/**
* @brief Initializes the screen so we can use it.
* @param selected_GPIOs[] An initialized array of gpioID.
* @param selectedPins[] The user defined pins.
**/
void initialize_Screen(struct gpioID enabled_gpio[],int selectedPins[])
{
int nbr_selectedPins=6;
const char *pinDescription[] = {"","","","","",""};
unsigned int data_to_write;
initialize_each_enabled_gpio(enabled_gpio,selectedPins,nbr_selectedPins);
if (DISPLAY_DATA_ON_SCREEN) display_each_enabled_gpio(enabled_gpio,nbr_selectedPins,pinDescription);
//E RS DB4 DB5 DB6 DB7
//0 0 1 1 0 0 (base 2) which equals 12 (base 10)
data_to_write=12;
turn_ON_OFF_pins(enabled_gpio,data_to_write,nbr_selectedPins,MAX_DELAY,pinDescription);
pulsePin(enabled_gpio,data_to_write,nbr_selectedPins,DISPLAY_DATA_ON_SCREEN, pinDescription, 5, MAX_DELAY);
sleep(MAX_DELAY);
//E RS DB4 DB5 DB6 DB7
//0 0 0 1 0 0 (base 2) which equals 4 (base 10) : 4 bit mode
data_to_write=4;
turn_ON_OFF_pins(enabled_gpio,data_to_write,nbr_selectedPins,MAX_DELAY,pinDescription);
pulsePin(enabled_gpio,data_to_write,nbr_selectedPins,DISPLAY_DATA_ON_SCREEN, pinDescription, 5, MAX_DELAY);
sleep(MAX_DELAY);
//enable display part 1 - Display ON/OFF & Cursor
//E RS DB4 DB5 DB6 DB7 = 000000 (2) == 0 (10)
data_to_write=0;
turn_ON_OFF_pins(enabled_gpio,data_to_write,nbr_selectedPins,MAX_DELAY,pinDescription);
pulsePin(enabled_gpio,data_to_write,nbr_selectedPins,DISPLAY_DATA_ON_SCREEN, pinDescription, 5, MAX_DELAY);
sleep(MAX_DELAY);
//enable display part 2 - Display ON/OFF & Cursor
//E RS DB4 DB5 DB6 DB7 = 000011 (2) == 3 (10)
data_to_write=3;
turn_ON_OFF_pins(enabled_gpio,data_to_write,nbr_selectedPins,MAX_DELAY,pinDescription);
pulsePin(enabled_gpio,data_to_write,nbr_selectedPins,DISPLAY_DATA_ON_SCREEN, pinDescription, 5, MAX_DELAY);
sleep(MAX_DELAY);
//two line mode 5x7 part 1
//E RS DB4 DB5 DB6 DB7 = 000100 (2) == 4 (10)
data_to_write=4;
turn_ON_OFF_pins(enabled_gpio,data_to_write,nbr_selectedPins,MAX_DELAY,pinDescription);
pulsePin(enabled_gpio,data_to_write,nbr_selectedPins,DISPLAY_DATA_ON_SCREEN, pinDescription, 5, MAX_DELAY);
sleep(MAX_DELAY);
//two line mode 5x7 part 2 (the 0 next to the 1 specifies the 5x7)
//E RS DB4 DB5 DB6 DB7 = 000001 (2) == 1 (10)
data_to_write=1;
turn_ON_OFF_pins(enabled_gpio,data_to_write,nbr_selectedPins,MAX_DELAY,pinDescription);
pulsePin(enabled_gpio,data_to_write,nbr_selectedPins,DISPLAY_DATA_ON_SCREEN, pinDescription, 5, MAX_DELAY);
sleep(MAX_DELAY);
}
/**
* @brief Initializes the screen so we can use it.
* @param selected_GPIOs[] An initialized array of gpioID.
* @param selectedPins[] The user defined pins.
**/
void initialize_Screen(struct gpioID enabled_gpio[],int selectedPins[])
{
int nbr_selectedPins=6;
unsigned int data_to_write;
initialize_each_enabled_gpio(enabled_gpio,selectedPins,nbr_selectedPins);
#if CONFIG_DEBUG_LCD
display_each_enabled_gpio(enabled_gpio,nbr_selectedPins);
#endif
/* INIT (cf wiki) */
usleep (20000); // 15000
execute_command(enabled_gpio, 0x30);
usleep (10000); // 4100
execute_command(enabled_gpio, 0x30);
usleep (1000); // 100
execute_command(enabled_gpio, 0x30);
usleep ( 1000);
// 4-bit
//execute_command(enabled_gpio, 0x20);
turn_ON_OFF_pins( enabled_gpio, 0x2, 6);
pulsePin( enabled_gpio, 0x2, 6, 5, 0.05);
usleep ( 1000);
/* FUNCTION SET : 4-bit, 2-line, 5x7, */
execute_command(enabled_gpio, 0x28);
/* DISPLAY ON/OFF CONTROL : display ON, cursor OFF, blink OFF */
execute_command(enabled_gpio, 0x0c);
/* CLEAR DISPLAY : clear display and return to home position */
execute_command(enabled_gpio, 0x01);
/* ENTRY MODE SET : set direction to increment */
execute_command(enabled_gpio, 0x06);
/* RETURN HOME : return to home position */
// execute_command(enabled_gpio, 0x02);
/* CURSOR & DISPLAY SHIFT : cursor move, right direction */
// execute_command(enabled_gpio, 0x14);
}
