/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2023 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stdlib.h"
#include "time.h"

#define led1 GPIO_PIN_0
#define led2 GPIO_PIN_1
#define led3 GPIO_PIN_2
#define led4 GPIO_PIN_3
#define led5 GPIO_PIN_4
#define led6 GPIO_PIN_5
#define led7 GPIO_PIN_6

int LEDS[] = {led1,led2,led3,led4,led5,led6,led7};
#define button GPIO_PIN_13


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);


//
// This function turns OFF all LEDS
//

void ALL_OFF()
{
	int i;
	for (i = 0; i <7; i++)
	{
		HAL_GPIO_WritePin(GPIOC, LEDS[i], GPIO_PIN_RESET);
	}
}
int main(void)
{
  int dice;
  HAL_Init();


  SystemClock_Config();


  MX_GPIO_Init();
  MX_USART2_UART_Init();

  srand(time(NULL)); 													// Random number seed
  while (1)																// DO FOREVER
  {
    ALL_OFF(); 															// All LEDS OFF initially
    while(HAL_GPIO_ReadPin(GPIOC, button) == 1); 						// Wait for button
    dice = rand()%6 +1;													// Get a dice number

    switch(dice){
    	case 1:															// Is it 1?
    		HAL_GPIO__WritePin(GPIOC,LEDS[3], GPIO_PIN_SET);
    		break;
    	case 2:															// Is it 2?
    		HAL_GPIO__WritePin(GPIOC,LEDS[1], GPIO_PIN_SET);
    		HAL_GPIO__WritePin(GPIOC,LEDS[5], GPIO_PIN_SET);
    		break;
    	case 3:															// Is it 3?
    		HAL_GPIO__WritePin(GPIOC,LEDS[1], GPIO_PIN_SET);
    		HAL_GPIO__WritePin(GPIOC,LEDS[3], GPIO_PIN_SET);
    		HAL_GPIO__WritePin(GPIOC,LEDS[5], GPIO_PIN_SET);
    		break;
    	case 4:															// Is it 4?
    		HAL_GPIO__WritePin(GPIOC,LEDS[0], GPIO_PIN_SET);
    		HAL_GPIO__WritePin(GPIOC,LEDS[2], GPIO_PIN_SET);
    		HAL_GPIO__WritePin(GPIOC,LEDS[4], GPIO_PIN_SET);
    		HAL_GPIO__WritePin(GPIOC,LEDS[6], GPIO_PIN_SET);
    		break;
    	case 5:															// Is it 5?
    		HAL_GPIO__WritePin(GPIOC,LEDS[0], GPIO_PIN_SET);
    	    HAL_GPIO__WritePin(GPIOC,LEDS[2], GPIO_PIN_SET);
    	    HAL_GPIO__WritePin(GPIOC,LEDS[3], GPIO_PIN_SET);
    	    HAL_GPIO__WritePin(GPIOC,LEDS[4], GPIO_PIN_SET);
    	    HAL_GPIO__WritePin(GPIOC,LEDS[6], GPIO_PIN_SET);
    	    break;
    	case 6:															// Is it 6?
    	    HAL_GPIO__WritePin(GPIOC,LEDS[0], GPIO_PIN_SET);
    	    HAL_GPIO__WritePin(GPIOC,LEDS[1], GPIO_PIN_SET);
    	    HAL_GPIO__WritePin(GPIOC,LEDS[2], GPIO_PIN_SET);
    	    HAL_GPIO__WritePin(GPIOC,LEDS[4], GPIO_PIN_SET);
    	    HAL_GPIO__WritePin(GPIOC,LEDS[5], GPIO_PIN_SET);
    	    HAL_GPIO__WritePin(GPIOC,LEDS[6], GPIO_PIN_SET);
    	    break;
    }
    HAL_Delay(3000);													// Wait 3 seconds
  }
}

/**
  * @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 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.PLLM = 1;
  RCC_OscInitStruct.PLL.PLLN = 10;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
  RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
  RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
  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_4) != 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_GPIOH_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOC, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6, GPIO_PIN_RESET);

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(LD2_GPIO_Port, LD2_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin : PC13 */
  GPIO_InitStruct.Pin = GPIO_PIN_13;
  GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  /*Configure GPIO pins : PC0 PC1 PC2 PC3
                           PC4 PC5 PC6 */
  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_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  /*Configure GPIO pin : LD2_Pin */
  GPIO_InitStruct.Pin = LD2_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(LD2_GPIO_Port, &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 */