Connections to Xively working; has 5 channels on Xively (axl_x, axl_y, axl_z, heater_status, temperature)
Dependencies: C12832_lcd EthernetInterface LM75B MMA7660 NTPClient libxively mbed-rtos mbed
main.cpp@6:d5023e875887, 2014-06-02 (annotated)
- Committer:
- wren301
- Date:
- Mon Jun 02 19:13:07 2014 +0000
- Revision:
- 6:d5023e875887
- Parent:
- 4:05986b9ea330
Actually HW7 :) All connections to Xively operational as of last test
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wren301 | 0:785d351db1ad | 1 | #include "mbed.h" |
wren301 | 0:785d351db1ad | 2 | #include "EthernetInterface.h" |
wren301 | 0:785d351db1ad | 3 | #include "NTPClient.h" |
wren301 | 0:785d351db1ad | 4 | #include "C12832_lcd.h" |
wren301 | 0:785d351db1ad | 5 | #include "LM75B.h" |
wren301 | 0:785d351db1ad | 6 | #include "MMA7660.h" |
wren301 | 6:d5023e875887 | 7 | #define XI_FEED_ID 1000476735 // set Xively Feed ID (numerical, no quoutes) |
wren301 | 6:d5023e875887 | 8 | #define XI_API_KEY "ROxvAOZ6RznZjFPGufMNNn1LiMbYseCgEwF0qn1WAmcZPPY2" // set Xively API key (double-quoted string) |
wren301 | 6:d5023e875887 | 9 | |
wren301 | 6:d5023e875887 | 10 | #include "app_board_io.h" |
wren301 | 6:d5023e875887 | 11 | |
wren301 | 6:d5023e875887 | 12 | #include "xively.h" |
wren301 | 6:d5023e875887 | 13 | #include "xi_err.h" |
wren301 | 0:785d351db1ad | 14 | |
wren301 | 0:785d351db1ad | 15 | #define PST_OFFSET 7*60*60 |
wren301 | 0:785d351db1ad | 16 | |
wren301 | 0:785d351db1ad | 17 | Ticker timer; |
wren301 | 0:785d351db1ad | 18 | C12832_LCD lcd; //Graphics LCD |
wren301 | 0:785d351db1ad | 19 | EthernetInterface eth; //Networking functions |
wren301 | 0:785d351db1ad | 20 | NTPClient ntp; //NTP client |
wren301 | 0:785d351db1ad | 21 | LM75B tmp(p28,p27); |
wren301 | 2:cf992d90396e | 22 | float lowTemp = 74; |
wren301 | 2:cf992d90396e | 23 | float highTemp = 86; |
wren301 | 0:785d351db1ad | 24 | float temp; |
wren301 | 0:785d351db1ad | 25 | int heaterOn = 0; |
wren301 | 2:cf992d90396e | 26 | AnalogIn pot1(p20); |
wren301 | 2:cf992d90396e | 27 | AnalogIn pot2(p19); |
wren301 | 0:785d351db1ad | 28 | #define LOOP_DELAY_MS 100 |
wren301 | 0:785d351db1ad | 29 | //update time every 10 minutes |
wren301 | 3:3a48ed10d6fe | 30 | #define UPDATE_TIME 60*1 |
wren301 | 6:d5023e875887 | 31 | #define UPDATE_XIVELY 60*1 |
wren301 | 6:d5023e875887 | 32 | MMA7660 axl(p28, p27);// accelerometer |
wren301 | 3:3a48ed10d6fe | 33 | int updateTimeFromServer = 1; |
wren301 | 1:0d467ac74808 | 34 | |
wren301 | 6:d5023e875887 | 35 | //Xively globals |
wren301 | 6:d5023e875887 | 36 | int update_xively = 1; |
wren301 | 6:d5023e875887 | 37 | xi_feed_t feed; |
wren301 | 6:d5023e875887 | 38 | xi_datapoint_t* current_temperature; |
wren301 | 6:d5023e875887 | 39 | xi_datapoint_t* current_x; |
wren301 | 6:d5023e875887 | 40 | xi_datapoint_t* current_y; |
wren301 | 6:d5023e875887 | 41 | xi_datapoint_t* current_z; |
wren301 | 6:d5023e875887 | 42 | xi_datapoint_t* current_heaterstatus; |
wren301 | 6:d5023e875887 | 43 | xi_datastream_t* heaterstatus_datastream; |
wren301 | 6:d5023e875887 | 44 | xi_context_t* xi_context; |
wren301 | 6:d5023e875887 | 45 | |
wren301 | 6:d5023e875887 | 46 | |
wren301 | 6:d5023e875887 | 47 | void setUpXively() { |
wren301 | 6:d5023e875887 | 48 | memset( &feed, NULL, sizeof( xi_feed_t ) ); |
wren301 | 6:d5023e875887 | 49 | |
wren301 | 6:d5023e875887 | 50 | feed.feed_id = XI_FEED_ID; |
wren301 | 6:d5023e875887 | 51 | feed.datastream_count = 5; |
wren301 | 6:d5023e875887 | 52 | |
wren301 | 6:d5023e875887 | 53 | feed.datastreams[0].datapoint_count = 1; |
wren301 | 6:d5023e875887 | 54 | xi_datastream_t* temperature_datastream = &feed.datastreams[0]; |
wren301 | 6:d5023e875887 | 55 | strcpy( temperature_datastream->datastream_id, "temperature" ); |
wren301 | 6:d5023e875887 | 56 | current_temperature = &temperature_datastream->datapoints[0]; |
wren301 | 6:d5023e875887 | 57 | |
wren301 | 6:d5023e875887 | 58 | feed.datastreams[1].datapoint_count = 1; |
wren301 | 6:d5023e875887 | 59 | xi_datastream_t* axl_x_datastream = &feed.datastreams[1]; |
wren301 | 6:d5023e875887 | 60 | strcpy( axl_x_datastream->datastream_id, "axl_x" ); |
wren301 | 6:d5023e875887 | 61 | current_x = &axl_x_datastream->datapoints[0]; |
wren301 | 6:d5023e875887 | 62 | |
wren301 | 6:d5023e875887 | 63 | feed.datastreams[2].datapoint_count = 1; |
wren301 | 6:d5023e875887 | 64 | xi_datastream_t* axl_y_datastream = &feed.datastreams[2]; |
wren301 | 6:d5023e875887 | 65 | strcpy( axl_y_datastream->datastream_id, "axl_y" ); |
wren301 | 6:d5023e875887 | 66 | current_y = &axl_y_datastream->datapoints[0]; |
wren301 | 6:d5023e875887 | 67 | |
wren301 | 6:d5023e875887 | 68 | feed.datastreams[3].datapoint_count = 1; |
wren301 | 6:d5023e875887 | 69 | xi_datastream_t* axl_z_datastream = &feed.datastreams[3]; |
wren301 | 6:d5023e875887 | 70 | strcpy( axl_z_datastream->datastream_id, "axl_z" ); |
wren301 | 6:d5023e875887 | 71 | current_z = &axl_z_datastream->datapoints[0]; |
wren301 | 6:d5023e875887 | 72 | |
wren301 | 6:d5023e875887 | 73 | feed.datastreams[4].datapoint_count = 1; |
wren301 | 6:d5023e875887 | 74 | heaterstatus_datastream = &feed.datastreams[4]; |
wren301 | 6:d5023e875887 | 75 | strcpy( heaterstatus_datastream->datastream_id, "heater_status" ); |
wren301 | 6:d5023e875887 | 76 | current_heaterstatus = &heaterstatus_datastream->datapoints[0]; |
wren301 | 6:d5023e875887 | 77 | |
wren301 | 6:d5023e875887 | 78 | // create the cosm library context |
wren301 | 6:d5023e875887 | 79 | xi_context = xi_create_context( XI_HTTP, XI_API_KEY, feed.feed_id ); |
wren301 | 6:d5023e875887 | 80 | |
wren301 | 6:d5023e875887 | 81 | } |
wren301 | 6:d5023e875887 | 82 | |
wren301 | 3:3a48ed10d6fe | 83 | void connectToTheInternet() |
wren301 | 3:3a48ed10d6fe | 84 | { |
wren301 | 0:785d351db1ad | 85 | eth.init(); //Init and use DHCP |
wren301 | 0:785d351db1ad | 86 | wait(2); |
wren301 | 0:785d351db1ad | 87 | lcd.cls(); |
wren301 | 0:785d351db1ad | 88 | lcd.printf("Getting IP Address\r\n"); |
wren301 | 2:cf992d90396e | 89 | printf("\n\rGetting IP Address\r\n"); |
wren301 | 0:785d351db1ad | 90 | if(eth.connect(60000)!=0) { |
wren301 | 0:785d351db1ad | 91 | lcd.printf("DHCP error - No IP"); |
wren301 | 0:785d351db1ad | 92 | wait(10); |
wren301 | 0:785d351db1ad | 93 | } else { |
wren301 | 0:785d351db1ad | 94 | lcd.printf("IP is %s\n", eth.getIPAddress()); |
wren301 | 0:785d351db1ad | 95 | printf("IP is %s\n", eth.getIPAddress()); |
wren301 | 0:785d351db1ad | 96 | wait(2); |
wren301 | 0:785d351db1ad | 97 | } |
wren301 | 0:785d351db1ad | 98 | lcd.cls(); |
wren301 | 0:785d351db1ad | 99 | } |
wren301 | 0:785d351db1ad | 100 | |
wren301 | 3:3a48ed10d6fe | 101 | void updateTimeRoutine() |
wren301 | 3:3a48ed10d6fe | 102 | { |
wren301 | 1:0d467ac74808 | 103 | if (ntp.setTime("0.pool.ntp.org") == 0) { |
wren301 | 1:0d467ac74808 | 104 | printf("Time updated!"); |
wren301 | 1:0d467ac74808 | 105 | } else { |
wren301 | 1:0d467ac74808 | 106 | lcd.locate(0,0); |
wren301 | 1:0d467ac74808 | 107 | printf("Time update failed \n\r"); |
wren301 | 1:0d467ac74808 | 108 | lcd.printf("Time update failed"); |
wren301 | 1:0d467ac74808 | 109 | } |
wren301 | 1:0d467ac74808 | 110 | updateTimeFromServer = 0; |
wren301 | 1:0d467ac74808 | 111 | } |
wren301 | 1:0d467ac74808 | 112 | |
wren301 | 3:3a48ed10d6fe | 113 | void updateTime() |
wren301 | 3:3a48ed10d6fe | 114 | { |
wren301 | 0:785d351db1ad | 115 | updateTimeFromServer = 1; |
wren301 | 0:785d351db1ad | 116 | } |
wren301 | 0:785d351db1ad | 117 | |
wren301 | 6:d5023e875887 | 118 | void updateXively() { |
wren301 | 6:d5023e875887 | 119 | update_xively = 1; |
wren301 | 6:d5023e875887 | 120 | } |
wren301 | 6:d5023e875887 | 121 | |
wren301 | 6:d5023e875887 | 122 | void updateXivelyRoutine() { |
wren301 | 6:d5023e875887 | 123 | xi_set_value_f32( current_temperature, tmp.read() ); |
wren301 | 6:d5023e875887 | 124 | xi_set_value_f32( current_x, axl.x() ); |
wren301 | 6:d5023e875887 | 125 | xi_set_value_f32( current_y, axl.y() ); |
wren301 | 6:d5023e875887 | 126 | xi_set_value_f32( current_z, axl.z() ); |
wren301 | 6:d5023e875887 | 127 | update_xively = 0; |
wren301 | 6:d5023e875887 | 128 | printf( "update...\n" ); |
wren301 | 6:d5023e875887 | 129 | xi_feed_update( xi_context, &feed ); |
wren301 | 6:d5023e875887 | 130 | |
wren301 | 6:d5023e875887 | 131 | //xi_response_t myInData; |
wren301 | 6:d5023e875887 | 132 | //myInData = xi_feed_get(xi_context, &feed); |
wren301 | 6:d5023e875887 | 133 | xi_datastream_get(xi_context, feed.feed_id, heaterstatus_datastream->datastream_id, heaterstatus_datastream->datapoints); |
wren301 | 6:d5023e875887 | 134 | printf( "\n\rHEATER STATUS: %d...\n",heaterstatus_datastream->datapoints[0]); |
wren301 | 6:d5023e875887 | 135 | current_heaterstatus = &heaterstatus_datastream->datapoints[0]; |
wren301 | 6:d5023e875887 | 136 | int heatervalue = current_heaterstatus->value.i32_value; |
wren301 | 6:d5023e875887 | 137 | printf("HeaterStatus: %d", heatervalue); |
wren301 | 6:d5023e875887 | 138 | printf( "done...\n" ); |
wren301 | 3:3a48ed10d6fe | 139 | } |
wren301 | 3:3a48ed10d6fe | 140 | |
wren301 | 2:cf992d90396e | 141 | //POT values are 0:1, will allow high and low temperatures |
wren301 | 2:cf992d90396e | 142 | //lets you set temp between 50 and 100 degrees |
wren301 | 3:3a48ed10d6fe | 143 | void updateTempsFromPots() |
wren301 | 3:3a48ed10d6fe | 144 | { |
wren301 | 2:cf992d90396e | 145 | float lowTempPot = pot2*50.0+50; |
wren301 | 2:cf992d90396e | 146 | float highTempPot = pot1*50.0+50; |
wren301 | 2:cf992d90396e | 147 | //round to the nearest whole number |
wren301 | 2:cf992d90396e | 148 | lowTempPot = floor(lowTempPot+.5); |
wren301 | 2:cf992d90396e | 149 | highTempPot = floor(highTempPot+.5); |
wren301 | 2:cf992d90396e | 150 | //high temp must be at least 1 degree above low temp |
wren301 | 3:3a48ed10d6fe | 151 | if (highTempPot <= lowTempPot) { |
wren301 | 3:3a48ed10d6fe | 152 | highTempPot = lowTempPot +1; |
wren301 | 3:3a48ed10d6fe | 153 | } |
wren301 | 2:cf992d90396e | 154 | //Refresh the display if the temps have changed by more than a degree |
wren301 | 2:cf992d90396e | 155 | if ((lowTemp != lowTempPot) || (highTemp != highTempPot)) { |
wren301 | 2:cf992d90396e | 156 | lowTemp = lowTempPot; |
wren301 | 2:cf992d90396e | 157 | highTemp = highTempPot; |
wren301 | 2:cf992d90396e | 158 | lcd.locate(0,0); |
wren301 | 2:cf992d90396e | 159 | lcd.printf("\n\r%.1f LOW: %.0f HIGH: %.0f", temp, lowTemp, highTemp); |
wren301 | 2:cf992d90396e | 160 | printf("LOW: %.2f HIGH: %.2f\n\r", lowTemp, highTemp); |
wren301 | 1:0d467ac74808 | 161 | } |
wren301 | 1:0d467ac74808 | 162 | } |
wren301 | 1:0d467ac74808 | 163 | |
wren301 | 0:785d351db1ad | 164 | int main() |
wren301 | 3:3a48ed10d6fe | 165 | { |
wren301 | 3:3a48ed10d6fe | 166 | connectToTheInternet(); |
wren301 | 6:d5023e875887 | 167 | setUpXively(); |
wren301 | 0:785d351db1ad | 168 | //Variable to hold the current minute so we only update the display when the minute changes |
wren301 | 0:785d351db1ad | 169 | char currentMinute[2]; |
wren301 | 0:785d351db1ad | 170 | currentMinute[1] = 'a'; |
wren301 | 0:785d351db1ad | 171 | char minute[2]; |
wren301 | 3:3a48ed10d6fe | 172 | |
wren301 | 0:785d351db1ad | 173 | float currentTemp = -200; |
wren301 | 3:3a48ed10d6fe | 174 | lcd.printf("Updating time...\r\n"); |
wren301 | 3:3a48ed10d6fe | 175 | printf("Updating time...\r\n"); |
wren301 | 0:785d351db1ad | 176 | if (ntp.setTime("0.pool.ntp.org") == 0) { |
wren301 | 3:3a48ed10d6fe | 177 | printf("Set time successfully\r\n"); |
wren301 | 0:785d351db1ad | 178 | lcd.cls(); |
wren301 | 0:785d351db1ad | 179 | timer.attach(&updateTime, UPDATE_TIME); |
wren301 | 6:d5023e875887 | 180 | timer.attach(&updateXively, UPDATE_XIVELY); |
wren301 | 0:785d351db1ad | 181 | lcd.printf("\n\r\n\rHEATER OFF"); |
wren301 | 3:3a48ed10d6fe | 182 | |
wren301 | 3:3a48ed10d6fe | 183 | while(1) { |
wren301 | 0:785d351db1ad | 184 | if(updateTimeFromServer) { |
wren301 | 3:3a48ed10d6fe | 185 | updateTimeRoutine(); |
wren301 | 3:3a48ed10d6fe | 186 | } |
wren301 | 6:d5023e875887 | 187 | if(update_xively){ |
wren301 | 6:d5023e875887 | 188 | updateXivelyRoutine(); |
wren301 | 6:d5023e875887 | 189 | } |
wren301 | 2:cf992d90396e | 190 | //Sets temp from POTs |
wren301 | 3:3a48ed10d6fe | 191 | updateTempsFromPots(); |
wren301 | 3:3a48ed10d6fe | 192 | //Fetch the time |
wren301 | 1:0d467ac74808 | 193 | time_t ctTime; |
wren301 | 0:785d351db1ad | 194 | ctTime = time(NULL)- PST_OFFSET; |
wren301 | 3:3a48ed10d6fe | 195 | char timeBuffer[32]; |
wren301 | 3:3a48ed10d6fe | 196 | |
wren301 | 0:785d351db1ad | 197 | //See if the minute has changed; set an update display flag if it has |
wren301 | 3:3a48ed10d6fe | 198 | strftime(minute, 8, "%M", localtime(&ctTime)); |
wren301 | 3:3a48ed10d6fe | 199 | if ( (minute[1] != currentMinute[1]) ) { |
wren301 | 0:785d351db1ad | 200 | //Formats the time for display |
wren301 | 3:3a48ed10d6fe | 201 | strftime(timeBuffer, 32, "%a %b %d %I:%M%p\n\r", localtime(&ctTime)); |
wren301 | 0:785d351db1ad | 202 | printf("%s\r", timeBuffer); |
wren301 | 0:785d351db1ad | 203 | lcd.locate(0,0); |
wren301 | 0:785d351db1ad | 204 | lcd.printf("%s\r", timeBuffer); |
wren301 | 0:785d351db1ad | 205 | currentMinute[1] = minute[1]; |
wren301 | 3:3a48ed10d6fe | 206 | } |
wren301 | 3:3a48ed10d6fe | 207 | |
wren301 | 0:785d351db1ad | 208 | //Update the temperature display if the temperature, set temp has changed |
wren301 | 3:3a48ed10d6fe | 209 | temp = tmp.read()*9.0/5.0 + 32.0; |
wren301 | 3:3a48ed10d6fe | 210 | |
wren301 | 3:3a48ed10d6fe | 211 | //checks if the temperature (rounded to the nearest whole number) has changed |
wren301 | 0:785d351db1ad | 212 | if (floor(temp+.5) != floor(currentTemp+.5)) { |
wren301 | 2:cf992d90396e | 213 | printf("Temp change: %.1f F\n\r", temp); |
wren301 | 0:785d351db1ad | 214 | currentTemp = temp; |
wren301 | 0:785d351db1ad | 215 | lcd.locate(0,0); |
wren301 | 4:05986b9ea330 | 216 | //updates the temperature line of the display |
wren301 | 2:cf992d90396e | 217 | lcd.printf("\n\r%.1f LOW: %.0f HIGH: %.0f", temp, lowTemp, highTemp); |
wren301 | 3:3a48ed10d6fe | 218 | } |
wren301 | 3:3a48ed10d6fe | 219 | |
wren301 | 3:3a48ed10d6fe | 220 | lcd.locate(0,0); |
wren301 | 4:05986b9ea330 | 221 | |
wren301 | 4:05986b9ea330 | 222 | //Heater logic: turns off if it has gone over the high temp and is on, |
wren301 | 4:05986b9ea330 | 223 | //or if under the low temp and is off |
wren301 | 2:cf992d90396e | 224 | if (heaterOn && (temp > highTemp) ) { |
wren301 | 0:785d351db1ad | 225 | printf("Heater turned OFF\n\r"); |
wren301 | 3:3a48ed10d6fe | 226 | heaterOn = 0; |
wren301 | 0:785d351db1ad | 227 | lcd.locate(0,0); |
wren301 | 0:785d351db1ad | 228 | lcd.printf("\n\r\n\rHEATER OFF"); |
wren301 | 2:cf992d90396e | 229 | } else if (!heaterOn && (temp < lowTemp) ) { |
wren301 | 0:785d351db1ad | 230 | printf("Heater turned ON\n\r"); |
wren301 | 0:785d351db1ad | 231 | heaterOn = 1; |
wren301 | 0:785d351db1ad | 232 | lcd.locate(0,0); |
wren301 | 0:785d351db1ad | 233 | lcd.printf("\n\r\n\rHEATER ON"); |
wren301 | 3:3a48ed10d6fe | 234 | } |
wren301 | 3:3a48ed10d6fe | 235 | wait(LOOP_DELAY_MS*.001); |
wren301 | 0:785d351db1ad | 236 | } |
wren301 | 0:785d351db1ad | 237 | } else { |
wren301 | 0:785d351db1ad | 238 | lcd.printf("NTP Error\r\n"); |
wren301 | 0:785d351db1ad | 239 | } |
wren301 | 0:785d351db1ad | 240 | eth.disconnect(); |
wren301 | 0:785d351db1ad | 241 | } |