Skeleton program for Federico's 4YP project.
Dependencies: WebSocketClient WiflyInterface mbed messages
Fork of IoT_Ex by
main.cpp@5:0c7d131e6089, 2016-10-06 (annotated)
- Committer:
- defrost
- Date:
- Thu Oct 06 07:58:31 2016 +0000
- Revision:
- 5:0c7d131e6089
- Parent:
- 3:f20e114eb2ee
- Child:
- 8:5afd599875e4
- Added comments, cleaned up code
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
defrost | 5:0c7d131e6089 | 1 | /** |
defrost | 5:0c7d131e6089 | 2 | * @author Damien Frost |
defrost | 5:0c7d131e6089 | 3 | * |
defrost | 5:0c7d131e6089 | 4 | * @section LICENSE |
defrost | 5:0c7d131e6089 | 5 | * |
defrost | 5:0c7d131e6089 | 6 | * Copyright (c) 2016 Damien Frost |
defrost | 5:0c7d131e6089 | 7 | * |
defrost | 5:0c7d131e6089 | 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
defrost | 5:0c7d131e6089 | 9 | * of this software and associated documentation files (the "Software"), to deal |
defrost | 5:0c7d131e6089 | 10 | * in the Software without restriction, including without limitation the rights |
defrost | 5:0c7d131e6089 | 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
defrost | 5:0c7d131e6089 | 12 | * copies of the Software, and to permit persons to whom the Software is |
defrost | 5:0c7d131e6089 | 13 | * furnished to do so, subject to the following conditions: |
defrost | 5:0c7d131e6089 | 14 | * |
defrost | 5:0c7d131e6089 | 15 | * The above copyright notice and this permission notice shall be included in |
defrost | 5:0c7d131e6089 | 16 | * all copies or substantial portions of the Software. |
defrost | 5:0c7d131e6089 | 17 | * |
defrost | 5:0c7d131e6089 | 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
defrost | 5:0c7d131e6089 | 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
defrost | 5:0c7d131e6089 | 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
defrost | 5:0c7d131e6089 | 21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
defrost | 5:0c7d131e6089 | 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
defrost | 5:0c7d131e6089 | 23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
defrost | 5:0c7d131e6089 | 24 | * THE SOFTWARE. |
defrost | 5:0c7d131e6089 | 25 | * |
defrost | 5:0c7d131e6089 | 26 | * @file "main.cpp" |
defrost | 5:0c7d131e6089 | 27 | * |
defrost | 5:0c7d131e6089 | 28 | * @section DESCRIPTION |
defrost | 5:0c7d131e6089 | 29 | * Simple Internet of Things main program. The device sends data every 3 |
defrost | 5:0c7d131e6089 | 30 | * seconds, and can receive data from a server. |
defrost | 5:0c7d131e6089 | 31 | * |
defrost | 5:0c7d131e6089 | 32 | */ |
defrost | 5:0c7d131e6089 | 33 | |
defrost | 0:c5607b31fb07 | 34 | #include "mbed.h" |
defrost | 1:4403f2ed1c1f | 35 | #include "globals.h" |
defrost | 0:c5607b31fb07 | 36 | #include "WiflyInterface.h" |
defrost | 1:4403f2ed1c1f | 37 | #include "Commands.h" |
defrost | 0:c5607b31fb07 | 38 | #include "Websocket.h" |
defrost | 1:4403f2ed1c1f | 39 | #include "ADC.h" |
defrost | 0:c5607b31fb07 | 40 | |
defrost | 2:7abdaa5a9209 | 41 | //#define DEBUG |
defrost | 0:c5607b31fb07 | 42 | #define INFOMESSAGES |
defrost | 0:c5607b31fb07 | 43 | #define WARNMESSAGES |
defrost | 0:c5607b31fb07 | 44 | #define ERRMESSAGES |
defrost | 0:c5607b31fb07 | 45 | #define FUNCNAME "IoT" |
defrost | 0:c5607b31fb07 | 46 | #include "messages.h" |
defrost | 0:c5607b31fb07 | 47 | |
defrost | 5:0c7d131e6089 | 48 | |
defrost | 0:c5607b31fb07 | 49 | // Main Loop! |
defrost | 0:c5607b31fb07 | 50 | int main() { |
defrost | 0:c5607b31fb07 | 51 | unsigned int wifi_cmd = NO_WIFI_CMD; |
defrost | 0:c5607b31fb07 | 52 | float wifi_data = 0.0f; |
defrost | 2:7abdaa5a9209 | 53 | unsigned int ADCRaw; |
defrost | 5:0c7d131e6089 | 54 | char msg[128]; |
defrost | 0:c5607b31fb07 | 55 | |
defrost | 0:c5607b31fb07 | 56 | // Set the IoT ID: |
defrost | 0:c5607b31fb07 | 57 | IoT_ID = 1; |
defrost | 0:c5607b31fb07 | 58 | |
defrost | 3:f20e114eb2ee | 59 | // Set the Auto reconnect flag: |
defrost | 3:f20e114eb2ee | 60 | IotStatus.SetFlag(SF_AUTOCONNECT); |
defrost | 3:f20e114eb2ee | 61 | |
defrost | 0:c5607b31fb07 | 62 | // Send a startup message to serial port: |
defrost | 1:4403f2ed1c1f | 63 | INFO(""); |
defrost | 1:4403f2ed1c1f | 64 | INFO(""); |
defrost | 0:c5607b31fb07 | 65 | INFO("Starting up..."); |
defrost | 0:c5607b31fb07 | 66 | INFO("CPU SystemCoreClock is %d Hz", SystemCoreClock); |
defrost | 5:0c7d131e6089 | 67 | |
defrost | 5:0c7d131e6089 | 68 | // Configure the ADC to sample the internal temperature sensor. You cannot |
defrost | 5:0c7d131e6089 | 69 | // use AnalogIn() unfortunately... |
defrost | 2:7abdaa5a9209 | 70 | ConfigureADC(); |
defrost | 5:0c7d131e6089 | 71 | |
defrost | 5:0c7d131e6089 | 72 | // Connect to the wifi network. It will basically get stuck here until it |
defrost | 5:0c7d131e6089 | 73 | // connects to the network. |
defrost | 0:c5607b31fb07 | 74 | SetupNetwork(5000); |
defrost | 5:0c7d131e6089 | 75 | |
defrost | 0:c5607b31fb07 | 76 | // Configure the baud rate of the wifi shield: |
defrost | 5:0c7d131e6089 | 77 | // This will make our wireless transmissions much faster. |
defrost | 0:c5607b31fb07 | 78 | ws.setBaud(115200); |
defrost | 0:c5607b31fb07 | 79 | wait(0.5f); |
defrost | 0:c5607b31fb07 | 80 | |
defrost | 5:0c7d131e6089 | 81 | // Check to see we are connected to the network: |
defrost | 0:c5607b31fb07 | 82 | if(IotStatus.CheckFlag(SF_WIRELESSCONNECTED)){ |
defrost | 5:0c7d131e6089 | 83 | // Try to connect to the WebSocket server: |
defrost | 0:c5607b31fb07 | 84 | sprintf(msg, "ws://%s:%d/ws", SERVER_IP, WS_PORT); |
defrost | 0:c5607b31fb07 | 85 | ws.Initialize(msg); |
defrost | 0:c5607b31fb07 | 86 | INFO("Connecting to Websocket Server on %s...", msg); |
defrost | 0:c5607b31fb07 | 87 | if(ws.connect()){ |
defrost | 0:c5607b31fb07 | 88 | // Set a status flag: |
defrost | 0:c5607b31fb07 | 89 | INFO("Connected."); |
defrost | 0:c5607b31fb07 | 90 | IotStatus.SetFlag(SF_SERVERCONNECTED); |
defrost | 0:c5607b31fb07 | 91 | }else{ |
defrost | 0:c5607b31fb07 | 92 | // We could not connect right now.. |
defrost | 0:c5607b31fb07 | 93 | IotStatus.ClearFlag(SF_SERVERCONNECTED); |
defrost | 0:c5607b31fb07 | 94 | INFO("Could not connect to server, will try again later."); |
defrost | 0:c5607b31fb07 | 95 | ReconnectAttempts++; |
defrost | 0:c5607b31fb07 | 96 | } |
defrost | 0:c5607b31fb07 | 97 | } |
defrost | 0:c5607b31fb07 | 98 | |
defrost | 5:0c7d131e6089 | 99 | // Start the display timer which will send data to the server every |
defrost | 5:0c7d131e6089 | 100 | // 3 seconds. |
defrost | 5:0c7d131e6089 | 101 | DisplayTimer.start(); |
defrost | 3:f20e114eb2ee | 102 | |
defrost | 5:0c7d131e6089 | 103 | // Inifinite main loop: |
defrost | 0:c5607b31fb07 | 104 | while(1) { |
defrost | 0:c5607b31fb07 | 105 | |
defrost | 0:c5607b31fb07 | 106 | // Process the wifi command: |
defrost | 0:c5607b31fb07 | 107 | if(wifi_cmd > NO_WIFI_CMD){ |
defrost | 5:0c7d131e6089 | 108 | // Modify the desired variable: |
defrost | 5:0c7d131e6089 | 109 | ModifyVariable(wifi_cmd, wifi_data); |
defrost | 5:0c7d131e6089 | 110 | // Reset the command: |
defrost | 0:c5607b31fb07 | 111 | wifi_cmd = NO_WIFI_CMD; |
defrost | 0:c5607b31fb07 | 112 | } |
defrost | 0:c5607b31fb07 | 113 | |
defrost | 0:c5607b31fb07 | 114 | // Check for new wifi data: |
defrost | 0:c5607b31fb07 | 115 | if((wifi_cmd == NO_WIFI_CMD)){ |
defrost | 5:0c7d131e6089 | 116 | ReceiveNetworkData(&wifi_cmd, &wifi_data); |
defrost | 0:c5607b31fb07 | 117 | } |
defrost | 0:c5607b31fb07 | 118 | |
defrost | 0:c5607b31fb07 | 119 | // Send the network data every 3 seconds: |
defrost | 0:c5607b31fb07 | 120 | if(DisplayTimer.read()>(3.0f)){ |
defrost | 1:4403f2ed1c1f | 121 | // Sample the internal temperature sensor: |
defrost | 1:4403f2ed1c1f | 122 | STARTADCCONVERSION; |
defrost | 5:0c7d131e6089 | 123 | // Wait for the conversion to complete: |
defrost | 1:4403f2ed1c1f | 124 | while(!ADCCONVERSIONCOMPLETE); |
defrost | 5:0c7d131e6089 | 125 | // Save the raw value from the ADC: |
defrost | 2:7abdaa5a9209 | 126 | ADCRaw = ADC1->DR; |
defrost | 5:0c7d131e6089 | 127 | // Calculate the temperature using information from the datasheet: |
defrost | 2:7abdaa5a9209 | 128 | TempSensor = ((((float)ADCRaw)/ADC_MAX)*IT_VMAX - IT_V25)/IT_AVG_SLOPE + 25.0f; |
defrost | 5:0c7d131e6089 | 129 | // Output the result: |
defrost | 1:4403f2ed1c1f | 130 | DBG("TempSensor = %.5f", TempSensor); |
defrost | 2:7abdaa5a9209 | 131 | DBG("ADC1->DR = %d", ADCRaw); |
defrost | 0:c5607b31fb07 | 132 | |
defrost | 0:c5607b31fb07 | 133 | // Send data over network: |
defrost | 0:c5607b31fb07 | 134 | SendNetworkData(); |
defrost | 0:c5607b31fb07 | 135 | |
defrost | 0:c5607b31fb07 | 136 | // Increment a counter: |
defrost | 0:c5607b31fb07 | 137 | SendCounter++; |
defrost | 0:c5607b31fb07 | 138 | |
defrost | 0:c5607b31fb07 | 139 | // Reset the timer: |
defrost | 0:c5607b31fb07 | 140 | DisplayTimer.reset(); |
defrost | 2:7abdaa5a9209 | 141 | |
defrost | 0:c5607b31fb07 | 142 | } |
defrost | 5:0c7d131e6089 | 143 | } // while(1) |
defrost | 5:0c7d131e6089 | 144 | } // main() |