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Heltec paper (#3069)
* Attempts at getting the Heltec Wireless Paper eink operational * Bogus comment * Fixing Support For Heltec Wireless Paper --------- Co-authored-by: NfN Orange <orange@reveb.la>
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Ben Meadors
GitHub
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77ff1704db
commit
0d85069bec
@ -7,9 +7,9 @@
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#include "main.h"
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#include <SPI.h>
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// #ifdef HELTEC_WIRELESS_PAPER
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// SPIClass *hspi = NULL;
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// #endif
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#ifdef HELTEC_WIRELESS_PAPER
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SPIClass *hspi = NULL;
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#endif
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#define COLORED GxEPD_BLACK
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#define UNCOLORED GxEPD_WHITE
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@ -47,7 +47,7 @@
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#elif defined(HELTEC_WIRELESS_PAPER)
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// #define TECHO_DISPLAY_MODEL GxEPD2_213_T5D
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#define TECHO_DISPLAY_MODEL GxEPD2_213_BN
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#define TECHO_DISPLAY_MODEL GxEPD2_213_FC1
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#endif
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GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT> *adafruitDisplay;
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@ -71,7 +71,7 @@ EInkDisplay::EInkDisplay(uint8_t address, int sda, int scl, OLEDDISPLAY_GEOMETRY
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// setGeometry(GEOMETRY_RAWMODE, 200, 200);
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#elif defined(HELTEC_WIRELESS_PAPER)
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// setGeometry(GEOMETRY_RAWMODE, 212, 104);
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// GxEPD2_213_BN - 2.13 inch b/w 250x122
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setGeometry(GEOMETRY_RAWMODE, 250, 122);
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#elif defined(MAKERPYTHON)
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// GxEPD2_290_T5D
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@ -119,7 +119,6 @@ bool EInkDisplay::forceDisplay(uint32_t msecLimit)
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// tft.drawBitmap(0, 0, buffer, 128, 64, TFT_YELLOW, TFT_BLACK);
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for (uint32_t y = 0; y < displayHeight; y++) {
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for (uint32_t x = 0; x < displayWidth; x++) {
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// get src pixel in the page based ordering the OLED lib uses FIXME, super inefficient
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auto b = buffer[x + (y / 8) * displayWidth];
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auto isset = b & (1 << (y & 7));
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@ -148,7 +147,8 @@ bool EInkDisplay::forceDisplay(uint32_t msecLimit)
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#elif defined(PCA10059) || defined(M5_COREINK)
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adafruitDisplay->nextPage();
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#elif defined(HELTEC_WIRELESS_PAPER)
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adafruitDisplay->nextPage();
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#elif defined(PRIVATE_HW) || defined(my)
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adafruitDisplay->nextPage();
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@ -231,13 +231,16 @@ bool EInkDisplay::connect()
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}
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#elif defined(HELTEC_WIRELESS_PAPER)
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{
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auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY);
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hspi = new SPIClass(HSPI);
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hspi->begin(PIN_EINK_SCLK, -1, PIN_EINK_MOSI, PIN_EINK_CS); // SCLK, MISO, MOSI, SS
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delay(100);
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pinMode(Vext, OUTPUT);
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digitalWrite(Vext, LOW);
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delay(100);
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auto lowLevel = new TECHO_DISPLAY_MODEL(PIN_EINK_CS, PIN_EINK_DC, PIN_EINK_RES, PIN_EINK_BUSY, *hspi);
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adafruitDisplay = new GxEPD2_BW<TECHO_DISPLAY_MODEL, TECHO_DISPLAY_MODEL::HEIGHT>(*lowLevel);
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// hspi = new SPIClass(HSPI);
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// hspi->begin(PIN_EINK_SCLK, -1, PIN_EINK_MOSI, PIN_EINK_CS); // SCLK, MISO, MOSI, SS
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adafruitDisplay->init(115200, true, 10, false, SPI, SPISettings(6000000, MSBFIRST, SPI_MODE0));
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adafruitDisplay->init();
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adafruitDisplay->setRotation(3);
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adafruitDisplay->setPartialWindow(0, 0, displayWidth, displayHeight);
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}
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#elif defined(PCA10059)
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{
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78
variants/heltec_wireless_paper/pins_arduino.h
Normal file
78
variants/heltec_wireless_paper/pins_arduino.h
Normal file
@ -0,0 +1,78 @@
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#ifndef Pins_Arduino_h
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#define Pins_Arduino_h
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#include <stdint.h>
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#define WIFI_Kit_32 true
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#define DISPLAY_HEIGHT 64
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#define DISPLAY_WIDTH 128
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#define EXTERNAL_NUM_INTERRUPTS 16
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#define NUM_DIGITAL_PINS 40
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#define NUM_ANALOG_INPUTS 16
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#define analogInputToDigitalPin(p) (((p) < 20) ? (analogChannelToDigitalPin(p)) : -1)
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#define digitalPinToInterrupt(p) (((p) < 40) ? (p) : -1)
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#define digitalPinHasPWM(p) (p < 34)
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static const uint8_t LED_BUILTIN = 35;
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#define BUILTIN_LED LED_BUILTIN // backward compatibility
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#define LED_BUILTIN LED_BUILTIN
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static const uint8_t KEY_BUILTIN = 0;
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static const uint8_t TX = 43;
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static const uint8_t RX = 44;
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static const uint8_t SDA = 41;
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static const uint8_t SCL = 42;
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static const uint8_t SS = 8;
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static const uint8_t MOSI = 10;
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static const uint8_t MISO = 11;
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static const uint8_t SCK = 9;
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static const uint8_t A0 = 1;
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static const uint8_t A1 = 2;
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static const uint8_t A2 = 3;
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static const uint8_t A3 = 4;
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static const uint8_t A4 = 5;
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static const uint8_t A5 = 6;
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static const uint8_t A6 = 7;
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static const uint8_t A7 = 8;
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static const uint8_t A8 = 9;
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static const uint8_t A9 = 10;
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static const uint8_t A10 = 11;
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static const uint8_t A11 = 12;
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static const uint8_t A12 = 13;
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static const uint8_t A13 = 14;
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static const uint8_t A14 = 15;
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static const uint8_t A15 = 16;
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static const uint8_t A16 = 17;
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static const uint8_t A17 = 18;
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static const uint8_t A18 = 19;
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static const uint8_t A19 = 20;
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static const uint8_t T1 = 1;
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static const uint8_t T2 = 2;
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static const uint8_t T3 = 3;
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static const uint8_t T4 = 4;
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static const uint8_t T5 = 5;
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static const uint8_t T6 = 6;
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static const uint8_t T7 = 7;
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static const uint8_t T8 = 8;
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static const uint8_t T9 = 9;
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static const uint8_t T10 = 10;
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static const uint8_t T11 = 11;
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static const uint8_t T12 = 12;
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static const uint8_t T13 = 13;
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static const uint8_t T14 = 14;
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static const uint8_t Vext = 45;
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static const uint8_t LED = 18;
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static const uint8_t RST_LoRa = 12;
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static const uint8_t BUSY_LoRa = 13;
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static const uint8_t DIO0 = 14;
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#endif /* Pins_Arduino_h */
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@ -5,4 +5,7 @@ build_flags =
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${esp32s3_base.build_flags} -D HELTEC_WIRELESS_PAPER -I variants/heltec_wireless_paper
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lib_deps =
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${esp32s3_base.lib_deps}
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zinggjm/GxEPD2@^1.5.2
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https://github.com/ixt/GxEPD2#39f325b677713eb04dfcc83b8e402e77523fb8bf
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adafruit/Adafruit BusIO@^1.13.2
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lewisxhe/PCF8563_Library@^1.0.1
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upload_speed = 115200
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@ -15,7 +15,16 @@
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#define PIN_EINK_SCLK 3
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#define PIN_EINK_MOSI 2
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#define VEXT_ENABLE Vext // active low, powers the oled display and the lora antenna boost
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/*
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* SPI interfaces
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*/
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#define SPI_INTERFACES_COUNT 2
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#define PIN_SPI_MISO 10 // MISO P0.17
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#define PIN_SPI_MOSI 11 // MOSI P0.15
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#define PIN_SPI_SCK 9 // SCK P0.13
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#define VEXT_ENABLE 45 // active low, powers the oled display and the lora antenna boost
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#define BUTTON_PIN 0
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#define BATTERY_PIN 1 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
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