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@@ -1,240 +1,251 @@
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-#ifdef SPS_SERIAL_PRG
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-#ifdef __AVR_ATtiny861__
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-#define BAUDRATE 9600
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-#endif
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-
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-#ifdef __AVR_ATtiny84__
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-#define BAUDRATE 9600
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-#endif
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-
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-#ifdef __AVR_ATmega328P__
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-#define BAUDRATE 9600
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-#endif
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-
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-void serialPrg() {
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- byte value;
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- bool endOfPrg = false;
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- bool endOfFile = false;
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- byte data[32];
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- word readAddress;
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- int crc, readcrc;
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- byte count;
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- byte type;
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-
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- addr = 0;
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- Serial.end();
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- Serial.begin(BAUDRATE);
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- Serial.println();
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-#ifdef __AVR_ATtiny84__
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- Serial.println("TinySPS");
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-#endif
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-#ifdef __AVR_ATmega328P__
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- Serial.println("ArduinoSPS");
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-#endif
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- Serial.println("waiting for command:");
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- Serial.println("w: write HEX file, r: read EPPROM, e: end");
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- while (!endOfPrg) {
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- while (Serial.available() > 0) {
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- // look for the next valid integer in the incoming serial stream:
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- char myChar = Serial.read();
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- if (myChar == 'w') {
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- // hexfile is comming to programm
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- endOfFile = false;
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- Serial.println("ready");
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- addr = 0;
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- do {
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- for (byte i = 0; i < 8; i++) {
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- data[i] = 0xFF;
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- }
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- do {
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- c = getNextChar();
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- } while (!(c == ':'));
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-
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-#ifdef debug
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- Serial.print(".");
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-#endif
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- // read counter
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- c = getNextChar();
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- count = hexToByte(c) << 4;
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- c = getNextChar();
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- count += hexToByte(c);
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-#ifdef debug
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- printHex8(count);
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-#endif
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-
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- crc = count;
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-#ifdef debug
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- Serial.print(".");
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-#endif
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- // address
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- c = getNextChar();
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- readAddress = hexToByte(c) << 12;
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- c = getNextChar();
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- readAddress += hexToByte(c) << 8;
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- c = getNextChar();
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- readAddress += hexToByte(c) << 4;
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- c = getNextChar();
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- readAddress += hexToByte(c);
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-
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-#ifdef debug
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- printHex16(readAddress);
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-#endif
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-
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- crc += readAddress >> 8;
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- crc += readAddress & 0x00FF;
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-#ifdef debug
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- Serial.print(".");
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-#endif
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-
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- // reading data type
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- c = getNextChar();
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- type = hexToByte(c) << 4;
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- c = getNextChar();
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- type += hexToByte(c);
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-#ifdef debug
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- printHex8(type);
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-#endif
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-
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- crc += type;
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-
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-#ifdef debug
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- Serial.print(".");
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-#endif
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-
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- if (type == 0x01) {
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- endOfFile = true;
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- }
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-
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- // read data bytes
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- for (byte x = 0; x < count; x++) {
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- c = getNextChar();
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- value = hexToByte(c) << 4;
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- c = getNextChar();
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- value += hexToByte(c);
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-
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-#ifdef debug
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- printHex8(value);
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- Serial.print(".");
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-#endif
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-
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- data[x] = value;
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- crc += value;
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- }
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- // read CRC
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- c = getNextChar();
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- readcrc = hexToByte(c) << 4;
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- c = getNextChar();
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- readcrc += hexToByte(c);
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-
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-#ifdef debug
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- printHex8(readcrc);
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- Serial.print(".");
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-#endif
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-
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-
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- crc += readcrc;
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- // check CRC
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- value = crc & 0x00FF;
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-#ifdef debug
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- printHex8(value);
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-#endif
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-
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- if (value == 0) {
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- Serial.print("ok");
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- // adding value to EEPROM
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- for (byte x = 0; x < count; x++) {
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- EEPROM.write(readAddress + x, data[x]);
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- }
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- } else {
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- Serial.println(", CRC Error");
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- endOfFile = true;
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- }
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-
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- Serial.println();
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- } while (!(endOfFile));
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- Serial.println("endOfFile");
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- }
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- if (myChar == 'r') {
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- // write eeprom as hexfile to receiver
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- Serial.println("EEPROM data:");
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- int checksum = 0;
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- for (int addr = 0; addr <= E2END; addr++) {
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- value = EEPROM.read(addr);
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- if ((addr % 8) == 0) {
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- printCheckSum(checksum);
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- checksum = 0;
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- Serial.print(":08");
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- checksum += 0x08;
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- printHex16(addr);
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- checksum += (addr >> 8);
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- checksum += (addr & 0x00FF);
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- Serial.print("00");
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- }
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- printHex8(value);
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- checksum += value;
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- }
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- printCheckSum(checksum);
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- // ending
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- Serial.println(":00000001FF");
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- }
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- if (myChar == 'e') {
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- // end of programm
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- endOfPrg = true;
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- }
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- }
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- }
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- Serial.println("end");
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- Serial.end();
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- doReset();
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-}
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-
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-char getNextChar() {
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- while (!Serial.available()) {
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- }
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- return Serial.read();
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-}
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-
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-void printCheckSum(int value) {
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- int checksum = value & 0xFF;
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- checksum = (checksum ^ 0xFF) + 1;
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- printHex8(checksum);
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- Serial.println();
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-}
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-
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-void printHex8(int num) {
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- char tmp[3];
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- tmp[0] = nibbleToHex(num >> 4);
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- tmp[1] = nibbleToHex(num);
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- tmp[2] = 0x00;
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- Serial.print(tmp);
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-}
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-
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-void printHex16(int num) {
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- char tmp[5];
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- tmp[0] = nibbleToHex(num >> 12);
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- tmp[1] = nibbleToHex(num >> 8);
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- tmp[2] = nibbleToHex(num >> 4);
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- tmp[3] = nibbleToHex(num);
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- tmp[4] = 0x00;
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- Serial.print(tmp);
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-}
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-
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-byte hexToByte (char c) {
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- if ( (c >= '0') && (c <= '9') ) {
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- return c - '0';
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- }
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- if ( (c >= 'A') && (c <= 'F') ) {
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- return (c - 'A') + 10;
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- }
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-}
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-
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-byte nibbleToHex (byte value) {
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- byte c = value & 0x0F;
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- if ( (c >= 0) && (c <= 9) ) {
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- return c + '0';
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- }
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- if ( (c >= 10) && (c <= 15) ) {
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- return (c + 'A') - 10;
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- }
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-}
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+#ifdef SPS_SERIAL_PRG
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+#ifdef __AVR_ATtiny861__
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+#define BAUDRATE 9600
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+#endif
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+
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+#ifdef __AVR_ATtiny84__
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+#define BAUDRATE 9600
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+#endif
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+
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+#ifdef __AVR_ATmega328P__
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+#define BAUDRATE 9600
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+#endif
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+
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+void initSerialPrg() {
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+ Serial.end();
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+ Serial.begin(BAUDRATE);
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+ Serial.println();
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+}
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+
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+void sendHeader() {
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+#ifdef __AVR_ATtiny84__
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+ Serial.println("TinySPS");
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+#endif
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+#ifdef __AVR_ATmega328P__
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+ Serial.println("ArduinoSPS");
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+#endif
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+ Serial.print("max prg size:");
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+ Serial.print(STORESIZE, HEX);
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+ Serial.println();
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+ Serial.println("waiting for command:");
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+ Serial.println("w: write HEX file, r: read EPPROM, e: end");
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+}
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+
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+void serialPrg() {
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+ byte value;
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+ bool endOfPrg = false;
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+ bool endOfFile = false;
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+ byte data[32];
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+ word readAddress;
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+ int crc, readcrc;
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+ byte count;
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+ byte type;
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+
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+ addr = 0;
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+ sendHeader();
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+ while (!endOfPrg) {
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+ while (Serial.available() > 0) {
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+ // look for the next valid integer in the incoming serial stream:
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+ char myChar = Serial.read();
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+ if (myChar == 'w') {
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+ // hexfile is comming to programm
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+ endOfFile = false;
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+ Serial.println("ready");
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+ addr = 0;
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+ do {
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+ for (byte i = 0; i < 8; i++) {
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+ data[i] = 0xFF;
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+ }
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+ do {
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+ c = getNextChar();
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+ } while (!(c == ':'));
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+
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+#ifdef debug
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+ Serial.print(".");
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+#endif
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+ // read counter
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+ c = getNextChar();
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+ count = hexToByte(c) << 4;
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+ c = getNextChar();
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+ count += hexToByte(c);
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+#ifdef debug
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+ printHex8(count);
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+#endif
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+
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+ crc = count;
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+#ifdef debug
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+ Serial.print(".");
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+#endif
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+ // address
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+ c = getNextChar();
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+ readAddress = hexToByte(c) << 12;
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+ c = getNextChar();
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+ readAddress += hexToByte(c) << 8;
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+ c = getNextChar();
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+ readAddress += hexToByte(c) << 4;
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+ c = getNextChar();
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+ readAddress += hexToByte(c);
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+
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+#ifdef debug
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+ printHex16(readAddress);
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+#endif
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+
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+ crc += readAddress >> 8;
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+ crc += readAddress & 0x00FF;
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+#ifdef debug
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+ Serial.print(".");
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+#endif
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+
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+ // reading data type
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+ c = getNextChar();
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+ type = hexToByte(c) << 4;
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+ c = getNextChar();
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+ type += hexToByte(c);
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+#ifdef debug
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+ printHex8(type);
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+#endif
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+
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+ crc += type;
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+
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+#ifdef debug
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+ Serial.print(".");
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+#endif
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+
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+ if (type == 0x01) {
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+ endOfFile = true;
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+ }
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+
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+ // read data bytes
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+ for (byte x = 0; x < count; x++) {
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+ c = getNextChar();
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+ value = hexToByte(c) << 4;
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+ c = getNextChar();
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+ value += hexToByte(c);
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+
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+#ifdef debug
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+ printHex8(value);
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+ Serial.print(".");
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+#endif
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+
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+ data[x] = value;
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+ crc += value;
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+ }
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+ // read CRC
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+ c = getNextChar();
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+ readcrc = hexToByte(c) << 4;
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+ c = getNextChar();
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+ readcrc += hexToByte(c);
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+
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+#ifdef debug
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+ printHex8(readcrc);
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+ Serial.print(".");
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+#endif
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+
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+
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+ crc += readcrc;
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+ // check CRC
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+ value = crc & 0x00FF;
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+#ifdef debug
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+ printHex8(value);
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+#endif
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+
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+ if (value == 0) {
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+ Serial.print("ok");
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|
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+ // adding value to EEPROM
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+ for (byte x = 0; x < count; x++) {
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+ EEPROM.write(readAddress + x, data[x]);
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+ }
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+ } else {
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+ Serial.println(", CRC Error");
|
|
|
|
+ endOfFile = true;
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ Serial.println();
|
|
|
|
+ } while (!(endOfFile));
|
|
|
|
+ Serial.println("endOfFile");
|
|
|
|
+ }
|
|
|
|
+ if (myChar == 'r') {
|
|
|
|
+ // write eeprom as hexfile to receiver
|
|
|
|
+ Serial.println("EEPROM data:");
|
|
|
|
+ int checksum = 0;
|
|
|
|
+ for (int addr = 0; addr <= E2END; addr++) {
|
|
|
|
+ value = EEPROM.read(addr);
|
|
|
|
+ if ((addr % 8) == 0) {
|
|
|
|
+ printCheckSum(checksum);
|
|
|
|
+ checksum = 0;
|
|
|
|
+ Serial.print(":08");
|
|
|
|
+ checksum += 0x08;
|
|
|
|
+ printHex16(addr);
|
|
|
|
+ checksum += (addr >> 8);
|
|
|
|
+ checksum += (addr & 0x00FF);
|
|
|
|
+ Serial.print("00");
|
|
|
|
+ }
|
|
|
|
+ printHex8(value);
|
|
|
|
+ checksum += value;
|
|
|
|
+ }
|
|
|
|
+ printCheckSum(checksum);
|
|
|
|
+ // ending
|
|
|
|
+ Serial.println(":00000001FF");
|
|
|
|
+ }
|
|
|
|
+ if (myChar == 'e') {
|
|
|
|
+ // end of programm
|
|
|
|
+ endOfPrg = true;
|
|
|
|
+ }
|
|
|
|
+ if (myChar == 'h') {
|
|
|
|
+ sendHeader();
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ }
|
|
|
|
+ Serial.println("end");
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+char getNextChar() {
|
|
|
|
+ while (!Serial.available()) {
|
|
|
|
+ }
|
|
|
|
+ return Serial.read();
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+void printCheckSum(int value) {
|
|
|
|
+ int checksum = value & 0xFF;
|
|
|
|
+ checksum = (checksum ^ 0xFF) + 1;
|
|
|
|
+ printHex8(checksum);
|
|
|
|
+ Serial.println();
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+void printHex8(int num) {
|
|
|
|
+ char tmp[3];
|
|
|
|
+ tmp[0] = nibbleToHex(num >> 4);
|
|
|
|
+ tmp[1] = nibbleToHex(num);
|
|
|
|
+ tmp[2] = 0x00;
|
|
|
|
+ Serial.print(tmp);
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+void printHex16(int num) {
|
|
|
|
+ char tmp[5];
|
|
|
|
+ tmp[0] = nibbleToHex(num >> 12);
|
|
|
|
+ tmp[1] = nibbleToHex(num >> 8);
|
|
|
|
+ tmp[2] = nibbleToHex(num >> 4);
|
|
|
|
+ tmp[3] = nibbleToHex(num);
|
|
|
|
+ tmp[4] = 0x00;
|
|
|
|
+ Serial.print(tmp);
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+byte hexToByte (char c) {
|
|
|
|
+ if ( (c >= '0') && (c <= '9') ) {
|
|
|
|
+ return c - '0';
|
|
|
|
+ }
|
|
|
|
+ if ( (c >= 'A') && (c <= 'F') ) {
|
|
|
|
+ return (c - 'A') + 10;
|
|
|
|
+ }
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+byte nibbleToHex (byte value) {
|
|
|
|
+ byte c = value & 0x0F;
|
|
|
|
+ if ( (c >= 0) && (c <= 9) ) {
|
|
|
|
+ return c + '0';
|
|
|
|
+ }
|
|
|
|
+ if ( (c >= 10) && (c <= 15) ) {
|
|
|
|
+ return (c + 'A') - 10;
|
|
|
|
+ }
|
|
|
|
+}
|
|
#endif
|
|
#endif
|