main.c 4.6 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. extern ADC_HandleTypeDef hadc;
  27. Data da={0};
  28. Tx_Data tx_voltage={0};
  29. void SystemClock_Config(void);
  30. volatile uint16_t adc_buff[2] = {0};
  31. uint16_t adc_val[30] = {0};
  32. static void get_adc_val()
  33. {
  34. uint32_t value = 0;
  35. float temp = 0.0;
  36. for(int i = 0 ;i < ADC_CONVERT_COUNT;i++)
  37. {
  38. HAL_ADC_Start_DMA(&hadc,(uint32_t*)adc_buff,2);
  39. value += (adc_buff[0]);
  40. //adc_val[i] = adc_buff[0];
  41. HAL_Delay(1);
  42. }
  43. value /= ADC_CONVERT_COUNT;
  44. //calculate voltage
  45. value *=1000;
  46. value *=Vref;
  47. value >>= 12;
  48. temp = value;
  49. temp *= ALL_RES;
  50. temp /= GATHER_RES;
  51. temp /= 10.0;
  52. temp /= 1000.0;
  53. tx_voltage.f_data = temp;
  54. }
  55. int main(void)
  56. {
  57. HAL_Init();
  58. SystemClock_Config();
  59. MX_GPIO_Init();
  60. MX_DMA_Init();
  61. MX_ADC_Init();
  62. MX_USART1_UART_Init();
  63. //MX_IWDG_Init();
  64. HAL_ADCEx_Calibration_Start(&hadc);
  65. while (1)
  66. {
  67. //HAL_UART_Transmit(&huart1,(uint8_t*)(&tx_voltage.u8_tx),sizeof(tx_voltage),0xffff);
  68. get_adc_val();
  69. HAL_Delay(100);
  70. }
  71. }
  72. /**
  73. * @brief System Clock Configuration
  74. * @retval None
  75. */
  76. void SystemClock_Config(void)
  77. {
  78. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  79. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  80. RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
  81. /** Initializes the RCC Oscillators according to the specified parameters
  82. * in the RCC_OscInitTypeDef structure.
  83. */
  84. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSI14
  85. |RCC_OSCILLATORTYPE_LSI;
  86. RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  87. RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
  88. RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  89. RCC_OscInitStruct.HSI14CalibrationValue = 16;
  90. RCC_OscInitStruct.LSIState = RCC_LSI_ON;
  91. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  92. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  93. RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12;
  94. RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
  95. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  96. {
  97. Error_Handler();
  98. }
  99. /** Initializes the CPU, AHB and APB buses clocks
  100. */
  101. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  102. |RCC_CLOCKTYPE_PCLK1;
  103. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  104. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  105. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  106. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  107. {
  108. Error_Handler();
  109. }
  110. PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
  111. PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1;
  112. if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  113. {
  114. Error_Handler();
  115. }
  116. }
  117. /* USER CODE BEGIN 4 */
  118. /* USER CODE END 4 */
  119. /**
  120. * @brief This function is executed in case of error occurrence.
  121. * @retval None
  122. */
  123. void Error_Handler(void)
  124. {
  125. /* USER CODE BEGIN Error_Handler_Debug */
  126. /* User can add his own implementation to report the HAL error return state */
  127. __disable_irq();
  128. while (1)
  129. {
  130. }
  131. /* USER CODE END Error_Handler_Debug */
  132. }
  133. #ifdef USE_FULL_ASSERT
  134. /**
  135. * @brief Reports the name of the source file and the source line number
  136. * where the assert_param error has occurred.
  137. * @param file: pointer to the source file name
  138. * @param line: assert_param error line source number
  139. * @retval None
  140. */
  141. void assert_failed(uint8_t *file, uint32_t line)
  142. {
  143. /* USER CODE BEGIN 6 */
  144. /* User can add his own implementation to report the file name and line number,
  145. ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  146. /* USER CODE END 6 */
  147. }
  148. #endif /* USE_FULL_ASSERT */