board.h File Reference

Peripheral MCU configuration for the Black Pill board. More...

Detailed Description

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 Use the 2nd UART for STDIO on this board.


void board_init (void)
 Initialize board specific hardware, including clock, LEDs and std-IO.

Macros for controlling the on-board LED.

#define LED0_PORT   GPIOB
#define LED0_PIN   GPIO_PIN(PORT_B, 12)
#define LED0_MASK   (1 << 12)
#define LED0_ON   (LED0_PORT->BSRR = (LED0_MASK << 16))
#define LED0_OFF   (LED0_PORT->BSRR = LED0_MASK)

xtimer configuration

#define XTIMER_WIDTH   (16)
#define XTIMER_BACKOFF   5