Add the IKEA Ansluta remote-controllable lighting protocol (#566)

* Add the IKEA Ansluta remote-controllable lighting protocol

* Fixes to IKEA Ansluta implementation

Multiprotocol/IKEA_Ansluta_cc2500.ino

@@ -0,0 +1,122 @@
+/*
+ This project is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Multiprotocol is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Multiprotocol.  If not, see <http://www.gnu.org/licenses/>.
+ */
+// This module makes it possible to bind to and control the IKEA "Ansluta" line
+// of remote-controlled lights.
+// To bind, first switch the receiver into binding mode, then the TX.
+// Once bound, the TX can send one of three commands:
+//   lights off, lights dimmed 50% and lights on.
+// Those are mapped to throttle ranges 0..0x55, 0x56..0xAA, 0xAB..0xFF.
+#if defined(IKEAANSLUTA_CC2500_INO)
+
+#include "iface_cc2500.h"
+
+#define IKEAANSLUTA_BIND_COUNT	30  // ~ 2sec autobind/65ms per loop = 30 binding packets
+
+// Commands
+#define IKEAANSLUTA_LIGHT_OFF 0x01
+#define IKEAANSLUTA_LIGHT_DIM 0x02  // 50% dimmed light
+#define IKEAANSLUTA_LIGHT_ON  0x03
+#define IKEAANSLUTA_PAIR 0xFF
+
+void IKEAANSLUTA_send_command(uint8_t command){
+      CC2500_Strobe(CC2500_SIDLE);
+      packet[4] = option;
+      packet[5] = command;
+      CC2500_WriteData(packet, 8);
+}
+
+uint16_t IKEAANSLUTA_callback(void)
+{
+    if (bind_counter) {
+        IKEAANSLUTA_send_command(IKEAANSLUTA_PAIR);
+        if(--bind_counter == 0) {
+            BIND_DONE;
+            CC2500_SetPower();
+        }
+    }
+    else {
+        uint8_t throttle = convert_channel_8b(THROTTLE);
+        uint8_t cmd = throttle <= 0x55 ? IKEAANSLUTA_LIGHT_OFF : 
+                      throttle <= 0xAA ? IKEAANSLUTA_LIGHT_DIM :
+                      IKEAANSLUTA_LIGHT_ON;
+        IKEAANSLUTA_send_command(cmd);
+    }
+    return 65535; // 65ms loop cycle is more than enough here (we could make it even longer if not for uint16_t)
+}
+
+// Register initialization values as a continuous memory block (to save on flash memory)
+const PROGMEM uint8_t IKEAANSLUTA_init_values[] = {
+  0xFF, // CC2500_06_PKTLEN
+  0x04, // CC2500_07_PKTCTRL1
+  0x05, // CC2500_08_PKTCTRL0
+  0x00, // CC2500_09_ADDR  (unused, default)
+  0x10, // CC2500_0A_CHANNR
+  0x09, // CC2500_0B_FSCTRL1
+  0x00, // CC2500_0C_FSCTRL0
+  0x5D, // CC2500_0D_FREQ2
+  0x93, // CC2500_0E_FREQ1
+  0xB1, // CC2500_0F_FREQ0
+  0x2D, // CC2500_10_MDMCFG4
+  0x3B, // CC2500_11_MDMCFG3
+  0x73, // CC2500_12_MDMCFG2
+  0xA2, // CC2500_13_MDMCFG1
+  0xF8, // CC2500_14_MDMCFG0
+  0x01, // CC2500_15_DEVIATN
+  0x07, // CC2500_16_MCSM2
+  0x30, // CC2500_17_MCSM1
+  0x18, // CC2500_18_MCSM0
+  0x1D, // CC2500_19_FOCCFG
+  0x1C, // CC2500_1A_BSCFG
+  0xC7, // CC2500_1B_AGCCTRL2
+  0x00, // CC2500_1C_AGCCTRL1
+  0xB2, // CC2500_1D_AGCCTRL0
+  0x87, // CC2500_1E_WOREVT1 (unused, default)
+  0x6b, // CC2500_1F_WOREVT0 (unused, default)
+  0xf8, // CC2500_20_WORCTRL (unused, default)
+  0xB6, // CC2500_21_FREND1
+  0x10, // CC2500_22_FREND0
+  0xEA, // CC2500_23_FSCAL3
+  0x0A, // CC2500_24_FSCAL2
+  0x00, // CC2500_25_FSCAL1
+  0x11, // CC2500_26_FSCAL0
+  0x41, // CC2500_27_RCCTRL1
+  0x00, // CC2500_28_RCCTRL0
+};
+
+void IKEAANSLUTA_init(void)
+{
+    if (IS_BIND_DONE) bind_counter = 0;
+    else bind_counter = IKEAANSLUTA_BIND_COUNT;
+
+    // All packets we send are the same
+    packet[0] = 0x06;
+    packet[1] = 0x55;
+    packet[2] = 0x01;
+    // Bytes 3&4 are the transmitter address (to which the RX binds)
+    // Byte 5 is the command.
+    packet[3] = rx_tx_addr[3];  // <pseudorandom tx-fixed value> + <rx_num>
+    // packet[4] = option;
+    // packet[5] = 0x00; // Command goes here
+    packet[6] = 0xAA;
+    packet[7] = 0xFF;
+
+    // Configure & initialize CC2500
+	for (uint8_t i = 0; i <= CC2500_28_RCCTRL0-CC2500_06_PKTLEN; ++i)
+		CC2500_WriteReg(CC2500_06_PKTLEN+i, pgm_read_byte_near(&IKEAANSLUTA_init_values[i]));    
+    CC2500_SetTxRxMode(TX_EN);
+    CC2500_SetPower();
+}
+
+#endif

Multiprotocol/Multi_Protos.ino

@@ -98,6 +98,7 @@ const char STR_E010R5[]     ="E010r5";
 const char STR_LOLI[]       ="LOLI";
 const char STR_E129[]       ="E129";
 const char STR_E016H[]      ="E016H";
+const char STR_IKEAANSLUTA[]="Ansluta";
 const char STR_CONFIG[]     ="Config";
 
 const char STR_SUBTYPE_FLYSKY[] =     "\x04""Std\0""V9x9""V6x6""V912""CX20";
@@ -330,6 +331,9 @@ const mm_protocol_definition multi_protocols[] = {
 	#if defined(HUBSAN_A7105_INO)
 		{PROTO_HUBSAN,     STR_HUBSAN,    STR_SUBTYPE_HUBSAN,    3, OPTION_VIDFREQ, 0, 0, SW_A7105,  HUBSAN_init,     HUBSAN_callback     },
 	#endif
+	#if defined(IKEAANSLUTA_CC2500_INO)
+		{PROTO_IKEAANSLUTA,STR_IKEAANSLUTA,NO_SUBTYPE,           0, OPTION_OPTION,  0, 0, SW_CC2500, IKEAANSLUTA_init,IKEAANSLUTA_callback },
+	#endif
 	#if defined(J6PRO_CYRF6936_INO)
 		{PROTO_J6PRO,      STR_J6PRO,     NO_SUBTYPE,            0, OPTION_NONE,    0, 1, SW_CYRF,   J6PRO_init,      J6PRO_callback      },
 	#endif

Multiprotocol/Multiprotocol.h

@@ -19,7 +19,7 @@
 #define VERSION_MAJOR		1
 #define VERSION_MINOR		3
 #define VERSION_REVISION	2
-#define VERSION_PATCH_LEVEL	78
+#define VERSION_PATCH_LEVEL	79
 
 #define MODE_SERIAL 0
 
@@ -113,7 +113,8 @@ enum PROTOCOLS
 	PROTO_E129		= 83,	// =>CYRF6936
 	PROTO_JOYSWAY	= 84,	// =>A7105
 	PROTO_E016H		= 85,	// =>NRF24L01
-	PROTO_CONFIG	= 86,	// Module config
+	PROTO_IKEAANSLUTA = 86, // =>CC2500
+	PROTO_CONFIG	= 87,	// Module config
 
 	PROTO_NANORF	= 126,	// =>NRF24L01
 	PROTO_TEST		= 127,	// =>CC2500

Multiprotocol/_Config.h

@@ -203,6 +203,7 @@
 #define	FRSKY_RX_CC2500_INO
 #define	HITEC_CC2500_INO
 #define	HOTT_CC2500_INO
+//#define	IKEAANSLUTA_CC2500_INO  // This is mostly a "for-fun" kind of a thing, not needed for most users
 #define	SCANNER_CC2500_INO
 #define	FUTABA_CC2500_INO
 #define	SKYARTEC_CC2500_INO
@@ -693,6 +694,7 @@ const PPM_Parameters PPM_prot[14*NBR_BANKS]=	{
 		H107
 		H301
 		H501
+	PROTO_IKEAANSLUTA
 	PROTO_J6PRO
 		NONE
 	PROTO_JJRC345