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STM32L4 DMA: Correct bad channel definition.

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This commit is contained in:
Sebastien Lorquet 2017-04-12 10:25:51 -06:00 committed by Gregory Nutt
parent d9b1b3f824
commit dc2890904d
1 changed files with 7 additions and 2 deletions
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9
arch/arm/src/stm32l4/chip/stm32l4x6xx_dma.h
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@ -306,7 +306,12 @@
#define STM32L4_DMA2_CHAN6 (12)
#define STM32L4_DMA2_CHAN7 (13)
#define DMACHAN_SETTING(chan, sel) ( ( ( (sel) & 0xff) << 8) | ( (chan) & 0xff) )
/* DMA Channel settings include a channel and an alternative function.
* Channel is in bits 0..7
* Request number is in bits 8..15
*/
#define DMACHAN_SETTING(chan, req) ((((req) & 0xff) << 8) | ((chan) & 0xff))
#define DMACHAN_SETTING_CHANNEL_MASK 0x00FF
#define DMACHAN_SETTING_CHANNEL_SHIFT (0)
#define DMACHAN_SETTING_FUNCTION_MASK 0xFF00
@ -384,7 +389,7 @@
#define DMACHAN_SPI1_RX_1 DMACHAN_SETTING(STM32L4_DMA1_CHAN2, 1)
#define DMACHAN_SPI1_RX_2 DMACHAN_SETTING(STM32L4_DMA2_CHAN3, 4)
#define DMACHAN_SPI1_TX_1 DMACHAN_SETTING(STM32L4_DMA1_CHAN3, 0)
#define DMACHAN_SPI1_TX_1 DMACHAN_SETTING(STM32L4_DMA1_CHAN3, 1)
#define DMACHAN_SPI1_TX_2 DMACHAN_SETTING(STM32L4_DMA2_CHAN4, 4)
#define DMACHAN_SPI2_RX DMACHAN_SETTING(STM32L4_DMA1_CHAN4, 1)