main.c

/* 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.
  *
  ******************************************************************************
  */
/* Includes */
#include "main.h"
#include "ST7528i.h"
#include "fonts.h"
#include "bit_maps.h"

/* Private variables */
I2C_HandleTypeDef hi2c1;

/* Private function prototypes */
static void MX_GPIO_Init(void);
static void MX_I2C1_Init(void);
static void Write_Text();
static void Move_BikeMan(void);
static void Move_BikeMan_FullScreen(void);

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void) {
  HAL_Init();

  SystemClock_Config();
  MX_GPIO_Init();
  MX_I2C1_Init();

  ST7528i_InitGPIO(&hi2c1);
  ST7528i_Init();
  HAL_Delay(2);

  Move_BikeMan_FullScreen();
  //Move_BikeMan();
  //Write_Text();
  while (1) {
	  // main loop is handled in Move_BikeMan()
  }
}


/**
  * @brief  Draw some text on the LCD.
  * @retval None
  */
static void Write_Text() {
	LCD_PutStr(10, 10, "Hello World!", fnt5x7);
	ST7528i_Flush();
}

/**
  * @brief  Draw the bikeman bitmap and 'move' it across the screen.
  * @retval None
  */
static void Move_BikeMan(void) {
  while (1) {
	  int start_x = 1, start_y = 1;
	  LCD_DrawBitmap(start_x, start_y, 30, 25, bike_man);
	  ST7528i_Flush();
	  HAL_Delay(50);
	  for (uint8_t i = 0; i < 11; ++i) {
		  ST7528i_Clear();
		  start_x += 5;
		  start_y += 7;
		  LCD_DrawBitmap(start_x, start_y, 30, 25, bike_man);
		  ST7528i_Flush();
		  HAL_Delay(150);
	  }
	  ST7528i_Clear();
  }
}

/**
  * @brief  Draw the bikeman bitmap and 'move' it across the screen.
  * 		The bikeman will move across the whole screen and go through all the rows
  * @retval None
  */
static void Move_BikeMan_FullScreen(void) {
	while (1) {
		// go through all the rows(y)
		for (int i = 0, start_y = 1; i < 7; i++, start_y+=25) {
			// move the bikeman across the columns(x)
			for (int j = 0, start_x = 1; j < 12; ++j, start_x+=5) {
				LCD_DrawBitmap(start_x, start_y, 30, 25, bike_man);
				ST7528i_Flush();
				HAL_Delay(5);
				ST7528i_Clear();
				HAL_Delay(5);
			}
		}
		ST7528i_Clear();
	}
}

/**
  * @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_NONE;
  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_HSI;
  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();
  }
}

/**
  * @brief I2C1 Initialization Function
  * @param None
  * @retval None
  */
static void MX_I2C1_Init(void) {
  hi2c1.Instance = I2C1;
  hi2c1.Init.ClockSpeed = 400000;
  hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
  hi2c1.Init.OwnAddress1 = 0;
  hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
  hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
  hi2c1.Init.OwnAddress2 = 0;
  hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
  hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
  if (HAL_I2C_Init(&hi2c1) != 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_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOD_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOC, LED_Pin, GPIO_PIN_RESET);

  /*Configure GPIO pin : LED_Pin and RST_Pin */
  GPIO_InitStruct.Pin = LED_Pin | RST_Pin;
  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);

}

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void) {
  __disable_irq();
  while (1);
}