--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/thermferm/rc-switch.c Sun May 25 22:06:56 2014 +0200
@@ -0,0 +1,955 @@
+/*****************************************************************************
+ * Copyright (C) 2014
+ *
+ * Michiel Broek <mbroek at mbse dot eu>
+ *
+ * This file is part of the mbsePi-apps
+ *
+ * Based on the Arduino libary for remote control outlet switches.
+ * Project home: http://code.google.com/p/rc-switch/
+ *
+ * This 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 2, or (at your option) any
+ * later version.
+ *
+ * mbsePi-apps 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 EC-65K; see the file COPYING. If not, write to the Free
+ * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *****************************************************************************/
+
+#include "thermferm.h"
+
+#ifdef HAVE_WIRINGPI_H
+
+
+#define TYPE_UNDEF 0
+#define TYPE_MINIMUM 0
+#define TYPE_A 1
+#define TYPE_B 2
+#define TYPE_C 3
+#define TYPE_D 4
+#define TYPE_E 3 // TODO: Which Protocol does REV use?
+#define TYPE_MAXIMUM 4
+
+// Number of maximum High/Low changes per packet.
+// We can handle up to (unsigned long) => 32 bit * 2 H/L changes per bit + 2 for sync
+#define RCSWITCH_MAX_CHANGES 67
+
+// i.e. ProtocolCount + 1 (for TYPE_UNDEF)
+#define MAX_PROTOCOLS 5
+
+#define PROTOCOL_A_SYNC_FACTOR 31
+#define PROTOCOL_A_ZERO_FIRST_CYCLES 1
+#define PROTOCOL_A_ZERO_SECOND_CYCLES 3
+#define PROTOCOL_A_ONE_FIRST_CYCLES 3
+#define PROTOCOL_A_ONE_SECOND_CYCLES 1
+#define PROTOCOL_A_HIGH_FIRST true
+
+#define PROTOCOL_B_SYNC_FACTOR 10
+#define PROTOCOL_B_ZERO_FIRST_CYCLES 1
+#define PROTOCOL_B_ZERO_SECOND_CYCLES 2
+#define PROTOCOL_B_ONE_FIRST_CYCLES 2
+#define PROTOCOL_B_ONE_SECOND_CYCLES 1
+#define PROTOCOL_B_HIGH_FIRST true
+
+#define PROTOCOL_C_SYNC_FACTOR 71
+#define PROTOCOL_C_ZERO_FIRST_CYCLES 4
+#define PROTOCOL_C_ZERO_SECOND_CYCLES 11
+#define PROTOCOL_C_ONE_FIRST_CYCLES 9
+#define PROTOCOL_C_ONE_SECOND_CYCLES 6
+#define PROTOCOL_C_HIGH_FIRST true
+
+// I think, this will work for receive, however, I haven't tested, as I don't own a receiver...
+// As Type D doesn't sync acc. to https://github.com/d-a-n/433-codes/blob/master/database.md#quigg
+// the sync factor is totally undetermined.
+// Malte Diers, 22.11.2013
+#define PROTOCOL_D_SYNC_FACTOR 1
+#define PROTOCOL_D_ZERO_FIRST_CYCLES 1
+#define PROTOCOL_D_ZERO_SECOND_CYCLES 2
+#define PROTOCOL_D_ONE_FIRST_CYCLES 2
+#define PROTOCOL_D_ONE_SECOND_CYCLES 1
+#define PROTOCOL_D_HIGH_FIRST false
+
+
+#define PROTOCOL3_SYNC_FACTOR 71
+#define PROTOCOL3_0_HIGH_CYCLES 4
+#define PROTOCOL3_0_LOW_CYCLES 11
+#define PROTOCOL3_1_HIGH_CYCLES 9
+#define PROTOCOL3_1_LOW_CYCLES 6
+
+
+
+unsigned long rcReceivedValue = 0;
+unsigned int rcReceivedBitlength = 0;
+unsigned int rcReceivedDelay = 0;
+unsigned int rcReceivedProtocol = 0;
+int rcReceiveTolerance = 60;
+int rcReceiverInterruptPin = -1;
+
+unsigned int timings[RCSWITCH_MAX_CHANGES];
+int rcTransmitterPin = -1;
+int rcPulseLength = 350; // thermometers 2.4 msec = 2400
+int rcRepeatTransmit = 10;
+int rcProtocol = 1;
+
+int backupProtocol;
+int backupPulseLength;
+int backupRepeatTransmit;
+
+
+//const char TYPE_A_CODE[ 6][6] = { "00000", "10000", "01000", "00100", "00010", "00001"};
+const char TYPE_B_CODE[ 5][5] = { "FFFF", "0FFF", "F0FF", "FF0F", "FFF0" };
+const char TYPE_C_CODE[16][5] = { "0000", "F000", "0F00", "FF00", "00F0", "F0F0", "0FF0", "FFF0",
+ "000F", "F00F", "0F0F", "FF0F", "00FF", "F0FF", "0FFF", "FFFF" };
+const char TYPE_D_CODE[5][2][9] = { { "11100001", "11110000" }, { "00000000", "00010001" }, { "10000010", "10010011" },
+ { "11000011", "11010010" }, { "01000001", "01010000" } };
+ /* Type A Type D */
+const int PULSE_LENGTH[MAX_PROTOCOLS] = { 0, 350, 650, 100, 666, };
+const int REPEAT_TRANSMIT[MAX_PROTOCOLS] = { 0, 10, 10, 10, 4, };
+const int SYNC_FACTOR[MAX_PROTOCOLS] = { 0, PROTOCOL_A_SYNC_FACTOR, PROTOCOL_B_SYNC_FACTOR, PROTOCOL_C_SYNC_FACTOR, PROTOCOL_D_SYNC_FACTOR, };
+const int ZERO_FIRST_CYCLES[MAX_PROTOCOLS] = { 0, PROTOCOL_A_ZERO_FIRST_CYCLES, PROTOCOL_B_ZERO_FIRST_CYCLES, PROTOCOL_C_ZERO_FIRST_CYCLES, PROTOCOL_D_ZERO_FIRST_CYCLES, };
+const int ZERO_SECOND_CYCLES[MAX_PROTOCOLS] = { 0, PROTOCOL_A_ZERO_SECOND_CYCLES, PROTOCOL_B_ZERO_SECOND_CYCLES, PROTOCOL_C_ZERO_SECOND_CYCLES, PROTOCOL_D_ZERO_SECOND_CYCLES, };
+const int ONE_FIRST_CYCLES[MAX_PROTOCOLS] = { 0, PROTOCOL_A_ONE_FIRST_CYCLES, PROTOCOL_B_ONE_FIRST_CYCLES, PROTOCOL_C_ONE_FIRST_CYCLES, PROTOCOL_D_ONE_FIRST_CYCLES, };
+const int ONE_SECOND_CYCLES[MAX_PROTOCOLS] = { 0, PROTOCOL_A_ONE_SECOND_CYCLES, PROTOCOL_B_ONE_SECOND_CYCLES, PROTOCOL_C_ONE_SECOND_CYCLES, PROTOCOL_D_ONE_SECOND_CYCLES, };
+const bool HIGH_FIRST[MAX_PROTOCOLS] = { 0, PROTOCOL_A_HIGH_FIRST, PROTOCOL_B_HIGH_FIRST, PROTOCOL_C_HIGH_FIRST, PROTOCOL_D_HIGH_FIRST, };
+
+
+char *getCodeWordA(char*, char*, bool);
+char *getCodeWordB(int, int, bool);
+char *getCodeWordC(char, int, int, bool);
+
+char *getCodeWordE(char, int, bool);
+void sendTriState(char*);
+void transmit(int, int, bool);
+void send0(void);
+void send1(void);
+void sendT0(void);
+void sendT1(void);
+void sendTF(void);
+void sendSync(void);
+bool receiveProtocol(int, unsigned int);
+void handleInterrupt(void);
+char *dec2binWcharfill(unsigned long, unsigned int, char);
+
+void setReceiveTolerance(int);
+void setProtocol(int);
+
+void saveProtocol(int);
+void loadProtocol(void);
+
+
+
+/*
+ * Sets the protocol to send.
+ */
+void setProtocol(int nProtocol) {
+
+ if ((nProtocol < TYPE_MINIMUM) || (nProtocol > TYPE_MAXIMUM)) {
+ return;
+ }
+
+ rcProtocol = nProtocol;
+ rcPulseLength = PULSE_LENGTH[nProtocol];
+ rcRepeatTransmit = REPEAT_TRANSMIT[nProtocol];
+}
+
+
+
+/*
+ * Set Receiving Tolerance
+ */
+void setReceiveTolerance(int nPercent) {
+ rcReceiveTolerance = nPercent;
+}
+
+
+
+/*
+ * Enable transmissions
+ *
+ * @param nTransmitterPin Pin to which the sender is connected to
+ */
+void enableTransmit(int nTransmitterPin) {
+ rcTransmitterPin = nTransmitterPin;
+ pinMode(rcTransmitterPin, OUTPUT);
+}
+
+
+
+/*
+ * Disable transmissions
+ */
+void disableTransmit(void) {
+ rcTransmitterPin = -1;
+}
+
+
+
+/*
+ * Toggle switch, a command looks like B,3,2,1 which means switch type B,
+ * group 3, device 2, status on.
+ */
+int toggleSwitch(char *command)
+{
+ static char *cmd = NULL;
+ char *s, cType;
+ int rc, iGroup, iDevice, iState;
+
+ cmd = xstrcpy(command);
+ s = strtok(cmd, ",\0");
+ cType = s[0];
+
+ if (cType == 'A') {
+
+ } else if (cType == 'B') {
+ s = strtok(NULL, ",\0");
+ rc = sscanf(s, "%d", &iGroup);
+ if (rc != 1)
+ return 1;
+ s = strtok(NULL, ",\0");
+ rc = sscanf(s, "%d", &iDevice);
+ if (rc != 1)
+ return 1;
+ s = strtok(NULL, ",\0");
+ rc = sscanf(s, "%d", &iState);
+ if (rc != 1)
+ return 1;
+ free(cmd);
+ return toggleTypeB(iGroup, iDevice, iState);
+ }
+
+ free(cmd);
+ return 1;
+}
+
+
+
+/*
+ * Switch a remote switch on (Type E REV)
+ *
+ * @param sGroup Code of the switch group (A,B,C,D)
+ * @param nDevice Number of the switch itself (1..3)
+ * @param bStatus Status to toggle to
+ */
+int toggleTypeE(char sGroup, int nDevice, bool bStatus) {
+ sendTriState( getCodeWordE(sGroup, nDevice, bStatus) );
+ return 0;
+}
+
+
+
+/*
+ * Switch a remote switch on (Type C Intertechno)
+ *
+ * @param sFamily Familycode (a..f)
+ * @param nGroup Number of group (1..4)
+ * @param nDevice Number of device (1..4)
+ * @param bStatus Status to toggle to
+ */
+int toggleTypeC(char sFamily, int nGroup, int nDevice, bool bStatus) {
+ char *str = xstrcpy(getCodeWordC(sFamily, nGroup, nDevice, bStatus));
+
+ if (strlen(str) == 0)
+ return 1;
+
+ saveProtocol(TYPE_A); // ???
+ sendTriState( str );
+ loadProtocol();
+ free(str);
+ return 0;
+}
+
+
+
+/*
+ * Switch a remote switch on/off (Type B with two rotary/sliding switches)
+ *
+ * @param iGroup Number of the switch group (1..4)
+ * @param iDevice Number of the switch itself (1..4)
+ * @param bStatus Status to toggle to
+ */
+int toggleTypeB(int iGroup, int iDevice, bool bStatus)
+{
+ char *str = xstrcpy(getCodeWordB(iGroup, iDevice, bStatus));
+
+ if (strlen(str) == 0)
+ return 1;
+
+ saveProtocol(TYPE_A); // They do better with protocol A timings.
+ sendTriState( str );
+ loadProtocol();
+ free(str);
+ return 0;
+}
+
+
+
+/*
+ * Switch a remote switch on (Type A with 10 pole DIP switches)
+ *
+ * @param sGroup Code of the switch group (refers to DIP switches 1..5 where "1" = on and "0" = off, if all DIP switches are on it's "11111")
+ * @param sDevice Code of the switch device (refers to DIP switches 6..10 (A..E) where "1" = on and "0" = off, if all DIP switches are on it's "11111")
+ * @param bStatus Status to toggle to
+ */
+int toggleTypeA(char* sGroup, char* sDevice, bool bStatus) {
+ char *str = xstrcpy(getCodeWordA(sGroup, sDevice, bStatus));
+
+ if (strlen(str) == 0)
+ return 1;
+
+ saveProtocol(TYPE_A);
+ sendTriState( str );
+ loadProtocol();
+ free(str);
+ return 0;
+}
+
+
+
+/*
+ * Returns a char[13], representing the Code Word to be send.
+ * A Code Word consists of 9 address bits, 3 data bits and one sync bit but in our case only the first 8 address bits and the last 2 data bits were used.
+ * A Code Bit can have 4 different states: "F" (floating), "0" (low), "1" (high), "S" (synchronous bit)
+ *
+ * +-------------------------------+--------------------------------+-----------------------------------------+-----------------------------------------+----------------------+------------+
+ * | 4 bits address (switch group) | 4 bits address (switch number) | 1 bit address (not used, so never mind) | 1 bit address (not used, so never mind) | 2 data bits (on|off) | 1 sync bit |
+ * | 1=0FFF 2=F0FF 3=FF0F 4=FFF0 | 1=0FFF 2=F0FF 3=FF0F 4=FFF0 | F | F | on=FF off=F0 | S |
+ * +-------------------------------+--------------------------------+-----------------------------------------+-----------------------------------------+----------------------+------------+
+ *
+ * @param nAddressCode Number of the switch group (1..4)
+ * @param nChannelCode Number of the switch itself (1..4)
+ * @param bStatus Wether to switch on (true) or off (false)
+ *
+ * @return char[13]
+ */
+char *getCodeWordB(int nAddressCode, int nChannelCode, bool bStatus)
+{
+ int i, nReturnPos = 0;
+ static char sReturn[13];
+
+ if (nAddressCode < 1 || nAddressCode > 4 || nChannelCode < 1 || nChannelCode > 4) {
+ return '\0';
+ }
+ for (i = 0; i<4; i++) {
+ sReturn[nReturnPos++] = TYPE_B_CODE[nAddressCode][i];
+ }
+
+ for (i = 0; i<4; i++) {
+ sReturn[nReturnPos++] = TYPE_B_CODE[nChannelCode][i];
+ }
+
+ sReturn[nReturnPos++] = 'F';
+ sReturn[nReturnPos++] = 'F';
+ sReturn[nReturnPos++] = 'F';
+ sReturn[nReturnPos++] = bStatus ? 'F' : '0';
+ sReturn[nReturnPos] = '\0';
+
+ return sReturn;
+}
+
+
+
+/*
+ * Returns a char[13], representing the Code Word to be send.
+ *
+ * getCodeWordA(char*, char*)
+ *
+ */
+char *getCodeWordA(char* sGroup, char* sDevice, bool bOn)
+{
+ static char sDipSwitches[13];
+ int i, j = 0;
+
+ for (i=0; i < 5; i++) {
+ sDipSwitches[j++] = (sGroup[i] == '0') ? 'F' : '0';
+ }
+
+ for (i=0; i < 5; i++) {
+ sDipSwitches[j++] = (sDevice[i] == '0') ? 'F' : '0';
+ }
+
+ if ( bOn ) {
+ sDipSwitches[j++] = '0';
+ sDipSwitches[j++] = 'F';
+ } else {
+ sDipSwitches[j++] = 'F';
+ sDipSwitches[j++] = '0';
+ }
+
+ sDipSwitches[j] = '\0';
+ return sDipSwitches;
+}
+
+
+
+/*
+ * Like getCodeWord (Type C = Intertechno)
+ */
+char *getCodeWordC(char sFamily, int nGroup, int nDevice, bool bStatus)
+{
+ static char sReturn[13];
+ int i, nReturnPos = 0;
+
+ if (sFamily < 'a') {
+ // To also enable capital 'A' to 'F'
+ sFamily += 32;
+ }
+
+ if ( sFamily < 'a' || sFamily > 'f' || nGroup < 1 || nGroup > 4 || nDevice < 1 || nDevice > 4) {
+ return '\0';
+ }
+
+ for (i = 0; i<4; i++) {
+ sReturn[nReturnPos++] = TYPE_C_CODE[ sFamily - 'a' ][i];
+ }
+
+ char *sDeviceGroupCode = dec2binWzerofill( (nDevice-1) + (nGroup-1)*4, 4 );
+ for (i = 0; i<4; i++) {
+ sReturn[nReturnPos++] = (sDeviceGroupCode[3-i] == '1' ? 'F' : '0');
+ }
+
+ sReturn[nReturnPos++] = '0';
+ sReturn[nReturnPos++] = 'F';
+ sReturn[nReturnPos++] = 'F';
+ sReturn[nReturnPos++] = bStatus ? 'F' : '0';
+ sReturn[nReturnPos] = '\0';
+
+ return sReturn;
+}
+
+
+
+/*
+ * Decoding for the Quigg Switch Type
+ *
+ * Returns a char[22], representing the States to be send.
+ * A Code Word consists of 1 start bit, 12 address bits and 8 command data bits.
+ * A Code Bit can have 2 different states: "0" (low), "1" (high)
+ *
+ * +--------------+--------------------------------+------------------------------+
+ * | 1 bits start | 12 bits address (device group) | 8 bits (command/switch data) |
+ * | 1 | 110011001100 | 00010001 |
+ * +--------------+--------------------------------+------------------------------+
+ *
+ * Source: https://github.com/d-a-n/433-codes/blob/master/database.md#quigg
+ *
+ * @param sGroup 12-bit Binary ID of the Device Group
+ * @param nDevice Number of the switch itself (1..4, or 0 to switch the entire Group)
+ * @param bStatus Wether to switch on (true) or off (false)
+ *
+ * @return char[22]
+ */
+char *getCodeWordD(char *sGroup, int nDevice, bool bStatus)
+{
+ static char sReturn[22];
+ int i, nReturnPos = 0;
+
+ /* Startbit */
+ sReturn[nReturnPos++] = '1';
+
+ /* 12 bit Group */
+ for (i = 0; i < 12; ++i) {
+ sReturn[nReturnPos++] = sGroup[i];
+ }
+
+ /* 8 Bit Device Identifier + Status (undividable!) */
+ for (i = 0; i < 8; ++i) {
+ sReturn[nReturnPos++] = TYPE_D_CODE[nDevice][bStatus][i];
+ }
+ sReturn[nReturnPos] = 0;
+
+ return sReturn;
+}
+
+
+
+/*
+ * Decoding for the REV Switch Type
+ *
+ * Returns a char[13], representing the Tristate to be send.
+ * A Code Word consists of 7 address bits and 5 command data bits.
+ * A Code Bit can have 3 different states: "F" (floating), "0" (low), "1" (high)
+ *
+ * +-------------------------------+--------------------------------+-----------------------+
+ * | 4 bits address (switch group) | 3 bits address (device number) | 5 bits (command data) |
+ * | A=1FFF B=F1FF C=FF1F D=FFF1 | 1=0FFF 2=F0FF 3=FF0F 4=FFF0 | on=00010 off=00001 |
+ * +-------------------------------+--------------------------------+-----------------------+
+ *
+ * Source: http://www.the-intruder.net/funksteckdosen-von-rev-uber-arduino-ansteuern/
+ *
+ * @param sGroup Name of the switch group (A..D, resp. a..d)
+ * @param nDevice Number of the switch itself (1..3)
+ * @param bStatus Wether to switch on (true) or off (false)
+ *
+ * @return char[13]
+ */
+char *getCodeWordE(char sGroup, int nDevice, bool bStatus){
+ static char sReturn[13];
+ int i, nReturnPos = 0;
+
+ // Building 4 bits address
+ // (Potential problem if dec2binWcharfill not returning correct string)
+ char *sGroupCode;
+ switch(sGroup){
+ case 'a':
+ case 'A':
+ sGroupCode = dec2binWcharfill(8, 4, 'F'); break;
+ case 'b':
+ case 'B':
+ sGroupCode = dec2binWcharfill(4, 4, 'F'); break;
+ case 'c':
+ case 'C':
+ sGroupCode = dec2binWcharfill(2, 4, 'F'); break;
+ case 'd':
+ case 'D':
+ sGroupCode = dec2binWcharfill(1, 4, 'F'); break;
+ default:
+ return '\0';
+ }
+
+ for (i = 0; i<4; i++) {
+ sReturn[nReturnPos++] = sGroupCode[i];
+ }
+
+
+ // Building 3 bits address
+ // (Potential problem if dec2binWcharfill not returning correct string)
+ char *sDevice;
+ switch(nDevice) {
+ case 1:
+ sDevice = dec2binWcharfill(4, 3, 'F'); break;
+ case 2:
+ sDevice = dec2binWcharfill(2, 3, 'F'); break;
+ case 3:
+ sDevice = dec2binWcharfill(1, 3, 'F'); break;
+ default:
+ return '\0';
+ }
+
+ for (i = 0; i<3; i++)
+ sReturn[nReturnPos++] = sDevice[i];
+
+ // fill up rest with zeros
+ for (i = 0; i<5; i++)
+ sReturn[nReturnPos++] = '0';
+
+ // encode on or off
+ if (bStatus)
+ sReturn[10] = '1';
+ else
+ sReturn[11] = '1';
+
+ // last position terminate string
+ sReturn[12] = '\0';
+ return sReturn;
+
+}
+
+
+
+/*
+ * @param sCodeWord /^[10FS]*$/ -> see getCodeWord
+ */
+void sendTriState(char* sCodeWord) {
+ int nRepeat;
+
+ for (nRepeat = 0; nRepeat < rcRepeatTransmit; nRepeat++) {
+ int i = 0;
+ while (sCodeWord[i] != '\0') {
+ switch(sCodeWord[i]) {
+ case '0':
+ sendT0();
+ break;
+ case 'F':
+ sendTF();
+ break;
+ case '1':
+ sendT1();
+ break;
+ }
+ i++;
+ }
+ sendSync();
+ }
+}
+
+
+
+/*
+void RCSwitch::send(unsigned long Code, unsigned int length) {
+ this->send( this->dec2binWzerofill(Code, length) );
+}
+
+void RCSwitch::send(char* sCodeWord) {
+ for (int nRepeat=0; nRepeat<nRepeatTransmit; nRepeat++) {
+ int i = 0;
+ while (sCodeWord[i] != '\0') {
+ switch(sCodeWord[i]) {
+ case '0':
+ this->send0();
+ break;
+ case '1':
+ this->send1();
+ break;
+ }
+ i++;
+ }
+ this->sendSync();
+ }
+}
+*/
+
+
+void transmit(int nFirstPulses, int nSecondPulses, bool bHighFirst)
+{
+ bool disabled_Receive = false;
+ int nReceiverInterrupt_backup = rcReceiverInterruptPin;
+
+ if (rcTransmitterPin != -1) {
+ if (rcReceiverInterruptPin != -1) {
+ disableReceive();
+ disabled_Receive = true;
+ }
+ digitalWrite(rcTransmitterPin, bHighFirst ? HIGH : LOW);
+ delayMicroseconds( rcPulseLength * nFirstPulses);
+ digitalWrite(rcTransmitterPin, bHighFirst ? LOW : HIGH);
+ delayMicroseconds( rcPulseLength * nSecondPulses);
+
+ if (disabled_Receive) {
+ enableReceiveIRQ(nReceiverInterrupt_backup);
+ }
+ }
+}
+
+
+
+/*
+ * Sends a "0" Bit
+ * _
+ * Waveform Protocol 1: | |___
+ * _
+ * Waveform Protocol 2: | |__
+ * ____
+ * Waveform Protocol 3: | |___________
+ */
+//void send0(void) {
+// if (rcProtocol == 1){
+// transmit(1,3);
+// }
+// else if (rcProtocol == 2) {
+// transmit(1,2);
+// }
+// else if (rcProtocol == 3) {
+// transmit(4,11);
+// }
+//}
+
+
+
+/*
+ * Sends a "1" Bit
+ * ___
+ * Waveform Protocol 1: | |_
+ * __
+ * Waveform Protocol 2: | |_
+ * _________
+ * Waveform Protocol 3: | |______
+ */
+//void send1(void) {
+// if (rcProtocol == 1){
+// transmit(3,1);
+// }
+// else if (rcProtocol == 2) {
+// transmit(2,1);
+// }
+// else if (rcProtocol == 3) {
+// transmit(9,6);
+// }
+//}
+
+
+
+/*
+ * Sends a Tri-State "0" Bit
+ * _ _
+ * Waveform: | |___| |___
+ */
+void sendT0(void) {
+ transmit(ZERO_FIRST_CYCLES[rcProtocol], ZERO_SECOND_CYCLES[rcProtocol], HIGH_FIRST[rcProtocol]);
+ transmit(ZERO_FIRST_CYCLES[rcProtocol], ZERO_SECOND_CYCLES[rcProtocol], HIGH_FIRST[rcProtocol]);
+// transmit(1,3,true);
+// transmit(1,3,true);
+}
+
+
+
+/*
+ * Sends a Tri-State "1" Bit
+ * ___ ___
+ * Waveform: | |_| |_
+ */
+void sendT1(void) {
+ transmit(ONE_FIRST_CYCLES[rcProtocol], ONE_SECOND_CYCLES[rcProtocol], HIGH_FIRST[rcProtocol]);
+ transmit(ONE_FIRST_CYCLES[rcProtocol], ONE_SECOND_CYCLES[rcProtocol], HIGH_FIRST[rcProtocol]);
+// transmit(3,1,true);
+// transmit(3,1,true);
+}
+
+
+
+/*
+ * Sends a Tri-State "F" Bit
+ * _ ___
+ * Waveform: | |___| |_
+ */
+void sendTF(void) {
+ transmit(ZERO_FIRST_CYCLES[rcProtocol], ZERO_SECOND_CYCLES[rcProtocol], HIGH_FIRST[rcProtocol]);
+ transmit(ONE_FIRST_CYCLES[rcProtocol], ONE_SECOND_CYCLES[rcProtocol], HIGH_FIRST[rcProtocol]);
+// transmit(1,3,true);
+// transmit(3,1,true);
+}
+
+
+
+/*
+ * Sends a "Sync" Bit
+ * _
+ * Waveform Protocol 1: | |_______________________________
+ * _
+ * Waveform Protocol 2: | |__________
+ * ____
+ * Waveform Protocol 3: | |_______________________________________________________________________
+ *
+ * Waveform Protocol D: (none, just pause 80 msecs)
+ */
+void sendSync(void) {
+
+ if (rcProtocol == TYPE_A) {
+ transmit(1,31,true);
+ } else if (rcProtocol == TYPE_B) {
+ transmit(1,10,true);
+ } else if (rcProtocol == TYPE_C) {
+ transmit(4,71,true);
+ } else if (rcProtocol == TYPE_D) {
+ transmit(0,1,false);
+ delayMicroseconds(80000);
+ }
+}
+
+
+
+/*
+ * Enable receiving data
+ */
+void enableReceiveIRQ(int Pin) {
+ rcReceiverInterruptPin = Pin;
+ enableReceive();
+}
+
+void enableReceive(void) {
+ if (rcReceiverInterruptPin != -1) {
+ rcReceivedValue = 0;
+ rcReceivedBitlength = 0;
+ wiringPiISR(rcReceiverInterruptPin, INT_EDGE_BOTH, &handleInterrupt);
+ }
+}
+
+
+
+/*
+ * Disable receiving data
+ */
+void disableReceive() {
+ // wiringPi disable interrupts ???
+ rcReceiverInterruptPin = -1;
+}
+
+
+
+bool available(void) {
+ return rcReceivedValue != 0;
+}
+
+
+
+void resetAvailable(void) {
+ rcReceivedValue = 0;
+}
+
+
+
+unsigned long getReceivedValue(void) {
+ return rcReceivedValue;
+}
+
+
+
+unsigned int getReceivedBitlength(void) {
+ return rcReceivedBitlength;
+}
+
+
+
+unsigned int getReceivedDelay(void) {
+ return rcReceivedDelay;
+}
+
+
+
+unsigned int getReceivedProtocol(void) {
+ return rcReceivedProtocol;
+}
+
+
+
+unsigned int* getReceivedRawdata(void) {
+ return timings;
+}
+
+
+
+/*
+ * ASK protool 1
+ */
+bool receiveProtocol(int prot, unsigned int changeCount)
+{
+ unsigned long code = 0;
+ unsigned long ldelay = timings[0] / SYNC_FACTOR[prot];
+ unsigned long delayTolerance = ldelay * rcReceiveTolerance * 0.01;
+ int i;
+
+ if (prot < TYPE_MINIMUM || prot > TYPE_MAXIMUM) {
+ return false;
+ }
+
+ for (i = 1; i<changeCount ; i=i+2) {
+
+ if (timings[i] > ldelay * ZERO_FIRST_CYCLES[prot] - delayTolerance &&
+ timings[i] < ldelay * ZERO_FIRST_CYCLES[prot] + delayTolerance &&
+ timings[i+1] > ldelay * ZERO_SECOND_CYCLES[prot] - delayTolerance &&
+ timings[i+1] < ldelay * ZERO_SECOND_CYCLES[prot] + delayTolerance) {
+ code = code << 1;
+ } else if (timings[i] > ldelay * ONE_FIRST_CYCLES[prot] - delayTolerance &&
+ timings[i] < ldelay * ONE_FIRST_CYCLES[prot] + delayTolerance &&
+ timings[i+1] > ldelay * ONE_SECOND_CYCLES[prot] - delayTolerance &&
+ timings[i+1] < ldelay * ONE_SECOND_CYCLES[prot] + delayTolerance) {
+ code+=1;
+ code = code << 1;
+ } else {
+ // Failed
+ i = changeCount;
+ code = 0;
+ }
+ }
+ code = code >> 1;
+ if (changeCount > 6) { // ignore < 4bit values as there are no devices sending 4bit values => noise
+ rcReceivedValue = code;
+ rcReceivedBitlength = changeCount / 2;
+ rcReceivedDelay = ldelay;
+ rcReceivedProtocol = prot;
+ }
+
+ return (code != 0);
+}
+
+
+
+void handleInterrupt() {
+
+ static unsigned int duration;
+ static unsigned int changeCount;
+ static unsigned long lastTime;
+ static unsigned int repeatCount;
+
+
+ long thistime = micros();
+ duration = thistime - lastTime;
+
+ if (duration > 5000 && duration > timings[0] - 200 && duration < timings[0] + 200) {
+ repeatCount++;
+ changeCount--;
+ if (repeatCount == 2) {
+ if (receiveProtocol(TYPE_A, changeCount) == false) {
+ if (receiveProtocol(TYPE_B, changeCount) == false) {
+ if (receiveProtocol(TYPE_C, changeCount) == false) {
+ if (receiveProtocol(TYPE_D, changeCount) == false) {
+ //failed
+ }
+ }
+ }
+ }
+ repeatCount = 0;
+ }
+ changeCount = 0;
+ } else if (duration > 5000) {
+ changeCount = 0;
+ }
+
+ if (changeCount >= RCSWITCH_MAX_CHANGES) {
+ changeCount = 0;
+ repeatCount = 0;
+ }
+ timings[changeCount++] = duration;
+ lastTime = thistime;
+}
+
+
+
+/*
+ * Turns a decimal value to its binary representation
+ */
+char *dec2binWzerofill(unsigned long Dec, unsigned int bitLength)
+{
+ return dec2binWcharfill(Dec, bitLength, '0');
+}
+
+char *dec2binWcharfill(unsigned long Dec, unsigned int bitLength, char fill)
+{
+ static char bin[64];
+ unsigned int i = 0, j;
+
+ while (Dec > 0) {
+ bin[32+i++] = ((Dec & 1) > 0) ? '1' : fill;
+ Dec = Dec >> 1;
+ }
+
+ for (j = 0; j< bitLength; j++) {
+ if (j >= bitLength - i) {
+ bin[j] = bin[ 31 + i - (j - (bitLength - i)) ];
+ } else {
+ bin[j] = fill;
+ }
+ }
+ bin[bitLength] = '\0';
+
+ return bin;
+}
+
+
+void saveProtocol(int prot)
+{
+ backupProtocol = rcProtocol;
+ backupPulseLength = rcPulseLength;
+ backupRepeatTransmit = rcRepeatTransmit;
+
+ setProtocol(prot);
+}
+
+
+
+void loadProtocol(void)
+{
+ rcProtocol = backupProtocol;
+ rcPulseLength = backupPulseLength;
+ rcRepeatTransmit = backupRepeatTransmit;
+}
+
+
+#endif
+