Atmel ATSTK500 500 Starter kit and development system. ATSTK500 ATSTK500 Hoja De Datos

 

2591C-AVR-06/06 

Answers that don’t correspond to a specific command. 

This is an answer generated by the transport layer, indicating that a message with 
incorrect checksum has been received. 

Table 5-69. Answer format 

Command ID 

1 byte 

ANSWER_CKSUM_ERROR 

Answer id 

Status 1 

byte 

ANSWER_CKSUM_ERROR 

A status value indicating 
checksum error 

This section describes all possible return values and their meaning in detail. 

Table 5-70. Success return value 

STATUS_CMD_OK 

Command executed OK 

All warnings have MSB set to 1 and MSB-1 set to 0. 

Table 5-71. Warning return values 

STATUS_CMD_TOUT 

Command timed out 

STATUS_RDY_BSY_TOUT 

Sampling of the RDY/nBSY pin timed out 

STATUS_SET_PARAM_MISSING 

The ‘Set Device Parameters’ have not been executed in 
advance of this command 

All errors have MSB and MSB-1 set to 1. 

Table 5-72. Error return values 

STATUS_CMD_FAILED Command 

failed 

STATUS_CKSUM_ERROR Checksum 

Error 

STATUS_CMD_UNKNOWN Unknown 

command