inverse red ram with register

EPD/EPD_driver.c

@@ -319,14 +319,12 @@ extern epd_model_t epd_uc8176_420_bw;
 extern epd_model_t epd_uc8176_420_bwr;
 extern epd_model_t epd_ssd1619_420_bwr;
 extern epd_model_t epd_ssd1619_420_bw;
-extern epd_model_t epd_uc8276_420_bwr;
 
 static epd_model_t *epd_models[] = {
     &epd_uc8176_420_bw,
     &epd_uc8176_420_bwr,
     &epd_ssd1619_420_bwr,
     &epd_ssd1619_420_bw,
-    &epd_uc8276_420_bwr,
 };
 
 // EPD model

EPD/EPD_driver.h

@@ -45,7 +45,6 @@ typedef enum
     EPD_UC8176_420_BWR = 3,
     EPD_SSD1619_420_BWR = 2,
     EPD_SSD1619_420_BW = 4,
-    EPD_UC8276_420_BWR = 5,
 } epd_model_id_t;
 
 typedef struct
@@ -55,7 +54,6 @@ typedef struct
     uint16_t width;
     uint16_t height;
     bool bwr;
-    bool invert_color;
 } epd_model_t;
 
 #define LOW             (0x0)

EPD/SSD1619.c

@@ -104,6 +104,10 @@ static void SSD1619_Refresh(void)
 {
     epd_model_t *EPD = epd_get();
 
+    EPD_WriteCommand(CMD_DISP_CTRL1);
+    EPD_WriteByte(0x80); // Inverse RED RAM
+    EPD_WriteByte(0x00); // Single chip application
+
     NRF_LOG_DEBUG("[EPD]: refresh begin\n");
     NRF_LOG_DEBUG("[EPD]: temperature: %d\n", SSD1619_Read_Temp());
     SSD1619_Update(0xF7);
@@ -130,7 +134,7 @@ void SSD1619_Clear(void)
     EPD_WriteCommand(CMD_WRITE_RAM2);
     for (uint16_t j = 0; j < Height; j++) {
         for (uint16_t i = 0; i < Width; i++) {
-            EPD_WriteByte(EPD->invert_color ? 0x00 : 0xFF);
+            EPD_WriteByte(0xFF);
         }
     }
 
@@ -156,8 +160,7 @@ void SSD1619_Write_Image(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y,
     for (uint16_t i = 0; i < h; i++) {
         for (uint16_t j = 0; j < w / 8; j++) {
             if (EPD->bwr) {
-                uint8_t data = color ? color[j + i * wb] : 0xFF;
+                EPD_WriteByte(color ? color[j + i * wb] : 0xFF);
-                EPD_WriteByte(EPD->invert_color ? ~data : data);
             } else {
                 EPD_WriteByte(black[j + i * wb]);
             }
@@ -189,7 +192,6 @@ const epd_model_t epd_ssd1619_420_bwr = {
     .width = 400,
     .height = 300,
     .bwr = true,
-    .invert_color = true,
 };
 
 // SSD1619 400x300 Black/White
@@ -199,5 +201,4 @@ const epd_model_t epd_ssd1619_420_bw = {
     .width = 400,
     .height = 300,
     .bwr = false,
-    .invert_color = false,
 };

EPD/UC8176.c

@@ -131,10 +131,8 @@ void UC8176_Init()
     EPD_WriteCommand(CMD_PSR);
     EPD_WriteByte(psr);
 
-    if (!EPD->bwr) {
     EPD_WriteCommand(CMD_CDI);
-        EPD_WriteByte(0x97);
+    EPD_WriteByte(EPD->bwr ? 0x77 : 0x97);
-    }
 }
 
 static void UC8176_Write_RAM(uint8_t cmd, uint8_t value)
@@ -157,9 +155,8 @@ parameter:
 ******************************************************************************/
 void UC8176_Clear(void)
 {
-    epd_model_t *EPD = epd_get();
     UC8176_Write_RAM(CMD_DTM1, 0xFF);
-    UC8176_Write_RAM(CMD_DTM2, EPD->invert_color ? 0x00 : 0xFF);
+    UC8176_Write_RAM(CMD_DTM2, 0xFF);
     UC8176_Refresh();
 }
 
@@ -203,8 +200,7 @@ void UC8176_Write_Image(uint8_t *black, uint8_t *color, uint16_t x, uint16_t y,
     for (uint16_t i = 0; i < h; i++) {
         for (uint16_t j = 0; j < w / 8; j++) {
             if (EPD->bwr) {
-                uint8_t data = color ? color[j + i * wb] : 0xFF;
+                EPD_WriteByte(color ? color[j + i * wb] : 0xFF);
-                EPD_WriteByte(EPD->invert_color ? ~data : data);
             } else {
                 EPD_WriteByte(black[j + i * wb]);
             }
@@ -243,7 +239,6 @@ const epd_model_t epd_uc8176_420_bw = {
     .width = 400,
     .height = 300,
     .bwr = false,
-    .invert_color = false,
 };
 
 // UC8176 400x300 Black/White/Red
@@ -253,15 +248,4 @@ const epd_model_t epd_uc8176_420_bwr = {
     .width = 400,
     .height = 300,
     .bwr = true,
-    .invert_color = false,
-};
-
-// UC8276 400x300 Black/White/Red
-const epd_model_t epd_uc8276_420_bwr = {
-    .id = EPD_UC8276_420_BWR,
-    .drv = &epd_drv_uc8176,
-    .width = 400,
-    .height = 300,
-    .bwr = true,
-    .invert_color = true,
 };

html/index.html

@@ -21,13 +21,10 @@
 				<div class="flex-group debug">
 					<label for="epddriver">驱动</label>
 					<select id="epddriver" onchange="filterDitheringOptions()">
-						<option value="01">UC8176（黑白屏）</option>
+						<option value="01">UC8176/UC8276（黑白屏）</option>
-						<option value="03">UC8176（三色屏）</option>
+						<option value="03">UC8176/UC8276（三色屏）</option>
-						<option value="05">UC8276（三色屏）</option>
+						<option value="04">SSD1619/SSD1683（黑白屏）</option>
-						<option value="04">SSD1619（黑白屏）</option>
+						<option value="02">SSD1619/SSD1683（三色屏）</option>
-						<option value="02">SSD1619（三色屏）</option>
-						<option value="04">SSD1683（黑白屏）</option>
-						<option value="02">SSD1683（三色屏）</option>
 					</select>	
 				</div>
 				<div class="flex-group debug">

html/js/main.js

@@ -124,7 +124,7 @@ async function sendimg() {
   status.parentElement.style.display = "block";
 
   if (mode.startsWith('bwr')) {
-    const invert = (driver === '02') || (driver === '05');
+    const invert = (appVersion < 0x16) ? (driver === '02') : false;
     await epdWrite(driver === "02" ? 0x24 : 0x10, canvas2bytes(canvas, 'bw'));
     await epdWrite(driver === "02" ? 0x26 : 0x13, canvas2bytes(canvas, 'red', invert));
   } else {
@@ -219,11 +219,11 @@ async function connect() {
   try {
     addLog("正在连接: " + bleDevice.name);
     gattServer = await bleDevice.gatt.connect();
-    addLog('  找到 GATT Server');
+    addLog('&nbsp;&nbsp;找到 GATT Server');
     epdService = await gattServer.getPrimaryService('62750001-d828-918d-fb46-b6c11c675aec');
-    addLog('  找到 EPD Service');
+    addLog('&nbsp;&nbsp;找到 EPD Service');
     epdCharacteristic = await epdService.getCharacteristic('62750002-d828-918d-fb46-b6c11c675aec');
-    addLog('  找到 Characteristic');
+    addLog('&nbsp;&nbsp;找到 Characteristic');
   } catch (e) {
     console.error(e);
     if (e.message) addLog("connect: " + e.message);