board.h File Reference

Board interface: clocks, pins, the console UART, and the fatal panic path. More...

#include <stdint.h>
#include "homecore/devicetree.h"

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Macros
#define	BOARD_STRINGIFY(x)   #x
	Stringify x without macro-expanding it first.
#define	BOARD   DT_BOARD_NAME
	Board name string from board.yaml, such as "STM32VLDISCOVERY".

Functions
void	board_init (void)
	Initialize board clocks, pins, and the console UART.
uint32_t	board_cpu_clock_hz (void)
	Report the core clock frequency.
void	board_uart_putc (char c)
	Write one byte to the console UART by polling.
int	board_uart_getc (void)
	Read one byte from the console UART, blocking until one arrives.
int	board_uart_has_data (void)
	Check without blocking whether the console UART has received data.
void	board_panic (const char *msg)
	Report a fatal error and halt.

Detailed Description

Board interface: clocks, pins, the console UART, and the fatal panic path.