libs/rt-thread
libs
/
rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[bsp][imxrt1052-evk] fixed uart bug: lost interrupt configuration when re-configuring uart

This commit is contained in:
liang yongxiang 2018-08-04 17:40:42 +08:00
parent c806fa2eec
commit a800493fd8
1 changed files with 1 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
bsp/imxrt1052-evk/drivers/drv_uart.c
View File

@ -439,6 +439,7 @@ static rt_err_t imxrt_configure(struct rt_serial_device *serial, struct serial_c
config.enableRx = true; config.enableRx = true;
LPUART_Init(uart->uart_base, &config, GetUartSrcFreq()); LPUART_Init(uart->uart_base, &config, GetUartSrcFreq());
LPUART_EnableInterrupts(uart->uart_base, kLPUART_RxDataRegFullInterruptEnable);
return RT_EOK; return RT_EOK;
} }
@ -453,15 +454,11 @@ static rt_err_t imxrt_control(struct rt_serial_device *serial, int cmd, void *ar
switch (cmd) switch (cmd)
{ {
case RT_DEVICE_CTRL_CLR_INT: case RT_DEVICE_CTRL_CLR_INT:
/* disable interrupt */
LPUART_DisableInterrupts(uart->uart_base, kLPUART_RxDataRegFullInterruptEnable);
/* disable rx irq */ /* disable rx irq */
DisableIRQ(uart->irqn); DisableIRQ(uart->irqn);
break; break;
case RT_DEVICE_CTRL_SET_INT: case RT_DEVICE_CTRL_SET_INT:
/* enable interrupt */
LPUART_EnableInterrupts(uart->uart_base, kLPUART_RxDataRegFullInterruptEnable);
/* enable rx irq */ /* enable rx irq */
EnableIRQ(uart->irqn); EnableIRQ(uart->irqn);
break; break;