Prusa-Firmware-Doc/Prusa-Firmware/stk500_8h_source.html

/* STK500 constants list, from AVRDUDE

 *

 * Trivial set of constants derived from Atmel App Note AVR061

 * Not copyrighted.  Released to the public domain.

 */


#define STK_OK              0x10

#define STK_FAILED          0x11  // Not used

#define STK_UNKNOWN         0x12  // Not used

#define STK_NODEVICE        0x13  // Not used

#define STK_INSYNC          0x14  // ' '

#define STK_NOSYNC          0x15  // Not used

#define ADC_CHANNEL_ERROR   0x16  // Not used

#define ADC_MEASURE_OK      0x17  // Not used

#define PWM_CHANNEL_ERROR   0x18  // Not used

#define PWM_ADJUST_OK       0x19  // Not used

#define CRC_EOP             0x20  // 'SPACE'

#define STK_GET_SYNC        0x30  // '0'

#define STK_GET_SIGN_ON     0x31  // '1'

#define STK_SET_PARAMETER   0x40  // '@'

#define STK_GET_PARAMETER   0x41  // 'A'

#define STK_SET_DEVICE      0x42  // 'B'

#define STK_SET_DEVICE_EXT  0x45  // 'E'

#define STK_ENTER_PROGMODE  0x50  // 'P'

#define STK_LEAVE_PROGMODE  0x51  // 'Q'

#define STK_CHIP_ERASE      0x52  // 'R'

#define STK_CHECK_AUTOINC   0x53  // 'S'

#define STK_LOAD_ADDRESS    0x55  // 'U'

#define STK_UNIVERSAL       0x56  // 'V'

#define STK_PROG_FLASH      0x60  // '`'

#define STK_PROG_DATA       0x61  // 'a'

#define STK_PROG_FUSE       0x62  // 'b'

#define STK_PROG_LOCK       0x63  // 'c'

#define STK_PROG_PAGE       0x64  // 'd'

#define STK_PROG_FUSE_EXT   0x65  // 'e'

#define STK_READ_FLASH      0x70  // 'p'

#define STK_READ_DATA       0x71  // 'q'

#define STK_READ_FUSE       0x72  // 'r'

#define STK_READ_LOCK       0x73  // 's'

#define STK_READ_PAGE       0x74  // 't'

#define STK_READ_SIGN       0x75  // 'u'

#define STK_READ_OSCCAL     0x76  // 'v'

#define STK_READ_FUSE_EXT   0x77  // 'w'

#define STK_READ_OSCCAL_EXT 0x78  // 'x'

#define STK_SW_MAJOR        0x81  // ' '

#define STK_SW_MINOR        0x82  // ' '


/* AVR raw commands sent via STK_UNIVERSAL */

#define AVR_OP_LOAD_EXT_ADDR  0x4d