\ ******************************\
\ RC5_CommandByteIsDone \ -- BASE RC5_code
\ ******************************\
-\ Only New_RC5_Command ADD_ON \ use SR(9) bit as toggle bit
+\ Only New_RC5_Command ADD_ON \ use SR(10) bit as toggle bit
\ ******************************\
-RRUM #4,IP \5 new toggle bit = IP(13) ==> IP(9)
+RRUM #3,IP \5 new toggle bit = IP(13) ==> IP(10)
XOR SR,IP \ (new XOR old) Toggle bits
-BIT #UF1,IP \ repeated RC5_command ?
+BIT #UF10,IP \ repeated RC5_command ?
0= ?GOTO FW2 \ yes, RETI without UF1 change
\ ******************************\
-XOR #UF1,0(RSP) \ 5 toggle bit memory
+XOR #UF10,0(RSP) \ 5 toggle bit memory
FW2 \ endof repeated RC5_command : RETI without UF1 change
FW1 \ endof truncated RC5 message
BIC #$30,&TA0CTL \ stop timer_A0
ENDASM
\
-
+\ \ =============================================================
+\ \ first definition of START with high level redirection of WARM
+\ \ vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
+\ \ ------------------------------\
+\ CODE START \
+\ \ ------------------------------\
+\ \ init PORTX (P2:P1) (complement) default I/O are input with pullup resistors
+\ BIC.B #RC5,&IR_IFG \ P1IFG.2 clear int flag for TSOP32236 (after IES select)
+\ BIS.B #RC5,&IR_IE \ P1IE.2 enable interrupt for TSOP32236
+\ \ ------------------------------\
+\ \ define LPM mode for ACCEPT \
+\ \ ------------------------------\
+\ \ MOV #LPM4,&LPM_MODE \ with MSP430FR59xx
+\ \ MOV #LPM2,&LPM_MODE \ with MSP430FR57xx, terminal input don't work for LPMx > 2
+\ \ \ with MSP430FR2xxx, terminal input don't work for LPMx > 0 ; LPM0 is the default value
+\ \ ------------------------------\
+\ \ init interrupt vectors \
+\ \ ------------------------------\
+\ MOV #RC5_INT,&IR_Vec \ init Px vector interrupt
+\ \ ------------------------------\
+\ \ START is included in WARM \
+\ \ ------------------------------\
+\ LO2HI
+\ LIT RECURSE IS WARM \ insert this starting routine between COLD and WARM...
+\ ['] WARM >BODY EXECUTE \ ...and continue with WARM (that unlocks I/O).
+\ ; \
+\ \ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+\ \ end of first definition of START (high level)
+\ \ =============================================================
+
+\ =============================================================
+\ 2th definition of START with low level redirection of WARM
+\ vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
\ ------------------------------\
-CODE START \
+CODE SYS_INIT \
\ ------------------------------\
\ init PORTX (P2:P1) (complement) default I/O are input with pullup resistors
- BIC.B #RC5,&PIRIFG \ P1IFG.2 clear int flag for TSOP32236 (after IES select)
- BIS.B #RC5,&PIRIE \ P1IE.2 enable interrupt for TSOP32236
+ BIC.B #RC5,&IR_IFG \ P1IFG.2 clear int flag for TSOP32236 (after IES select)
+ BIS.B #RC5,&IR_IE \ P1IE.2 enable interrupt for TSOP32236
\ ------------------------------\
\ define LPM mode for ACCEPT \
\ ------------------------------\
\ ------------------------------\
\ init interrupt vectors \
\ ------------------------------\
- MOV #INT_RC5,&IR_Vec \ init Px vector interrupt
-\ ------------------------------\
- LO2HI
+ MOV #RC5_INT,&IR_Vec \ init Px vector interrupt
+\ \ ------------------------------\
+\ \ START is included in WARM \ version with displaying WARM message
+\ \ ------------------------------\ ====================================
+\ MOV #WARM,X \
+\ ADD #4,X \ ['] WARM >BODY
+\ MOV X,PC \ executes default WARM, no return
\ ------------------------------\
-\ START is included in WARM \
-\ ------------------------------\
- LIT RECURSE IS WARM \ insert this starting routine between COLD and WARM...
- ['] WARM >BODY EXECUTE \ ...and continue with WARM (that unlocks I/O).
- ; \
+\ START is included in WARM \ version without displaying WARM message
+\ ------------------------------\ =======================================
+ MOV #ABORT",IP \ IP = CFA of ABORT"
+ SUB #12,IP \ IP = CFA of ABORT, to replace default WARMTYPE address
+ MOV #WARM,X \
+ ADD #8,X \ to skip WARMTYPE address, replaced by ABORT above
+ MOV X,PC \ thus, executes default WARM without message, no return
+ENDCODE
\ ------------------------------\
-: STOP \ stops multitasking, must to be used before downloading app
+CODE START \
\ ------------------------------\
- ['] WARM >BODY IS WARM \ remove START app from FORTH init process
- ECHO COLD \ reset CPU, interrupt vectors, and start FORTH
-;
+MOV #WARM,X \
+MOV #SYS_INIT,2(X) \ WARM will execute SYS_INIT
+MOV X,PC \ EXECUTE WARM
+ENDCODE
-\ HERE OVER - DUMP \ general minidump, part 2
+\ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+\ end of 2th definition of START (low level)
+\ =============================================================
-PWR_HERE \
+\ \ high level definition of STOP
+\ \ ------------------------------\
+\ : STOP \ stops multitasking, must to be used before downloading app
+\ \ ------------------------------\
+\ ['] WARM >BODY IS WARM \ remove START app from FORTH init process
+\ COLD \ reset CPU, interrupt vectors, and start FORTH
+\ ;
+
+\ low level definition of STOP
+\ ------------------------------\
+CODE STOP \ stops multitasking, must to be used before downloading app
+\ ------------------------------\
+ MOV #WARM,X \ ['] WARM
+ ADD #4,X \ >BODY
+ MOV X,-2(X) \ IS WARM
+ MOV #COLD,PC \ COLD reset CPU, interrupt vectors, and start FORTH
+ENDCODE
+
+RST_HERE
+ECHO
\ --------------------------------------------------\
\ PHILIPS IR REMOTE RC5/RC6 protocol \
\ --------------------------------------------------\
\ first half bit = no light, same as idle state
\ second half bit : 32 IR-light pulses of 6,944us,light ON/off ratio = 1/3
-
+\
\ |<------32 IR light pulses = second half of first start bit ------->|
\ |_ _ _ _ _ _ _ _ _ _ _ _|
\ ...____| |___| |___| |___| |___| |___| |...| |___| |___| |___| |___| |___| |____________________________________...
\ | |
\
-
-
+\
+\
\ at the output of IR receiver TSOPxxx during the first start bit :
-
+\
\ ...idle state ->|<----- first half bit ------>|<- second half bit (IR light) ->|
\ ..._____________|_____________________________| |_________...
\ | | |
\ | | |
\ | |________________________________|
-
+\
\ 32 cycles of 27,777us (36kHz) = 888,888 us
\ one bit = 888,888 x 2 = 1778 us.
-
-
-
+\
+\
+\
\ 14 bits of active message = 24.889 ms
\ + 50 bits of silent (idle) = 88.888 ms
\ = RC5 message = 113.792 ms
-
+\
\
\ RC5_message on IR LIGHT \ idle state = light off
-
+\
\ 89ms>|<--------------------------------------------------24.889 ms-------------------------------------------------->|<88,
\ | |
\ | | | | | | | | | | | | | | |
\
\
\ notice that each cycle contains its bit value preceded by its complement
-
-
-
-
+\
+\
+\
+\
\ the same RC5_message inverted at the output of IR receiver : idle state = 1
\
\ | | | | | | | | | | | | | | |
\ I R R R R R R R R R R R R R
\
\ notice that each cycle contains its bit value followed by its complement
-
-
-
-
+\
+\
+\
+\
\ principe of the driver : 13 samples at 1/4 period and Resynchronise (R) on 1/2 period (two examples)
-
+\
\ 0,888 ms
\ |<->|<--------------------------------routine time = 12 3/4 cycles = 22.644 ms--------------------------->|
\ | | | | | | | | | | | | | | | |
\ samples : 1 2 3 4 5 6 4 8 9 10 11 12 13| |
\ | |
\ good ! but we have too many RC5_Int...----------------> I I
-
+\
\ 0,888 ms
\ |<->|<--------------------------------routine time = 12 3/4 cycles = 22.644 ms--------------------------->|
\ | | | | | | | | | | | | | | | |
\ |
\ good ! but we have too many RC5_Int...------------------> I
\
-
-
-
-
+\
+\
+\
+\
\ So, to avoid these RC5_Int after end : 13+1=14 samples, then the result is shifted one to wipe the 14th (two examples)
-
+\
\ 0,888 ms
\ |<->|<--------------------------------routine time = 13 3/4 cycles = 24.447 ms----------------------------------->|
\ | | | | | | | | | | | | | | | |
\ I i R i R i R R i R R i R i R i R i R i R i R R
\ | | | | | | | | | | | | | |
\ samples : 1 2 3 4 5 6 7 8 9 10 11 12 13 14
-
-
+\
+\
\ I = first interruption at the first 1/2 cycle : clear and start timer
\ i = useless RC5_Int (because aperiodic) at 4/4 cycle
\ s = sample RC5_intput at (1/2+3/4) = 5/4 cycle = n+1/4 cycles and clear useless RC5_Int
\ R = usefull (periodic) RC5_Int at 6/4 cycle = n+1/2 cycles : load new timer value, then clear it and restart it
\ o = RC5_Int time out at 7/4 cycle = n+3/4 cycles, used to detect truncated RC5_message (samples<14)
-
+\
\ see also : http://www.sbprojects.com/knowledge/ir/rc5.php
\ http://laurent.deschamps.free.fr/ir/rc5/rc5.htm
\ Code RC5 : http://en.wikipedia.org/wiki/RC-5
-
+\
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