void lcd_init_device(void)
{
#ifdef BOOTLOADER /* Bother at all to do this again? */
/* Init GPIO ports */
lcd_init_gpio();
lcd_power_on();
lcd_display_on();
#else
power_on = true;
display_on = true;
lcd_set_invert_display(false);
lcd_set_flip(false);
#endif
}
void lcd_enable(bool on)
{
/* Disabled until properly working */
return;
if (on == lcd_on)
return;
if (on)
{
lcd_display_on(false); /* Turn on display */
lcd_update(); /* Resync display */
send_event(LCD_EVENT_ACTIVATION, NULL);
}
else
{
lcd_display_off(); /* Turn off display */
}
}
/**
* Lousy function for automatic LCD initialization
*/
void lcd_initialize(void) {
unsigned char i;
// set relevant pins as outputs
LCD_DATA_DDR = ~DATA_MASK;
LCD_RS_DDR = 0;
LCD_RW_DDR = 0;
LCD_EN_DDR = 0;
LCD_BL_DDR = 0;
// initialize the display_config
for (i = 0; i < 6; i++) {
display_config[i] = 0x00;
}
LCD_RS = 0;
LCD_RW = 0;
// set 4-bit mode
_send_nibble(0b0010);
// function set
lcd_flags_set(FUNCTION_SET, DATA_LENGTH | CHAR_FONT, 0);
lcd_flags_set(FUNCTION_SET, DISPLAY_LINES, 1);
lcd_backlight_on();
lcd_display_on();
lcd_cursor_off();
lcd_blinking_off();
lcd_flags_set(ENTRY_MODE, CURSOR_INCREMENT, 1);
lcd_flags_set(ENTRY_MODE, ENABLE_SHIFTING, 0);
lcd_clear();
lcd_return_home();
}
/**
* \brief Application entry point for spi_touchscreen example.
*
* \return Unused (ANSI-C compatibility).
*/
int main(void)
{
uint8_t uc_result;
sysclk_init();
board_init();
configure_console();
/* Enable clocks for push buttons management */
pmc_enable_periph_clk(ID_PIOA);
pmc_enable_periph_clk(ID_PIOB);
pmc_enable_periph_clk(ID_PIOC);
/* Output example information */
puts(STRING_HEADER);
/* Configure systick for 1 ms. */
puts("Configure system tick to get 1ms tick period.\r");
if (SysTick_Config(sysclk_get_cpu_hz() / 1000)) {
puts("Systick configuration error\r");
while (1);
}
/* Switch off backlight */
aat31xx_disable_backlight();
lcd_init();
lcd_set_foreground_color(UNI_COLOR_WHITE);
lcd_draw_filled_rectangle(0, 0, LCD_WIDTH, LCD_HEIGHT);
/* Turn on LCD */
lcd_display_on();
/* Switch on backlight */
aat31xx_set_backlight(AAT31XX_MAX_BACKLIGHT_LEVEL);
/* Initializes the PIO interrupt management for touchscreen driver */
pio_handler_set_priority(PIOA, PIOA_IRQn, IRQ_PRIOR_PIO);
pio_handler_set_priority(PIOB, PIOB_IRQn, IRQ_PRIOR_PIO);
pio_handler_set_priority(PIOC, PIOC_IRQn, IRQ_PRIOR_PIO);
/* Initialize touchscreen without calibration */
rtouch_init(LCD_WIDTH, LCD_HEIGHT);
rtouch_enable();
rtouch_set_event_handler(event_handler);
while (1) {
uc_result = rtouch_calibrate();
if (uc_result == 0) {
puts("Calibration successful !\r");
break;
} else {
puts("Calibration failed; error delta is too big ! Please retry calibration procedure...\r");
}
}
while (1) {
}
}
void lcd_init_device(void)
{
if(!_lcd_enabled())
{
lcd_display_on(true);
enable_venc(true);
/* Set LCD values in Video Encoder */
IO_VID_ENC_VMOD &= 0x8800; /* Clear all values */
IO_VID_ENC_VMOD |= (VENC_VMOD_DACPD | VENC_VMOD_VMD | VENC_VMOD_ITLC | VENC_VMOD_VDMD(2)); /* set mode to RGB666 parallel 16 bit */
IO_VID_ENC_VDCTL &= 0x8FE8; /* Clear all values */
IO_VID_ENC_VDCTL |= (VENC_VDCTL_VCLKP | VENC_VDCTL_DOMD(2)),
IO_VID_ENC_VDPRO = VENC_VDPRO_PFLTR;
IO_VID_ENC_SYNCTL &= 0xE000; /* Clear all values */
IO_VID_ENC_SYNCTL |= (VENC_SYNCTL_VPL | VENC_SYNCTL_HPL);
IO_VID_ENC_HSDLY = 0;
IO_VID_ENC_HSPLS = 0x12;
IO_VID_ENC_HSTART = 0x1B;
IO_VID_ENC_HVALID = 0x140;
IO_VID_ENC_HINT = 0x168;
IO_VID_ENC_VSDLY = 0;
IO_VID_ENC_VSPLS = 3;
IO_VID_ENC_VSTART = 5;
IO_VID_ENC_VVALID = 0xF0;
IO_VID_ENC_VINT = 0x118;
IO_VID_ENC_RGBCTL &= 0x088; /* Clear all values */
IO_VID_ENC_RGBCTL |= VENC_RGBCTL_DFLTR;
IO_VID_ENC_RGBCLP = VENC_RGBCLP_UCLIP(0xFF);
IO_VID_ENC_LCDOUT &= 0xFE00; /* Clear all values */
IO_VID_ENC_LCDOUT |= (VENC_LCDOUT_OEE | VENC_LCDOUT_FIDS);
IO_VID_ENC_DCLKCTL &= 0xC0C0; /* Clear all values */
IO_VID_ENC_DCLKCTL |= VENC_DCLKCTL_DCKEC;
IO_VID_ENC_DCLKPTN0 = 1;
DM320_REG(0x0864) = 0; /* ???? */
}
else
lcd_on = true;
/* Based on lcd-mr500.c from Catalin Patulea */
/* Clear the Frame */
memset16(FRAME, 0x0000, LCD_WIDTH*LCD_HEIGHT);
IO_OSD_MODE = 0x00ff;
IO_OSD_VIDWINMD = 0x0002;
IO_OSD_OSDWINMD0 = 0x2001;
IO_OSD_OSDWINMD1 = 0x0002;
IO_OSD_ATRMD = 0x0000;
IO_OSD_RECTCUR = 0x0000;
unsigned int addr;
IO_OSD_OSDWIN0OFST = (LCD_WIDTH*16) / 256;
addr = ((unsigned int)FRAME-CONFIG_SDRAM_START) / 32;
IO_OSD_OSDWINADH = addr >> 16;
IO_OSD_OSDWIN0ADL = addr & 0xFFFF;
#ifndef ZEN_VISION
IO_OSD_BASEPX = 26;
IO_OSD_BASEPY = 5;
#else
IO_OSD_BASEPX = 80;
IO_OSD_BASEPY = 0;
#endif
IO_OSD_OSDWIN0XP = 0;
IO_OSD_OSDWIN0YP = 0;
IO_OSD_OSDWIN0XL = LCD_WIDTH;
IO_OSD_OSDWIN0YL = LCD_HEIGHT;
IO_VID_ENC_VDCTL |= VENC_VDCTL_VCLKE; /* Enable VCLK */
IO_VID_ENC_VMOD |= VENC_VMOD_VENC; /* Enable video encoder */
IO_VID_ENC_SYNCTL |= VENC_SYNCTL_SYE; /* Enable sync output */
IO_VID_ENC_VDCTL &= ~VENC_VDCTL_DOMD(3); /* Normal digital data output */
}