Diff: Slave.cpp

Revision:

1:db9b9bec0133

Child:

2:ecc0c5c14bc1

diff -r 29eeb74e55c6 -r db9b9bec0133 Slave.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Slave.cpp	Wed Mar 14 14:38:43 2018 +0000
@@ -0,0 +1,125 @@
+#include "slave.h"
+#include "string.h"
+#include "temperature.h"
+#include "potentiometer.h"
+#include "lcdcontrol.h"
+#include "led.h"
+#include "buzzer.h"
+
+Temperature temperature;
+Potentiometer potentiometer;
+LcdControl screen;
+Led led;
+Buzzer buzzer;
+
+Slave::Slave()
+    :answer()
+{
+    //Constructor
+}
+
+void Slave::slaveRun(const char* ip)
+{
+    EthernetInterface ethernet;
+    ethernet.init(ip,"255.255.255.0", "192.168.0.1");
+    ethernet.connect();
+    printf("Your ip is: %s", ethernet.getIPAddress());
+    
+    UDPSocket slave;
+    slave.bind(4000);
+    Endpoint master;
+    
+    while(1){
+        char buffer[512] = {0};
+        printf("\nWaiting for UDP packet...\n\r");
+        
+        int n = slave.receiveFrom(master, buffer, sizeof(buffer));
+        buffer[n] = '\0';
+        
+        printf("Received packet from: %s\n\r", master.get_address());
+        printf("Received: '%s'\r\n", buffer);
+        actionSlave(buffer);
+        
+        slave.sendTo(master, answer, 50);
+        answerReset();
+    }
+}
+
+void Slave::actionSlave(const char* bufferke){
+    char* command = strtok((char*)bufferke, " ");
+    char* action = strtok(NULL, " ");
+    if(strcmp(command, "GET") == 0)
+    {
+        getRequest(action);
+    }
+    else if(strcmp(command, "PUT") == 0)
+    {
+        putRequest(action);
+    }
+    else
+    {
+        answerAppend("ACK 4.0 ID");
+    }
+}
+
+void Slave::getRequest(char* action)
+{
+    char temp[8];
+    if(strcmp(action, "/temperature") == 0)
+    {
+        sprintf(temp, "%.3f", temperature.getTemperature());
+        answerAppend("ACK 2.05 ID ");
+        answerAppend(temp);
+    }
+    else 
+    if(strcmp(action, "/potentiometer") == 0)
+    {
+        sprintf(temp, "%.0f", potentiometer.getPotentiometer()*255);
+        answerAppend("ACK 2.05 ID ");
+        answerAppend(temp);
+    }
+    else
+    {
+       answerAppend("ACK 4.0 ID");
+    }
+}
+
+void Slave::putRequest(char* action)
+{
+    if(strcmp(action, "/lcd") == 0)
+    {
+        answerAppend("ACK 2.04 ID");
+        screen.lcdSlave(strtok(NULL, "\0"));
+    }
+    else 
+    if(strcmp(action, "/led") == 0)
+    {
+        answerAppend("ACK 2.04 ID");
+        led.setColor(strtok(NULL, " "));
+    }
+    else
+    if(strcmp(action, "/buzzer") == 0)
+    {
+        answerAppend("ACK 2.04 ID");
+        int one = atoi(strtok(NULL, " -"));
+        int two = atoi(strtok(NULL, " -"));
+        printf("%d %d", one,two);
+        buzzer.playBuzzer(one, two);
+    }
+    else
+    {
+       answerAppend("ACK 4.0 ID");
+    }
+}
+
+void Slave::answerAppend(char* append)
+{
+    strcat(answer, append);
+}
+
+void Slave::answerReset(){
+    for(int i = 0; i < 512; i++)
+    {
+        answer[i] = NULL;
+    }
+}
\ No newline at end of file