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STM32F1: Fix SDIO read errors (#18228)

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Sergey1560 2020-06-09 03:59:44 +03:00 committed by GitHub
parent 63c280a6ca
commit bcf7ac7483
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 2 deletions
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20
Marlin/src/HAL/STM32F1/sdio.cpp
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@ -101,8 +101,24 @@ bool SDIO_ReadBlock_DMA(uint32_t blockAddress, uint8_t *data) {
return false;
}
while (!SDIO_GET_FLAG(SDIO_STA_DATAEND | SDIO_STA_TRX_ERROR_FLAGS)) {}
while (!SDIO_GET_FLAG(SDIO_STA_DATAEND | SDIO_STA_TRX_ERROR_FLAGS)) { /* wait */ }
//If there were SDIO errors, do not wait DMA.
if (SDIO->STA & SDIO_STA_TRX_ERROR_FLAGS) {
SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
return false;
}
//Wait for DMA transaction to complete
while ((DMA2_BASE->ISR & (DMA_ISR_TEIF4|DMA_ISR_TCIF4)) == 0 ) { /* wait */ }
if (DMA2_BASE->ISR & DMA_ISR_TEIF4) {
dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
return false;
}
dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
if (SDIO->STA & SDIO_STA_RXDAVL) {
@ -146,7 +162,7 @@ bool SDIO_WriteBlock(uint32_t blockAddress, const uint8_t *data) {
sdio_setup_transfer(SDIO_DATA_TIMEOUT * (F_CPU / 1000U), 512U, SDIO_BLOCKSIZE_512 | SDIO_DCTRL_DMAEN | SDIO_DCTRL_DTEN);
while (!SDIO_GET_FLAG(SDIO_STA_DATAEND | SDIO_STA_TRX_ERROR_FLAGS)) {}
while (!SDIO_GET_FLAG(SDIO_STA_DATAEND | SDIO_STA_TRX_ERROR_FLAGS)) { /* wait */ }
dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);