Align ChibiOS spi_master behaviour with AVR (qmk#11404)

* Align ChibiOS spi_master behaviour with AVR * Rollback `spi_transmit()` and `spi_receive()` to preserve DMA
cominchu · Jan 3, 2021 · f3ac792 · f3ac792
1 parent b3de903
commit f3ac792
Showing 1 changed file with 8 additions and 2 deletions.
diff --git 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;
 }