Paperd.Ink Library 0.0.5
Library for interacting with Paperd.Ink devices.
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GxEPD2_750c Class Reference

#include <GxEPD2_750c.h>

Inheritance diagram for GxEPD2_750c:
GxEPD2_EPD

Public Member Functions

 GxEPD2_750c (int16_t cs, int16_t dc, int16_t rst, int16_t busy)
 
void clearScreen (uint8_t value=0x33)
 
void clearScreen (uint8_t black_value, uint8_t red_value)
 
void writeScreenBuffer (uint8_t value=0x33)
 
void writeScreenBuffer (uint8_t black_value, uint8_t red_value)
 
void writeImage (const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert=false, bool mirror_y=false, bool pgm=false)
 
void writeImagePart (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=false, bool mirror_y=false, bool pgm=false)
 
void writeImage (const uint8_t *black, const uint8_t *color, int16_t x, int16_t y, int16_t w, int16_t h, bool invert=false, bool mirror_y=false, bool pgm=false)
 
void writeImagePart (const uint8_t *black, const uint8_t *color, 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=false, bool mirror_y=false, bool pgm=false)
 
void writeNative (const uint8_t *data1, const uint8_t *data2, int16_t x, int16_t y, int16_t w, int16_t h, bool invert=false, bool mirror_y=false, bool pgm=false)
 
void drawImage (const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert=false, bool mirror_y=false, bool pgm=false)
 
void drawImagePart (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=false, bool mirror_y=false, bool pgm=false)
 
void drawImage (const uint8_t *black, const uint8_t *color, int16_t x, int16_t y, int16_t w, int16_t h, bool invert=false, bool mirror_y=false, bool pgm=false)
 
void drawImagePart (const uint8_t *black, const uint8_t *color, 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=false, bool mirror_y=false, bool pgm=false)
 
void drawNative (const uint8_t *data1, const uint8_t *data2, int16_t x, int16_t y, int16_t w, int16_t h, bool invert=false, bool mirror_y=false, bool pgm=false)
 
void refresh (bool partial_update_mode=false)
 
void refresh (int16_t x, int16_t y, int16_t w, int16_t h)
 
void powerOff ()
 
void hibernate ()
 
- Public Member Functions inherited from GxEPD2_EPD
 GxEPD2_EPD (int16_t cs, int16_t dc, int16_t rst, int16_t busy, int16_t busy_level, uint32_t busy_timeout, uint16_t w, uint16_t h, GxEPD2::Panel p, bool c, bool pu, bool fpu)
 
virtual void init (uint32_t serial_diag_bitrate=0)
 
virtual void init (uint32_t serial_diag_bitrate, bool initial, uint16_t reset_duration=10, bool pulldown_rst_mode=false)
 
virtual void writeImageForFullRefresh (const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert=false, bool mirror_y=false, bool pgm=false)
 
virtual void writeScreenBufferAgain (uint8_t value=0xFF)
 
virtual void writeImageAgain (const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert=false, bool mirror_y=false, bool pgm=false)
 
virtual void writeImagePartAgain (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=false, bool mirror_y=false, bool pgm=false)
 
virtual void setPaged ()
 
void setBusyCallback (void(*busyCallback)(const void *), const void *busy_callback_parameter=0)
 
void selectSPI (SPIClass &spi, SPISettings spi_settings)
 

Static Public Attributes

static const uint16_t WIDTH = 640
 
static const uint16_t WIDTH_VISIBLE = WIDTH
 
static const uint16_t HEIGHT = 384
 
static const GxEPD2::Panel panel = GxEPD2::GDEW075Z09
 
static const bool hasColor = true
 
static const bool hasPartialUpdate = true
 
static const bool hasFastPartialUpdate = false
 
static const uint16_t power_on_time = 50
 
static const uint16_t power_off_time = 50
 
static const uint16_t full_refresh_time = 32000
 
static const uint16_t partial_refresh_time = 32000
 

Additional Inherited Members

- Static Public Member Functions inherited from GxEPD2_EPD
static uint16_t gx_uint16_min (uint16_t a, uint16_t b)
 
static uint16_t gx_uint16_max (uint16_t a, uint16_t b)
 
- Public Attributes inherited from GxEPD2_EPD
const uint16_t WIDTH
 
const uint16_t HEIGHT
 
const GxEPD2::Panel panel
 
const bool hasColor
 
const bool hasPartialUpdate
 
const bool hasFastPartialUpdate
 
- Protected Member Functions inherited from GxEPD2_EPD
void _reset ()
 
void _waitWhileBusy (const char *comment=0, uint16_t busy_time=5000)
 
void _writeCommand (uint8_t c)
 
void _writeData (uint8_t d)
 
void _writeData (const uint8_t *data, uint16_t n)
 
void _writeDataPGM (const uint8_t *data, uint16_t n, int16_t fill_with_zeroes=0)
 
void _writeDataPGM_sCS (const uint8_t *data, uint16_t n, int16_t fill_with_zeroes=0)
 
void _writeCommandData (const uint8_t *pCommandData, uint8_t datalen)
 
void _writeCommandDataPGM (const uint8_t *pCommandData, uint8_t datalen)
 
void _startTransfer ()
 
void _transfer (uint8_t value)
 
void _endTransfer ()
 
- Protected Attributes inherited from GxEPD2_EPD
int16_t _cs
 
int16_t _dc
 
int16_t _rst
 
int16_t _busy
 
int16_t _busy_level
 
uint32_t _busy_timeout
 
bool _diag_enabled
 
bool _pulldown_rst_mode
 
SPIClass * _pSPIx
 
SPISettings _spi_settings
 
bool _initial_write
 
bool _initial_refresh
 
bool _power_is_on
 
bool _using_partial_mode
 
bool _hibernating
 
uint16_t _reset_duration
 
void(* _busy_callback )(const void *)
 
const void * _busy_callback_parameter
 

Detailed Description

Definition at line 18 of file GxEPD2_750c.h.

Constructor & Destructor Documentation

◆ GxEPD2_750c()

GxEPD2_750c::GxEPD2_750c ( int16_t cs,
int16_t dc,
int16_t rst,
int16_t busy )

Definition at line 15 of file GxEPD2_750c.cpp.

15 :
16 GxEPD2_EPD(cs, dc, rst, busy, LOW, 40000000, WIDTH, HEIGHT, panel, hasColor, hasPartialUpdate, hasFastPartialUpdate)
17{
18}
static const GxEPD2::Panel panel
Definition GxEPD2_750c.h:25
static const bool hasFastPartialUpdate
Definition GxEPD2_750c.h:28
static const uint16_t HEIGHT
Definition GxEPD2_750c.h:24
static const bool hasPartialUpdate
Definition GxEPD2_750c.h:27
static const uint16_t WIDTH
Definition GxEPD2_750c.h:22
static const bool hasColor
Definition GxEPD2_750c.h:26
GxEPD2_EPD(int16_t cs, int16_t dc, int16_t rst, int16_t busy, int16_t busy_level, uint32_t busy_timeout, uint16_t w, uint16_t h, GxEPD2::Panel p, bool c, bool pu, bool fpu)

Member Function Documentation

◆ clearScreen() [1/2]

void GxEPD2_750c::clearScreen ( uint8_t black_value,
uint8_t red_value )

Definition at line 38 of file GxEPD2_750c.cpp.

39{
40 _initial_write = false; // initial full screen buffer clean done
41 _Init_Part();
42 _writeCommand(0x91); // partial in
43 _setPartialRamArea(0, 0, WIDTH, HEIGHT);
44 _writeCommand(0x10);
46 for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
47 {
48 _send8pixel(~black_value, ~color_value);
49 }
51 _Update_Part();
52 _writeCommand(0x92); // partial out
53}
void _endTransfer()
void _writeCommand(uint8_t c)
void _startTransfer()
bool _initial_write
Definition GxEPD2_EPD.h:117

◆ clearScreen() [2/2]

void GxEPD2_750c::clearScreen ( uint8_t value = 0x33)
virtual

Implements GxEPD2_EPD.

Definition at line 20 of file GxEPD2_750c.cpp.

21{
22 _initial_write = false; // initial full screen buffer clean done
23 if (value == 0xFF) value = 0x33; // white value for this controller
24 _Init_Part();
25 _writeCommand(0x91); // partial in
26 _setPartialRamArea(0, 0, WIDTH, HEIGHT);
27 _writeCommand(0x10);
29 for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 2; i++)
30 {
31 _transfer(value);
32 }
34 _Update_Part();
35 _writeCommand(0x92); // partial out
36}
void _transfer(uint8_t value)

◆ drawImage() [1/2]

void GxEPD2_750c::drawImage ( const uint8_t * black,
const uint8_t * color,
int16_t x,
int16_t y,
int16_t w,
int16_t h,
bool invert = false,
bool mirror_y = false,
bool pgm = false )

Definition at line 314 of file GxEPD2_750c.cpp.

315{
316 writeImage(black, color, x, y, w, h, invert, mirror_y, pgm);
317 refresh(x, y, w, h);
318}
void writeImage(const uint8_t bitmap[], int16_t x, int16_t y, int16_t w, int16_t h, bool invert=false, bool mirror_y=false, bool pgm=false)
void refresh(bool partial_update_mode=false)

◆ drawImage() [2/2]

void GxEPD2_750c::drawImage ( const uint8_t bitmap[],
int16_t x,
int16_t y,
int16_t w,
int16_t h,
bool invert = false,
bool mirror_y = false,
bool pgm = false )

Definition at line 301 of file GxEPD2_750c.cpp.

302{
303 writeImage(bitmap, x, y, w, h, invert, mirror_y, pgm);
304 refresh(x, y, w, h);
305}

◆ drawImagePart() [1/2]

void GxEPD2_750c::drawImagePart ( const uint8_t * black,
const uint8_t * color,
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 = false,
bool mirror_y = false,
bool pgm = false )

Definition at line 320 of file GxEPD2_750c.cpp.

322{
323 writeImagePart(black, color, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
324 refresh(x, y, w, h);
325}
void writeImagePart(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=false, bool mirror_y=false, bool pgm=false)

◆ drawImagePart() [2/2]

void GxEPD2_750c::drawImagePart ( 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 = false,
bool mirror_y = false,
bool pgm = false )

Definition at line 307 of file GxEPD2_750c.cpp.

309{
310 writeImagePart(bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
311 refresh(x, y, w, h);
312}

◆ drawNative()

void GxEPD2_750c::drawNative ( const uint8_t * data1,
const uint8_t * data2,
int16_t x,
int16_t y,
int16_t w,
int16_t h,
bool invert = false,
bool mirror_y = false,
bool pgm = false )

Definition at line 327 of file GxEPD2_750c.cpp.

328{
329 writeNative(data1, data2, x, y, w, h, invert, mirror_y, pgm);
330 refresh(x, y, w, h);
331}
void writeNative(const uint8_t *data1, const uint8_t *data2, int16_t x, int16_t y, int16_t w, int16_t h, bool invert=false, bool mirror_y=false, bool pgm=false)

◆ hibernate()

void GxEPD2_750c::hibernate ( )
virtual

Implements GxEPD2_EPD.

Definition at line 363 of file GxEPD2_750c.cpp.

364{
365 _PowerOff();
366 if (_rst >= 0)
367 {
368 // check if it supports this command!
369 _writeCommand(0x07); // deep sleep
370 _writeData(0xA5); // check code
371 _hibernating = true;
372 }
373}
void _writeData(uint8_t d)
int16_t _rst
Definition GxEPD2_EPD.h:112
bool _hibernating
Definition GxEPD2_EPD.h:118

◆ powerOff()

void GxEPD2_750c::powerOff ( void )
virtual

Implements GxEPD2_EPD.

Definition at line 358 of file GxEPD2_750c.cpp.

359{
360 _PowerOff();
361}

◆ refresh() [1/2]

void GxEPD2_750c::refresh ( bool partial_update_mode = false)
virtual

Implements GxEPD2_EPD.

Definition at line 333 of file GxEPD2_750c.cpp.

334{
335 if (partial_update_mode) refresh(0, 0, WIDTH, HEIGHT);
336 else _Update_Full();
337}

◆ refresh() [2/2]

void GxEPD2_750c::refresh ( int16_t x,
int16_t y,
int16_t w,
int16_t h )
virtual

Implements GxEPD2_EPD.

Definition at line 339 of file GxEPD2_750c.cpp.

340{
341 // intersection with screen
342 int16_t w1 = x < 0 ? w + x : w; // reduce
343 int16_t h1 = y < 0 ? h + y : h; // reduce
344 int16_t x1 = x < 0 ? 0 : x; // limit
345 int16_t y1 = y < 0 ? 0 : y; // limit
346 w1 = x1 + w1 < int16_t(WIDTH) ? w1 : int16_t(WIDTH) - x1; // limit
347 h1 = y1 + h1 < int16_t(HEIGHT) ? h1 : int16_t(HEIGHT) - y1; // limit
348 if ((w1 <= 0) || (h1 <= 0)) return;
349 // make x1, w1 multiple of 8
350 w1 += x1 % 8;
351 if (w1 % 8 > 0) w1 += 8 - w1 % 8;
352 x1 -= x1 % 8;
353 _Init_Part();
354 _setPartialRamArea(x1, y1, w1, h1);
355 _Update_Part();
356}

◆ writeImage() [1/2]

void GxEPD2_750c::writeImage ( const uint8_t * black,
const uint8_t * color,
int16_t x,
int16_t y,
int16_t w,
int16_t h,
bool invert = false,
bool mirror_y = false,
bool pgm = false )

Definition at line 93 of file GxEPD2_750c.cpp.

94{
95 if (_initial_write) writeScreenBuffer(); // initial full screen buffer clean
96 delay(1); // yield() to avoid WDT on ESP8266 and ESP32
97 uint16_t wb = (w + 7) / 8; // width bytes, bitmaps are padded
98 x -= x % 8; // byte boundary
99 w = wb * 8; // byte boundary
100 int16_t x1 = x < 0 ? 0 : x; // limit
101 int16_t y1 = y < 0 ? 0 : y; // limit
102 int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit
103 int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit
104 int16_t dx = x1 - x;
105 int16_t dy = y1 - y;
106 w1 -= dx;
107 h1 -= dy;
108 if ((w1 <= 0) || (h1 <= 0)) return;
109 _Init_Part();
110 _writeCommand(0x91); // partial in
111 _setPartialRamArea(x1, y1, w1, h1);
112 _writeCommand(0x10);
114 for (int16_t i = 0; i < h1; i++)
115 {
116 for (int16_t j = 0; j < w1 / 8; j++)
117 {
118 uint8_t black_data = 0xFF;
119 uint8_t color_data = 0xFF;
120 if (black)
121 {
122 // use wb, h of bitmap for index!
123 uint16_t idx = mirror_y ? j + dx / 8 + uint16_t((h - 1 - (i + dy))) * wb : j + dx / 8 + uint16_t(i + dy) * wb;
124 if (pgm)
125 {
126#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
127 black_data = pgm_read_byte(&black[idx]);
128#else
129 black_data = black[idx];
130#endif
131 }
132 else
133 {
134 black_data = black[idx];
135 }
136 if (invert) black_data = ~black_data;
137 }
138 if (color)
139 {
140 // use wb, h of bitmap for index!
141 uint16_t idx = mirror_y ? j + dx / 8 + uint16_t((h - 1 - (i + dy))) * wb : j + dx / 8 + uint16_t(i + dy) * wb;
142 if (pgm)
143 {
144#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
145 color_data = pgm_read_byte(&color[idx]);
146#else
147 color_data = color[idx];
148#endif
149 }
150 else
151 {
152 color_data = color[idx];
153 }
154 if (invert) color_data = ~color_data;
155 }
156 _send8pixel(~black_data, ~color_data);
157 }
158 }
159 _endTransfer();
160 _writeCommand(0x92); // partial out
161 delay(1); // yield() to avoid WDT on ESP8266 and ESP32
162}
void writeScreenBuffer(uint8_t value=0x33)

◆ writeImage() [2/2]

void GxEPD2_750c::writeImage ( const uint8_t bitmap[],
int16_t x,
int16_t y,
int16_t w,
int16_t h,
bool invert = false,
bool mirror_y = false,
bool pgm = false )
virtual

Implements GxEPD2_EPD.

Definition at line 88 of file GxEPD2_750c.cpp.

89{
90 writeImage(bitmap, NULL, x, y, w, h, invert, mirror_y, pgm);
91}

◆ writeImagePart() [1/2]

void GxEPD2_750c::writeImagePart ( const uint8_t * black,
const uint8_t * color,
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 = false,
bool mirror_y = false,
bool pgm = false )

Definition at line 170 of file GxEPD2_750c.cpp.

172{
173 if (_initial_write) writeScreenBuffer(); // initial full screen buffer clean
174 delay(1); // yield() to avoid WDT on ESP8266 and ESP32
175 if ((w_bitmap < 0) || (h_bitmap < 0) || (w < 0) || (h < 0)) return;
176 if ((x_part < 0) || (x_part >= w_bitmap)) return;
177 if ((y_part < 0) || (y_part >= h_bitmap)) return;
178 uint16_t wb_bitmap = (w_bitmap + 7) / 8; // width bytes, bitmaps are padded
179 x_part -= x_part % 8; // byte boundary
180 w = w_bitmap - x_part < w ? w_bitmap - x_part : w; // limit
181 h = h_bitmap - y_part < h ? h_bitmap - y_part : h; // limit
182 x -= x % 8; // byte boundary
183 w = 8 * ((w + 7) / 8); // byte boundary, bitmaps are padded
184 int16_t x1 = x < 0 ? 0 : x; // limit
185 int16_t y1 = y < 0 ? 0 : y; // limit
186 int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit
187 int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit
188 int16_t dx = x1 - x;
189 int16_t dy = y1 - y;
190 w1 -= dx;
191 h1 -= dy;
192 if ((w1 <= 0) || (h1 <= 0)) return;
193 if (!_using_partial_mode) _Init_Part();
194 _writeCommand(0x91); // partial in
195 _setPartialRamArea(x1, y1, w1, h1);
196 _writeCommand(0x10);
198 for (int16_t i = 0; i < h1; i++)
199 {
200 for (int16_t j = 0; j < w1 / 8; j++)
201 {
202 uint8_t black_data = 0xFF;
203 uint8_t color_data = 0xFF;
204 // use wb_bitmap, h_bitmap of bitmap for index!
205 uint16_t idx = mirror_y ? x_part / 8 + j + dx / 8 + uint16_t((h_bitmap - 1 - (y_part + i + dy))) * wb_bitmap : x_part / 8 + j + dx / 8 + uint16_t(y_part + i + dy) * wb_bitmap;
206 if (black)
207 {
208 if (pgm)
209 {
210#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
211 black_data = pgm_read_byte(&black[idx]);
212#else
213 black_data = black[idx];
214#endif
215 }
216 else
217 {
218 black_data = black[idx];
219 }
220 if (invert) black_data = ~black_data;
221 }
222 if (color)
223 {
224 if (pgm)
225 {
226#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
227 color_data = pgm_read_byte(&color[idx]);
228#else
229 color_data = color[idx];
230#endif
231 }
232 else
233 {
234 color_data = color[idx];
235 }
236 if (invert) color_data = ~color_data;
237 }
238 _send8pixel(~black_data, ~color_data);
239 }
240#if defined(ESP8266)
241 yield();
242#endif
243 }
244 _endTransfer();
245 _writeCommand(0x92); // partial out
246 delay(1); // yield() to avoid WDT on ESP8266 and ESP32
247}
bool _using_partial_mode
Definition GxEPD2_EPD.h:118

◆ writeImagePart() [2/2]

void GxEPD2_750c::writeImagePart ( 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 = false,
bool mirror_y = false,
bool pgm = false )
virtual

Implements GxEPD2_EPD.

Definition at line 164 of file GxEPD2_750c.cpp.

166{
167 writeImagePart(bitmap, NULL, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
168}

◆ writeNative()

void GxEPD2_750c::writeNative ( const uint8_t * data1,
const uint8_t * data2,
int16_t x,
int16_t y,
int16_t w,
int16_t h,
bool invert = false,
bool mirror_y = false,
bool pgm = false )

Definition at line 249 of file GxEPD2_750c.cpp.

250{
251 if (data1)
252 {
253 if (_initial_write) writeScreenBuffer(); // initial full screen buffer clean
254 delay(1); // yield() to avoid WDT on ESP8266 and ESP32
255 uint16_t wb = (w + 1) / 2; // width bytes, bitmaps are padded
256 x -= x % 2; // byte boundary
257 w = wb * 2; // byte boundary
258 int16_t x1 = x < 0 ? 0 : x; // limit
259 int16_t y1 = y < 0 ? 0 : y; // limit
260 int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit
261 int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit
262 int16_t dx = x1 - x;
263 int16_t dy = y1 - y;
264 w1 -= dx;
265 h1 -= dy;
266 if ((w1 <= 0) || (h1 <= 0)) return;
267 _Init_Part();
268 _writeCommand(0x91); // partial in
269 _setPartialRamArea(x1, y1, w1, h1);
270 _writeCommand(0x10);
272 for (int16_t i = 0; i < h1; i++)
273 {
274 for (int16_t j = 0; j < w1 / 2; j++)
275 {
276 uint8_t data;
277 // use wb, h of bitmap for index!
278 uint16_t idx = mirror_y ? j + dx / 2 + uint16_t((h - 1 - (i + dy))) * wb : j + dx / 2 + uint16_t(i + dy) * wb;
279 if (pgm)
280 {
281#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
282 data = pgm_read_byte(&data1[idx]);
283#else
284 data = data1[idx];
285#endif
286 }
287 else
288 {
289 data = data1[idx];
290 }
291 if (invert) data = ~data;
292 _transfer(data);
293 }
294 }
295 _endTransfer();
296 _writeCommand(0x92); // partial out
297 delay(1); // yield() to avoid WDT on ESP8266 and ESP32
298 }
299}

◆ writeScreenBuffer() [1/2]

void GxEPD2_750c::writeScreenBuffer ( uint8_t black_value,
uint8_t red_value )

Definition at line 72 of file GxEPD2_750c.cpp.

73{
74 _initial_write = false; // initial full screen buffer clean done
75 _Init_Part();
76 _writeCommand(0x91); // partial in
77 _setPartialRamArea(0, 0, WIDTH, HEIGHT);
78 _writeCommand(0x10);
80 for (uint32_t i = 0; uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
81 {
82 _send8pixel(~black_value, ~color_value);
83 }
85 _writeCommand(0x92); // partial out
86}

◆ writeScreenBuffer() [2/2]

void GxEPD2_750c::writeScreenBuffer ( uint8_t value = 0x33)
virtual

Implements GxEPD2_EPD.

Definition at line 55 of file GxEPD2_750c.cpp.

56{
57 _initial_write = false; // initial full screen buffer clean done
58 if (value == 0xFF) value = 0x33; // white value for this controller
59 _Init_Part();
60 _writeCommand(0x91); // partial in
61 _setPartialRamArea(0, 0, WIDTH, HEIGHT);
62 _writeCommand(0x10);
64 for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 2; i++)
65 {
66 _transfer(value);
67 }
69 _writeCommand(0x92); // partial out
70}

Member Data Documentation

◆ full_refresh_time

const uint16_t GxEPD2_750c::full_refresh_time = 32000
static

Definition at line 31 of file GxEPD2_750c.h.

◆ hasColor

const bool GxEPD2_750c::hasColor = true
static

Definition at line 26 of file GxEPD2_750c.h.

◆ hasFastPartialUpdate

const bool GxEPD2_750c::hasFastPartialUpdate = false
static

Definition at line 28 of file GxEPD2_750c.h.

◆ hasPartialUpdate

const bool GxEPD2_750c::hasPartialUpdate = true
static

Definition at line 27 of file GxEPD2_750c.h.

◆ HEIGHT

const uint16_t GxEPD2_750c::HEIGHT = 384
static

Definition at line 24 of file GxEPD2_750c.h.

◆ panel

const GxEPD2::Panel GxEPD2_750c::panel = GxEPD2::GDEW075Z09
static

Definition at line 25 of file GxEPD2_750c.h.

◆ partial_refresh_time

const uint16_t GxEPD2_750c::partial_refresh_time = 32000
static

Definition at line 32 of file GxEPD2_750c.h.

◆ power_off_time

const uint16_t GxEPD2_750c::power_off_time = 50
static

Definition at line 30 of file GxEPD2_750c.h.

◆ power_on_time

const uint16_t GxEPD2_750c::power_on_time = 50
static

Definition at line 29 of file GxEPD2_750c.h.

◆ WIDTH

const uint16_t GxEPD2_750c::WIDTH = 640
static

Definition at line 22 of file GxEPD2_750c.h.

◆ WIDTH_VISIBLE

const uint16_t GxEPD2_750c::WIDTH_VISIBLE = WIDTH
static

Definition at line 23 of file GxEPD2_750c.h.


The documentation for this class was generated from the following files: