35 lines
765 B
C
35 lines
765 B
C
#ifndef __SYSCALLS_H
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#define __SYSCALLS_H
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#include <errno.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include "usart.h"
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#define HUART1 (&huart1)
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#define HUART2 (&huart2)
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// 条件编译，适配不同平台 (GNU, GCC)
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#ifdef __GNUC__
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#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
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#define GETCHAR_PROTOTYPE int __io_getchar(void)
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#else
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#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
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#define GETCHAR_PROTOTYPE int fgetc(FILE *f)
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#endif /* __GNUC__ */
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int _read(int file, char *ptr, int len);
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int _write(int file, char *ptr, int len);
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PUTCHAR_PROTOTYPE;
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GETCHAR_PROTOTYPE;
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void delay_us(uint16_t us);
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void my_printf(UART_HandleTypeDef *huart, const char *buf, ...);
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#endif
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