mhu/stm32f4-sdio
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This commit is contained in:
Mario Hüttel 2015-11-25 18:17:54 +01:00
parent 7065af6477
commit 7c937c879e
1 changed files with 8 additions and 2 deletions
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10
FATFS/shimatta_sdio_driver/shimatta_sdio-driver.c
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@ -67,7 +67,7 @@ void SDIO_DMA_Init(){
DMASTREAM->CR = DMAM2P;
//Address Conffiguration
//Memory address is set by write and read block functions
//DMASTREAM->M0AR = (uint32_t)&rxtxbuffer; //Has to be set in red/write func
//DMASTREAM->M0AR = (uint32_t)&rxtxbuffer; //Has to be set in read/write func
DMASTREAM->PAR = (uint32_t)&SDIO->FIFO; //Not sure if this works
//DMASTREAM->CR |= DMA_SxCR_EN;
@ -80,10 +80,14 @@ void SDIO_InitModule(){
//Init Alternate Functions
CLKPORT->MODER |= (2<<CLKPIN*2);
D0PORT->MODER |= (2<<D0PIN*2);
D0PORT->PUPDR |= (1<<D0PIN*2);
#if BUSWIDTH==1
D1PORT->MODER |= (2<<D1PIN*2);
D1PORT->PUPDR |= (1<<D1PIN*2);
D2PORT->MODER |= (2<<D2PIN*2);
D2PORT->PUPDR |= (1<<D2PIN*2);
D3PORT->MODER |= (2<<D3PIN*2);
D3PORT->PUPDR |= (1<<D3PIN*2);
#endif
//CLKPORT->AFR[(CLKPIN < 8 ? 0 : 1)] |= ALTFUNC << ((CLKPIN < 8 ? CLKPIN : (CLKPIN - 8)) * 4);
SETAF(CLKPORT, CLKPIN, ALTFUNC);
@ -93,6 +97,8 @@ void SDIO_InitModule(){
SETAF(D2PORT, D2PIN, ALTFUNC);
SETAF(D3PORT, D3PIN, ALTFUNC);
#endif
//Init Module
//Set CLK Control Register
@ -177,7 +183,7 @@ int SDIO_send_CMD55(){
}
int SDIO_send_ACMD41(){
int retry = 0x200;
int retry = 0x20;
if (SDIO_send_CMD55()) return -1;
do {