// On this controller the back-light is controlled by the controllers internal PWM
// which is why it is in this file rather than the board file.
static inline void set_backlight(GDisplay* g, uint8_t percent) {
uint8_t temp;
//Work in progress: the RA8875 has a built-in PWM, its output can
//be used by a Dynamic Background Control or by a host (user)
// Enable PWM1
write_index(g, 0x8a); //MCLR
setreadmode(g);
temp = read_data(g);
setwritemode(g);
temp |= 1<<7 ;
write_data(g, temp);
// PWM1 function select
write_index(g, 0x8a); //MCLR
setreadmode(g);
temp = read_data(g);
setwritemode(g);
temp &= ~(1<<4);
write_data(g, temp);
// PWM1 Clock ratio
write_index(g, 0x8a); //MCLR
setreadmode(g);
temp = read_data(g);
setwritemode(g);
temp &= 0xf0;
temp |= 0x0b & 0x0f;
write_data(g, temp);
// PWM1 Write duty cycle
write_reg8(g, 0x8b, 54+percent); // PTNO: Also change percent to range from 0x00 to 0xFF
}
LLDSPEC void gdisp_lld_read_start(GDisplay *g) {
acquire_bus(g);
//set_viewport(g);
//write_index(g, 0x2E);
setreadmode(g);
//dummy_read(g);
}
LLDSPEC void gdisp_lld_read_start(GDisplay *g) {
acquire_bus(g);
set_viewport(g);
set_cursor(g);
setreadmode(g);
dummy_read(g);
}
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
uint16_t cver;
// No private area for this controller
g->priv = 0;
// Initialise the board interface
init_board(g);
/* Hardware reset */
setpin_reset(g, TRUE);
gfxSleepMicroseconds(1000);
setpin_reset(g, FALSE);
gfxSleepMicroseconds(1000);
acquire_bus(g);
write_index(g, 0); // Get controller version
setreadmode(g);
dummy_read(g);
cver = read_data(g);
setwritemode(g);
/* initializing funciton */
write_reg(g, 0xe5,0x8000); /* Set the internal vcore voltage */
write_reg(g, 0x00,0x0001); /* start OSC */
write_reg(g, 0x2b,0x0010); /* Set the frame rate as 80 when the internal resistor is used for oscillator circuit */
write_reg(g, 0x01,0x0100); /* s720 to s1 ; G1 to G320 */
write_reg(g, 0x02,0x0700); /* set the line inversion */
write_reg(g, 0x03,0x1018); /* 65536 colors */
write_reg(g, 0x04,0x0000);
write_reg(g, 0x08,0x0202); /* specify the line number of front and back porch periods respectively */
write_reg(g, 0x09,0x0000);
write_reg(g, 0x0a,0x0000);
write_reg(g, 0x0c,0x0000); /* select internal system clock */
write_reg(g, 0x0d,0x0000);
write_reg(g, 0x0f,0x0000);
write_reg(g, 0x50,0x0000); /* set windows adress */
write_reg(g, 0x51,0x00ef);
write_reg(g, 0x52,0x0000);
write_reg(g, 0x53,0x013f);
write_reg(g, 0x60,0x2700);
write_reg(g, 0x61,0x0001);
write_reg(g, 0x6a,0x0000);
write_reg(g, 0x80,0x0000);
write_reg(g, 0x81,0x0000);
write_reg(g, 0x82,0x0000);
write_reg(g, 0x83,0x0000);
write_reg(g, 0x84,0x0000);
write_reg(g, 0x85,0x0000);
write_reg(g, 0x90,0x0010);
write_reg(g, 0x92,0x0000);
write_reg(g, 0x93,0x0003);
write_reg(g, 0x95,0x0110);
write_reg(g, 0x97,0x0000);
write_reg(g, 0x98,0x0000);
/* power setting function */
write_reg(g, 0x10,0x0000);
write_reg(g, 0x11,0x0000);
write_reg(g, 0x12,0x0000);
write_reg(g, 0x13,0x0000);
gfxSleepMicroseconds(100);
write_reg(g, 0x10,0x17b0);
write_reg(g, 0x11,0x0004);
gfxSleepMicroseconds(50);
write_reg(g, 0x12,0x013e);
gfxSleepMicroseconds(50);
write_reg(g, 0x13,0x1f00);
write_reg(g, 0x29,0x000f);
gfxSleepMicroseconds(50);
write_reg(g, 0x20,0x0000);
write_reg(g, 0x21,0x0000);
/* initializing function */
write_reg(g, 0x30,0x0204);
write_reg(g, 0x31,0x0001);
write_reg(g, 0x32,0x0000);
write_reg(g, 0x35,0x0206);
write_reg(g, 0x36,0x0600);
write_reg(g, 0x37,0x0500);
write_reg(g, 0x38,0x0505);
write_reg(g, 0x39,0x0407);
write_reg(g, 0x3c,0x0500);
write_reg(g, 0x3d,0x0503);
/* display on */
write_reg(g, 0x07,0x0173);
gfxSleepMicroseconds(50);
// Finish Init
post_init_board(g);
// Release the bus
release_bus(g);
// Turn on the backlight
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
/* Initialise the GDISP structure */
g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Orientation = GDISP_ROTATE_0;
g->g.Powermode = powerOn;
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
g->g.Contrast = GDISP_INITIAL_CONTRAST;
return TRUE;
}
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
unsigned short DeviceCode;
// No private area for this controller
g->priv = 0;
// Initialise the board interface
init_board(g);
/* Hardware reset */
setpin_reset(g, TRUE);
gfxSleepMilliseconds(1);
setpin_reset(g, FALSE);
gfxSleepMilliseconds(10);
setpin_reset(g, TRUE);
gfxSleepMilliseconds(50);
acquire_bus(g);
setreadmode(g);
DeviceCode = read_reg(g, 0x00);
setwritemode(g);
if( DeviceCode == 0x9320 || DeviceCode == 0x9300 )
{
write_reg(g, 0x00, 0x0000);
write_reg(g, 0x01, 0x0100); /* Driver Output Contral */
write_reg(g, 0x02, 0x0700); /* LCD Driver Waveform Contral */
write_reg(g, 0x03, 0x1038); /* Set the scan mode */
write_reg(g, 0x04, 0x0000); /* Scalling Contral */
write_reg(g, 0x08, 0x0202); /* Display Contral 2 */
write_reg(g, 0x09, 0x0000); /* Display Contral 3 */
write_reg(g, 0x0a, 0x0000); /* Frame Cycle Contal */
write_reg(g, 0x0c, (1<<0)); /* Extern Display Interface Contral 1 */
write_reg(g, 0x0d, 0x0000); /* Frame Maker Position */
write_reg(g, 0x0f, 0x0000); /* Extern Display Interface Contral 2 */
gfxSleepMilliseconds(50);
write_reg(g, 0x07, 0x0101); /* Display Contral */
gfxSleepMilliseconds(50);
write_reg(g, 0x10, (1<<12)|(0<<8)|(1<<7)|(1<<6)|(0<<4)); /* Power Control 1 */
write_reg(g, 0x11, 0x0007); /* Power Control 2 */
write_reg(g, 0x12, (1<<8)|(1<<4)|(0<<0)); /* Power Control 3 */
write_reg(g, 0x13, 0x0b00); /* Power Control 4 */
write_reg(g, 0x29, 0x0000); /* Power Control 7 */
write_reg(g, 0x2b, (1<<14)|(1<<4));
write_reg(g, 0x50, 0); /* Set X Start */
write_reg(g, 0x51, 239); /* Set X End */
write_reg(g, 0x52, 0); /* Set Y Start */
write_reg(g, 0x53, 319); /* Set Y End */
gfxSleepMilliseconds(50);
write_reg(g, 0x60, 0x2700); /* Driver Output Control */
write_reg(g, 0x61, 0x0001); /* Driver Output Control */
write_reg(g, 0x6a, 0x0000); /* Vertical Srcoll Control */
write_reg(g, 0x80, 0x0000); /* Display Position? Partial Display 1 */
write_reg(g, 0x81, 0x0000); /* RAM Address Start? Partial Display 1 */
write_reg(g, 0x82, 0x0000); /* RAM Address End-Partial Display 1 */
write_reg(g, 0x83, 0x0000); /* Displsy Position? Partial Display 2 */
write_reg(g, 0x84, 0x0000); /* RAM Address Start? Partial Display 2 */
write_reg(g, 0x85, 0x0000); /* RAM Address End? Partial Display 2 */
write_reg(g, 0x90, (0<<7)|(16<<0)); /* Frame Cycle Contral */
write_reg(g, 0x92, 0x0000); /* Panel Interface Contral 2 */
write_reg(g, 0x93, 0x0001); /* Panel Interface Contral 3 */
write_reg(g, 0x95, 0x0110); /* Frame Cycle Contral */
write_reg(g, 0x97, (0<<8));
write_reg(g, 0x98, 0x0000); /* Frame Cycle Contral */
write_reg(g, 0x07, 0x0133);
}
else if( DeviceCode == 0x9325 || DeviceCode == 0x9328)
{
write_reg(g, 0x00e7, 0x0010);
write_reg(g, 0x0000, 0x0001); /* start internal osc */
write_reg(g, 0x0001, 0x0100);
write_reg(g, 0x0002, 0x0700); /* power on sequence */
write_reg(g, 0x0003, (1<<12)|(1<<5)|(1<<4)|(0<<3) ); /* importance */
write_reg(g, 0x0004, 0x0000);
write_reg(g, 0x0008, 0x0207);
write_reg(g, 0x0009, 0x0000);
write_reg(g, 0x000a, 0x0000); /* display setting */
write_reg(g, 0x000c, 0x0001); /* display setting */
write_reg(g, 0x000d, 0x0000);
write_reg(g, 0x000f, 0x0000);
/* Power On sequence */
write_reg(g, 0x0010, 0x0000);
write_reg(g, 0x0011, 0x0007);
write_reg(g, 0x0012, 0x0000);
write_reg(g, 0x0013, 0x0000);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0010, 0x1590);
write_reg(g, 0x0011, 0x0227);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0012, 0x009c);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0013, 0x1900);
write_reg(g, 0x0029, 0x0023);
write_reg(g, 0x002b, 0x000e);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0020, 0x0000);
write_reg(g, 0x0021, 0x0000);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0030, 0x0007);
write_reg(g, 0x0031, 0x0707);
write_reg(g, 0x0032, 0x0006);
write_reg(g, 0x0035, 0x0704);
write_reg(g, 0x0036, 0x1f04);
write_reg(g, 0x0037, 0x0004);
write_reg(g, 0x0038, 0x0000);
write_reg(g, 0x0039, 0x0706);
write_reg(g, 0x003c, 0x0701);
write_reg(g, 0x003d, 0x000f);
gfxSleepMilliseconds(50); /* delay 50 ms */
write_reg(g, 0x0050, 0x0000);
write_reg(g, 0x0051, 0x00ef);
write_reg(g, 0x0052, 0x0000);
write_reg(g, 0x0053, 0x013f);
write_reg(g, 0x0060, 0xa700);
write_reg(g, 0x0061, 0x0001);
write_reg(g, 0x006a, 0x0000);
write_reg(g, 0x0080, 0x0000);
write_reg(g, 0x0081, 0x0000);
write_reg(g, 0x0082, 0x0000);
write_reg(g, 0x0083, 0x0000);
write_reg(g, 0x0084, 0x0000);
write_reg(g, 0x0085, 0x0000);
write_reg(g, 0x0090, 0x0010);
write_reg(g, 0x0092, 0x0000);
write_reg(g, 0x0093, 0x0003);
write_reg(g, 0x0095, 0x0110);
write_reg(g, 0x0097, 0x0000);
write_reg(g, 0x0098, 0x0000);
/* display on sequence */
write_reg(g, 0x0007, 0x0133);
write_reg(g, 0x0020, 0x0000);
write_reg(g, 0x0021, 0x0000);
}
gfxSleepMilliseconds(100); /* delay 50 ms */
// Finish Init
post_init_board(g);
// Release the bus
release_bus(g);
// Turn on the backlight
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
/* Initialise the GDISP structure */
g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Orientation = GDISP_ROTATE_0;
g->g.Powermode = powerOn;
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
g->g.Contrast = GDISP_INITIAL_CONTRAST;
return TRUE;
}
LLDSPEC bool_t gdisp_lld_init(GDisplay *g) {
uint16_t cver;
// No private area for this controller
g->priv = 0;
// Initialise the board interface
init_board(g);
/* Hardware reset */
setpin_reset(g, TRUE);
gfxSleepMicroseconds(1000);
setpin_reset(g, FALSE);
gfxSleepMicroseconds(1000);
acquire_bus(g);
write_index(g, 0); // Get controller version
setreadmode(g);
dummy_read(g);
cver = read_data(g);
setwritemode(g);
// chinese code starts here
write_reg(g, 0x00, 0x0001);
gfxSleepMilliseconds(10);
write_reg(g, 0x15, 0x0030);
write_reg(g, 0x11, 0x0040);
write_reg(g, 0x10, 0x1628);
write_reg(g, 0x12, 0x0000);
write_reg(g, 0x13, 0x104d);
gfxSleepMilliseconds(10);
write_reg(g, 0x12, 0x0010);
gfxSleepMilliseconds(10);
write_reg(g, 0x10, 0x2620);
write_reg(g, 0x13, 0x344d); //304d
gfxSleepMilliseconds(10);
write_reg(g, 0x01, 0x0100);
write_reg(g, 0x02, 0x0300);
write_reg(g, 0x03, 0x1038);//0x1030
write_reg(g, 0x08, 0x0604);
write_reg(g, 0x09, 0x0000);
write_reg(g, 0x0A, 0x0008);
write_reg(g, 0x41, 0x0002);
write_reg(g, 0x60, 0x2700);
write_reg(g, 0x61, 0x0001);
write_reg(g, 0x90, 0x0182);
write_reg(g, 0x93, 0x0001);
write_reg(g, 0xa3, 0x0010);
gfxSleepMilliseconds(10);
//################# void Gamma_Set(void) ####################//
write_reg(g, 0x30, 0x0000);
write_reg(g, 0x31, 0x0502);
write_reg(g, 0x32, 0x0307);
write_reg(g, 0x33, 0x0305);
write_reg(g, 0x34, 0x0004);
write_reg(g, 0x35, 0x0402);
write_reg(g, 0x36, 0x0707);
write_reg(g, 0x37, 0x0503);
write_reg(g, 0x38, 0x1505);
write_reg(g, 0x39, 0x1505);
gfxSleepMilliseconds(10);
//################## void Display_ON(void) ####################//
write_reg(g, 0x07, 0x0001);
gfxSleepMilliseconds(10);
write_reg(g, 0x07, 0x0021);
write_reg(g, 0x07, 0x0023);
gfxSleepMilliseconds(10);
write_reg(g, 0x07, 0x0033);
gfxSleepMilliseconds(10);
write_reg(g, 0x07, 0x0133);
// chinese code ends here
// Finish Init
post_init_board(g);
// Release the bus
release_bus(g);
// Turn on the backlight
set_backlight(g, GDISP_INITIAL_BACKLIGHT);
/* Initialise the GDISP structure */
g->g.Width = GDISP_SCREEN_WIDTH;
g->g.Height = GDISP_SCREEN_HEIGHT;
g->g.Orientation = GDISP_ROTATE_0;
g->g.Powermode = powerOn;
g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
g->g.Contrast = GDISP_INITIAL_CONTRAST;
return TRUE;
}