Diff: main.cpp

Revision:

0:0b32d3eaabfe

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Oct 23 20:16:05 2015 +0000
@@ -0,0 +1,151 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "gen_helper.h"
+#include "FATFileSystem.h"
+#include "ff.h"
+#include "SDFileSystem.h"
+
+
+#define INCREASE_PWM_VALUE                 0
+#define DECREASE_PWM_VALUE                 1
+#define DRAW_ON_SCREEN                     2
+#define FADE_SCREEN_AND_TURN_OFF           3
+#define INCREASE_SCREEN_BRIGHTNESS_TO_FULL 4
+#define SET_UP_SCREEN                      5
+
+/* Init connections */
+void init();
+void read_temperature();
+
+Serial main_console(USBTX, USBRX);
+SDFileSystem sd(P8_5, P8_6, P8_3, P8_4, "sd"); // SD card interface through SPI
+SPI temp_sense(P4_6, P4_7, P4_4);
+DigitalOut cs(P4_5);
+
+EthernetInterface ethInf;
+TCPSocketServer server;
+TCPSocketConnection* sock_connection;
+gen_helper *helper; // Helper instance
+
+int main() 
+{
+    main_console.printf("START\n");
+    helper = new gen_helper(P10_14, P10_15, P10_12, P10_13, P3_15, P3_14, USBTX, USBRX, P4_6);
+    helper->init_console();
+    helper->lcd_init();
+    
+    main_console.printf("Starting connecting in V2 \n");
+    
+    /* Init Eth on a static IP and gateway */
+    ethInf.init(HOST_IP_ADDR, HOST_SUBNET, HOST_GATEWAY);
+    main_console.printf("Init eth\n");
+    
+    ethInf.connect();
+    main_console.printf("Connected eth\n");
+    
+    /* Init the TCP server after init Ethernet */
+    init();
+    
+    return 0; //should never come here
+}
+
+/* Start the eth interface and listen for incoming connections */
+void init()
+{
+    /* Bind this server to a specific port */
+    main_console.printf("Binding\n");
+    int bind_status = server.bind(HOST_PORT);
+    main_console.printf("Bound on port %d with status %d\n", HOST_PORT, bind_status);
+    
+    /* Listen on the port for incoming connections */
+    int listen_status = server.listen();
+    main_console.printf("Listen status %d\n", listen_status);
+    
+    /* Accept incoming connections */
+    sock_connection = new TCPSocketConnection();
+    int conn_accept_status = server.accept(*sock_connection);
+    main_console.printf("Connection accept status %d\n",conn_accept_status);
+    
+    char meta_data[1] = {'\0'}; // holds the command from the client
+    
+    while(1) 
+    {
+        sock_connection->receive(meta_data, sizeof(meta_data));
+
+        switch((int)(meta_data[0] % 48)) {
+            
+            case INCREASE_PWM_VALUE:
+                main_console.printf("Increasing screen brightness\n");
+                helper->pwm = helper->pwm + 0.1;
+                break;
+
+            case DECREASE_PWM_VALUE:
+                main_console.printf("Decreasing screen brightness\n");
+                helper->pwm = helper->pwm - 0.1;
+                break;
+
+            case DRAW_ON_SCREEN:
+                //Divide the screen in two sections and fill them with different colours
+                /*helper->fill_rect(0, 0, 128, 120, BROWN);
+                helper->fill_rect(0, 120, 128, 160, SKYBLUE);*/
+                
+                //Draw the pattern
+                //helper->draw_pattern_helper();
+                break;
+
+            case FADE_SCREEN_AND_TURN_OFF:
+                main_console.printf("Fading screen\n");
+                
+                for(float i = 0.0f; i < 1.0f; i+=0.1f)
+                {
+                    main_console.printf("i %f\n", i);
+                    if(helper->pwm > 0.0f)
+                    {
+                        helper->pwm = helper->pwm - i;
+                        wait(0.3);
+                    }
+                }
+                
+                break;
+
+            case INCREASE_SCREEN_BRIGHTNESS_TO_FULL:
+                
+                main_console.printf("Increasing screen brightness to full\n");
+                
+                float cur_bright = helper->pwm;
+                
+                for(float i = 0.0f; i < (1.0f - cur_bright); i+=0.1f) 
+                {
+                    helper->pwm = helper->pwm + i;
+                    wait(0.3);
+                }
+                
+                break;
+
+            case SET_UP_SCREEN:
+                //helper->fill_rect(0, 0, 128, 160, WHITE); //Just fill the whole screen with a colour, in this case white.
+                break;
+
+            default:
+                main_console.printf("Junk\n");
+                break;
+        }
+    }
+}
+
+
+/* Testing the temp sensor in a continuous loop */
+void read_temperature()
+{
+    temp_sense.format(8, 3); //set SPI to 8-bit data rate
+    while(1) 
+    {
+        cs = 1;
+        temp_sense.write(0x01);
+        int temp = temp_sense.write(0x02);
+        cs = 0;
+        main_console.printf("Temp %d\n", temp);
+        wait(0.5);
+    }
+
+}
\ No newline at end of file