main.c_V2

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2020 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 */
#include "string.h"
#include "stdlib.h"
#include "stdio.h"
#include "math.h"
/* 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 */
struct Napoj
{
    int id;
    float kwota;
    int ilosc;
};
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);

int concat(int a, int b, int i)
{

        if(i == 1)
        {
            char s1[20];
            char s2[20];

            // Convert both the integers to string
            sprintf(s1, "%d", a);
            sprintf(s2, "%d", b);

            // Concatenate both strings
            strcat(s1, s2);

            // Convert the concatenated string
            // to integer
            int c = atoi(s1);

            // return the formed integer
            return c;
            }
            else if(i == 0)
        {
            return b;
        }
}

float float_rand( float min, float max )
{
    float scale = rand() / (float) RAND_MAX; /* [0, 1.0] */
    return min + scale * ( max - min );      /* [min, max] */
}

int random_int(int min, int max)
{
   return min + rand() % (max+1 - min);
}

float myRound(float wartosc, int dokladnosc)
{
    float tmp = wartosc * pow(10, dokladnosc);
    tmp = floor(tmp);
    tmp /= pow(10, dokladnosc);
    return tmp;
}

void wczytajDane(struct Napoj napoje[], int tabSize)
{
    for(int i=0; i<tabSize; i++)
    {
        napoje[i].id = i;
        napoje[i].kwota = myRound(float_rand(2.0, 4.0), 1);
        napoje[i].ilosc = 5;
    }
}

/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

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

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

  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
    int nrNapoju = 0;
    int i = 0;
    float kwota = 0.0;
    int tabSize = 20;
    struct Napoj napoje[tabSize];
    wczytajDane(napoje, tabSize);

  while (1)
  {
        //zablokowanie mozlkiwosci wrzucania monet
        //moneta po wrzuceniu nie zostanie pobrana
        HAL_GPIO_WritePin(GPIOC, GPIO_PIN_1, GPIO_PIN_SET);

        //wprowadzenie nrNapoju
        if (HAL_GPIO_ReadPin(GPIOF, GPIO_PIN_0) == GPIO_PIN_SET)
        {
            nrNapoju = concat(nrNapoju, 0, i);
            i++;
            HAL_Delay(1000);
        }

        if (HAL_GPIO_ReadPin(GPIOF, GPIO_PIN_1) == GPIO_PIN_SET)
        {
            nrNapoju = concat(nrNapoju, 1, i);
            i++;
            HAL_Delay(1000);
        }

        if (HAL_GPIO_ReadPin(GPIOF, GPIO_PIN_2) == GPIO_PIN_SET)
        {
            nrNapoju = concat(nrNapoju, 2, i);
            i++;
            HAL_Delay(1000);
        }

        if (HAL_GPIO_ReadPin(GPIOF, GPIO_PIN_3) == GPIO_PIN_SET)
        {
            nrNapoju = concat(nrNapoju, 3, i);
            i++;
            HAL_Delay(1000);
        }

        if (HAL_GPIO_ReadPin(GPIOF, GPIO_PIN_4) == GPIO_PIN_SET)
        {
            nrNapoju = concat(nrNapoju, 4, i);
            i++;
            HAL_Delay(1000);
        }

        if (HAL_GPIO_ReadPin(GPIOF, GPIO_PIN_5) == GPIO_PIN_SET)
        {
            nrNapoju = concat(nrNapoju, 5, i);
            i++;
            HAL_Delay(1000);
        }

        if (HAL_GPIO_ReadPin(GPIOF, GPIO_PIN_6) == GPIO_PIN_SET)
        {
            nrNapoju = concat(nrNapoju, 6, i);
            i++;
            HAL_Delay(1000);
        }

        if (HAL_GPIO_ReadPin(GPIOF, GPIO_PIN_7) == GPIO_PIN_SET)
        {
            nrNapoju = concat(nrNapoju, 7, i);
            i++;
            HAL_Delay(1000);
        }

        if (HAL_GPIO_ReadPin(GPIOF, GPIO_PIN_8) == GPIO_PIN_SET)
        {
            nrNapoju = concat(nrNapoju, 8, i);
            i++;
            HAL_Delay(1000);
        }

        if (HAL_GPIO_ReadPin(GPIOF, GPIO_PIN_9) == GPIO_PIN_SET)
        {
            nrNapoju = concat(nrNapoju, 9, i);
            i++;
            HAL_Delay(1000);
        }

        //czy wprowadzono wartosc 2 cyfrowa
        if(i == 2)
        {
            //czy wybrany napoj jest dostepny i nr napoju < rozmiaru tablicy
            if(napoje[nrNapoju-1].ilosc > 0 && (nrNapoju-1) < tabSize)
            {
                printf("id= %u\n", napoje[nrNapoju-1].id);
                printf("kwota= %f\n", napoje[nrNapoju-1].kwota);
                printf("ilosc= %u\n", napoje[nrNapoju-1].ilosc);
                HAL_GPIO_WritePin(GPIOC, GPIO_PIN_1, GPIO_PIN_RESET);
            }
            else
            {
                nrNapoju = 0;
                i = 0;
            }
        }


  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** 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_DIV2;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;
  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_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @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_GPIOF_CLK_ENABLE();
  __HAL_RCC_GPIOC_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOC, GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3, GPIO_PIN_RESET);

  /*Configure GPIO pins : PF0 PF1 PF2 PF3
                           PF4 PF5 PF6 PF7
                           PF8 PF9 PF10 */
  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7
                          |GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);

  /*Configure GPIO pins : PC1 PC2 PC3 */
  GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOC, &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****/