Connected switch with wifi for Project Trenton (weather control switch!). Targets NXP LPC1768 device with WiFly connectivity module.
Dependencies: WiflyInterface mbed nanoservice_client_1_12
Fork of cc3000_simple_socket_demo by
main.cpp@22:3a6ce4ba0222, 2014-08-26 (annotated)
- Committer:
- erigow01
- Date:
- Tue Aug 26 15:37:47 2014 +0000
- Revision:
- 22:3a6ce4ba0222
- Parent:
- 20:c35b8700d5b2
Updated Libs.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Kojto | 6:6eaae34586b8 | 1 | /* mbed Microcontroller Library |
Kojto | 6:6eaae34586b8 | 2 | * Copyright (c) 2006-2013 ARM Limited |
Kojto | 6:6eaae34586b8 | 3 | * |
Kojto | 6:6eaae34586b8 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
Kojto | 6:6eaae34586b8 | 5 | * you may not use this file except in compliance with the License. |
Kojto | 6:6eaae34586b8 | 6 | * You may obtain a copy of the License at |
Kojto | 6:6eaae34586b8 | 7 | * |
Kojto | 6:6eaae34586b8 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
Kojto | 6:6eaae34586b8 | 9 | * |
Kojto | 6:6eaae34586b8 | 10 | * Unless required by applicable law or agreed to in writing, software |
Kojto | 6:6eaae34586b8 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
Kojto | 6:6eaae34586b8 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Kojto | 6:6eaae34586b8 | 13 | * See the License for the specific language governing permissions and |
Kojto | 6:6eaae34586b8 | 14 | * limitations under the License. |
Kojto | 6:6eaae34586b8 | 15 | */ |
Kojto | 6:6eaae34586b8 | 16 | #include "mbed.h" |
erigow01 | 16:3fb612af0dc5 | 17 | #include "WiflyInterface.h" |
Kojto | 6:6eaae34586b8 | 18 | #include "main.h" |
erigow01 | 16:3fb612af0dc5 | 19 | #include "nsdl_support.h" |
erigow01 | 18:eb1a194d60d9 | 20 | #include "switch.h" |
Kojto | 8:be68e827aa53 | 21 | |
erigow01 | 16:3fb612af0dc5 | 22 | //Serial pc(USBTX, USBRX); |
Kojto | 6:6eaae34586b8 | 23 | |
erigow01 | 16:3fb612af0dc5 | 24 | /* wifly object where: |
erigow01 | 16:3fb612af0dc5 | 25 | * - p9 and p10 are for the serial communication |
erigow01 | 16:3fb612af0dc5 | 26 | * - p25 is for the reset pin |
erigow01 | 16:3fb612af0dc5 | 27 | * - p26 is for the connection status |
erigow01 | 16:3fb612af0dc5 | 28 | * - "mbed" is the ssid of the network |
erigow01 | 16:3fb612af0dc5 | 29 | * - "password" is the password |
erigow01 | 16:3fb612af0dc5 | 30 | * - WPA is the security |
erigow01 | 16:3fb612af0dc5 | 31 | */ |
erigow01 | 18:eb1a194d60d9 | 32 | WiflyInterface wifly(p9, p10, p25, p26, SSID, AP_KEY, WPA); |
erigow01 | 18:eb1a194d60d9 | 33 | //WiflyInterface wifly(PTE16, PTE17, PTD4, PTD2, SSID, AP_KEY, WPA); //KL46Z |
Kojto | 6:6eaae34586b8 | 34 | |
erigow01 | 15:59f4cee0da79 | 35 | // NSP configuration |
erigow01 | 15:59f4cee0da79 | 36 | /* Change this IP address to that of your NanoService Platform installation */ |
erigow01 | 15:59f4cee0da79 | 37 | Endpoint nsp; |
erigow01 | 15:59f4cee0da79 | 38 | UDPSocket server; |
erigow01 | 16:3fb612af0dc5 | 39 | //extern TCPSocketConnection server; |
erigow01 | 18:eb1a194d60d9 | 40 | char endpoint_name[] = {"switch"}; |
erigow01 | 18:eb1a194d60d9 | 41 | uint8_t ep_type[] = {"mbed_LPC1768"}; |
erigow01 | 15:59f4cee0da79 | 42 | uint8_t lifetime_ptr[] = {"86400"}; |
erigow01 | 15:59f4cee0da79 | 43 | |
erigow01 | 16:3fb612af0dc5 | 44 | //static const char* NSP_ADDRESS = "208.111.39.209"; /* demo NSP, web interface at http://nanoservice-demo.mbed.org*/ |
erigow01 | 16:3fb612af0dc5 | 45 | //static const char* NSP_ADDRESS = "10.2.131.119"; /* aseserver NSP, */ |
erigow01 | 16:3fb612af0dc5 | 46 | static const char* NSP_ADDRESS = "192.168.1.10"; /* Trenton BBB NSP */ |
erigow01 | 16:3fb612af0dc5 | 47 | static const int NSP_PORT = 5683; |
Kojto | 6:6eaae34586b8 | 48 | |
erigow01 | 18:eb1a194d60d9 | 49 | //Hard Fault Handler (Watchdog) |
erigow01 | 18:eb1a194d60d9 | 50 | extern "C" void HardFault_Handler() { |
erigow01 | 18:eb1a194d60d9 | 51 | printf("Hard Fault!\r\n"); |
erigow01 | 18:eb1a194d60d9 | 52 | NVIC_SystemReset(); |
erigow01 | 18:eb1a194d60d9 | 53 | } |
Kojto | 6:6eaae34586b8 | 54 | |
erigow01 | 15:59f4cee0da79 | 55 | // **************************************************************************** |
erigow01 | 15:59f4cee0da79 | 56 | // NSP initialization |
erigow01 | 15:59f4cee0da79 | 57 | |
erigow01 | 15:59f4cee0da79 | 58 | static void nsp_connect() |
erigow01 | 15:59f4cee0da79 | 59 | { |
erigow01 | 18:eb1a194d60d9 | 60 | printf("EP Name: %s\r\n", endpoint_name); |
erigow01 | 18:eb1a194d60d9 | 61 | printf("NSP Location: coap://%s:%d\r\n", NSP_ADDRESS, NSP_PORT); |
erigow01 | 15:59f4cee0da79 | 62 | |
erigow01 | 15:59f4cee0da79 | 63 | // Bind the port |
erigow01 | 15:59f4cee0da79 | 64 | //cellular->bind(EP_PORT); |
erigow01 | 15:59f4cee0da79 | 65 | server.init(); |
erigow01 | 16:3fb612af0dc5 | 66 | //server.connect(NSP_ADDRESS, NSP_PORT); |
erigow01 | 15:59f4cee0da79 | 67 | server.bind(NSP_PORT); |
erigow01 | 15:59f4cee0da79 | 68 | nsp.set_address(NSP_ADDRESS, NSP_PORT); |
erigow01 | 15:59f4cee0da79 | 69 | |
erigow01 | 15:59f4cee0da79 | 70 | printf("UDP connection to NSP successful.\r\n"); |
erigow01 | 15:59f4cee0da79 | 71 | } |
erigow01 | 15:59f4cee0da79 | 72 | |
erigow01 | 15:59f4cee0da79 | 73 | static int create_resources() |
erigow01 | 15:59f4cee0da79 | 74 | { |
erigow01 | 15:59f4cee0da79 | 75 | sn_nsdl_resource_info_s *resource_ptr = NULL; |
erigow01 | 15:59f4cee0da79 | 76 | sn_nsdl_ep_parameters_s *endpoint_ptr = NULL; |
erigow01 | 15:59f4cee0da79 | 77 | |
erigow01 | 15:59f4cee0da79 | 78 | printf("Creating resources\r\n"); |
erigow01 | 15:59f4cee0da79 | 79 | |
erigow01 | 15:59f4cee0da79 | 80 | /* Create resources */ |
erigow01 | 15:59f4cee0da79 | 81 | resource_ptr = (sn_nsdl_resource_info_s*)nsdl_alloc(sizeof(sn_nsdl_resource_info_s)); |
erigow01 | 15:59f4cee0da79 | 82 | if(!resource_ptr) |
erigow01 | 15:59f4cee0da79 | 83 | return 0; |
erigow01 | 15:59f4cee0da79 | 84 | memset(resource_ptr, 0, sizeof(sn_nsdl_resource_info_s)); |
erigow01 | 15:59f4cee0da79 | 85 | |
erigow01 | 15:59f4cee0da79 | 86 | resource_ptr->resource_parameters_ptr = (sn_nsdl_resource_parameters_s*)nsdl_alloc(sizeof(sn_nsdl_resource_parameters_s)); |
erigow01 | 15:59f4cee0da79 | 87 | if(!resource_ptr->resource_parameters_ptr) |
erigow01 | 15:59f4cee0da79 | 88 | { |
erigow01 | 15:59f4cee0da79 | 89 | nsdl_free(resource_ptr); |
erigow01 | 15:59f4cee0da79 | 90 | return 0; |
erigow01 | 15:59f4cee0da79 | 91 | } |
erigow01 | 15:59f4cee0da79 | 92 | memset(resource_ptr->resource_parameters_ptr, 0, sizeof(sn_nsdl_resource_parameters_s)); |
erigow01 | 15:59f4cee0da79 | 93 | |
erigow01 | 15:59f4cee0da79 | 94 | // Static resources |
erigow01 | 18:eb1a194d60d9 | 95 | nsdl_create_static_resource(resource_ptr, sizeof("detail/name")-1, (uint8_t*) "detail/name", 0, 0, (uint8_t*) "LPC1768 Switch", sizeof("LPC1768 Switch")-1); |
erigow01 | 15:59f4cee0da79 | 96 | |
erigow01 | 15:59f4cee0da79 | 97 | // Dynamic resources |
erigow01 | 18:eb1a194d60d9 | 98 | create_switch_resource(resource_ptr); |
erigow01 | 15:59f4cee0da79 | 99 | |
erigow01 | 15:59f4cee0da79 | 100 | /* Register with NSP */ |
erigow01 | 15:59f4cee0da79 | 101 | endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)endpoint_name, ep_type, lifetime_ptr); |
erigow01 | 15:59f4cee0da79 | 102 | if(sn_nsdl_register_endpoint(endpoint_ptr) != 0) { |
erigow01 | 15:59f4cee0da79 | 103 | printf("NSP registering failed\r\n"); |
erigow01 | 15:59f4cee0da79 | 104 | } else { |
erigow01 | 15:59f4cee0da79 | 105 | printf("NSP registering OK\r\n"); |
erigow01 | 15:59f4cee0da79 | 106 | } |
erigow01 | 15:59f4cee0da79 | 107 | nsdl_clean_register_endpoint(&endpoint_ptr); |
erigow01 | 15:59f4cee0da79 | 108 | |
erigow01 | 15:59f4cee0da79 | 109 | nsdl_free(resource_ptr->resource_parameters_ptr); |
erigow01 | 15:59f4cee0da79 | 110 | nsdl_free(resource_ptr); |
erigow01 | 15:59f4cee0da79 | 111 | return 1; |
erigow01 | 15:59f4cee0da79 | 112 | } |
erigow01 | 15:59f4cee0da79 | 113 | |
erigow01 | 17:8ca4a5801430 | 114 | /* The number of seconds between NSDL Ticks*/ |
erigow01 | 17:8ca4a5801430 | 115 | #define NSDL_TICK_PERIOD 1 |
erigow01 | 17:8ca4a5801430 | 116 | /* The number of seconds between NSP registration messages */ |
erigow01 | 17:8ca4a5801430 | 117 | #define RD_UPDATE_PERIOD 300 |
erigow01 | 17:8ca4a5801430 | 118 | |
erigow01 | 17:8ca4a5801430 | 119 | void nsdl_event_loop() |
erigow01 | 17:8ca4a5801430 | 120 | { |
erigow01 | 17:8ca4a5801430 | 121 | //Thread registration_thread(registration_update_thread); |
erigow01 | 17:8ca4a5801430 | 122 | |
erigow01 | 17:8ca4a5801430 | 123 | //For timing control |
erigow01 | 17:8ca4a5801430 | 124 | Timer nsdlTickTimer; |
erigow01 | 17:8ca4a5801430 | 125 | Timer registrationTimer; |
erigow01 | 17:8ca4a5801430 | 126 | |
erigow01 | 17:8ca4a5801430 | 127 | //Re-registration |
erigow01 | 17:8ca4a5801430 | 128 | sn_nsdl_ep_parameters_s *endpoint_ptr = NULL; |
erigow01 | 17:8ca4a5801430 | 129 | |
erigow01 | 17:8ca4a5801430 | 130 | //For recieving NSP messages |
erigow01 | 17:8ca4a5801430 | 131 | sn_nsdl_addr_s received_packet_address; |
erigow01 | 17:8ca4a5801430 | 132 | uint8_t received_address[4]; |
erigow01 | 17:8ca4a5801430 | 133 | int8_t nsdl_result = 0; |
erigow01 | 18:eb1a194d60d9 | 134 | char buffer[256]; |
erigow01 | 17:8ca4a5801430 | 135 | Endpoint from; |
erigow01 | 17:8ca4a5801430 | 136 | memset(&received_packet_address, 0, sizeof(sn_nsdl_addr_s)); |
erigow01 | 17:8ca4a5801430 | 137 | received_packet_address.addr_ptr = received_address; |
erigow01 | 17:8ca4a5801430 | 138 | server.set_blocking(false, 1500); |
erigow01 | 17:8ca4a5801430 | 139 | |
erigow01 | 17:8ca4a5801430 | 140 | //Check incoming socket... |
erigow01 | 17:8ca4a5801430 | 141 | int n = 0; |
erigow01 | 17:8ca4a5801430 | 142 | int32_t time = 0; |
erigow01 | 17:8ca4a5801430 | 143 | nsdlTickTimer.start(); |
erigow01 | 17:8ca4a5801430 | 144 | registrationTimer.start(); |
erigow01 | 17:8ca4a5801430 | 145 | while(true) |
erigow01 | 17:8ca4a5801430 | 146 | { |
erigow01 | 17:8ca4a5801430 | 147 | //Wifly UDP Packet Receive... |
erigow01 | 17:8ca4a5801430 | 148 | n = server.receiveFrom(from, buffer, sizeof(buffer)); |
erigow01 | 17:8ca4a5801430 | 149 | if (n < 0) |
erigow01 | 17:8ca4a5801430 | 150 | { |
erigow01 | 17:8ca4a5801430 | 151 | //No Data |
erigow01 | 17:8ca4a5801430 | 152 | //printf("Socket error\n\r"); |
erigow01 | 17:8ca4a5801430 | 153 | } |
erigow01 | 17:8ca4a5801430 | 154 | else |
erigow01 | 17:8ca4a5801430 | 155 | { |
erigow01 | 17:8ca4a5801430 | 156 | //UDP |
erigow01 | 17:8ca4a5801430 | 157 | //wait(0.25); //Waiting seems to increase reliability of comms... |
erigow01 | 17:8ca4a5801430 | 158 | printf("Received %d bytes\r\n", n); |
erigow01 | 17:8ca4a5801430 | 159 | nsdl_result = sn_nsdl_process_coap((uint8_t*)buffer, n, &received_packet_address); |
erigow01 | 17:8ca4a5801430 | 160 | printf("Processed COAP Packet: %d\r\n", nsdl_result); |
erigow01 | 17:8ca4a5801430 | 161 | n = 0; |
erigow01 | 17:8ca4a5801430 | 162 | } |
erigow01 | 17:8ca4a5801430 | 163 | |
erigow01 | 17:8ca4a5801430 | 164 | //Check if need to send pressure mat update... |
erigow01 | 18:eb1a194d60d9 | 165 | switch_report(); |
erigow01 | 17:8ca4a5801430 | 166 | |
erigow01 | 17:8ca4a5801430 | 167 | //NSDL Tick |
erigow01 | 17:8ca4a5801430 | 168 | if(nsdlTickTimer.read() >= NSDL_TICK_PERIOD) { |
erigow01 | 17:8ca4a5801430 | 169 | sn_nsdl_exec(time); |
erigow01 | 17:8ca4a5801430 | 170 | nsdlTickTimer.reset(); |
erigow01 | 17:8ca4a5801430 | 171 | } |
erigow01 | 17:8ca4a5801430 | 172 | |
erigow01 | 17:8ca4a5801430 | 173 | //Registration Tick |
erigow01 | 17:8ca4a5801430 | 174 | if(registrationTimer.read() >= RD_UPDATE_PERIOD) { |
erigow01 | 17:8ca4a5801430 | 175 | printf("NSP attempt re-register...\r\n"); |
erigow01 | 17:8ca4a5801430 | 176 | endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)endpoint_name, ep_type, lifetime_ptr); |
erigow01 | 17:8ca4a5801430 | 177 | if(sn_nsdl_register_endpoint(endpoint_ptr) != 0) |
erigow01 | 17:8ca4a5801430 | 178 | printf("NSP re-registering failed\r\n"); |
erigow01 | 17:8ca4a5801430 | 179 | else |
erigow01 | 17:8ca4a5801430 | 180 | printf("NSP re-registering OK\r\n"); |
erigow01 | 17:8ca4a5801430 | 181 | nsdl_clean_register_endpoint(&endpoint_ptr); |
erigow01 | 17:8ca4a5801430 | 182 | registrationTimer.reset(); |
erigow01 | 17:8ca4a5801430 | 183 | } |
erigow01 | 17:8ca4a5801430 | 184 | } |
erigow01 | 17:8ca4a5801430 | 185 | |
erigow01 | 17:8ca4a5801430 | 186 | |
erigow01 | 17:8ca4a5801430 | 187 | } |
erigow01 | 15:59f4cee0da79 | 188 | |
erigow01 | 15:59f4cee0da79 | 189 | |
Kojto | 8:be68e827aa53 | 190 | /** |
Kojto | 7:afaa17c11965 | 191 | * \param none |
Kojto | 6:6eaae34586b8 | 192 | * \return int |
Kojto | 6:6eaae34586b8 | 193 | */ |
Kojto | 6:6eaae34586b8 | 194 | int main() { |
erigow01 | 16:3fb612af0dc5 | 195 | //factory reset Wifly |
erigow01 | 16:3fb612af0dc5 | 196 | wifly.reset(); |
erigow01 | 18:eb1a194d60d9 | 197 | printf("\nFactory Reset\r\n"); |
erigow01 | 16:3fb612af0dc5 | 198 | //reboot wifly |
erigow01 | 16:3fb612af0dc5 | 199 | bool success = wifly.reboot(); |
erigow01 | 18:eb1a194d60d9 | 200 | printf("Reboot: %d\r\n", success); //success = 1 -> successful process |
erigow01 | 18:eb1a194d60d9 | 201 | printf("Initialising Wifly...\r\n"); |
erigow01 | 16:3fb612af0dc5 | 202 | wifly.init(); // use DHCP |
erigow01 | 16:3fb612af0dc5 | 203 | while (!wifly.connect()); // join the network |
erigow01 | 18:eb1a194d60d9 | 204 | printf("IP Address is %s\r\n", wifly.getIPAddress()); |
erigow01 | 16:3fb612af0dc5 | 205 | |
erigow01 | 15:59f4cee0da79 | 206 | // Bind the socket and configure NSP settings |
erigow01 | 15:59f4cee0da79 | 207 | nsp_connect(); |
erigow01 | 15:59f4cee0da79 | 208 | |
erigow01 | 15:59f4cee0da79 | 209 | // Initalize NanoService library |
erigow01 | 15:59f4cee0da79 | 210 | nsdl_init(); |
Kojto | 6:6eaae34586b8 | 211 | |
erigow01 | 15:59f4cee0da79 | 212 | // Create resources & register with NSP |
erigow01 | 16:3fb612af0dc5 | 213 | create_resources(); |
erigow01 | 16:3fb612af0dc5 | 214 | // Run the NSDL event loop (never returns) |
erigow01 | 16:3fb612af0dc5 | 215 | nsdl_event_loop(); |
Kojto | 6:6eaae34586b8 | 216 | } |