tanban/bsp/log/bsp_log.c

35 lines
671 B
C

#include "bsp_log.h"
#include "SEGGER_RTT.h"
#include "SEGGER_RTT_Conf.h"
#include <stdio.h>
void BSPLogInit()
{
SEGGER_RTT_Init();
}
int PrintLog(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
int n = SEGGER_RTT_vprintf(BUFFER_INDEX, fmt, &args); // 一次可以开启多个buffer(多个终端),我们只用一个
va_end(args);
return n;
}
void Float2Str(char *str, float va)
{
int flag = va < 0;
int head = (int)va;
int point = (int)((va - head) * 1000);
head = abs(head);
point = abs(point);
if (flag)
sprintf(str, "-%d.%d", head, point);
else
sprintf(str, "%d.%d", head, point);
}