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update usart driver

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This commit is contained in:
tanek liang 2017-08-23 09:21:25 +08:00
parent 07bd7af08e
commit b2849ad1aa
3 changed files with 310 additions and 470 deletions
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13
bsp/gd32450z-eval/drivers/board.c
View File

@ -122,18 +122,13 @@ void rt_hw_board_init()
SystemClock_Config();
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
#ifdef RT_USING_CONSOLE
rt_console_set_device(CONSOLE_DEVICE);
#endif
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#else
SDRAM_Init();
mpu_init();
#endif
}
/*@}*/

27
bsp/gd32450z-eval/drivers/board.h
View File

@ -49,20 +49,33 @@ extern int __bss_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
#define GD32_CONSOLE_USART 1
#define GD32_CONSOLE_USART 0
void rt_hw_board_init(void);
#if GD32_CONSOLE_USART == 0
#define CONSOLE_DEVICE "no"
#if GD32_CONSOLE_USART == 127
#define CONSOLE_DEVICE "no"
#elif GD32_CONSOLE_USART == 0
#define CONSOLE_DEVICE "uart0"
#elif GD32_CONSOLE_USART == 1
#define CONSOLE_DEVICE "uart1"
#define CONSOLE_DEVICE "uart1"
#elif GD32_CONSOLE_USART == 2
#define CONSOLE_DEVICE "uart2"
#define CONSOLE_DEVICE "uart2"
#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
#define FINSH_DEVICE_NAME CONSOLE_DEVICE

740
bsp/gd32450z-eval/drivers/drv_usart.c
View File

@ -22,175 +22,151 @@
#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 */
// Todo: compress uart info
struct gd32_uart
{
UART_HandleTypeDef UartHandle;
IRQn_Type irq;
uint32_t uart_periph; //Todo: 3bits
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)
{
struct gd32_uart *uart;
struct gd32_uart *uart;
RT_ASSERT(serial != RT_NULL);
RT_ASSERT(cfg != RT_NULL);
RT_ASSERT(serial != RT_NULL);
RT_ASSERT(cfg != RT_NULL);
uart = (struct gd32_uart *)serial->parent.user_data;
uart = (struct gd32_uart *)serial->parent.user_data;
gd32_uart_gpio_init(uart);
usart_baudrate_set(uart->uart_periph, cfg->baud_rate);
uart->UartHandle.Init.BaudRate = cfg->baud_rate;
uart->UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
uart->UartHandle.Init.Mode = UART_MODE_TX_RX;
uart->UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
switch (cfg->data_bits)
{
case DATA_BITS_9:
usart_word_length_set(uart->uart_periph, USART_WL_9BIT);
break;
switch (cfg->data_bits)
{
case DATA_BITS_8:
uart->UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
break;
case DATA_BITS_9:
uart->UartHandle.Init.WordLength = UART_WORDLENGTH_9B;
break;
default:
uart->UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
break;
}
switch (cfg->stop_bits)
{
case STOP_BITS_1:
uart->UartHandle.Init.StopBits = UART_STOPBITS_1;
break;
case STOP_BITS_2:
uart->UartHandle.Init.StopBits = UART_STOPBITS_2;
break;
default:
uart->UartHandle.Init.StopBits = UART_STOPBITS_1;
break;
}
switch (cfg->parity)
{
case PARITY_NONE:
uart->UartHandle.Init.Parity = UART_PARITY_NONE;
break;
case PARITY_ODD:
uart->UartHandle.Init.Parity = UART_PARITY_ODD;
break;
case PARITY_EVEN:
uart->UartHandle.Init.Parity = UART_PARITY_EVEN;
break;
default:
uart->UartHandle.Init.Parity = UART_PARITY_NONE;
break;
}
default:
usart_word_length_set(uart->uart_periph, USART_WL_8BIT);
break;
}
if (HAL_UART_Init(&uart->UartHandle) != HAL_OK)
{
return RT_ERROR;
}
switch (cfg->stop_bits)
{
case STOP_BITS_2:
usart_stop_bit_set(uart->uart_periph, USART_STB_2BIT);
break;
default:
usart_stop_bit_set(uart->uart_periph, USART_STB_1BIT);
break;
}
return RT_EOK;
switch (cfg->parity)
{
case PARITY_ODD:
usart_parity_config(uart->uart_periph, USART_PM_ODD);
break;
case PARITY_EVEN:
usart_parity_config(uart->uart_periph, USART_PM_EVEN);
break;
default:
usart_parity_config(uart->uart_periph, USART_PM_NONE);
break;
}
usart_receive_config(uart->uart_periph, USART_RECEIVE_ENABLE);
usart_transmit_config(uart->uart_periph, USART_TRANSMIT_ENABLE);
usart_enable(uart->uart_periph);
return RT_EOK;
}
static rt_err_t gd32_control(struct rt_serial_device *serial, int cmd, void *arg)
{
struct gd32_uart *uart;
RT_ASSERT(serial != RT_NULL);
uart = (struct gd32_uart *)serial->parent.user_data;
switch (cmd)
{
case RT_DEVICE_CTRL_CLR_INT:
/* disable rx irq */
NVIC_DisableIRQ(uart->irq);
/* disable interrupt */
__HAL_UART_DISABLE_IT(&uart->UartHandle, UART_IT_RXNE);
break;
case RT_DEVICE_CTRL_SET_INT:
/* enable rx irq */
NVIC_EnableIRQ(uart->irq);
/* enable interrupt */
__HAL_UART_ENABLE_IT(&uart->UartHandle, UART_IT_RXNE);
break;
}
return RT_EOK;
}
static int gd32_putc(struct rt_serial_device *serial, char c)
{
struct gd32_uart *uart;
RT_ASSERT(serial != RT_NULL);
uart = (struct gd32_uart *)serial->parent.user_data;
while((__HAL_UART_GET_FLAG(&uart->UartHandle, UART_FLAG_TXE) == RESET));
uart->UartHandle.Instance->DR = c;
switch (cmd)
{
case RT_DEVICE_CTRL_CLR_INT:
/* disable rx irq */
NVIC_DisableIRQ(uart->irqn);
/* disable interrupt */
usart_interrupt_disable(uart->uart_periph, USART_INTEN_RBNEIE);
break;
case RT_DEVICE_CTRL_SET_INT:
/* enable rx irq */
NVIC_EnableIRQ(uart->irqn);
/* enable interrupt */
usart_interrupt_enable(uart->uart_periph, USART_INTEN_RBNEIE);
break;
}
return RT_EOK;
}
static int gd32_putc(struct rt_serial_device *serial, char ch)
{
struct gd32_uart *uart;
RT_ASSERT(serial != RT_NULL);
uart = (struct gd32_uart *)serial->parent.user_data;
usart_data_transmit(uart->uart_periph, ch);
while((usart_flag_get(uart->uart_periph, USART_FLAG_TC) == RESET));
return 1;
}
@ -203,8 +179,8 @@ static int gd32_getc(struct rt_serial_device *serial)
uart = (struct gd32_uart *)serial->parent.user_data;
ch = -1;
if (__HAL_UART_GET_FLAG(&uart->UartHandle, UART_FLAG_RXNE) != RESET)
ch = uart->UartHandle.Instance->DR & 0xff;
if (usart_flag_get(uart->uart_periph, USART_FLAG_RBNE) != RESET)
ch = usart_data_receive(uart->uart_periph);
return ch;
}
@ -213,292 +189,22 @@ static int gd32_getc(struct rt_serial_device *serial)
*
* @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;
RT_ASSERT(uart != RT_NULL);
/* UART in mode Receiver -------------------------------------------------*/
if ((__HAL_UART_GET_FLAG(&uart->UartHandle, UART_FLAG_RXNE) != RESET) &&
(__HAL_UART_GET_IT_SOURCE(&uart->UartHandle, UART_IT_RXNE) != RESET))
if ((usart_interrupt_flag_get(uart->uart_periph, USART_INT_RBNEIE) != RESET) &&
(usart_flag_get(uart->uart_periph, USART_FLAG_RBNE) != RESET))
{
rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
/* Clear RXNE interrupt flag */
__HAL_UART_CLEAR_FLAG(&uart->UartHandle, UART_FLAG_RXNE);
usart_flag_clear(uart->uart_periph, USART_FLAG_RBNE);
}
}
/**
* @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;
#if defined(RT_USING_UART1)
if (huart->Instance == USART1)
{
/*##-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
}
/**
* @brief UART MSP De-Initialization
* This function frees the hardware resources used in this example:
* - 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)
if (huart->Instance == USART1)
{
/*##-1- Reset peripherals ##################################################*/
__HAL_RCC_USART1_FORCE_RESET();
__HAL_RCC_USART1_RELEASE_RESET();
/*##-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)
if (huart->Instance == USART5)
{
/*##-1- Reset peripherals ##################################################*/
__HAL_RCC_USART5_FORCE_RESET();
__HAL_RCC_USART5_RELEASE_RESET();
/*##-2- Disable peripherals and GPIO Clocks #################################*/
/* 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);
}
#endif
}
static const struct rt_uart_ops gd32_uart_ops =
{
gd32_configure,
@ -507,12 +213,40 @@ static const struct rt_uart_ops gd32_uart_ops =
gd32_getc,
};
#if defined(RT_USING_UART1)
#if defined(RT_USING_USART0)
/* UART1 device driver structure */
struct gd32_uart uart1 =
struct gd32_uart usart0 =
{
{USART1},
USART1_IRQn,
USART0, // uart peripheral index
USART0_IRQn, // uart iqrn
RCU_USART0, RCU_GPIOA, RCU_GPIOA, // periph clock, tx gpio clock, rt gpio clock
GPIOA, GPIO_AF_7, GPIO_PIN_9, // tx port, tx alternate, tx pin
GPIOA, GPIO_AF_7, GPIO_PIN_10, // rx port, rx alternate, rx pin
};
struct rt_serial_device serial0;
void USART0_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
uart_isr(&serial0);
/* leave interrupt */
rt_interrupt_leave();
}
#endif /* RT_USING_USART0 */
#if defined(RT_USING_USART1)
/* UART1 device driver structure */
struct gd32_uart usart1 =
{
USART1, // uart peripheral index
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;
@ -529,12 +263,15 @@ void USART1_IRQHandler(void)
#endif /* RT_USING_UART1 */
#if defined(RT_USING_UART2)
#if defined(RT_USING_USART2)
/* UART2 device driver structure */
struct gd32_uart uart2 =
struct gd32_uart usart2 =
{
{USART2},
USART2_IRQn,
USART2, // uart peripheral index
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;
@ -555,12 +292,15 @@ void USART2_IRQHandler(void)
/* UART3 device driver structure */
struct gd32_uart uart3 =
{
{USART3},
USART3_IRQn,
UART3, // uart peripheral index
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;
void USART3_IRQHandler(void)
void UART3_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
@ -577,8 +317,11 @@ void USART3_IRQHandler(void)
/* UART4 device driver structure */
struct gd32_uart uart4 =
{
{UART4},
UART4_IRQn,
UART4, // uart peripheral index
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;
@ -594,16 +337,19 @@ void UART4_IRQHandler(void)
}
#endif /* RT_USING_UART4 */
#if defined(RT_USING_UART5)
#if defined(RT_USING_USART5)
/* UART5 device driver structure */
struct gd32_uart uart5 =
struct gd32_uart usart5 =
{
{UART5},
UART5_IRQn,
USART5, // uart peripheral index
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;
void UART5_IRQHandler(void)
void USART5_IRQHandler(void)
{
/* enter interrupt */
rt_interrupt_enter();
@ -616,14 +362,78 @@ void UART5_IRQHandler(void)
#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)
{
struct gd32_uart *uart;
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
#ifdef RT_USING_USART0
uart = &usart0;
#ifdef RT_USING_UART1
uart = &uart1;
uart->UartHandle.Instance = USART1;
serial0.ops = &gd32_uart_ops;
serial0.config = config;
/* register UART1 device */
rt_hw_serial_register(&serial0,
"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.config = config;
@ -635,14 +445,13 @@ int gd32_hw_usart_init(void)
uart);
#endif /* RT_USING_UART1 */
#ifdef RT_USING_UART2
uart = &uart2;
uart->UartHandle.Instance = USART2;
#ifdef RT_USING_USART2
uart = &usart2;
serial2.ops = &gd32_uart_ops;
serial2.config = config;
/* register UART1 device */
/* register UART2 device */
rt_hw_serial_register(&serial2,
"uart2",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
@ -651,7 +460,6 @@ int gd32_hw_usart_init(void)
#ifdef RT_USING_UART3
uart = &uart3;
uart->UartHandle.Instance = USART3;
serial3.ops = &gd32_uart_ops;
serial3.config = config;
@ -665,7 +473,6 @@ int gd32_hw_usart_init(void)
#ifdef RT_USING_UART4
uart = &uart4;
uart->UartHandle.Instance = USART4;
serial4.ops = &gd32_uart_ops;
serial4.config = config;
@ -677,9 +484,8 @@ int gd32_hw_usart_init(void)
uart);
#endif /* RT_USING_UART4 */
#ifdef RT_USING_UART5
uart = &uart5;
uart->UartHandle.Instance = USART5;
#ifdef RT_USING_USART5
uart = &usart5;
serial5.ops = &gd32_uart_ops;
serial5.config = config;
@ -690,6 +496,32 @@ int gd32_hw_usart_init(void)
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#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;
}
INIT_BOARD_EXPORT(gd32_hw_usart_init);