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rt-thread
提交 b2849ad1 编写于 作者: T tanek liang
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update usart driver

上级 07bd7af0
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bsp/gd32450z-eval/drivers/board.c
浏览文件 @ b2849ad1
...@@ -122,18 +122,13 @@ void rt_hw_board_init() ...@@ -122,18 +122,13 @@ void rt_hw_board_init()
SystemClock_Config(); SystemClock_Config();
#ifdef RT_USING_CONSOLE
rt_console_set_device(CONSOLE_DEVICE);
#endif
#ifdef RT_USING_COMPONENTS_INIT #ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init(); rt_components_board_init();
#else
SDRAM_Init();
mpu_init();
#endif #endif
#ifdef RT_USING_CONSOLE
rt_console_set_device(CONSOLE_DEVICE);
#endif
} }
/*@}*/ /*@}*/
bsp/gd32450z-eval/drivers/board.h
浏览文件 @ b2849ad1
...@@ -49,20 +49,33 @@ extern int __bss_end; ...@@ -49,20 +49,33 @@ extern int __bss_end;
#define HEAP_END GD32_SRAM_END #define HEAP_END GD32_SRAM_END
// <o> Console on USART: <0=> no console <1=>USART 1 <2=>USART 2 <3=> USART 3 // <o> Console on USART:
// <127=> no console
// <0=>USART 0 <1=>USART 1 <2=>USART 2 <3=> USART 3
// <4=>USART 4 <5=>USART 5 <6=>USART 6 <7=> USART 7
// <i>Default: 1 // <i>Default: 1
#define GD32_CONSOLE_USART 1 #define GD32_CONSOLE_USART 0
void rt_hw_board_init(void); void rt_hw_board_init(void);
#if GD32_CONSOLE_USART == 0 #if GD32_CONSOLE_USART == 127
#define CONSOLE_DEVICE "no" #define CONSOLE_DEVICE "no"
#elif GD32_CONSOLE_USART == 0
#define CONSOLE_DEVICE "uart0"
#elif GD32_CONSOLE_USART == 1 #elif GD32_CONSOLE_USART == 1
#define CONSOLE_DEVICE "uart1" #define CONSOLE_DEVICE "uart1"
#elif GD32_CONSOLE_USART == 2 #elif GD32_CONSOLE_USART == 2
#define CONSOLE_DEVICE "uart2" #define CONSOLE_DEVICE "uart2"
#elif GD32_CONSOLE_USART == 3 #elif GD32_CONSOLE_USART == 3
#define CONSOLE_DEVICE "uart3" #define CONSOLE_DEVICE "uart3"
#elif GD32_CONSOLE_USART == 4
#define CONSOLE_DEVICE "uart4"
#elif GD32_CONSOLE_USART == 5
#define CONSOLE_DEVICE "uart5"
#elif GD32_CONSOLE_USART == 6
#define CONSOLE_DEVICE "uart6"
#elif GD32_CONSOLE_USART == 7
#define CONSOLE_DEVICE "uart7"
#endif #endif
#define FINSH_DEVICE_NAME CONSOLE_DEVICE #define FINSH_DEVICE_NAME CONSOLE_DEVICE
......
bsp/gd32450z-eval/drivers/drv_usart.c
浏览文件 @ b2849ad1
...@@ -22,175 +22,151 @@ ...@@ -22,175 +22,151 @@
#include <rtdevice.h> #include <rtdevice.h>
#ifdef RT_USING_UART1
#define USART1_RX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
#define USART1_TX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
/* Definition for USART1 Pins */
#define USART1_TX_PIN GPIO_PIN_9
#define USART1_TX_GPIO_PORT GPIOA
#define USART1_TX_AF GPIO_AF7_USART1
#define USART1_RX_PIN GPIO_PIN_10
#define USART1_RX_GPIO_PORT GPIOA
#define USART1_RX_AF GPIO_AF7_USART1
#endif
#ifdef RT_USING_UART2
#define USART2_RX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
#define USART2_TX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
/* Definition for USART2 Pins */
#define USART2_TX_PIN GPIO_PIN_2
#define USART2_TX_GPIO_PORT GPIOA
#define USART2_TX_AF GPIO_AF7_USART2
#define USART2_RX_PIN GPIO_PIN_3
#define USART2_RX_GPIO_PORT GPIOA
#define USART2_RX_AF GPIO_AF7_USART2
#endif
#ifdef RT_USING_UART3
#define USART3_RX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
#define USART3_TX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
/* Definition for USART3 Pins */
#define USART3_TX_PIN GPIO_PIN_10
#define USART3_TX_GPIO_PORT GPIOB
#define USART3_TX_AF GPIO_AF7_USART3
#define USART3_RX_PIN GPIO_PIN_11
#define USART3_RX_GPIO_PORT GPIOB
#define USART3_RX_AF GPIO_AF7_USART3
#endif
#ifdef RT_USING_UART4
#define USART4_RX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
#define USART4_TX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
/* Definition for USART4 Pins */
#define USART4_TX_PIN GPIO_PIN_10
#define USART4_TX_GPIO_PORT GPIOC
#define USART4_TX_AF GPIO_AF7_USART4
#define USART4_RX_PIN GPIO_PIN_11
#define USART4_RX_GPIO_PORT GPIOC
#define USART4_RX_AF GPIO_AF7_USART4
#endif
#ifdef RT_USING_UART5
#define USART5_RX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOD_CLK_ENABLE()
#define USART5_TX_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
/* Definition for USART5 Pins */
#define USART5_TX_PIN GPIO_PIN_12
#define USART5_TX_GPIO_PORT GPIOC
#define USART5_TX_AF GPIO_AF7_USART5
#define USART5_RX_PIN GPIO_PIN_2
#define USART5_RX_GPIO_PORT GPIOD
#define USART5_RX_AF GPIO_AF7_USART5
#endif
/* GD32 uart driver */ /* GD32 uart driver */
// Todo: compress uart info
struct gd32_uart struct gd32_uart
{ {
UART_HandleTypeDef UartHandle; uint32_t uart_periph; //Todo: 3bits
IRQn_Type irq; IRQn_Type irqn; //Todo: 7bits
rcu_periph_enum per_clk; //Todo: 5bits
rcu_periph_enum tx_gpio_clk; //Todo: 5bits
rcu_periph_enum rx_gpio_clk; //Todo: 5bits
uint32_t tx_port; //Todo: 4bits
uint16_t tx_af; //Todo: 4bits
uint16_t tx_pin; //Todo: 4bits
uint32_t rx_port; //Todo: 4bits
uint16_t rx_af; //Todo: 4bits
uint16_t rx_pin; //Todo: 4bits
}; };
/**
* @brief UART MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - NVIC configuration for UART interrupt request enable
* @param huart: UART handle pointer
* @retval None
*/
void gd32_uart_gpio_init(struct gd32_uart *uart)
{
/* enable USART clock */
rcu_periph_clock_enable(uart->tx_gpio_clk);
rcu_periph_clock_enable(uart->rx_gpio_clk);
rcu_periph_clock_enable(uart->per_clk);
/* connect port to USARTx_Tx */
gpio_af_set(uart->tx_port, uart->tx_af, uart->tx_pin);
/* connect port to USARTx_Rx */
gpio_af_set(uart->rx_port, uart->rx_af, uart->rx_pin);
/* configure USART Tx as alternate function push-pull */
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_50MHZ, uart->tx_pin);
/* configure USART Rx as alternate function push-pull */
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_50MHZ, uart->rx_pin);
NVIC_SetPriority(uart->irqn, 0);
NVIC_EnableIRQ(uart->irqn);
}
static rt_err_t gd32_configure(struct rt_serial_device *serial, struct serial_configure *cfg) static rt_err_t gd32_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
{ {
struct gd32_uart *uart; struct gd32_uart *uart;
RT_ASSERT(serial != RT_NULL); RT_ASSERT(serial != RT_NULL);
RT_ASSERT(cfg != RT_NULL); RT_ASSERT(cfg != RT_NULL);
uart = (struct gd32_uart *)serial->parent.user_data; uart = (struct gd32_uart *)serial->parent.user_data;
uart->UartHandle.Init.BaudRate = cfg->baud_rate; gd32_uart_gpio_init(uart);
uart->UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
uart->UartHandle.Init.Mode = UART_MODE_TX_RX; usart_baudrate_set(uart->uart_periph, cfg->baud_rate);
uart->UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
switch (cfg->data_bits)
switch (cfg->data_bits) {
{ case DATA_BITS_9:
case DATA_BITS_8: usart_word_length_set(uart->uart_periph, USART_WL_9BIT);
uart->UartHandle.Init.WordLength = UART_WORDLENGTH_8B; break;
break;
case DATA_BITS_9: default:
uart->UartHandle.Init.WordLength = UART_WORDLENGTH_9B; usart_word_length_set(uart->uart_periph, USART_WL_8BIT);
break; break;
default: }
uart->UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
break; switch (cfg->stop_bits)
} {
switch (cfg->stop_bits) case STOP_BITS_2:
{ usart_stop_bit_set(uart->uart_periph, USART_STB_2BIT);
case STOP_BITS_1: break;
uart->UartHandle.Init.StopBits = UART_STOPBITS_1; default:
break; usart_stop_bit_set(uart->uart_periph, USART_STB_1BIT);
case STOP_BITS_2: break;
uart->UartHandle.Init.StopBits = UART_STOPBITS_2; }
break;
default: switch (cfg->parity)
uart->UartHandle.Init.StopBits = UART_STOPBITS_1; {
break; case PARITY_ODD:
} usart_parity_config(uart->uart_periph, USART_PM_ODD);
switch (cfg->parity) break;
{ case PARITY_EVEN:
case PARITY_NONE: usart_parity_config(uart->uart_periph, USART_PM_EVEN);
uart->UartHandle.Init.Parity = UART_PARITY_NONE; break;
break; default:
case PARITY_ODD: usart_parity_config(uart->uart_periph, USART_PM_NONE);
uart->UartHandle.Init.Parity = UART_PARITY_ODD; break;
break; }
case PARITY_EVEN:
uart->UartHandle.Init.Parity = UART_PARITY_EVEN; usart_receive_config(uart->uart_periph, USART_RECEIVE_ENABLE);
break; usart_transmit_config(uart->uart_periph, USART_TRANSMIT_ENABLE);
default: usart_enable(uart->uart_periph);
uart->UartHandle.Init.Parity = UART_PARITY_NONE;
break; return RT_EOK;
}
if (HAL_UART_Init(&uart->UartHandle) != HAL_OK)
{
return RT_ERROR;
}
return RT_EOK;
} }
static rt_err_t gd32_control(struct rt_serial_device *serial, int cmd, void *arg) static rt_err_t gd32_control(struct rt_serial_device *serial, int cmd, void *arg)
{ {
struct gd32_uart *uart; struct gd32_uart *uart;
RT_ASSERT(serial != RT_NULL); RT_ASSERT(serial != RT_NULL);
uart = (struct gd32_uart *)serial->parent.user_data; uart = (struct gd32_uart *)serial->parent.user_data;
switch (cmd) switch (cmd)
{ {
case RT_DEVICE_CTRL_CLR_INT: case RT_DEVICE_CTRL_CLR_INT:
/* disable rx irq */ /* disable rx irq */
NVIC_DisableIRQ(uart->irq); NVIC_DisableIRQ(uart->irqn);
/* disable interrupt */ /* disable interrupt */
__HAL_UART_DISABLE_IT(&uart->UartHandle, UART_IT_RXNE); usart_interrupt_disable(uart->uart_periph, USART_INTEN_RBNEIE);
break;
case RT_DEVICE_CTRL_SET_INT: break;
/* enable rx irq */ case RT_DEVICE_CTRL_SET_INT:
NVIC_EnableIRQ(uart->irq); /* enable rx irq */
/* enable interrupt */ NVIC_EnableIRQ(uart->irqn);
__HAL_UART_ENABLE_IT(&uart->UartHandle, UART_IT_RXNE); /* enable interrupt */
break; usart_interrupt_enable(uart->uart_periph, USART_INTEN_RBNEIE);
} break;
}
return RT_EOK;
return RT_EOK;
} }
static int gd32_putc(struct rt_serial_device *serial, char c) static int gd32_putc(struct rt_serial_device *serial, char ch)
{ {
struct gd32_uart *uart; struct gd32_uart *uart;
RT_ASSERT(serial != RT_NULL); RT_ASSERT(serial != RT_NULL);
uart = (struct gd32_uart *)serial->parent.user_data; uart = (struct gd32_uart *)serial->parent.user_data;
while((__HAL_UART_GET_FLAG(&uart->UartHandle, UART_FLAG_TXE) == RESET)); usart_data_transmit(uart->uart_periph, ch);
uart->UartHandle.Instance->DR = c; while((usart_flag_get(uart->uart_periph, USART_FLAG_TC) == RESET));
return 1; return 1;
} }
...@@ -203,8 +179,8 @@ static int gd32_getc(struct rt_serial_device *serial) ...@@ -203,8 +179,8 @@ static int gd32_getc(struct rt_serial_device *serial)
uart = (struct gd32_uart *)serial->parent.user_data; uart = (struct gd32_uart *)serial->parent.user_data;
ch = -1; ch = -1;
if (__HAL_UART_GET_FLAG(&uart->UartHandle, UART_FLAG_RXNE) != RESET) if (usart_flag_get(uart->uart_periph, USART_FLAG_RBNE) != RESET)
ch = uart->UartHandle.Instance->DR & 0xff; ch = usart_data_receive(uart->uart_periph);
return ch; return ch;
} }
...@@ -213,306 +189,64 @@ static int gd32_getc(struct rt_serial_device *serial) ...@@ -213,306 +189,64 @@ static int gd32_getc(struct rt_serial_device *serial)
* *
* @param serial serial device * @param serial serial device
*/ */
static void uart_isr(struct rt_serial_device *serial) { static void uart_isr(struct rt_serial_device *serial)
{
struct gd32_uart *uart = (struct gd32_uart *) serial->parent.user_data; struct gd32_uart *uart = (struct gd32_uart *) serial->parent.user_data;
RT_ASSERT(uart != RT_NULL); RT_ASSERT(uart != RT_NULL);
/* UART in mode Receiver -------------------------------------------------*/ /* UART in mode Receiver -------------------------------------------------*/
if ((__HAL_UART_GET_FLAG(&uart->UartHandle, UART_FLAG_RXNE) != RESET) && if ((usart_interrupt_flag_get(uart->uart_periph, USART_INT_RBNEIE) != RESET) &&
(__HAL_UART_GET_IT_SOURCE(&uart->UartHandle, UART_IT_RXNE) != RESET)) (usart_flag_get(uart->uart_periph, USART_FLAG_RBNE) != RESET))
{ {
rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND); rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
/* Clear RXNE interrupt flag */ /* Clear RXNE interrupt flag */
__HAL_UART_CLEAR_FLAG(&uart->UartHandle, UART_FLAG_RXNE); usart_flag_clear(uart->uart_periph, USART_FLAG_RBNE);
} }
} }
/** static const struct rt_uart_ops gd32_uart_ops =
* @brief UART MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - NVIC configuration for UART interrupt request enable
* @param huart: UART handle pointer
* @retval None
*/
void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{ {
GPIO_InitTypeDef GPIO_InitStruct; gd32_configure,
gd32_control,
#if defined(RT_USING_UART1) gd32_putc,
if (huart->Instance == USART1) gd32_getc,
{ };
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
USART1_TX_GPIO_CLK_ENABLE();
USART1_RX_GPIO_CLK_ENABLE();
/* Enable USARTx clock */
__HAL_RCC_USART1_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USART1_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = USART1_TX_AF;
HAL_GPIO_Init(USART1_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USART1_RX_PIN;
GPIO_InitStruct.Alternate = USART1_RX_AF;
HAL_GPIO_Init(USART1_RX_GPIO_PORT, &GPIO_InitStruct);
HAL_NVIC_SetPriority(USART1_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USART1_IRQn);
}
#endif
#if defined(RT_USING_UART2)
if (huart->Instance == USART2)
{
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
USART2_TX_GPIO_CLK_ENABLE();
USART2_RX_GPIO_CLK_ENABLE();
/* Enable USARTx clock */
__HAL_RCC_USART2_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USART2_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = USART2_TX_AF;
HAL_GPIO_Init(USART2_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USART2_RX_PIN;
GPIO_InitStruct.Alternate = USART2_RX_AF;
HAL_GPIO_Init(USART2_RX_GPIO_PORT, &GPIO_InitStruct);
HAL_NVIC_SetPriority(USART2_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USART2_IRQn);
}
#endif
#if defined(RT_USING_UART3)
if (huart->Instance == USART3)
{
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
USART3_TX_GPIO_CLK_ENABLE();
USART3_RX_GPIO_CLK_ENABLE();
/* Enable USARTx clock */
__HAL_RCC_USART3_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USART3_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = USART3_TX_AF;
HAL_GPIO_Init(USART3_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USART3_RX_PIN;
GPIO_InitStruct.Alternate = USART3_RX_AF;
HAL_GPIO_Init(USART3_RX_GPIO_PORT, &GPIO_InitStruct);
HAL_NVIC_SetPriority(USART3_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USART3_IRQn);
}
#endif
#if defined(RT_USING_UART4)
if (huart->Instance == USART4)
{
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
USART4_TX_GPIO_CLK_ENABLE();
USART4_RX_GPIO_CLK_ENABLE();
/* Enable USARTx clock */
__HAL_RCC_USART4_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USART4_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = USART4_TX_AF;
HAL_GPIO_Init(USART4_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USART4_RX_PIN;
GPIO_InitStruct.Alternate = USART4_RX_AF;
HAL_GPIO_Init(USART4_RX_GPIO_PORT, &GPIO_InitStruct);
HAL_NVIC_SetPriority(USART4_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USART4_IRQn);
}
#endif
#if defined(RT_USING_UART5)
if (huart->Instance == USART5)
{
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
USART5_TX_GPIO_CLK_ENABLE();
USART5_RX_GPIO_CLK_ENABLE();
/* Enable USARTx clock */
__HAL_RCC_USART5_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USART5_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = USART5_TX_AF;
HAL_GPIO_Init(USART5_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USART5_RX_PIN;
GPIO_InitStruct.Alternate = USART5_RX_AF;
HAL_GPIO_Init(USART5_RX_GPIO_PORT, &GPIO_InitStruct);
HAL_NVIC_SetPriority(USART5_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USART5_IRQn);
}
#endif
}
/** #if defined(RT_USING_USART0)
* @brief UART MSP De-Initialization /* UART1 device driver structure */
* This function frees the hardware resources used in this example: struct gd32_uart usart0 =
* - Disable the Peripheral's clock
* - Revert GPIO and NVIC configuration to their default state
* @param huart: UART handle pointer
* @retval None
*/
void HAL_UART_MspDeInit(UART_HandleTypeDef *huart)
{ {
#if defined(RT_USING_UART1) USART0, // uart peripheral index
if (huart->Instance == USART1) USART0_IRQn, // uart iqrn
{ RCU_USART0, RCU_GPIOA, RCU_GPIOA, // periph clock, tx gpio clock, rt gpio clock
/*##-1- Reset peripherals ##################################################*/ GPIOA, GPIO_AF_7, GPIO_PIN_9, // tx port, tx alternate, tx pin
__HAL_RCC_USART1_FORCE_RESET(); GPIOA, GPIO_AF_7, GPIO_PIN_10, // rx port, rx alternate, rx pin
__HAL_RCC_USART1_RELEASE_RESET(); };
struct rt_serial_device serial0;
/*##-2- Disable peripherals and GPIO Clocks #################################*/
/* Configure UART Tx as alternate function */
HAL_GPIO_DeInit(USART1_TX_GPIO_PORT, USART1_TX_PIN);
/* Configure UART Rx as alternate function */
HAL_GPIO_DeInit(USART1_RX_GPIO_PORT, USART1_RX_PIN);
HAL_NVIC_DisableIRQ(USART1_IRQn);
}
#endif
#if defined(RT_USING_UART2)
if (huart->Instance == USART2)
{
/*##-1- Reset peripherals ##################################################*/
__HAL_RCC_USART2_FORCE_RESET();
__HAL_RCC_USART2_RELEASE_RESET();
/*##-2- Disable peripherals and GPIO Clocks #################################*/
/* Configure UART Tx as alternate function */
HAL_GPIO_DeInit(USART2_TX_GPIO_PORT, USART2_TX_PIN);
/* Configure UART Rx as alternate function */
HAL_GPIO_DeInit(USART2_RX_GPIO_PORT, USART2_RX_PIN);
HAL_NVIC_DisableIRQ(USART2_IRQn);
}
#endif
#if defined(RT_USING_UART3)
if (huart->Instance == USART3)
{
/*##-1- Reset peripherals ##################################################*/
__HAL_RCC_USART3_FORCE_RESET();
__HAL_RCC_USART3_RELEASE_RESET();
/*##-2- Disable peripherals and GPIO Clocks #################################*/
/* Configure UART Tx as alternate function */
HAL_GPIO_DeInit(USART3_TX_GPIO_PORT, USART3_TX_PIN);
/* Configure UART Rx as alternate function */
HAL_GPIO_DeInit(USART3_RX_GPIO_PORT, USART3_RX_PIN);
HAL_NVIC_DisableIRQ(USART3_IRQn);
}
#endif
#if defined(RT_USING_UART4)
if (huart->Instance == USART4)
{
/*##-1- Reset peripherals ##################################################*/
__HAL_RCC_USART4_FORCE_RESET();
__HAL_RCC_USART4_RELEASE_RESET();
/*##-2- Disable peripherals and GPIO Clocks #################################*/
/* Configure UART Tx as alternate function */
HAL_GPIO_DeInit(USART4_TX_GPIO_PORT, USART4_TX_PIN);
/* Configure UART Rx as alternate function */
HAL_GPIO_DeInit(USART4_RX_GPIO_PORT, USART4_RX_PIN);
HAL_NVIC_DisableIRQ(USART4_IRQn);
}
#endif
#if defined(RT_USING_UART5) void USART0_IRQHandler(void)
if (huart->Instance == USART5) {
{ /* enter interrupt */
/*##-1- Reset peripherals ##################################################*/ rt_interrupt_enter();
__HAL_RCC_USART5_FORCE_RESET();
__HAL_RCC_USART5_RELEASE_RESET();
/*##-2- Disable peripherals and GPIO Clocks #################################*/ uart_isr(&serial0);
/* Configure UART Tx as alternate function */
HAL_GPIO_DeInit(USART5_TX_GPIO_PORT, USART5_TX_PIN);
/* Configure UART Rx as alternate function */
HAL_GPIO_DeInit(USART5_RX_GPIO_PORT, USART5_RX_PIN);
HAL_NVIC_DisableIRQ(USART5_IRQn); /* leave interrupt */
} rt_interrupt_leave();
#endif
} }
#endif /* RT_USING_USART0 */
static const struct rt_uart_ops gd32_uart_ops = #if defined(RT_USING_USART1)
{
gd32_configure,
gd32_control,
gd32_putc,
gd32_getc,
};
#if defined(RT_USING_UART1)
/* UART1 device driver structure */ /* UART1 device driver structure */
struct gd32_uart uart1 = struct gd32_uart usart1 =
{ {
{USART1}, USART1, // uart peripheral index
USART1_IRQn, USART1_IRQn, // uart iqrn
RCU_USART1, RCU_GPIOA, RCU_GPIOA, // periph clock, tx gpio clock, rt gpio clock
GPIOA, GPIO_AF_7, GPIO_PIN_2, // tx port, tx alternate, tx pin
GPIOA, GPIO_AF_7, GPIO_PIN_3, // rx port, rx alternate, rx pin
}; };
struct rt_serial_device serial1; struct rt_serial_device serial1;
...@@ -529,12 +263,15 @@ void USART1_IRQHandler(void) ...@@ -529,12 +263,15 @@ void USART1_IRQHandler(void)
#endif /* RT_USING_UART1 */ #endif /* RT_USING_UART1 */
#if defined(RT_USING_UART2) #if defined(RT_USING_USART2)
/* UART2 device driver structure */ /* UART2 device driver structure */
struct gd32_uart uart2 = struct gd32_uart usart2 =
{ {
{USART2}, USART2, // uart peripheral index
USART2_IRQn, USART2_IRQn, // uart iqrn
RCU_USART2, RCU_GPIOB, RCU_GPIOB, // periph clock, tx gpio clock, rt gpio clock
GPIOB, GPIO_AF_7, GPIO_PIN_10, // tx port, tx alternate, tx pin
GPIOB, GPIO_AF_7, GPIO_PIN_11, // rx port, rx alternate, rx pin
}; };
struct rt_serial_device serial2; struct rt_serial_device serial2;
...@@ -555,12 +292,15 @@ void USART2_IRQHandler(void) ...@@ -555,12 +292,15 @@ void USART2_IRQHandler(void)
/* UART3 device driver structure */ /* UART3 device driver structure */
struct gd32_uart uart3 = struct gd32_uart uart3 =
{ {
{USART3}, UART3, // uart peripheral index
USART3_IRQn, UART3_IRQn, // uart iqrn
RCU_UART3, RCU_GPIOC, RCU_GPIOC, // periph clock, tx gpio clock, rt gpio clock
GPIOC, GPIO_AF_8, GPIO_PIN_10, // tx port, tx alternate, tx pin
GPIOC, GPIO_AF_8, GPIO_PIN_11, // rx port, rx alternate, rx pin
}; };
struct rt_serial_device serial3; struct rt_serial_device serial3;
void USART3_IRQHandler(void) void UART3_IRQHandler(void)
{ {
/* enter interrupt */ /* enter interrupt */
rt_interrupt_enter(); rt_interrupt_enter();
...@@ -577,8 +317,11 @@ void USART3_IRQHandler(void) ...@@ -577,8 +317,11 @@ void USART3_IRQHandler(void)
/* UART4 device driver structure */ /* UART4 device driver structure */
struct gd32_uart uart4 = struct gd32_uart uart4 =
{ {
{UART4}, UART4, // uart peripheral index
UART4_IRQn, UART4_IRQn, // uart iqrn
RCU_UART4, RCU_GPIOC, RCU_GPIOD, // periph clock, tx gpio clock, rt gpio clock
GPIOC, GPIO_AF_8, GPIO_PIN_12, // tx port, tx alternate, tx pin
GPIOD, GPIO_AF_8, GPIO_PIN_2, // rx port, rx alternate, rx pin
}; };
struct rt_serial_device serial4; struct rt_serial_device serial4;
...@@ -594,16 +337,19 @@ void UART4_IRQHandler(void) ...@@ -594,16 +337,19 @@ void UART4_IRQHandler(void)
} }
#endif /* RT_USING_UART4 */ #endif /* RT_USING_UART4 */
#if defined(RT_USING_UART5) #if defined(RT_USING_USART5)
/* UART5 device driver structure */ /* UART5 device driver structure */
struct gd32_uart uart5 = struct gd32_uart usart5 =
{ {
{UART5}, USART5, // uart peripheral index
UART5_IRQn, USART5_IRQn, // uart iqrn
RCU_USART5, RCU_GPIOC, RCU_GPIOC, // periph clock, tx gpio clock, rt gpio clock
GPIOC, GPIO_AF_8, GPIO_PIN_6, // tx port, tx alternate, tx pin
GPIOC, GPIO_AF_8, GPIO_PIN_7, // rx port, rx alternate, rx pin
}; };
struct rt_serial_device serial5; struct rt_serial_device serial5;
void UART5_IRQHandler(void) void USART5_IRQHandler(void)
{ {
/* enter interrupt */ /* enter interrupt */
rt_interrupt_enter(); rt_interrupt_enter();
...@@ -616,14 +362,78 @@ void UART5_IRQHandler(void) ...@@ -616,14 +362,78 @@ void UART5_IRQHandler(void)
#endif /* RT_USING_UART5 */ #endif /* RT_USING_UART5 */
#if defined(RT_USING_UART6)
/* UART6 device driver structure */
struct gd32_uart uart6 =
{
UART6, // uart peripheral index
UART6_IRQn, // uart iqrn
RCU_UART6, RCU_GPIOE, RCU_GPIOE, // periph clock, tx gpio clock, rt gpio clock
GPIOE, GPIO_AF_8, GPIO_PIN_7, // tx port, tx alternate, tx pin
GPIOE, GPIO_AF_8, GPIO_PIN_8, // rx port, rx alternate, rx pin
};
struct rt_serial_device serial6;
void UART6_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
uart_isr(&serial6);
/* leave interrupt */
rt_interrupt_leave();
}
#endif /* RT_USING_UART6 */
#if defined(RT_USING_UART7)
/* UART7 device driver structure */
struct gd32_uart uart7 =
{
UART7, // uart peripheral index
UART7_IRQn, // uart iqrn
RCU_UART7, RCU_GPIOE, RCU_GPIOE, // periph clock, tx gpio clock, rt gpio clock
GPIOE, GPIO_AF_8, GPIO_PIN_0, // tx port, tx alternate, tx pin
GPIOE, GPIO_AF_8, GPIO_PIN_1, // rx port, rx alternate, rx pin
};
struct rt_serial_device serial7;
void UART7_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
uart_isr(&serial7);
/* leave interrupt */
rt_interrupt_leave();
}
#endif /* RT_USING_UART7 */
int gd32_hw_usart_init(void) int gd32_hw_usart_init(void)
{ {
struct gd32_uart *uart; struct gd32_uart *uart;
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT; struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
#ifdef RT_USING_USART0
uart = &usart0;
serial0.ops = &gd32_uart_ops;
serial0.config = config;
#ifdef RT_USING_UART1 /* register UART1 device */
uart = &uart1; rt_hw_serial_register(&serial0,
uart->UartHandle.Instance = USART1; "uart0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#endif /* RT_USING_USART0 */
#ifdef RT_USING_USART1
uart = &usart1;
serial1.ops = &gd32_uart_ops; serial1.ops = &gd32_uart_ops;
serial1.config = config; serial1.config = config;
...@@ -635,14 +445,13 @@ int gd32_hw_usart_init(void) ...@@ -635,14 +445,13 @@ int gd32_hw_usart_init(void)
uart); uart);
#endif /* RT_USING_UART1 */ #endif /* RT_USING_UART1 */
#ifdef RT_USING_UART2 #ifdef RT_USING_USART2
uart = &uart2; uart = &usart2;
uart->UartHandle.Instance = USART2;
serial2.ops = &gd32_uart_ops; serial2.ops = &gd32_uart_ops;
serial2.config = config; serial2.config = config;
/* register UART1 device */ /* register UART2 device */
rt_hw_serial_register(&serial2, rt_hw_serial_register(&serial2,
"uart2", "uart2",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
...@@ -651,7 +460,6 @@ int gd32_hw_usart_init(void) ...@@ -651,7 +460,6 @@ int gd32_hw_usart_init(void)
#ifdef RT_USING_UART3 #ifdef RT_USING_UART3
uart = &uart3; uart = &uart3;
uart->UartHandle.Instance = USART3;
serial3.ops = &gd32_uart_ops; serial3.ops = &gd32_uart_ops;
serial3.config = config; serial3.config = config;
...@@ -665,7 +473,6 @@ int gd32_hw_usart_init(void) ...@@ -665,7 +473,6 @@ int gd32_hw_usart_init(void)
#ifdef RT_USING_UART4 #ifdef RT_USING_UART4
uart = &uart4; uart = &uart4;
uart->UartHandle.Instance = USART4;
serial4.ops = &gd32_uart_ops; serial4.ops = &gd32_uart_ops;
serial4.config = config; serial4.config = config;
...@@ -677,9 +484,8 @@ int gd32_hw_usart_init(void) ...@@ -677,9 +484,8 @@ int gd32_hw_usart_init(void)
uart); uart);
#endif /* RT_USING_UART4 */ #endif /* RT_USING_UART4 */
#ifdef RT_USING_UART5 #ifdef RT_USING_USART5
uart = &uart5; uart = &usart5;
uart->UartHandle.Instance = USART5;
serial5.ops = &gd32_uart_ops; serial5.ops = &gd32_uart_ops;
serial5.config = config; serial5.config = config;
...@@ -690,6 +496,32 @@ int gd32_hw_usart_init(void) ...@@ -690,6 +496,32 @@ int gd32_hw_usart_init(void)
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart); uart);
#endif /* RT_USING_UART5 */ #endif /* RT_USING_UART5 */
#ifdef RT_USING_UART6
uart = &uart6;
serial6.ops = &gd32_uart_ops;
serial6.config = config;
/* register UART6 device */
rt_hw_serial_register(&serial6,
"uart6",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#endif /* RT_USING_UART6 */
#ifdef RT_USING_UART7
uart = &uart7;
serial7.ops = &gd32_uart_ops;
serial7.config = config;
/* register UART7 device */
rt_hw_serial_register(&serial7,
"uart7",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#endif /* RT_USING_UART7 */
return 0; return 0;
} }
INIT_BOARD_EXPORT(gd32_hw_usart_init); INIT_BOARD_EXPORT(gd32_hw_usart_init);
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