#include "stm32g4xx_hal.h"
#include "oled_common.h"
#include "i2c_bridge.h"
#include "logo_grayscale.h"
#include "fonts.h"
#include "SSD1327.h"

extern "C" {
#include "OLED_SSD1327.h"
#include "GFX_SSD1327.h"
}
  

I2C_HandleTypeDef *i2c_bridge;


//
void init_oled(void)
{
    init_gpio_oled();
    
    i2c_bridge_init();
      
    i2c_bridge = i2c_get_bridge();
      
    SSD1327_I2cInit(i2c_bridge);
    
    SSD1327_Clear(BLACK);
    
#if 0    
    ssd1327.clearBuffer();
    ssd1327.drawString(16, 16, (char*)"Hello", 0xF, 32);
	ssd1327.drawString(16, 48, (char*)"World!", 0xF, 32);
    ssd1327.writeFullBuffer();
#endif
    
#if 0    
    SSD1327_DrawPixel(20, 20, 15);
    SSD1327_DrawPixel(21, 20, 15);
    SSD1327_DrawPixel(22, 20, 15);
    
    SSD1327_DrawPixel(20, 21, 15);
    SSD1327_DrawPixel(21, 21, 15);
    SSD1327_DrawPixel(22, 21, 15);
    
    SSD1327_DrawPixel(20, 22, 15);
    SSD1327_DrawPixel(21, 22, 15);
    SSD1327_DrawPixel(22, 22, 15);
    
    SSD1327_DrawPixel(20, 23, 15);
    SSD1327_DrawPixel(21, 23, 15);
    SSD1327_DrawPixel(22, 23, 15);
#endif    
    
    //GFX_Image(15, 0, (uint8_t*)logo_grayscale, 96, 96);
            
    SSD1327_Display();
    
    
    
    //while (1) {} 
}

//
void test_oled(void)
{
#if 0  
    for (int i = 0; i < 16; i++) {
        SSD1327_DrawPixel(10, 20 + i, i);
    }
  
    SSD1327_DrawPixel(20, 20, 15);
    SSD1327_DrawPixel(30, 20, 15);
    SSD1327_DrawPixel(40, 20, 5);
#endif    
    //void GFX_DrawLine(int x_start, int y_start, int x_end, int y_end, uint8_t color);
    // Верхняя 
    GFX_DrawLine(0, 0, 127, 0, 15);
    
    // Левая
    GFX_DrawLine(0, 0, 0, 127, 15);
    
    // Правая
    GFX_DrawLine(127, 0, 127, 127, 15);
    
    // Нижняя 
    GFX_DrawLine(0, 127, 127, 127, 15);
    
    GFX_SetFont(font_8x5);
    
    GFX_SetFontSize(1);
    GFX_DrawString(4, 10, (char*)"BbAa12345", 15, 0);
    
    GFX_SetFontSize(2);
    GFX_DrawString(4, 30, (char*)"BbAa12345", 15, 0);
    
    GFX_SetFontSize(3);
    GFX_DrawString(4, 60, (char*)"BbAa12345", 15, 0);
    
    //GFX_DrawChar(50, 50, 'F', 15, 0);
    //GFX_DrawString(10, 100, "Hello!!!", 15, 0);
    
    
#if 0    
    uint8_t GFX_GetFontHeight(void);
    uint8_t GFX_GetFontWidth(void);
    uint8_t  GFX_GetFontSize(void);
    void GFX_DrawChar(int x, int y, char chr, uint8_t color, uint8_t background);
    void GFX_DrawString(int x, int y, char* str, uint8_t color, uint8_t background);
#endif    

    SSD1327_Display();
    
}

// oled_draw_rec(3, 5, 123, 22, 15);
void oled_draw_rec(int x_start, int y_start, int x_end, int y_end, uint8_t color)
{
    for (int i = 0; i < y_end; i++) {
        GFX_DrawLine(x_start, y_start + i, x_end, y_start + i, color);
    }
    GFX_DrawLine(x_start, y_end, x_end, y_end, color);
}


#define STR_H               20
#define STR_Y_S             36           
#define STR_FRAME_START_Y   8

#define STR_X_S             4
#define STR_X_E             123

//
void oled_draw_string_frame(uint8_t str_num)
{
    for (int i = 0; i < 2; i++) {
        // нижняя
        GFX_DrawLine(STR_X_S, str_num*STR_H + STR_Y_S + i, STR_X_E, str_num*STR_H + STR_Y_S + i, 15);
        
        // верхняя
        GFX_DrawLine(STR_X_S, str_num*STR_H + STR_Y_S - STR_H + i, STR_X_E, str_num*STR_H + STR_Y_S - STR_H + i, 15);
    }
    
    // Правая
    GFX_DrawLine(STR_X_E, str_num*STR_H + STR_Y_S, STR_X_E, str_num*STR_H + STR_Y_S - STR_H, 15);
    
    // Левая
    GFX_DrawLine(STR_X_S, str_num*STR_H + STR_Y_S, STR_X_S, str_num*STR_H + STR_Y_S - STR_H, 15);
}


//
void init_gpio_oled(void)
{
    GPIO_InitTypeDef GPIO_InitStruct = {0};
        
    __HAL_RCC_GPIOA_CLK_ENABLE();
    
    GPIO_InitStruct.Pin = GPIO_PIN_5;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
    
    HAL_GPIO_WritePin(GPIOA, GPIO_PIN_5, GPIO_PIN_SET);
}