main.cpp

00001 //////////////////////////////////////////////////////////
00002 //Nest Egg Inc.                                         //
00003 //Wi-Fi TANK with Air conditioner                       //
00004 //                                                      //
00005 //SD card module must be Normal chip select mode.       //
00006 //Do not use wwChipSelect.cpp & wwChipSelect.h          //
00007 //White Wizard Chip Select setting must be              //
00008 //invalidated.                                          //
00009 //////////////////////////////////////////////////////////
00010 
00011 #include "mbed.h"
00012 #include "EthernetNetIf.h"
00013 #include "HTTPServer.h"
00014 #include "RPCFunction.h"
00015 
00016 #include "string.h"
00017 #include "stdio.h"
00018 
00019 //SD-----------------------
00020 #include "SDFileSystem.h"
00021 
00022 //semaphore----------------
00023 #include "Semaphore.h"
00024 
00025 #define SDch        0x05
00026 #define MAXdatanum  500
00027 #define TimeLimit   3000
00028 #define pul38khz       26
00029 #define pul38k_ON      13
00030 #define pul38k_OFF     26
00031 
00032 #define test 1
00033 
00034 //semaphore----------------
00035 Semaphore sem;
00036 volatile char shared_resource = 'a';   // This is a shared resource for example.
00037 #define LOCK() sem.try_enter()
00038 #define UNLOCK() sem.release()
00039 
00040 //prototype
00041 void send_pulse(int, int);
00042 
00043 SDFileSystem sd(p5, p6, p7, p8, "sd");
00044 //-------------------------
00045 
00046 //IR-----------------------
00047 PwmOut Pulse_pin(p25);
00048 //-------------------------
00049 
00050 DigitalOut led1(LED1);
00051 DigitalOut led2(LED2);
00052 DigitalOut led3(LED3);
00053 DigitalOut led4(LED4);
00054 
00055 DigitalOut motor1(p21);
00056 DigitalOut motor2(p22);
00057 DigitalOut motor3(p23);
00058 DigitalOut motor4(p24);
00059 
00060 AnalogIn ad19(p19);
00061 AnalogIn ad20(p20);
00062 
00063 #if 1
00064 /*
00065  * Use DHCP
00066  */
00067         EthernetNetIf ethif;
00068 #else
00069 /*
00070  * Use "static IP address" (Parameters:IP, Subnet mask, Gateway, DNS)
00071  */
00072         EthernetNetIf ethif(IpAddr(xxx,xxx,xxx,xxx), IpAddr(xxx,xxx,xxx,xxx), IpAddr(xxx,xxx,xxx,xxx), IpAddr(xxx,xxx,xxx,xxx));
00073 #endif
00074     
00075     HTTPServer server;
00076     LocalFileSystem local("local");
00077     void MotorSig(char *input,char *output);
00078     void ReadStatus(char *input,char *output);
00079     RPCFunction rpcFunc(&MotorSig, "MotorSig");
00080     RPCFunction readrpcFunc(&ReadStatus, "ReadStatus");
00081 
00082 int main(void) {
00083     //Base::add_rpc_class<DigitalOut>();
00084     //Base::add_rpc_class<AnalogIn>();
00085 
00086     if (ethif.setup()) {
00087         error("Ethernet setup failed.");
00088         return 1;
00089     }
00090     
00091     IpAddr ethIp=ethif.getIp();
00092     
00093     led1=1;
00094     wait(1);
00095     server.addHandler<SimpleHandler>("/hello");
00096     server.addHandler<RPCHandler>("/rpc");
00097     FSHandler::mount("/local", "/");
00098     server.addHandler<FSHandler>("/");
00099     server.bind(80);
00100     while (1) {
00101         Net::poll();
00102     }
00103 
00104 }
00105 
00106 
00107 void MotorSig(char *input , char *output)
00108 {
00109     //for data-----------------------
00110     int     IRdata[MAXdatanum];
00111     int     pulsetime[MAXdatanum];
00112     int     j = 0;
00113     int     datanum = 0;
00114     int     pHL = 0;    
00115     int     t = 0; 
00116 //    FILE    *fp1;
00117     
00118     //text---------------------------
00119     int length = 0;
00120     char *str;
00121     char *str1;
00122     char str2[30] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
00123     char str3[30] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
00124     
00125     //get input data length
00126     for (length = 0; input[length] != '\0'; length++);
00127     
00128     //check data
00129     printf("length = %d : input = %s\n", length, input);
00130     
00131     //check period of extension
00132     if((length > 4)&&(input[length-4] == '.')){
00133         //data
00134         //printf("data mode start\n");
00135         
00136         //read file from micro SD card
00137         str1 = "/sd/";
00138         //printf("%s\n",str1);
00139         for(j = 0; j < length; j++){
00140             //printf("j=%d  input[%d] = %c\n",j,j,input[j]);
00141             str2[j] = input[j];
00142         }
00143         
00144        // printf("str1 = %s\n",str1);
00145         //printf("str2 = %s\n",str2);
00146         
00147         strcpy(str3, str1);
00148         //printf("strcpy = %s\n",str3);
00149         
00150         strcat(str3, str2);
00151         //printf("strcat = %s\n",str3);
00152         
00153         for (length = 0; (str3[length] != '\0'); length++);
00154         
00155         FILE *fp1 = fopen(str3, "r");
00156         //FILE *fp1 = fopen("/sd/off.csv", "r");
00157         
00158         if(fp1 == NULL){
00159             printf("can not open data file!\n");
00160             
00161         }else{
00162             printf("loading %s ...\n",str3);
00163             datanum = 0;           
00164         
00165             fscanf(fp1, "%d\n",&datanum);    //read from SD
00166             printf("datanum, %d\n",datanum);
00167             
00168             Pulse_pin.period_us(pul38khz);
00169             
00170             j=0;
00171             for(j=0;j<datanum;++j){
00172                  fscanf(fp1, "%d,%d,\n", &pHL, &t);
00173                  IRdata[j] = pHL;
00174                  pulsetime[j] = t;
00175             }
00176             
00177             
00178             fclose(fp1);
00179             printf("close fp1\n");
00180             
00181             j=0;
00182             if (LOCK()) {
00183                 for(j=0;j<datanum;++j){
00184                     send_pulse(IRdata[j],pulsetime[j]);
00185                 }
00186                 UNLOCK();
00187                 printf("WW sent IR data!\n");
00188             }
00189                 
00190                 Pulse_pin.pulsewidth(pul38k_OFF);
00191         }
00192         
00193     }else{
00194         //controller
00195         printf("controller mode start\n");
00196     
00197         str = "forward";
00198         if (strcmp(input,str) == 0){
00199             //printf("input OK!\n");
00200             motor1 = 0;
00201             motor2 = 1;
00202             motor3 = 1;
00203             motor4 = 0;
00204                 
00205             led1 = 0;
00206             led2 = 1;
00207             led3 = 1;
00208             led4 = 0;
00209         }
00210         
00211         str = "stop";
00212         if (strcmp(input,str) == 0){
00213             //printf("input OK!\n");
00214             motor1 = 0;
00215             motor2 = 0;
00216             motor3 = 0;
00217             motor4 = 0;
00218                 
00219             led1 = 0;
00220             led2 = 0;
00221             led3 = 0;
00222             led4 = 0;
00223         }
00224         
00225         str = "back";
00226         if (strcmp(input,str) == 0){
00227             //printf("input OK!\n");
00228             motor1 = 1;
00229             motor2 = 0;
00230             motor3 = 0;
00231             motor4 = 1;
00232                 
00233             led1 = 1;
00234             led2 = 0;
00235             led3 = 0;
00236             led4 = 1;
00237         }
00238         
00239         str = "right";
00240         if (strcmp(input,str) == 0){
00241             //printf("input OK!\n");
00242             motor1 = 0;
00243             motor2 = 1;
00244             motor3 = 0;
00245             motor4 = 1;
00246                 
00247             led1 = 0;
00248             led2 = 1;
00249             led3 = 0;
00250             led4 = 1;
00251         }
00252         
00253         str = "left";
00254         if (strcmp(input,str) == 0){
00255             //printf("input OK!\n");
00256             motor1 = 1;
00257             motor2 = 0;
00258             motor3 = 1;
00259             motor4 = 0;
00260                 
00261             led1 = 1;
00262             led2 = 0;
00263             led3 = 1;
00264             led4 = 0;
00265         }
00266     }
00267     //-------------------------------
00268 }
00269 
00270 void ReadStatus(char * input, char * output){
00271 
00272     float   ADdata19,ADdata20,temp,humid;
00273     char    str[30] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
00274     
00275     ADdata19 = ad19.read()*3.3;
00276     ADdata20 = ad20.read()*3.3;
00277     
00278     temp = 100*(ADdata20-0.5);       //temp
00279     humid = (80.0/1.3)*(ADdata19-0.6);    //humid
00280     
00281     sprintf( str, "T : %.1f <br>  H : %.1f", temp, humid);
00282     sprintf(output, str);
00283 }
00284 
00285 void send_pulse(int pHL, int t){
00286 
00287     int k = 0;
00288     
00289     if(pHL == 0){
00290         //38kHz pulse on
00291         Pulse_pin.pulsewidth_us(pul38k_ON);
00292         
00293     }else if(pHL == 1){
00294         //38kHz pulse off
00295         Pulse_pin.pulsewidth(pul38k_OFF);
00296         
00297     }else{
00298         Pulse_pin.pulsewidth(pul38k_OFF);
00299         printf("\n\n-----Data format is incorrect!!-----\n pHL = %d, t = %d \n", pHL, t);
00300         
00301     }
00302         for(k = 0; k < t; ++k){
00303             wait_us(50);
00304         }
00305 }
00306 
00307