硬件结构是M0A21<---------->UART0<----------->MCU2
我先关闭UART0以及中断，然后关闭MCU2的供电，这时候有概率导致M0A21重启
#if 1
//关闭UART0
UART_Close(UART0);
NVIC_DisableIRQ(UART0_IRQn);
NVIC_SetPriority(UART0_IRQn, 0); //0:highest priority 3:lowest priority
#endif
//关闭mcu2供电
CLOSE_DVR_POWER;
//拉低mcu2 reset脚
CLOSE_TP68XX_RESET; |
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