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-rw-r--r--bsp/gd32e230k-start/drivers/drv_usart.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/bsp/gd32e230k-start/drivers/drv_usart.c b/bsp/gd32e230k-start/drivers/drv_usart.c
index c49684de4b..bf1f6b68a7 100644
--- a/bsp/gd32e230k-start/drivers/drv_usart.c
+++ b/bsp/gd32e230k-start/drivers/drv_usart.c
@@ -131,7 +131,7 @@ void gd32_uart_gpio_init(struct gd32_uart *uart)
/* connect port to USARTx_Rx */
gpio_af_set(uart->rx_port, uart->rx_af, uart->rx_pin);
- gpio_mode_set(uart->rx_port, GPIO_MODE_INPUT, GPIO_PUPD_NONE, uart->rx_pin);
+ gpio_mode_set(uart->rx_port, GPIO_MODE_AF, GPIO_PUPD_NONE, uart->rx_pin);
gpio_output_options_set(uart->rx_port, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, uart->rx_pin);
NVIC_SetPriority(uart->irqn, 0);