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add support for GDEH029A1 and controller OBD_CHIP_IL3820 #51

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44 changes: 44 additions & 0 deletions src/OneBitDisplay.h
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,7 @@ enum {
OBD_CHIP_SSD16xx, // EPD
OBD_CHIP_UC8151, // EPD
OBD_CHIP_SHARP, // all Sharp LCDs
OBD_CHIP_IL3820, // EPD
OBD_CHIP_COUNT
};

Expand Down Expand Up @@ -108,6 +109,7 @@ enum {
EPD29B_128x296,
EPD29R_128x296,
EPD29Y_128x296, // DEPG0290YN
EPD29G_128x296, // GDEH029A1
EPD293_128x296,
EPD42R_400x300,
EPD42R2_400x300, // GDEQ042Z21
Expand Down Expand Up @@ -265,6 +267,48 @@ enum reg2 {
SSD1608_NOP = 0xFF,
};

// EPD29G_128x296 (IL3820) commands very likely to SSD1608
enum reg3 {
IL3820_DRIVER_CONTROL = 0x01,
IL3820_GATE_VOLTAGE = 0x03,
IL3820_SOURCE_VOLTAGE = 0x04,
IL3820_DISPLAY_CONTROL = 0x07,
IL3820_NON_OVERLAP = 0x0B,
IL3820_BOOSTER_SOFT_START = 0x0C,
IL3820_GATE_SCAN_START = 0x0F,
IL3820_DEEP_SLEEP = 0x10,
IL3820_DATA_MODE = 0x11,
IL3820_SW_RESET = 0x12,
IL3820_TEMP_WRITE = 0x1A,
IL3820_TEMP_READ = 0x1B,
IL3820_TEMP_CONTROL = 0x1C,
IL3820_TEMP_LOAD = 0x1D,
IL3820_MASTER_ACTIVATE = 0x20,
IL3820_DISP_CTRL1 = 0x21,
IL3820_DISP_CTRL2 = 0x22,
IL3820_WRITE_RAM = 0x24,
//IL3820_WRITE_ALTRAM = 0x26, //--
IL3820_READ_RAM = 0x25,
IL3820_VCOM_SENSE = 0x28,
IL3820_VCOM_DURATION = 0x29,
IL3820_PGM_VCOM_OTP = 0x2A, //+
IL3820_WRITE_VCOM = 0x2C,
IL3820_READ_OTP = 0x2D,
IL3820_PGM_WS_OTP = 0x30, //++
IL3820_WRITE_LUT = 0x32,
IL3820_READ_LUT = 0x32, //++
IL3820_PGM_OTP_SEL = 0x36, //++
IL3820_OTP_SEL_CTRL = 0x37, //++
IL3820_WRITE_DUMMY = 0x3A,
IL3820_WRITE_GATELINE = 0x3B,
IL3820_WRITE_BORDER = 0x3C,
IL3820_SET_RAMXPOS = 0x44,
IL3820_SET_RAMYPOS = 0x45,
IL3820_SET_RAMXCOUNT = 0x4E,
IL3820_SET_RAMYCOUNT = 0x4F,
IL3820_NOP = 0xFF,
};

#define BUSY_WAIT 0xff

// Proportional font data taken from Adafruit_GFX library
Expand Down
94 changes: 94 additions & 0 deletions src/obd.inl
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Original file line number Diff line number Diff line change
Expand Up @@ -791,6 +791,51 @@ const uint8_t epd213b_init_sequence_full[] PROGMEM =
0x00 // end of table
}; /* epd213b_init_sequence_full[] */

// Controller IL3820/IL3829
#define GxGDEH029A1_X_PIXELS 128
#define GxGDEH029A1_Y_PIXELS 296
const uint8_t epd_IL3820_init_sequence_full[] PROGMEM =
{
0x04, IL3820_DRIVER_CONTROL, (GxGDEH029A1_Y_PIXELS - 1) % 256, (GxGDEH029A1_Y_PIXELS - 1) / 256, 0x00, // Pannel configuration, Gate selection
0x04, IL3820_BOOSTER_SOFT_START, 0xd7, 0xd6, 0x9d, // softstart // X decrease, Y decrease
0x02, IL3820_WRITE_VCOM, 0xa8, // VCOMVol// VCOM setting
0x02, IL3820_WRITE_DUMMY, 0x1a, // dummy line per gate
0x02, IL3820_WRITE_GATELINE, 0x08, // Gate time setting
0x02, IL3820_DATA_MODE, 0x03, //(em)
0x03, IL3820_SET_RAMXPOS, 0x00, (GxGDEH029A1_X_PIXELS - 1) / 8,
0x05, IL3820_SET_RAMYPOS, 0x00, 0x00, (GxGDEH029A1_Y_PIXELS -1) % 256, (GxGDEH029A1_Y_PIXELS -1) / 256, // X-source area,Y-gate area
0x02, IL3820_SET_RAMXCOUNT, 0x00, // set ram pointer
0x03, IL3820_SET_RAMYCOUNT, 0x00, 0x00,
0x1F, IL3820_WRITE_LUT, // command
0x50, 0xAA, 0x55, 0xAA, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //LUTDefault_full
0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //LUTDefault_full
0x02, IL3820_DISP_CTRL2, 0xC0 , // Begin poweron
0x01, IL3820_MASTER_ACTIVATE,
BUSY_WAIT, // End poweron
0x00
}; /* epd_IL3820_init_sequence_full[] */

const uint8_t epd_IL3820_init_sequence_fast[] PROGMEM =
{
0x04, IL3820_DRIVER_CONTROL, (GxGDEH029A1_Y_PIXELS - 1) % 256, (GxGDEH029A1_Y_PIXELS - 1) / 256, 0x00, // Pannel configuration, Gate selection
0x04, IL3820_BOOSTER_SOFT_START, 0xd7, 0xd6, 0x9d, // softstart // X decrease, Y decrease
0x02, IL3820_WRITE_VCOM, 0xa8, // VCOMVol// VCOM setting
0x02, IL3820_WRITE_DUMMY, 0x1a, // dummy line per gate
0x02, IL3820_WRITE_GATELINE, 0x08, // Gate time setting
0x02, IL3820_DATA_MODE, 0x03, //(em)
0x03, IL3820_SET_RAMXPOS, 0x00, (GxGDEH029A1_X_PIXELS - 1) / 8,
0x05, IL3820_SET_RAMYPOS, 0x00, 0x00, (GxGDEH029A1_Y_PIXELS -1) % 256, (GxGDEH029A1_Y_PIXELS -1) / 256, // X-source area,Y-gate area
0x02, IL3820_SET_RAMXCOUNT, 0x00, // set ram pointer
0x03, IL3820_SET_RAMYCOUNT, 0x00, 0x00,
0x1F, IL3820_WRITE_LUT, // command
0x10, 0x18, 0x18, 0x08, 0x18, 0x18, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //LUTDefault_part
0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x14, 0x44, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, //LUTDefault_part
0x02, IL3820_DISP_CTRL2, 0xC0 , // Begin poweron
0x01, IL3820_MASTER_ACTIVATE,
BUSY_WAIT, // End poweron
0x00
}; /* epd_IL3820_init_sequence_fast[] */

const uint8_t epd293_init_sequence_full[] PROGMEM =
{
// 0x01, SSD1608_SW_RESET,
Expand Down Expand Up @@ -1989,6 +2034,19 @@ void obdSPIInit(OBDISP *pOBD, int iType, int iDC, int iCS, int iReset, int iMOSI
pOBD->pInitFull = epd154_init_sequence_full;
return;
}
else if (iType == EPD29G_128x296)
{
pOBD->native_width = pOBD->width = 128;
pOBD->native_height = pOBD->height = 296;
pOBD->type = EPD29G_128x296; // the rest is the same
pOBD->pInitFull = epd_IL3820_init_sequence_full;
pOBD->pInitFast = epd_IL3820_init_sequence_fast;
pOBD->busy_idle = LOW;
pOBD->chip_type = OBD_CHIP_IL3820;
pOBD->iFlags |= OBD_HAS_FAST_UPDATE;
pOBD->can_flip = 0;
return; // nothing else to do yet
}
else if (iType == EPD29_128x296 || iType == EPD213B_104x212 || iType == EPD37_240x416)
{
pOBD->iFlags |= OBD_HAS_FAST_UPDATE;
Expand Down Expand Up @@ -2779,6 +2837,22 @@ void EPD154_Finish(OBDISP *pOBD, int bPartial)
EPDWaitBusy(pOBD, 0);
} /* EPD154_Finish() */

void EPD_IL3820_Finish(OBDISP *pOBD, int bPartial) {
if (bPartial) {
EPD_CMD2(pOBD, IL3820_DISP_CTRL2, 0x04);
} else {
EPD_CMD2(pOBD, IL3820_DISP_CTRL2, 0xc4);
}
obdWriteCommand(pOBD, IL3820_MASTER_ACTIVATE);
EPDWaitBusy(pOBD, 0);

/*Serial.println("EPD_IL3820_Finish - Power off");
EPD_CMD2(pOBD, IL3820_DISP_CTRL2, 0xc3);
obdWriteCommand(pOBD, IL3820_MASTER_ACTIVATE);
delay(80);
EPDWaitBusy(pOBD, 0);*/
} /* EPD_IL3820_Finish() */

void EPD75_Begin(OBDISP *pOBD, int x, int y, int w, int h, int bPartial)
{
uint8_t ucLine[16];
Expand All @@ -2801,6 +2875,7 @@ void EPD75_Begin(OBDISP *pOBD, int x, int y, int w, int h, int bPartial)
// RawWriteData(pOBD, ucLine, 9); // boundaries
}
}

void EPD29_Begin(OBDISP *pOBD, int x, int y, int w, int h, int bPartial)
{
uint8_t ucLine[8];
Expand Down Expand Up @@ -2943,6 +3018,13 @@ static int EPDDumpFast(OBDISP *pOBD, uint8_t *pBuffer, int x, int y, int w, int
EPD27_Begin(pOBD, 0, 0, pOBD->width, pOBD->height, true);
#ifndef WIMPY_MCU
EPDWriteImage(pOBD, UC8151_DTM2, NULL, 0, 0, pOBD->width, pOBD->height, 0);
#endif
obdWriteCommand(pOBD, UC8151_DRF);
}
if (pOBD->type == EPD29G_128x296) {
EPDSendCMDSequence(pOBD, pOBD->pInitFast);
#ifndef WIMPY_MCU
EPDWriteImage(pOBD, IL3820_WRITE_RAM, NULL, 0, 0, pOBD->width, pOBD->height, 0);
#endif
obdWriteCommand(pOBD, UC8151_DRF);
}
Expand Down Expand Up @@ -3807,6 +3889,18 @@ static int EPDDumpBuffer(OBDISP *pOBD, int bRefresh, int bWait)
EPD29_Finish(pOBD, false);
}
}

if (pOBD->type == EPD29G_128x296){
EPDSendCMDSequence(pOBD, pOBD->pInitFull);
#ifndef WIMPY_MCU
if (pOBD->ucScreen) {
EPDWriteImage(pOBD, IL3820_WRITE_RAM, NULL, 0, 0, pOBD->width, pOBD->height, 0);
}
#endif
if (bRefresh) {
EPD_IL3820_Finish(pOBD, false);
}
}
if (pOBD->type == EPD27_176x264) {
EPD27_Begin(pOBD, 0, 0, pOBD->width, pOBD->height, false);
obdWriteCommand(pOBD, UC8151_DTM1);
Expand Down