main.c 4.7 KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * @file : main.c
  5. * @brief : Main program body
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * Copyright (c) 2025 STMicroelectronics.
  10. * All rights reserved.
  11. *
  12. * This software is licensed under terms that can be found in the LICENSE file
  13. * in the root directory of this software component.
  14. * If no LICENSE file comes with this software, it is provided AS-IS.
  15. *
  16. ******************************************************************************
  17. */
  18. /* USER CODE END Header */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "main.h"
  21. #include "adc.h"
  22. #include "dma.h"
  23. #include "iwdg.h"
  24. #include "usart.h"
  25. #include "gpio.h"
  26. #include "math.h"
  27. extern ADC_HandleTypeDef hadc;
  28. extern IWDG_HandleTypeDef hiwdg;
  29. Data da={0};
  30. Tx_Data tx_voltage={0};
  31. void SystemClock_Config(void);
  32. volatile uint16_t adc_buff[2] = {0};
  33. uint16_t adc_val[30] = {0};
  34. static void get_adc_val()
  35. {
  36. uint32_t value = 0;
  37. float temp = 0.0;
  38. for(int i = 0 ;i < ADC_CONVERT_COUNT;i++)
  39. {
  40. HAL_ADC_Start_DMA(&hadc,(uint32_t*)adc_buff,1);
  41. value += (adc_buff[0]);
  42. //adc_val[i] = adc_buff[0];
  43. HAL_Delay(1);
  44. }
  45. value /= ADC_CONVERT_COUNT;
  46. //calculate voltage
  47. value *=1000;
  48. value *=Vref;
  49. value >>= 12;
  50. temp = value;
  51. temp *= ALL_RES;
  52. temp /= GATHER_RES;
  53. temp /= 10.0;
  54. // if(temp > 50)
  55. // temp+=(500);
  56. if(temp < 500)
  57. temp = 0;
  58. tx_voltage.f_data = temp;
  59. }
  60. int main(void)
  61. {
  62. HAL_Init();
  63. SystemClock_Config();
  64. MX_GPIO_Init();
  65. MX_DMA_Init();
  66. MX_ADC_Init();
  67. MX_USART1_UART_Init();
  68. HAL_Delay(500);
  69. MX_IWDG_Init();
  70. HAL_ADCEx_Calibration_Start(&hadc);
  71. while (1)
  72. {
  73. //HAL_UART_Transmit(&huart1,(uint8_t*)(&tx_voltage.u8_tx),sizeof(tx_voltage),0xffff);
  74. HAL_IWDG_Refresh(&hiwdg);
  75. get_adc_val();
  76. HAL_Delay(100);
  77. }
  78. }
  79. /**
  80. * @brief System Clock Configuration
  81. * @retval None
  82. */
  83. void SystemClock_Config(void)
  84. {
  85. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  86. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  87. RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
  88. /** Initializes the RCC Oscillators according to the specified parameters
  89. * in the RCC_OscInitTypeDef structure.
  90. */
  91. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSI14
  92. |RCC_OSCILLATORTYPE_LSI;
  93. RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  94. RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
  95. RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  96. RCC_OscInitStruct.HSI14CalibrationValue = 16;
  97. RCC_OscInitStruct.LSIState = RCC_LSI_ON;
  98. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  99. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  100. RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12;
  101. RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
  102. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  103. {
  104. Error_Handler();
  105. }
  106. /** Initializes the CPU, AHB and APB buses clocks
  107. */
  108. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  109. |RCC_CLOCKTYPE_PCLK1;
  110. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  111. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  112. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  113. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  114. {
  115. Error_Handler();
  116. }
  117. PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
  118. PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
  119. if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  120. {
  121. Error_Handler();
  122. }
  123. }
  124. /* USER CODE BEGIN 4 */
  125. /* USER CODE END 4 */
  126. /**
  127. * @brief This function is executed in case of error occurrence.
  128. * @retval None
  129. */
  130. void Error_Handler(void)
  131. {
  132. /* USER CODE BEGIN Error_Handler_Debug */
  133. /* User can add his own implementation to report the HAL error return state */
  134. __disable_irq();
  135. while (1)
  136. {
  137. }
  138. /* USER CODE END Error_Handler_Debug */
  139. }
  140. #ifdef USE_FULL_ASSERT
  141. /**
  142. * @brief Reports the name of the source file and the source line number
  143. * where the assert_param error has occurred.
  144. * @param file: pointer to the source file name
  145. * @param line: assert_param error line source number
  146. * @retval None
  147. */
  148. void assert_failed(uint8_t *file, uint32_t line)
  149. {
  150. /* USER CODE BEGIN 6 */
  151. /* User can add his own implementation to report the file name and line number,
  152. ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  153. /* USER CODE END 6 */
  154. }
  155. #endif /* USE_FULL_ASSERT */