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

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linshire 2023-03-01 06:41:17 +08:00 committed by GitHub
parent 3a08336cb5
commit 4021b82161
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1 changed files with 1 additions and 1 deletions
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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)
{
return RT_EOK;
return -RT_EIO;
}
static void uart_isr(struct rt_serial_device *serial)