From f3ac792c096c10c9dd5004e6e06aad60710ef599 Mon Sep 17 00:00:00 2001 From: Ryan Date: Sun, 3 Jan 2021 14:53:53 +1100 Subject: [PATCH] Align ChibiOS spi_master behaviour with AVR (#11404) * Align ChibiOS spi_master behaviour with AVR * Rollback `spi_transmit()` and `spi_receive()` to preserve DMA --- drivers/chibios/spi_master.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/chibios/spi_master.c b/drivers/chibios/spi_master.c index 5aa60742e32..8341b59a532 100644 --- a/drivers/chibios/spi_master.c +++ b/drivers/chibios/spi_master.c @@ -115,11 +115,17 @@ bool spi_start(pin_t slavePin, bool lsbFirst, uint8_t mode, uint16_t divisor) { return true; } -spi_status_t spi_write(uint8_t data) { return spi_transmit(&data, 1); } +spi_status_t spi_write(uint8_t data) { + uint8_t rxData; + spiExchange(&SPI_DRIVER, 1, &data, &rxData); + + return rxData; +} spi_status_t spi_read(void) { uint8_t data = 0; - spi_receive(&data, 1); + spiReceive(&SPI_DRIVER, 1, &data); + return data; }