Mercurial > public > hwos_code
annotate src/rtc.asm @ 567:4ce70e3f00be
minor
| author | heinrichsweikamp |
|---|---|
| date | Thu, 08 Feb 2018 13:23:53 +0100 |
| parents | b7eb98dbd800 |
| children | b455b31ce022 |
| rev | line source |
|---|---|
| 0 | 1 ;============================================================================= |
| 2 ; | |
| 3 ; File rtc.asm | |
| 4 ; | |
| 5 ; | |
| 6 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. | |
| 7 ;============================================================================= | |
| 8 ; HISTORY | |
| 9 ; 2011-08-08 : [mH] moving from OSTC code | |
| 10 | |
| 275 | 11 #include "hwos.inc" |
| 0 | 12 #include "math.inc" |
| 13 | |
| 14 sensors CODE | |
| 15 | |
| 16 global rtc_init | |
| 17 rtc_init: | |
| 18 movlw .1 | |
| 19 movwf secs | |
| 20 movlw .59 | |
| 21 movwf mins | |
| 22 movlw .12 | |
| 23 movwf hours | |
| 560 | 24 movlw .2 |
| 0 | 25 movwf day |
| 560 | 26 movlw .12 |
| 0 | 27 movwf month |
|
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8dfb93e80338
NEW: Deep Sleep mode for OSTC Plus and OSTC 2 (2017) (Entered automatically)
heinrichsweikamp
parents:
463
diff
changeset
|
28 movlw .17 |
| 0 | 29 movwf year |
| 463 | 30 ; rcall rtc_set_rtc ; writes mins,sec,hours,day,month and year to rtc module |
| 31 ; return | |
| 0 | 32 |
| 33 global rtc_set_rtc | |
| 34 rtc_set_rtc: | |
| 35 banksel 0xF16 ; Addresses, F16h through F5Fh, are also used by SFRs, but are not part of the Access RAM. | |
| 36 movlw 0x55 | |
| 37 movwf EECON2 | |
| 38 movlw 0xAA | |
| 39 movwf EECON2 | |
| 40 bsf RTCCFG,RTCWREN ; Unlock sequence for RTCWREN | |
| 41 bsf RTCCFG,RTCPTR1 | |
| 42 bsf RTCCFG,RTCPTR0 ; year | |
| 43 movff year,WREG | |
| 44 rcall rtc_dec2bcd ; IN: temp1 in WREG, OUT: WREG in BCD, also sets to bank16h! | |
| 45 movwf RTCVALL ; year | |
| 46 movwf RTCVALH ; dummy write | |
| 47 movff day,WREG | |
| 48 rcall rtc_dec2bcd ; IN: temp1 in WREG, OUT: WREG in BCD, also sets to bank16h! | |
| 49 movwf RTCVALL ;day | |
| 50 movff month,WREG | |
| 51 rcall rtc_dec2bcd ; IN: temp1 in WREG, OUT: WREG in BCD, also sets to bank16h! | |
| 52 movwf RTCVALH ;month | |
| 53 movff hours,WREG | |
| 54 rcall rtc_dec2bcd ; IN: temp1 in WREG, OUT: WREG in BCD, also sets to bank16h! | |
| 55 movwf RTCVALL ;hours | |
| 56 movlw d'0' | |
| 57 rcall rtc_dec2bcd ; IN: temp1 in WREG, OUT: WREG in BCD, also sets to bank16h! | |
| 58 movwf RTCVALH ;weekday | |
| 59 movff secs,WREG | |
| 60 rcall rtc_dec2bcd ; IN: temp1 in WREG, OUT: WREG in BCD, also sets to bank16h! | |
| 61 movwf RTCVALL ;secs | |
| 62 movff mins,WREG | |
| 63 rcall rtc_dec2bcd ; IN: temp1 in WREG, OUT: WREG in BCD, also sets to bank16h! | |
| 64 movwf RTCVALH ;minutes | |
| 65 movlw 0x55 | |
| 66 movwf EECON2 | |
| 67 movlw 0xAA | |
| 68 movwf EECON2 | |
| 69 bcf RTCCFG,RTCWREN ; Lock sequence for RTCWREN | |
| 70 banksel common | |
| 71 return | |
| 72 | |
| 73 rtc_dec2bcd: | |
| 74 banksel temp1 | |
| 75 movwf temp1 ; Input in dec | |
| 76 setf temp2 ; 10s | |
| 77 | |
| 78 rtc_dec2bcd2: | |
| 79 incf temp2,F ; Count 10's | |
| 80 movlw d'10' | |
| 81 subwf temp1,F | |
| 82 btfss STATUS,N | |
| 83 bra rtc_dec2bcd2 | |
| 84 movlw d'10' | |
| 85 addwf temp1,F ; 1s | |
| 86 swapf temp2,W ; swap to bit 7-4 -> WREG | |
| 87 addwf temp1,W ; Result in BCD | |
| 88 banksel 0xF16 ; Addresses, F16h through F5Fh, are also used by SFRs, but are not part of the Access RAM. | |
| 89 return | |
| 90 | |
| 91 END |