各位前辈 安安
在NUC230_240_Series_BSP_CMSIS_V3.01.004\SampleCode\StdDriver\UART_TxRx_Function官方范例中
此范例最后只启动uart的中断,没启动NVIC的IRQ 中断请求,中断功能正常,想问看看各位大大为何可以如此写?谢谢大家!
/* Enable Interrupt and install the call back function */
UART_EnableInt(UART0, (UART_IER_RDA_IEN_Msk | UART_IER_THRE_IEN_Msk | UART_IER_TOUT_IEN_Msk));
while(g_bWait);
/* Enable Interrupt and install the call back function */
UART_EnableInt(UART0, (UART_IER_RDA_IEN_Msk | UART_IER_THRE_IEN_Msk | UART_IER_TOUT_IEN_Msk));
NVIC_EnableIRQ(UART02_IRQn);
while(g_bWait);
|