Chapter 5: Programming commands
126
A776 (B780) Programming Guide
A776-PG00001 D 07/13
Return microprocessor CRC
ASCII
GS BEL
Hexadecimal
1D 07
Decimal
29 7
Returns the CRC calculated over the boot sector code space.
Formulas
ACK <low byte> <high byte>
Erase all flash contents except boot sector
ASCII
GS SO
Hexadecimal
1D 0E
Decimal
29 14
Causes the entire flash memory to be erased.
The printer returns ACK if the command is successful; NAK if it is unsuccessful.
Exceptions
Available only in download mode.
Return main program flash CRC
ASCII
GS SI
Hexadecimal
1D 0F
Decimal
29 15
Returns the CRC calculated over the flash firmware
code space.
The format of the response is ACK <low byte> <high byte>.
Erase selected flash sector
ASCII
GS DLE
n
Hexadecimal
1D 10
n
Decimal
29 16
n
Value and range of
n:
0–7 = 512k bytes flash
0–15 = 1M bytes flash
0–31 = 2M bytes flash
Erases the previously selected sector. The printer transmits ACK when the sector has been erased. If the previous sector
is not successfully erased, or if no sector was selected, the printer transmits NAK.
Exceptions
Available only in download mode.
Summary of Contents for A776 ColorPOS
Page 12: ...Contents x A776 B780 Programming Guide A776 PG00001 D 07 13...
Page 14: ...Chapter 1 About this Guide 2 A776 B780 Programming Guide A776 PG00001 D 07 13...
Page 172: ...Code page 1255 Hebrew...
Page 173: ...Code page KZ_1048 Kazakh Code Page KZ_1048 Kazakh...
Page 174: ...Appendix C Electronic Journal 162 A776 B780 Programming Guide A776 PG00001 D 07 13...
Page 179: ......
Page 180: ...A776 PG00001 Rev D 07 2013...