Align ChibiOS spi_master behaviour with AVR (#11404)
* Align ChibiOS spi_master behaviour with AVR * Rollback `spi_transmit()` and `spi_receive()` to preserve DMA
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1 changed files with 8 additions and 2 deletions
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@ -115,11 +115,17 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) {
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return true;
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}
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spi_status_t spi_write(uint8_t data) { return spi_transmit(&data, 1); }
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spi_status_t spi_write(uint8_t data) {
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uint8_t rxData;
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spiExchange(&SPI_DRIVER, 1, &data, &rxData);
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return rxData;
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}
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spi_status_t spi_read(void) {
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uint8_t data = 0;
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spi_receive(&data, 1);
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spiReceive(&SPI_DRIVER, 1, &data);
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return data;
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}
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