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int main()
{
/*ÅäÖô®¿Ú1*/
GPIOA_SetBits(GPIO_Pin_9);
GPIOA_ModeCfg(GPIO_Pin_8, GPIO_ModeIN_PU); // RXD-ÅäÖÃÉÏÀÊäÈë
GPIOA_ModeCfg(GPIO_Pin_9, GPIO_ModeOut_PP_5mA);// TXD-ÅäÖÃÍÆÍìÊä³ö£¬×¢ÒâÏÈÈÃIO¿ÚÊä³ö¸ßµçƽ
UART1_DefInit();
/*ÅäÖö¨Ê±Æ÷0,¶¨Ê±Æ÷µÄʱÖÓÊÇFREQ_SYS*/
TMR0_TimerInit( 10*(FREQ_SYS/1000) ); //¶¨Ê±10ms
TMR0_ITCfg(ENABLE, TMR0_3_IT_CYC_END); //ʹÄܶ¨Ê±Æ÷ÖÜÆÚÖжÏ
NVIC_SetPriority(TMR0_IRQn,18);//ÉèÖÃÖжÏÓÅÏȼ¶(Ò²¿ÉÒÔ²»ÉèÖÃ,ĬÈÏ3)
NVIC_EnableIRQ( TMR0_IRQn );
while(1)
{
}
}
/*TMR0ÖÜÆÚÖжÏ*/
void TMR0_IRQHandler( void )
{
if( TMR0_GetITFlag( TMR0_3_IT_CYC_END ) )
{
TMR0_ClearITFlag( TMR0_3_IT_CYC_END );
PRINT("1\r\n");//´òÓ¡Òý½Å״̬
}
}