while(1)
{
USART3_485command();
if(singel_auto_flag==1) //單步自動測試
{
if(sensor_num==1)
{
STMFLASH_Read(0x08044000, (u16*)USART3_485_TX_BUF17, 2);
STMFLASH_Read(0x08044800, (u16*)USART3_485_TX_BUF18, 2);
DA=(USART3_485_TX_BUF17[0]<<8)+USART3_485_TX_BUF17[1];
BP=(USART3_485_TX_BUF18[0]<<8)+USART3_485_TX_BUF18[1];
//DA=dac1;BP=bp1;
sensor_pinlvdian();}
通過上位機發送命令 置位singel_auto_flag 和sensor_num 程序有時候跑半小時就死機有時候跑4、5個小時,出現死機的現象是上位機與單片的通訊都沒有了,有沒有高手幫小弟分析一下,感激不盡哦
|