57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
|
|
#ifndef __GLOBAL_H__
|
|
#define __GLOBAL_H__
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
|
|
/* The IRQ header must be included before stm32_device.h since ST defines a bunch of messy macros there. */
|
|
#include <stm32_irqs.h> /* Header generated from stm32***_startup.s in Makefile */
|
|
|
|
#include <stm32g4xx.h>
|
|
#include <core_cm4.h>
|
|
|
|
#define COUNT_OF(x) ((sizeof(x)/sizeof(0[x])) / ((size_t)(!(sizeof(x) % sizeof(0[x])))))
|
|
|
|
#define AFRL(pin, val) ((val) << ((pin)*4))
|
|
#define AFRH(pin, val) ((val) << (((pin)-8)*4))
|
|
#define AF(pin) (2<<(2*(pin)))
|
|
#define OUT(pin) (1<<(2*(pin)))
|
|
#define IN(pin) (0)
|
|
#define ANALOG(pin) (3<<(2*(pin)))
|
|
#define CLEAR(pin) (~(3<<(2*(pin))))
|
|
#define PULLUP(pin) (1<<(2*pin))
|
|
#define PULLDOWN(pin) (2<<(2*pin))
|
|
#define OSPEED(pin, val) ((val) << ((pin)*2))
|
|
#define BSRR_CLEAR(pin) ((1<<pin)<<16)
|
|
#define BSRR_SET(pin) (1<<pin)
|
|
#define BSRR_VALUE(pin, value) ((((!(value))<<pin)<<16) | ((!!(value))<<pin))
|
|
|
|
#ifndef SYSTICK_INTERVAL_US
|
|
#define SYSTICK_INTERVAL_US 1000
|
|
#endif /* SYSTICK_INTERVAL_US */
|
|
|
|
|
|
enum ErrorCode {
|
|
ERR_SUCCESS = 0,
|
|
ERR_TIMEOUT,
|
|
ERR_PHYSICAL_LAYER,
|
|
ERR_FRAMING,
|
|
ERR_PROTOCOL,
|
|
ERR_DMA,
|
|
ERR_BUSY,
|
|
ERR_BUFFER_OVERFLOW,
|
|
ERR_RX_OVERRUN,
|
|
ERR_TX_OVERRUN,
|
|
};
|
|
|
|
typedef enum ErrorCode ErrorCode;
|
|
|
|
void delay_us(int duration_us);
|
|
|
|
extern volatile uint64_t sys_time_us;
|
|
|
|
#endif /* __GLOBAL_H__ */
|