Merge pull request #45 from adafruit/ucfixes

turns out this chip does not like being powered down twice in a row.

Author: ladyada

examples/ThinkInk_mono/ThinkInk_mono.ino

@@ -45,9 +45,14 @@ ThinkInk_213_Mono_B72 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);
 // 2.9" Monochrome displays with 296x128 pixels and UC8151D chipset
 //ThinkInk_290_Mono_M06 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);
 
+
 // 4.2" Monochrome displays with 400x300 pixels and SSD1619 chipset
 //ThinkInk_420_Mono_BN display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);
 
+// 4.2" Monochrome displays with 400x300 pixels and UC8276 chipset
+//ThinkInk_420_Mono_M06 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);
+
+
 void setup() {
   Serial.begin(115200);
   while (!Serial) { delay(10); }

examples/ThinkInk_tricolor/ThinkInk_tricolor.ino

@@ -36,8 +36,10 @@
 // 2.7" Tricolor Featherwing or Breakout with EK79686 chipset
 //ThinkInk_270_Tricolor_Z70 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);
 
-// 2.9" Tricolor Featherwing or Breakout:
+// 2.9" Tricolor Featherwing or Breakout with IL0373 chipset
 ThinkInk_290_Tricolor_Z10 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);
+// 2.9" Tricolor Featherwing or Breakout with UC8151D chipset
+//ThinkInk_290_Tricolor_Z13 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);
 
 //ThinkInk_420_Tricolor_RW display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);
 //ThinkInk_420_Tricolor_Z21 display(EPD_DC, EPD_RESET, EPD_CS, SRAM_CS, EPD_BUSY);

src/Adafruit_ThinkInk.h

@@ -12,6 +12,7 @@
 #include "panels/ThinkInk_270_Tricolor_Z70.h"
 #include "panels/ThinkInk_290_Tricolor_RH.h"
 #include "panels/ThinkInk_290_Tricolor_Z10.h"
+#include "panels/ThinkInk_290_Tricolor_Z13.h"
 #include "panels/ThinkInk_420_Tricolor_RW.h"
 #include "panels/ThinkInk_420_Tricolor_Z21.h"
 
@@ -31,5 +32,6 @@
 #include "panels/ThinkInk_290_Mono_BN.h"
 #include "panels/ThinkInk_290_Mono_M06.h"
 #include "panels/ThinkInk_420_Mono_BN.h"
+#include "panels/ThinkInk_420_Mono_M06.h"
 
 #endif // _ADAFRUIT_THINKINK_H_

src/drivers/Adafruit_UC8151D.cpp

@@ -103,8 +103,6 @@ void Adafruit_UC8151D::begin(bool reset) {
   Adafruit_EPD::begin(reset);
   setBlackBuffer(1, true); // black defaults to inverted
   setColorBuffer(0, true); // red defaults to inverted
-
-  powerDown();
 }
 
 /**************************************************************************/

src/drivers/Adafruit_UC8151D.h

@@ -55,6 +55,15 @@ const uint8_t uc8151d_monofull_init_code[] {
     UC8151D_CDI, 1, 0x97,
     0xFE};
 
+const uint8_t uc8151d_trifull_init_code[] {
+  UC8151D_PON, 0,
+    0xFF, 10,
+    UC8151D_PSR, 2, 0x0F, 0x89,
+    0x61, 3, 0x80, 0x01, 0x28,
+    UC8151D_CDI, 1, 0x77,
+    0xFE};
+
+
 const uint8_t uc8151d_partial_init_code[] {
   UC8151D_PWR, 5, 0x03, 0x00, 0x2B, 0x2B, 0x03,     //POWER SETTING 
     UC8151D_BTST, 3, 0x17, 0x17, 0x17, //boost soft start

src/panels/ThinkInk_290_Tricolor_Z13.h

@@ -0,0 +1,41 @@
+#ifndef _THINKINK_290_TRI_Z13_H
+#define _THINKINK_290_TRI_Z13_H
+
+// This file is #included by Adafruit_ThinkInk.h and does not need to
+// #include anything else to pick up the EPD header or ink mode enum.
+
+class ThinkInk_290_Tricolor_Z13 : public Adafruit_UC8151D {
+public:
+  ThinkInk_290_Tricolor_Z13(int8_t SID, int8_t SCLK, int8_t DC, int8_t RST,
+                            int8_t CS, int8_t SRCS, int8_t MISO,
+                            int8_t BUSY = -1)
+      : Adafruit_UC8151D(296, 128, SID, SCLK, DC, RST, CS, SRCS, MISO, BUSY){};
+
+  ThinkInk_290_Tricolor_Z13(int8_t DC, int8_t RST, int8_t CS, int8_t SRCS,
+                            int8_t BUSY = -1, SPIClass *spi = &SPI)
+      : Adafruit_UC8151D(296, 128, DC, RST, CS, SRCS, BUSY, spi){};
+
+  void begin(thinkinkmode_t mode = THINKINK_MONO) {
+    Adafruit_UC8151D::begin(true);
+
+    setColorBuffer(0, true);
+    setBlackBuffer(1, true);
+
+    inkmode = mode; // Preserve ink mode for ImageReader or others
+
+    _epd_init_code = uc8151d_trifull_init_code;
+
+    layer_colors[EPD_WHITE] = 0b00;
+    layer_colors[EPD_BLACK] = 0b10;
+    layer_colors[EPD_RED] = 0b01;
+    layer_colors[EPD_GRAY] = 0b01;
+    layer_colors[EPD_LIGHT] = 0b00;
+    layer_colors[EPD_DARK] = 0b01;
+
+    default_refresh_delay = 1000;
+    setRotation(0);
+    powerDown();
+  }
+};
+
+#endif // _THINKINK_290_TRI_Z13_H

src/panels/ThinkInk_420_Mono_M06.h

@@ -0,0 +1,35 @@
+#ifndef _THINKINK_420_MONO_M06_H
+#define _THINKINK_420_MONO_M06_H
+
+#include "Adafruit_EPD.h"
+
+class ThinkInk_420_Mono_M06 : public Adafruit_UC8276 {
+private:
+public:
+  ThinkInk_420_Mono_M06(int8_t SID, int8_t SCLK, int8_t DC, int8_t RST,
+                        int8_t CS, int8_t SRCS, int8_t MISO, int8_t BUSY = -1)
+      : Adafruit_UC8276(300, 400, SID, SCLK, DC, RST, CS, SRCS, MISO, BUSY){};
+
+  ThinkInk_420_Mono_M06(int8_t DC, int8_t RST, int8_t CS, int8_t SRCS,
+                        int8_t BUSY = -1, SPIClass *spi = &SPI)
+      : Adafruit_UC8276(300, 400, DC, RST, CS, SRCS, BUSY, spi){};
+
+  void begin(thinkinkmode_t mode = THINKINK_MONO) {
+    Adafruit_EPD::begin(true);
+    setColorBuffer(1, true); // layer 1 uninverted
+    setBlackBuffer(1, true); // only one buffer
+
+    layer_colors[EPD_WHITE] = 0b00;
+    layer_colors[EPD_BLACK] = 0b01;
+    layer_colors[EPD_RED] = 0b10;
+    layer_colors[EPD_GRAY] = 0b10;
+    layer_colors[EPD_LIGHT] = 0b00;
+    layer_colors[EPD_DARK] = 0b01;
+
+    default_refresh_delay = 13000;
+    setRotation(1);
+    powerDown();
+  };
+};
+
+#endif // _THINKINK_420_MONO