void GxGDEP015OC1::eraseDisplay(bool using_partial_update)
{
if (_current_page != -1) return;
if (using_partial_update)
{
_using_partial_mode = true; // remember
_Init_Part(0x01);
_writeCommand(0x24);
for (uint32_t i = 0; i < GxGDEP015OC1_BUFFER_SIZE; i++)
{
_writeData(0xFF);
}
_Update_Part();
delay(GxGDEP015OC1_PU_DELAY);
// update erase buffer
_writeCommand(0x24);
for (uint32_t i = 0; i < GxGDEP015OC1_BUFFER_SIZE; i++)
{
_writeData(0xFF);
}
delay(GxGDEP015OC1_PU_DELAY);
}
else
{
_using_partial_mode = false; // remember
_Init_Full(0x01);
_writeCommand(0x24);
for (uint32_t i = 0; i < GxGDEP015OC1_BUFFER_SIZE; i++)
{
_writeData(0xFF);
}
_Update_Full();
_PowerOff();
}
}
void GxEPD2_270::writeScreenBufferAgain(uint8_t value)
{
if (!_using_partial_mode) _Init_Part();
_setPartialRamArea(0x14, 0, 0, WIDTH, HEIGHT);
for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
{
_writeData(value);
}
}
void GxEPD2_270::writeScreenBuffer(uint8_t value)
{
_initial_write = false; // initial full screen buffer clean done
if (!_using_partial_mode) _Init_Part();
_writeCommand(0x13); // set current
for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
{
_writeData(value);
}
if (_initial_refresh) writeScreenBufferAgain(value); // init "old data"
}
void GxEPD2_270::_writeImagePart(uint8_t command, const uint8_t bitmap[], int16_t x_part, int16_t y_part, int16_t w_bitmap, int16_t h_bitmap,
int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
{
if (_initial_write) writeScreenBuffer(); // initial full screen buffer clean
delay(1); // yield() to avoid WDT on ESP8266 and ESP32
if ((w_bitmap < 0) || (h_bitmap < 0) || (w < 0) || (h < 0)) return;
if ((x_part < 0) || (x_part >= w_bitmap)) return;
if ((y_part < 0) || (y_part >= h_bitmap)) return;
int16_t wb_bitmap = (w_bitmap + 7) / 8; // width bytes, bitmaps are padded
x_part -= x_part % 8; // byte boundary
w = w_bitmap - x_part < w ? w_bitmap - x_part : w; // limit
h = h_bitmap - y_part < h ? h_bitmap - y_part : h; // limit
x -= x % 8; // byte boundary
w = 8 * ((w + 7) / 8); // byte boundary, bitmaps are padded
int16_t x1 = x < 0 ? 0 : x; // limit
int16_t y1 = y < 0 ? 0 : y; // limit
int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit
int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit
int16_t dx = x1 - x;
int16_t dy = y1 - y;
w1 -= dx;
h1 -= dy;
if ((w1 <= 0) || (h1 <= 0)) return;
if (!_using_partial_mode) _Init_Part();
_setPartialRamArea(command, x1, y1, w1, h1);
for (int16_t i = 0; i < h1; i++)
{
for (int16_t j = 0; j < w1 / 8; j++)
{
uint8_t data;
// use wb_bitmap, h_bitmap of bitmap for index!
int16_t idx = mirror_y ? x_part / 8 + j + dx / 8 + ((h_bitmap - 1 - (y_part + i + dy))) * wb_bitmap : x_part / 8 + j + dx / 8 + (y_part + i + dy) * wb_bitmap;
if (pgm)
{
#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
data = pgm_read_byte(&bitmap[idx]);
#else
data = bitmap[idx];
#endif
}
else
{
data = bitmap[idx];
}
if (invert) data = ~data;
_writeData(data);
}
}
delay(1); // yield() to avoid WDT on ESP8266 and ESP32
}
void GxEPD2_213c::refresh(int16_t x, int16_t y, int16_t w, int16_t h)
{
x -= x % 8; // byte boundary
w -= x % 8; // byte boundary
int16_t x1 = x < 0 ? 0 : x; // limit
int16_t y1 = y < 0 ? 0 : y; // limit
int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit
int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit
w1 -= x1 - x;
h1 -= y1 - y;
_Init_Part();
_setPartialRamArea(x1, y1, w1, h1);
_Update_Part();
}
void GxEPD2_213c::writeScreenBuffer(uint8_t black_value, uint8_t color_value)
{
_initial_write = false; // initial full screen buffer clean done
_Init_Part();
_writeCommand(0x91); // partial in
_setPartialRamArea(0, 0, WIDTH, HEIGHT);
_writeCommand(0x10);
for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
{
_writeData(black_value);
}
_writeCommand(0x13);
for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
{
_writeData(color_value);
}
_writeCommand(0x92); // partial out
}
void GxGDEP015OC1::drawPagedToWindow(void (*drawCallback)(const void*, const void*), uint16_t x, uint16_t y, uint16_t w, uint16_t h, const void* p1, const void* p2)
{
if (_current_page != -1) return;
_rotate(x, y, w, h);
if (!_using_partial_mode)
{
eraseDisplay(false);
eraseDisplay(true);
}
_using_partial_mode = true;
_Init_Part(0x03);
for (_current_page = 0; _current_page < GxGDEP015OC1_PAGES; _current_page++)
{
uint16_t yds = max(y, _current_page * GxGDEP015OC1_PAGE_HEIGHT);
uint16_t yde = min(y + h, (_current_page + 1) * GxGDEP015OC1_PAGE_HEIGHT);
if (yde > yds)
{
fillScreen(GxEPD_WHITE);
drawCallback(p1, p2);
uint16_t ys = yds % GxGDEP015OC1_PAGE_HEIGHT;
_writeToWindow(x, ys, x, yds, w, yde - yds);
}
}
_Update_Part();
delay(GxGDEP015OC1_PU_DELAY);
// update erase buffer
for (_current_page = 0; _current_page < GxGDEP015OC1_PAGES; _current_page++)
{
uint16_t yds = max(y, _current_page * GxGDEP015OC1_PAGE_HEIGHT);
uint16_t yde = min(y + h, (_current_page + 1) * GxGDEP015OC1_PAGE_HEIGHT);
if (yde > yds)
{
fillScreen(GxEPD_WHITE);
drawCallback(p1, p2);
uint16_t ys = yds % GxGDEP015OC1_PAGE_HEIGHT;
_writeToWindow(x, ys, x, yds, w, yde - yds);
}
}
delay(GxGDEP015OC1_PU_DELAY);
_current_page = -1;
_PowerOff();
}
void GxGDEP015OC1::updateWindow(uint16_t x, uint16_t y, uint16_t w, uint16_t h, bool using_rotation)
{
if (_current_page != -1) return;
if (using_rotation) _rotate(x, y, w, h);
if (x >= GxGDEP015OC1_WIDTH) return;
if (y >= GxGDEP015OC1_HEIGHT) return;
uint16_t xe = min(GxGDEP015OC1_WIDTH, x + w) - 1;
uint16_t ye = min(GxGDEP015OC1_HEIGHT, y + h) - 1;
uint16_t xs_d8 = x / 8;
uint16_t xe_d8 = xe / 8;
_Init_Part(0x03);
_SetRamArea(xs_d8, xe_d8, y % 256, y / 256, ye % 256, ye / 256); // X-source area,Y-gate area
_SetRamPointer(xs_d8, y % 256, y / 256); // set ram
_waitWhileBusy();
_writeCommand(0x24);
for (int16_t y1 = y; y1 <= ye; y1++)
{
for (int16_t x1 = xs_d8; x1 <= xe_d8; x1++)
{
uint16_t idx = y1 * (GxGDEP015OC1_WIDTH / 8) + x1;
uint8_t data = (idx < sizeof(_buffer)) ? _buffer[idx] : 0x00;
_writeData(~data);
}
}
_Update_Part();
delay(GxGDEP015OC1_PU_DELAY);
// update erase buffer
_SetRamArea(xs_d8, xe_d8, y % 256, y / 256, ye % 256, ye / 256); // X-source area,Y-gate area
_SetRamPointer(xs_d8, y % 256, y / 256); // set ram
_waitWhileBusy();
_writeCommand(0x24);
for (int16_t y1 = y; y1 <= ye; y1++)
{
for (int16_t x1 = xs_d8; x1 <= xe_d8; x1++)
{
uint16_t idx = y1 * (GxGDEP015OC1_WIDTH / 8) + x1;
uint8_t data = (idx < sizeof(_buffer)) ? _buffer[idx] : 0x00;
_writeData(~data);
}
}
delay(GxGDEP015OC1_PU_DELAY);
}
void GxGDEP015OC1::updateToWindow(uint16_t xs, uint16_t ys, uint16_t xd, uint16_t yd, uint16_t w, uint16_t h, bool using_rotation)
{
if (using_rotation)
{
switch (getRotation())
{
case 1:
swap(xs, ys);
swap(xd, yd);
swap(w, h);
xs = GxGDEP015OC1_WIDTH - xs - w - 1;
xd = GxGDEP015OC1_WIDTH - xd - w - 1;
break;
case 2:
xs = GxGDEP015OC1_WIDTH - xs - w - 1;
ys = GxGDEP015OC1_HEIGHT - ys - h - 1;
xd = GxGDEP015OC1_WIDTH - xd - w - 1;
yd = GxGDEP015OC1_HEIGHT - yd - h - 1;
break;
case 3:
swap(xs, ys);
swap(xd, yd);
swap(w, h);
ys = GxGDEP015OC1_HEIGHT - ys - h - 1;
yd = GxGDEP015OC1_HEIGHT - yd - h - 1;
break;
}
}
_Init_Part(0x03);
_writeToWindow(xs, ys, xd, yd, w, h);
_Update_Part();
delay(GxGDEP015OC1_PU_DELAY);
// update erase buffer
_writeToWindow(xs, ys, xd, yd, w, h);
delay(GxGDEP015OC1_PU_DELAY);
}
void GxEPD2_213c::writeImage(const uint8_t* black, const uint8_t* color, int16_t x, int16_t y, int16_t w, int16_t h, bool invert, bool mirror_y, bool pgm)
{
if (_initial_write) writeScreenBuffer(); // initial full screen buffer clean
delay(1); // yield() to avoid WDT on ESP8266 and ESP32
int16_t wb = (w + 7) / 8; // width bytes, bitmaps are padded
x -= x % 8; // byte boundary
w = wb * 8; // byte boundary
int16_t x1 = x < 0 ? 0 : x; // limit
int16_t y1 = y < 0 ? 0 : y; // limit
int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit
int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit
int16_t dx = x1 - x;
int16_t dy = y1 - y;
w1 -= dx;
h1 -= dy;
if ((w1 <= 0) || (h1 <= 0)) return;
_Init_Part();
_writeCommand(0x91); // partial in
_setPartialRamArea(x1, y1, w1, h1);
_writeCommand(0x10);
for (int16_t i = 0; i < h1; i++)
{
for (int16_t j = 0; j < w1 / 8; j++)
{
uint8_t data = 0xFF;
if (black)
{
// use wb, h of bitmap for index!
int16_t idx = mirror_y ? j + dx / 8 + ((h - 1 - (i + dy))) * wb : j + dx / 8 + (i + dy) * wb;
if (pgm)
{
#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
data = pgm_read_byte(&black[idx]);
#else
data = black[idx];
#endif
}
else
{
data = black[idx];
}
if (invert) data = ~data;
}
_writeData(data);
}
}
_writeCommand(0x13);
for (int16_t i = 0; i < h1; i++)
{
for (int16_t j = 0; j < w1 / 8; j++)
{
uint8_t data = 0xFF;
if (color)
{
// use wb, h of bitmap for index!
int16_t idx = mirror_y ? j + dx / 8 + ((h - 1 - (i + dy))) * wb : j + dx / 8 + (i + dy) * wb;
if (pgm)
{
#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
data = pgm_read_byte(&color[idx]);
#else
data = color[idx];
#endif
}
else
{
data = color[idx];
}
if (invert) data = ~data;
}
_writeData(data);
}
}
_writeCommand(0x92); // partial out
delay(1); // yield() to avoid WDT on ESP8266 and ESP32
}
void GxGDEP015OC1::drawBitmap(const uint8_t *bitmap, uint32_t size, int16_t mode)
{
if (_current_page != -1) return;
// example bitmaps are made for y-decrement, x-increment, for origin on opposite corner
// bm_flip_x for normal display (bm_flip_y would be rotated)
if (mode & bm_default) mode |= bm_flip_x;
uint8_t ram_entry_mode = 0x03; // y-increment, x-increment for normal mode
if ((mode & bm_flip_y) && (mode & bm_flip_x)) ram_entry_mode = 0x00; // y-decrement, x-decrement
else if (mode & bm_flip_y) ram_entry_mode = 0x01; // y-decrement, x-increment
else if (mode & bm_flip_x) ram_entry_mode = 0x02; // y-increment, x-decrement
if (mode & bm_partial_update)
{
_using_partial_mode = true; // remember
_Init_Part(ram_entry_mode);
_writeCommand(0x24);
for (uint32_t i = 0; i < GxGDEP015OC1_BUFFER_SIZE; i++)
{
uint8_t data = 0xFF; // white is 0xFF on device
if (i < size)
{
#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
data = pgm_read_byte(&bitmap[i]);
#else
data = bitmap[i];
#endif
if (mode & bm_invert) data = ~data;
}
_writeData(data);
}
_Update_Part();
delay(GxGDEP015OC1_PU_DELAY);
// update erase buffer
_writeCommand(0x24);
for (uint32_t i = 0; i < GxGDEP015OC1_BUFFER_SIZE; i++)
{
uint8_t data = 0xFF; // white is 0xFF on device
if (i < size)
{
#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
data = pgm_read_byte(&bitmap[i]);
#else
data = bitmap[i];
#endif
if (mode & bm_invert) data = ~data;
}
_writeData(data);
}
delay(GxGDEP015OC1_PU_DELAY);
_PowerOff();
}
else
{
_using_partial_mode = false; // remember
_Init_Full(ram_entry_mode);
_writeCommand(0x24);
for (uint32_t i = 0; i < GxGDEP015OC1_BUFFER_SIZE; i++)
{
uint8_t data = 0xFF; // white is 0xFF on device
if (i < size)
{
#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
data = pgm_read_byte(&bitmap[i]);
#else
data = bitmap[i];
#endif
if (mode & bm_invert) data = ~data;
}
_writeData(data);
}
_Update_Full();
_PowerOff();
}
}
