samp Srinivasan / Mbed 2 deprecated CDMS_CODE_samp_22Nov16

publishing to check changes in cdms code

Dependencies:   FreescaleIAP SimpleDMA mbed-rtos mbed

Fork of CDMS_CODE_samp_23SEP_DMA_flag by samp Srinivasan

cdms_sd.h@257:7d404e9dc9e2, 2016-07-12 (annotated)

Committer:
chaithanyarss
Date:
Tue Jul 12 17:07:17 2016 +0000
Revision:
257:7d404e9dc9e2
Parent:
209:63e9c8f8b5d2
Child:
261:1e54415b34d3
pipi;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ee12b079 86:a26f5f22631d 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
ee12b079 86:a26f5f22631d 7 #define SD_COMMAND_TIMEOUT 5000
ee12b079 86:a26f5f22631d 8
ee12b079 86:a26f5f22631d 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
ee12b079 86:a26f5f22631d 19
ee12b079 86:a26f5f22631d 20
ee12b079 86:a26f5f22631d 21 #define SD_MAX_CYCLES 10000
ee12b079 86:a26f5f22631d 22
ee12b079 194:ab528911780d 23 uint32_t SD_SCP_FIRST=1001;
ee12b079 194:ab528911780d 24 uint32_t SD_SCP_LAST=2000;
ee12b079 194:ab528911780d 25 uint32_t SD_SFF_AT_FIRST=2001;
ee12b079 194:ab528911780d 26 uint32_t SD_SFF_AT_LAST = 3000;
ee12b079 194:ab528911780d 27 uint32_t SD_SFF_BT_FIRST =3001;
ee12b079 194:ab528911780d 28 uint32_t SD_SFF_BT_LAST=4000;
ee12b079 194:ab528911780d 29 uint32_t SD_HK_ARCH_FIRST=4001;
ee12b079 194:ab528911780d 30 uint32_t SD_HK_ARCH_LAST= 5000;
ee12b079 194:ab528911780d 31 uint32_t LOG_FIRST =5001;
ee12b079 194:ab528911780d 32 uint32_t LOG_LAST=6000;
ee12b079 194:ab528911780d 33 uint32_t SD_MNG_SECT=7000;
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
ee12b079 209:63e9c8f8b5d2 45 void FCTN_SD_MNG();
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);
ee12b079 86:a26f5f22631d 59 #define SDCARD_FAIL 0
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()
ee12b079 194:ab528911780d 69 {
ee12b079 194:ab528911780d 70 int i = initialise_card();
ee12b079 194:ab528911780d 71 debug_if(SD_DBG, "init card = %d\n", i);
ee12b079 194:ab528911780d 72 sectors = sd_sectors();
ee12b079 194:ab528911780d 73
ee12b079 194:ab528911780d 74 // Set block length to 512 (CMD16)
ee12b079 194:ab528911780d 75 if (cmd(16, 512) != 0) {
ee12b079 194:ab528911780d 76 debug("\rSet 512-byte block timed out\r\n");
ee12b079 194:ab528911780d 77 return 1;
ee12b079 194:ab528911780d 78 } else {
ee12b079 194:ab528911780d 79 //printf("\rDisk initialization successfull\r\n");
ee12b079 194:ab528911780d 80 }
ee12b079 194:ab528911780d 81
ee12b079 194:ab528911780d 82 spi.frequency(1000000); // Set to 1MHz for data transfer
ee12b079 194:ab528911780d 83 return 0;
ee12b079 86:a26f5f22631d 84 }
ee12b079 86:a26f5f22631d 85
ee12b079 209:63e9c8f8b5d2 86 void FCTN_SD_MNGR()
ee12b079 86:a26f5f22631d 87 {
ee12b079 92:bce22b38c440 88 uint32_t fsc;
ee12b079 194:ab528911780d 89 uint32_t start_fsc;
ee12b079 92:bce22b38c440 90 uint8_t buffer[512];
ee12b079 92:bce22b38c440 91 int b=disk_read(buffer, SD_MNG_SECT);
ee12b079 195:6a549c0e9287 92
ee12b079 195:6a549c0e9287 93 fsc=(uint32_t)(buffer[0]<<24)+(uint32_t)(buffer[1]<<16)+(uint32_t)(buffer[2]<<8)+(uint32_t)buffer[3];
ee12b079 195:6a549c0e9287 94 start_fsc=(uint32_t)(buffer[4]<<24)+(uint32_t)(buffer[5]<<16)+(uint32_t)(buffer[6]<<8)+(uint32_t)buffer[7];
ee12b079 195:6a549c0e9287 95 FSC_CURRENT[1] = fsc;
ee12b079 195:6a549c0e9287 96 FSC_LAST[1] = start_fsc;
ee12b079 209:63e9c8f8b5d2 97
ee12b079 195:6a549c0e9287 98 fsc=(uint32_t)(buffer[8]<<24)+(uint32_t)(buffer[9]<<16)+(uint32_t)(buffer[10]<<8)+(uint32_t)buffer[11];
ee12b079 195:6a549c0e9287 99 start_fsc=(uint32_t)(buffer[12]<<24)+(uint32_t)(buffer[13]<<16)+(uint32_t)(buffer[14]<<8)+(uint32_t)buffer[15];
ee12b079 195:6a549c0e9287 100 FSC_CURRENT[2] = fsc;
ee12b079 195:6a549c0e9287 101 FSC_LAST[2] = start_fsc;
ee12b079 195:6a549c0e9287 102
ee12b079 195:6a549c0e9287 103 fsc=(uint32_t)(buffer[16]<<24)+(uint32_t)(buffer[17]<<16)+(uint32_t)(buffer[18]<<8)+(uint32_t)buffer[19];
ee12b079 195:6a549c0e9287 104 start_fsc=(uint32_t)(buffer[20]<<24)+(uint32_t)(buffer[21]<<16)+(uint32_t)(buffer[22]<<8)+(uint32_t)buffer[23];
ee12b079 195:6a549c0e9287 105 FSC_CURRENT[3] = fsc;
ee12b079 195:6a549c0e9287 106 FSC_LAST[3] = start_fsc;
ee12b079 209:63e9c8f8b5d2 107
ee12b079 195:6a549c0e9287 108 fsc=(uint32_t)(buffer[24]<<24)+(uint32_t)(buffer[25]<<16)+(uint32_t)(buffer[26]<<8)+(uint32_t)buffer[27];
ee12b079 195:6a549c0e9287 109 start_fsc=(uint32_t)(buffer[28]<<24)+(uint32_t)(buffer[29]<<16)+(uint32_t)(buffer[30]<<8)+(uint32_t)buffer[31];
ee12b079 195:6a549c0e9287 110 FSC_CURRENT[4] = fsc;
ee12b079 195:6a549c0e9287 111 FSC_LAST[4] = start_fsc;
ee12b079 209:63e9c8f8b5d2 112
ee12b079 195:6a549c0e9287 113 fsc=(uint32_t)(buffer[32]<<24)+(uint32_t)(buffer[33]<<16)+(uint32_t)(buffer[34]<<8)+(uint32_t)buffer[35];
ee12b079 195:6a549c0e9287 114 start_fsc=(uint32_t)(buffer[36]<<24)+(uint32_t)(buffer[37]<<16)+(uint32_t)(buffer[38]<<8)+(uint32_t)buffer[39];
ee12b079 195:6a549c0e9287 115 FSC_CURRENT[5] = fsc;
ee12b079 195:6a549c0e9287 116 FSC_LAST[5] = start_fsc;
ee12b079 194:ab528911780d 117 }
ee12b079 194:ab528911780d 118
ee12b079 194:ab528911780d 119 int INCREMENT_SD_LIB(uint8_t sid)
ee12b079 194:ab528911780d 120 {
ee12b079 194:ab528911780d 121 uint32_t fsc;
ee12b079 194:ab528911780d 122 uint32_t start_fsc;
ee12b079 209:63e9c8f8b5d2 123 int i;
ee12b079 194:ab528911780d 124 uint8_t buffer[512];
ee12b079 209:63e9c8f8b5d2 125 SD_MNG_SECT += SD_LIB_WRITES/(int)0xFFFF;
ee12b079 209:63e9c8f8b5d2 126 SD_LIB_WRITES = SD_LIB_WRITES%(int)0xFFFF;
ee12b079 194:ab528911780d 127 disk_read(buffer,SD_MNG_SECT);
ee12b079 194:ab528911780d 128 if(sid==0x01)
ee12b079 86:a26f5f22631d 129 {
ee12b079 194:ab528911780d 130 fsc=(uint32_t)(buffer[0]<<24)+(uint32_t)(buffer[1]<<16)+(uint32_t)(buffer[2]<<8)+(uint32_t)buffer[3];
ee12b079 194:ab528911780d 131 start_fsc=(uint32_t)(buffer[4]<<24)+(uint32_t)(buffer[5]<<16)+(uint32_t)(buffer[6]<<8)+(uint32_t)buffer[7];
ee12b079 203:424308159a56 132 fsc++;
ee12b079 194:ab528911780d 133 buffer[0]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 134 buffer[1]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 135 buffer[2]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 136 buffer[3]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 137 if(fsc > SD_SCP_LAST-SD_SCP_FIRST+1)
ee12b079 194:ab528911780d 138 {
ee12b079 194:ab528911780d 139 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 140 buffer[4]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 141 buffer[5]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 142 buffer[6]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 143 buffer[7]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 144 }
ee12b079 209:63e9c8f8b5d2 145
ee12b079 203:424308159a56 146 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 147 if(i == 0)
ee12b079 209:63e9c8f8b5d2 148 {
ee12b079 209:63e9c8f8b5d2 149 FSC_CURRENT[1] = fsc;
ee12b079 209:63e9c8f8b5d2 150 FSC_LAST[1] = start_fsc;
ee12b079 209:63e9c8f8b5d2 151 return i;
ee12b079 209:63e9c8f8b5d2 152 }
ee12b079 86:a26f5f22631d 153 }
ee12b079 194:ab528911780d 154 if(sid==0x02)
ee12b079 86:a26f5f22631d 155 {
ee12b079 92:bce22b38c440 156 fsc=(uint32_t)(buffer[8]<<24)+(uint32_t)(buffer[9]<<16)+(uint32_t)(buffer[10]<<8)+(uint32_t)buffer[11];
ee12b079 194:ab528911780d 157 start_fsc=(uint32_t)(buffer[12]<<24)+(uint32_t)(buffer[13]<<16)+(uint32_t)(buffer[14]<<8)+(uint32_t)buffer[15];
ee12b079 203:424308159a56 158 fsc++;
ee12b079 194:ab528911780d 159 buffer[8]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 160 buffer[9]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 161 buffer[10]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 162 buffer[11]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 163 if(fsc > SD_SFF_AT_LAST-SD_SFF_AT_FIRST+1)
ee12b079 194:ab528911780d 164 {
ee12b079 194:ab528911780d 165 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 166 buffer[12]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 167 buffer[13]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 168 buffer[14]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 169 buffer[15]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 170 }
ee12b079 203:424308159a56 171 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 172 if(i == 0)
ee12b079 209:63e9c8f8b5d2 173 {
ee12b079 209:63e9c8f8b5d2 174 FSC_CURRENT[2] = fsc;
ee12b079 209:63e9c8f8b5d2 175 FSC_LAST[2] = start_fsc;
ee12b079 209:63e9c8f8b5d2 176 return i;
ee12b079 209:63e9c8f8b5d2 177 }
ee12b079 86:a26f5f22631d 178 }
ee12b079 194:ab528911780d 179 if(sid==0x03)
ee12b079 86:a26f5f22631d 180 {
ee12b079 92:bce22b38c440 181 fsc=(uint32_t)(buffer[16]<<24)+(uint32_t)(buffer[17]<<16)+(uint32_t)(buffer[18]<<8)+(uint32_t)buffer[19];
ee12b079 194:ab528911780d 182 start_fsc=(uint32_t)(buffer[20]<<24)+(uint32_t)(buffer[21]<<16)+(uint32_t)(buffer[22]<<8)+(uint32_t)buffer[23];
ee12b079 203:424308159a56 183 fsc++;
ee12b079 194:ab528911780d 184 buffer[16]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 185 buffer[17]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 186 buffer[18]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 187 buffer[19]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 188 if(fsc > SD_SFF_BT_LAST-SD_SFF_BT_FIRST+1)
ee12b079 194:ab528911780d 189 {
ee12b079 194:ab528911780d 190 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 191 buffer[20]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 192 buffer[21]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 193 buffer[22]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 194 buffer[23]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 195 }
ee12b079 203:424308159a56 196 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 197 if(i == 0)
ee12b079 209:63e9c8f8b5d2 198 {
ee12b079 209:63e9c8f8b5d2 199 FSC_CURRENT[3] = fsc;
ee12b079 209:63e9c8f8b5d2 200 FSC_LAST[3] = start_fsc;
ee12b079 209:63e9c8f8b5d2 201 return i;
ee12b079 209:63e9c8f8b5d2 202 }
ee12b079 86:a26f5f22631d 203 }
ee12b079 194:ab528911780d 204 if(sid==0x04)
ee12b079 194:ab528911780d 205 {
ee12b079 194:ab528911780d 206 fsc=(uint32_t)(buffer[24]<<24)+(uint32_t)(buffer[25]<<16)+(uint32_t)(buffer[26]<<8)+(uint32_t)buffer[27];
ee12b079 194:ab528911780d 207 start_fsc=(uint32_t)(buffer[28]<<24)+(uint32_t)(buffer[29]<<16)+(uint32_t)(buffer[30]<<8)+(uint32_t)buffer[31];
ee12b079 203:424308159a56 208 fsc++;
ee12b079 194:ab528911780d 209 buffer[24]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 210 buffer[25]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 211 buffer[26]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 212 buffer[27]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 213 if(fsc > SD_HK_ARCH_LAST-SD_HK_ARCH_FIRST+1)
ee12b079 194:ab528911780d 214 {
ee12b079 194:ab528911780d 215 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 216 buffer[28]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 217 buffer[29]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 218 buffer[30]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 219 buffer[31]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 220 }
ee12b079 203:424308159a56 221 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 222 if(i == 0)
ee12b079 209:63e9c8f8b5d2 223 {
ee12b079 209:63e9c8f8b5d2 224 FSC_CURRENT[4] = fsc;
ee12b079 209:63e9c8f8b5d2 225 FSC_LAST[4] = start_fsc;
ee12b079 209:63e9c8f8b5d2 226 return i;
ee12b079 209:63e9c8f8b5d2 227 }
ee12b079 194:ab528911780d 228 }
ee12b079 194:ab528911780d 229 if(sid==0x05)
ee12b079 194:ab528911780d 230 {
ee12b079 194:ab528911780d 231 fsc=(uint32_t)(buffer[32]<<24)+(uint32_t)(buffer[33]<<16)+(uint32_t)(buffer[34]<<8)+(uint32_t)buffer[35];
ee12b079 194:ab528911780d 232 start_fsc=(uint32_t)(buffer[36]<<24)+(uint32_t)(buffer[37]<<16)+(uint32_t)(buffer[38]<<8)+(uint32_t)buffer[39];
ee12b079 203:424308159a56 233 fsc++;
ee12b079 194:ab528911780d 234 buffer[32]=(uint8_t) (fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 235 buffer[33]=(uint8_t) (fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 236 buffer[34]=(uint8_t) (fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 237 buffer[35]=(uint8_t) (fsc & 0xFF);
ee12b079 194:ab528911780d 238 if(fsc > LOG_LAST-LOG_FIRST+1)
ee12b079 194:ab528911780d 239 {
ee12b079 194:ab528911780d 240 start_fsc = start_fsc+1;
ee12b079 194:ab528911780d 241 buffer[36]=(uint8_t) (start_fsc>>24 & 0xFF);
ee12b079 194:ab528911780d 242 buffer[37]=(uint8_t) (start_fsc>>16 & 0xFF);
ee12b079 194:ab528911780d 243 buffer[38]=(uint8_t) (start_fsc>>8 & 0xFF);
ee12b079 194:ab528911780d 244 buffer[39]=(uint8_t) (start_fsc & 0xFF);
ee12b079 194:ab528911780d 245 }
ee12b079 203:424308159a56 246 i = disk_write(buffer,SD_MNG_SECT);
ee12b079 209:63e9c8f8b5d2 247 if(i == 0)
ee12b079 209:63e9c8f8b5d2 248 {
ee12b079 209:63e9c8f8b5d2 249 FSC_CURRENT[5] = fsc;
ee12b079 209:63e9c8f8b5d2 250 FSC_LAST[5] = start_fsc;
ee12b079 209:63e9c8f8b5d2 251 return i;
ee12b079 209:63e9c8f8b5d2 252 }
ee12b079 194:ab528911780d 253 }
ee12b079 194:ab528911780d 254 return -1;
ee12b079 86:a26f5f22631d 255 }
ee12b079 86:a26f5f22631d 256
ee12b079 86:a26f5f22631d 257
ee12b079 92:bce22b38c440 258 int SD_WRITE(uint8_t* buffer,uint32_t fsc,uint8_t sid)
ee12b079 86:a26f5f22631d 259 {
ee12b079 86:a26f5f22631d 260 uint32_t block_number;
ee12b079 194:ab528911780d 261 int result = 10;
ee12b079 194:ab528911780d 262 if(sid==0x01)
ee12b079 86:a26f5f22631d 263 {
ee12b079 194:ab528911780d 264 //block_number=SD_SCP_FIRST+(fsc%(SD_SCP_LAST-SD_SCP_FIRST+1))-1;
ee12b079 92:bce22b38c440 265 block_number=SD_SCP_FIRST+fsc;
ee12b079 86:a26f5f22631d 266 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 267 if(result == 0)
ee12b079 209:63e9c8f8b5d2 268 {
ee12b079 209:63e9c8f8b5d2 269 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 270 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 271 }
ee12b079 194:ab528911780d 272 return result;
ee12b079 194:ab528911780d 273 }
ee12b079 194:ab528911780d 274 if(sid==0x02)
ee12b079 194:ab528911780d 275 {
ee12b079 194:ab528911780d 276 //block_number= SD_SFF_AT_FIRST+(fsc%(SD_SFF_AT_LAST - SD_SFF_AT_FIRST+1))-1;
ee12b079 194:ab528911780d 277 block_number= SD_SFF_AT_FIRST+fsc;
ee12b079 194:ab528911780d 278 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 279 if(result == 0)
ee12b079 209:63e9c8f8b5d2 280 {
ee12b079 209:63e9c8f8b5d2 281 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 282 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 283 }
ee12b079 86:a26f5f22631d 284 return result;
ee12b079 86:a26f5f22631d 285 }
ee12b079 194:ab528911780d 286 if(sid==0x03)
ee12b079 86:a26f5f22631d 287 {
ee12b079 194:ab528911780d 288 //block_number= SD_SFF_BT_FIRST +(fsc%(SD_SFF_BT_LAST - SD_SFF_BT_FIRST +1))-1;
ee12b079 194:ab528911780d 289 block_number= SD_SFF_BT_FIRST +fsc;
ee12b079 86:a26f5f22631d 290 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 291 if(result == 0)
ee12b079 209:63e9c8f8b5d2 292 {
ee12b079 209:63e9c8f8b5d2 293 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 294 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 295 }
ee12b079 86:a26f5f22631d 296 return result;
ee12b079 86:a26f5f22631d 297 }
ee12b079 194:ab528911780d 298 if(sid==0x04)
ee12b079 86:a26f5f22631d 299 {
ee12b079 194:ab528911780d 300 //block_number=SD_HK_ARCH_FIRST +(fsc%(SD_HK_ARCH_LAST - SD_HK_ARCH_FIRST +1))-1;
ee12b079 194:ab528911780d 301 block_number=SD_HK_ARCH_FIRST +fsc;
ee12b079 86:a26f5f22631d 302 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 303 if(result == 0)
ee12b079 209:63e9c8f8b5d2 304 {
ee12b079 209:63e9c8f8b5d2 305 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 306 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 307 }
ee12b079 86:a26f5f22631d 308 return result;
ee12b079 86:a26f5f22631d 309 }
ee12b079 194:ab528911780d 310 if(sid==0x05)
ee12b079 86:a26f5f22631d 311 {
ee12b079 194:ab528911780d 312 //block_number= LOG_FIRST +(fsc%(LOG_FIRST - LOG_FIRST +1))-1;
ee12b079 194:ab528911780d 313 block_number= LOG_FIRST +fsc;
ee12b079 86:a26f5f22631d 314 result= disk_write(buffer,block_number);
ee12b079 194:ab528911780d 315 if(result == 0)
ee12b079 209:63e9c8f8b5d2 316 {
ee12b079 209:63e9c8f8b5d2 317 if(INCREMENT_SD_LIB(sid) == 0)
ee12b079 209:63e9c8f8b5d2 318 SD_LIB_WRITES++;
ee12b079 209:63e9c8f8b5d2 319 }
ee12b079 86:a26f5f22631d 320 return result;
ee12b079 86:a26f5f22631d 321 }
ee12b079 86:a26f5f22631d 322 return 1;
ee12b079 86:a26f5f22631d 323 }
ee12b079 86:a26f5f22631d 324
ee12b079 195:6a549c0e9287 325 uint8_t SD_READ(uint8_t* buffer,uint32_t fsc,uint8_t sid)
ee12b079 86:a26f5f22631d 326 {
ee12b079 195:6a549c0e9287 327 FCTN_SD_MNGR();
ee12b079 209:63e9c8f8b5d2 328 uint32_t block_number;
ee12b079 209:63e9c8f8b5d2 329 int result;
ee12b079 195:6a549c0e9287 330 if(SD_SW_EN_DS == 1)
ee12b079 195:6a549c0e9287 331 return 0x89;
ee12b079 194:ab528911780d 332 if(sid==0x01)
ee12b079 86:a26f5f22631d 333 {
ee12b079 195:6a549c0e9287 334 if(!(FSC_LAST[1]<=fsc && fsc<=FSC_CURRENT[1])){
ee12b079 195:6a549c0e9287 335 return 0x86;
ee12b079 195:6a549c0e9287 336 }
ee12b079 92:bce22b38c440 337 block_number=SD_SCP_FIRST + fsc;
ee12b079 86:a26f5f22631d 338 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 339 }
ee12b079 194:ab528911780d 340 else if(sid==0x02)
ee12b079 86:a26f5f22631d 341 {
ee12b079 195:6a549c0e9287 342 if(!(FSC_LAST[2]<=fsc && fsc<=FSC_CURRENT[2])){
ee12b079 195:6a549c0e9287 343 return 0x86;
ee12b079 195:6a549c0e9287 344 }
ee12b079 86:a26f5f22631d 345 block_number=SD_SFF_AT_FIRST + fsc;
ee12b079 86:a26f5f22631d 346 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 347 }
ee12b079 194:ab528911780d 348 else if(sid==0x03)
ee12b079 86:a26f5f22631d 349 {
ee12b079 195:6a549c0e9287 350 if(!(FSC_LAST[3]<=fsc && fsc<=FSC_CURRENT[3])){
ee12b079 195:6a549c0e9287 351 return 0x86;
ee12b079 195:6a549c0e9287 352 }
ee12b079 86:a26f5f22631d 353 block_number=SD_SFF_BT_FIRST + fsc;
ee12b079 86:a26f5f22631d 354 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 355 }
ee12b079 194:ab528911780d 356 else if(sid==0x04)
ee12b079 86:a26f5f22631d 357 {
ee12b079 195:6a549c0e9287 358 if(!(FSC_LAST[4]<=fsc && fsc<=FSC_CURRENT[4])){
ee12b079 195:6a549c0e9287 359 return 0x86;
ee12b079 195:6a549c0e9287 360 }
ee12b079 86:a26f5f22631d 361 block_number=SD_HK_ARCH_FIRST + fsc;
ee12b079 86:a26f5f22631d 362 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 363 }
ee12b079 194:ab528911780d 364 else if(sid==0x05)
ee12b079 86:a26f5f22631d 365 {
ee12b079 195:6a549c0e9287 366 if(!(FSC_LAST[5]<=fsc && fsc<=FSC_CURRENT[5])){
ee12b079 195:6a549c0e9287 367 return 0x86;
ee12b079 195:6a549c0e9287 368 }
ee12b079 86:a26f5f22631d 369 block_number=LOG_FIRST +fsc;
ee12b079 86:a26f5f22631d 370 result= disk_read(buffer,block_number);
ee12b079 86:a26f5f22631d 371 }
ee12b079 86:a26f5f22631d 372 else
ee12b079 86:a26f5f22631d 373 {
ee12b079 195:6a549c0e9287 374 return 0x02;
ee12b079 86:a26f5f22631d 375 }
ee12b079 195:6a549c0e9287 376 if(result == 0)
ee12b079 195:6a549c0e9287 377 return 0xA0;
ee12b079 195:6a549c0e9287 378 else
ee12b079 195:6a549c0e9287 379 return 0x88;
ee12b079 86:a26f5f22631d 380 }
ee12b079 86:a26f5f22631d 381
ee12b079 86:a26f5f22631d 382
ee12b079 86:a26f5f22631d 383 int initialise_card()
ee12b079 86:a26f5f22631d 384 {
ee12b079 86:a26f5f22631d 385 // Set to 100kHz for initialisation, and clock card with cs_sd = 1
ee12b079 86:a26f5f22631d 386 spi.frequency(100000); // changed on 31 12 2015 to 1 MHz
ee12b079 86:a26f5f22631d 387 cs_sd = 1;
ee12b079 86:a26f5f22631d 388 for (int i = 0; i < 16; i++) {
ee12b079 86:a26f5f22631d 389 spi.write(0xFF);
ee12b079 86:a26f5f22631d 390 }
ee12b079 194:ab528911780d 391 uint8_t R1_response = cmd(0,0);
ee12b079 194:ab528911780d 392 gPC.printf("0x%02X",R1_response);
ee12b079 86:a26f5f22631d 393 // send CMD0, should return with all zeros except IDLE STATE set (bit 0)
ee12b079 194:ab528911780d 394 if (R1_response != R1_IDLE_STATE) {
ee12b079 86:a26f5f22631d 395 debug("No disk, or could not put SD card in to spi idle state\r\n");
ee12b079 86:a26f5f22631d 396 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 397 }
ee12b079 194:ab528911780d 398 else
ee12b079 194:ab528911780d 399 gPC.puts("SD Card is in IDLE state\n\r");
ee12b079 86:a26f5f22631d 400
ee12b079 194:ab528911780d 401 // send CMD8 to determine whther it is ver 2.x
ee12b079 86:a26f5f22631d 402 int r = cmd8();
ee12b079 86:a26f5f22631d 403 if (r == R1_IDLE_STATE) {
ee12b079 194:ab528911780d 404 gPC.puts("Entering V2\r");
ee12b079 194:ab528911780d 405 int q = initialise_card_v2();
ee12b079 194:ab528911780d 406 return q;
ee12b079 86:a26f5f22631d 407
ee12b079 86:a26f5f22631d 408 } else if (r == (R1_IDLE_STATE | R1_ILLEGAL_COMMAND)) {
ee12b079 194:ab528911780d 409 gPC.puts("Entering V1");
ee12b079 86:a26f5f22631d 410 return initialise_card_v1();
ee12b079 86:a26f5f22631d 411
ee12b079 86:a26f5f22631d 412 } else {
ee12b079 86:a26f5f22631d 413 debug("\rNot in idle state after sending CMD8 (not an SD card?)\r\n");
ee12b079 86:a26f5f22631d 414 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 415 }
ee12b079 86:a26f5f22631d 416 }
ee12b079 86:a26f5f22631d 417
ee12b079 86:a26f5f22631d 418 int initialise_card_v1()
ee12b079 86:a26f5f22631d 419 {
ee12b079 86:a26f5f22631d 420 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 421 cmd(55, 0);
ee12b079 86:a26f5f22631d 422 if (cmd(41, 0) == 0) {
ee12b079 96:4ca92f9775e0 423 gPC.puts("\rv1 initialization successfull\r\n");
ee12b079 86:a26f5f22631d 424 cdv = 512;
ee12b079 86:a26f5f22631d 425 debug_if(SD_DBG, "\n\rInit: SEDCARD_V1\n\r");
ee12b079 86:a26f5f22631d 426
ee12b079 86:a26f5f22631d 427 return SDCARD_V1;
ee12b079 86:a26f5f22631d 428 }
ee12b079 86:a26f5f22631d 429 }
ee12b079 86:a26f5f22631d 430
ee12b079 86:a26f5f22631d 431 debug("\rTimeout waiting for v1.x card\r\n");
ee12b079 86:a26f5f22631d 432 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 433 }
ee12b079 86:a26f5f22631d 434
ee12b079 86:a26f5f22631d 435
ee12b079 86:a26f5f22631d 436 int initialise_card_v2()
ee12b079 86:a26f5f22631d 437 {
ee12b079 86:a26f5f22631d 438 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 439 wait_ms(50);
ee12b079 86:a26f5f22631d 440 cmd58();
ee12b079 86:a26f5f22631d 441 cmd(55, 0);
ee12b079 86:a26f5f22631d 442 if (cmd(41, 0x40000000) == 0) {
ee12b079 194:ab528911780d 443 if (DEBUG)
ee12b079 194:ab528911780d 444 gPC.puts("\rv2 initialization successfull\r\n");
ee12b079 86:a26f5f22631d 445 cmd58();
ee12b079 86:a26f5f22631d 446 debug_if(SD_DBG, "\n\rInit: SDCARD_V2\n\r");
ee12b079 86:a26f5f22631d 447 cdv = 1;
ee12b079 86:a26f5f22631d 448 return SDCARD_V2;
ee12b079 86:a26f5f22631d 449 }
ee12b079 86:a26f5f22631d 450 }
ee12b079 86:a26f5f22631d 451
ee12b079 86:a26f5f22631d 452 debug("\rTimeout waiting for v2.x card\r\n");
ee12b079 86:a26f5f22631d 453 return SDCARD_FAIL;
ee12b079 86:a26f5f22631d 454 }
ee12b079 86:a26f5f22631d 455
ee12b079 86:a26f5f22631d 456 int cmd(int cmd, int arg)
ee12b079 86:a26f5f22631d 457 {
ee12b079 86:a26f5f22631d 458 cs_sd = 0;
ee12b079 86:a26f5f22631d 459
ee12b079 86:a26f5f22631d 460 // send a command
ee12b079 86:a26f5f22631d 461 spi.write(0x40 | cmd);
ee12b079 86:a26f5f22631d 462 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 463 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 464 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 465 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 466 spi.write(0x95);
ee12b079 86:a26f5f22631d 467
ee12b079 86:a26f5f22631d 468 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 469 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 470 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 471 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 472 cs_sd = 1;
ee12b079 86:a26f5f22631d 473 spi.write(0xFF);
ee12b079 86:a26f5f22631d 474 return response;
ee12b079 86:a26f5f22631d 475 }
ee12b079 86:a26f5f22631d 476 }
ee12b079 86:a26f5f22631d 477 cs_sd = 1;
ee12b079 86:a26f5f22631d 478 spi.write(0xFF);
ee12b079 86:a26f5f22631d 479 return -1; // timeout
ee12b079 86:a26f5f22631d 480 }
ee12b079 86:a26f5f22631d 481
ee12b079 86:a26f5f22631d 482
ee12b079 86:a26f5f22631d 483 int cmd58()
ee12b079 86:a26f5f22631d 484 {
ee12b079 86:a26f5f22631d 485 cs_sd = 0;
ee12b079 86:a26f5f22631d 486 int arg = 0;
ee12b079 86:a26f5f22631d 487
ee12b079 86:a26f5f22631d 488 // send a command
ee12b079 86:a26f5f22631d 489 spi.write(0x40 | 58);
ee12b079 86:a26f5f22631d 490 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 491 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 492 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 493 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 494 spi.write(0x95);
ee12b079 86:a26f5f22631d 495
ee12b079 86:a26f5f22631d 496 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 497 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 498 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 499 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 500 int ocr = spi.write(0xFF) << 24;
ee12b079 86:a26f5f22631d 501 ocr |= spi.write(0xFF) << 16;
ee12b079 86:a26f5f22631d 502 ocr |= spi.write(0xFF) << 8;
ee12b079 86:a26f5f22631d 503 ocr |= spi.write(0xFF) << 0;
ee12b079 86:a26f5f22631d 504 cs_sd = 1;
ee12b079 86:a26f5f22631d 505 spi.write(0xFF);
ee12b079 86:a26f5f22631d 506 return response;
ee12b079 86:a26f5f22631d 507 }
ee12b079 86:a26f5f22631d 508 }
ee12b079 86:a26f5f22631d 509 cs_sd = 1;
ee12b079 86:a26f5f22631d 510 spi.write(0xFF);
ee12b079 86:a26f5f22631d 511 return -1; // timeout
ee12b079 86:a26f5f22631d 512 }
ee12b079 86:a26f5f22631d 513
ee12b079 86:a26f5f22631d 514
ee12b079 86:a26f5f22631d 515 int cmd8()
ee12b079 86:a26f5f22631d 516 {
ee12b079 86:a26f5f22631d 517 cs_sd = 0;
ee12b079 86:a26f5f22631d 518
ee12b079 86:a26f5f22631d 519 // send a command
ee12b079 86:a26f5f22631d 520 spi.write(0x40 | 8); // CMD8
ee12b079 86:a26f5f22631d 521 spi.write(0x00); // reserved
ee12b079 86:a26f5f22631d 522 spi.write(0x00); // reserved
ee12b079 86:a26f5f22631d 523 spi.write(0x01); // 3.3v
ee12b079 86:a26f5f22631d 524 spi.write(0xAA); // check pattern
ee12b079 86:a26f5f22631d 525 spi.write(0x87); // crc
ee12b079 86:a26f5f22631d 526
ee12b079 86:a26f5f22631d 527 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 528 for (int i = 0; i < SD_COMMAND_TIMEOUT * 1000; i++) {
ee12b079 86:a26f5f22631d 529 char response[5];
ee12b079 86:a26f5f22631d 530 response[0] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 531 if (!(response[0] & 0x80)) {
ee12b079 86:a26f5f22631d 532 for (int j = 1; j < 5; j++) {
ee12b079 86:a26f5f22631d 533 response[i] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 534 }
ee12b079 86:a26f5f22631d 535 cs_sd = 1;
ee12b079 86:a26f5f22631d 536 spi.write(0xFF);
ee12b079 86:a26f5f22631d 537 return response[0];
ee12b079 86:a26f5f22631d 538 }
ee12b079 86:a26f5f22631d 539 }
ee12b079 86:a26f5f22631d 540 cs_sd = 1;
ee12b079 86:a26f5f22631d 541 spi.write(0xFF);
ee12b079 86:a26f5f22631d 542 return -1; // timeout
ee12b079 86:a26f5f22631d 543 }
ee12b079 86:a26f5f22631d 544
ee12b079 86:a26f5f22631d 545 uint64_t sd_sectors()
ee12b079 86:a26f5f22631d 546 {
ee12b079 86:a26f5f22631d 547 uint32_t c_size, c_size_mult, read_bl_len;
ee12b079 86:a26f5f22631d 548 uint32_t block_len, mult, blocknr, capacity;
ee12b079 86:a26f5f22631d 549 uint32_t hc_c_size;
ee12b079 86:a26f5f22631d 550 uint64_t blocks;
ee12b079 86:a26f5f22631d 551
ee12b079 86:a26f5f22631d 552 // CMD9, Response R2 (R1 byte + 16-byte block read)
ee12b079 86:a26f5f22631d 553 if (cmdx(9, 0) != 0) {
ee12b079 86:a26f5f22631d 554 debug("\rDidn't get a response from the disk\n");
ee12b079 86:a26f5f22631d 555 return 0;
ee12b079 86:a26f5f22631d 556 }
ee12b079 86:a26f5f22631d 557
ee12b079 86:a26f5f22631d 558 uint8_t cs_sdd[16];
ee12b079 86:a26f5f22631d 559 if (read(cs_sdd, 16) != 0) {
ee12b079 86:a26f5f22631d 560 debug("\rCouldn't read cs_sdd response from disk\n");
ee12b079 86:a26f5f22631d 561 return 0;
ee12b079 86:a26f5f22631d 562 }
ee12b079 86:a26f5f22631d 563
ee12b079 86:a26f5f22631d 564 // cs_sdd_structure : cs_sdd[127:126]
ee12b079 86:a26f5f22631d 565 // c_size : cs_sdd[73:62]
ee12b079 86:a26f5f22631d 566 // c_size_mult : cs_sdd[49:47]
ee12b079 86:a26f5f22631d 567 // read_bl_len : cs_sdd[83:80] - the *maximum* read block length
ee12b079 86:a26f5f22631d 568
ee12b079 86:a26f5f22631d 569 int cs_sdd_structure = ext_bits(cs_sdd, 127, 126);
ee12b079 86:a26f5f22631d 570
ee12b079 86:a26f5f22631d 571 switch (cs_sdd_structure) {
ee12b079 86:a26f5f22631d 572 case 0:
ee12b079 86:a26f5f22631d 573 cdv = 512;
ee12b079 86:a26f5f22631d 574 c_size = ext_bits(cs_sdd, 73, 62);
ee12b079 86:a26f5f22631d 575 c_size_mult = ext_bits(cs_sdd, 49, 47);
ee12b079 86:a26f5f22631d 576 read_bl_len = ext_bits(cs_sdd, 83, 80);
ee12b079 86:a26f5f22631d 577
ee12b079 86:a26f5f22631d 578 block_len = 1 << read_bl_len;
ee12b079 86:a26f5f22631d 579 mult = 1 << (c_size_mult + 2);
ee12b079 86:a26f5f22631d 580 blocknr = (c_size + 1) * mult;
ee12b079 86:a26f5f22631d 581 capacity = blocknr * block_len;
ee12b079 86:a26f5f22631d 582 blocks = capacity / 512;
ee12b079 86:a26f5f22631d 583 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 584 break;
ee12b079 86:a26f5f22631d 585
ee12b079 86:a26f5f22631d 586 case 1:
ee12b079 86:a26f5f22631d 587 cdv = 1;
ee12b079 86:a26f5f22631d 588 hc_c_size = ext_bits(cs_sdd, 63, 48);
ee12b079 86:a26f5f22631d 589 blocks = (hc_c_size+1)*1024;
ee12b079 86:a26f5f22631d 590 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 591 break;
ee12b079 86:a26f5f22631d 592
ee12b079 86:a26f5f22631d 593 default:
ee12b079 86:a26f5f22631d 594 debug("cs_sdD struct unsupported\r\n");
ee12b079 86:a26f5f22631d 595 return 0;
ee12b079 86:a26f5f22631d 596 };
ee12b079 86:a26f5f22631d 597 return blocks;
ee12b079 86:a26f5f22631d 598 }
ee12b079 86:a26f5f22631d 599
ee12b079 86:a26f5f22631d 600 int cmdx(int cmd, int arg)
ee12b079 86:a26f5f22631d 601 {
ee12b079 86:a26f5f22631d 602 cs_sd = 0;
ee12b079 86:a26f5f22631d 603
ee12b079 86:a26f5f22631d 604 // send a command
ee12b079 86:a26f5f22631d 605 spi.write(0x40 | cmd);
ee12b079 86:a26f5f22631d 606 spi.write(arg >> 24);
ee12b079 86:a26f5f22631d 607 spi.write(arg >> 16);
ee12b079 86:a26f5f22631d 608 spi.write(arg >> 8);
ee12b079 86:a26f5f22631d 609 spi.write(arg >> 0);
ee12b079 86:a26f5f22631d 610 spi.write(0x95);
ee12b079 86:a26f5f22631d 611
ee12b079 86:a26f5f22631d 612 // wait for the repsonse (response[7] == 0)
ee12b079 86:a26f5f22631d 613 for (int i = 0; i < SD_COMMAND_TIMEOUT; i++) {
ee12b079 86:a26f5f22631d 614 int response = spi.write(0xFF);
ee12b079 86:a26f5f22631d 615 if (!(response & 0x80)) {
ee12b079 86:a26f5f22631d 616 return response;
ee12b079 86:a26f5f22631d 617 }
ee12b079 86:a26f5f22631d 618 }
ee12b079 86:a26f5f22631d 619 cs_sd = 1;
ee12b079 86:a26f5f22631d 620 spi.write(0xFF);
ee12b079 194:ab528911780d 621 return 1; // timeout
ee12b079 86:a26f5f22631d 622 }
ee12b079 86:a26f5f22631d 623
ee12b079 86:a26f5f22631d 624 static uint32_t ext_bits(unsigned char *data, int msb, int lsb)
ee12b079 86:a26f5f22631d 625 {
ee12b079 86:a26f5f22631d 626 uint32_t bits = 0;
ee12b079 86:a26f5f22631d 627 uint32_t size = 1 + msb - lsb;
ee12b079 86:a26f5f22631d 628 for (int i = 0; i < size; i++) {
ee12b079 86:a26f5f22631d 629 uint32_t position = lsb + i;
ee12b079 86:a26f5f22631d 630 uint32_t byte = 15 - (position >> 3);
ee12b079 86:a26f5f22631d 631 uint32_t bit = position & 0x7;
ee12b079 86:a26f5f22631d 632 uint32_t value = (data[byte] >> bit) & 1;
ee12b079 86:a26f5f22631d 633 bits |= value << i;
ee12b079 86:a26f5f22631d 634 }
ee12b079 86:a26f5f22631d 635 return bits;
ee12b079 86:a26f5f22631d 636 }
ee12b079 86:a26f5f22631d 637
ee12b079 86:a26f5f22631d 638 int disk_write(const uint8_t *buffer, uint64_t block_number)
ee12b079 86:a26f5f22631d 639
ee12b079 86:a26f5f22631d 640 {
ee12b079 86:a26f5f22631d 641 // set write address for single block (CMD24)
ee12b079 86:a26f5f22631d 642 if (cmd(24, block_number * cdv) != 0) {
ee12b079 86:a26f5f22631d 643 return 1;
ee12b079 86:a26f5f22631d 644 }
ee12b079 209:63e9c8f8b5d2 645
ee12b079 209:63e9c8f8b5d2 646 uint64_t temp;
ee12b079 209:63e9c8f8b5d2 647 int r = write(buffer, 512);
ee12b079 209:63e9c8f8b5d2 648 if(r == 0 ){
ee12b079 209:63e9c8f8b5d2 649 temp = FCTN_CDMS_RD_RTC();
ee12b079 209:63e9c8f8b5d2 650 TIME_LATEST_SD_RD = temp >> 7;
ee12b079 209:63e9c8f8b5d2 651 }
ee12b079 209:63e9c8f8b5d2 652 return r;
ee12b079 86:a26f5f22631d 653 }
ee12b079 86:a26f5f22631d 654
ee12b079 86:a26f5f22631d 655 int write(const uint8_t*buffer, uint32_t length)
ee12b079 86:a26f5f22631d 656 {
ee12b079 86:a26f5f22631d 657 cs_sd = 0;
ee12b079 86:a26f5f22631d 658
ee12b079 86:a26f5f22631d 659 // indicate start of block
ee12b079 86:a26f5f22631d 660 spi.write(0xFE);
ee12b079 86:a26f5f22631d 661
ee12b079 86:a26f5f22631d 662 // write the data
ee12b079 86:a26f5f22631d 663 for (int i = 0; i < length; i++) {
ee12b079 86:a26f5f22631d 664 spi.write(buffer[i]);
ee12b079 86:a26f5f22631d 665 }
ee12b079 86:a26f5f22631d 666
ee12b079 86:a26f5f22631d 667 // write the checksum
ee12b079 86:a26f5f22631d 668 spi.write(0xFF);
ee12b079 86:a26f5f22631d 669 spi.write(0xFF);
ee12b079 86:a26f5f22631d 670
ee12b079 86:a26f5f22631d 671 // check the response token
ee12b079 86:a26f5f22631d 672 if ((spi.write(0xFF) & 0x1F) != 0x05) {
ee12b079 86:a26f5f22631d 673 cs_sd = 1;
ee12b079 86:a26f5f22631d 674 spi.write(0xFF);
ee12b079 86:a26f5f22631d 675 return 1;
ee12b079 86:a26f5f22631d 676 }
ee12b079 86:a26f5f22631d 677
ee12b079 86:a26f5f22631d 678 // wait for write to finish
ee12b079 86:a26f5f22631d 679 while (spi.write(0xFF) == 0);
ee12b079 86:a26f5f22631d 680
ee12b079 86:a26f5f22631d 681 cs_sd = 1;
ee12b079 86:a26f5f22631d 682 spi.write(0xFF);
ee12b079 86:a26f5f22631d 683 return 0;
ee12b079 86:a26f5f22631d 684 }
ee12b079 86:a26f5f22631d 685
ee12b079 86:a26f5f22631d 686 int disk_read(uint8_t *buffer, uint64_t block_number)
ee12b079 86:a26f5f22631d 687 {
ee12b079 86:a26f5f22631d 688 // set read address for single block (CMD17)
ee12b079 86:a26f5f22631d 689 if (cmd(17, block_number * cdv) != 0) {
ee12b079 209:63e9c8f8b5d2 690 SD_RD_ERROR = 1;
ee12b079 86:a26f5f22631d 691 return 1;
ee12b079 86:a26f5f22631d 692 }
ee12b079 86:a26f5f22631d 693
ee12b079 86:a26f5f22631d 694 // receive the data
ee12b079 86:a26f5f22631d 695 read(buffer, 512);
ee12b079 209:63e9c8f8b5d2 696 uint64_t temp = FCTN_CDMS_RD_RTC();
ee12b079 209:63e9c8f8b5d2 697 TIME_LATEST_SD_RD = temp >> 7;
ee12b079 86:a26f5f22631d 698 return 0;
ee12b079 86:a26f5f22631d 699 }
ee12b079 86:a26f5f22631d 700
ee12b079 86:a26f5f22631d 701 int read(uint8_t *buffer, uint32_t length)
ee12b079 86:a26f5f22631d 702 {
ee12b079 86:a26f5f22631d 703 cs_sd = 0;
ee12b079 86:a26f5f22631d 704
ee12b079 86:a26f5f22631d 705 // read until start byte (0xFF)
ee12b079 86:a26f5f22631d 706 while (spi.write(0xFF) != 0xFE);
ee12b079 86:a26f5f22631d 707
ee12b079 86:a26f5f22631d 708 // read data
ee12b079 86:a26f5f22631d 709 for (int i = 0; i < length; i++) {
ee12b079 86:a26f5f22631d 710 buffer[i] = spi.write(0xFF);
ee12b079 86:a26f5f22631d 711 }
ee12b079 86:a26f5f22631d 712 spi.write(0xFF); // checksum
ee12b079 86:a26f5f22631d 713 spi.write(0xFF);
ee12b079 86:a26f5f22631d 714
ee12b079 86:a26f5f22631d 715 cs_sd = 1;
ee12b079 86:a26f5f22631d 716 spi.write(0xFF);
ee12b079 86:a26f5f22631d 717 return 0;
ee12b079 86:a26f5f22631d 718 }
ee12b079 86:a26f5f22631d 719
ee12b079 86:a26f5f22631d 720 int disk_erase(int startBlock, int totalBlocks)
ee12b079 86:a26f5f22631d 721 {
ee12b079 86:a26f5f22631d 722 if(cmd(32, startBlock * cdv) != 0) {
ee12b079 86:a26f5f22631d 723 return 1;
ee12b079 86:a26f5f22631d 724 }
ee12b079 86:a26f5f22631d 725 if (cmd(33, (startBlock+totalBlocks-1) * cdv) != 0) {
ee12b079 86:a26f5f22631d 726 return 1;
ee12b079 86:a26f5f22631d 727 }
ee12b079 86:a26f5f22631d 728 if (cmd(38,0) != 0) {
ee12b079 86:a26f5f22631d 729 return 1;
ee12b079 86:a26f5f22631d 730 }
ee12b079 86:a26f5f22631d 731
ee12b079 86:a26f5f22631d 732 return 0; //normal return
ee12b079 209:63e9c8f8b5d2 733 }
ee12b079 209:63e9c8f8b5d2 734
ee12b079 209:63e9c8f8b5d2 735 int disk_read_statusbits(uint8_t *buffer)
ee12b079 209:63e9c8f8b5d2 736 {
ee12b079 209:63e9c8f8b5d2 737 if (cmd(17, 0) != 0) {
ee12b079 209:63e9c8f8b5d2 738 SD_RD_ERROR = 1;
ee12b079 209:63e9c8f8b5d2 739 return -1;
ee12b079 209:63e9c8f8b5d2 740 }
ee12b079 209:63e9c8f8b5d2 741
ee12b079 209:63e9c8f8b5d2 742 // receive the data
ee12b079 209:63e9c8f8b5d2 743 return read(buffer,64);
ee12b079 92:bce22b38c440 744 }