User's Manual

TM70Pi V3.2 (11/03) 120021.pdf. 34
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9.5.2 AVAILABLE ICONS:
The available icons for the display are:
- Battery: 43h direction. This icon is composed by other 4 icons
o Cover of the battery
o Left cell
o Central cell
o Right cell
- NEW: 2h direction. If the level is different from zero, will appear
9.5.3 DISPLAY CONTROL BY VT100
CONTROL CHARACTERS
The VT100 control characters recognized by the LCD70 display are:
- ESC (1Bh): Control character that initialises a control sequence.
- NUL (00h): Ignored on input (not stored in input buffer).
All the other control characters cause no action to be taken.
VALID CONTROL SEQUENCES
Definitions:
The following listing defines the basic elements of the ANSI mode control sequences.
1. Control Sequence Introducer (CSI): in the VT100 the CSI is ESC [
2. Parameter string: a string of parameters separated by a semicolon (3Bh)
3. Final character: a character whose bit combination terminates an escape or control
sequence (‘m’, 6Dh)
Control Sequences
- ESC [ 0 (1Bh 5Bh 30h): Control sequence to turn off all character attributes (‘0’ is the
optional, default value)
- ESC [Pn ; Pn H (1Bh 5Bh line 3Bh column 48h): moves the active position of the cursor to
the position specified by the parameters. The default condition with no parameters present
is equivalent to a cursor to home action. Lines are numbered consecutively, with the origin
being line 1, column 1. The cursor is not allowed to be positioned outside the margins
(lines 1 to 4, columns 1 to 12). A sequence with one Pn numeric parameter with a default
(0) parameter will be interpreted as wrong sequence. Example: ESC [ 2 ; 0 H or ESC [ 2 ;
H are wrong sequences !
- ESC [ 2 J (1Bh 5Bh 32h 4Ah): all lines are erased, and the cursor does not move
- ESC [ 4 (1Bh 5Bh 34h): All following characters transmitted are underscored until receiving
an escape sequence ESC [ 0 m
- ESC [ 5 (1Bh 5Bh 35h): All following characters transmitted are blink until receiving an
escape sequence ESC [ 0 m
- ESC [ 7 1Bh 5Bh 37h): All following characters transmitted are negative (reverse) image until
receiving an escape sequence ESC [ 0 m