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

linshire 2 years ago
parent
3a08336cb5
commit
4021b82161
1 changed files with 1 additions and 1 deletions
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  1. 1 1
      bsp/wch/risc-v/Libraries/ch32_drivers/drv_usart.c

+ 1 - 1
bsp/wch/risc-v/Libraries/ch32_drivers/drv_usart.c
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@@ -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)
 
 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)
 
 static void uart_isr(struct rt_serial_device *serial)