Diff: main.cpp

Revision:

0:8a01089092bd

Child:

1:95596d36119d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Apr 28 13:03:47 2014 +0000
@@ -0,0 +1,117 @@
+/*
+  main.cpp
+  2014 Copyright (c) Seeed Technology Inc.  All right reserved.
+
+  Author:lawliet zou(lawliet.zou@gmail.com)
+  2014-4-28
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include "mbed.h"
+#include "GPRSInterface.h"
+#include "USBSerial.h"
+#include "xively.h"
+#include "xi_err.h"
+
+#define PIN_PWR                 P1_2    //power up gprs module
+#define PIN_PWR_KEY             P1_7
+#define PIN_TX                  P1_27
+#define PIN_RX                  P1_26
+#define XI_FEED_ID              571464242 // set Xively Feed ID (numerical, no quoutes)
+#define XI_API_KEY              "niUYuSJkjqyzPFwnWqpApm7lLNv8fInUD6ijAoRrikqKFWbg" // set Xively API key (double-quoted string)
+
+AnalogIn soundSensor(P0_11);
+GPRSInterface gprs(PIN_TX,PIN_RX,115200,"cmnet",NULL,NULL);
+USBSerial pc(0x1f00, 0x2012, 0x0001, false);
+DigitalOut power(PIN_PWR);
+DigitalOut powerKey(PIN_PWR_KEY);
+
+/* power pin: low enable
+     ___
+        |___
+
+   powerKey pin: you can also power up by long press the powerKey.
+
+        ___
+    ___|   |___
+
+*/
+void gprsPowerUp(void)
+{
+    power = 1;
+    wait(2);
+    power = 0;
+    wait(2);
+
+    powerKey = 0;
+    wait(1);
+    powerKey = 1;
+    wait(2);
+    powerKey = 0;
+    wait(3);
+}
+// Called by ISR
+void settingsChanged(int baud, int bits, int parity, int stop)
+{
+    const Serial::Parity parityTable[] = {Serial::None, Serial::Odd, Serial::Even, Serial::Forced0, Serial::Forced1};
+
+    if (stop != 2) {
+        stop = 1;   // stop bit(s) = 1 or 1.5
+    }
+
+    gprs.serialModem.baud(baud);
+    gprs.serialModem.format(bits, parityTable[parity], stop);
+}
+
+int main()
+{
+    pc.attach(settingsChanged);
+    gprsPowerUp();
+    wait(10);
+
+    gprs.init(); //Use DHCP
+    // attempt DHCP
+    while(false == gprs.connect()) {
+        wait(2);
+        pc.printf("gprs connect error\n");
+    }
+    // successful DHCP
+    pc.printf("IP Address is %s\n", gprs.getIPAddress());
+
+    xi_feed_t feed;
+    memset( &feed, NULL, sizeof( xi_feed_t ) );
+
+    feed.feed_id = XI_FEED_ID;
+    feed.datastream_count = 1;
+
+    feed.datastreams[0].datapoint_count = 1;
+    xi_datastream_t* sound_datastream = &feed.datastreams[0];
+    strcpy( sound_datastream->datastream_id, "Sound" );
+    xi_datapoint_t* current_sound = &sound_datastream->datapoints[0];
+
+    // create the cosm library context
+    xi_context_t* xi_context = xi_create_context( XI_HTTP, XI_API_KEY, feed.feed_id );
+
+    // check if everything works
+    if( xi_context == NULL ) {
+        return -1;
+    }
+    while(1) {
+        xi_set_value_f32(current_sound, soundSensor.read());
+        pc.printf("update!\n");
+        xi_feed_update( xi_context, &feed );
+        wait( 10 );
+    }
+}
\ No newline at end of file