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Added support for pic16f716 #4

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Added support for pic16f716 #4

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41 changes: 36 additions & 5 deletions ProgramPIC/ProgramPIC.pde
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,8 @@
#define DELAY_TPROG5 1000 // Time for program write on FLASH5 systems
#define DELAY_TFULLERA 50000 // Time for a full chip erase
#define DELAY_TFULL84 20000 // Intermediate wait for PIC16F84/PIC16F84A
#define DELAY_TPROG_45 2000 // Programming cycle for PIC16F716
#define DELAY_TDIS 100 // Time delay to next command for PIC16F716

// Commands that may be sent to the device.
#define CMD_LOAD_CONFIG 0x00 // Load (write) to config memory
Expand All @@ -56,6 +58,7 @@
#define CMD_BULK_ERASE_PROGRAM 0x09 // Bulk erase program memory
#define CMD_BULK_ERASE_DATA 0x0B // Bulk erase data memory
#define CMD_CHIP_ERASE 0x1F // Erase the entire chip
#define CMD_END_PROGRAM_45 0x0E // 16f716 end programming command

// States this application may be in.
#define STATE_IDLE 0 // Idle, device is held in the reset state
Expand All @@ -68,6 +71,7 @@ int state = STATE_IDLE;
#define FLASH 1
#define FLASH4 4
#define FLASH5 5
#define FLASH4_5 6

unsigned long pc = 0; // Current program counter.

Expand Down Expand Up @@ -98,6 +102,7 @@ const char s_pic16f627a[] PROGMEM = "pic16f627a";
const char s_pic16f628[] PROGMEM = "pic16f628";
const char s_pic16f628a[] PROGMEM = "pic16f628a";
const char s_pic16f648a[] PROGMEM = "pic16f648a";
const char s_pic16f716[] PROGMEM = "pic16f716";
const char s_pic16f882[] PROGMEM = "pic16f882";
const char s_pic16f883[] PROGMEM = "pic16f883";
const char s_pic16f884[] PROGMEM = "pic16f884";
Expand Down Expand Up @@ -145,6 +150,9 @@ struct deviceInfo const devices[] PROGMEM = {
{s_pic16f628a, 0x1060, 2048, 0x2000, 0x2100, 8, 128, 0, 0, FLASH4, EEPROM},
{s_pic16f648a, 0x1100, 4096, 0x2000, 0x2100, 8, 256, 0, 0, FLASH4, EEPROM},

// http://ww1.microchip.com/downloads/en/DeviceDoc/40245b.pdf
{s_pic16f716, 0x1140, 2048, 0x2000, 0x2100, 8, 0, 0, 0, FLASH4_5, EEPROM}, //no data (eeprom) memory

// http://ww1.microchip.com/downloads/en/DeviceDoc/41287D.pdf
{s_pic16f882, 0x2000, 2048, 0x2000, 0x2100, 9, 128, 0, 0, FLASH4, EEPROM},
{s_pic16f883, 0x2020, 4096, 0x2000, 0x2100, 9, 256, 0, 0, FLASH4, EEPROM},
Expand Down Expand Up @@ -269,7 +277,12 @@ void initDevice(const struct deviceInfo *dev)
configStart = pgm_read_dword(&(dev->configStart));
configEnd = configStart + pgm_read_word(&(dev->configSize)) - 1;
dataStart = pgm_read_dword(&(dev->dataStart));
dataEnd = dataStart + pgm_read_word(&(dev->dataSize)) - 1;
int dataSize = pgm_read_word(&(dev->dataSize));
if(dataSize == 0) {
dataEnd = dataStart;
} else {
dataEnd = dataStart + pgm_read_word(&(dev->dataSize)) - 1;
}
reservedStart = programEnd - pgm_read_word(&(dev->reservedWords)) + 1;
reservedEnd = programEnd;
configSave = pgm_read_word(&(dev->configSave));
Expand Down Expand Up @@ -846,6 +859,11 @@ void cmdErase(const char *args)
delayMicroseconds(DELAY_TERA);
sendSimpleCommand(CMD_BULK_ERASE_DATA);
break;
case FLASH4_5:
setErasePC();
sendSimpleCommand(CMD_BULK_ERASE_PROGRAM);
delayMicroseconds(DELAY_TERA);
break;
case FLASH5:
setErasePC();
sendSimpleCommand(CMD_CHIP_ERASE);
Expand Down Expand Up @@ -1093,10 +1111,17 @@ void enterProgramMode()
pinMode(PIN_CLOCK, OUTPUT);

// Raise MCLR, then VDD.
digitalWrite(PIN_MCLR, MCLR_VPP);
delayMicroseconds(DELAY_TPPDP);
digitalWrite(PIN_VDD, HIGH);
delayMicroseconds(DELAY_THLD0);
if(progFlashType == FLASH4_5 || dataStart == dataEnd) { //pic16f716
digitalWrite(PIN_VDD, HIGH);
delayMicroseconds(DELAY_THLD0);
digitalWrite(PIN_MCLR, MCLR_VPP);
delayMicroseconds(DELAY_TPPDP);
} else {
digitalWrite(PIN_MCLR, MCLR_VPP);
delayMicroseconds(DELAY_TPPDP);
digitalWrite(PIN_VDD, HIGH);
delayMicroseconds(DELAY_THLD0);
}

// Now in program mode, starting at the first word of program memory.
state = STATE_PROGRAM;
Expand Down Expand Up @@ -1302,6 +1327,12 @@ void beginProgramCycle(unsigned long addr, bool isData)
sendSimpleCommand(CMD_BEGIN_PROGRAM);
delayMicroseconds(DELAY_TPROG);
break;
case FLASH4_5:
sendSimpleCommand(CMD_BEGIN_PROGRAM_ONLY);
delayMicroseconds(DELAY_TPROG_45);
sendSimpleCommand(CMD_END_PROGRAM_45);
delayMicroseconds(DELAY_TDIS);
break;
case FLASH5:
sendSimpleCommand(CMD_BEGIN_PROGRAM_ONLY);
delayMicroseconds(DELAY_TPROG5);
Expand Down