[ch32][bsp] fix warning: rt_size_t to rt_ssize_t
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@ -343,7 +343,7 @@ static int ch32_getc(struct rt_serial_device *serial)
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return ch;
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return ch;
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}
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}
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rt_size_t ch32dma_transmit(struct rt_serial_device *serial, rt_uint8_t *buf, rt_size_t size, int direction)
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static rt_ssize_t ch32dma_transmit(struct rt_serial_device *serial, rt_uint8_t *buf, rt_size_t size, int direction)
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{
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{
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return RT_EOK;
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return RT_EOK;
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}
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}
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