void LCD_Init() {
_delay_ms(40);
_LCD_Transmit4bit((LCD_SETUP | LCD_8BITMODE) >> 4, LCDCOMMAND);
_delay_us(4100);
_LCD_Transmit4bit((LCD_SETUP | LCD_8BITMODE) >> 4, LCDCOMMAND);
_delay_us(100);
_LCD_Transmit4bit((LCD_SETUP | LCD_8BITMODE) >> 4, LCDCOMMAND);
while(_LCD_Busy());
_LCD_Transmit4bit((LCD_SETUP | LCD_4BITMODE) >> 4, LCDCOMMAND);
_LCD_WriteCommand(LCD_SETUP | LCD_4BITMODE | LCD_2LINE | LCD_5x8DOTS);
_LCD_WriteCommand(LCD_DISPCTRL | LCD_DISPOFF | LCD_CURSUNDEROFF | LCD_CURSBOXOFF);
_LCD_WriteCommand(LCD_CLRSCR);
_LCD_WriteCommand(LCD_ENTRYMODE | LCD_COUNTERINC | LCD_DISPSHIFTOFF);
_LCD_WriteCommand(LCD_GOTO00);
LCD_BacklightOn();
_LCD_WriteCommand(LCD_DISPCTRL | LCD_DISPON | LCD_CURSUNDEROFF | LCD_CURSBOXOFF);
}
/**
* @brief Main program
* @param None
* @retval None: no exit point
*/
int main(void)
{
uint16_t u16Menu = 0;
uint16_t uVal;
NVIC_Relocate();
/* Initialize SysTick - 1msec resolution */
SysTick_Config(SystemCoreClock / 1000);
/* Initialize main board peripherals */
MBD_Init();
printf("miniSTM32 mainboard initialized.\n");
/* Initialize LCD support */
LCD_Init();
LCD_DisplayOn();
printf("LCD initialized.\n");
LCD_BacklightOn();
printf("\n\nPress the button to start demo.\n\n");
while (1)
{
/* main menu controlled by pushbutton interrupt */
if( uIRQFlag == MAIN_BTN_EXTI_LINE ) {
/* clear button interrupt flag */
uIRQFlag = 0;
/* droid family fonts */
if( u16Menu == MENU_FONT_TEST1 ) {
uVal = START_Y;
LCD_Clear(LCD_COLOR_BLACK);
LCD_SetFGColor(LCD_COLOR_YELLOW);
LCD_SetBGColor(LCD_COLOR(40,40,80));
/* 2.4inch LCD has not enough space to draw long string */
#if defined(LCD_QD024CPS25)
LCD_SetFont(&DroidSans_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Sans 18 point");
uVal += DroidSans_18.Height + LINE_SEP;
LCD_SetFont(&DroidSans_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Sans Bold 18 pt");
uVal += DroidSans_Bold_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif 18 point");
uVal += DroidSerif_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif Bold 18 pt");
uVal += DroidSerif_Bold_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif Italic 18");
#else
LCD_SetFont(&DroidSans_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Sans 18 point");
uVal += DroidSans_18.Height + LINE_SEP;
LCD_SetFont(&DroidSans_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Sans Bold 18 point");
uVal += DroidSans_Bold_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif 18 point");
uVal += DroidSerif_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif Bold 18 point");
uVal += DroidSerif_Bold_18.Height + LINE_SEP;
LCD_SetFont(&DroidSerif_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Droid Serif Italic 18 point");
#endif
}
/* liberation family fonts, federant font */
else if( u16Menu == MENU_FONT_TEST2 ) {
uVal = START_Y;
LCD_Clear(LCD_COLOR_BLACK);
LCD_SetFGColor(LCD_COLOR_YELLOW);
LCD_SetBGColor(LCD_COLOR(40,40,80));
/* 2.4inch LCD has not enough space to draw long string */
#if defined(LCD_QD024CPS25)
LCD_SetFont(&LiberationSans_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Sans 18 point");
uVal += LiberationSans_18.Height + LINE_SEP;
LCD_SetFont(&LiberationSerif_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Serif 18 point");
uVal += LiberationSerif_18.Height + LINE_SEP;
LCD_SetFont(&LiberationSerif_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Serif Italic 18");
uVal += LiberationSerif_Italic_18.Height + LINE_SEP;
LCD_SetFont(&Federant_18);
LCD_DisplayStringLine(START_X, uVal, "Federant 18 point");
#else
LCD_SetFont(&LiberationSans_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Sans 18 point");
uVal += LiberationSans_18.Height + LINE_SEP;
LCD_SetFont(&LiberationSerif_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Serif 18 point");
uVal += LiberationSerif_18.Height + LINE_SEP;
LCD_SetFont(&LiberationSerif_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Liberation Serif Italic 18 point");
uVal += LiberationSerif_Italic_18.Height + LINE_SEP;
LCD_SetFont(&Federant_18);
LCD_DisplayStringLine(START_X, uVal, "Federant 18 point");
#endif
}
/* Ubuntu family fonts */
else if( u16Menu == MENU_FONT_TEST3 ) {
uVal = START_Y;
LCD_Clear(LCD_COLOR_BLACK);
LCD_SetFGColor(LCD_COLOR_YELLOW);
LCD_SetBGColor(LCD_COLOR(40,40,80));
/* 2.4inch LCD has not enough space to draw long string */
#if defined(LCD_QD024CPS25)
LCD_SetFont(&Ubuntu_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu 18 point");
uVal += Ubuntu_18.Height + LINE_SEP;
LCD_SetFont(&Ubuntu_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu Bold 18 point");
uVal += Ubuntu_Bold_18.Height + LINE_SEP;
LCD_SetFont(&Ubuntu_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu Italic 18");
#else
LCD_SetFont(&Ubuntu_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu 18 point");
uVal += Ubuntu_18.Height + LINE_SEP;
LCD_SetFont(&Ubuntu_Bold_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu Bold 18 point");
uVal += Ubuntu_Bold_18.Height + LINE_SEP;
LCD_SetFont(&Ubuntu_Italic_18);
LCD_DisplayStringLine(START_X, uVal, "Ubuntu Italic 18 point");
#endif
}
/* various size of droid sans */
else if( u16Menu == MENU_FONT_TEST4 ) {
uVal = START_Y;
LCD_Clear(LCD_COLOR_BLACK);
LCD_SetFGColor(LCD_COLOR_YELLOW);
LCD_SetBGColor(LCD_COLOR(40,40,80));
LCD_SetFont(&DroidSans_10);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 10 point");
uVal += DroidSans_10.Height + LINE_SEP;
LCD_SetFont(&DroidSans_12);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 12 point");
uVal += DroidSans_12.Height + LINE_SEP;
LCD_SetFont(&DroidSans_14);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 14 point");
uVal += DroidSans_14.Height + LINE_SEP;
LCD_SetFont(&DroidSans_16);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 16 point");
uVal += DroidSans_16.Height + LINE_SEP;
LCD_SetFont(&DroidSans_18);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 18 point");
uVal += DroidSans_18.Height + LINE_SEP;
LCD_SetFont(&DroidSans_20);
LCD_DisplayStringLine(START_X, uVal, "DroidSans 20 point");
}
/* at the end of menu, restart all over */
if( ++u16Menu == MENU_END )
{
printf("\n\nEnd of Demo: Press the button to restart... \n\n\n");
u16Menu = 0;
}
}
/* usual household routine goes here */
{
}
}
}
