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[gd32][uart] Add GD32VW553 series UART driver support (#11147)
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Browse Source 
* feat(gd32): add GD32VW55x series USART driver support

- Add support for GD32VW55x series UART/USART peripherals
- Implement proper GPIO alternate function configuration for GD32VW55x
- Add conditional compilation for different GD32 series (GD32VF103V vs GD32VW55x)
- Remove unused UART3/UART4 configurations from Kconfig

* Update drv_usart.c

* Update drv_usart.h follow AI Review.

* Update bsp/gd32/risc-v/libraries/gd32_drivers/drv_usart.c

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* feat: optimize gd32 uart driver error messages

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
haitaoZhang
2026-02-05 22:14:48 +08:00
committed by GitHub
parent 25b6953501
commit 1254af44f2
3 changed files with 67 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
bsp/gd32/risc-v/gd32vw553h-eval/board/Kconfig
View File

@@ -56,26 +56,6 @@ menu "On-chip Peripheral Drivers"
depends on BSP_USING_UART2
select RT_SERIAL_USING_DMA
default n
config BSP_USING_UART3
bool "Enable UART3"
default n
config BSP_UART3_RX_USING_DMA
bool "Enable UART3 RX DMA"
depends on BSP_USING_UART3
select RT_SERIAL_USING_DMA
default n
config BSP_USING_UART4
bool "Enable UART4"
default n
config BSP_UART4_RX_USING_DMA
bool "Enable UART4 RX DMA"
depends on BSP_USING_UART4
select RT_SERIAL_USING_DMA
default n
endif
menuconfig BSP_USING_PWM

68
bsp/gd32/risc-v/libraries/gd32_drivers/drv_usart.c
View File

@@ -7,6 +7,7 @@
* Date Author Notes
* 2021-08-20 BruceOu first implementation
* 2025-07-11 Wangshun adapt to GD32VV553H
* 2026-01-22 HaitaoZhang adapt to GD32VW553H UART1/2
*/
#include "drv_usart.h"
@@ -45,6 +46,7 @@ void USART0_IRQHandler(void)
#if defined(BSP_USING_UART1)
struct rt_serial_device serial1;
#if defined (SOC_SERIES_GD32VF103V)
void USART1_IRQHandler(void)
{
/* enter interrupt */
@@ -55,12 +57,27 @@ void USART1_IRQHandler(void)
/* leave interrupt */
rt_interrupt_leave();
}
#elif defined (SOC_SERIES_GD32VW55x)
void UART1_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
GD32_UART_IRQHandler(&serial1);
/* leave interrupt */
rt_interrupt_leave();
}
#else
#error "Uart1 ISR name not compatible with current MCU series"
#endif
#endif /* BSP_USING_UART1 */
#if defined(BSP_USING_UART2)
struct rt_serial_device serial2;
#if defined (SOC_SERIES_GD32VF103V)
void USART2_IRQHandler(void)
{
/* enter interrupt */
@@ -71,6 +88,20 @@ void USART2_IRQHandler(void)
/* leave interrupt */
rt_interrupt_leave();
}
#elif defined (SOC_SERIES_GD32VW55x)
void UART2_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
GD32_UART_IRQHandler(&serial2);
/* leave interrupt */
rt_interrupt_leave();
}
#else
#error "Uart2 ISR name not compatible with current MCU series"
#endif
#endif /* BSP_USING_UART2 */
@@ -161,6 +192,9 @@ static const struct gd32_uart uart_obj[] = {
RCU_USART0, RCU_GPIOB, RCU_GPIOA, /* periph clock, tx gpio clock, rt gpio clock */
GPIOB, GPIO_PIN_15, /* tx port, tx pin */
GPIOA, GPIO_PIN_8, /* rx port, rx pin */
#if defined (SOC_SERIES_GD32VW55x)
GPIO_AF_8, GPIO_AF_2,
#endif
&serial0,
"uart0",
},
@@ -168,11 +202,22 @@ static const struct gd32_uart uart_obj[] = {
#ifdef BSP_USING_UART1
{
#if defined (SOC_SERIES_GD32VF103V)
USART1, /* uart peripheral index */
USART1_IRQn, /* uart iqrn */
RCU_USART1, RCU_GPIOA, RCU_GPIOA, /* periph clock, tx gpio clock, rt gpio clock */
GPIOA, GPIO_PIN_2, /* tx port, tx pin */
GPIOA, GPIO_PIN_3, /* rx port, rx pin */
#elif defined (SOC_SERIES_GD32VW55x)
UART1, /* uart peripheral index */
UART1_IRQn, /* uart iqrn */
RCU_UART1, RCU_GPIOA, RCU_GPIOA, /* periph clock, tx gpio clock, rt gpio clock */
GPIOA, GPIO_PIN_2, /* tx port, tx pin */
GPIOA, GPIO_PIN_3, /* rx port, rx pin */
GPIO_AF_7, GPIO_AF_7,
#else
#error "UART1 peripheral config incompatible with current MCU series"
#endif
&serial1,
"uart1",
},
@@ -180,11 +225,22 @@ static const struct gd32_uart uart_obj[] = {
#ifdef BSP_USING_UART2
{
#if defined (SOC_SERIES_GD32VF103V)
USART2, /* uart peripheral index */
USART2_IRQn, /* uart iqrn */
RCU_USART2, RCU_GPIOB, RCU_GPIOB, /* periph clock, tx gpio clock, rt gpio clock */
GPIOB, GPIO_PIN_10, /* tx port, tx pin */
GPIOB, GPIO_PIN_11, /* rx port, rx pin */
#elif defined (SOC_SERIES_GD32VW55x)
UART2, /* uart peripheral index */
UART2_IRQn, /* uart iqrn */
RCU_UART2, RCU_GPIOA, RCU_GPIOA, /* periph clock, tx gpio clock, rt gpio clock */
GPIOA, GPIO_PIN_6, /* tx port, tx pin */
GPIOA, GPIO_PIN_7, /* rx port, rx pin */
GPIO_AF_10, GPIO_AF_8,
#else
#error "UART2 peripheral config incompatible with current MCU series"
#endif
&serial2,
"uart2",
},
@@ -233,17 +289,19 @@ void gd32_uart_gpio_init(struct gd32_uart *uart)
rcu_periph_clock_enable(uart->per_clk);
/* connect port */
#if defined SOC_SERIES_GD32VF103V
#if defined (SOC_SERIES_GD32VF103V)
gpio_init(uart->tx_port, GPIO_MODE_AF_PP, GPIO_OSPEED_50MHZ, uart->tx_pin);
gpio_init(uart->rx_port, GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, uart->rx_pin);
#else
gpio_af_set(uart->tx_port, GPIO_AF_8, uart->tx_pin);
#elif defined (SOC_SERIES_GD32VW55x)
gpio_af_set(uart->tx_port, uart->tx_alt, uart->tx_pin);
gpio_mode_set(uart->tx_port, GPIO_MODE_AF, GPIO_PUPD_PULLUP, uart->tx_pin);
gpio_output_options_set(uart->tx_port, GPIO_OTYPE_PP, GPIO_OSPEED_25MHZ, uart->tx_pin);
gpio_af_set(uart->rx_port, GPIO_AF_2, uart->rx_pin);
gpio_af_set(uart->rx_port, uart->rx_alt, uart->rx_pin);
gpio_mode_set(uart->rx_port, GPIO_MODE_AF, GPIO_PUPD_PULLUP, uart->rx_pin);
gpio_output_options_set(uart->rx_port, GPIO_OTYPE_PP, GPIO_OSPEED_25MHZ, uart->rx_pin);
#else
#error "Uart GPIO config incompatible with current MCU series"
#endif
}
@@ -328,7 +386,7 @@ static rt_err_t gd32_uart_control(struct rt_serial_device *serial, int cmd, void
break;
case RT_DEVICE_CTRL_SET_INT:
#ifdef SOC_SERIES_GD32VF103V
#if defined (SOC_SERIES_GD32VF103V)
eclic_set_nlbits(ECLIC_GROUP_LEVEL3_PRIO1);
#endif /* SOC_SERIES_GD32VF103V */
/* enable rx irq */

4
bsp/gd32/risc-v/libraries/gd32_drivers/drv_usart.h
View File

@@ -32,6 +32,10 @@ struct gd32_uart
uint16_t tx_pin; /* Todo: 4bits */
uint32_t rx_port; /* Todo: 4bits */
uint16_t rx_pin; /* Todo: 4bits */
#if defined (SOC_SERIES_GD32VW55x)
uint32_t tx_alt; /* GPIO alternate function for TX */
uint32_t rx_alt; /* GPIO alternate function for RX */
#endif
struct rt_serial_device * serial;
char *device_name;
};