An RC5 decoder and preamp controller. Written on the LPC11U24, Ported to LPC1114 and now 100% stable (January 2016)

Dependents:   AppleRemoteController_copy_Production_Version AppleRemoteController_Reference_Only

Files at this revision

API Documentation at this revision

Comitter:
andrewcrussell
Date:
Mon Nov 14 14:30:51 2022 +0000
Parent:
9:c9fb1f8e2ab8
Commit message:
corrected .h file;

Changed in this revision

apple_codes.h Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
rc5codes.h Show diff for this revision Revisions of this file
diff -r c9fb1f8e2ab8 -r 7a93d34a419a apple_codes.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/apple_codes.h	Mon Nov 14 14:30:51 2022 +0000
@@ -0,0 +1,40 @@
+/********************************* RC5 control codes ******************************/
+// The Philips RC5 coce consists of 14 bits delivered in bi-phase Manchester encoding from
+// an IR LED on the remote.  This is picked up by a detector (e.g. a Vishay TSOP3741) which
+// outputs the demodulated bit stream as follows:-
+// First 2 bits are start bits - allow the detector AGC to stabilize and trigger decoding process
+// Third bit is the toggle bit - it remains at the same logic level as long as a key is depressed
+// and will change to the alternate state when the key is un/re-depressed or when a different
+// key is depressed
+// Bits 4~8 are the address bits and determine which piece of equipment is being controlled
+// Bits 9~14 are the command bits
+// As long as a key is depressed, the 14 bits will be sent by the remote controller in sequential
+// blocks with a 120ms delay between subsequent block transmissions
+//  See http://en.wikipedia.org/wiki/RC-5 for the codes
+
+// 0-9 NUMERIC KEYS 0 - 9 - not used in this implementation
+
+// unused commands and addresses have been commented out - simply un-comment them to use them 
+// but note that if you do this, you will have to decode them, otherwise they will just fall through
+// and be ignored by the decoder.  Only the ones un-commented out below are active in V1.0
+// Note you will also need to write the associated command processor functions 
+
+#define STANDBY 378      // toggle  power ON and OFF
+#define MUTE 442         // toggle output signal on and off
+#define VUP 464         
+#define VDOWN 432
+#define SELECT_R 480      // rotates input through inputs - must depress and then release each time
+#define SELECT_L 272      // rotates input through inputs - must depress and then release each time
+#define PREAMP 479          // this is the system code identifying an Apple Remote
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diff -r c9fb1f8e2ab8 -r 7a93d34a419a main.cpp
--- a/main.cpp	Mon Nov 14 14:18:18 2022 +0000
+++ b/main.cpp	Mon Nov 14 14:30:51 2022 +0000
@@ -18,7 +18,7 @@
 // for the standby output to drive a power amplifier. Pin 8 on J2 (Controller board)
 
 #include "mbed.h"
-//#include "rc5codes.h"      // RC code definitions - in this case for Apple TV Remote
+#include "apple_codes.h"      // remote codes for Apple TV Remote
 #include "Pindef1114.h"    // all microcontroller I/O pin assignments defined here
 
 /************************************* Apple TV Remote control codes ****************************/
diff -r c9fb1f8e2ab8 -r 7a93d34a419a rc5codes.h
--- a/rc5codes.h	Mon Nov 14 14:18:18 2022 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,40 +0,0 @@
-/********************************* RC5 control codes ******************************/
-// The Philips RC5 coce consists of 14 bits delivered in bi-phase Manchester encoding from
-// an IR LED on the remote.  This is picked up by a detector (e.g. a Vishay TSOP3741) which
-// outputs the demodulated bit stream as follows:-
-// First 2 bits are start bits - allow the detector AGC to stabilize and trigger decoding process
-// Third bit is the toggle bit - it remains at the same logic level as long as a key is depressed
-// and will change to the alternate state when the key is un/re-depressed or when a different
-// key is depressed
-// Bits 4~8 are the address bits and determine which piece of equipment is being controlled
-// Bits 9~14 are the command bits
-// As long as a key is depressed, the 14 bits will be sent by the remote controller in sequential
-// blocks with a 120ms delay between subsequent block transmissions
-//  See http://en.wikipedia.org/wiki/RC-5 for the codes
-
-// 0-9 NUMERIC KEYS 0 - 9 - not used in this implementation
-
-// unused commands and addresses have been commented out - simply un-comment them to use them 
-// but note that if you do this, you will have to decode them, otherwise they will just fall through
-// and be ignored by the decoder.  Only the ones un-commented out below are active in V1.0
-// Note you will also need to write the associated command processor functions 
-
-#define STANDBY 378      // toggle  power ON and OFF
-#define MUTE 442         // toggle output signal on and off
-#define VUP 464         
-#define VDOWN 432
-#define SELECT_R 480      // rotates input through inputs - must depress and then release each time
-#define SELECT_L 272      // rotates input through inputs - must depress and then release each time
-#define PREAMP 479          // this is the system code identifying an Apple Remote
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