STM32F411xx allowed I2C1 DMA streams
Posted: Sat Sep 30, 2017 2:47 pm
Code limits I2C1_TX streams to 6 and 7. According to datasheet, also stream 1 is valid selection for I2C1_TX
Proposed change in STM32F411xx STM32_I2C1_TX_DMA_MSK
Proposed change in STM32F411xx STM32_I2C1_TX_DMA_MSK
Code: Select all
diff --git a/os/hal/ports/STM32/STM32F4xx/stm32_registry.h b/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
index 941deff..bff17ba 100644
--- a/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
+++ b/os/hal/ports/STM32/STM32F4xx/stm32_registry.h
@@ -1594,7 +1594,8 @@
STM32_DMA_STREAM_ID_MSK(1, 5))
#define STM32_I2C1_RX_DMA_CHN 0x00100001
#define STM32_I2C1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7) |\
- STM32_DMA_STREAM_ID_MSK(1, 6))
+ STM32_DMA_STREAM_ID_MSK(1, 6) |\
+ STM32_DMA_STREAM_ID_MSK(1, 1))
#define STM32_I2C1_TX_DMA_CHN 0x11000000
#define STM32_HAS_I2C2 TRUE