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add uart support for stm32f4nucleo board (via stlink cdc)

This commit is contained in:
hathach 2019-10-19 18:19:59 +07:00
parent 2f3f23fd94
commit 78bf82291e
3 changed files with 43 additions and 8 deletions
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1
hw/bsp/stm32f767nucleo/board.mk
View File

@ -25,6 +25,7 @@ SRC_C += \
$(ST_HAL_DRIVER)/Src/stm32f7xx_hal_rcc.c \
$(ST_HAL_DRIVER)/Src/stm32f7xx_hal_rcc_ex.c \
$(ST_HAL_DRIVER)/Src/stm32f7xx_hal_gpio.c \
$(ST_HAL_DRIVER)/Src/stm32f7xx_hal_uart.c \
$(ST_HAL_DRIVER)/Src/stm32f7xx_hal_pwr_ex.c
SRC_S += \

46
hw/bsp/stm32f767nucleo/stm32f767nucleo.c
View File

@ -38,6 +38,24 @@
#define BUTTON_PIN GPIO_PIN_13
#define BUTTON_STATE_ACTIVE 1
#define UARTx USART3
#define UART_GPIO_PORT GPIOD
#define UART_GPIO_AF GPIO_AF7_USART3
#define UART_TX_PIN GPIO_PIN_8
#define UART_RX_PIN GPIO_PIN_9
UART_HandleTypeDef UartHandle;
// enable all LED, Button, Uart, USB clock
static void all_rcc_clk_enable(void)
{
__HAL_RCC_GPIOA_CLK_ENABLE(); // USB D+, D-
__HAL_RCC_GPIOB_CLK_ENABLE(); // LED
__HAL_RCC_GPIOC_CLK_ENABLE(); // Button
__HAL_RCC_GPIOD_CLK_ENABLE(); // Uart tx, rx
__HAL_RCC_USART3_CLK_ENABLE(); // Uart module
}
/**
* @brief System Clock Configuration
* The system Clock is configured as follow :
@ -109,13 +127,13 @@ void board_init(void)
#endif
SystemClock_Config();
SystemCoreClockUpdate();
all_rcc_clk_enable();
GPIO_InitTypeDef GPIO_InitStruct;
// LED
__HAL_RCC_GPIOB_CLK_ENABLE();
GPIO_InitStruct.Pin = LED_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
@ -123,16 +141,32 @@ void board_init(void)
HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
// Button
__HAL_RCC_GPIOC_CLK_ENABLE();
GPIO_InitStruct.Pin = BUTTON_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(BUTTON_PORT, &GPIO_InitStruct);
// Uart
GPIO_InitStruct.Pin = UART_TX_PIN | UART_RX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = UART_GPIO_AF;
HAL_GPIO_Init(UART_GPIO_PORT, &GPIO_InitStruct);
UartHandle.Instance = UARTx;
UartHandle.Init.BaudRate = CFG_BOARD_UART_BAUDRATE;
UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
UartHandle.Init.StopBits = UART_STOPBITS_1;
UartHandle.Init.Parity = UART_PARITY_NONE;
UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
UartHandle.Init.Mode = UART_MODE_TX_RX;
UartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
HAL_UART_Init(&UartHandle);
/* Configure USB FS GPIOs */
/* Configure DM DP Pins */
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
@ -155,7 +189,6 @@ void board_init(void)
/* Enable USB FS Clocks */
__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
}
//--------------------------------------------------------------------+
@ -180,7 +213,8 @@ int board_uart_read(uint8_t* buf, int len)
int board_uart_write(void const * buf, int len)
{
(void) buf; (void) len;
HAL_UART_Transmit(&UartHandle, (uint8_t*) buf, len, 0xffff);
// (void) buf; (void) len;
return 0;
}

4
hw/bsp/stm32f767nucleo/stm32f7xx_hal_conf.h
View File

@ -41,7 +41,7 @@
/* #define HAL_CRYP_MODULE_ENABLED */
/* #define HAL_DAC_MODULE_ENABLED */
/* #define HAL_DCMI_MODULE_ENABLED */
/* #define HAL_DMA_MODULE_ENABLED */
#define HAL_DMA_MODULE_ENABLED
/* #define HAL_DMA2D_MODULE_ENABLED */
/* #define HAL_ETH_MODULE_ENABLED */
#define HAL_FLASH_MODULE_ENABLED
@ -66,7 +66,7 @@
/* #define HAL_SPDIFRX_MODULE_ENABLED */
/* #define HAL_SPI_MODULE_ENABLED */
/* #define HAL_TIM_MODULE_ENABLED */
/* #define HAL_UART_MODULE_ENABLED */
#define HAL_UART_MODULE_ENABLED
/* #define HAL_USART_MODULE_ENABLED */
/* #define HAL_IRDA_MODULE_ENABLED */
/* #define HAL_SMARTCARD_MODULE_ENABLED */