The 1in54_V2 program uses external waveform, Improved refresh speed and compatibility

RaspberryPi_JetsonNano/c/examples/EPD_1in54_V2_test.c

@@ -114,23 +114,24 @@ int EPD_1in54_V2_test(void)
     Paint_DrawString_CN(5, 155, "΢ѩµç×Ó", &Font24CN, WHITE, BLACK);
 
     EPD_1IN54_V2_Display(BlackImage);
+	
     DEV_Delay_ms(2000);
 #endif
 
 #if 1   //Partial refresh, example shows time    
-
     // The image of the previous frame must be uploaded, otherwise the
     // first few seconds will display an exception.
-    EPD_1IN54_V2_Init();
 	EPD_1IN54_V2_DisplayPartBaseImage(BlackImage);
 	
+	// enter partial mode
+	EPD_1IN54_V2_Init_Partial();
     printf("Partial refresh\r\n");
     Paint_SelectImage(BlackImage);
     PAINT_TIME sPaint_time;
     sPaint_time.Hour = 12;
     sPaint_time.Min = 34;
     sPaint_time.Sec = 56;
-    UBYTE num = 20;
+    UBYTE num = 15;
     for (;;) {
         sPaint_time.Sec = sPaint_time.Sec + 1;
         if (sPaint_time.Sec == 60) {

RaspberryPi_JetsonNano/c/lib/e-Paper/EPD_1in54_V2.c

@@ -30,7 +30,32 @@
 #include "EPD_1in54_V2.h"
 #include "Debug.h"
 
-const unsigned char WF_PARTIAL_1IN54_0[159] =
+// waveform full refresh
+unsigned char WF_Full_1IN54[159] =
+{											
+0x80,	0x48,	0x40,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,
+0x40,	0x48,	0x80,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,
+0x80,	0x48,	0x40,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,
+0x40,	0x48,	0x80,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,
+0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,
+0xA,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x8,	0x1,	0x0,	0x8,	0x1,	0x0,	0x2,					
+0xA,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+0x22,	0x22,	0x22,	0x22,	0x22,	0x22,	0x0,	0x0,	0x0,			
+0x22,	0x17,	0x41,	0x0,	0x32,	0x20
+};
+
+// waveform partial refresh(fast)
+unsigned char WF_PARTIAL_1IN54_0[159] =
 {
 0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
 0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
@@ -53,7 +78,8 @@ const unsigned char WF_PARTIAL_1IN54_0[159] =
 0x02,0x17,0x41,0xB0,0x32,0x28,
 };
 
-const unsigned char WF_PARTIAL_1IN54_1[159] =
+// waveform partial refresh(quality)
+unsigned char WF_PARTIAL_1IN54_1[159] =
 {
 0x0,0x00,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
 0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
@@ -223,15 +249,6 @@ void EPD_1IN54_V2_Init(void)
     EPD_1IN54_V2_SendCommand(0x11); //data entry mode
     EPD_1IN54_V2_SendData(0x01);
 
-    // EPD_1IN54_V2_SendCommand(0x44); //set Ram-X address start/end position
-    // EPD_1IN54_V2_SendData(0x00);
-    // EPD_1IN54_V2_SendData(0x18);    //0x0C-->(18+1)*8=200
-
-    // EPD_1IN54_V2_SendCommand(0x45); //set Ram-Y address start/end position
-    // EPD_1IN54_V2_SendData(0xC7);   //0xC7-->(199+1)=200
-    // EPD_1IN54_V2_SendData(0x00);
-    // EPD_1IN54_V2_SendData(0x00);
-    // EPD_1IN54_V2_SendData(0x00);
 	EPD_1IN54_V2_SetWindows(0, EPD_1IN54_V2_HEIGHT-1, EPD_1IN54_V2_WIDTH-1, 0);
 
     EPD_1IN54_V2_SendCommand(0x3C); //BorderWavefrom
@@ -244,13 +261,10 @@ void EPD_1IN54_V2_Init(void)
     EPD_1IN54_V2_SendData(0XB1);
     EPD_1IN54_V2_SendCommand(0x20);
 
-    // EPD_1IN54_V2_SendCommand(0x4E);   // set RAM x address count to 0;
-    // EPD_1IN54_V2_SendData(0x00);
-    // EPD_1IN54_V2_SendCommand(0x4F);   // set RAM y address count to 0X199;
-    // EPD_1IN54_V2_SendData(0xC7);
-    // EPD_1IN54_V2_SendData(0x00);
     EPD_1IN54_V2_SetCursor(0, EPD_1IN54_V2_HEIGHT-1);
 	EPD_1IN54_V2_ReadBusy();
+	
+	EPD_1IN54_V2_SetLut(WF_Full_1IN54);
 }
 
 /******************************************************************************
@@ -259,13 +273,10 @@ parameter:
 ******************************************************************************/
 void EPD_1IN54_V2_Init_Partial(void)
 {
-    DEV_Digital_Write(EPD_RST_PIN, 0);
+	EPD_1IN54_V2_Reset();
-    DEV_Delay_ms(2);
-    DEV_Digital_Write(EPD_RST_PIN, 1);
-    DEV_Delay_ms(5);
 	EPD_1IN54_V2_ReadBusy();
 	
-	EPD_1IN54_V2_SetLut(WF_PARTIAL_1IN54_0);
+	EPD_1IN54_V2_SetLut(WF_PARTIAL_1IN54_1);
     EPD_1IN54_V2_SendCommand(0x37); 
     EPD_1IN54_V2_SendData(0x00);  
     EPD_1IN54_V2_SendData(0x00);  

RaspberryPi_JetsonNano/python/examples/epd_1in54_V2_test.py

@@ -21,7 +21,7 @@ try:
     epd = epd1in54_V2.EPD()
     
     logging.info("init and Clear")
-    epd.init()
+    epd.init(0)
     epd.Clear(0xFF)
     time.sleep(1)
     
@@ -67,6 +67,7 @@ try:
     # Image.new('1', (epd.width, epd.height), 255)
     epd.displayPartBaseImage(epd.getbuffer(time_image))
     
+    epd.init(1) # into partial refresh mode
     time_draw = ImageDraw.Draw(time_image)
     num = 0
     while (True):
@@ -80,7 +81,7 @@ try:
             break
     
     logging.info("Clear...")
-    epd.init()
+    epd.init(0)
     epd.Clear(0xFF)
     
     logging.info("Goto Sleep...")

RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd1in54_V2.py

@@ -43,6 +43,75 @@ class EPD:
         self.width = EPD_WIDTH
         self.height = EPD_HEIGHT
         
+    # waveform full refresh
+    WF_Full_1IN54 = [
+    0x80,	0x48,	0x40,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,
+    0x40,	0x48,	0x80,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,
+    0x80,	0x48,	0x40,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,
+    0x40,	0x48,	0x80,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,
+    0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,
+    0xA,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x8,	0x1,	0x0,	0x8,	0x1,	0x0,	0x2,					
+    0xA,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x0,	0x0,	0x0,	0x0,	0x0,	0x0,	0x0,					
+    0x22,	0x22,	0x22,	0x22,	0x22,	0x22,	0x0,	0x0,	0x0,			
+    0x22,	0x17,	0x41,	0x0,	0x32,	0x20
+    ]
+
+    # waveform partial refresh(fast)
+    WF_PARTIAL_1IN54_0 = [
+    0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x40,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0xF,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x1,0x1,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
+    0x02,0x17,0x41,0xB0,0x32,0x28,
+    ]
+
+    # waveform partial refresh(quality)
+    WF_PARTIAL_1IN54_1 = [
+    0x0,0x00,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0xA,0x0,0x0,0x0,0x0,0x0,0x1,
+    0x1,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x0,0x0,0x0,0x0,0x0,0x0,0x0,
+    0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
+    0x22,0x17,0x41,0x0,0x32,0x20,
+    ]
+        
     # Hardware reset
     def reset(self):
         epdconfig.digital_write(self.reset_pin, 1)
@@ -72,25 +141,96 @@ class EPD:
 
     def TurnOnDisplay(self):
         self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
-        self.send_data(0xF7)
+        self.send_data(0xc7)
         self.send_command(0x20) # MASTER_ACTIVATION
         self.ReadBusy()
     
     def TurnOnDisplayPart(self):
         self.send_command(0x22) # DISPLAY_UPDATE_CONTROL_2
-        self.send_data(0xFF)
+        self.send_data(0xcF)
         self.send_command(0x20) # MASTER_ACTIVATION
         self.ReadBusy()
 
-    def init(self):
+    def lut(self, lut):
+        self.send_command(0x32) # WRITE_LUT_REGISTER
+        for i in range(0, len(lut)):
+            self.send_data(lut[i])
+            
+    def set_lut(self, lut):
+        self.lut(lut)
+        
+        self.send_command(0x3f)
+        self.send_data(lut[153])
+        
+        self.send_command(0x03)
+        self.send_data(lut[154])
+        
+        self.send_command(0x04)
+        self.send_data(lut[155])
+        self.send_data(lut[156])
+        self.send_data(lut[157])
+        
+        self.send_command(0x2c)
+        self.send_data(lut[158])
+      
+    def SetWindows(self, Xstart, Ystart, Xend, Yend):
+        self.send_command(0x44); # SET_RAM_X_ADDRESS_START_END_POSITION
+        self.send_data((Xstart>>3) & 0xFF);
+        self.send_data((Xend>>3) & 0xFF);
+        
+        self.send_command(0x45); # SET_RAM_Y_ADDRESS_START_END_POSITION
+        self.send_data(Ystart & 0xFF);
+        self.send_data((Ystart >> 8) & 0xFF);
+        self.send_data(Yend & 0xFF);
+        self.send_data((Yend >> 8) & 0xFF);
+    
+
+    def SetCursor(self, Xstart, Ystart):
+        self.send_command(0x4E); # SET_RAM_X_ADDRESS_COUNTER
+        self.send_data(Xstart & 0xFF);
+
+        self.send_command(0x4F); # SET_RAM_Y_ADDRESS_COUNTER
+        self.send_data(Ystart & 0xFF);
+        self.send_data((Ystart >> 8) & 0xFF);
+
+    def init(self, isPartial):
         if (epdconfig.module_init() != 0):
             return -1
             
+        if(isPartial):
+            logging.debug("full refresh")
+            self.reset()
+            self.ReadBusy()
+            
+            self.set_lut(self.WF_PARTIAL_1IN54_0)
+            
+            self.send_command(0x37)
+            self.send_data(0x00)
+            self.send_data(0x00)
+            self.send_data(0x00)
+            self.send_data(0x00)
+            self.send_data(0x00)
+            self.send_data(0x40)
+            self.send_data(0x00)
+            self.send_data(0x00)
+            self.send_data(0x00)
+            self.send_data(0x00)
+            
+            self.send_command(0x3c)  # BorderWavefrom
+            self.send_data(0x80)
+            
+            self.send_command(0x22)
+            self.send_data(0xc0)
+            self.send_command(0x20)
+            self.ReadBusy()
+        
+        else:
+            logging.debug("partial refresh")
             # EPD hardware init start
             self.reset()
             
             self.ReadBusy()
-        self.send_command(0x12) # SWRESET
+            self.send_command(0x12) # SWRESET (software reset)
             self.ReadBusy()
             
             self.send_command(0x01) # DRIVER_OUTPUT_CONTROL
@@ -101,15 +241,7 @@ class EPD:
             self.send_command(0x11) # data entry mode
             self.send_data(0x01)
                       
-        self.send_command(0x44) # set Ram-X address start/end position
+            self.SetWindows(0, self.height-1, self.width-1, 0) # Set Windows
-        self.send_data(0x00)
-        self.send_data(0x18) # 0x0C-->(18+1)*8=200
-        
-        self.send_command(0x45) # set Ram-Y address start/end position
-        self.send_data(0xC7) # 0xC7-->(199+1)=200
-        self.send_data(0x00)
-        self.send_data(0x00)
-        self.send_data(0x00)
     
             self.send_command(0x3C) # BorderWavefrom
             self.send_data(0x01)
@@ -121,14 +253,12 @@ class EPD:
             self.send_data(0XB1)
             self.send_command(0x20)
 
-        self.send_command(0x4E) # set RAM x address count to 0;
+            self.SetCursor(0, self.height-1) # Set Cursor
-        self.send_data(0x00)
-        self.send_command(0x4F) # set RAM y address count to 0X199;
-        self.send_data(0xC7)
-        self.send_data(0x00)
             
             self.ReadBusy()
             
+            self.set_lut(self.WF_Full_1IN54) # Set lut
+        
     def Clear(self, color):
         self.send_command(0x24)
         for j in range(0, self.height):
@@ -189,14 +319,6 @@ class EPD:
         if (image == None):
             return
         
-        epdconfig.digital_write(self.reset_pin, 0)
-        epdconfig.delay_ms(10)
-        epdconfig.digital_write(self.reset_pin, 1)
-        epdconfig.delay_ms(10)   
-        
-        self.send_command(0x3c)
-        self.send_data(0x80)
-        
         self.send_command(0x24)
         for j in range(0, self.height):
             for i in range(0, int(self.width / 8)):