mhu/stm32f4-sdio
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removed WAITPEND from CMD init, Module is able to send commands. Ready to test SD Card

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This commit is contained in:
Mario Hüttel
2017-04-03 01:35:20 +02:00
parent 00bcf66457
commit b935f93ae1
2 changed files with 23 additions and 15 deletions
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14
fatfs/shimatta_sdio_driver/shimatta_sdio.c
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@@ -179,6 +179,8 @@ void SDIO_init_hw(){
CLKPORT->MODER |= (2<<CLKPIN*2);
D0PORT->MODER |= (2<<D0PIN*2);
D0PORT->PUPDR |= (1<<D0PIN*2);
CMDPORT->MODER |= (2<<CMDPIN*2);
CMDPORT->PUPDR |= (1<<CMDPIN*2);
#if BUSWIDTH==4
D1PORT->MODER |= (2<<D1PIN*2);
D1PORT->PUPDR |= (1<<D1PIN*2);
@@ -189,6 +191,7 @@ void SDIO_init_hw(){
#endif
//CLKPORT->AFR[(CLKPIN < 8 ? 0 : 1)] |= ALTFUNC << ((CLKPIN < 8 ? CLKPIN : (CLKPIN - 8)) * 4);
SETAF(CLKPORT, CLKPIN, ALTFUNC);
SETAF(CMDPORT, CMDPIN, ALTFUNC);
SETAF(D0PORT, D0PIN, ALTFUNC);
#if BUSWIDTH==4
SETAF(D1PORT, D1PIN, ALTFUNC);
@@ -245,12 +248,15 @@ int SDIO_send_cmd(uint8_t CMD, uint32_t arg, uint8_t expectedAns){
SDIO->ICR = SDIO_ICR_CCRCFAILC | SDIO_ICR_CMDRENDC | SDIO_ICR_CTIMEOUTC | SDIO_ICR_CMDSENTC;
//Send command
SDIO->ARG = arg;
SDIO->CMD = (CMD & SDIO_CMD_CMDINDEX) | SDIO_CMD_CPSMEN | SDIO_CMD_WAITPEND | ((expectedAns << 6) & SDIO_CMD_WAITRESP);
SDIO->CMD = (CMD & SDIO_CMD_CMDINDEX) | SDIO_CMD_CPSMEN | /*SDIO_CMD_WAITPEND |*/ ((expectedAns << 6) & SDIO_CMD_WAITRESP);
return 0;
}
unsigned int debug;
void SDIO_wait_cmd_sent() {
while (!(SDIO->STA & SDIO_STA_CMDSENT));
while (!(SDIO->STA & SDIO_STA_CMDSENT))
{
debug = SDIO->STA;
}
SDIO->ICR |= SDIO_ICR_CMDSENTC;
}
@@ -361,7 +367,7 @@ int SDIO_send_relative_address_CMD3(uint16_t* rca) {
}
int SDIO_send_go_idle_CMD0() {
SDIO_send_cmd(0, 0, NO_ANS);
SDIO_send_cmd(0, 0x0, NO_ANS);
SDIO_wait_cmd_sent();
return 0;
}