Diff: main.cpp

Revision:

0:bef69e35f486

Child:

1:8efef658d90b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Mar 05 10:10:22 2015 +0000
@@ -0,0 +1,118 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "C12832.h"
+
+#define ECHO_SERVER_PORT   6666
+#define LCD_LINE_HEIGHT 12
+#define DELAY_INDICATION 0
+
+#define STR_FAIL "FAIL"
+#define STR_OK "OK"
+#define STR_CLEAR "CLEAR"
+
+Serial pc(USBTX,USBRX);
+DigitalOut myled(LED1);
+C12832 lcd(p5, p7, p6, p8, p11);
+
+PwmOut rOut (p23);
+PwmOut gOut (p24);
+PwmOut bOut (p25);
+
+void setLcdServerInfo(char * ip) {
+    lcd.cls();
+    lcd.locate(0,0);
+    lcd.printf("IP: %s - Port: %d", ip, ECHO_SERVER_PORT);
+}
+
+void setRGB(int r, int g, int b) {
+    rOut = r;
+    gOut = g;
+    bOut = b;
+}
+
+void clearRGB(void) {
+    setRGB(255, 255, 255);
+}
+
+void initRgb(void) {
+    rOut.period(0.001);  // set pwm period
+    gOut.period(0.001);  // set pwm period
+    bOut.period(0.001);  // set pwm period
+    
+    setRGB(255, 255, 255);
+}
+
+void indicateOk(void) {
+    setRGB(255, 0, 255);
+}
+
+void indicateFail(void) {
+    setRGB(0, 255, 255);
+}
+
+int main (void) {
+    // Init RGB led
+    initRgb();
+    
+    pc.baud(115200);
+    EthernetInterface eth;
+    printf("Requesting IP address from DHCP\r\n");
+    eth.init();         //Use DHCP
+    eth.connect();
+    printf("IP Address is %s\r\n", eth.getIPAddress());
+    printf("Listening on port %d\r\n", ECHO_SERVER_PORT);
+    
+    // Set ip on LCD
+    setLcdServerInfo(eth.getIPAddress());
+    
+    TCPSocketServer server;
+    server.bind(ECHO_SERVER_PORT);
+    server.listen();
+    
+    // Status check
+    for (int i = 0; i < 4; i++) {
+        indicateOk();
+        indicateFail();
+    }
+    clearRGB();
+    
+    while (true) {
+        printf("Awaiting client connection ...\r\n");
+        setLcdServerInfo(eth.getIPAddress());
+        lcd.locate(0, LCD_LINE_HEIGHT);
+        lcd.printf("Awaiting connection ...");
+        
+        TCPSocketConnection client;
+        server.accept(client);
+        //client.set_blocking(false, 5000);   // Timeout after (1.5)s
+        
+        printf("Client connected: %s\r\n", client.get_address());
+        setLcdServerInfo(eth.getIPAddress());
+        lcd.locate(0, LCD_LINE_HEIGHT);
+        lcd.printf("Client: %s", client.get_address());
+
+        char buffer[256];
+        while (true) {
+            int n = client.receive(buffer, sizeof(buffer));
+            if (n <= 0) {
+                break;
+            } else {
+                if (strcmp(STR_FAIL, buffer) == 0) {
+                    printf("Received FAIL\r\n");
+                    indicateFail();
+                } else if (strcmp(STR_OK, buffer) == 0) {
+                    printf("Received OK\r\n");
+                    indicateOk();
+                } else if (strcmp(STR_CLEAR, buffer) == 0) {
+                    printf("Clearing\r\n");
+                    clearRGB();
+                } else {
+                    printf("Unknown message %s\r\n", buffer);
+                }
+            }
+        }
+        
+        printf("Client disconnected\r\n");        
+        client.close();
+    }
+}