Finished the basic functions for the lcd like print pixel, chat, test, line, rectangle, circle, now need to clean ssd1306_i2c

drivers/lcd_oled/lcd_oled.c

@@ -266,3 +266,82 @@ void lcd_oled_draw_line(uint16_t x, uint16_t y, uint16_t angle, uint16_t lenght,
 			break; 
 	}
 }
+
+void lcd_oled_draw_circle(uint16_t x, uint16_t y, uint16_t radius, uint8_t fill, uint8_t color)
+{
+	uint8_t i = 0; 
+	int16_t x_cicle, y_circle, d = 0;
+	if(fill == 0)
+	{
+		x_cicle = 0;
+		y_circle = radius;
+		d = 3 - 2 * radius;
+		lcd_oled_draw_circle_bresenham(x, y, x_cicle, y_circle, color);
+		while (y_circle >= x_cicle)
+		{
+			x_cicle++;
+			if (d > 0)
+			{
+				y_circle--;
+				d = d + 4 * (x_cicle - y_circle) + 10;
+			}
+			else
+				d = d + 4 * x_cicle + 6;
+			lcd_oled_draw_circle_bresenham(x, y, x_cicle, y_circle, color);
+		}
+	}
+	else // To be optimized
+	{
+		for(i=radius; i > 0; i--)
+		{
+			x_cicle = 0; 
+			y_circle = i;
+			d = 3 - 2 * i;
+			lcd_oled_draw_circle_bresenham(x, y, x_cicle, y_circle, color);
+			while (y_circle >= x_cicle)
+			{
+				x_cicle++;
+				if (d > 0)
+				{
+					y_circle--;
+					d = d + 4 * (x_cicle - y_circle) + 10;
+				}
+				else
+					d = d + 4 * x_cicle + 6;
+				lcd_oled_draw_circle_bresenham(x, y, x_cicle, y_circle, color);
+			}
+		}
+	}
+}
+
+void lcd_oled_draw_circle_bresenham(int16_t xc, int16_t yc, uint8_t x, uint8_t y, uint8_t color)
+{
+    lcd_oled_draw_pixel(xc+x, yc+y, color);
+    lcd_oled_draw_pixel(xc-x, yc+y, color);
+    lcd_oled_draw_pixel(xc+x, yc-y, color);
+    lcd_oled_draw_pixel(xc-x, yc-y, color);
+    lcd_oled_draw_pixel(xc+y, yc+x, color);
+    lcd_oled_draw_pixel(xc-y, yc+x, color);
+    lcd_oled_draw_pixel(xc+y, yc-x, color);
+    lcd_oled_draw_pixel(xc-y, yc-x, color);
+}
+
+
+void lcd_oled_draw_rectangle(uint16_t x, uint16_t y, uint16_t length, uint16_t width, uint8_t fill, uint8_t color)
+{
+	uint16_t i = 0;
+	if(fill == EMPTY)
+	{
+		lcd_oled_draw_line(x, y, 0, length, color);
+		lcd_oled_draw_line(x, y+width-1, 0, length, color);
+		lcd_oled_draw_line(x, y, 270, width, color);
+		lcd_oled_draw_line(x+length-1, y, 270, width, color);
+	}
+	else
+	{
+		for(i=0 ; i < width; i++)
+		{
+			lcd_oled_draw_line(x, y+i, 0, length, color);
+		}
+	}
+}

drivers/lcd_oled/lcd_oled.h

@@ -29,6 +29,8 @@ void lcd_oled_init(spi_t *spi_dev, pinNo_t pinNo, uint8_t address);
 	#error "Please Define The communication Methode in ked/drivers/lcd_oled/lcd_oled.h"
 #endif
 
+
+
 void lcd_oled_enable();
 void lcd_oled_disable();
 
@@ -42,8 +44,9 @@ void lcd_oled_wake();
 
 void lcd_oled_draw_pixel(uint16_t x, uint16_t y, uint8_t color); 
 void lcd_oled_draw_line(uint16_t x, uint16_t y, uint16_t angle, uint16_t lenght, uint8_t color); 
-void lcd_oled_draw_rectangle(uint16_t x, uint16_t y, uint16_t lenght, uint16_t width, uint8_t fill, uint8_t color);
+void lcd_oled_draw_rectangle(uint16_t x, uint16_t y, uint16_t length, uint16_t width, uint8_t fill, uint8_t color);
 void lcd_oled_draw_circle(uint16_t x, uint16_t y, uint16_t radius, uint8_t fill, uint8_t color); 
+void lcd_oled_draw_circle_bresenham(int16_t xc, int16_t yc, uint8_t x, uint8_t y, uint8_t color);
 
 void lcd_oled_scroll_right(uint16_t start, uint16_t stop);
 void lcd_oled_scroll_left(uint16_t start, uint16_t stop);

examples/i2c_oled_display/main.c

@@ -52,6 +52,7 @@ int main(int argc, char *argv[])
 	registerToRead = 0x02; 
 	registerToRead = 0x06; 
 	i2cData = 0xAA;
+	uint8_t text[30]="KED Wellcomes You";
 	
 	i2c_check_device(&i2c_1, &slaveAddress);
 
@@ -71,12 +72,11 @@ int main(int argc, char *argv[])
 
 	lcd_oled_init(&i2c_1 , SSD1306_I2C_ADDRESS);
 	lcd_oled_display(); //Adafruit logo is visible
-	delayMs(1000);
+	delayMs(500);
+
 	lcd_oled_clear();	
-	uint8_t text[30]="KED Wellcomes You";
 
 	lcd_oled_print_text(0,5,text,18,WHITE);
-
 	lcd_oled_draw_line(64, 32, 0, 10, WHITE);
 	lcd_oled_draw_line(64, 32, 45, 10, WHITE);
 	lcd_oled_draw_line(64, 32, 90, 10, WHITE);
@@ -86,8 +86,17 @@ int main(int argc, char *argv[])
 	lcd_oled_draw_line(64, 32, 270, 10, WHITE);
 	lcd_oled_draw_line(64, 32, 315, 10, WHITE);	
 	
+	lcd_oled_draw_circle(64, 32, 15, EMPTY, WHITE);
+	lcd_oled_draw_circle(10, 30, 10, FILLED, WHITE);
+
+	lcd_oled_draw_rectangle(10, 50, 10, 10, EMPTY, WHITE); 
+	lcd_oled_draw_rectangle(30, 50, 10, 10, FILLED, WHITE); 
+	
+
 	lcd_oled_display(&i2c_1);
 
+
+
 	print_Usart(usart2, "\n\r"); 
 	print_Usart(usart2, "All Is Working fine "); 
 	print_Usart(usart2, "\n\r");