void i2c_OLED_send_char(unsigned char ascii)
{
unsigned char i;
uint8_t buffer;
for (i = 0; i < 5; i++) {
buffer = multiWiiFont[ascii - 32][i];
buffer ^= CHAR_FORMAT; // apply
i2c_OLED_send_byte(buffer);
}
i2c_OLED_send_byte(CHAR_FORMAT); // the gap
}
void i2c_OLED_send_char(unsigned char ascii)
{
uint8_t i;
memcpy(bufferOLED,myFont[ascii - 32],5);
for( i = 0; i < 5; i++)
{
bufferOLED[i] ^= CHAR_FORMAT;
i2c_OLED_send_byte(bufferOLED[i]);
}
i2c_OLED_send_byte(CHAR_FORMAT);
}
// RLE compressed bitmaps must be 128 width with vertical data orientation, and size included in file.
static void bitmapDecompressAndShow(uint8_t *bitmap)
{
uint8_t data = 0, count = 0;
uint16_t i;
uint8_t width = *bitmap;
bitmap++;
uint8_t height = *bitmap;
bitmap++;
uint16_t bitmapSize = (width * height) / 8;
for (i = 0; i < bitmapSize; i++) {
if(count == 0) {
data = *bitmap;
bitmap++;
if(data == *bitmap) {
bitmap++;
count = *bitmap;
bitmap++;
}
else {
count = 1;
}
}
count--;
i2c_OLED_send_byte(data);
}
}
void i2c_OLED_clear_display_quick(void)
{
i2c_OLED_send_cmd(0xb0); // set page address to 0
i2c_OLED_send_cmd(0x40); // Display start line register to 0
i2c_OLED_send_cmd(0); // Set low col address to 0
i2c_OLED_send_cmd(0x10); // Set high col address to 0
for(uint16_t i = 0; i < 1024; i++) { // fill the display's RAM with graphic... 128*64 pixel picture
i2c_OLED_send_byte(0x00); // clear
}
}
void i2c_OLED_clear_display(void)
{
i2c_OLED_send_cmd(0xa6); // Set Normal Display
i2c_OLED_send_cmd(0xae); // Display OFF
i2c_OLED_send_cmd(0x20); // Set Memory Addressing Mode
i2c_OLED_send_cmd(0x00); // Set Memory Addressing Mode to Horizontal addressing mode
i2c_OLED_send_cmd(0xb0); // set page address to 0
i2c_OLED_send_cmd(0x40); // Display start line register to 0
i2c_OLED_send_cmd(0); // Set low col address to 0
i2c_OLED_send_cmd(0x10); // Set high col address to 0
for(uint16_t i = 0; i < 1024; i++) { // fill the display's RAM with graphic... 128*64 pixel picture
i2c_OLED_send_byte(0x00); // clear
}
i2c_OLED_send_cmd(0x81); // Setup CONTRAST CONTROL, following byte is the contrast Value... always a 2 byte instruction
i2c_OLED_send_cmd(200); // Here you can set the brightness 1 = dull, 255 is very bright
i2c_OLED_send_cmd(0xaf); // display on
}