- #include "main.h"
- /* Private includes ----------------------------------------------------------*/
- /* USER CODE BEGIN Includes */
- #define DIN_PIN GPIO_PIN_10
- #define DIN_GPIO_PORT GPIOC
- #define DIN_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
- #define DIN_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE()
- #define LOAD_PIN GPIO_PIN_12
- #define LOAD_GPIO_PORT GPIOC
- #define LOAD_GPIO_CLK_ENABLE() __HAL_RCC_GPIOC_CLK_ENABLE()
- #define LOAD_GPIO_CLK_DISABLE() __HAL_RCC_GPIOC_CLK_DISABLE()
- #define CLK_PIN GPIO_PIN_3
- #define CLK_GPIO_PORT GPIOH
- #define CLK_GPIO_CLK_ENABLE() __HAL_RCC_GPIOH_CLK_ENABLE()
- #define CLK_GPIO_CLK_DISABLE() __HAL_RCC_GPIOH_CLK_DISABLE()
- /* 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 */
- static GPIO_InitTypeDef GPIO_InitStruct;
- /* USER CODE END PV */
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- static void SystemPower_Config(void);
- static void MX_ICACHE_Init(void);
- /* USER CODE BEGIN PFP */
- #define CLK_0 HAL_GPIO_WritePin(CLK_GPIO_PORT,GPIO_PIN_3,GPIO_PIN_RESET)
- #define CLK_1 HAL_GPIO_WritePin(CLK_GPIO_PORT,GPIO_PIN_3,GPIO_PIN_SET)
- #define LOAD_0 HAL_GPIO_WritePin(LOAD_GPIO_PORT,GPIO_PIN_12,GPIO_PIN_RESET)
- #define LOAD_1 HAL_GPIO_WritePin(LOAD_GPIO_PORT,GPIO_PIN_12,GPIO_PIN_SET)
- #define DIN_0 HAL_GPIO_WritePin(DIN_GPIO_PORT,GPIO_PIN_10,GPIO_PIN_RESET)
- #define DIN_1 HAL_GPIO_WritePin(DIN_GPIO_PORT,GPIO_PIN_10,GPIO_PIN_SET)
- #define NoOp 0x00 //??2ù×÷??'??÷
- #define Digit0 0x01 // êy??1ü1??'??÷
- #define Digit1 0x02 // êy??1ü2??'??÷
- #define Digit2 0x03 // êy??1ü3??'??÷
- #define Digit3 0x04 // êy??1ü4??'??÷
- #define Digit4 0x05 // êy??1ü5??'??÷
- #define Digit5 0x06 // êy??1ü6??'??÷
- #define Digit6 0x07 // êy??1ü7??'??÷
- #define Digit7 0x08 // êy??1ü8??'??÷
- #define DecodeMode 0x09 // ò?????ê???'??÷
- #define Intensity 0x0a // áá?è??'??÷
- #define ScanLimit 0x0b // é¨?è??êy??'??÷
- #define ShutDown 0x0c // µí1|o???ê???'??÷
- #define DisplayTest 0x0f // ??ê?2aê???'??÷
- #define ShutdownMode 0x00 // µí1|o?·?ê?
- #define NormalOperation 0x01 // ?y3?2ù×÷·?ê?
- #define ScanDigit 0x07 // é¨?è??êyéè??????ê?8??êy??1ü
- #define DecodeDigit 0xff // ò???éè????8???ù?aBCD??
- #define IntensityGrade 0x0a // áá?è??±eéè??
- #define TestMode 0x01 // ??ê?2aê???ê?
- #define TextEnd 0x00 // ??ê?2aê??áê??????'?y3?1¤×÷??ê?
- /*****************************************************************************
- * Function implementation - global ('extern') and local ('static')
- ******************************************************************************/
- uint8_t DisBuffer[8]={0,0,0,0,0,0,0,0}; // ??ê??o'???
- //******************?óê±toá??**************************************
- void delay(uint16_t t)
- {
- uint16_t i;
- while(t--)
- {
- /* ??óú12Mê±?ó?????óê±1ms */
- for (i=0;i<36;i++)
- {}
- }
- }
- //*************?òMAX7219D'è?×??ú?¨8????********************
- void SendChar (uint8_t ch)
- {
- uint8_t i,temp;
- delay(1);
- for (i=0;i<8;i++)
- {
- temp=ch&0x80;
- ch=ch<<1;
- if(temp)
- {
- DIN_1;
- delay(1);
- CLK_0;
- delay(1);
- CLK_1;
- delay(1);
- }
- else
- {
- DIN_0;
- delay(1);
- CLK_0;
- delay(1);
- CLK_1;
- delay(1);
- }
- }
- }
- //**************?òMAX7219D'è?×??¨16????*****************************
- void WriteWord (uint8_t addr,uint8_t num)
- {
- LOAD_0;
- delay(1);
- SendChar(addr);
- delay(1);
- SendChar(num);
- delay(1);
- LOAD_1; // ??'????àó|??'??÷
- }
- //*********************** MAX72193?ê??¯ ******************
- void InitDisplay (void)
- {
- WriteWord (ScanLimit,ScanDigit); // éè??é¨?è???T
- WriteWord (DecodeMode,DecodeDigit); // éè??ò?????ê?
- WriteWord (Intensity,IntensityGrade); // éè??áá?è
- WriteWord (ShutDown,NormalOperation); // éè???a?y3?1¤×÷??ê?
- }
- /* USER CODE END PFP */
- /* Private user code ---------------------------------------------------------*/
- /* USER CODE BEGIN 0 */
- /* USER CODE END 0 */
- /**
- * [url=home.php?mod=space&uid=247401]@brief[/url] 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();
- /* Configure the System Power */
- SystemPower_Config();
- /* USER CODE BEGIN SysInit */
- /* USER CODE END SysInit */
- /* Initialize all configured peripherals */
- MX_ICACHE_Init();
- /* USER CODE BEGIN 2 */
- /* -1- Enable GPIO Clock (to be able to program the configuration registers) */
- LED1_GPIO_CLK_ENABLE();
- LED2_GPIO_CLK_ENABLE();
- DIN_GPIO_CLK_ENABLE();
- LOAD_GPIO_CLK_ENABLE();
- CLK_GPIO_CLK_ENABLE();
- /* -2- Configure IO in output push-pull mode to drive external LEDs */
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Pull = GPIO_PULLUP;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
- GPIO_InitStruct.Pin = LED1_PIN;
- HAL_GPIO_Init(LED1_GPIO_PORT, &GPIO_InitStruct);
- GPIO_InitStruct.Pin = LED2_PIN;
- HAL_GPIO_Init(LED2_GPIO_PORT, &GPIO_InitStruct);
- /* USER CODE END 2 */
- GPIO_InitStruct.Pin = CLK_PIN;
- HAL_GPIO_Init(CLK_GPIO_PORT, &GPIO_InitStruct);
- GPIO_InitStruct.Pin = LOAD_PIN;
- HAL_GPIO_Init(LOAD_GPIO_PORT, &GPIO_InitStruct);
- GPIO_InitStruct.Pin = DIN_PIN;
- HAL_GPIO_Init(DIN_GPIO_PORT, &GPIO_InitStruct);
- /* Infinite loop */
- InitDisplay (); // MAX7219???
- WriteWord(DisplayTest,TestMode); // ??????,????LED
- delay(1500); // ???1.5s
- WriteWord (DisplayTest,TextEnd); // ????????
- WriteWord (Digit0,0);
- WriteWord (Digit1,1);
- WriteWord (Digit2,2);
- WriteWord (Digit3,3);
- /* USER CODE BEGIN WHILE */
- while (1)
- {
- /* USER CODE END WHILE */
- /* USER CODE BEGIN 3 */
-
- /* Insert delay 100 ms */
- InitDisplay (); // MAX7219???
- delay(150); // ???1.5s
- WriteWord (DisplayTest,TextEnd); // ????????
- WriteWord (Digit0,0);
- WriteWord (Digit1,1);
- WriteWord (Digit2,2);
- WriteWord (Digit3,3);
- }
- /* USER CODE END 3 */
- }
- /**
- * @brief 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();
- }
- }
- /**
- * @brief Power Configuration
- * @retval None
- */
- static void SystemPower_Config(void)
- {
- /*
- * Disable the internal Pull-Up in Dead Battery pins of UCPD peripheral
- */
- HAL_PWREx_DisableUCPDDeadBattery();
- /*
- * Switch to SMPS regulator instead of LDO
- */
- if (HAL_PWREx_ConfigSupply(PWR_SMPS_SUPPLY) != HAL_OK)
- {
- Error_Handler();
- }
- }
- /**
- * @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 */
- /* 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 */
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