[Ultra-low power STM32U5 IoT exploration kit] U5 ultra-low power and ultra-high performance test GPIO lighting (Part 2)

mameng

[Ultra-low power STM32U5 IoT exploration kit] U5 ultra-low power and ultra-high performance test GPIO lighting (Part 2) [Copy link]

STM32U5 highlights Compared with the traditional STM32Lx series low-power MCU, STM32U5 has many advantages:
First: 40nm process technology
The previous STM32 used 90nm process technology, and this time STM32U5 uses 40nm process technology.
The more advanced the process, the better the power consumption performance, which is why the dynamic power consumption of STM32U5 can be as low as 19μA/MHz.
Second: 160MHz main frequency The previous STM32Lx series low-power MCU main frequency was relatively low, and the highest main frequency of STM32L4+ in the STM32Lx series was only 120MHz. STM32U5 has high performance with 240 DMIPS and 651 CoreMark scores.
Today, with more and more product functions and richer and richer, more events need to be processed, so the higher the main frequency, the higher its performance.
Third: Stronger Flash STM32U5 uses higher-density transistors and more advanced technologies to make Flash life longer. STM32U5 will support up to 4M Flash capacity.

Since it is the latest processor, it is necessary to upgrade all ST ecological tools to the latest version: STM32CubeProgrammer 2.8, STM32CubeMX-6.3.0-Win 6.3 version

Generated by STM32CubeMX, using the STM32U5xx HAL API library. GPIO lighting program, the program is almost the same as the STM32F1 series, there is no need to consider the register difference, the program compatibility is high

#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 */
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_ICACHE_Init(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
static void EXTI13_IRQHandler_Config(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 */
  /* STM32U5xx HAL library initialization:
       - Configure the Flash prefetch
       - Configure the Systick to generate an interrupt each 1 msec
       - Set NVIC Group Priority to 3
       - Low Level Initialization
     */
  /* USER CODE END 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 SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_ICACHE_Init();
  /* USER CODE BEGIN 2 */
  /* -1- Initialize LEDs mounted on B-U585I-IOT02A board */
  BSP_LED_Init(LED7);

  /* -2- Configure External line 13 (connected to PC.13 pin) in interrupt mode */
  EXTI13_IRQHandler_Config();

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */

  }
  /* USER CODE END 3 */
}

/**
  * [url=home.php?mod=space&uid=159083]@brief[/url] System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure the main internal regulator output voltage
  */
  if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB busses clocks
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
  RCC_OscInitStruct.MSIState = RCC_MSI_ON;
  RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_4;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
  RCC_OscInitStruct.PLL.PLLMBOOST = RCC_PLLMBOOST_DIV1;
  RCC_OscInitStruct.PLL.PLLM = 1;
  RCC_OscInitStruct.PLL.PLLN = 80;
  RCC_OscInitStruct.PLL.PLLP = 2;
  RCC_OscInitStruct.PLL.PLLQ = 2;
  RCC_OscInitStruct.PLL.PLLR = 2;
  RCC_OscInitStruct.PLL.PLLRGE = RCC_PLLVCIRANGE_0;
  RCC_OscInitStruct.PLL.PLLFRACN = 0;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB busses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
                              |RCC_CLOCKTYPE_PCLK3;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB3CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
  {
    Error_Handler();
  }
  __HAL_RCC_PWR_CLK_DISABLE();
}

/**
  * @brief ICACHE Initialization Function
  * @param None
  * @retval None
  */
static void MX_ICACHE_Init(void)
{

  /* USER CODE BEGIN ICACHE_Init 0 */

  /* USER CODE END ICACHE_Init 0 */

  /* USER CODE BEGIN ICACHE_Init 1 */

  /* USER CODE END ICACHE_Init 1 */
  /** Enable instruction cache in 1-way (direct mapped cache)
  */
  if (HAL_ICACHE_ConfigAssociativityMode(ICACHE_1WAY) != HAL_OK)
  {
    Error_Handler();
  }
  if (HAL_ICACHE_Enable() != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN ICACHE_Init 2 */

  /* USER CODE END ICACHE_Init 2 */

}

/* USER CODE BEGIN 4 */
/**
  * @brief  Configures EXTI line 13 (connected to PC.13 pin) in interrupt mode
  * @param  None
  * @retval None
  */
static void EXTI13_IRQHandler_Config(void)
{
  GPIO_InitTypeDef   GPIO_InitStructure;


  /* Enable GPIOC clock */
  __HAL_RCC_GPIOC_CLK_ENABLE();

  /* Configure PC.13 pin as input floating */
  GPIO_InitStructure.Mode = GPIO_MODE_IT_FALLING;


  GPIO_InitStructure.Pull = GPIO_NOPULL;
  GPIO_InitStructure.Pin = BUTTON_USER_PIN;
  HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);


  /* Enable and set line 13 Interrupt to the lowest priority */
  HAL_NVIC_SetPriority(EXTI13_IRQn, 2, 0);
  HAL_NVIC_EnableIRQ(EXTI13_IRQn);
}


/**
  * @brief EXTI line detection callbacks
  * @param GPIO_Pin: Specifies the pins connected EXTI line
  * @retval None
  */
void HAL_GPIO_EXTI_Falling_Callback(uint16_t GPIO_Pin)
{
  if (GPIO_Pin == BUTTON_USER_PIN)
  {
    /* Toggle LED7 */
    BSP_LED_Toggle(LED7);
  }
}
/* 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 */
  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) */

  /* Infinite loop */
  while (1)
  {
  }
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

[attach ]568209[/attach][attach]568211 [/attach]

Jacktang

Low power consumption is the trend of chip development

The dynamic power consumption of STM32U5 can be as low as 19μA/MHz, which was an ideal chip in previous years.