f22631d 622 cs_sd = 0;
ee12b079 86:a26f5f22631d 623
ee12b079 86:a26f5f22631d 624 // send a command
ee12b079 86:a26f5f22631d 625 spi.write(0x40 | cmd);
ee12b079 86:a26f5f22631d 626 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 627 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 628 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 629 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 630 spi.write(0x95);
ee12b079 86:a26f5f22631d 631
ee12b079 86:a26f5f22631d 632 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 633 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 634 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 635 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 636 return response;
ee12b079 86:a26f5f22631d 637 }
ee12b079 86:a26f5f22631d 638 }
ee12b079 86:a26f5f22631d 639 cs_sd = 1;
ee12b079 86:a26f5f22631d 640 spi.write(0xFF);
ee12b079 194:ab528911780d 641 return 1; // timeout
ee12b079 86:a26f5f22631d 642 }
ee12b079 86:a26f5f22631d 643
ee12b079 86:a26f5f22631d 644 static uint32_t ext_bits(unsigned char *data, int msb, int lsb)
ee12b079 86:a26f5f22631d 645 {
ee12b079 86:a26f5f22631d 646 uint32_t bits = 0;
ee12b079 86:a26f5f22631d 647 uint32_t size = 1 + msb - lsb;
ee12b079 86:a26f5f22631d 648 for (int i = 0; i < size; i++) {
ee12b079 86:a26f5f22631d 649 uint32_t position = lsb + i;
ee12b079 86:a26f5f22631d 650 uint32_t byte = 15 - (position >> 3);
ee12b079 86:a26f5f22631d 651 uint32_t bit = position & 0x7;
ee12b079 86:a26f5f22631d 652 uint32_t value = (data[byte] >> bit) & 1;
ee12b079 86:a26f5f22631d 653 bits |= value << i;
ee12b079 86:a26f5f22631d 654 }
ee12b079 86:a26f5f22631d 655 return bits;
ee12b079 86:a26f5f22631d 656 }
ee12b079 86:a26f5f22631d 657
ee12b079 86:a26f5f22631d 658 int disk_write(const uint8_t *buffer, uint64_t block_number)
ee12b079 86:a26f5f22631d 659
ee12b079 86:a26f5f22631d 660 {
ee12b079 86:a26f5f22631d 661 // set write address for single block (CMD24)
ee12b079 86:a26f5f22631d 662 if (cmd(24, block_number * cdv) != 0) {
chaithanyarss 303:b49b486a7107 663 CDMS_WR_SD_FAULT_COUNTER++;
ee12b079 86:a26f5f22631d 664 return 1;
ee12b079 86:a26f5f22631d 665 }
samp1234 343:204497974293 666
ee12b079 209:63e9c8f8b5d2 667 uint64_t temp;
ee12b079 209:63e9c8f8b5d2 668 int r = write(buffer, 512);
samp1234 343:204497974293 669 if(r == 0 ){
ee12b079 209:63e9c8f8b5d2 670 temp = FCTN_CDMS_RD_RTC();
spacelab 313:5d06a08baf0e 671 TIME_LATEST_SD_WR = temp >> 7; //corrected by samp:TIME_LATEST_SD_WRD = temp >> 7;
ee12b079 209:63e9c8f8b5d2 672 }
ee12b079 209:63e9c8f8b5d2 673 return r;
ee12b079 86:a26f5f22631d 674 }
ee12b079 86:a26f5f22631d 675
ee12b079 86:a26f5f22631d 676 int write(const uint8_t*buffer, uint32_t length)
ee12b079 86:a26f5f22631d 677 {
ee12b079 86:a26f5f22631d 678 cs_sd = 0;
ee12b079 86:a26f5f22631d 679
ee12b079 86:a26f5f22631d 680 // indicate start of block
ee12b079 86:a26f5f22631d 681 spi.write(0xFE);
ee12b079 86:a26f5f22631d 682
ee12b079 86:a26f5f22631d 683 // write the data
ee12b079 86:a26f5f22631d 684 for (int i = 0; i < length; i++) {
ee12b079 86:a26f5f22631d 685 spi.write(buffer[i]);
ee12b079 86:a26f5f22631d 686 }
ee12b079 86:a26f5f22631d 687
ee12b079 86:a26f5f22631d 688 // write the checksum
ee12b079 86:a26f5f22631d 689 spi.write(0xFF);
ee12b079 86:a26f5f22631d 690 spi.write(0xFF);
ee12b079 86:a26f5f22631d 691
ee12b079 86:a26f5f22631d 692 // check the response token
ee12b079 86:a26f5f22631d 693 if ((spi.write(0xFF) & 0x1F) != 0x05) {
ee12b079 86:a26f5f22631d 694 cs_sd = 1;
ee12b079 86:a26f5f22631d 695 spi.write(0xFF);
chaithanyarss 303:b49b486a7107 696 CDMS_WR_SD_FAULT_COUNTER++;
ee12b079 86:a26f5f22631d 697 return 1;
ee12b079 86:a26f5f22631d 698 }
ee12b079 86:a26f5f22631d 699
ee12b079 86:a26f5f22631d 700 // wait for write to finish
ee12b079 86:a26f5f22631d 701 while (spi.write(0xFF) == 0);
ee12b079 86:a26f5f22631d 702
ee12b079 86:a26f5f22631d 703 cs_sd = 1;
ee12b079 86:a26f5f22631d 704 spi.write(0xFF);
ee12b079 86:a26f5f22631d 705 return 0;
ee12b079 86:a26f5f22631d 706 }
ee12b079 86:a26f5f22631d 707
ee12b079 86:a26f5f22631d 708 int disk_read(uint8_t *buffer, uint64_t block_number)
ee12b079 86:a26f5f22631d 709 {
ee12b079 86:a26f5f22631d 710 // set read address for single block (CMD17)
ee12b079 86:a26f5f22631d 711 if (cmd(17, block_number * cdv) != 0) {
ee12b079 209:63e9c8f8b5d2 712 SD_RD_ERROR = 1;
ee12b079 86:a26f5f22631d 713 return 1;
ee12b079 86:a26f5f22631d 714 }
ee12b079 86:a26f5f22631d 715
ee12b079 86:a26f5f22631d 716 // receive the data
ee12b079 86:a26f5f22631d 717 read(buffer, 512);
ee12b079 209:63e9c8f8b5d2 718 uint64_t temp = FCTN_CDMS_RD_RTC();
ee12b079 209:63e9c8f8b5d2 719 TIME_LATEST_SD_RD = temp >> 7;
ee12b079 86:a26f5f22631d 720 return 0;
ee12b079 86:a26f5f22631d 721 }
ee12b079 86:a26f5f22631d 722
ee12b079 86:a26f5f22631d 723 int read(uint8_t *buffer, uint32_t length)
ee12b079 86:a26f5f22631d 724 {
ee12b079 86:a26f5f22631d 725 cs_sd = 0;
ee12b079 86:a26f5f22631d 726
ee12b079 86:a26f5f22631d 727 // read until start byte (0xFF)
ee12b079 86:a26f5f22631d 728 while (spi.write(0xFF) != 0xFE);
ee12b079 86:a26f5f22631d 729
ee12b079 86:a26f5f22631d 730 // read data
ee12b079 86:a26f5f22631d 731 for (int i = 0; i < length; i++) {
ee12b079 86:a26f5f22631d 732 buffer[i] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 733 }
ee12b079 86:a26f5f22631d 734 spi.write(0xFF); // checksum
ee12b079 86:a26f5f22631d 735 spi.write(0xFF);
ee12b079 86:a26f5f22631d 736
ee12b079 86:a26f5f22631d 737 cs_sd = 1;
ee12b079 86:a26f5f22631d 738 spi.write(0xFF);
ee12b079 86:a26f5f22631d 739 return 0;
ee12b079 86:a26f5f22631d 740 }
ee12b079 86:a26f5f22631d 741
ee12b079 86:a26f5f22631d 742 int disk_erase(int startBlock, int totalBlocks)
ee12b079 86:a26f5f22631d 743 {
ee12b079 86:a26f5f22631d 744 if(cmd(32, startBlock * cdv) != 0) {
ee12b079 86:a26f5f22631d 745 return 1;
ee12b079 86:a26f5f22631d 746 }
ee12b079 86:a26f5f22631d 747 if (cmd(33, (startBlock+totalBlocks-1) * cdv) != 0) {
ee12b079 86:a26f5f22631d 748 return 1;
ee12b079 86:a26f5f22631d 749 }
ee12b079 86:a26f5f22631d 750 if (cmd(38,0) != 0) {
ee12b079 86:a26f5f22631d 751 return 1;
ee12b079 86:a26f5f22631d 752 }
samp1234 343:204497974293 753
ee12b079 86:a26f5f22631d 754 return 0; //normal return
ee12b079 209:63e9c8f8b5d2 755 }
ee12b079 209:63e9c8f8b5d2 756
ee12b079 209:63e9c8f8b5d2 757 int disk_read_statusbits(uint8_t *buffer)
ee12b079 209:63e9c8f8b5d2 758 {
ee12b079 209:63e9c8f8b5d2 759 if (cmd(17, 0) != 0) {
samp1234 343:204497974293 760 SD_RD_ERROR = 1;
ee12b079 209:63e9c8f8b5d2 761 return -1;
ee12b079 209:63e9c8f8b5d2 762 }
ee12b079 209:63e9c8f8b5d2 763
ee12b079 209:63e9c8f8b5d2 764 // receive the data
ee12b079 209:63e9c8f8b5d2 765 return read(buffer,64);
samp1234 343:204497974293 766 }