[bsp][ch32] fix the empty function ch32dma_transmit return error code as -RT_EIO

This commit is contained in:
linshire
2023-02-28 17:41:17 -05:00
committed by GitHub
parent 3a08336cb5
commit 4021b82161
@@ -345,7 +345,7 @@ static int ch32_getc(struct rt_serial_device *serial)
static rt_ssize_t ch32dma_transmit(struct rt_serial_device *serial, rt_uint8_t *buf, rt_size_t size, int direction)
{
return RT_EOK;
return -RT_EIO;
}
static void uart_isr(struct rt_serial_device *serial)