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authorUwe Hermann2011-11-10 22:15:45 +0100
committerUwe Hermann2011-11-10 22:15:45 +0100
commit46f90a54ae3f8fb7ba417f202e899e8d69946b84 (patch)
tree7dbb647818bfd65f1bd8d9212316a47c827d8d48 /include/libopencm3/stm32/f4
parente797fd978ba6362378fa5351df88b5f814e08e65 (diff)
STM32F2/F4: SPI fixes.
- Rename SPI_CR2_FRF_TI to SPI_CR2_FRF_TI_MODE to match datasheet. - Rename SPI_CR2_FRF_MOTOROLA to SPI_CR2_FRF_MOTOROLA_MODE (see above). - Fix SPI_CR2_FRF_MOTOROLA_MODE bit definition, must be (0 << 4). - Change SPI_SR_RXNE to SPI_SR_TIFRFE; this was probably a copy-paste error. Also, the bit definition is (1 << 8).
Diffstat (limited to 'include/libopencm3/stm32/f4')
-rw-r--r--include/libopencm3/stm32/f4/spi.h15
1 files changed, 8 insertions, 7 deletions
diff --git a/include/libopencm3/stm32/f4/spi.h b/include/libopencm3/stm32/f4/spi.h
index 0d29e67..e87ed6c 100644
--- a/include/libopencm3/stm32/f4/spi.h
+++ b/include/libopencm3/stm32/f4/spi.h
@@ -23,20 +23,21 @@
#include <libopencm3/stm32/spi.h>
/*
- * This file extends the version in stm_common with definitions only
- * applicable to the STM32F2 series of devices.
+ * This file extends the common STM32 version with definitions only
+ * applicable to the STM32F4 series of devices.
*/
/* --- SPI_CR2 values ------------------------------------------------------ */
-/* FRF: Frame format. */
+/* FRF: Frame format */
+/* Note: Not used in I2S mode. */
#define SPI_CR2_FRF (1 << 4)
-#define SPI_CR2_FRF_TI (1 << 4)
-#define SPI_CR2_FRF_MOTOROLA (1 << 4)
+#define SPI_CR2_FRF_MOTOROLA_MODE (0 << 4)
+#define SPI_CR2_FRF_TI_MODE (1 << 4)
/* --- SPI_SR values ------------------------------------------------------- */
-/* TIFRFE: TI frame format error. */
-#define SPI_SR_RXNE (1 << 0)
+/* TIFRFE: TI frame format error */
+#define SPI_SR_TIFRFE (1 << 8)
#endif