#include "stm32c0xx_hal.h"
#include "spi_ili9341.h"
#include <stdlib.h>

#define User_Button_Pin GPIO_PIN_13
#define User_Button_GPIO_Port GPIOC
#define User_Button_EXTI_IRQn EXTI4_15_IRQn
#define Led_Pin GPIO_PIN_5
#define Led_GPIO_Port GPIOA

I2C_HandleTypeDef hi2c1;
SPI_HandleTypeDef hspi1;
UART_HandleTypeDef huart2;

void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_I2C1_Init(void);
static void MX_USART2_UART_Init(void);
static void MX_SPI1_Init(void);

// display size
#define LCD_WIDTH 239
#define LCD_HEIGHT 319

void ControlPin_Init()
{
	GPIO_InitTypeDef GPIO_InitStruct = {0};

	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_9 | GPIO_PIN_6 | GPIO_PIN_15, GPIO_PIN_RESET);
	GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_6 | GPIO_PIN_15;
	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
	HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
}


int main(void)
{
  HAL_Init();

  SystemClock_Config();
  MX_GPIO_Init();
  MX_USART2_UART_Init();
  MX_SPI1_Init();
  ControlPin_Init();
  

  TFT9341_ini(240, 320);
  HAL_Delay(500);

  // DRAW HOUSE
  /* x1, y1 - left top point
   * x2, y2 - right bottom point
  */ 
  TFT9341_DrawRect(TFT9341_YELLOW, 10, LCD_HEIGHT / 2, 
    LCD_WIDTH / 2, LCD_HEIGHT - 10);
  
  TFT9341_DrawLine(TFT9341_YELLOW, LCD_WIDTH / 4, 
    50, 10, LCD_HEIGHT / 2);

  TFT9341_DrawLine(TFT9341_YELLOW, LCD_WIDTH / 4, 
    50, LCD_WIDTH / 2, LCD_HEIGHT / 2);
  // END DRAW HOUSE

  // DRAW DOOR
  TFT9341_DrawRect(TFT9341_CYAN, 15, 
    LCD_HEIGHT / 2 + LCD_HEIGHT / 5, 50, LCD_HEIGHT - 15);
  // END DRAW DOOR

  // DRAW WINDOW
  TFT9341_DrawRect(TFT9341_CYAN, LCD_WIDTH / 4 - 20, 
    LCD_HEIGHT / 2 + 10, LCD_WIDTH / 4 + 20,
    LCD_HEIGHT / 2 + 50);

  TFT9341_DrawLine(TFT9341_CYAN, LCD_WIDTH / 4, 
    LCD_HEIGHT / 2 + 10, LCD_WIDTH / 4,
    LCD_HEIGHT / 2 + 50);

  TFT9341_DrawLine(TFT9341_CYAN, LCD_WIDTH / 4 - 20, 
    LCD_HEIGHT / 2 + 30, LCD_WIDTH / 4 + 20,
    LCD_HEIGHT / 2 + 30);
  // END DRAW WINDOW

  // DRAW SNOWMAN
  TFT9341_DrawCircle(LCD_WIDTH / 2 + LCD_WIDTH / 4,
   LCD_HEIGHT - 40, 30, TFT9341_WHITE);

  TFT9341_DrawCircle(LCD_WIDTH / 2 + LCD_WIDTH / 4,
   LCD_HEIGHT - 90, 20, TFT9341_WHITE);

  TFT9341_DrawCircle(LCD_WIDTH / 2 + LCD_WIDTH / 4,
   LCD_HEIGHT - 120, 10, TFT9341_WHITE);

  // left hand
  TFT9341_DrawLine(TFT9341_BLUE, LCD_WIDTH / 2 +
    LCD_WIDTH / 4 - 20, LCD_HEIGHT - 90, 
    LCD_WIDTH / 2 + LCD_WIDTH / 4 - 30, 
    LCD_HEIGHT - 120);

  // right hand
  TFT9341_DrawLine(TFT9341_BLUE, LCD_WIDTH / 2 +
    LCD_WIDTH / 4 + 20, LCD_HEIGHT - 90, 
    LCD_WIDTH / 2 + LCD_WIDTH / 4 + 30, 
    LCD_HEIGHT - 120);
  // END DRAW SNOWMAN

  while (1)
  {
    
  }
}

void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
  RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  {
    Error_Handler();
  }
}

static void MX_I2C1_Init(void)
{
  hi2c1.Instance = I2C1;
  hi2c1.Init.Timing = 0x20303E5D;
  hi2c1.Init.OwnAddress1 = 0;
  hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  hi2c1.Init.OwnAddress2 = 0;
  hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
  hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  if (HAL_I2C_Init(&hi2c1) != HAL_OK)
  {
    Error_Handler();
  }

  if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
  {
    Error_Handler();
  }

  if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
  {
    Error_Handler();
  }
}

static void MX_SPI1_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_I2S1;
  PeriphClkInit.I2s1ClockSelection = RCC_I2S1CLKSOURCE_SYSCLK;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }

  __HAL_RCC_SPI1_CLK_ENABLE();

  __HAL_RCC_GPIOA_CLK_ENABLE();
  GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_7;
  GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  GPIO_InitStruct.Alternate = GPIO_AF0_SPI1;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  hspi1.Instance = SPI1;
  hspi1.Init.Mode = SPI_MODE_MASTER;
  hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  hspi1.Init.NSS = SPI_NSS_SOFT;
  hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
  hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  hspi1.Init.CRCPolynomial = 10;
  hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
  hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
  if (HAL_SPI_Init(&hspi1) != HAL_OK)
  {
    Error_Handler();
  }
}

static void MX_USART2_UART_Init(void)
{
  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.Init.ClockPrescaler = UART_PRESCALER_DIV1;
  huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
  if (HAL_UART_Init(&huart2) != HAL_OK)
  {
    Error_Handler();
  }
}

static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};

  __HAL_RCC_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOF_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(Led_GPIO_Port, Led_Pin, GPIO_PIN_SET);

  /*Configure GPIO pin : User_Button_Pin */
  GPIO_InitStruct.Pin = User_Button_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  HAL_GPIO_Init(User_Button_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pin : Led_Pin */
  GPIO_InitStruct.Pin = Led_Pin;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  HAL_GPIO_Init(Led_GPIO_Port, &GPIO_InitStruct);

  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_8|GPIO_PIN_9, GPIO_PIN_SET);
  GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Pull = GPIO_NOPULL;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  /* EXTI interrupt init*/
  HAL_NVIC_SetPriority(EXTI4_15_IRQn, 0, 0);
  HAL_NVIC_EnableIRQ(EXTI4_15_IRQn);

}

void Error_Handler(void)
{
  __disable_irq();
  while (1)
  {
  }
}

#ifdef  USE_FULL_ASSERT

void assert_failed(uint8_t *file, uint32_t line)
{
}
#endif