main.cpp

00001 /******************************************************************************
00002  * Includes
00003  *****************************************************************************/
00004 
00005 #include "mbed.h"
00006 
00007 #include "LcdController.h"
00008 #include "EaLcdBoard.h"
00009 #include "sdram.h"
00010 
00011 #include "BubbleDemo.h"
00012 #include "EthernetInterface.h"
00013 #include "TCPSocketConnection.h"
00014 #include "cmsis_os.h"
00015 
00016 
00017 /******************************************************************************
00018  * Typedefs and defines
00019  *****************************************************************************/
00020 
00021 #define RESET_FLAG  \
00022   do { \
00023     if (abortTest) { \
00024       abortTest = false; \
00025       wait(0.04); \
00026     } \
00027   } while(false)
00028 
00029 /******************************************************************************
00030  * Local variables
00031  *****************************************************************************/
00032 
00033 static InterruptIn buttonInterrupt(P2_10);
00034 static DigitalOut led(LED1);
00035 static DigitalOut led3(LED3);
00036 
00037 static BubbleDemo* bubbleDemo;
00038 
00039 /******************************************************************************
00040  * Global variables
00041  *****************************************************************************/
00042 
00043 EaLcdBoard lcdBoard(P0_27, P0_28);
00044 bool abortTest = false;
00045 
00046 /******************************************************************************
00047  * Interrupt functions
00048  *****************************************************************************/
00049 
00050 void trigger() {
00051     abortTest = true;
00052 }
00053 
00054 /******************************************************************************
00055  * Main
00056  *****************************************************************************/
00057 
00058 void bubble_thread(void const *argument) {
00059     while (true) {
00060         bubbleDemo->run(750, 20);
00061         RESET_FLAG;
00062     }
00063 }
00064 void net_thread(void const *argument) {
00065     EthernetInterface eth;
00066     eth.init(); //Use DHCP
00067     eth.connect();
00068     printf("IP Address is %s\n", eth.getIPAddress());
00069     TCPSocketConnection sock;
00070     while (true) {
00071         led3 = !led3;
00072         sock.connect("mbed.org", 80);
00073         sock.set_blocking(false, 3000);
00074  
00075         char http_cmd[] = "GET /media/uploads/donatien/hello.txt HTTP/1.1\r\nHost: %s\r\n\r\n";
00076         printf("sending:\n---\n%s\n---\n", http_cmd);
00077         sock.send(http_cmd, sizeof(http_cmd) - 1);//, 3000);
00078  
00079         char in_buf[256];
00080         bool firstIteration = true;
00081         int ret;
00082         do {
00083             printf("reading...\n");
00084             ret = sock.receive(in_buf, 255);//, firstIteration?3000:0);
00085             in_buf[ret] = '\0';
00086  
00087             printf("Received %d chars from server: %s\n", ret, in_buf);
00088             firstIteration = false;
00089         } while ( ret == 255 ); // once we get less that full buffer we know all data has been received
00090 //        } while ( ret > 0 );
00091  
00092         sock.close();
00093  
00094         //eth.disconnect();
00095  
00096         led3 = !led3;
00097         osDelay(500);
00098     }
00099 }
00100  
00101 osThreadDef(bubble_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
00102 osThreadDef(net_thread, osPriorityNormal, DEFAULT_STACK_SIZE);
00103  
00104 int main (void) {    
00105 
00106     EaLcdBoard::Result result;
00107     LcdController::Config lcdCfg;
00108     uint32_t frameBuf1 = (uint32_t) SDRAM_BASE;
00109 
00110     printf("Simple example of using network (HTTP GET) and LCD at the same time\n");
00111 
00112     // Listen for button presses
00113     buttonInterrupt.mode(PullUp);
00114     buttonInterrupt.fall(&trigger);
00115 
00116     do {
00117         // framebuffer is put in SDRAM
00118         if (sdram_init() == 1) {
00119             printf("Failed to initialize SDRAM\n");
00120             break;
00121         }
00122 
00123         result = lcdBoard.open(NULL, NULL);
00124         if (result != EaLcdBoard::Ok) {
00125             printf("Failed to open display: %d\n", result);
00126             break;
00127         }
00128 
00129         result = lcdBoard.setFrameBuffer(frameBuf1);
00130         if (result != EaLcdBoard::Ok) {
00131             printf("Failed to activate frameBuffer: %d\n", result);
00132             break;
00133         }
00134 
00135         result = lcdBoard.getLcdConfig(&lcdCfg);
00136         if (result != EaLcdBoard::Ok) {
00137             printf("Failed to get LCD configuration: %d\n", result);
00138             break;
00139         }
00140         
00141         // Prepare 3 consequtive framebuffers (2 will be used for background buffers)
00142         memset((void*)frameBuf1, 0x0, lcdCfg.width*lcdCfg.height*2 *3);
00143 
00144         bubbleDemo = new BubbleDemo((uint8_t *)frameBuf1, lcdCfg.width, lcdCfg.height);    
00145         osThreadCreate(osThread(bubble_thread), NULL);
00146      
00147         osThreadCreate(osThread(net_thread), NULL);
00148      
00149         while (true) {
00150             led = 0;
00151             wait(0.1);
00152             led = 1;
00153             wait(0.5);
00154         }
00155     } while(0);
00156 
00157     // Blink to indicate error
00158     while (1) {
00159         led = 0;
00160         wait(0.2);
00161         led = 1;
00162         wait(0.2);
00163     }
00164 }