stm32程序运行时间 简单测试记录

int main(void) 
{
    
    const char *topics[] = {"HelloNUAA"};------------------------------------------0.3us
    
    uint8_t Key = 4;---------------------------------------------------------------0.03us
    
    uint8_t str[] = "2018.05.22";--------------------------------------------------0.25us
    
    uint8_t MeasurementTimeH, MeasurementTimeL;        
    
    int8_t tryTimes = 3;-----------------------------------------------------------0.01us
    
    uint8_t* RecvBuf = (uint8_t*)malloc(sizeof(uint8_t) * USART3_RXLen);----------1.08us
    
    unsigned short timeCount = 599;-----------------------------------------------0.03us
    
    unsigned char *dataPtr = NULL;------------------------------------------------0.01us
    
    Hardware_Init();------------------------------------------------------------1.72981ms
    
    ESP8266_Init();-------------------------------------------------------------5.36145538s
    

   。。。。。。。。。

Keil精确测量代码运行时间

https://blog.csdn.net/qlexcel/article/details/56281667