Remote-processing CAMBASIC Manuel d'utilisateur télécharger pdf (Page 117)

Commands - 84

ON COM$

Tasking Statement

SYNTAX: ON COM$ n GOS UB line/label

ON COM$ n GOSUB

PURPOSE: To define a program branch when a task defined by the CONFIG COM$ statement becom es valid.

REMARK S: After defining all the parameters with CONFIG COM$ the ON C OM$ activates the task. You can

deactivate the task by executing the same statement but w ithout a line numb er after G OSU B.

n = legal serial port number.

See the Multitasking Chapter for more information.

RELATED: CLEAR COM$, COM$, CONFIG COM$

EXAMPLE: 10 CONFIG COM$ 2,0,8,0,1

20 ON COM$ 1 GOSUB 80

30 'your program goes here

80 PRINT COM$(2)

90 RETURN

In this example the program will branch when 8 char acters have been received. The XON and

XOFF protocol functions are disabled via CONF IG COM $ statement. All characters w ill be echoed.

ERROR: < Data negative> – n

< Data out of range> – if n is not a legal serial port number

< Can’t compile> – if line/label does not exist

1 2 ... 112 113 114 115 116 117 118 119 120 121 122 ... 207 208

Pas de commentaire

Remote-processing CAMBASIC Manuel d'utilisateur Page 117