// Description:
// Send initialization/configuration bytes to the OLED controller.
//
static void __oledWriteInit(void){
// Initialize the OLED display.
OLED_RESET_HIGH(); // tie reset pin high
delay1ms(); // wait for Vdd to become stable
OLED_RESET_LOW(); // tie reset pin low
delayxms(10); // wait for reset
OLED_RESET_HIGH(); // tie reset pin high
// Send initialization commands (most of these are taken from the
// Adafruit SSD1306 library).
OLED_DISPLAY_OFF(); // turn off display
OLED_CLOCK(8, 1); // Fosc = speed 8, display clock = Fosc
OLED_MULTIPLEX(64); // MUX = 32
OLED_VERTICAL_OFFSET(0); // no vertical offset
OLED_START_LINE(0); // start at line 0 of RAM
OLED_CHARGE_PUMP_ENABLE(); // enable 7.5V charge pump
OLED_VERTICAL_MODE(); // use vertical addressing mode
OLED_REVERSE_COLUMN(); // don't reverse column addressing
OLED_REVERSE_ROW(); // reverse row addressing
// Configure COM pins.
OLED_PIN_CONFIG(OLED_DISABLE_ROW_REMAP | OLED_ALT_COM);
OLED_CONTRAST(127); // set contrast to 0.5
// Period 1 = 15 DCLK, period 2 = 1 DCLK.
OLED_PRECHARGE_PERIOD(1, 15);
OLED_VCOMH_077VCC(); // Vcomh deselect = 0.77 * Vcc
OLED_DISPLAY_RESUME(); // resume display
OLED_DISPLAY_NORMAL(); // normal display mode
OLED_DISPLAY_ON(); // turn on OLED panel
}
/*******************************************************************************
* @brief : Configure the OLED.
* @param : Aucun.
* @return : Rien.
******************************************************************************/
void LBF_OLED_Init(uint16_t *fconf)
{
/*
* note : Procedure de configuration selon
* la datasheet du densitron DD-160128FC-1A
*/
OLED_RESET_LOW();
Delay_ms(10);
OLED_RESET_HIGH();
Delay_ms(10);
// display off, analog reset
OLED_WriteReg(0x04, 0x01);
Delay_ms(10);
// Power save mode : normal
OLED_WriteReg(0x04, 0x00);
Delay_ms(10);
// Display off
OLED_WriteReg(0x06, 0x00);
// Export1 internal clock and OSC operates with external resistor
OLED_WriteReg(0x02, 0x01);
// Iref controlled by external resistor
OLED_WriteReg(0x80, 0x00);
if(fconf[0] == 0xFFFF)
{
// VALEURS PAR DEFAUTS ************************************************
// Clock div ratio 1: freq setting 90Hz
OLED_WriteReg(0x03, 0x30);
// Driving current R G B - default R = 82uA / G = 56uA / B = 58uA
OLED_WriteReg(0x10, 0x52); // 0x52
OLED_WriteReg(0x11, 0x38); // 0x38
OLED_WriteReg(0x12, 0x3A); // 0x3A
// Precharge time R G B
OLED_WriteReg(0x08, 0x01); // 0x04 / 0x01
OLED_WriteReg(0x09, 0x01); // 0x05 / 0x01
OLED_WriteReg(0x0A, 0x01); // 0x05 / 0x01
// Precharge current R G B
OLED_WriteReg(0x0B, 0x0A); // 0x9D / 0x0A
OLED_WriteReg(0x0C, 0x0A); // 0x8C / 0x0A
OLED_WriteReg(0x0D, 0x0A); // 0x57 / 0x0A
}
else
{
uint8_t freq;
freq = (uint8_t)(fconf[1]/5) - 15;
// Frame Frequency
// OLED_WriteReg(0x03, (freq << 8));
OLED_WriteReg(0x03, (freq << 4));
// Driving current R G B
OLED_WriteReg(0x10, (uint8_t)fconf[2]);
OLED_WriteReg(0x11, (uint8_t)fconf[3]);
OLED_WriteReg(0x12, (uint8_t)fconf[4]);
// Precharge time R G B
OLED_WriteReg(0x08, (uint8_t)fconf[5]);
OLED_WriteReg(0x09, (uint8_t)fconf[6]);
OLED_WriteReg(0x0A, (uint8_t)fconf[7]);
// Precharge current R G B
OLED_WriteReg(0x0B, (uint8_t)fconf[8]);
OLED_WriteReg(0x0C, (uint8_t)fconf[9]);
OLED_WriteReg(0x0D, (uint8_t)fconf[10]);
}
// * Display mode set :
// * - RGB
// * - Column = 0->159
// * - Column data display = Normal display
// *
OLED_WriteReg(0x13, 0x00);
// External interface mode=MPU
OLED_WriteReg(0x14, 0x31); // 0x01 ?
// * Memory write mode :
// * - 8 bits dual transfer
// * - 65K support
// * - Horizontal address counter is increased
// * - Vertical address counter is increased
// * - The data is continuously written horizontally
// *
OLED_WriteReg(0x16, 0x66);
// Duty = 128
OLED_WriteReg(0x28, 0x7F);
// Display start on line 0
OLED_WriteReg(0x29, 0x00);
//DDRAM read address start point 0x2E~0x2F
OLED_WriteReg(0x2E, 0x00); // X
OLED_WriteReg(0x2F, 0x00); // Y
// Display screen saver size 0x33~0x36
OLED_WriteReg(0x33, 0x00); // Screen saver columns start
OLED_WriteReg(0x34, 0x9F); // Screen saver columns end
OLED_WriteReg(0x35, 0x00); // Screen saver row start
OLED_WriteReg(0x36, 0x7F); // Screen saver row end
// CLEAR SCREEN !!
OLED_Clear();
Turn_VDDH_On();
Delay_ms(100);
// Display ON
OLED_WriteReg(0x06, 0x01);
}
