inital commit working

2018-11-26 22:30:39 +01:00
commit 63ff73a066
13 changed files with 644 additions and 0 deletions
--- a/W433DataTransmitter.cpp
+++ b/W433DataTransmitter.cpp
@ -0,0 +1,97 @@
+#include "W433DataTransmitter.h"
+#include "writepin.h"
+
+W433DataTransmitter::W433DataTransmitter(volatile unsigned char *port, unsigned char pin): _port(port), _pin(pin)
+{
+}
+
+void W433DataTransmitter::sendBit(const bool bit) 
+{ 
+    switch(bit)
+    {
+        case true:
+        writePin(_port,_pin,true);
+        _delay_us(SMALL_TIME);
+        writePin(_port,_pin,false);
+        _delay_us(LARGE_TIME);
+        writePin(_port,_pin,true);
+        _delay_us(SMALL_TIME);
+        writePin(_port,_pin,false);
+        _delay_us(LARGE_TIME);
+        break;
+
+        case false:
+        writePin(_port,_pin,true);
+        _delay_us(LARGE_TIME);
+        writePin(_port,_pin,false);
+        _delay_us(SMALL_TIME);
+        writePin(_port,_pin,true);
+        _delay_us(SMALL_TIME);
+        writePin(_port,_pin,false);
+        _delay_us(LARGE_TIME);
+        break;
+    }   
+}
+
+void W433DataTransmitter::sendSyncpulse()
+{
+    for(uint8_t i = 0; i < 25; ++i)
+    {
+        writePin(_port,_pin,true);
+        _delay_us(SYNC_TIME);
+        writePin(_port,_pin,false);
+        _delay_us(SYNC_TIME);
+    }
+}
+
+void W433DataTransmitter::sendEndPulse()
+{
+    writePin(_port,_pin,false);
+    _delay_us(LARGE_TIME);
+    writePin(_port,_pin,true);
+    _delay_us(LARGE_TIME);
+    writePin(_port,_pin,false);
+    _delay_us(LARGE_TIME*10);
+}
+
+void W433DataTransmitter::sendRawData(const uint8_t data)
+{
+    for(uint8_t i = 0; i < 8; i++) sendBit(data & ( 1 << (7 - i)));
+}
+
+void W433DataTransmitter::sendPacket(const uint32_t data)
+{
+    sendSyncpulse();
+    _delay_us(LARGE_TIME);
+    sendRawData(signature);
+    uint8_t checksum = 0;
+    for(uint8_t i = 0; i < 4; ++i)
+    {
+        uint8_t dataOctet = (data & (0xFF000000 >> i*8 )) >> (24 - 8*i);
+        for(uint8_t i = 0; i < 8; i++) checksum = checksum + (dataOctet & ( 1 << (8 - i)));
+        sendRawData( dataOctet );
+        
+    }
+    sendRawData( checksum );
+    sendEndPulse();
+}
+
+void W433DataTransmitter::send(const uint8_t* const data, uint16_t length)
+{
+	uint16_t packets = length/4;
+	if(length % 4 != 0) ++packets;
+    for(uint8_t j = 0; j < packets; j++)
+    {
+        uint32_t paketData = 0;
+        uint8_t* paketDataPointer = reinterpret_cast<uint8_t*>(&paketData);
+        for(uint8_t i = 0; i < 4 && j*4+i < length; i++) paketDataPointer[3-i] = data[j*4+i];
+        sendPacket(paketData);
+    }
+}
+
+void W433DataTransmitter::send(const uint8_t data)
+{
+    sendPacket(data);
+}
+
+