arduino high voltage

https://arduinodiy.wordpress.com/2015/05/16/high-voltage-programmingunbricking-for-attiny/

------------Program1-------------------

// AVR High-voltage Serial Programmer // Originally created by Paul Willoughby 03/20/2010 // http://www.rickety.us/2010/03/arduino-avr-high-voltage-serial-programmer/ // Inspired by Jeff Keyzer http://mightyohm.com // Serial Programming routines from ATtiny25/45/85 datasheet  // Desired fuse configuration #define  HFUSE  0xDF   // Defaults for ATtiny25/45/85 #define  LFUSE  0x62  // For Attiny13 use // #define HFUSE 0xFF // #define LFUSE 0x6A     #define  RST     13    // Output to level shifter for !RESET from transistor to Pin 1 #define  CLKOUT  12    // Connect to Serial Clock Input (SCI) Pin 2 #define  DATAIN  11    // Connect to Serial Data Output (SDO) Pin 7 #define  INSTOUT 10    // Connect to Serial Instruction Input (SII) Pin 6 #define  DATAOUT  9    // Connect to Serial Data Input (SDI) Pin 5  #define  VCC      8    // Connect to VCC Pin 8  int inByte = 0;         // incoming serial byte Computer int inData = 0;         // incoming serial byte AVR  void setup() {   // Set up control lines for HV parallel programming   pinMode(VCC, OUTPUT);   pinMode(RST, OUTPUT);   pinMode(DATAOUT, OUTPUT);   pinMode(INSTOUT, OUTPUT);   pinMode(CLKOUT, OUTPUT);   pinMode(DATAIN, OUTPUT);  // configured as input when in programming mode      // Initialize output pins as needed   digitalWrite(RST, HIGH);  // Level shifter is inverting, this shuts off 12V      // start serial port at 9600 bps:   Serial.begin(9600);      establishContact();  // send a byte to establish contact until receiver responds     }   void loop() {   // if we get a valid byte, run:   if (Serial.available() > 0) {     // get incoming byte:     inByte = Serial.read();     Serial.println(byte(inByte));     Serial.println("Entering programming Mode\n");      // Initialize pins to enter programming mode     pinMode(DATAIN, OUTPUT);  //Temporary     digitalWrite(DATAOUT, LOW);     digitalWrite(INSTOUT, LOW);     digitalWrite(DATAIN, LOW);     digitalWrite(RST, HIGH);  // Level shifter is inverting, this shuts off 12V          // Enter High-voltage Serial programming mode     digitalWrite(VCC, HIGH);  // Apply VCC to start programming process     delayMicroseconds(20);     digitalWrite(RST, LOW);   //Turn on 12v     delayMicroseconds(10);     pinMode(DATAIN, INPUT);   //Release DATAIN     delayMicroseconds(300);          //Programming mode          readFuses();          //Write hfuse     Serial.println("Writing hfuse");     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x40, 0x4C);     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, HFUSE, 0x2C);     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x00, 0x74);     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x00, 0x7C);          //Write lfuse     Serial.println("Writing lfuse\n");     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x40, 0x4C);     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, LFUSE, 0x2C);     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x00, 0x64);     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x00, 0x6C);      readFuses();              Serial.println("Exiting programming Mode\n");     digitalWrite(CLKOUT, LOW);     digitalWrite(VCC, LOW);     digitalWrite(RST, HIGH);   //Turn off 12v   } }   void establishContact() {   while (Serial.available() <= 0) {     Serial.println("Enter a character to continue");   // send an initial string     delay(1000);   } }  int shiftOut2(uint8_t dataPin, uint8_t dataPin1, uint8_t clockPin, uint8_t bitOrder, byte val, byte val1) { int i;         int inBits = 0;         //Wait until DATAIN goes high         while (!digitalRead(DATAIN));                  //Start bit         digitalWrite(DATAOUT, LOW);         digitalWrite(INSTOUT, LOW);         digitalWrite(clockPin, HIGH);   digitalWrite(clockPin, LOW);          for (i = 0; i < 8; i++)  {                  if (bitOrder == LSBFIRST) { digitalWrite(dataPin, !!(val & (1 << i)));                         digitalWrite(dataPin1, !!(val1 & (1 << i)));                 } else { digitalWrite(dataPin, !!(val & (1 << (7 - i))));                         digitalWrite(dataPin1, !!(val1 & (1 << (7 - i))));                 }                 inBits <<=1;                 inBits |= digitalRead(DATAIN);                 digitalWrite(clockPin, HIGH); digitalWrite(clockPin, LOW);                  }                   //End bits         digitalWrite(DATAOUT, LOW);         digitalWrite(INSTOUT, LOW);         digitalWrite(clockPin, HIGH);         digitalWrite(clockPin, LOW);         digitalWrite(clockPin, HIGH);         digitalWrite(clockPin, LOW);                  return inBits; }  void readFuses(){      //Read lfuse     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x04, 0x4C);     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x00, 0x68);     inData = shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x00, 0x6C);     Serial.print("lfuses as ");     Serial.println(inData, HEX);          //Read hfuse     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x04, 0x4C);     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x00, 0x7A);     inData = shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x00, 0x7E);     Serial.print("hfuses as ");     Serial.println(inData, HEX);          //Read efuse     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x04, 0x4C);     shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x00, 0x6A);     inData = shiftOut2(DATAOUT, INSTOUT, CLKOUT, MSBFIRST, 0x00, 0x6E);     Serial.print("efuses as ");     Serial.println(inData, HEX);     Serial.println();  } 

-------------program2----------------

    // AVR High-voltage Serial Fuse Reprogrammer     // Adapted from code and design by Paul Willoughby 03/20/2010     // http://www.rickety.us/2010/03/arduino-avr-high-voltage-serial-programmer/     // Fuse Calc:     //   http://www.engbedded.com/fusecalc/      #define  RST     13    // Output to level shifter for !RESET from transistor     #define  SCI     12    // Target Clock Input     #define  SDO     11    // Target Data Output     #define  SII     10    // Target Instruction Input     #define  SDI      9    // Target Data Input     #define  VCC      8    // Target VCC      #define  HFUSE  0x747C     #define  LFUSE  0x646C     #define  EFUSE  0x666E      // Define ATTiny series signatures     #define  ATTINY13   0x9007  // L: 0x6A, H: 0xFF             8 pin     #define  ATTINY24   0x910B  // L: 0x62, H: 0xDF, E: 0xFF   14 pin     #define  ATTINY25   0x9108  // L: 0x62, H: 0xDF, E: 0xFF    8 pin     #define  ATTINY44   0x9207  // L: 0x62, H: 0xDF, E: 0xFFF  14 pin     #define  ATTINY45   0x9206  // L: 0x62, H: 0xDF, E: 0xFF    8 pin     #define  ATTINY84   0x930C  // L: 0x62, H: 0xDF, E: 0xFFF  14 pin     #define  ATTINY85   0x930B  // L: 0x62, H: 0xDF, E: 0xFF    8 pin      void setup() {       pinMode(VCC, OUTPUT);       pinMode(RST, OUTPUT);       pinMode(SDI, OUTPUT);       pinMode(SII, OUTPUT);       pinMode(SCI, OUTPUT);       pinMode(SDO, OUTPUT);     // Configured as input when in programming mode       digitalWrite(RST, HIGH);  // Level shifter is inverting, this shuts off 12V       Serial.begin(19200);     }      void loop() {        if (Serial.available() > 0) {         Serial.read();         pinMode(SDO, OUTPUT);     // Set SDO to output         digitalWrite(SDI, LOW);         digitalWrite(SII, LOW);         digitalWrite(SDO, LOW);         digitalWrite(RST, HIGH);  // 12v Off         digitalWrite(VCC, HIGH);  // Vcc On         delayMicroseconds(20);         digitalWrite(RST, LOW);   // 12v On         delayMicroseconds(10);         pinMode(SDO, INPUT);      // Set SDO to input         delayMicroseconds(300);         unsigned int sig = readSignature();         Serial.print("Signature");         Serial.println(sig, HEX);         readFuses();         if (sig == ATTINY13) {           writeFuse(LFUSE, 0x6A);           writeFuse(HFUSE, 0xFF);         } else if (sig == ATTINY24 || sig == ATTINY44 || sig == ATTINY84 ||                    sig == ATTINY25 || sig == ATTINY45 || sig == ATTINY85) {           writeFuse(LFUSE, 0x62);           writeFuse(HFUSE, 0xDF);           writeFuse(EFUSE, 0xFF);         }         readFuses();         digitalWrite(SCI, LOW);         digitalWrite(VCC, LOW);    // Vcc Off         digitalWrite(RST, HIGH);   // 12v Off       }     }      byte shiftOut (byte val1, byte val2) {       int inBits = 0;       //Wait until SDO goes high       while (!digitalRead(SDO))         ;       unsigned int dout = (unsigned int) val1 << 2;       unsigned int iout = (unsigned int) val2 << 2;        for (int ii = 10; ii >= 0; ii--)  {         digitalWrite(SDI, !!(dout & (1 << ii)));         digitalWrite(SII, !!(iout & (1 << ii)));         inBits <<= 1;         inBits |= digitalRead(SDO);          digitalWrite(SCI, HIGH);          digitalWrite(SCI, LOW);        }         return inBits >> 2;     }      void writeFuse (unsigned int fuse, byte val) {       shiftOut(0x40, 0x4C);       shiftOut( val, 0x2C);       shiftOut(0x00, (byte) (fuse >> 8));       shiftOut(0x00, (byte) fuse);     }      void readFuses () {       byte val;             shiftOut(0x04, 0x4C);  // LFuse             shiftOut(0x00, 0x68);       val = shiftOut(0x00, 0x6C);       Serial.print("LFuse       Serial.print(val, HEX);             shiftOut(0x04, 0x4C);  // HFuse             shiftOut(0x00, 0x7A);       val = shiftOut(0x00, 0x7E);       Serial.print(", HFuse: ");       Serial.print(val, HEX);             shiftOut(0x04, 0x4C);  // EFuse             shiftOut(0x00, 0x6A);       val = shiftOut(0x00, 0x6E);       Serial.print(", EFuse: ");       Serial.println(val, HEX);     }      unsigned int readSignature () {       unsigned int sig = 0;       byte val;       for (int ii = 1; ii < 3; ii++) {               shiftOut(0x08, 0x4C);               shiftOut(  ii, 0x0C);               shiftOut(0x00, 0x68);         val = shiftOut(0x00, 0x6C);         sig = (sig << 8) + val;       }       return sig;     }  ---