main.cpp

00001 #include "mbed.h"
00002 
00003 # include "string.h"
00004 
00005 #include "TextLCD.h"
00006 
00007 #include "ConfigFile.h"
00008 
00009 #include "eth_comfort.h"
00010 #include "rfm.h"
00011 #include "rfm12b.h"
00012 
00013 /*!
00014  * \file       main.cpp
00015  * \brief      Read messages from ETH-Radio-Shutters and send On/Off-Commands to KNX (via freebus-rs-interface)
00016  * \author     Karl Zweimüller
00017  */
00018 
00019 TextLCD lcd(p30, p29, p28, p27, p26, p25, TextLCD::LCD16x2); // rs, e, d0-d3
00020 
00021 eth_comfort eth_comf(p11, p12, p13, p14, p18, LED4); // mosi, miso, sclk, cs, rxdata, rxled
00022 
00023 Serial pc(USBTX, USBRX); // tx, rx
00024 
00025 //Freebus-RS-Interface connected to serial
00026 Serial knxrs(p9, p10);  // tx, rx
00027 
00028 // Filesystem for Config-File
00029 LocalFileSystem local("local");
00030 
00031 ConfigFile cfg;
00032 
00033 // mbed LEDs
00034 /*
00035 DigitalOut led1(LED1);
00036 DigitalOut led2(LED2);
00037 DigitalOut led3(LED3);
00038 DigitalOut led4(LED4);
00039 */
00040 
00041 //---------------------------------------------------------------------
00042 //
00043 //---------------------------------------------------------------------
00044 
00045 int main() {
00046 
00047     char group[255];                          // the KNX-Group-address
00048     char ethid[255];                          //the ETH-ID  as string
00049     char command[255];                        // a command to send to the freebus rs-interface
00050 
00051     eth_message message;                      // holds a message from the ETH-window-shutter
00052 
00053     pc.baud(115200);
00054 
00055     pc.printf("\n\rConnected to mbed\n\r");
00056     lcd.printf("ETH-Freebus: OK\n");
00057 
00058     /*
00059      * Read the configuration file from mbed.
00060      */
00061     if (!cfg.read("/local/knx.cfg")) {
00062         pc.printf("Failure to read configuration file knx.cfg.\n\r");
00063     }
00064 
00065 
00066     // initialize freebus-rs-interface
00067     // 115.200 Baud,n,8,1
00068     knxrs.baud(115200);
00069 
00070     knxrs.printf("fbecho=0\r");   //switch off echo
00071 
00072 
00073     do {
00074         // anything new?
00075         if (eth_comf.readable()) {
00076             // read the new message and display
00077             message = eth_comf.getMessage();
00078             pc.printf("\n\rCounter: %02X\n\r",message.cnt);
00079             pc.printf(    " Dev-ID: %06X\n\r",message.adr);
00080             pc.printf(    "    cmd: %0X\n\r",message.cmd);
00081             //pc.printf(    "cmd&0x80: %0X\n\r",message.cmd&0x80);
00082             // why doesn't work the following??????????????
00083             //pc.printf(    "Battery: ");
00084             //if (message.cmd&0x80 == 0x00) pc.printf("GOOD\n\r"); else pc.printf("WEAK\n\r");
00085 
00086             pc.printf(    "Window : %s\n\r\n\r", (message.cmd&0x01 != 0x00) ? "OPEN" : "CLOSE");
00087             lcd.cls();
00088             lcd.printf("#:%02X ID: %06X\n",message.cnt,message.adr);
00089             lcd.printf("Window : %s\n", (message.cmd&0x01 != 0x00) ? "OPEN" : "CLOSE");
00090             pc.printf("\n\r");
00091 
00092 
00093             // convert id to string
00094             sprintf(ethid,"%06X",message.adr);
00095             /*
00096             * Get the group address from configuration value.
00097             */
00098             if (cfg.getValue(ethid, &group[0], sizeof(group))) {
00099                 pc.printf("Config-File: '%s'='%s'\n\r", ethid,group );
00100             } else {
00101                 strcpy(group ,"");
00102             }
00103 
00104 
00105             if (strlen(group) > 0) {
00106                 sprintf(command, "fbs01/%s=%s\r",group,(message.cmd&0x01 != 0x00) ? "1" : "0");  // EIS01 on Group-address group : Open=1 Close=0
00107                 // Send a KNX-Telegramm
00108                 knxrs.printf("%s",command);
00109                 pc.printf("%s\n\r",command);
00110             } else {
00111                 // device not in config file, so add it
00112                 // add the new device to the config and write file
00113                 pc.printf("new unknown device!\n\r");
00114                 /* we don't write the file, as all comments are lost
00115                 if (!cfg.setValue(ethid, "")) {
00116                     error("Failure to set a value.\n\r");
00117                 }
00118                 if (!cfg.write("/local/knx.cfg")) {
00119                     error("Failure to write the configuration file.\n\r");
00120                 }
00121                 */
00122             }
00123         }
00124     } while (1==1);
00125 
00126 }
00127 
00128