Portenta H7
- Bottom: Tx
- Top: Rx
Tx from Arduino Portenta H7
Refer to source file stm32h747xi_main.c
Portenta H7
Tx from Arduino Portenta H7
Refer to source file stm32h747xi_main.c
/* USER CODE BEGIN Header */ | |
/** | |
****************************************************************************** | |
* @file : main.c | |
* @brief : Main program body | |
****************************************************************************** | |
* @attention | |
* | |
* Copyright (c) 2024 STMicroelectronics. | |
* All rights reserved. | |
* | |
* This software is licensed under terms that can be found in the LICENSE file | |
* in the root directory of this software component. | |
* If no LICENSE file comes with this software, it is provided AS-IS. | |
* | |
****************************************************************************** | |
*/ | |
/* USER CODE END Header */ | |
/* Includes ------------------------------------------------------------------*/ | |
#include "main.h" | |
/* Private includes ----------------------------------------------------------*/ | |
/* USER CODE BEGIN Includes */ | |
/* USER CODE END Includes */ | |
/* Private typedef -----------------------------------------------------------*/ | |
/* USER CODE BEGIN PTD */ | |
/* USER CODE END PTD */ | |
/* Private define ------------------------------------------------------------*/ | |
/* USER CODE BEGIN PD */ | |
#ifndef HSEM_ID_0 | |
#define HSEM_ID_0 (0U) /* HW semaphore 0*/ | |
#endif | |
/* USER CODE END PD */ | |
/* Private macro -------------------------------------------------------------*/ | |
/* USER CODE BEGIN PM */ | |
/* USER CODE END PM */ | |
/* Private variables ---------------------------------------------------------*/ | |
UART_HandleTypeDef huart8; | |
/* USER CODE BEGIN PV */ | |
/* USER CODE END PV */ | |
/* Private function prototypes -----------------------------------------------*/ | |
void SystemClock_Config(void); | |
static void MPU_Config(void); | |
static void MX_GPIO_Init(void); | |
static void MX_UART8_Init(void); | |
/* USER CODE BEGIN PFP */ | |
/* USER CODE END PFP */ | |
/* Private user code ---------------------------------------------------------*/ | |
/* USER CODE BEGIN 0 */ | |
/* USER CODE END 0 */ | |
/** | |
* @brief The application entry point. | |
* @retval int | |
*/ | |
int main(void) | |
{ | |
/* USER CODE BEGIN 1 */ | |
/* USER CODE END 1 */ | |
/* USER CODE BEGIN Boot_Mode_Sequence_0 */ | |
int32_t timeout; | |
/* USER CODE END Boot_Mode_Sequence_0 */ | |
/* MPU Configuration--------------------------------------------------------*/ | |
MPU_Config(); | |
/* USER CODE BEGIN Boot_Mode_Sequence_1 */ | |
/* Wait until CPU2 boots and enters in stop mode or timeout*/ | |
// timeout = 0xFFFF; | |
// while((__HAL_RCC_GET_FLAG(RCC_FLAG_D2CKRDY) != RESET) && (timeout-- > 0)); | |
// if ( timeout < 0 ) | |
// { | |
// Error_Handler(); | |
// } | |
/* USER CODE END Boot_Mode_Sequence_1 */ | |
/* MCU Configuration--------------------------------------------------------*/ | |
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */ | |
HAL_Init(); | |
/* USER CODE BEGIN Init */ | |
/* USER CODE END Init */ | |
/* Configure the system clock */ | |
SystemClock_Config(); | |
/* USER CODE BEGIN Boot_Mode_Sequence_2 */ | |
/* When system initialization is finished, Cortex-M7 will release Cortex-M4 by means of | |
HSEM notification */ | |
/*HW semaphore Clock enable*/ | |
__HAL_RCC_HSEM_CLK_ENABLE(); | |
/*Take HSEM */ | |
HAL_HSEM_FastTake(HSEM_ID_0); | |
/*Release HSEM in order to notify the CPU2(CM4)*/ | |
HAL_HSEM_Release(HSEM_ID_0,0); | |
/* wait until CPU2 wakes up from stop mode */ | |
timeout = 0xFFFF; | |
while((__HAL_RCC_GET_FLAG(RCC_FLAG_D2CKRDY) == RESET) && (timeout-- > 0)); | |
if ( timeout < 0 ) | |
{ | |
Error_Handler(); | |
} | |
/* USER CODE END Boot_Mode_Sequence_2 */ | |
/* USER CODE BEGIN SysInit */ | |
/* USER CODE END SysInit */ | |
/* Initialize all configured peripherals */ | |
MX_GPIO_Init(); | |
MX_UART8_Init(); | |
/* USER CODE BEGIN 2 */ | |
/* USER CODE END 2 */ | |
/* Infinite loop */ | |
/* USER CODE BEGIN WHILE */ | |
while (1) | |
{ | |
HAL_GPIO_TogglePin(GPIOK, GPIO_PIN_7); | |
HAL_Delay(100); | |
const uint8_t text[] = "hello from STM32CubeIDE\r\n"; | |
HAL_UART_Transmit(&huart8, text, sizeof(text), 500); | |
HAL_Delay(1000); | |
/* USER CODE END WHILE */ | |
/* USER CODE BEGIN 3 */ | |
} | |
/* USER CODE END 3 */ | |
} | |
/** | |
* @brief System Clock Configuration | |
* @retval None | |
*/ | |
void SystemClock_Config(void) | |
{ | |
RCC_OscInitTypeDef RCC_OscInitStruct = {0}; | |
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; | |
/** Supply configuration update enable | |
*/ | |
HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY); | |
/** Configure the main internal regulator output voltage | |
*/ | |
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); | |
while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {} | |
__HAL_RCC_SYSCFG_CLK_ENABLE(); | |
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0); | |
while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {} | |
/** Initializes the RCC Oscillators according to the specified parameters | |
* in the RCC_OscInitTypeDef structure. | |
*/ | |
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; | |
RCC_OscInitStruct.HSIState = RCC_HSI_DIV1; | |
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; | |
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; | |
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; | |
RCC_OscInitStruct.PLL.PLLM = 16; | |
RCC_OscInitStruct.PLL.PLLN = 240; | |
RCC_OscInitStruct.PLL.PLLP = 2; | |
RCC_OscInitStruct.PLL.PLLQ = 2; | |
RCC_OscInitStruct.PLL.PLLR = 2; | |
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2; | |
RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE; | |
RCC_OscInitStruct.PLL.PLLFRACN = 0; | |
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
/** Initializes the CPU, AHB and APB buses clocks | |
*/ | |
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK | |
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2 | |
|RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1; | |
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; | |
RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1; | |
RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2; | |
RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2; | |
RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2; | |
RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2; | |
RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2; | |
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
} | |
/** | |
* @brief UART8 Initialization Function | |
* @param None | |
* @retval None | |
*/ | |
static void MX_UART8_Init(void) | |
{ | |
/* USER CODE BEGIN UART8_Init 0 */ | |
/* USER CODE END UART8_Init 0 */ | |
/* USER CODE BEGIN UART8_Init 1 */ | |
/* USER CODE END UART8_Init 1 */ | |
huart8.Instance = UART8; | |
huart8.Init.BaudRate = 115200; | |
huart8.Init.WordLength = UART_WORDLENGTH_8B; | |
huart8.Init.StopBits = UART_STOPBITS_1; | |
huart8.Init.Parity = UART_PARITY_NONE; | |
huart8.Init.Mode = UART_MODE_TX_RX; | |
huart8.Init.HwFlowCtl = UART_HWCONTROL_NONE; | |
huart8.Init.OverSampling = UART_OVERSAMPLING_16; | |
huart8.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; | |
huart8.Init.ClockPrescaler = UART_PRESCALER_DIV1; | |
huart8.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; | |
if (HAL_UART_Init(&huart8) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
if (HAL_UARTEx_SetTxFifoThreshold(&huart8, UART_TXFIFO_THRESHOLD_1_8) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
if (HAL_UARTEx_SetRxFifoThreshold(&huart8, UART_RXFIFO_THRESHOLD_1_8) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
if (HAL_UARTEx_DisableFifoMode(&huart8) != HAL_OK) | |
{ | |
Error_Handler(); | |
} | |
/* USER CODE BEGIN UART8_Init 2 */ | |
/* USER CODE END UART8_Init 2 */ | |
} | |
/** | |
* @brief GPIO Initialization Function | |
* @param None | |
* @retval None | |
*/ | |
static void MX_GPIO_Init(void) | |
{ | |
GPIO_InitTypeDef GPIO_InitStruct = {0}; | |
/* USER CODE BEGIN MX_GPIO_Init_1 */ | |
/* USER CODE END MX_GPIO_Init_1 */ | |
/* GPIO Ports Clock Enable */ | |
__HAL_RCC_GPIOK_CLK_ENABLE(); | |
__HAL_RCC_GPIOJ_CLK_ENABLE(); | |
/*Configure GPIO pin Output Level */ | |
HAL_GPIO_WritePin(GPIOK, GPIO_PIN_7, GPIO_PIN_RESET); | |
/*Configure GPIO pin : PK7 */ | |
GPIO_InitStruct.Pin = GPIO_PIN_7; | |
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; | |
GPIO_InitStruct.Pull = GPIO_NOPULL; | |
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; | |
HAL_GPIO_Init(GPIOK, &GPIO_InitStruct); | |
/* USER CODE BEGIN MX_GPIO_Init_2 */ | |
/* USER CODE END MX_GPIO_Init_2 */ | |
} | |
/* USER CODE BEGIN 4 */ | |
/* USER CODE END 4 */ | |
/* MPU Configuration */ | |
void MPU_Config(void) | |
{ | |
MPU_Region_InitTypeDef MPU_InitStruct = {0}; | |
/* Disables the MPU */ | |
HAL_MPU_Disable(); | |
/** Initializes and configures the Region and the memory to be protected | |
*/ | |
MPU_InitStruct.Enable = MPU_REGION_ENABLE; | |
MPU_InitStruct.Number = MPU_REGION_NUMBER0; | |
MPU_InitStruct.BaseAddress = 0x0; | |
MPU_InitStruct.Size = MPU_REGION_SIZE_4GB; | |
MPU_InitStruct.SubRegionDisable = 0x87; | |
MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0; | |
MPU_InitStruct.AccessPermission = MPU_REGION_NO_ACCESS; | |
MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE; | |
MPU_InitStruct.IsShareable = MPU_ACCESS_SHAREABLE; | |
MPU_InitStruct.IsCacheable = MPU_ACCESS_NOT_CACHEABLE; | |
MPU_InitStruct.IsBufferable = MPU_ACCESS_NOT_BUFFERABLE; | |
HAL_MPU_ConfigRegion(&MPU_InitStruct); | |
/* Enables the MPU */ | |
HAL_MPU_Enable(MPU_PRIVILEGED_DEFAULT); | |
} | |
/** | |
* @brief This function is executed in case of error occurrence. | |
* @retval None | |
*/ | |
void Error_Handler(void) | |
{ | |
/* USER CODE BEGIN Error_Handler_Debug */ | |
/* User can add his own implementation to report the HAL error return state */ | |
__disable_irq(); | |
while (1) | |
{ | |
} | |
/* USER CODE END Error_Handler_Debug */ | |
} | |
#ifdef USE_FULL_ASSERT | |
/** | |
* @brief Reports the name of the source file and the source line number | |
* where the assert_param error has occurred. | |
* @param file: pointer to the source file name | |
* @param line: assert_param error line source number | |
* @retval None | |
*/ | |
void assert_failed(uint8_t *file, uint32_t line) | |
{ | |
/* USER CODE BEGIN 6 */ | |
/* User can add his own implementation to report the file name and line number, | |
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ | |
/* USER CODE END 6 */ | |
} | |
#endif /* USE_FULL_ASSERT */ |