main.cpp 1.8 KB

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  1. #include "stm32g0xx_hal.h"
  2. #include "uart_bridge.h"
  3. void SystemClock_Config(void);
  4. void Error_Handler(void);
  5. //static void MX_GPIO_Init(void);
  6. int main()
  7. {
  8. HAL_Init();
  9. SystemClock_Config();
  10. init_usart();
  11. while (true)
  12. {
  13. ub_send_test_byte();
  14. HAL_Delay(1000);
  15. }
  16. //MX_GPIO_Init();
  17. return 0;
  18. }
  19. void SystemClock_Config(void)
  20. {
  21. RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  22. RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  23. /** Configure the main internal regulator output voltage
  24. */
  25. HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
  26. /** Initializes the RCC Oscillators according to the specified parameters
  27. * in the RCC_OscInitTypeDef structure.
  28. */
  29. RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  30. RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  31. RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
  32. RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  33. RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  34. RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  35. RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
  36. RCC_OscInitStruct.PLL.PLLN = 16;
  37. RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  38. RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV4;
  39. if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  40. {
  41. Error_Handler();
  42. }
  43. /** Initializes the CPU, AHB and APB buses clocks
  44. */
  45. RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  46. |RCC_CLOCKTYPE_PCLK1;
  47. RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  48. RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  49. RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  50. if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  51. {
  52. Error_Handler();
  53. }
  54. }
  55. //
  56. void Error_Handler(void)
  57. {
  58. __disable_irq();
  59. while (1) {}
  60. }