[ch32][bsp] fix warning: rt_size_t to rt_ssize_t

2023-02-26 02:50:33 +08:00 · 2023-02-26 02:50:33 +08:00 · e63e33a3c6
parent 12f0df9279
commit e63e33a3c6
1 changed files with 1 additions and 1 deletions
--- a/bsp/wch/risc-v/Libraries/ch32_drivers/drv_usart.c
+++ b/bsp/wch/risc-v/Libraries/ch32_drivers/drv_usart.c
@ -343,7 +343,7 @@ static int ch32_getc(struct rt_serial_device *serial)
    return ch;
 }

-rt_size_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;
 }