diff options
Diffstat (limited to 'os/hal')
| -rw-r--r-- | os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.c | 18 | ||||
| -rw-r--r-- | os/hal/ports/STM32/LLD/I2Cv2/hal_i2c_lld.c | 12 |
2 files changed, 15 insertions, 15 deletions
diff --git a/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.c b/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.c index fe53809a0..20b8cf8b6 100644 --- a/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.c +++ b/os/hal/ports/STM32/LLD/I2Cv1/hal_i2c_lld.c @@ -537,18 +537,18 @@ void i2c_lld_init(void) { void i2c_lld_start(I2CDriver *i2cp) {
I2C_TypeDef *dp = i2cp->i2c;
- i2cp->txdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
- STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
- STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
- STM32_DMA_CR_DIR_M2P;
- i2cp->rxdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
- STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
- STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
- STM32_DMA_CR_DIR_P2M;
-
/* If in stopped state then enables the I2C and DMA clocks.*/
if (i2cp->state == I2C_STOP) {
+ i2cp->txdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DIR_M2P;
+ i2cp->rxdmamode = STM32_DMA_CR_PSIZE_BYTE | STM32_DMA_CR_MSIZE_BYTE |
+ STM32_DMA_CR_MINC | STM32_DMA_CR_DMEIE |
+ STM32_DMA_CR_TEIE | STM32_DMA_CR_TCIE |
+ STM32_DMA_CR_DIR_P2M;
+
#if STM32_I2C_USE_I2C1
if (&I2CD1 == i2cp) {
bool b;
diff --git a/os/hal/ports/STM32/LLD/I2Cv2/hal_i2c_lld.c b/os/hal/ports/STM32/LLD/I2Cv2/hal_i2c_lld.c index 89607d772..f2c9c95e9 100644 --- a/os/hal/ports/STM32/LLD/I2Cv2/hal_i2c_lld.c +++ b/os/hal/ports/STM32/LLD/I2Cv2/hal_i2c_lld.c @@ -672,18 +672,18 @@ void i2c_lld_init(void) { void i2c_lld_start(I2CDriver *i2cp) {
I2C_TypeDef *dp = i2cp->i2c;
-#if STM32_I2C_USE_DMA == TRUE
- /* Common DMA modes.*/
- i2cp->txdmamode = DMAMODE_COMMON | STM32_DMA_CR_DIR_M2P;
- i2cp->rxdmamode = DMAMODE_COMMON | STM32_DMA_CR_DIR_P2M;
-#endif
-
/* Make sure I2C peripheral is disabled */
dp->CR1 &= ~I2C_CR1_PE;
/* If in stopped state then enables the I2C and DMA clocks.*/
if (i2cp->state == I2C_STOP) {
+#if STM32_I2C_USE_DMA == TRUE
+ /* Common DMA modes.*/
+ i2cp->txdmamode = DMAMODE_COMMON | STM32_DMA_CR_DIR_M2P;
+ i2cp->rxdmamode = DMAMODE_COMMON | STM32_DMA_CR_DIR_P2M;
+#endif
+
#if STM32_I2C_USE_I2C1
if (&I2CD1 == i2cp) {
|