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Update some comments, spacing.

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This commit is contained in:
Gregory Nutt 2019-09-28 09:55:31 -06:00
parent 0566525764
commit f4b57499c9
1 changed files with 8 additions and 0 deletions
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8
boards/arm/stm32/stm32f4discovery/include/board.h
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@ -47,11 +47,14 @@
# include <stdbool.h>
#endif
/* Do not include STM32-specific header files here */
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Clocking *************************************************************************/
/* The STM32F4 Discovery board features a single 8MHz crystal. Space is provided
* for a 32kHz RTC backup crystal, but it is not stuffed.
*
@ -190,6 +193,7 @@
#endif
/* LED definitions ******************************************************************/
/* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any
* way. The following definitions are used to access individual LEDs.
*/
@ -228,6 +232,7 @@
#define LED_PANIC 7 /* N/C + N/C + N/C + LED4 */
/* Button definitions ***************************************************************/
/* The STM32F4 Discovery supports one button: */
#define BUTTON_USER 0
@ -235,6 +240,7 @@
#define BUTTON_USER_BIT (1 << BUTTON_USER)
/* Alternate function pin selections ************************************************/
/* CAN */
#ifndef CONFIG_STM32_FSMC
@ -390,6 +396,7 @@
#endif
/* DMA Channl/Stream Selections *****************************************************/
/* Stream selections are arbitrary for now but might become important in the future
* if we set aside more DMA channels/streams.
*
@ -401,3 +408,4 @@
#define DMAMAP_SDIO DMAMAP_SDIO_1
#endif /* __BOARDS_ARM_STM32_STM32F4DISCOVERY_INCLUDE_BOARD_H */