/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2023 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"
#include "adc.h"
#include "dma.h"
#include "spi.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"
#include "OLED_Fonts.h"
#include "string.h"
#include <math.h>
#include <stdbool.h>
#include <stdlib.h>
#include "my.h"

#include "ssd1306.h"


__IO uint16_t repeat = 0;
volatile int needRefresh; ///

typedef enum
{
	CURSOR = Black,
	TEXT = White
}typeTEXT;

void SystemClock_Config(void);
/* 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
  */



//0,2; 1; 2; 10  фвч
//0,1; 0,3; 1; 3; 10; 30; 100 фнч


typedef struct  {
	int kPr;
	int kExit;
	int FVCH;
	int FNCH;
} set_type;


char pString[16] = {0};

char* FloatToASCII(float Val, int32_t RoundTo)
{
uint8_t idx = 0;
int32_t i;
float value, F, I;
uint32_t rnd = 0;

uint32_t Tmp32 = 0;
uint32_t Int32 = 0;
uint32_t Frac32 = 0;
uint32_t _I32 = 0;
uint32_t _F32 = 0;
uint32_t d = 0, dd = 0;
char tmparray[32];
volatile bool minus = false;



	memset(tmparray, 0, 32);
	memset(pString, 0, 16);

	value = Val;
	if(value < 0)
	minus = true;

	if((Val >= 10000.00000f)/* || (Val <= 0)*/)
	{
		if(Val <= 0)
		{
			pString[0] = '0';
			pString[1] = '~';
			pString[2] = '0';
			pString[3] = '\0';
		}
		else
		{
			pString[0] = '1';
			pString[1] = '0';
			pString[2] = '0';
			pString[3] = '0';
			pString[4] = '0';
			pString[5] = '\0';
		}

		return pString;
	}

	value = ABS(Val);
	rnd = ABS(RoundTo);
	if(RoundTo < 0)
	{
		F = modff(value, &I);
		while(rnd)
		{
			F *= 10.0f;
			rnd--;
			d++;
		}
		F = roundf(F);

		dd = 1;
		for(i = 0; i < d; i++)
			dd *= 10;

		if((uint32_t) F == dd)
		{
			F = 0;
			I += 1;
		}

	}
	else
	{
		I = roundf(value);
		F = 0.0f;
	}

	Int32 = (uint32_t) I;
	Frac32 = (uint32_t) F;
	_I32 = Int32;
	_F32 = Frac32;


	idx = 0;
	tmparray[idx++] = '\0';
	if((Int32 == 0) && (Frac32 == 0))
	{
		if(RoundTo < 0)
		{
			for(i = 0; i < abs(RoundTo); i++)
			  tmparray[idx++] = '0';
			tmparray[idx++] = '~';
		}
		tmparray[idx++] = '0';
	}
	else
	{
		if(RoundTo < 0)
		{
			for(i = 0; i < abs(RoundTo); i++)
			{
				Tmp32 = Frac32;
				Frac32 /= 10;
				Tmp32 = Tmp32 - Frac32 * 10;
				tmparray[idx++] = '0' + Tmp32;
			}
			tmparray[idx++] = '~';
		}

		if(Int32 != 0)
		{
			while(Int32)
			{
				Tmp32 = Int32;
				Int32 /= 10;
				Tmp32 = Tmp32 - Int32 * 10;
				tmparray[idx++] = '0' + Tmp32;
			}
		}
		else
		tmparray[idx++] = '0';

		if(minus)
		{
			if((_I32 != 0) || (_F32 != 0))
			tmparray[idx++] = '-';
		}
	}

	for(i = 0; i < idx; i++)
	pString[i] = tmparray[idx - i - 1];

	return pString;
}


uint16_t readkey(void)
{
uint16_t key = 0;

	if(HAL_GPIO_ReadPin(OK_BTN_GPIO_Port, OK_BTN_Pin) == GPIO_PIN_RESET)
		key |= OK_BTN_Pin;
	if(HAL_GPIO_ReadPin(UP_BTN_GPIO_Port, UP_BTN_Pin) == GPIO_PIN_RESET)
		key |= UP_BTN_Pin;
	if(HAL_GPIO_ReadPin(DN_BTN_GPIO_Port, DN_BTN_Pin) == GPIO_PIN_RESET)
		key |= DN_BTN_Pin;
	if(HAL_GPIO_ReadPin(ON_GPIO_Port, ON_Pin) == GPIO_PIN_RESET)
		key |= ON_Pin;

	return key;
}


uint16_t kbhit(void)
{
volatile uint16_t key;
static uint32_t dreb = 0;   //дребезг
static uint8_t first = 1;  	//признак первого момента нажатия кнопки
static uint16_t rep = 50;

	do
	{
		key = readkey();

		if(!key)
		{
			if(dreb)
			  dreb--;
				else first = 1;
		}
		else
		{
			if(dreb < 3)
				dreb++;
		}
	}
	while((dreb > 0) && (dreb < 3));



	if(!key)									//если кнопки отпущены
	{
		first = 1;								//достоверно кнопки отпущены
		return 0;								//вернуть 0
	}
	else										//иначе
	{
		if(first)								//определить кнопку
		{										//только один раз
			first = 0;							//за нажатие
			repeat = rep = 32;
			return key;							//вернуть в главную функцию состояние клавиатуры
		}
		else
		{
			if(repeat)
				return 0;						//имитация свободной клавиатуры
			else
			{
				if(rep > 0)
				  rep >>= 1;
					else rep = 32;

				repeat = rep;
		//		if(key == KEY_RESET_Pin)
		//			return 0;


				return key;
			}
		}
	}
}

const float exitVar[] = {0.1, 0,2, 0,5, 1, 2, 5, 10, 20, 50, 100, 200, 500};
const float fvchVar[] = {0.2, 1, 2, 10};
const float fnchVar[] = {0.1, 0.3, 1, 3, 10, 30, 100};

const char string11[] = "Rgh";
const char string12[] = "gRk/vc2";

const char string21[] = "Ds[jl";
const char string22[] = "vD/vc2";

const char string31[] = "ADX";
const char string32[] = "Uw";

const char string41[] = "AYX";
const char string42[] = "rUw";

const char string51[] = "Gthtuheprf!!!";

int main(void)
{
	set_type set;
	set.kPr = 22222;
	set.kExit =22222;
	set.FVCH=22222;
	set.FNCH=22222;


  HAL_Init();
  SystemClock_Config();
  MX_FLASH_Init();
  MX_GPIO_Init();
  MX_DMA_Init();
  MX_ADC1_Init();
  MX_TIM3_Init();
  MX_SPI1_Init();
  MX_TIM7_Init();
  MX_USART1_UART_Init();


  /////Мой код здесь


  ssd1306_Init();
  DrawLogo();
  HAL_Delay(100);
  ssd1306_Fill(Black);
  ssd1306_UpdateScreen();
  ssd1306_SetCursor(0, 7);

  while (1)
  {
	  FontSet(Segoe_UI_Rus_8);
	  OLED_DrawStr(string11, 1, 10, TEXT);
	  OLED_DrawStr(FloatToASCII(2.45f, -3), 40, 10, TEXT);
	 // OLED_DrawStr(FloatToASCII(2.45f, 0), 40, 10, TEXT);
//	  OLED_DrawNum(set.kPr, 40, 10, TEXT);
	  OLED_DrawStr(string12, 80, 10, TEXT);
////////////////////////////
	  OLED_DrawStr(string21, 1, 20, TEXT);
	  OLED_DrawNum(set.kExit, 40, 20, CURSOR);
	  OLED_DrawStr(string22, 80, 20, TEXT);
////////////////////////////
	  OLED_DrawStr(string31, 2, 30, TEXT);
	  OLED_DrawNum(set.FVCH, 40, 30, TEXT);
	  OLED_DrawStr(string32, 80, 30, TEXT);
//////////////
	  OLED_DrawStr(string41, 2, 40, TEXT);
	  OLED_DrawNum(set.FNCH, 40, 40, TEXT);
	  OLED_DrawStr(string42, 80, 40, TEXT);
//////////////
	  OLED_DrawStr(string51, 30, 50, TEXT);


	  //OLED_DrawChar("n", 4, 4, TEXT);



	  //if(readkey()==OK_BTN_Pin) OLED_DrawStr("jr", 255, 8, White);
	  //if(readkey()==DN_BTN_Pin) OLED_DrawStr("dybp", 255, 20, White);
	  //if(readkey()==UP_BTN_Pin) OLED_DrawStr("ddth[", 255, 32, White);
	  //if(readkey()==ON_Pin) OLED_DrawStr("drk", 255, 44, White);
	  //HAL_Delay(300);
	 // ssd1306_Fill(Black);
		//;		//
		//OLED_DrawStr("Ds[jl", 255, 20, White);			//
		//OLED_DrawStr("adx", 255, 32, White);				// Modbus
		//OLED_DrawStr("ayx", 255, 44, White);
	  needRefresh=1;
  }
}

/**
  * @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
  */
  __HAL_RCC_PWR_CLK_ENABLE();
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE3);
  /** 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 = 8;
  RCC_OscInitStruct.PLL.PLLN = 60;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 2;
  RCC_OscInitStruct.PLL.PLLR = 5;
  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_PLLRCLK;
  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_0) != HAL_OK)
  {
    Error_Handler();
  }
}

/* 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****/