diff options
Diffstat (limited to 'bsp/ls1cdev/drivers/drv_uart.c')
| -rw-r--r-- | bsp/ls1cdev/drivers/drv_uart.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/bsp/ls1cdev/drivers/drv_uart.c b/bsp/ls1cdev/drivers/drv_uart.c index 4abca75654..0578eea4fc 100644 --- a/bsp/ls1cdev/drivers/drv_uart.c +++ b/bsp/ls1cdev/drivers/drv_uart.c @@ -143,6 +143,15 @@ struct rt_uart_ls1c uart1 = struct rt_serial_device serial1; #endif /* RT_USING_UART1 */ +#if defined(RT_USING_UART3) +struct rt_uart_ls1c uart3 = +{ + LS1C_UART3, + LS1C_UART3_IRQ, +}; +struct rt_serial_device serial3; +#endif /* RT_USING_UART3 */ + void rt_hw_uart_init(void) { struct rt_uart_ls1c *uart; @@ -190,5 +199,26 @@ void rt_hw_uart_init(void) uart); #endif /* RT_USING_UART1 */ +#ifdef RT_USING_UART3 + uart = &uart3; + + serial3.ops = &ls1c_uart_ops; + serial3.config = config; + + pin_set_purpose(0, PIN_PURPOSE_OTHER); + pin_set_purpose(1, PIN_PURPOSE_OTHER); + pin_set_remap(0, PIN_REMAP_FOURTH); + pin_set_remap(1, PIN_REMAP_FOURTH); + + rt_hw_interrupt_install(uart->IRQ, uart_irq_handler, &serial3, "UART3"); + + /* register UART1 device */ + rt_hw_serial_register(&serial3, + "uart3", + //RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_DMA_RX, + RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, + uart); +#endif /* RT_USING_UART3 */ + } |