#include <stm32c0xx_hal.h>

#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

#define LED_PORT                GPIOA
#define LED_PIN                 GPIO_PIN_5
#define LED_PORT_CLK_ENABLE     __HAL_RCC_GPIOA_CLK_ENABLE

#define TFT_DC 2
#define TFT_CS 3
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

void SystemClock_Config(void);

void initGPIO()
{
  GPIO_InitTypeDef GPIO_Config;

  GPIO_Config.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_Config.Pull = GPIO_NOPULL;
  GPIO_Config.Speed = GPIO_SPEED_FREQ_HIGH;

  GPIO_Config.Pin = LED_PIN;

  LED_PORT_CLK_ENABLE();
  HAL_GPIO_Init(LED_PORT, &GPIO_Config);

  __HAL_RCC_GPIOA_CLK_ENABLE();
}

int main(void)
{

  HAL_Init();
  SystemClock_Config();

  initGPIO();

  int blinkingCount = 0;

  while (1)
  {
    HAL_GPIO_TogglePin(LED_PORT, LED_PIN);
    blinkingCount++;

    if(blinkingCount <= 2)
      delay(500);
    else
      delay((1000));
    
  Serial.begin(115200);
  Serial.println("Hello, WOKWI");
  tft.begin();

  tft.setCursor(20, 10);
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(3);
  tft.println("Hello STM2");

  tft.setCursor(24, 10);
  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(2);
  tft.println("I can do SPI :-)");
  };
  return 0;
}

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;
  
  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;

}

void loop() { delay(10); }