main.cpp

00001 #include "mbed.h"
00002 #include "GSwifi.h"
00003 
00004 //#define USE_SLEEP
00005 #define USE_STANDBY
00006 
00007 #if defined(TARGET_LPC11U24)
00008 Serial pc(USBTX, USBRX);
00009 #endif
00010 DigitalOut led1(LED1), led2(LED2), led3(LED3), led4(LED4);
00011 //InterruptIn sw1(p23), sw2(p24), sw3(p25), sw4(p26);
00012 DigitalIn sw1(p23), sw2(p24), sw3(p25), sw4(p26);
00013 
00014 #if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
00015 GSwifi gs(p13, p14, p12, P0_22); // TX, RX, CTS, RTS
00016 DigitalOut gs_reset(p9), gs_wakeup(p10);
00017 #elif defined(TARGET_LPC11U24)
00018 GSwifi gs(p9, p10, p21, p22); // TX, RX, CTS, RTS
00019 DigitalOut gs_reset(p27), gs_wakeup(p28);
00020 #endif
00021 
00022 Host server;
00023 volatile int gsconnect = 0, button = 0;
00024 
00025 void isr_sw1 () {
00026     if (gsconnect == 0) gsconnect = 1;
00027 }
00028 
00029 void isr_sw2 () {
00030     button = 1;
00031 }
00032 
00033 void isr_sw3 () {
00034     button = 2;
00035 }
00036 
00037 void isr_sw4 () {
00038     button = 3;
00039 }
00040 
00041 void isr_udp (int cid, int acid, int len) {
00042     int i;
00043     char buf[20];
00044     Host host;
00045 
00046     i = gs.recv(cid, buf, sizeof(buf), host);
00047     buf[i] = 0;
00048     if (i > 0 && strncmp("Welcome", buf, 7) == 0) {
00049         server.setIp(host.getIp());
00050     }
00051 }
00052 
00053 void find () {
00054     int i;
00055     int cid;
00056     Host bloadcast;
00057     
00058     bloadcast.setPort(10123);
00059     bloadcast.setIp(IpAddr(255,255,255,255));
00060 
00061     cid = gs.open(bloadcast, GSPROT_UDP, &isr_udp);
00062     if (cid >= 0) {
00063         gs.send(cid, "Hello", 5);
00064         for (i = 0; i < 15; i ++) {
00065             gs.poll();
00066             wait_ms(100);
00067         }
00068         gs.close(cid);
00069     }
00070 }
00071 
00072 void key () {
00073     if (sw1 == 0 && gsconnect == 0) gsconnect = 1;
00074     if (sw2 == 0 && button == 0) button = 1;
00075     if (sw3 == 0 && button == 0) button = 2;
00076     if (sw4 == 0 && button == 0) button = 3;
00077 }
00078 
00079 int main() {
00080     int i;
00081 
00082 #if defined(TARGET_LPC11U24)
00083     pc.baud(115200);
00084 #endif
00085     gs_reset = 0;
00086     gs_wakeup = 1;
00087     sw1.mode(PullUp);
00088     sw2.mode(PullUp);
00089     sw3.mode(PullUp);
00090     sw4.mode(PullUp);
00091     wait_ms(100);
00092 /*
00093     sw1.fall(&isr_sw1);
00094     sw2.fall(&isr_sw2);
00095     sw3.fall(&isr_sw3);
00096     sw4.fall(&isr_sw4);
00097 */
00098     server.setPort(10123);
00099     server.setIp(IpAddr(192,168,111,20));
00100     gs_reset = 1;
00101     wait_ms(500);
00102     led1 = 1;
00103 
00104     for (;;) {
00105         key();
00106         gs.poll();
00107 /*
00108         switch (gs.getStatus()) {
00109         case GSSTAT_READY:
00110             sleep();
00111             break;
00112         case GSSTAT_WAKEUP:
00113             gs.standby(600000);
00114             break;
00115         }
00116 */
00117         if (gs.getStatus() == GSSTAT_WAKEUP) {
00118             gs.standby(600000);
00119         }
00120 
00121         if (gsconnect == 1) {
00122             // WPS
00123             led1 = 0;
00124             led3 = 1;
00125             if (gs.connect(GSSEC_WPS_BUTTON, NULL, NULL, 1)) {
00126 //            if (gs.connect(GSSEC_WPA2_PSK, "GSTEST", "testpass12345", 1)) {
00127                 led1 = 1;
00128                 led2 = 0;
00129                 gsconnect = 0;
00130             } else {
00131                 led1 = 0;
00132                 led2 = 1;
00133                 gsconnect = 2;
00134                 
00135                 find();
00136 #ifdef USE_SLEEP
00137                 gs.deepSleep();
00138 #endif
00139 #ifdef USE_STANDBY
00140                 gs.standby(600000);
00141 #endif
00142             }
00143             led3 = 0;
00144         }
00145 
00146         if (button) {
00147             led4 = 1;
00148             if (gsconnect == 2) {
00149                 int cid;
00150                 char buf[10];
00151 
00152 #ifdef USE_SLEEP
00153                 gs.wakeup();
00154 #endif
00155 #ifdef USE_STANDBY
00156                 gs_wakeup = 0;
00157                 while (gs.getStatus() != GSSTAT_WAKEUP) {
00158                     gs.poll();
00159                 }
00160                 gs_wakeup = 1;
00161                 gs.wakeup();
00162 #endif
00163                 led3 = 1;
00164                 cid = gs.open(server, GSPROT_UDP);
00165                 if (cid >= 0) {
00166                     buf[0] = '0' + button;
00167                     gs.send(cid, buf, 1);
00168                     gs.close(cid);
00169                 }
00170                 led3 = 0;
00171 #ifdef USE_SLEEP
00172                 gs.deepSleep();
00173 #endif
00174 #ifdef USE_STANDBY
00175                 gs.standby(600000);
00176 #endif
00177             }
00178             button = 0;
00179             led4 = 0;
00180         }
00181         
00182     }
00183 }