Evrythng API Example for W5500 (WIZnet chip)
Dependencies: EvrythngApi mbed
Fork of EvrythngApiExample by
Evrythng Example for W5500.
main.cpp@0:85d6be554642, 2012-08-30 (annotated)
- Committer:
- vladounet
- Date:
- Thu Aug 30 13:57:45 2012 +0000
- Revision:
- 0:85d6be554642
- Child:
- 1:5cdbdabe6577
Initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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vladounet | 0:85d6be554642 | 1 | /* |
vladounet | 0:85d6be554642 | 2 | * (c) Copyright 2012 EVRYTHNG Ltd London / Zurich |
vladounet | 0:85d6be554642 | 3 | * www.evrythng.com |
vladounet | 0:85d6be554642 | 4 | * |
vladounet | 0:85d6be554642 | 5 | * --- DISCLAIMER --- |
vladounet | 0:85d6be554642 | 6 | * |
vladounet | 0:85d6be554642 | 7 | * EVRYTHNG provides this source code "as is" and without warranty of any kind, |
vladounet | 0:85d6be554642 | 8 | * and hereby disclaims all express or implied warranties, including without |
vladounet | 0:85d6be554642 | 9 | * limitation warranties of merchantability, fitness for a particular purpose, |
vladounet | 0:85d6be554642 | 10 | * performance, accuracy, reliability, and non-infringement. |
vladounet | 0:85d6be554642 | 11 | * |
vladounet | 0:85d6be554642 | 12 | * |
vladounet | 0:85d6be554642 | 13 | * --- READ ME --- |
vladounet | 0:85d6be554642 | 14 | * |
vladounet | 0:85d6be554642 | 15 | * This is a demo application that uses EVRYTHNG's mbed wrapper to read and |
vladounet | 0:85d6be554642 | 16 | * write value to EVRYTHNG's engine. Please refer to the online documentation |
vladounet | 0:85d6be554642 | 17 | * available at http://dev.evrythng.com/mbed. |
vladounet | 0:85d6be554642 | 18 | * |
vladounet | 0:85d6be554642 | 19 | * |
vladounet | 0:85d6be554642 | 20 | * Author: Michel Yerly |
vladounet | 0:85d6be554642 | 21 | * |
vladounet | 0:85d6be554642 | 22 | */ |
vladounet | 0:85d6be554642 | 23 | |
vladounet | 0:85d6be554642 | 24 | #include "mbed.h" |
vladounet | 0:85d6be554642 | 25 | #include "EthernetInterface.h" |
vladounet | 0:85d6be554642 | 26 | #include <time.h> |
vladounet | 0:85d6be554642 | 27 | #include "EvrythngApi.h" |
vladounet | 0:85d6be554642 | 28 | #include "util.h" |
vladounet | 0:85d6be554642 | 29 | #include "eventqueue.h" |
vladounet | 0:85d6be554642 | 30 | |
vladounet | 0:85d6be554642 | 31 | /* |
vladounet | 0:85d6be554642 | 32 | * Configuration |
vladounet | 0:85d6be554642 | 33 | */ |
vladounet | 0:85d6be554642 | 34 | |
vladounet | 0:85d6be554642 | 35 | // Your EVRYTHNG api key. |
vladounet | 0:85d6be554642 | 36 | const char* API_KEY = ""; |
vladounet | 0:85d6be554642 | 37 | |
vladounet | 0:85d6be554642 | 38 | // Your thng id, the one that represents your mbed device. |
vladounet | 0:85d6be554642 | 39 | const char* THNG_ID = ""; |
vladounet | 0:85d6be554642 | 40 | |
vladounet | 0:85d6be554642 | 41 | // The property you want values to be pushed to. |
vladounet | 0:85d6be554642 | 42 | const char* THNG_PROP_SET = "prop3"; |
vladounet | 0:85d6be554642 | 43 | |
vladounet | 0:85d6be554642 | 44 | // The property you want values to be read from. |
vladounet | 0:85d6be554642 | 45 | const char* THNG_PROP_GET = "prop3"; |
vladounet | 0:85d6be554642 | 46 | |
vladounet | 0:85d6be554642 | 47 | |
vladounet | 0:85d6be554642 | 48 | |
vladounet | 0:85d6be554642 | 49 | DigitalOut led1(LED1); |
vladounet | 0:85d6be554642 | 50 | DigitalOut led2(LED2); |
vladounet | 0:85d6be554642 | 51 | DigitalOut led3(LED3); |
vladounet | 0:85d6be554642 | 52 | DigitalOut led4(LED4); |
vladounet | 0:85d6be554642 | 53 | |
vladounet | 0:85d6be554642 | 54 | static char displayVal = 0; |
vladounet | 0:85d6be554642 | 55 | |
vladounet | 0:85d6be554642 | 56 | /* |
vladounet | 0:85d6be554642 | 57 | * Displays a value between 0 and 15 as binary on the 4 LEDs. |
vladounet | 0:85d6be554642 | 58 | */ |
vladounet | 0:85d6be554642 | 59 | void display(char x) |
vladounet | 0:85d6be554642 | 60 | { |
vladounet | 0:85d6be554642 | 61 | led1 = x & (char)8 ? 1 : 0; |
vladounet | 0:85d6be554642 | 62 | led2 = x & (char)4 ? 1 : 0; |
vladounet | 0:85d6be554642 | 63 | led3 = x & (char)2 ? 1 : 0; |
vladounet | 0:85d6be554642 | 64 | led4 = x & (char)1 ? 1 : 0; |
vladounet | 0:85d6be554642 | 65 | displayVal = x; |
vladounet | 0:85d6be554642 | 66 | } |
vladounet | 0:85d6be554642 | 67 | |
vladounet | 0:85d6be554642 | 68 | /* |
vladounet | 0:85d6be554642 | 69 | * Flashes the 4 LEDs, and restores the state of the last display(). |
vladounet | 0:85d6be554642 | 70 | */ |
vladounet | 0:85d6be554642 | 71 | void flash() |
vladounet | 0:85d6be554642 | 72 | { |
vladounet | 0:85d6be554642 | 73 | char s = displayVal; |
vladounet | 0:85d6be554642 | 74 | for (int i = 0; i < 2; ++i) { |
vladounet | 0:85d6be554642 | 75 | display(0x0F); |
vladounet | 0:85d6be554642 | 76 | wait(0.1); |
vladounet | 0:85d6be554642 | 77 | display(0x00); |
vladounet | 0:85d6be554642 | 78 | wait(0.1); |
vladounet | 0:85d6be554642 | 79 | } |
vladounet | 0:85d6be554642 | 80 | display(s); |
vladounet | 0:85d6be554642 | 81 | } |
vladounet | 0:85d6be554642 | 82 | |
vladounet | 0:85d6be554642 | 83 | /* |
vladounet | 0:85d6be554642 | 84 | * Function to get the number of milliseconds elapsed since the system startup. |
vladounet | 0:85d6be554642 | 85 | * It is imprecise and if called repetitively and quickly, it may always return |
vladounet | 0:85d6be554642 | 86 | * the same result. It MUST be called at least every 30 minutes. |
vladounet | 0:85d6be554642 | 87 | * NOTE: I'm not proud of it. |
vladounet | 0:85d6be554642 | 88 | */ |
vladounet | 0:85d6be554642 | 89 | int64_t getMillis() |
vladounet | 0:85d6be554642 | 90 | { |
vladounet | 0:85d6be554642 | 91 | static Timer tmr; |
vladounet | 0:85d6be554642 | 92 | static int64_t clk = 0; |
vladounet | 0:85d6be554642 | 93 | |
vladounet | 0:85d6be554642 | 94 | tmr.stop(); |
vladounet | 0:85d6be554642 | 95 | clk += tmr.read_ms(); |
vladounet | 0:85d6be554642 | 96 | tmr.reset(); |
vladounet | 0:85d6be554642 | 97 | tmr.start(); |
vladounet | 0:85d6be554642 | 98 | |
vladounet | 0:85d6be554642 | 99 | char str[21]; |
vladounet | 0:85d6be554642 | 100 | char* end; |
vladounet | 0:85d6be554642 | 101 | sprinti64(str, clk, &end); |
vladounet | 0:85d6be554642 | 102 | *end = '\0'; |
vladounet | 0:85d6be554642 | 103 | dbg.printf("%s ", str); |
vladounet | 0:85d6be554642 | 104 | |
vladounet | 0:85d6be554642 | 105 | return clk; |
vladounet | 0:85d6be554642 | 106 | } |
vladounet | 0:85d6be554642 | 107 | |
vladounet | 0:85d6be554642 | 108 | /* |
vladounet | 0:85d6be554642 | 109 | * Entry point. |
vladounet | 0:85d6be554642 | 110 | * |
vladounet | 0:85d6be554642 | 111 | * This demo application uses an event loop to set and get property values |
vladounet | 0:85d6be554642 | 112 | * on EVRYTHNG engine at given intervals. |
vladounet | 0:85d6be554642 | 113 | */ |
vladounet | 0:85d6be554642 | 114 | int main() |
vladounet | 0:85d6be554642 | 115 | { |
vladounet | 0:85d6be554642 | 116 | dbg.printf("Initializing ethernet interface\r\n"); |
vladounet | 0:85d6be554642 | 117 | EthernetInterface eth; |
vladounet | 0:85d6be554642 | 118 | eth.init(); //Use DHCP |
vladounet | 0:85d6be554642 | 119 | eth.connect(); |
vladounet | 0:85d6be554642 | 120 | dbg.printf("IP address: %s\r\n", eth.getIPAddress()); |
vladounet | 0:85d6be554642 | 121 | |
vladounet | 0:85d6be554642 | 122 | EvrythngApi api(API_KEY); |
vladounet | 0:85d6be554642 | 123 | |
vladounet | 0:85d6be554642 | 124 | // intervals in ms |
vladounet | 0:85d6be554642 | 125 | const int SET_INTERVAL = 5000; |
vladounet | 0:85d6be554642 | 126 | const int GET_INTERVAL = 2000; |
vladounet | 0:85d6be554642 | 127 | |
vladounet | 0:85d6be554642 | 128 | int curVal = 0; |
vladounet | 0:85d6be554642 | 129 | display(curVal); |
vladounet | 0:85d6be554642 | 130 | |
vladounet | 0:85d6be554642 | 131 | int putVal = 0; |
vladounet | 0:85d6be554642 | 132 | char strPutVal[3]; |
vladounet | 0:85d6be554642 | 133 | int64_t timestamp = 1345736694000LL; // 2012-08-23 10:44:54am EST |
vladounet | 0:85d6be554642 | 134 | |
vladounet | 0:85d6be554642 | 135 | EventQueue eventQueue; |
vladounet | 0:85d6be554642 | 136 | eventQueue.put(getMillis()+GET_INTERVAL, EVT_GET_PROP); |
vladounet | 0:85d6be554642 | 137 | eventQueue.put(getMillis()+SET_INTERVAL, EVT_SET_PROP); |
vladounet | 0:85d6be554642 | 138 | |
vladounet | 0:85d6be554642 | 139 | while (!eventQueue.empty()) { |
vladounet | 0:85d6be554642 | 140 | EventType event = eventQueue.waitNext(getMillis()); |
vladounet | 0:85d6be554642 | 141 | |
vladounet | 0:85d6be554642 | 142 | switch (event) { |
vladounet | 0:85d6be554642 | 143 | |
vladounet | 0:85d6be554642 | 144 | case EVT_SET_PROP: |
vladounet | 0:85d6be554642 | 145 | |
vladounet | 0:85d6be554642 | 146 | eventQueue.put(SET_INTERVAL + getMillis(), EVT_SET_PROP); |
vladounet | 0:85d6be554642 | 147 | |
vladounet | 0:85d6be554642 | 148 | putVal = (putVal + 1) & 0xF; |
vladounet | 0:85d6be554642 | 149 | sprintf(strPutVal, "%d", putVal); |
vladounet | 0:85d6be554642 | 150 | timestamp++; |
vladounet | 0:85d6be554642 | 151 | api.setThngPropertyValue(THNG_ID, THNG_PROP_SET, string(strPutVal), timestamp); |
vladounet | 0:85d6be554642 | 152 | |
vladounet | 0:85d6be554642 | 153 | break; |
vladounet | 0:85d6be554642 | 154 | |
vladounet | 0:85d6be554642 | 155 | case EVT_GET_PROP: |
vladounet | 0:85d6be554642 | 156 | |
vladounet | 0:85d6be554642 | 157 | eventQueue.put(GET_INTERVAL + getMillis(), EVT_GET_PROP); |
vladounet | 0:85d6be554642 | 158 | |
vladounet | 0:85d6be554642 | 159 | string v; |
vladounet | 0:85d6be554642 | 160 | int r = api.getThngPropertyValue(THNG_ID, THNG_PROP_GET, v); |
vladounet | 0:85d6be554642 | 161 | if (r == 0) { |
vladounet | 0:85d6be554642 | 162 | flash(); |
vladounet | 0:85d6be554642 | 163 | int newVal = atoi(v.c_str()); |
vladounet | 0:85d6be554642 | 164 | if (newVal != curVal) { |
vladounet | 0:85d6be554642 | 165 | curVal = newVal; |
vladounet | 0:85d6be554642 | 166 | display(curVal); |
vladounet | 0:85d6be554642 | 167 | } |
vladounet | 0:85d6be554642 | 168 | } |
vladounet | 0:85d6be554642 | 169 | break; |
vladounet | 0:85d6be554642 | 170 | } |
vladounet | 0:85d6be554642 | 171 | } |
vladounet | 0:85d6be554642 | 172 | |
vladounet | 0:85d6be554642 | 173 | dbg.printf("Disconnecting ethernet interface\r\n"); |
vladounet | 0:85d6be554642 | 174 | eth.disconnect(); |
vladounet | 0:85d6be554642 | 175 | |
vladounet | 0:85d6be554642 | 176 | dbg.printf("Done.\r\n"); |
vladounet | 0:85d6be554642 | 177 | while(1) {} |
vladounet | 0:85d6be554642 | 178 | } |