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add uart support for stm32f072disco

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This commit is contained in:
hathach 2019-11-03 12:54:05 +07:00
parent 7bf01e218d
commit 585aebeb12
3 changed files with 46 additions and 11 deletions
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3
hw/bsp/stm32f072disco/board.mk
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@ -24,7 +24,8 @@ SRC_C += \
$(ST_HAL_DRIVER)/Src/stm32f0xx_hal_cortex.c \
$(ST_HAL_DRIVER)/Src/stm32f0xx_hal_rcc.c \
$(ST_HAL_DRIVER)/Src/stm32f0xx_hal_rcc_ex.c \
$(ST_HAL_DRIVER)/Src/stm32f0xx_hal_gpio.c
$(ST_HAL_DRIVER)/Src/stm32f0xx_hal_gpio.c \
$(ST_HAL_DRIVER)/Src/stm32f0xx_hal_uart.c
SRC_S += \
$(ST_CMSIS)/Source/Templates/gcc/startup_stm32f072xb.s

50
hw/bsp/stm32f072disco/stm32f072disco.c
View File

@ -37,6 +37,24 @@
#define BUTTON_PIN GPIO_PIN_0
#define BUTTON_STATE_ACTIVE 1
#define UARTx USART1
#define UART_GPIO_PORT GPIOA
#define UART_GPIO_AF GPIO_AF1_USART1
#define UART_TX_PIN GPIO_PIN_9
#define UART_RX_PIN GPIO_PIN_10
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_GPIOC_CLK_ENABLE(); // LED
//__HAL_RCC_GPIOA_CLK_ENABLE(); // Button
//__HAL_RCC_GPIOA_CLK_ENABLE(); // Uart tx, rx
__HAL_RCC_USART1_CLK_ENABLE(); // Uart module
}
/**
* @brief System Clock Configuration
@ -83,12 +101,11 @@ void board_init(void)
#endif
SystemClock_Config();
// Notify runtime of frequency change.
SystemCoreClockUpdate();
all_rcc_clk_enable();
// LED
__HAL_RCC_GPIOC_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = LED_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
@ -97,16 +114,32 @@ void board_init(void)
HAL_GPIO_Init(LED_PORT, &GPIO_InitStruct);
// Button
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitStruct.Pin = BUTTON_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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_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);
// USB Pins
// Configure USB DM and DP pins. This is optional, and maintained only for user guidance.
__HAL_RCC_GPIOA_CLK_ENABLE();
GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
@ -139,8 +172,8 @@ int board_uart_read(uint8_t* buf, int len)
int board_uart_write(void const * buf, int len)
{
(void) buf; (void) len;
return 0;
HAL_UART_Transmit(&UartHandle, (uint8_t*) buf, len, 0xffff);
return len;
}
#if CFG_TUSB_OS == OPT_OS_NONE
@ -170,7 +203,8 @@ void HardFault_Handler (void)
* @retval None
*/
void assert_failed(char *file, uint32_t line)
{
{
(void) file; (void) line;
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

4
hw/bsp/stm32f072disco/stm32f0xx_hal_conf.h
View File

@ -66,8 +66,8 @@
/*#define HAL_RTC_MODULE_ENABLED */
/*#define HAL_SPI_MODULE_ENABLED */
/*#define HAL_TIM_MODULE_ENABLED */
/*#define HAL_UART_MODULE_ENABLED */
#define HAL_USART_MODULE_ENABLED
#define HAL_UART_MODULE_ENABLED
//#define HAL_USART_MODULE_ENABLED
/*#define HAL_IRDA_MODULE_ENABLED */
/*#define HAL_SMARTCARD_MODULE_ENABLED */
/*#define HAL_SMBUS_MODULE_ENABLED */