File content as of revision 26:a047b389adfd:

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#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 ---------------------------------------------------------*/
UART_HandleTypeDef huart2;

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART2_UART_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

//10の割り算 0から1028までは、正しい。主に0から999
#define DVI10(n) ((n*205)>>11)

#define swdio  GPIO_PIN_7   //A6
#define swdclk GPIO_PIN_5   //A4
#define en     GPIO_PIN_4   //A3

#define DW(AAA,BBB)  HAL_GPIO_WritePin(GPIOA,AAA,BBB)

GPIO_PinState bi1[]={GPIO_PIN_RESET,GPIO_PIN_SET};

//1文字送信
void seg1(char v,int rs)
{
    for(int jj=0;jj<8;jj++){
        if( (v<<jj) & 0x80 ){
                DW(swdio,GPIO_PIN_SET);   //ビットが1 
        } else {
                DW(swdio,GPIO_PIN_RESET); //ビットが0
        }//endif
        DW(swdclk,GPIO_PIN_SET);DW(swdclk,GPIO_PIN_RESET); //clk
    }//for
    DW(swdio, bi1[rs] );
    DW(en,GPIO_PIN_SET);   HAL_Delay(1); //ビットが1 
    DW(en,GPIO_PIN_RESET);               //ビットが0      
}//seg1

//文字列の表示 nana_seg
int ns_printf(char *str1) {

    //文字の中身がゼロか
    while(*str1){

        //一文字出力
        seg1( *str1 ++ , 1  );

    } //while

    //戻り値
    return(0);
}//ns_printf

ADC_HandleTypeDef hadc;

void ADC_INIT1(){

    //__HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_ADC1_CLK_ENABLE();

    GPIO_InitTypeDef GPIO_InitStruct = {0};
    GPIO_InitStruct.Pin = GPIO_PIN_0;
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    //ADC_HandleTypeDef hadc;

    hadc.Instance = ADC1;
    hadc.Init.OversamplingMode = DISABLE;
    hadc.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV1;
    hadc.Init.Resolution = ADC_RESOLUTION_12B;
    hadc.Init.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
    hadc.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;
    hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
    hadc.Init.ContinuousConvMode = DISABLE;
    hadc.Init.DiscontinuousConvMode = DISABLE;
    hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
    hadc.Init.ExternalTrigConv = ADC_SOFTWARE_START;
    hadc.Init.DMAContinuousRequests = DISABLE;
    hadc.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
    hadc.Init.Overrun = ADC_OVR_DATA_PRESERVED;
    hadc.Init.LowPowerAutoWait = DISABLE;
    hadc.Init.LowPowerFrequencyMode = ENABLE;
    hadc.Init.LowPowerAutoPowerOff = DISABLE;
    HAL_ADC_Init(&hadc);

    ADC_ChannelConfTypeDef sConfig = {0};
    sConfig.Channel = ADC_CHANNEL_0;
    sConfig.Rank = ADC_RANK_CHANNEL_NUMBER;
    HAL_ADC_ConfigChannel(&hadc, &sConfig);

}//ADC_INIT1

//液晶初期化配列
int lcd_int[]={
  0x30,0x30,0x30,0x38,0x08,0x01,0x06,0x08+0x04
};//lcd_init



/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* 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_GPIO_Init();
  MX_USART2_UART_Init();
  /* USER CODE BEGIN 2 */


    char data_read[8]; //バッファー
    int  tempval;      //温度


    //ADCの初期化
    ADC_INIT1();


    //GPIOの初期化
    DW(en,GPIO_PIN_RESET);     //ビットが0 
    DW(swdclk,GPIO_PIN_RESET); //ビットが0 

    //液晶の初期化
    for(int ii=0;ii<8;ii++){ 
        seg1( lcd_int[ii] , 0);HAL_Delay(2);
    }//for

    //画面クリア
    seg1(   0x01  , 0  ); 
    HAL_Delay(1000);

    seg1( 0x80+0x00 , 0  ); //1ライン目にカーソルを移動
    ns_printf("START");HAL_Delay(1500); //debug

    //画面クリア
    seg1(   0x01  , 0  ); 
    HAL_Delay(5);

    int a;

  /* USER CODE END 2 */

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


        seg1( 0x80+0x00 , 0  ); //1ライン目にカーソルを移動

        //温度センサーの初期化
        //set address 0

        //温度の読み込み
        // Read temperature register
        a=4096;
        HAL_ADC_Start(&hadc);
        if( HAL_ADC_PollForConversion(&hadc, 1000) == HAL_OK )
        {
            a = HAL_ADC_GetValue(&hadc);
        }
        HAL_ADC_Stop(&hadc);

        //温度の保存
        // Calculate temperature value in Celcius

        tempval =((a*(1692+500))>>12)-205;
        //tempval = 1234; //debug

        //表示用の変数の初期化
        int s = tempval;
        int n0,n10,n100,n1000;

        n10   = (s*6554)>>16;;     // 1234 -> 123
        n0    = s - (n10 *10);     // 1234 -  1230 -> 4
        n100  = DVI10(n10);        // 123  -> 12
        n10   = n10 - (n100 *10);  // 123  -  120 -> 3
        n1000 = DVI10(n100);       // 12   -> 1
        n100  = n100 - (n1000*10); // 12   -  10  -> 2

        //画面に表示
        data_read[0] = '0' + n1000;
        data_read[1] = '0' + n100;
        data_read[2] = '0' + n10;
        data_read[3] = '.';
        data_read[4] = '0' + n0;
        data_read[5] = 'C';
        data_read[6] = 0;
        ns_printf(data_read);

        //1.7秒待つ ちらつき防止
        HAL_Delay(1700);


    /* USER CODE BEGIN 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};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Configure the main internal regulator output voltage
  */
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_4;
  RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
  PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief USART2 Initialization Function
  * @param None
  * @retval None
  */
static void MX_USART2_UART_Init(void)
{

  /* USER CODE BEGIN USART2_Init 0 */

  /* USER CODE END USART2_Init 0 */

  /* USER CODE BEGIN USART2_Init 1 */

  /* USER CODE END USART2_Init 1 */
  huart2.Instance = USART2;
  huart2.Init.BaudRate = 115200;
  huart2.Init.WordLength = UART_WORDLENGTH_8B;
  huart2.Init.StopBits = UART_STOPBITS_1;
  huart2.Init.Parity = UART_PARITY_NONE;
  huart2.Init.Mode = UART_MODE_TX_RX;
  huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart2.Init.OverSampling = UART_OVERSAMPLING_16;
  huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
  huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart2) != HAL_OK)
  {
    Error_Handler();
  }
  /* USER CODE BEGIN USART2_Init 2 */

  /* USER CODE END USART2_Init 2 */

}

/**
  * @brief GPIO Initialization Function
  * @param None
  * @retval None
  */
static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(LD3_GPIO_Port, LD3_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin : LD3_Pin */
  GPIO_InitStruct.Pin = LD3_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(LD3_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pin : LD3_Pin */
  GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_7;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

}

/* 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 */
  __disable_irq();
  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) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/