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我最近在研究 CC430F6137的Timer的功能
抓了網路上的範例
我發現到 當程式進入了中斷副程式之後
程式不會再跑回主程式
請問到底是哪裡出了錯誤?
感謝 懇請賜教
#include "cc430x613x.h"
void main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop WDT
P1DIR |= 0x01; // P1.0 output
TA1CCTL0 = CCIE; // CCR0 interrupt enabled
TA1CCR0 = 50000;
TA1CTL = TASSEL_2 + MC_2 + TACLR; // SMCLK, contmode, clear TAR
__bis_SR_register(LPM0_bits + GIE); // Enter LPM0, enable interrupts
__no_operation(); // For debugger
}
// Timer A0 interrupt service routine
#pragma vector=TIMER1_A0_VECTOR
__interrupt void TIMER1_A0_ISR(void)
{
P1OUT ^= 0x01; // Toggle P1.0
}
各种低功耗模式退出,建议楼主买本书看一下。
#define LPM0 _bis_SR_register(LPM0_bits) /* Enter Low Power Mode 0 */
#define LPM0_EXIT _bic_SR_register_on_exit(LPM0_bits) /* Exit Low Power Mode 0 */
#define LPM1 _bis_SR_register(LPM1_bits) /* Enter Low Power Mode 1 */
#define LPM1_EXIT _bic_SR_register_on_exit(LPM1_bits) /* Exit Low Power Mode 1 */
#define LPM2 _bis_SR_register(LPM2_bits) /* Enter Low Power Mode 2 */
#define LPM2_EXIT _bic_SR_register_on_exit(LPM2_bits) /* Exit Low Power Mode 2 */
#define LPM3 _bis_SR_register(LPM3_bits) /* Enter Low Power Mode 3 */
#define LPM3_EXIT _bic_SR_register_on_exit(LPM3_bits) /* Exit Low Power Mode 3 */
#define LPM4 _bis_SR_register(LPM4_bits) /* Enter Low Power Mode 4 */
#define LPM4_EXIT _bic_SR_register_on_exit(LPM4_bits) /* Exit Low Power Mode 4 */