Diff: main.cpp

Revision:

0:8bda299b839b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Sep 07 13:38:17 2017 +0000
@@ -0,0 +1,193 @@
+//client_showout
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "C12832.h"
+
+C12832 lcd(D11, D13, D12, D7, D10);
+DigitalOut red(LED_RED);
+DigitalOut green(LED_GREEN);
+
+static const char* SERVER_IP = "192.168.1.1";
+static const char* CLIENT_IP = "192.168.1.2";
+static const char* MASK = "255.255.255.0";
+static const char* GATEWAY = "192.168.1.1";
+EthernetInterface eth;
+Thread *transmitter;
+Thread *receiver;
+Thread *init;
+void transmit(void const *args);
+void receive(void const *args);
+void init_eth(void const *args);
+int n;
+char counter[7]= {0};
+char counter1[4]= {0};
+
+//init eth point
+void init_eth(void const *args)
+{
+    eth.init(CLIENT_IP, MASK, GATEWAY);
+    int num=eth.connect();
+    if(num!=-1) {
+        transmitter= new Thread(transmit);
+        receiver=new Thread(receive);
+    }
+}
+//transmit function send information 
+void transmit(void const *args)
+{
+    Endpoint server;
+    UDPSocket sock;
+    sock.init();
+    server.set_address(SERVER_IP, 6503);
+    while(1) {
+        sock.sendTo(server, counter, sizeof(counter));
+    }
+}
+//receive function receive to array "counter1"
+void receive(void const *args)
+{
+    UDPSocket server;
+    Endpoint client;
+    server.bind(6500);
+    while(1) {
+        client.set_address(CLIENT_IP,6500);
+        n = server.receiveFrom(client, counter1, sizeof(counter1));
+        if (counter1[0]==0&&counter1[1]==0&&counter1[2]==1) {
+            red =0;
+            green=1;
+            lcd.cls();
+            lcd.locate(0,3);
+            lcd.printf("red %d sec to green",counter1[3]);
+            //lcd.locate(0,15);
+            //lcd.printf("%d sec to green",counter1[3]);
+        } else if (counter1[0]==0&&counter1[1]==1&&counter1[2]==0) {
+            green =0;
+            red =1;
+            lcd.cls();
+            lcd.locate(0,3);
+            lcd.printf("green %d sec to yellow",counter1[3]);
+            //lcd.locate(0,15);
+            //lcd.printf("%d sec to yellow",counter1[3]);
+        } else if(counter1[0]==1&&counter1[1]==0&&counter1[2]==0) {
+            red =0;
+            green =0;
+            lcd.cls();
+            lcd.locate(0,3);
+            lcd.printf("yellow %d sec to red",counter1[3]);
+            /*lcd.locate(0,15);
+            lcd.printf("%d sec to red",counter1[3]);*/
+        }
+        wait(0.3f);
+    }
+}
+//random 0-9 number
+char random_num(void)
+{
+    return rand()%9;
+}
+//random 0-25 number
+char random_1_ABC(void)
+{
+    return 1+rand()%25;
+}
+//num 0-25 <=>'A'-'Z'
+char random_2_ABC(char x)
+{
+    if(x==1) {
+        return 'A';
+    } else if(x==2) {
+        return 'B';
+    } else if(x==3) {
+        return 'C';
+    } else if(x==4) {
+        return 'D';
+    } else if(x==5) {
+        return 'E';
+    } else if(x==6) {
+        return 'F';
+    } else if(x==7) {
+        return 'G';
+    } else if(x==8) {
+        return 'H';
+    } else if(x==9) {
+        return 'I';
+    } else if(x==10) {
+        return 'J';
+    } else if(x==11) {
+        return 'K';
+    } else if(x==12) {
+        return 'L';
+    } else if(x==13) {
+        return 'M';
+    } else if(x==14) {
+        return 'N';
+    } else if(x==15) {
+        return 'O';
+    } else if(x==16) {
+        return 'P';
+    } else if(x==17) {
+        return 'Q';
+    } else if(x==18) {
+        return 'R';
+    } else if(x==19) {
+        return 'S';
+    } else if(x==20) {
+        return 'T';
+    } else if(x==21) {
+        return 'U';
+    } else if(x==22) {
+        return 'V';
+    } else if(x==23) {
+        return 'W';
+    } else if(x==24) {
+        return 'X';
+    } else if(x==25) {
+        return 'Y';
+    } else {
+        return 'Z';
+    }
+}
+//first 2 vehicle number
+char first_2_word(void)
+{
+    while(1) {
+        char num =random_2_ABC(random_1_ABC());
+        if(num!='I'&&num!='Q'&&num!='Z') {
+            return num;
+        }
+    }
+}
+//last 3 vehicle number
+char last_3_word(void)
+{
+    while(1) {
+        char num =random_2_ABC(random_1_ABC());
+        if(num!='I'&&num!='Q') {
+            return num;
+        }
+    }
+}
+//send all vehicle number to array "counter"
+void setcounter1(void)
+{
+    counter[0]=first_2_word();
+    counter[1]=first_2_word();
+    counter[2]=random_num();
+    counter[3]=random_num();
+    counter[4]=last_3_word();
+    counter[5]=last_3_word();
+    counter[6]=last_3_word();
+    /*lcd.cls();
+    lcd.locate(0,3);
+    lcd.printf("%c%c%d%d%c%c%c",counter[0],counter[1],counter[2],counter[3],counter[4],counter[5],counter[6]);*/
+    wait(3);
+}
+int main()
+{
+    red =1;
+    green =1;
+    init=new Thread(init_eth);
+    while (true) {
+        setcounter1();
+    }
+}