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[bsp][gd32] Fix USART TX and RX GPIO initialization #11804

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[bsp][gd32] Fix USART TX and RX GPIO initialization #11804

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12 changes: 7 additions & 5 deletions bsp/gd32/arm/libraries/gd32_drivers/drv_usart.c
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,6 @@
#endif

#if defined(SOC_SERIES_GD32E50x) || defined(SOC_SERIES_GD32F10x) || defined(SOC_SERIES_GD32F20x) || defined(SOC_SERIES_GD32F30x)
#define gpio_output_options_set gpio_init
#define GPIO_OTYPE GPIO_MODE_OUT_PP
#define GPIO_OSPEED GPIO_OSPEED_50MHZ
#elif defined(SOC_SERIES_GD32H7xx) || defined(SOC_SERIES_GD32H75E)
#define GPIO_OTYPE GPIO_OTYPE_PP
Expand Down Expand Up @@ -485,14 +483,18 @@ void gd32_uart_gpio_init(struct gd32_uart *uart)
/* configure USART Tx as alternate function push-pull */
#if !defined(SOC_SERIES_GD32E50x) && !defined(SOC_SERIES_GD32F10x) && !defined(SOC_SERIES_GD32F20x) && !defined(SOC_SERIES_GD32F30x)
gpio_mode_set(tx_port, GPIO_MODE_AF, GPIO_PUPD_PULLUP, tx_pin);
#endif
gpio_output_options_set(tx_port, GPIO_OTYPE, GPIO_OSPEED, tx_pin);
#else
gpio_init(tx_port, GPIO_MODE_AF_PP, GPIO_OSPEED, tx_pin);
#endif

/* configure USART Rx as alternate function push-pull */
/* configure USART Rx as input with pull-up */
#if !defined(SOC_SERIES_GD32E50x) && !defined(SOC_SERIES_GD32F10x) && !defined(SOC_SERIES_GD32F20x) && !defined(SOC_SERIES_GD32F30x)
gpio_mode_set(rx_port, GPIO_MODE_AF, GPIO_PUPD_PULLUP, rx_pin);
#endif
gpio_output_options_set(rx_port, GPIO_OTYPE, GPIO_OSPEED, rx_pin);
#else
gpio_init(rx_port, GPIO_MODE_IPU, GPIO_OSPEED, rx_pin);
#endif

NVIC_SetPriority(uart->irqn, 0);
NVIC_EnableIRQ(uart->irqn);
Expand Down
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