int main()
{
//specifies the pins that will be used
int selectedPins[]= {P8_14,P8_12,P8_11,P8_5,P8_4,P8_3};
const char *pinDescription[] = {"DB7","DB6","DB5","DB4","RS","E"};
int i;
struct gpioID enabled_gpio[6];
//initialized the screen
initialize_Screen(enabled_gpio,selectedPins);
//clear the screen from everything that may be in there
for (i=65; i<122; i++)
{
//type every single character characters
clear_Screen(enabled_gpio);
charToScreen((char)i,enabled_gpio);
sleep(1);
}
//this instruction must be added or the LCD may not work as expected next
//time... unless you reboot it.
terminate_Screen(enabled_gpio,selectedPins);
}
/**
* @brief Prints a string to the screen.
* @param full_string String that needs to be printed on the LCD
* @param enabled_gpio[] Initialized array of gpioID.
**/
void stringToScreen(const char *full_string, struct gpioID enabled_gpio[])
{
int i;
int length = strlen(full_string);
for (i=0; i<length; i++)
{
charToScreen(full_string[i],enabled_gpio);
}
}
/**
* @brief Prints a string to the screen.
* @param full_string String that needs to be printed on the LCD
* @param selected_GPIOs[] Initialized array of gpioID.
**/
void stringToScreen(const char *full_string, int line, struct gpioID enabled_gpio[])
{
int i;
int length = strlen(full_string);
/* set DDRAM address to first line offset : 0x00 */
if (1 == line) {
execute_command(enabled_gpio, 0x80);
}
/* set DDRAM address to second line offset : 0x28 */
if (2 == line) {
execute_command(enabled_gpio, 0xa8);
}
for (i=0; i<length; i++)
{
charToScreen(full_string[i],enabled_gpio);
//printf("%c\n",full_string[i]);
}
}
