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/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file Examples_LL/UTILS/UTILS_ReadDeviceInfo/Src/main.c
* @author MCD Application Team
* @brief This example describes how to read UID, Device ID and Revision ID
* through the STM32WBxx UTILS LL API.
******************************************************************************
* @attention
*
* Copyright (c) 2019-2021 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 */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* Buffer used for displaying different UTILS info */
uint8_t aShowDeviceID[30] = {0};
uint8_t aShowRevisionID[30] = {0};
uint8_t aShowCoordinate[40] = {0};
uint8_t aShowWaferNumber[30] = {0};
uint8_t aShowLotNumber[30] = {0};
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
void PeriphCommonClock_Config(void);
/* USER CODE BEGIN PFP */
void GetMCUInfo(void);
/* 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 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
/* System interrupt init*/
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* Configure the peripherals common clocks */
PeriphCommonClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
/* USER CODE BEGIN 2 */
/* Get different information available in the MCU */
GetMCUInfo();
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
LL_FLASH_SetLatency(LL_FLASH_LATENCY_3);
while(LL_FLASH_GetLatency() != LL_FLASH_LATENCY_3)
{
}
/* HSI configuration and activation */
LL_RCC_HSI_Enable();
while(LL_RCC_HSI_IsReady() != 1)
{
}
/* MSI configuration and activation */
LL_RCC_MSI_Enable();
while(LL_RCC_MSI_IsReady() != 1)
{
}
/* Main PLL configuration and activation */
LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_MSI, LL_RCC_PLLM_DIV_1, 32, LL_RCC_PLLR_DIV_2);
LL_RCC_PLL_Enable();
LL_RCC_PLL_EnableDomain_SYS();
while(LL_RCC_PLL_IsReady() != 1)
{
}
/* Sysclk activation on the main PLL */
/* Set CPU1 prescaler*/
LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
/* Set CPU2 prescaler*/
LL_C2_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_2);
LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL);
while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL)
{
}
/* Set AHB SHARED prescaler*/
LL_RCC_SetAHB4Prescaler(LL_RCC_SYSCLK_DIV_1);
/* Set APB1 prescaler*/
LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
/* Set APB2 prescaler*/
LL_RCC_SetAPB2Prescaler(LL_RCC_APB2_DIV_1);
LL_Init1msTick(64000000);
/* Update CMSIS variable (which can be updated also through SystemCoreClockUpdate function) */
LL_SetSystemCoreClock(64000000);
}
/**
* @brief Peripherals Common Clock Configuration
* @retval None
*/
void PeriphCommonClock_Config(void)
{
LL_RCC_SetSMPSClockSource(LL_RCC_SMPS_CLKSOURCE_HSI);
LL_RCC_SetSMPSPrescaler(LL_RCC_SMPS_DIV_1);
LL_RCC_SetRFWKPClockSource(LL_RCC_RFWKP_CLKSOURCE_NONE);
/* USER CODE BEGIN Smps */
/* USER CODE END Smps */
}
/* USER CODE BEGIN 4 */
/**
* @brief Get different information available in the MCU (Device ID, Revision ID & UID)
* @param None
* @retval None
*/
void GetMCUInfo(void)
{
register uint32_t size_string = 0, read_info = 0, read_info2 = 0;
/* Display Device ID in string format */
sprintf((char *)aShowDeviceID, "Device ID = 0x%lX", LL_DBGMCU_GetDeviceID());
/* Display Revision ID in string format */
sprintf((char *)aShowRevisionID, "Revision ID = 0x%lX", LL_DBGMCU_GetRevisionID());
/* Display X and Y coordinates on the wafer expressed in BCD format */
sprintf((char *)aShowCoordinate, "X and Y coordinates = 0x%lX", LL_GetUID_Word0());
/* Display Waver number and lot number in string format */
read_info = LL_GetUID_Word1();
read_info2 = LL_GetUID_Word2();
sprintf((char *)aShowWaferNumber, "Wafer NB = 0x%X", (uint8_t)read_info);
size_string = sprintf((char *)aShowLotNumber, "Lot NB = 0x%lX", read_info2);
sprintf((char *)aShowLotNumber + size_string, "%lX", (read_info >> 8));
}
/* USER CODE END 4 */
/**
* @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 */
/* 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,
tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
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