//**** ATMEL AVR - A P P L I C A T I O N   N O T E  ************************
//*
//* Title:		AVR068 - STK500 Communication Protocol
//* Filename:		command.h
//* Version:		1.0
//* Last updated:	31.01.2005
//*
//* Support E-mail:	avr@atmel.com
//*
//The communication between the STK500 and the PC is done over RS232 
//(PC COM port). The STK500 uses: 115.2kbps, 8 data bits, 1stop bits,
// no parity. The PC should be set up similarly for the communication to work.
//**************************************************************************

// *****************[ STK message constants ]***************************

#define MESSAGE_START                       0x1B        //= ESC = 27 decimal
#define TOKEN                               0x0E

// *****************[ STK general command constants ]**************************

#define CMD_SIGN_ON                         0x01
#define CMD_SET_PARAMETER                   0x02
#define CMD_GET_PARAMETER                   0x03
#define CMD_SET_DEVICE_PARAMETERS           0x04
#define CMD_OSCCAL                          0x05
#define CMD_LOAD_ADDRESS                    0x06
#define CMD_FIRMWARE_UPGRADE                0x07



// *****************[ STK status constants ]***************************

// Success
#define STATUS_CMD_OK                       0x00

// Warnings
#define STATUS_CMD_TOUT                     0x80
#define STATUS_RDY_BSY_TOUT                 0x81
#define STATUS_SET_PARAM_MISSING            0x82

// Errors
#define STATUS_CMD_FAILED                   0xC0
#define STATUS_CKSUM_ERROR                  0xC1
#define STATUS_CMD_UNKNOWN                  0xC9

// *****************[ STK parameter constants ]***************************
#define PARAM_BUILD_NUMBER_LOW              0x80
#define PARAM_BUILD_NUMBER_HIGH             0x81
#define PARAM_HW_VER                        0x90
#define PARAM_SW_MAJOR                      0x91
#define PARAM_SW_MINOR                      0x92
#define PARAM_VTARGET                       0x94
#define PARAM_VADJUST                       0x95
#define PARAM_OSC_PSCALE                    0x96
#define PARAM_OSC_CMATCH                    0x97
#define PARAM_SCK_DURATION                  0x98
#define PARAM_TOPCARD_DETECT                0x9A
#define PARAM_STATUS                        0x9C
#define PARAM_DATA                          0x9D
#define PARAM_RESET_POLARITY                0x9E
#define PARAM_CONTROLLER_INIT               0x9F

// *****************[ STK answer constants ]***************************

#define ANSWER_CKSUM_ERROR                  0xB0