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authorRyan <fauxpark@gmail.com>2021-01-03 14:53:53 +1100
committerGitHub <noreply@github.com>2021-01-03 14:53:53 +1100
commitf3ac792c096c10c9dd5004e6e06aad60710ef599 (patch)
treeefe140992dd6c3d0aba6534e06efbade4a608fb0 /drivers
parentb3de903a3dfe5f75312b6b8a7555ccabe01a5e6e (diff)
Align ChibiOS spi_master behaviour with AVR (#11404)
* Align ChibiOS spi_master behaviour with AVR * Rollback `spi_transmit()` and `spi_receive()` to preserve DMA
Diffstat (limited to 'drivers')
-rw-r--r--drivers/chibios/spi_master.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/chibios/spi_master.c b/drivers/chibios/spi_master.c
index 5aa60742e3..8341b59a53 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;
}