adding cat printer code

MEMENTO/Memento_Cat_Printer/CatGFX.cpp

@@ -0,0 +1,271 @@
+// SPDX-FileCopyrightText: 2022 Claus Näveke
+//
+// SPDX-License-Identifier: Unlicense
+// https://github.com/TheNitek/CatGFX
+
+#include "CatGFX.h"
+
+CatPrinter::CatPrinter(uint16_t h): 
+  Adafruit_GFX(384, h),
+  WIDTH_BYTE((WIDTH + 7)/8),
+  SERVICE_UUID("0000AE30-0000-1000-8000-00805F9B34FB"),
+  CHAR_UUID_DATA("0000AE01-0000-1000-8000-00805F9B34FB")
+{
+  if (this->NAME_ARRAY_SIZE >= 5)
+  {
+    strcpy(this->printerNames[0], "GT01");
+    strcpy(this->printerNames[1], "GB01");
+    strcpy(this->printerNames[2], "GB02");
+    strcpy(this->printerNames[3], "MX09");
+    strcpy(this->printerNames[4], "MX06");
+    for (int i = 4; i < this->NAME_ARRAY_SIZE; i ++)
+    strcpy(this->printerNames[i], "");
+  }
+  else if (this->NAME_ARRAY_SIZE >= 1)
+    strcpy(this->printerNames[0], "");
+}
+
+void CatPrinter::begin(byte *buffer, uint16_t size) {
+  pixelBuffer = buffer;
+  pixelBufferSize = size;
+
+  BLEDevice::init("ESP32");
+  bleScan->setAdvertisedDeviceCallbacks(this);
+  bleScan->setActiveScan(true);
+}
+
+void CatPrinter::fillBuffer(const byte value) {
+  if (pixelBuffer != nullptr)
+    memset(pixelBuffer, value, pixelBufferSize);
+}
+
+bool CatPrinter::connect(void) {
+  bleScan->start(5);
+  if(blePrinterAddress == nullptr) {
+    return false;
+  }
+  return connect(*blePrinterAddress);
+}
+
+bool CatPrinter::connect(BLEAddress &address) {
+  if(!bleClient->connect(address)) {
+    Serial.println("Connect failed");
+    return false;
+  }
+
+  BLERemoteService* pRemoteService = bleClient->getService(SERVICE_UUID);
+  if(pRemoteService != nullptr) {
+    pRemoteCharacteristicData = pRemoteService->getCharacteristic(CHAR_UUID_DATA);
+    if(pRemoteCharacteristicData != nullptr) {
+      Serial.println("Got data transfer characteristic!");
+      return true;
+    }
+  }
+  else {
+      bleClient->disconnect();
+      Serial.println("Data service not found");
+  }
+  return false;
+}
+
+void CatPrinter::disconnect(void) {
+  bleClient->disconnect();
+
+  if(blePrinterAddress != nullptr) {
+    delete blePrinterAddress;
+    blePrinterAddress = nullptr;
+  }
+}
+
+void CatPrinter::sendLine(const byte *data, const uint8_t len, const bool compressed) {
+  //Serial.println("send line..");
+  if(compressed) {
+    //Serial.println("compressed");
+    byte comp[WIDTH_BYTE] = {0};
+    uint8_t cb = 0;
+
+    // Get color of first pixel
+    comp[0] = data[0] & 0x80;
+
+    for (uint16_t i=0; i<len; i++) {
+      for(uint8_t j=0; j<8; j++) {
+        if(((data[i] >> (7-j)) & 0x01) != (comp[cb] >> 7) || ((comp[cb] & 0x7F) == 0x7F)) {
+          cb++;
+          if(cb >= WIDTH_BYTE) {
+            // Not a compressable line, so dont
+            sendLine(data, len, false);
+            return;
+          }
+          comp[cb] = ((data[i] >> (7-j)) & 0x01) << 7;
+        }
+        comp[cb]++;
+      }
+    }
+    cb++;
+    sendCmd(CatPrinter::Cmd::PRINT_COMPRESSED, comp, cb);
+  } else  {
+    //Serial.println("not compressed");
+    byte buff[WIDTH_BYTE];
+  //delay(200);
+    for (uint8_t i=0; i<len; i++) {
+      buff[i] = MIRROR_TABLE[data[i]];
+    }
+  //Serial.println("sending command..");
+    sendCmd(CatPrinter::Cmd::PRINT, buff, len);
+  delay(10);
+  }
+}
+
+void CatPrinter::feed(uint8_t lines) {
+  byte data[] = {lines, 0};
+  sendCmd(CatPrinter::Cmd::PAPER_FEED,  data, sizeof(data));
+}
+
+void CatPrinter::printBuffer(void) {
+  Serial.println("print buffer..");
+  startGraphics();
+
+  // Print the graphics
+  byte *s = pixelBuffer;
+  for (uint16_t y=0; y<HEIGHT; y++) {
+  //delay(10);
+    sendLine(s, WIDTH_BYTE, false);
+    s += WIDTH_BYTE;
+    // Stop if the rest of the buffer is empty
+    if(s[0] == 0 && !memcmp(s, s+1, (HEIGHT-y-1)*WIDTH_BYTE-1)) {
+      break;
+    }
+  }
+  //Serial.println("end of print buffer");
+  endGraphics();
+}
+
+void CatPrinter::onResult(BLEAdvertisedDevice advertisedDevice) {
+  //Serial.println("on result");
+  uint8_t i = 0;
+  delay(200);
+  while (i < this->NAME_ARRAY_SIZE && strcmp(this->printerNames[i], "") != 0){
+    if (strcmp(advertisedDevice.getName().c_str(), this->printerNames[i]) == 0) {
+    blePrinterAddress = new BLEAddress(advertisedDevice.getAddress());
+    Serial.print("Found Printer: ");
+    Serial.println(blePrinterAddress->toString().c_str());
+    bleScan->stop();
+        break ;
+    }
+    else
+    i ++;
+    }
+}
+
+void CatPrinter::sendCmd(const CatPrinter::Cmd cmd, const byte *data, const uint8_t len) {
+  //Serial.println("send cmd");
+    byte buffer[WIDTH_BYTE+8] = {0x51, 0x78};
+    buffer[2] = static_cast<byte>(cmd);
+    buffer[4] = len;
+    memcpy(buffer + 6, data, len);
+    buffer[6 + len] = crc(data, len);
+    buffer[6 + len + 1] = 0xFF;
+
+    writeData(buffer, len+8);
+  delay(10);
+}
+
+byte CatPrinter::crc(const byte *data, const uint8_t len) {
+  byte cs = 0;
+
+  for (uint8_t i=0; i<len; i++) {
+    cs = CRC_TABLE[(cs ^ data[i])];
+  }
+  return cs;
+}
+
+void CatPrinter::writeData(byte *data, uint8_t len) {
+  //Serial.println("write data");
+  if (!bleClient->isConnected()) {
+      return;
+  }
+
+  // Write in smaller packages, because bigger ones don't work for unkown reason
+  while (len > PACKET_SIZE) {
+    delay(2);
+      Serial.print(".");
+      pRemoteCharacteristicData->writeValue(data, PACKET_SIZE);
+      data += PACKET_SIZE;
+      len -= PACKET_SIZE;
+    //Serial.println("wrote packet, len > packet_size");
+    //delay(200);
+  }
+  if (len) {
+  delay(2);
+    pRemoteCharacteristicData->writeValue(data, len);
+  //delay(200);
+    Serial.println(".");
+  //Serial.println("wrote packet, len < packet_size");
+  }
+}
+
+void CatPrinter::startGraphics(void) {
+  Serial.println("starting graphics..");
+  byte data[2] = {0x80, 0x3E};
+  sendCmd(CatPrinter::Cmd::ENERGY, data, 2);
+  //delay(10);
+  data[0] = 0x33;
+  sendCmd(CatPrinter::Cmd::QUALITY, data, 1);
+  //delay(10);
+  data[0] = 0x00;
+  sendCmd(CatPrinter::Cmd::DRAWING_MODE, data, 1);
+  //delay(10);
+  sendCmd(CatPrinter::Cmd::LATTICE, LATTICE_START, sizeof(LATTICE_START));
+  //delay(10);
+}
+
+void CatPrinter::endGraphics(void) {
+  sendCmd(CatPrinter::Cmd::LATTICE, LATTICE_END, sizeof(LATTICE_END));
+  delay(200);
+  Serial.println("ended graphics");
+}
+
+void CatPrinter::drawPixel(int16_t x, int16_t y, uint16_t color) {
+  if ((x < 0) || (x >= width()) || (y < 0) || (y >= height())) {
+    // Out of bounds
+    return;
+  }
+  uint16_t byteNo = x/8 + (y * WIDTH_BYTE);
+  uint8_t bitNo = 7-(x%8);
+  pixelBuffer[byteNo] = (pixelBuffer[byteNo] & ~(1 << bitNo)) | ((!color ? 1 : 0) << bitNo);
+}
+
+void CatPrinter::fillScreen(uint16_t color) {
+  fillBuffer((!color ? 0xFF : 0x00));
+}
+
+void CatPrinter::resetNameArray(void)
+{
+  for (uint8_t i = 0; i < this->NAME_ARRAY_SIZE; i ++)
+    strcpy(this->printerNames[i], "");
+}
+
+bool CatPrinter::addNameArray(char *newname)
+{
+  uint8_t i = 0;
+
+  if (strlen(newname) >= NAME_STRING_SIZE)
+    return (false);
+  while (i < this->NAME_ARRAY_SIZE)
+  {
+    if (strcmp(this->printerNames[i], "") != 0)
+      i ++;
+    else
+      break ;
+  }
+  if (i >= this->NAME_ARRAY_SIZE - 1)
+    return (false);
+  strcpy(this->printerNames[i], newname);
+  return (true);
+}
+
+void CatPrinter::printNameArray(void)
+{
+  for (uint8_t i = 0; i < NAME_ARRAY_SIZE; i ++)
+    Serial.println(this->printerNames[i]);
+}

MEMENTO/Memento_Cat_Printer/CatGFX.h

@@ -0,0 +1,121 @@
+// SPDX-FileCopyrightText: 2022 Claus Näveke
+//
+// SPDX-License-Identifier: Unlicense
+// https://github.com/TheNitek/CatGFX
+
+#include <Arduino.h>
+#include <Adafruit_GFX.h>
+#include <BLEDevice.h>
+
+class CatPrinter: public Adafruit_GFX, public BLEAdvertisedDeviceCallbacks {
+  public:
+    enum class Cmd {
+      REVERSE_FEED = 0xA0,
+      PAPER_FEED = 0xA1,
+      PRINT = 0xA2,
+      QUALITY = 0xA4,
+      LATTICE = 0xA6,
+      UPDATE = 0xA9,
+      ENERGY = 0xAF,
+      DRAWING_MODE = 0xBE,
+      PRINT_COMPRESSED = 0xBF
+    };
+  CatPrinter(uint16_t h);
+    ~CatPrinter() {
+      delete bleClient;
+    }
+    void begin(byte *buffer, uint16_t size);
+    void fillBuffer(const byte value);
+    bool connect(void);
+    bool connect(BLEAddress &address);
+    void disconnect(void);
+    void sendLine(const byte *data, const uint8_t len, const bool compressed = true);
+    void feed(uint8_t lines);
+    void printBuffer(void);
+    void sendCmd(const CatPrinter::Cmd cmd, const byte *data, const uint8_t len);
+    // GFX overrides
+    void drawPixel(int16_t x, int16_t y, uint16_t color) override;
+    void fillScreen(uint16_t color) override;
+    void startGraphics(void);
+    void endGraphics(void);
+  void resetNameArray(void);
+  bool addNameArray(char *newname);
+  void printNameArray(void);
+
+  private:
+    byte *pixelBuffer = nullptr;
+    uint16_t pixelBufferSize = 0;
+    const uint8_t PACKET_SIZE = 20;
+    const uint8_t WIDTH_BYTE = 48; // 384 pixel / 8 bits => 48 byte
+
+    const BLEUUID SERVICE_UUID;
+    const BLEUUID CHAR_UUID_DATA;
+
+    BLEAddress *blePrinterAddress = nullptr;
+    BLERemoteCharacteristic* pRemoteCharacteristicData = nullptr;
+    BLEScan *bleScan = BLEDevice::getScan();
+    BLEClient *bleClient = BLEDevice::createClient();;
+
+  //Indicates the end of the array with an empty string instead of NULL.
+  const static uint8_t NAME_ARRAY_SIZE = 6;
+  const static uint8_t NAME_STRING_SIZE = 8;
+  char printerNames[NAME_ARRAY_SIZE][NAME_STRING_SIZE];
+
+    const byte LATTICE_START[11] = {0xAA, 0x55, 0x17, 0x38, 0x44, 0x5F, 0x5F, 0x5F, 0x44, 0x38, 0x2C};
+    const byte LATTICE_END[11] = {0xAA, 0x55, 0x17, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x17};
+    const byte FEED_LINE_DATA[2] = {0x01, 0x00};
+
+    const byte CRC_TABLE[256] = {
+      0x00, 0x07, 0x0e, 0x09, 0x1c, 0x1b, 0x12, 0x15, 0x38, 0x3f, 0x36, 0x31,
+      0x24, 0x23, 0x2a, 0x2d, 0x70, 0x77, 0x7e, 0x79, 0x6c, 0x6b, 0x62, 0x65,
+      0x48, 0x4f, 0x46, 0x41, 0x54, 0x53, 0x5a, 0x5d, 0xe0, 0xe7, 0xee, 0xe9,
+      0xfc, 0xfb, 0xf2, 0xf5, 0xd8, 0xdf, 0xd6, 0xd1, 0xc4, 0xc3, 0xca, 0xcd,
+      0x90, 0x97, 0x9e, 0x99, 0x8c, 0x8b, 0x82, 0x85, 0xa8, 0xaf, 0xa6, 0xa1,
+      0xb4, 0xb3, 0xba, 0xbd, 0xc7, 0xc0, 0xc9, 0xce, 0xdb, 0xdc, 0xd5, 0xd2,
+      0xff, 0xf8, 0xf1, 0xf6, 0xe3, 0xe4, 0xed, 0xea, 0xb7, 0xb0, 0xb9, 0xbe,
+      0xab, 0xac, 0xa5, 0xa2, 0x8f, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9d, 0x9a,
+      0x27, 0x20, 0x29, 0x2e, 0x3b, 0x3c, 0x35, 0x32, 0x1f, 0x18, 0x11, 0x16,
+      0x03, 0x04, 0x0d, 0x0a, 0x57, 0x50, 0x59, 0x5e, 0x4b, 0x4c, 0x45, 0x42,
+      0x6f, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7d, 0x7a, 0x89, 0x8e, 0x87, 0x80,
+      0x95, 0x92, 0x9b, 0x9c, 0xb1, 0xb6, 0xbf, 0xb8, 0xad, 0xaa, 0xa3, 0xa4,
+      0xf9, 0xfe, 0xf7, 0xf0, 0xe5, 0xe2, 0xeb, 0xec, 0xc1, 0xc6, 0xcf, 0xc8,
+      0xdd, 0xda, 0xd3, 0xd4, 0x69, 0x6e, 0x67, 0x60, 0x75, 0x72, 0x7b, 0x7c,
+      0x51, 0x56, 0x5f, 0x58, 0x4d, 0x4a, 0x43, 0x44, 0x19, 0x1e, 0x17, 0x10,
+      0x05, 0x02, 0x0b, 0x0c, 0x21, 0x26, 0x2f, 0x28, 0x3d, 0x3a, 0x33, 0x34,
+      0x4e, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5c, 0x5b, 0x76, 0x71, 0x78, 0x7f,
+      0x6a, 0x6d, 0x64, 0x63, 0x3e, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2c, 0x2b,
+      0x06, 0x01, 0x08, 0x0f, 0x1a, 0x1d, 0x14, 0x13, 0xae, 0xa9, 0xa0, 0xa7,
+      0xb2, 0xb5, 0xbc, 0xbb, 0x96, 0x91, 0x98, 0x9f, 0x8a, 0x8d, 0x84, 0x83,
+      0xde, 0xd9, 0xd0, 0xd7, 0xc2, 0xc5, 0xcc, 0xcb, 0xe6, 0xe1, 0xe8, 0xef,
+      0xfa, 0xfd, 0xf4, 0xf3
+    };
+
+    const byte MIRROR_TABLE[256] = {
+      0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0,
+      0x30, 0xB0, 0x70, 0xF0, 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
+      0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, 0x04, 0x84, 0x44, 0xC4,
+      0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
+      0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC,
+      0x3C, 0xBC, 0x7C, 0xFC, 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,
+      0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2, 0x0A, 0x8A, 0x4A, 0xCA,
+      0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
+      0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6,
+      0x36, 0xB6, 0x76, 0xF6, 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,
+      0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE, 0x01, 0x81, 0x41, 0xC1,
+      0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
+      0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9,
+      0x39, 0xB9, 0x79, 0xF9, 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
+      0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5, 0x0D, 0x8D, 0x4D, 0xCD,
+      0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
+      0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3,
+      0x33, 0xB3, 0x73, 0xF3, 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
+      0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB, 0x07, 0x87, 0x47, 0xC7,
+      0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
+      0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF,
+      0x3F, 0xBF, 0x7F, 0xFF
+    };
+
+    void onResult(BLEAdvertisedDevice advertisedDevice) override;
+    uint8_t crc(const byte *data, const uint8_t len);
+    void writeData(byte *data, uint8_t len);
+};