54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
#include "ti_msp_dl_config.h"
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#include <stdio.h>
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#include <string.h>
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/* ARM Compiler 6 半主机模式禁用声明 */
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#if (__ARMCC_VERSION >= 6010050)
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__asm(".global __use_no_semihosting\n\t");
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__asm(".global __ARM_use_no_argv \n\t");
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#else
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#pragma import(__use_no_semihosting)
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#endif
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FILE __stdout;
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/* 系统退出函数实现 */
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void _sys_exit(int x)
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{
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x = x;
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while(1)
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; /* 死循环防止程序异常退出 */
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}
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/* ARM Compiler 6 printf重定向实现 */
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int fputc(int c, FILE *stream)
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{
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/* 等待UART发送缓冲区就绪 */
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while(DL_UART_Main_isBusy(UART_0_INST))
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;
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/* 发送字符 */
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DL_UART_Main_transmitData(UART_0_INST, (uint8_t)c);
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return c;
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}
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int fputs(const char *restrict s, FILE *restrict stream)
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{
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uint16_t i, len;
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len = strlen(s);
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for(i = 0; i < len; i++)
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{
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fputc(s[i], stream);
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}
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return len;
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}
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int puts(const char *_ptr)
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{
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int count = fputs(_ptr, stdout);
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count += fputc('\n', stdout); /* 自动添加换行 */
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return count;
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}
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