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stm32f1: gpio: Fixed misleading comments on AFIO remaps

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Added some explantory text to some of the remap options.
This commit is contained in:
Mikael Lövqvist
2021-07-10 21:46:14 +02:00
committed by Karl Palsson
parent 12da5bbd9e
commit eb52a1a1fb
1 changed files with 13 additions and 4 deletions
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17
include/libopencm3/stm32/f1/gpio.h
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@@ -916,7 +916,16 @@ Line Devices only
/** TIM9 remapping */ /** TIM9 remapping */
#define AFIO_MAPR2_TIM9_REMAP (1 << 5) #define AFIO_MAPR2_TIM9_REMAP (1 << 5)
/** TIM1_DMA channel 1/2 remapping */ /** TIM1_DMA channel remapping */
/*
0:
TIM1_CH1 DMA - DMA1 Channel 2
TIM1_CH2 DMA - DMA1 CHannel 3
1:
TIM1_CH1 DMA - DMA1 Channel 6
TIM1_CH2 DMA - DMA1 Channel 6
*/
#define AFIO_MAPR2_TIM1_DMA_REMAP (1 << 4) #define AFIO_MAPR2_TIM1_DMA_REMAP (1 << 4)
/** CEC remapping (PB8 vs PB10) */ /** CEC remapping (PB8 vs PB10) */
@@ -925,11 +934,11 @@ Line Devices only
/** TIM17 remapping (PB9 vs PB7) */ /** TIM17 remapping (PB9 vs PB7) */
#define AFIO_MAPR2_TIM17_REMAP (1 << 2) #define AFIO_MAPR2_TIM17_REMAP (1 << 2)
/** TIM16 remapping (PB8 vs PB6) */ /** TIM16 remapping (PB8 vs PA6) */
#define AFIO_MAPR2_TIM16_REMAP (1 << 1) #define AFIO_MAPR2_TIM16_REMAP (1 << 1)
/** TIM15 remapping channels 1/2 */ /** TIM15 remapping (PA2, PA3 vs PB14, PB15) */
#define AFIO_MAPR1_TIM16_REMAP (1 << 0) #define AFIO_MAPR2_TIM15_REMAP (1 << 0)
/**@}*/ /**@}*/