Tom Sullivan
Under construction...
Dependencies: C12832_lcd EthernetInterface LM75B MMA7660 WebSocketClient mbed-libxively-6eca970 mbed-rtos mbed
Revision 0:e9a3d64e5bdd, committed 2014-06-02
- Comitter:
- thomas_sullivan
- Date:
- Mon Jun 02 19:11:38 2014 +0000
- Commit message:
- Not working yet.
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/C12832_lcd.lib Mon Jun 02 19:11:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/atthackathon/code/C12832_lcd/#3e64ca073642
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetInterface.lib Mon Jun 02 19:11:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/EthernetInterface/#f6ec7a025939
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LM75B.lib Mon Jun 02 19:11:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/neilt6/code/LM75B/#3a44310726fe
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MMA7660.lib Mon Jun 02 19:11:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Sissors/code/MMA7660/#a8e20db7901e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NTPClient.lib Mon Jun 02 19:11:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/WiredHome/code/NTPClient/#dadd90fba4ea
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebSocketClient.lib Mon Jun 02 19:11:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/samux/code/WebSocketClient/#466f90b7849a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Jun 02 19:11:38 2014 +0000
@@ -0,0 +1,229 @@
+//IOT Class, HW7 Program 1. June 2, 2014. Tom Sullivan
+
+#include "mbed.h"
+#include "LM75B.h"
+#include "C12832_lcd.h"
+#include "EthernetInterface.h"
+#include "NTPClient.h"
+#include "MMA7660.h"
+#include "Websocket.h"
+#include "xively.h"
+#include "xi_err.h"
+#include "xi_printf.h"
+#include <stdarg.h>
+#include <stdio.h>
+
+
+#define XI_FEED_ID 442300006 // set Xively Feed ID (numerical, no quoutes
+#define XI_API_KEY "FvameuMiutLFm5O135FCYEQn6okK8gijbsjPXTcSYARgkCYv" // set Xively API key (double-quoted string)
+
+C12832_LCD lcd;
+DigitalOut led1(LED1);
+MMA7660 MMA(p28, p27);
+AnalogIn pot20(p20);
+AnalogIn pot19(p19);
+BusIn joy(p15,p12,p13,p16); //DigitalIn joyUp(p15), joyDown(p12), joyLeft(p13), joyRight(p16);
+
+Ticker myTicker1;
+EthernetInterface eth;
+NTPClient ntp;
+time_t currentTime;
+char dataOut[128];
+
+//Temperature variables
+LM75B tmp(p28,p27);
+float tempNow, tempHI=80,tempLO=60;
+float coolHyst = 1, heatHyst = 1;
+int Pressing = 0;
+int heatOn = 0, coolOn = 0; //disabled = -1, enabled/Off = 0, enabled/On = 1
+int heatControl;
+
+//set flag that indicates it is time to output data to the web socket
+void sendData() {
+ led1 = 1; //!led1;
+}
+
+void mbed_printf( const char* fmt, ... )
+{
+ char buffer[ 64 ];
+
+ va_list ap;
+ va_start( ap, fmt );
+ vsnprintf( buffer, 64, fmt, ap );
+ va_end( ap );
+
+ printf("%s \n\r",buffer );
+}
+
+int main()
+{
+ printf("\n\r-----Starting HW7-1 Thermostat Heat/Cool-----\n\r");
+ //Connect to ethernet. Use DHCP. **********************
+ eth.init();
+ eth.connect();
+
+ //Get time from NTP server on internet ************************
+ printf("Initializing time...\r\n");
+ if (ntp.setTime("0.pool.ntp.org") == 0) //connect to ntp server
+ {
+ set_time(time(NULL) - 7*60*60); //correct current time to Pacific Standard Time
+ currentTime = time(NULL); //read corrected time from the system RTC
+ printf("Time is set to (PST): %s\r\n", ctime(¤tTime));
+ }
+ else
+ {
+ printf("ntp.setTime return not zero");
+ printf("Error\r\n");
+ }
+
+ //Connect to mbed websocket server
+ printf("Connecting to mbed websocket server channel 445\n\r");
+ Websocket ws("ws://sockets.mbed.org/ws/445/rw");
+ ws.connect();
+ printf("Done connecting\n\r");
+
+ xi_feed_t feed;
+ memset( &feed, NULL, sizeof( xi_feed_t ) );
+
+ feed.feed_id = XI_FEED_ID;
+ feed.datastream_count = 5;
+
+ feed.datastreams[0].datapoint_count = 1;
+ xi_datastream_t* temperature_datastream = &feed.datastreams[0];
+ strcpy( temperature_datastream->datastream_id, "temperature" );
+ xi_datapoint_t* current_temperature = &temperature_datastream->datapoints[0];
+
+ feed.datastreams[1].datapoint_count = 1;
+ xi_datastream_t* accelx_datastream = &feed.datastreams[1];
+ strcpy( accelx_datastream->datastream_id, "accel_x" );
+ xi_datapoint_t* current_accelx = &accelx_datastream->datapoints[0];
+
+ feed.datastreams[2].datapoint_count = 1;
+ xi_datastream_t* accely_datastream = &feed.datastreams[2];
+ strcpy( accely_datastream->datastream_id, "accel_y" );
+ xi_datapoint_t* current_accely = &accely_datastream->datapoints[0];
+
+ feed.datastreams[3].datapoint_count = 1;
+ xi_datastream_t* accelz_datastream = &feed.datastreams[3];
+ strcpy( accelz_datastream->datastream_id, "accel_z" );
+ xi_datapoint_t* current_accelz = &accelz_datastream->datapoints[0];
+
+ feed.datastreams[4].datapoint_count = 1;
+ xi_datastream_t* heatcontrol_datastream = &feed.datastreams[4];
+ strcpy(heatcontrol_datastream->datastream_id, "HeatControl" );
+ xi_datapoint_t* current_heatcontrol = &heatcontrol_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;}
+
+ printf("feed:%d datastreams:[%s,%s,%s,%s]\n\r", feed.feed_id,
+ accelx_datastream->datastream_id,
+ accely_datastream->datastream_id,
+ accelz_datastream->datastream_id,
+ heatcontrol_datastream->datastream_id);
+
+ //Attach ticker with 10 second timing
+ printf("Setting ticker\n\r");
+ myTicker1.attach(&sendData, 10); //10*60
+
+ while(1) {
+ //Get temp and Hi/Lo setting
+ tempNow = 32+(9/5)*tmp.temp();
+ tempHI = 50+40*pot19.read();
+ tempLO = 40+40*pot20.read();
+
+ //Use joystick to enable and disable heater and cooler
+ //Cooler: up is enable, down is disable
+ //Heater: left is enable, right is disable
+ if (joy == 0x0) { //joystick not being used currently
+ Pressing = 0; //release memory of being pressed
+ } else if (Pressing == 0) { //if joystick is being pressed (and this is the start of the press)
+ Pressing = 1; //set memory of being pressed so next cycle through doesn't repeat actions
+ //process joystick press
+ switch (joy) { //which button?
+ case 0x1: //up
+ if (coolOn < 0) { //if cooler is disabled, enable it
+ coolOn = 0;
+ }
+ break;
+ case 0x2: //down
+ coolOn = -1;
+ break;
+ case 0x4: //left
+ if (heatOn < 0) { //if heat is disabled, enable it
+ heatOn = 0;
+ }
+ break;
+ case 0x8: //right
+ heatOn = -1; //disable heat
+ break;
+ }
+ };
+
+ //Turn on heat if temperature too low
+ //Turn on cooler if temperature too high
+ if (heatOn >= 0) { //if heat enabled
+ if (tempNow < tempLO+heatHyst) {
+ heatOn = 1;
+ heatHyst = 1;//give offset so that heater will stay on 1 degree higher than target
+ }
+ else {
+ heatOn = 0;
+ heatHyst = -1; //give offset so that heater will stay off 1 degree lower than target
+ }
+ }
+ if (coolOn >= 0) { //if cooler enabled
+ if (tempNow > tempHI+coolHyst) {
+ coolOn = 1;
+ coolHyst = -1;//give offset so that cooler will stay on 1 degree lower than target
+ }
+ else {
+ coolOn = 0;
+ coolHyst = 1; //give offset so that cooler will stay off a bit longer
+ }
+ }
+
+ //Print information to LCD
+ lcd.cls();
+ lcd.locate(0,3);
+ lcd.printf("Temp: %.1f, Hi/LO: %.1f/%.1f\n",tempNow,tempHI,tempLO);
+ lcd.printf("%s", ctime(¤tTime));
+ lcd.printf("heatOn: %d, coolOn: %d",heatOn,coolOn);
+
+ //If the time is right, send data to the websocket server and Xively
+ if (led1) {
+ printf("Sending message\n\r");
+ xi_set_value_f32(current_temperature, tempNow);
+ xi_set_value_f32(current_accelx, MMA.x());
+ xi_set_value_f32(current_accely, MMA.y());
+ xi_set_value_f32(current_accelz, MMA.z());
+
+ //current_led = &led_datastream->datapoints[0];
+ //int led_value = current_led->value.i32_value;
+ //mbed_printf("%d",led_value);
+ //current_heatcontrol = &heatcontrol_datastream->datapoints[0];
+ int heatControl = current_heatcontrol->i32_value;
+
+ xi_feed_update(xi_context, &feed);
+ printf("xi_feed updated.\n\r");
+ xi_datastream_get(xi_context, feed.feed_id, heatcontrol_datastream->datastream_id, heatcontrol_datastream->datapoints);
+ // heatControl = heatcontrol_datastream->datapoints[0];//current_heatcontrol.value;
+ mbed_printf("HeatControl: %d...\n",heatcontrol_datastream->datapoints[0]);
+ if (heatControl == -1) {
+ heatOn = -1;
+ }
+ else if (heatControl == 1) {
+ coolOn = -1;
+ }
+
+ sprintf(dataOut,"{\"Temp\":%.1f,\"X\":%.1f,\"Y\":%.1f,\"Z\":%.1f}",tempNow,MMA.x(),MMA.y(),MMA.z());
+ printf("%s\n\r",dataOut);
+ ws.send(dataOut);// %d",heatOn);
+ led1 = 0;
+ }
+ wait(0.1);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-libxively-6eca970.lib Mon Jun 02 19:11:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/xively/code/mbed-libxively-6eca970/#82702e998d3f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Mon Jun 02 19:11:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#be2573f85b81
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Jun 02 19:11:38 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/8a40adfe8776 \ No newline at end of file