Paperd.Ink Library 0.0.5
Library for interacting with Paperd.Ink devices.
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GxEPD2_420c_Z21 Class Reference

#include <GxEPD2_420c_Z21.h>

Inheritance diagram for GxEPD2_420c_Z21:
GxEPD2_EPD

Public Member Functions

 GxEPD2_420c_Z21 (int16_t cs, int16_t dc, int16_t rst, int16_t busy)
 
void clearScreen (uint8_t value=0xFF)
 
void clearScreen (uint8_t black_value, uint8_t color_value)
 
void writeScreenBuffer (uint8_t value=0xFF)
 
void writeScreenBuffer (uint8_t black_value, uint8_t color_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 = 400
 
static const uint16_t WIDTH_VISIBLE = WIDTH
 
static const uint16_t HEIGHT = 300
 
static const GxEPD2::Panel panel = GxEPD2::GDEQ042Z21
 
static const bool hasColor = true
 
static const bool hasPartialUpdate = true
 
static const bool usePartialUpdateWindow = 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 = 16000
 
static const uint16_t partial_refresh_time = 16000
 

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 19 of file GxEPD2_420c_Z21.h.

Constructor & Destructor Documentation

◆ GxEPD2_420c_Z21()

GxEPD2_420c_Z21::GxEPD2_420c_Z21 ( int16_t cs,
int16_t dc,
int16_t rst,
int16_t busy )

Definition at line 16 of file GxEPD2_420c_Z21.cpp.

16 :
17 GxEPD2_EPD(cs, dc, rst, busy, LOW, 20000000, WIDTH, HEIGHT, panel, hasColor, hasPartialUpdate, hasFastPartialUpdate)
18{
19}
static const bool hasPartialUpdate
static const uint16_t WIDTH
static const GxEPD2::Panel panel
static const bool hasFastPartialUpdate
static const bool hasColor
static const uint16_t HEIGHT
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_420c_Z21::clearScreen ( uint8_t black_value,
uint8_t color_value )

Definition at line 26 of file GxEPD2_420c_Z21.cpp.

27{
28 _initial_write = false; // initial full screen buffer clean done
29 _Init_Part();
30 _writeCommand(0x91); // partial in
31 _setPartialRamArea(0, 0, WIDTH, HEIGHT);
32 _writeCommand(0x10);
34 for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
35 {
36 _transfer(black_value);
37 }
39 _writeCommand(0x13);
41 for (uint32_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
42 {
43 _transfer(color_value);
44 }
46 _Update_Part();
47 _writeCommand(0x92); // partial out
48}
void _endTransfer()
void _writeCommand(uint8_t c)
void _startTransfer()
void _transfer(uint8_t value)
bool _initial_write
Definition GxEPD2_EPD.h:117

◆ clearScreen() [2/2]

void GxEPD2_420c_Z21::clearScreen ( uint8_t value = 0xFF)
virtual

Implements GxEPD2_EPD.

Definition at line 21 of file GxEPD2_420c_Z21.cpp.

22{
23 clearScreen(value, 0xFF);
24}
void clearScreen(uint8_t value=0xFF)

◆ drawImage() [1/2]

void GxEPD2_420c_Z21::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 276 of file GxEPD2_420c_Z21.cpp.

277{
278 writeImage(black, color, x, y, w, h, invert, mirror_y, pgm);
279 refresh(x, y, w, h);
280}
void refresh(bool partial_update_mode=false)
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)

◆ drawImage() [2/2]

void GxEPD2_420c_Z21::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 263 of file GxEPD2_420c_Z21.cpp.

264{
265 writeImage(bitmap, x, y, w, h, invert, mirror_y, pgm);
266 refresh(x, y, w, h);
267}

◆ drawImagePart() [1/2]

void GxEPD2_420c_Z21::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 282 of file GxEPD2_420c_Z21.cpp.

284{
285 writeImagePart(black, color, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
286 refresh(x, y, w, h);
287}
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_420c_Z21::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 269 of file GxEPD2_420c_Z21.cpp.

271{
272 writeImagePart(bitmap, x_part, y_part, w_bitmap, h_bitmap, x, y, w, h, invert, mirror_y, pgm);
273 refresh(x, y, w, h);
274}

◆ drawNative()

void GxEPD2_420c_Z21::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 289 of file GxEPD2_420c_Z21.cpp.

290{
291 writeNative(data1, data2, x, y, w, h, invert, mirror_y, pgm);
292 refresh(x, y, w, h);
293}
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_420c_Z21::hibernate ( )
virtual

Implements GxEPD2_EPD.

Definition at line 327 of file GxEPD2_420c_Z21.cpp.

328{
329 _writeCommand(0x50); // VCOM AND DATA INTERVAL SETTING
330 _writeData(0xf7); // border floating
331 _PowerOff();
332 if (_rst >= 0)
333 {
334 _writeCommand(0x07); // deep sleep
335 _writeData(0xA5); // check code
336 _hibernating = true;
337 }
338}
void _writeData(uint8_t d)
int16_t _rst
Definition GxEPD2_EPD.h:112
bool _hibernating
Definition GxEPD2_EPD.h:118

◆ powerOff()

void GxEPD2_420c_Z21::powerOff ( void )
virtual

Implements GxEPD2_EPD.

Definition at line 322 of file GxEPD2_420c_Z21.cpp.

323{
324 _PowerOff();
325}

◆ refresh() [1/2]

void GxEPD2_420c_Z21::refresh ( bool partial_update_mode = false)
virtual

Implements GxEPD2_EPD.

Definition at line 295 of file GxEPD2_420c_Z21.cpp.

296{
297 if (partial_update_mode) refresh(0, 0, WIDTH, HEIGHT);
298 else _Update_Full();
299}

◆ refresh() [2/2]

void GxEPD2_420c_Z21::refresh ( int16_t x,
int16_t y,
int16_t w,
int16_t h )
virtual

Implements GxEPD2_EPD.

Definition at line 301 of file GxEPD2_420c_Z21.cpp.

302{
303 // intersection with screen
304 int16_t w1 = x < 0 ? w + x : w; // reduce
305 int16_t h1 = y < 0 ? h + y : h; // reduce
306 int16_t x1 = x < 0 ? 0 : x; // limit
307 int16_t y1 = y < 0 ? 0 : y; // limit
308 w1 = x1 + w1 < int16_t(WIDTH) ? w1 : int16_t(WIDTH) - x1; // limit
309 h1 = y1 + h1 < int16_t(HEIGHT) ? h1 : int16_t(HEIGHT) - y1; // limit
310 if ((w1 <= 0) || (h1 <= 0)) return;
311 // make x1, w1 multiple of 8
312 w1 += x1 % 8;
313 if (w1 % 8 > 0) w1 += 8 - w1 % 8;
314 x1 -= x1 % 8;
315 _Init_Part();
316 if (usePartialUpdateWindow) _writeCommand(0x91); // partial in
317 _setPartialRamArea(x1, y1, w1, h1);
318 _Update_Part();
319 if (usePartialUpdateWindow) _writeCommand(0x92); // partial out
320}
static const bool usePartialUpdateWindow

◆ writeImage() [1/2]

void GxEPD2_420c_Z21::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 83 of file GxEPD2_420c_Z21.cpp.

84{
85 if (_initial_write) writeScreenBuffer(); // initial full screen buffer clean
86 delay(1); // yield() to avoid WDT on ESP8266 and ESP32
87 int16_t wb = (w + 7) / 8; // width bytes, bitmaps are padded
88 x -= x % 8; // byte boundary
89 w = wb * 8; // byte boundary
90 int16_t x1 = x < 0 ? 0 : x; // limit
91 int16_t y1 = y < 0 ? 0 : y; // limit
92 int16_t w1 = x + w < int16_t(WIDTH) ? w : int16_t(WIDTH) - x; // limit
93 int16_t h1 = y + h < int16_t(HEIGHT) ? h : int16_t(HEIGHT) - y; // limit
94 int16_t dx = x1 - x;
95 int16_t dy = y1 - y;
96 w1 -= dx;
97 h1 -= dy;
98 if ((w1 <= 0) || (h1 <= 0)) return;
99 _Init_Part();
100 _writeCommand(0x91); // partial in
101 _setPartialRamArea(x1, y1, w1, h1);
102 _writeCommand(0x10);
104 for (int16_t i = 0; i < h1; i++)
105 {
106 for (int16_t j = 0; j < w1 / 8; j++)
107 {
108 uint8_t data = 0xFF;
109 if (black)
110 {
111 // use wb, h of bitmap for index!
112 int16_t idx = mirror_y ? j + dx / 8 + ((h - 1 - (i + dy))) * wb : j + dx / 8 + (i + dy) * wb;
113 if (pgm)
114 {
115#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
116 data = pgm_read_byte(&black[idx]);
117#else
118 data = black[idx];
119#endif
120 }
121 else
122 {
123 data = black[idx];
124 }
125 if (invert) data = ~data;
126 }
127 _transfer(data);
128 }
129 }
130 _endTransfer();
131 _writeCommand(0x13);
133 for (int16_t i = 0; i < h1; i++)
134 {
135 for (int16_t j = 0; j < w1 / 8; j++)
136 {
137 uint8_t data = 0xFF;
138 if (color)
139 {
140 // use wb, h of bitmap for index!
141 int16_t idx = mirror_y ? j + dx / 8 + ((h - 1 - (i + dy))) * wb : j + dx / 8 + (i + dy) * wb;
142 if (pgm)
143 {
144#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
145 data = pgm_read_byte(&color[idx]);
146#else
147 data = color[idx];
148#endif
149 }
150 else
151 {
152 data = color[idx];
153 }
154 if (invert) data = ~data;
155 }
156 _transfer(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=0xFF)

◆ writeImage() [2/2]

void GxEPD2_420c_Z21::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 78 of file GxEPD2_420c_Z21.cpp.

79{
80 writeImage(bitmap, NULL, x, y, w, h, invert, mirror_y, pgm);
81}

◆ writeImagePart() [1/2]

void GxEPD2_420c_Z21::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_420c_Z21.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 int16_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 data;
203 // use wb_bitmap, h_bitmap of bitmap for index!
204 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;
205 if (pgm)
206 {
207#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
208 data = pgm_read_byte(&black[idx]);
209#else
210 data = black[idx];
211#endif
212 }
213 else
214 {
215 data = black[idx];
216 }
217 if (invert) data = ~data;
218 _transfer(data);
219 }
220 }
221 _endTransfer();
222 _writeCommand(0x13);
224 for (int16_t i = 0; i < h1; i++)
225 {
226 for (int16_t j = 0; j < w1 / 8; j++)
227 {
228 uint8_t data = 0xFF;
229 if (color)
230 {
231 // use wb_bitmap, h_bitmap of bitmap for index!
232 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;
233 if (pgm)
234 {
235#if defined(__AVR) || defined(ESP8266) || defined(ESP32)
236 data = pgm_read_byte(&color[idx]);
237#else
238 data = color[idx];
239#endif
240 }
241 else
242 {
243 data = color[idx];
244 }
245 if (invert) data = ~data;
246 }
247 _transfer(data);
248 }
249 }
250 _endTransfer();
251 _writeCommand(0x92); // partial out
252 delay(1); // yield() to avoid WDT on ESP8266 and ESP32
253}
bool _using_partial_mode
Definition GxEPD2_EPD.h:118

◆ writeImagePart() [2/2]

void GxEPD2_420c_Z21::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_420c_Z21.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_420c_Z21::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 255 of file GxEPD2_420c_Z21.cpp.

256{
257 if (data1)
258 {
259 writeImage(data1, x, y, w, h, invert, mirror_y, pgm);
260 }
261}

◆ writeScreenBuffer() [1/2]

void GxEPD2_420c_Z21::writeScreenBuffer ( uint8_t black_value,
uint8_t color_value )

Definition at line 55 of file GxEPD2_420c_Z21.cpp.

56{
57 _initial_write = false; // initial full screen buffer clean done
58 _Init_Part();
59 _writeCommand(0x91); // partial in
60 _setPartialRamArea(0, 0, WIDTH, HEIGHT);
61 _writeCommand(0x10);
63 for (uint16_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
64 {
65 _transfer(black_value);
66 }
68 _writeCommand(0x13);
70 for (uint16_t i = 0; i < uint32_t(WIDTH) * uint32_t(HEIGHT) / 8; i++)
71 {
72 _transfer(color_value);
73 }
75 _writeCommand(0x92); // partial out
76}

◆ writeScreenBuffer() [2/2]

void GxEPD2_420c_Z21::writeScreenBuffer ( uint8_t value = 0xFF)
virtual

Implements GxEPD2_EPD.

Definition at line 50 of file GxEPD2_420c_Z21.cpp.

51{
52 writeScreenBuffer(value, 0xFF);
53}

Member Data Documentation

◆ full_refresh_time

const uint16_t GxEPD2_420c_Z21::full_refresh_time = 16000
static

Definition at line 33 of file GxEPD2_420c_Z21.h.

◆ hasColor

const bool GxEPD2_420c_Z21::hasColor = true
static

Definition at line 27 of file GxEPD2_420c_Z21.h.

◆ hasFastPartialUpdate

const bool GxEPD2_420c_Z21::hasFastPartialUpdate = false
static

Definition at line 30 of file GxEPD2_420c_Z21.h.

◆ hasPartialUpdate

const bool GxEPD2_420c_Z21::hasPartialUpdate = true
static

Definition at line 28 of file GxEPD2_420c_Z21.h.

◆ HEIGHT

const uint16_t GxEPD2_420c_Z21::HEIGHT = 300
static

Definition at line 25 of file GxEPD2_420c_Z21.h.

◆ panel

const GxEPD2::Panel GxEPD2_420c_Z21::panel = GxEPD2::GDEQ042Z21
static

Definition at line 26 of file GxEPD2_420c_Z21.h.

◆ partial_refresh_time

const uint16_t GxEPD2_420c_Z21::partial_refresh_time = 16000
static

Definition at line 34 of file GxEPD2_420c_Z21.h.

◆ power_off_time

const uint16_t GxEPD2_420c_Z21::power_off_time = 50
static

Definition at line 32 of file GxEPD2_420c_Z21.h.

◆ power_on_time

const uint16_t GxEPD2_420c_Z21::power_on_time = 50
static

Definition at line 31 of file GxEPD2_420c_Z21.h.

◆ usePartialUpdateWindow

const bool GxEPD2_420c_Z21::usePartialUpdateWindow = true
static

Definition at line 29 of file GxEPD2_420c_Z21.h.

◆ WIDTH

const uint16_t GxEPD2_420c_Z21::WIDTH = 400
static

Definition at line 23 of file GxEPD2_420c_Z21.h.

◆ WIDTH_VISIBLE

const uint16_t GxEPD2_420c_Z21::WIDTH_VISIBLE = WIDTH
static

Definition at line 24 of file GxEPD2_420c_Z21.h.


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