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Code Issues Releases Wiki Activity

STM32 - Fix SD write (#12897)

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Karl Andersson 2019-01-16 01:44:22 +01:00 committed by Scott Lahteine
parent 294521439e
commit 64a4649290
1 changed files with 4 additions and 4 deletions
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8
Marlin/src/HAL/HAL_STM32/HAL_spi_STM32.cpp
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@ -116,10 +116,9 @@ uint8_t spiRec(void) {
*/ */
void spiRead(uint8_t* buf, uint16_t nbyte) { void spiRead(uint8_t* buf, uint16_t nbyte) {
if (nbyte == 0) return; if (nbyte == 0) return;
memset(buf, 0xFF, nbyte);
SPI.beginTransaction(spiConfig); SPI.beginTransaction(spiConfig);
for (int i = 0; i < nbyte; i++) { SPI.transfer(buf, nbyte);
buf[i] = SPI.transfer(0xFF);
}
SPI.endTransaction(); SPI.endTransaction();
} }
@ -145,9 +144,10 @@ void spiSend(uint8_t b) {
* @details Use DMA * @details Use DMA
*/ */
void spiSendBlock(uint8_t token, const uint8_t* buf) { void spiSendBlock(uint8_t token, const uint8_t* buf) {
uint8_t rxBuf[512];
SPI.beginTransaction(spiConfig); SPI.beginTransaction(spiConfig);
SPI.transfer(token); SPI.transfer(token);
SPI.transfer((uint8_t*)buf, (uint8_t*)0, 512); SPI.transfer((uint8_t*)buf, &rxBuf, 512);
SPI.endTransaction(); SPI.endTransaction();
} }