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Firmware/SD: Ensure SD Card is initialized in SD mode

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This commit is contained in:
Maximilian Rehkopf 2011-08-17 00:13:04 +02:00
parent 59beb7cb0c
commit f18f809cfa
1 changed files with 10 additions and 0 deletions
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10
src/sdnative.c
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@ -27,6 +27,7 @@
#define SEND_CID 10
#define STOP_TRANSMISSION 12
#define SEND_STATUS 13
#define GO_INACTIVE_STATE 15
#define SET_BLOCKLEN 16
#define READ_SINGLE_BLOCK 17
#define READ_MULTIPLE_BLOCK 18
@ -199,6 +200,7 @@ static inline void wiggle_fast_pos1(void) {
BITBAND(SD_CLKREG->FIOCLR, SD_CLKPIN) = 1;
}
int get_and_check_datacrc(uint8_t *buf) {
uint16_t crc0=0, crc1=0, crc2=0, crc3=0;
uint16_t sdcrc0=0, sdcrc1=0, sdcrc2=0, sdcrc3=0;
@ -574,6 +576,12 @@ int acmd_fast(uint8_t cmd, uint32_t param, uint8_t crc, uint8_t* dat, uint8_t* r
return cmd_fast(cmd, param, crc, dat, rsp);
}
void sdn_checkinit(BYTE drv) {
if(disk_state == DISK_CHANGED) {
disk_initialize(drv);
}
}
int stream_datablock(uint8_t *buf) {
// uint8_t datshift=8;
int j=512;
@ -843,6 +851,8 @@ DRESULT sdn_initialize(BYTE drv) {
wiggle_slow_neg(1);
}
printf("sd_init start\n");
BITBAND(SD_DAT3REG->FIODIR, SD_DAT3PIN) = 1;
BITBAND(SD_DAT3REG->FIOSET, SD_DAT3PIN) = 1;
cmd_slow(GO_IDLE_STATE, 0, 0x95, NULL, rsp);
if((rsplen=cmd_slow(SEND_IF_COND, 0x000001aa, 0x87, NULL, rsp))) {