RPC over HTTP example.
Dependencies: EthernetInterface HTTPServer mbed-rpc mbed-rtos mbed
Fork of RPC_HTTP by
This is a working example of using RPC over HTTP. This uses an ethernet connection. The program attaches an RPC handler to LED1. You can use a client program to send commands to this LED, addressing it as "led1".
HTTP_RPC.cpp@2:33d3bcad6a90, 2015-06-15 (annotated)
- Committer:
- sarahmarshy
- Date:
- Mon Jun 15 16:29:24 2015 +0000
- Revision:
- 2:33d3bcad6a90
- Child:
- 3:6cfcccfe3995
Working example of RPC over HTTP.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sarahmarshy | 2:33d3bcad6a90 | 1 | /* |
sarahmarshy | 2:33d3bcad6a90 | 2 | Copyright (c) 2010 ARM Ltd |
sarahmarshy | 2:33d3bcad6a90 | 3 | |
sarahmarshy | 2:33d3bcad6a90 | 4 | Permission is hereby granted, free of charge, to any person obtaining a copy |
sarahmarshy | 2:33d3bcad6a90 | 5 | of this software and associated documentation files (the "Software"), to deal |
sarahmarshy | 2:33d3bcad6a90 | 6 | in the Software without restriction, including without limitation the rights |
sarahmarshy | 2:33d3bcad6a90 | 7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
sarahmarshy | 2:33d3bcad6a90 | 8 | copies of the Software, and to permit persons to whom the Software is |
sarahmarshy | 2:33d3bcad6a90 | 9 | furnished to do so, subject to the following conditions: |
sarahmarshy | 2:33d3bcad6a90 | 10 | |
sarahmarshy | 2:33d3bcad6a90 | 11 | The above copyright notice and this permission notice shall be included in |
sarahmarshy | 2:33d3bcad6a90 | 12 | all copies or substantial portions of the Software. |
sarahmarshy | 2:33d3bcad6a90 | 13 | |
sarahmarshy | 2:33d3bcad6a90 | 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
sarahmarshy | 2:33d3bcad6a90 | 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
sarahmarshy | 2:33d3bcad6a90 | 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
sarahmarshy | 2:33d3bcad6a90 | 17 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
sarahmarshy | 2:33d3bcad6a90 | 18 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
sarahmarshy | 2:33d3bcad6a90 | 19 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
sarahmarshy | 2:33d3bcad6a90 | 20 | THE SOFTWARE. |
sarahmarshy | 2:33d3bcad6a90 | 21 | */ |
sarahmarshy | 2:33d3bcad6a90 | 22 | #include "mbed.h" |
sarahmarshy | 2:33d3bcad6a90 | 23 | #include "EthernetInterface.h" |
sarahmarshy | 2:33d3bcad6a90 | 24 | #include "HTTPServer.h" |
sarahmarshy | 2:33d3bcad6a90 | 25 | #include "mbed_rpc.h" |
sarahmarshy | 2:33d3bcad6a90 | 26 | |
sarahmarshy | 2:33d3bcad6a90 | 27 | DigitalOut led1(LED1); |
sarahmarshy | 2:33d3bcad6a90 | 28 | RpcDigitalOut led2(LED2,"led2"); |
sarahmarshy | 2:33d3bcad6a90 | 29 | RpcDigitalOut led3(LED3,"led3"); |
sarahmarshy | 2:33d3bcad6a90 | 30 | RpcDigitalOut led4(LED4, "led4"); |
sarahmarshy | 2:33d3bcad6a90 | 31 | |
sarahmarshy | 2:33d3bcad6a90 | 32 | |
sarahmarshy | 2:33d3bcad6a90 | 33 | EthernetInterface eth; |
sarahmarshy | 2:33d3bcad6a90 | 34 | HTTPServer svr; |
sarahmarshy | 2:33d3bcad6a90 | 35 | |
sarahmarshy | 2:33d3bcad6a90 | 36 | int main() { |
sarahmarshy | 2:33d3bcad6a90 | 37 | //Turn the LEDs off |
sarahmarshy | 2:33d3bcad6a90 | 38 | led1.write(1); |
sarahmarshy | 2:33d3bcad6a90 | 39 | led2.write(1); |
sarahmarshy | 2:33d3bcad6a90 | 40 | led3.write(1); |
sarahmarshy | 2:33d3bcad6a90 | 41 | led4.write(1); |
sarahmarshy | 2:33d3bcad6a90 | 42 | |
sarahmarshy | 2:33d3bcad6a90 | 43 | RPC::add_rpc_class<RpcDigitalOut>(); |
sarahmarshy | 2:33d3bcad6a90 | 44 | |
sarahmarshy | 2:33d3bcad6a90 | 45 | printf("Setting up...\n"); |
sarahmarshy | 2:33d3bcad6a90 | 46 | eth.init(); |
sarahmarshy | 2:33d3bcad6a90 | 47 | int ethErr = eth.connect(); |
sarahmarshy | 2:33d3bcad6a90 | 48 | if(ethErr < 0) |
sarahmarshy | 2:33d3bcad6a90 | 49 | { |
sarahmarshy | 2:33d3bcad6a90 | 50 | printf("Error %d in setup.\n", ethErr); |
sarahmarshy | 2:33d3bcad6a90 | 51 | return -1; |
sarahmarshy | 2:33d3bcad6a90 | 52 | } |
sarahmarshy | 2:33d3bcad6a90 | 53 | |
sarahmarshy | 2:33d3bcad6a90 | 54 | svr.addHandler<HTTPRpcRequestHandler>("/rpc"); |
sarahmarshy | 2:33d3bcad6a90 | 55 | |
sarahmarshy | 2:33d3bcad6a90 | 56 | //attach server to port 80 |
sarahmarshy | 2:33d3bcad6a90 | 57 | svr.start(80, ð); |
sarahmarshy | 2:33d3bcad6a90 | 58 | |
sarahmarshy | 2:33d3bcad6a90 | 59 | printf("Listening...\n"); |
sarahmarshy | 2:33d3bcad6a90 | 60 | |
sarahmarshy | 2:33d3bcad6a90 | 61 | Timer tm; |
sarahmarshy | 2:33d3bcad6a90 | 62 | tm.start(); |
sarahmarshy | 2:33d3bcad6a90 | 63 | //Listen indefinitely |
sarahmarshy | 2:33d3bcad6a90 | 64 | while(true) |
sarahmarshy | 2:33d3bcad6a90 | 65 | { |
sarahmarshy | 2:33d3bcad6a90 | 66 | svr.poll(); |
sarahmarshy | 2:33d3bcad6a90 | 67 | if(tm.read()>.5) |
sarahmarshy | 2:33d3bcad6a90 | 68 | { |
sarahmarshy | 2:33d3bcad6a90 | 69 | //led1=!led1; //Show that we are alive |
sarahmarshy | 2:33d3bcad6a90 | 70 | tm.start(); |
sarahmarshy | 2:33d3bcad6a90 | 71 | } |
sarahmarshy | 2:33d3bcad6a90 | 72 | } |
sarahmarshy | 2:33d3bcad6a90 | 73 | |
sarahmarshy | 2:33d3bcad6a90 | 74 | } |