Revision 2:390c3c1cdf42, committed 2020-11-07

Comitter:

simonmestdagh

Date:

Sat Nov 07 14:52:01 2020 +0000

Parent:

1:b658dfbe2a7c

Commit message:

server robin en simon

Changed in this revision

diff -r b658dfbe2a7c -r 390c3c1cdf42 C12832.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/C12832.lib	Sat Nov 07 14:52:01 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/chris/code/C12832/#7de323fa46fe

diff -r b658dfbe2a7c -r 390c3c1cdf42 main.cpp
--- a/main.cpp	Sat Mar 07 19:26:48 2020 +0000
+++ b/main.cpp	Sat Nov 07 14:52:01 2020 +0000
@@ -1,38 +1,84 @@
 #include "mbed.h"
 #include "EthernetInterface.h"
+#include "C12832.h"
+
+C12832 lcd(D11, D13, D12, D7, D10);
+DigitalOut led(LED1);
+PwmOut r (D5);
+PwmOut g (D8);
+PwmOut b (D9);
+EthernetInterface eth;
+TCPSocket client;
+TCPServer srv(&eth);
+
+void setRGB(int pot)
+{
+
+    r = (float)pot;
+    g = (float)(255-pot);
+    b = (float)0 ;
 
 
-DigitalOut led(LED1);
+}
+
+void setupSocket()
+{
+
+    eth.set_network("192.168.0.18","255.255.255.0","192.168.0.1");
+    eth.connect();
+    printf("The Server IP address is '%s'\n\r", eth.get_ip_address());
+    srv.bind(4000);
+    srv.listen();
+}
+
+void lcdScreen(float temperature){
+    lcd.cls();
+    lcd.locate(0,3);
+    lcd.printf("temperature: %d\r\n", temperature);
+    }
+
+float temperatureDecoder(uint8_t left, uint8_t right)
+{
+    uint16_t tempLowHigh = ((left & 0xFF) << 8 ) | (right & 0xFF);
+    tempLowHigh =  tempLowHigh >> 5;
+//Sign extend negative numbers
+    if (tempLowHigh & (1 << 10)) {
+        tempLowHigh |= 0xFC00;
+    }
+
+//Return the temperature in °C
+    return tempLowHigh * 0.125;
+}
+
 
 int main()
 {
     printf("Server example\n\r");
-    
-    EthernetInterface eth;
-    eth.set_network("192.168.0.40","255.255.255.0","192.168.0.1");
-    eth.connect();
-    
-    printf("The Server IP address is '%s'\n\r", eth.get_ip_address());
-    
-    TCPServer srv(&eth);  
-    
-    srv.bind(4000);
-    
-    srv.listen();
-    
-    while(true){
-        TCPSocket client;
+    setupSocket();
+
+
+
+    while(true) {
+
         SocketAddress client_addr;
         char *buffer = "Hello TCP client!\r\n";
-        
+
         srv.accept(&client, &client_addr);
-        
-        printf("Accepted %s:%d\n\r", client_addr.get_ip_address(), 
-                    client_addr.get_port());
-                    
+
+        printf("Accepted %s:%d\n\r", client_addr.get_ip_address(),
+               client_addr.get_port());
+
         client.send(buffer, 256);
-    
+
+        char rbuffer[64];
+        int rcount = client.recv(rbuffer, sizeof rbuffer);
+        float temperature = temperatureDecoder(rbuffer[1],rbuffer[2]);
+
+        printf("received: %d\r\n", rcount);
+        printf("packet PWM: %d\r\n", rbuffer[0]);
+        printf("packet temp: %d\r\n", temperature);
+        setRGB(rbuffer[0]);
         client.close();
-        
+
     }
-}
+}
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