Implement portail hardcoded

Signed-off-by: ewft <bnj@ewft.org>

portail.c

@@ -21,94 +21,17 @@
 #include "buffer.h"
 #include "utils.h"
 
-unsigned int timings[5][2] = {
-    {275, 275},  //  bit 0
-    {275, 1300}, //  bit 1
-    {275, 9900},  //  start of data
-    {275, 2675}, //  start of frame
-    {275, 2675},  //  end of data
+unsigned int portail_timings[3][2] = {
+    {1140, 375},  //  bit 0
+    {400, 1140}, //  bit 1
+    {790, 790},  //  start of data
 };
 
-unsigned char homeEasyPinOut = 0;
-unsigned char homeEasyPinIn = 2;
-
-
-/**
- * Encode bits with HomeEasy encoding (1 => 10, 0 => 01)
- *
- * @param frame 32-bit frame to encode
- *
- * @return new buffer
- * */
-BYTE_BUFFER homeEasyEncode(unsigned long int frame)
-{
-    BYTE_BUFFER result = createByteBuffer();
-    unsigned int i;
-    for(i=0; i<4; i++) {
-        pushWord(&result, encodeByte((frame >> ((3 - i) * 8)) & 0xff));
-    }
-    return result;
-}
-
-/**
- * Decode bits with HomeEasy encoding (1 => 10, 0 => 01)
- *
- * @param buffer the buffuer to decode
- *
- * @return new frame
- * */
-unsigned long int homeEasyDecode(BYTE_BUFFER *buffer)
-{
-    unsigned long int result = 0;
-    unsigned short int word;
-    unsigned char *byte = (unsigned char*)&word;
-    unsigned int i;
-    for(i=0; i<(buffer->size+1)/2; i++) {
-        byte[1] = buffer->data[2*i];
-        byte[0] = (2*i+1 < buffer->size ? buffer->data[2*i+1]:0);
-        result += (decodeByte(word)) << ((3 - i)* 8);
-    }
-    return result;
-}
-
-/**
- * Decode a byte according to HomeEasy
- *
- * @param byte the byte to decode
- *
- * @return the decoded byte
- */
-unsigned char decodeByte(unsigned short int word)
-{
-    unsigned char decodedChar=0;
-    int j;
-    int shift = 7;
-    for(j=0x8000;j>0; j>>=2) {
-	    decodedChar |= (((word & j) == j) ? 0x01 : 0x00) << shift;
-		shift -=1;
-    }
-    return decodedChar;
-}
-
-/**
- * Encode a byte according to HomeEasy
- *
- * @param byte the byte to encode
- *
- * @return the encoded byte
- */
-unsigned short int encodeByte(unsigned char byte)
-{
-    unsigned short int encodedChar=0;
-    int j;
-    int shift = 14;
-    for(j=0x80;j>0; j>>=1) {
-	      encodedChar |= (((byte & j) == j) ? 0x02 : 0x01) << shift;
-	      shift -=2;
-    }
-    return encodedChar;
-}
+extern unsigned char homeEasyPinOut;
+extern unsigned char homeEasyPinIn;
 
+unsigned char frame[5];
+unsigned int size = 0;
 /**
  * Create a complete command according to Chacon protocole
  *
@@ -119,19 +42,17 @@ unsigned short int encodeByte(unsigned char byte)
  * 
  * @return HomeEasy frame
  */
-unsigned long int createHomeEasyCommand(unsigned long int id, char section, unsigned char nb, unsigned char on)
+void createPortailCommand(unsigned long int id, char section)
 {
-    unsigned long int command = id << 6;
-    char formatedSection = (section<='Z' ? section : section + 'A' - 'a');
-    // adding global
-    command |= (formatedSection == 'G' ? 0x20 : 0);
-    // adding on/off
-    command |= (on ? 0x10 : 0);
-    // adding section
-    command |= ((formatedSection == 'G' ? 0 : formatedSection - 'A') << 2) & 0x0c;
-    // adding num
-    command |= (formatedSection == 'G' ? 0 : nb-1) & 0x03;;
-    return command;
+
+	frame[0]=0xB6;
+	frame[1]=0xF7;
+	frame[2]=0x7B;
+	frame[3]=0xA1;
+	frame[4]=0x00;
+	size = 36;
+
+    return;
 }
 
 /**
@@ -145,13 +66,11 @@ void sendFrame(BYTE_BUFFER frame, unsigned int repeat)
     unsigned int i;
     // switch to real time
     cpuMode(REAL_TIME);
-    // send header
-    sendHomeEasyBit(START_OF_DATA);
-    sendHomeEasyBit(START_OF_FRAME);
     // repeat the command
     for(i=0; i<repeat; i++) {
-        sendHomeEasyBytes(frame);
-        sendHomeEasyBit(END_OF_FRAME);
+    	sendPortailBit(START_OF_DATA);
+        sendPortailBytes();
+        sendPortailBit(BIT0);
     }
     digitalWrite(homeEasyPinOut, LOW);
     // Exit real time mode
@@ -167,122 +86,14 @@ void sendFrame(BYTE_BUFFER frame, unsigned int repeat)
  * @param on boolean for on/off
  * @param repeat number of repeatition
  */
-void sendHomeEasyCommand(unsigned long int id, char section, unsigned char nb, unsigned char on, unsigned char repeat)
+void sendPortailCommand(unsigned int id, char button, unsigned char repeat)
 {
     unsigned long int command;
-    BYTE_BUFFER encoded;
     // build the command
-    command = createHomeEasyCommand(id, section, nb, on);
-    // encode the command
-    encoded = homeEasyEncode(command);
-    // send data
-    sendFrame(encoded, repeat);
+    createPortailCommand(id, button);
+       // send data
+    sendFrame(repeat);
     // release the memory
-    destroyByteBuffer(encoded);
-}
-
-/**
- * retrieve the HomeEasy device ID from a frame
- *
- * @param buffer the buffer that hold the frame
- *
- * @return the device id
- */
-unsigned long int getHomeEasyId(unsigned long int frame)
-{
-    return frame >> 6;
-}
-
-/**
- * Get all information about the homeEasy frame
- *
- * @param frame the frame to read
- * @param id the identifier to extract
- * @param onOff boolean to extract; if true : off
- * @param section letter section to extract
- * @param number number to extract
- */
-void getHomeEasyInfo(unsigned long int frame, unsigned long int* id, unsigned char* onOff, unsigned char* section, unsigned char* number)
-{
-    unsigned char data = (unsigned char)(frame & 0x0000007f);
-    if (id) {
-        *id = getHomeEasyId(frame);
-    }
-    if (onOff) {
-        *onOff = ((data & 0x10) == 0);
-    }
-    if (section) {
-        if ((data & 0x20) == 0x20) {
-            *section = 'G';
-        } else {
-            *section = ((data & 0x0f) >> 2) + 'A';
-        }
-    }
-    if (number) {
-        if ((data & 0x20) != 0x20) {
-            *number = 1 + (data & 0x03);
-        } else {
-            *number=0;
-        }
-    }
-}
-
-/**
- * Configure the GPIO output pin
- *
- * @param pinNumber wiringPi pin number
- */
-void setHomeEasyTransmittorPin(unsigned char pinNumber)
-{
-    homeEasyPinOut = pinNumber;
-}
-
-/**
- * read the GPIO output pin
- *
- * @return wiringPi pin number
- */
-unsigned char getHomeEasyTransmittorPin()
-{
-    return homeEasyPinOut;
-}
-
-/**
- * Configure the GPIO input pin
- *
- * @param pinNumber wiringPi pin number
- */
-void setHomeEasyReceptorPin(unsigned char pinNumber)
-{
-    homeEasyPinIn = pinNumber;
-}
-
-/**
- * read the GPIO input pin
- *
- * @return wiringPi pin number
- */
-unsigned char getHomeEasyReceptorPin()
-{
-    return homeEasyPinIn;
-}
-
-/**
- * Init input/output
- *
- * @return status
- */
-int initIO()
-{
-    int status;
-    status = wiringPiSetup();
-    if (status != -1) {
-        pinMode(homeEasyPinIn, INPUT);
-        pinMode(homeEasyPinOut, OUTPUT);
-    } else {
-        printf("GPIO setup failed %d\n", status);
-    }
-    return status;
 }
 
 /**
@@ -290,13 +101,12 @@ int initIO()
  *
  * @param bit the bit to transmit (0 | 1 | TRIGGER0 | TRIGGER1 | END_OF_FRAME)
  */
-void sendHomeEasyBit(unsigned char bit)
+void sendPortailBit(unsigned char bit)
 {
-    digitalWrite(homeEasyPinOut, HIGH);
-    delayMicroseconds(timings[bit][0]);
     digitalWrite(homeEasyPinOut, LOW);
-    delayMicroseconds(timings[bit][1]);
+    delayMicroseconds(portail_timings[bit][0]);
     digitalWrite(homeEasyPinOut, HIGH);
+    delayMicroseconds(portail_timings[bit][1]);
 }
 
 /**
@@ -304,11 +114,11 @@ void sendHomeEasyBit(unsigned char bit)
  *
  * @param byte the byte to transmit
  */
-void sendHomeEasyByte(unsigned char byte)
+void sendPortailByte(unsigned char byte, unsigned int bits)
 {
     int i;
-    for(i=0x80;i>0; i>>=1) {
-    	sendHomeEasyBit((byte & i) == i);
+    for(i=(0x01 << (bits-1));i>0; i>>=1) {
+    	sendPortailBit((byte & i) == i);
     }
 }
 
@@ -317,62 +127,14 @@ void sendHomeEasyByte(unsigned char byte)
  *
  * @param buffer the buffer to transmit
  */
-void sendHomeEasyBytes(BYTE_BUFFER buffer)
+void sendPortailBytes(void)
 {
-    unsigned int i;
-    for(i=0; i<buffer.size; i++) {
-        sendHomeEasyByte(buffer.data[i]);
-    }
-}
+    int i;
 
-/**
- * Calculate the length of the frame
- *
- * @param data data to scan (each byte represent a bit)
- * @param high length of high level
- * @param low length of low level
- *
- * @return total length of the frame
- */
-unsigned int frameSize(unsigned char* data, unsigned int* high, unsigned int* low)
-{
-    unsigned int i=0;
-    if (high) *high = 0;
-    if (data[i] == 1) {
-        for(i=0; data[i]; i++) ;
-        if (high) *high = i;
+    for(i = 0; i < size; i+=8 ) {
+    	register unsigned int bits = (size - i >= 8) ? 8: (size - i);
+        sendPortailByte(frame[i],bits);
     }
-    for(;  !data[i]; i++) ;
-    if (low) *low = i - *high;
-    return i;
 }
 
-/**
- * Reading data from GPIO
- *
- * @param samples number of samples to read
- * @param duration waiting time between samples
- *
- * @return buffer
- */
-BYTE_BUFFER readData(unsigned long int samples, unsigned int duration)
-{
-    struct timeval* start;
-    BYTE_BUFFER result;
-    unsigned long int i;
 
-    result = createByteBuffer();
-    result.size = samples;
-    result.data = (char*) realloc(result.data, samples);
-
-    cpuMode(REAL_TIME);
-    start = showTime(0);
-    for(i=0; i<samples; i++) {
-        result.data[i] = digitalRead(homeEasyPinIn);
-        delayMicroseconds(duration);
-    }
-    showTime(start);
-    cpuMode(STANDARD);
-
-    return result;
-}