CognitiveTPG A798 Instruction Manual Page 102
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Chapter 4: Programming Commands102
Revision C 12/09
A798-PG00001C
Return main program ash CRC
ASCII GS SI
Hexadecimal 1D 0F
Decimal 29 15
Returns the CRC calculated over the ash rmware code space.
The format of the response is ACK <low byte> <high byte>.
Erase selected ash sector
ASCII GS DLE n
Hexadecimal 1D 10 n
Decimal 29 16 n
Value and range of n: 0–7 = 512k bytes ash
0–15 = 1M bytes ash
0–31 = 2M bytes ash
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.
Download to active ash sector
ASCII GS DC1 aL aH cL cH d1… dn
Hexadecimal 1D 11 aL aH cL cH d1… dn
Decimal 29 17 aL aH cL cH d1… dn
Value of aL: low byte of the address
Value of aH: high byte of the address
Value of cL: low byte of the count
Value of cH: high byte of the count
Value of d: data bytes, 0–255
Value of n (for number of data bytes) Range of address (aL aH) Range of count (cL cH)
((cH * 256) + cL) 0000–FFFF (hexadecimal) 0001–FFFF (hexadecimal)
Range: Addresses run from 0 to 64K.
Contains a start address (aH x 256 + aL) and count (cH x 256 + cL) of binary bytes to load into the selected sector,
followed by that many bytes. The start address is relative to the start of the sector. Addresses run from 0 to 64K.
The count must always be 256.
The printer may return one of several responses. ACK means that the data was written correctly and the host should
transmit the next block. NAK means that, for some reason, the data was not written correctly. This could mean that
communications failed or that the write to ash failed. The alternatives seem to be to retry the block or halt loading and
assume a hardware failure.
Related information
Available only in download mode.
Reset rmware
ASCII GS (SPACE)
Hexadecimal 1D FF
Decimal 29 255
Ends the load process and reboots the printer. Before executing this command, the printer should have rmware loaded
and external switches set to the runtime settings. Application software for downloading should prompt the user to set the
external switches and conrm before sending this command. If the downloading was started from a diagnostic, the reboot
will cause the printer to re-enter download state unless the external switches are changed.
- Programming Guide 1
- Contents 3
- 4 Revision C 12/09 4
- 6 Revision C 12/09 6
- 8 Revision C 12/09 8
- A798 Programming Guide 10
- Chapter 1: About this Guide 10
- Revision C 12/09 10
- A798-PG00001C 10
- Start-up Diagnostics 11
- Runtime diagnostics 12
- Remote diagnostics 12
- Comm Class” 13
- Indicators 14
- Printer conguration 15
- Conguring the printer 16
- Communication interface 17
- Diagnostic modes 18
- Printer emulations 19
- Overview of commands 23
- Comparison to A793 23
- Character appearance 25
- Print zones 25
- Rotated printing commands 26
- Emulation modes 27
- Commands listed by function 29
- Text characteristics 30
- Graphics 31
- Bar codes 32
- Page mode 32
- User data storage 32
- Command conventions 33
- Command descriptions 34
- Generate tone 35
- Initialize printer 35
- Select cut mode and cut paper 38
- Print test form 38
- Print and paper feed 39
- Add n extra dot rows 40
- Print and feed paper 41
- Print and feed n lines 41
- Horizontal tab 42
- Set column 42
- Set vertical line spacing 44
- Set horizontal tab positions 44
- Set relative print position 45
- To move to the left: 45
- Select justication 46
- Set left margin 46
- Set printing area width 47
- Text characteristics commands 48
- Select pitch (column width) 49
- Select print mode 50
- 51
- Cancel user-dened character 53
- Select or cancel italic print 54
- Select character size 57
- Select bit image mode 60
- Print Flash Logo 62
- Dene Flash Logos 62
- Select the current logo 62
- Dene downloaded bit image 63
- Print downloaded bit image 64
- Print raster graphics 65
- Status command introduction 65
- Batch mode 65
- Transmit paper sensor status 67
- Transmit printer ID 68
- Transmit status 71
- Send printer software version 72
- Real time commands 73
- Moving data through the buer 74
- Real time status transmission 74
- Real time request to printer 77
- Real time commands disabled 78
- Unsolicited status mode 79
- Print bar code 84
- Print multiple barcodes 85
- 29 107 n d1... 00 87
- 29 107 m nL nH d1... dn 87
- Select PDF 417 parameters 88
- Select bar code width 89
- Sample symbol description: 89
- Select page mode 91
- Select standard mode 92
- Set print area in page mode 93
- Execute macro 95
- Erase user ash sector 99
- Flash download 100
- Get rmware CRC 101
- Return microprocessor CRC 101
- Erase selected ash sector 102
- Reset rmware 102
- Return main program ash CRC 102
- Appendix A: 104
- Appendix B: 108
- Resident Character Sets 108
- Code page 737 (Greek) 109
- Code page 850 (Multilingual) 110
- Code page 852 (Slavic) 111
- Code page 857 (Turkish) 112
- Code page 860 (Portuguese) 114
- Code page 862 (Hebrew) 115
- Code page 865 (Nordic) 117
- Code page 866 (Cyrillic) 118
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