Serial port COM working now

[acjacques]

Code: QB64: [Select]

1. 'ACJacques transmit & receive serial working  tested up to  115200  tested also to connect to onboard PC Bluetooth port COM9 with success
2. 'but could not connect to  COM15  (TTl-USB Serial converter) although it is available for other programs.
3. DIM bytestr AS STRING * 1 'one byte transfers
4. INPUT "COM port number #", port$ 'any COM port number available  'not ANY. See above
5. OPEN "COM" + port$ + ":115200,N,8,1,BIN,CS0,DS0" FOR RANDOM AS #1
6. DO 'main loop
7.     'receive data in buffer when LOC > 0
8.     IF LOC(1) THEN
9.         GET #1, , bytestr
10.         PUT #1, , bytestr 'echo on same COM port
11.         PRINT bytestr; 'print in the QB64 screen
12.     END IF
13.     'transmit (send)    'send by keyboard
14.     k$ = INKEY$
15.     IF LEN(k$) = 1 THEN
16.         k = ASC(k$)
17.         IF k >= 32 THEN 'ignore control key codes
18.             PRINT k$; 'print in the QB64 screen
19.             bytestr = k$
20.             PUT #1, , bytestr 'send to COM port
21.         END IF
22.     END IF
23. LOOP UNTIL k$ = CHR$(27)
24. CLOSE #1: PRINT "Finished!"
25.