/**
* Fill a box on the lcd
*
* @param sx Start X
* @param sy Start Y
* @param ex End X
* @param ey End Y
* @param color Color
*/
void lcd_box( char sx, char sy, char ex, char ey, char color )
{
spi_command( CASET );
spi_data( sx );
spi_data( ex );
spi_command( PASET );
spi_data( sy );
spi_data( ey );
spi_command( RAMWR );
int len = ( ( ex - sx ) * ( ey - sy ) ) * 2;
for ( int i = 0; i < len; i++ )
{
spi_data( color );
}
}
void N6100LCD::set_pixel(uint8_t x, uint8_t y, uint16_t color)
{
set_area(x, y, x, y);
spi_data((color >> 4) & 0xFF);
spi_data(((color & 0x0F) << 4));
spi_cmd(NOP);
spi_flush();
}
/**
* Initialize the lcd
*/
void lcd_init()
{
enable_lcd();
setPin( LCD_PORT, LCD_RST, 0 );
setPin( LCD_PORT, LCD_RST, 1 );
ROM_SysCtlDelay( 500 );
spi_command( SLEEPOUT );
spi_command( BSTRON );
spi_command( COLMOD );
spi_command( MADCTL );
spi_data( 0xC0 );
spi_command( SETCON );
spi_data( 0x40 );
spi_command( DISPON );
setPin( LCD_PORT, LCD_CS, 0 );
lcd_clear();
}
//row&=7;
//spi_command(0x80); //column
//spi_command(0x40|row); //row
//rc=0;
//for(ra=0;ra<11;ra++)
//{
//if(s[ra]==0) break;
//for(rb=0;rb<8;rb++)
//{
//rd=s[ra];
//spi_data(fontdata[rd][rb]);
//rc++;
//}
//}
//for(;rc<84;rc++) spi_data(0);
//}
//------------------------------------------------------------------------
void show_time ( void )
{
unsigned int ra;
unsigned int rb;
unsigned int rc;
unsigned int rd;
unsigned int re;
unsigned int rf;
uart_putc(0x30+(tim[0]&0xF));
uart_putc(0x30+(tim[1]&0xF));
uart_putc(0x30+(tim[2]&0xF));
uart_putc(0x30+(tim[3]&0xF));
uart_putc(0x0D);
uart_putc(0x0A);
for(rb=0;rb<5;rb++)
{
spi_command(0x80); //column
spi_command(0x40|rb); //row
if(tim[0]==0) re=0x00;
else re=0xFF;
for(rf=0;rf<6;rf++) spi_data(re);
for(rf=0;rf<6;rf++) spi_data(0x00);
for(ra=1;ra<4;ra++)
{
rc=clockdata[tim[ra]][rb];
for(rd=0x8;rd;rd>>=1)
{
if(rc&rd) re=0xFF;
else re=0x00;
for(rf=0;rf<6;rf++) spi_data(re);
}
}
//for(rf=0;rf<0x1000;rf++) dummy(rf);
}
}
void N6100LCD::draw_hline(uint16_t c, uint8_t x, uint8_t y, uint8_t width)
{
if (width<1 || width>ROW_LENGTH) return;
set_area(x, y, x+width-1, y);
for (uint8_t i=0; i<width; ) {
i += 2;
spi_data(( c&0xFF0)>>4); // R1G1
spi_data(((c&0x00F)<<4)|((c&0xF00)>>8)); // B1R2
spi_data( c&0x0FF ); // G2B2
}
spi_flush();
}
//non-inlined version of rfm12_data
//warning: without the attribute, gcc will inline this even if -Os is set
static void __attribute__ ((noinline)) rfm12_data(uint16_t d) {
SS_ASSERT();
#if !(RFM12_SPI_SOFTWARE)
SPDR = d >> 8;
while (!(SPSR & (1<<SPIF)));
SPDR = d & 0xff;
while (!(SPSR & (1<<SPIF)));
#else
spi_data(d >> 8);
spi_data(d & 0xff);
#endif
SS_RELEASE();
}
//non-inlined version of rfm12_read
//warning: without the attribute, gcc will inline this even if -Os is set
static uint16_t __attribute__ ((noinline)) rfm12_read(uint16_t c) {
uint16_t retval;
SS_ASSERT();
#if !(RFM12_SPI_SOFTWARE)
SPDR = c >> 8;
while (!(SPSR & (1<<SPIF)));
retval = SPDR << 8;
SPDR = c & 0xff;
while (!(SPSR & (1<<SPIF)));
retval |= SPDR;
#else
retval = spi_data(c >> 8);
retval <<= 8;
retval |= spi_data(c & 0xff);
#endif
SS_RELEASE();
return retval;
}
//------------------------------------------------------------------------
int notmain ( void )
{
unsigned int ra;
unsigned int rf;
uart_init();
hexstring(0x12345678);
for(ra=0;ra<10;ra++)
{
hexstring(ra);
}
spi_init();
PUT32(GPSET0,1<<7); //reset high
for(ra=0;ra<0x10000;ra++) dummy(ra);
PUT32(GPCLR0,1<<7); //reset low
for(ra=0;ra<0x10000;ra++) dummy(ra);
PUT32(GPSET0,1<<7); //reset high
spi_command(0x21); //extended commands
// spi_command(0xB0); //vop less contrast
spi_command(0xBF); //vop more contrast
spi_command(0x04); //temp coef
spi_command(0x14); //bias mode 1:48
spi_command(0x20); //extended off
spi_command(0x0C); //display on
spi_command(0x80); //column
spi_command(0x40|5); //row
for(rf=0;rf<84;rf++) spi_data(0x00);
tim[0]=0;
tim[1]=0;
tim[2]=0;
tim[3]=0;
show_time();
do_nmea();
hexstring(0x12345678);
return(0);
}
int N6100LCD::init(void)
{
if (MAP_FAILED==gpio_ && gpio_init() < 0) {
DBG("gpio init failed\n");
return -1;
}
if (spi_ < 0 && spi_init() < 0) {
DBG("spi init failed\n");
return -1;
}
DBG("gpio = %X\n", gpio_);
DBG("spi = %d\n", spi_);
INP_GPIO(rst_);
OUT_GPIO(rst_);
GPIO_CLR(rst_);
usleep(200*1000);
GPIO_SET(rst_);
usleep(200*1000);
if (type_ == TYPE_EPSON) {
spi_cmd(DISCTL); // Display control (0xCA)
spi_data(0x0C); // 12 = 1100 - CL dividing ratio [don't divide] switching period 8H (default)
spi_data(0x20); // nlines/4 - 1 = 132/4 - 1 = 32 duty
spi_data(0x00); // No inversely highlighted lines
spi_cmd(COMSCN); // common scanning direction (0xBB)
spi_data(0x01); // 1->68, 132<-69 scan direction
spi_cmd(OSCON); // internal oscialltor ON (0xD1)
spi_cmd(SLPOUT); // sleep out (0x94)
spi_cmd(PWRCTR); // power ctrl (0x20)
spi_data(0x0F); // everything on, no external reference resistors
spi_cmd(DISINV); // invert display mode (0xA7)
spi_cmd(DATCTL); // data control (0xBC)
spi_data(0x03); // Inverse page address, reverse rotation column address, column scan-direction !!! try 0x01
spi_data(0x00); // normal RGB arrangement
spi_data(0x02); // 16-bit Grayscale Type A (12-bit color)
spi_cmd(VOLCTR); // electronic volume, this is the contrast/brightness (0x81)
spi_data(32); // volume (contrast) setting - fine tuning, original (0-63)
spi_data(3); // internal resistor ratio - coarse adjustment (0-7)
spi_cmd(NOP);
usleep(100 * 1000);
spi_cmd(DISON); // display on (0xAF)
} else if (type_ == TYPE_PHILIPS) {
spi_cmd(SLEEPOUT); // Sleep Out (0x11)
spi_cmd(BSTRON); // Booster voltage on (0x03)
spi_cmd(DISPON); // Display on (0x29)
//spi_cmd(INVON); // Inversion on (0x20)
// 12-bit color pixel format:
spi_cmd(COLMOD); // Color interface format (0x3A)
spi_data(0x03); // 0b011 is 12-bit/pixel mode
spi_cmd(MADCTL); // Memory Access Control(PHILLIPS)
//spi_data(0x08);
spi_data(0xC0);
spi_cmd(SETCON); // Set Contrast(PHILLIPS)
spi_data(0x3E);
spi_cmd(NOPP); // nop(PHILLIPS)
}
spi_flush();
DBG("lcd init ok\n");
return 0;
}
