int main(void)
{
SysTick_Init();
RCC_Init();
USART2_Init();
InitRF();
Tag_Init();
//send_alive_cmd_to_master();
IWDG_Init();
while(1)
{
if(sysTime1ms % 50 == 0)
{
Feed_IWDG();
}
usart_msg_handle();
if(tag_check_flag)
{
Tag_state_check();
tag_check_flag = 0;
}
SendWakeMsg();
}
}
//Initialize system
void Init()
{
unsigned int i;
IFG1 &= ~OFIFG;
// Stop watchdog timer to prevent time out reset
WDTCTL = WDTPW + WDTHOLD;
//Adjust DCO frequency
// //DCOCTL = DCO0 + DOC1 +DOC2;
// DCOCTL = 0x80;
// BCSCTL1 = XT2OFF + RSEL0 + RSEL1 + RSEL2;
// BCSCTL2 = 0;
//调整DCO的频率
DCOCTL = 0xE0;
//切换MCLK到外部高速晶振(需要检测是否起振)
//BCSCTL1 &= ~XT2OFF; //启动高速晶振
BCSCTL1 = RSEL0 + RSEL1 + RSEL2;
do
{
//清除振荡器失效标志位，再延迟检查
IFG1 &= ~OFIFG;
for (i = 0; i < 1000; i++)
{
__no_operation();
}
} while (IFG1 & OFIFG);
//使用XT2, SMCLK = MCLK = 8MHz
BCSCTL2 = SELM1 + SELS;
//允许外部振荡器失效后，重启系统
IE1 |= OFIE;
InitPort();
InitUART();
InitADC();
InitSPI();
InitRF();
InitSensors();
InitTimer();
ShutdownModule();
}
