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

4021b821 · linshire · GitHub · 3a08336c · 4021b821
隐藏空白更改
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Showing with 1 addition and 1 deletion

bsp/wch/risc-v/Libraries/ch32_drivers/drv_usart.c bsp/wch/risc-v/Libraries/ch32_drivers/drv_usart.c +1 -1

未找到文件。
--- a/bsp/wch/risc-v/Libraries/ch32_drivers/drv_usart.c
+++ b/bsp/wch/risc-v/Libraries/ch32_drivers/drv_usart.c
@@ -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)