Mercurial > public > hwos_code

annotate src/wait.asm @ 604:ca4556fb60b9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
bump to 2.99beta, work on 3.00 stable
author heinrichsweikamp
date Thu, 22 Nov 2018 19:47:26 +0100
parents b455b31ce022
children c40025d8e750
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
heinrichsweikamp
parents:
diff changeset
1 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
2 ;
604
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
3 ; File wait.asm V2.98c
0
heinrichsweikamp
parents:
diff changeset
4 ;
582
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
5 ; Wait routines
0
heinrichsweikamp
parents:
diff changeset
6 ;
heinrichsweikamp
parents:
diff changeset
7 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved.
heinrichsweikamp
parents:
diff changeset
8 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
9 ; HISTORY
604
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
10 ; 2004-01-31 : [chsw] initial version
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
11 ; 2007-05-11 : updated (OSTC code)
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
12 ; 2011-10-18 : [mH] timings tested with oscilloscope
582
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
13
275
653a3ab08062 rename into hwOS
heinrichsweikamp
parents: 0
diff changeset
14 #include "hwos.inc"
0
heinrichsweikamp
parents:
diff changeset
15
604
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
16 wait CODE
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
17
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
18
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
19 ; ==========================================================
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
20 ; WAIT 1 second (Warning: Do not use for time critical routines. Can be between 0 and 1 sec!)
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
21 ; ==========================================================
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
22 global wait_1s
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
23 wait_1s:
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
24 ; Wait until "next second" flag is set
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
25 bcf onesecupdate
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
26 btfss onesecupdate
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
27 bra $-2
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
28 return
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
29
0
heinrichsweikamp
parents:
diff changeset
30
582
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
31 ; =============================================================================
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
32 ; WAIT 1 MILLISECOND (Not exact: 1,008ms +/- 30,5µs + worst case ISR latency)
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
33 ; =============================================================================
0
heinrichsweikamp
parents:
diff changeset
34
582
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
35 global WAITMSX
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
36 WAITMSX:
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
37 movwf wait_counter
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
38 WAITMSX2:
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
39 setf TMR5H
604
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
40 movlw .255-.32 ; 32 x 31,5µs = 1,008ms
582
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
41 movwf TMR5L
604
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
42 bcf PIR5,TMR5IF ; clear flag
582
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
43 WAITMSX3:
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
44 btfss PIR5,TMR5IF
604
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 582
diff changeset
45 bra WAITMSX3 ; wait loop
582
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
46 decfsz wait_counter,F
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
47 bra WAITMSX2
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
48 return
0
heinrichsweikamp
parents:
diff changeset
49
heinrichsweikamp
parents:
diff changeset
50 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
51
582
b455b31ce022 work on 2.97 stable
heinrichsweikamp
parents: 275
diff changeset
52 END