7167 Owner’s Manual
Chapter 6: Commands
November 2002
215
Get Firmware CRC
ASCII:
GS ACK
Hexadecimal:
1D 06
Decimal:
29 6
Causes the printer to calculate the CRC for the currently selected sector and transmits the
result. This is performed normally after downloading a sector to verify that the
downloaded firmware is correct. The printer also calculates the CRC for each sector
during power up and halts the program if any sector is erroneous.
The printer transmits ACK if the calculated CRC is correct for the selected sector; NAK if
the CRC is incorrect or if no sector is selected.
Example:
MSComm1.Output = Chr$(&H1D) & Chr$(&H06)
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>
Example:
MSComm1.Output = Chr$(&H1D) & Chr$(&H07)
Erase the Flash Memory
ASCII:
GS SO
Hexadecimal:
1D 0E
Decimal:
29 14
Causes the entire Flash Memory (except the boot) to be erased.
The printer returns ACK if the command is successful; NAK if it is unsuccessful.
Example:
MSComm1.Output = Chr$(&H1D) & Chr$(&H0E)
Exceptions:
Summary of Contents for 7167
Page 34: ...7167 Owner s Manual Chapter 2 Setting Up and Using the Printer November 2002 24...
Page 39: ...7167 Owner s Manual Chapter 2 Setting Up and Using the Printer November 2002 29...
Page 41: ...7167 Owner s Manual Chapter 2 Setting Up and Using the Printer November 2002 31...
Page 244: ...7167 Owner s Manual Appendix A Specifications November 2002 214...
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