Demo Team / mbed-IBooth-ETH

mbed Sensor node for Instrumented Booth over ETH.

Dependencies:   EthernetInterface-1 MaxbotixDriver Presence HTU21D_TEMP_HUMID_SENSOR_SAMPLE Resources SHARPIR mbed-rtos mbed-src WDT_K64F nsdl_lib

Fork of Trenton_Switch_LPC1768_ETH by Demo Team

main.cpp@22:b361f7ae0508, 2014-08-13 (annotated)

Committer:
erigow01
Date:
Wed Aug 13 09:56:11 2014 +0000
Revision:
22:b361f7ae0508
Parent:
20:c35b8700d5b2
Child:
25:cb16c5248769
Created. Connected Day Switch with Ethernet interface support.

Who changed what in which revision?

UserRevisionLine numberNew 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 22:b361f7ae0508 17 #include "EthernetInterface.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 22:b361f7ae0508 24 // ****************************************************************************
erigow01 22:b361f7ae0508 25 // Configuration section
erigow01 22:b361f7ae0508 26
erigow01 22:b361f7ae0508 27 // Ethernet configuration
erigow01 22:b361f7ae0508 28 /* Define this to enable DHCP, otherwise manual address configuration is used */
erigow01 22:b361f7ae0508 29 #define DHCP
erigow01 22:b361f7ae0508 30
erigow01 22:b361f7ae0508 31 /* Manual IP configurations, if DHCP not defined */
erigow01 22:b361f7ae0508 32 #define IP "10.45.0.206"
erigow01 22:b361f7ae0508 33 #define MASK "255.255.255.0"
erigow01 22:b361f7ae0508 34 #define GW "10.45.0.1"
erigow01 22:b361f7ae0508 35
erigow01 22:b361f7ae0508 36 // ****************************************************************************
erigow01 22:b361f7ae0508 37 // Ethernet initialization
erigow01 22:b361f7ae0508 38
erigow01 22:b361f7ae0508 39 EthernetInterface eth;
erigow01 22:b361f7ae0508 40
erigow01 22:b361f7ae0508 41 static void ethernet_init()
erigow01 22:b361f7ae0508 42 {
erigow01 22:b361f7ae0508 43 char mbed_uid[33]; // for creating unique name for the board
erigow01 22:b361f7ae0508 44
erigow01 22:b361f7ae0508 45 /* Initialize network */
erigow01 22:b361f7ae0508 46 #ifdef DHCP
erigow01 22:b361f7ae0508 47 printf("DHCP in use\r\n");
erigow01 22:b361f7ae0508 48 eth.init();
erigow01 22:b361f7ae0508 49 #else
erigow01 22:b361f7ae0508 50 eth.init(IP, MASK, GW);
erigow01 22:b361f7ae0508 51 #endif
erigow01 22:b361f7ae0508 52 if(eth.connect(30000) == 0)
erigow01 22:b361f7ae0508 53 printf("Connect OK\n\r");
erigow01 22:b361f7ae0508 54 /*
erigow01 22:b361f7ae0508 55 mbed_interface_uid(mbed_uid);
erigow01 22:b361f7ae0508 56 mbed_uid[32] = '\0';
erigow01 22:b361f7ae0508 57 strncat(endpoint_name, mbed_uid + 27, 15 - strlen(endpoint_name));
erigow01 22:b361f7ae0508 58
erigow01 22:b361f7ae0508 59 lcd.locate(0,11);
erigow01 22:b361f7ae0508 60 lcd.printf("IP:%s", eth.getIPAddress());
erigow01 16:3fb612af0dc5 61 */
erigow01 22:b361f7ae0508 62 printf("IP Address:%s ", eth.getIPAddress());
erigow01 22:b361f7ae0508 63 }
Kojto 6:6eaae34586b8 64
erigow01 15:59f4cee0da79 65 // NSP configuration
erigow01 15:59f4cee0da79 66 /* Change this IP address to that of your NanoService Platform installation */
erigow01 15:59f4cee0da79 67 Endpoint nsp;
erigow01 15:59f4cee0da79 68 UDPSocket server;
erigow01 22:b361f7ae0508 69
erigow01 16:3fb612af0dc5 70 //extern TCPSocketConnection server;
erigow01 18:eb1a194d60d9 71 char endpoint_name[] = {"switch"};
erigow01 18:eb1a194d60d9 72 uint8_t ep_type[] = {"mbed_LPC1768"};
erigow01 15:59f4cee0da79 73 uint8_t lifetime_ptr[] = {"86400"};
erigow01 15:59f4cee0da79 74
erigow01 16:3fb612af0dc5 75 static const char* NSP_ADDRESS = "192.168.1.10"; /* Trenton BBB NSP */
erigow01 16:3fb612af0dc5 76 static const int NSP_PORT = 5683;
Kojto 6:6eaae34586b8 77
erigow01 18:eb1a194d60d9 78 //Hard Fault Handler (Watchdog)
erigow01 18:eb1a194d60d9 79 extern "C" void HardFault_Handler() {
erigow01 18:eb1a194d60d9 80 printf("Hard Fault!\r\n");
erigow01 18:eb1a194d60d9 81 NVIC_SystemReset();
erigow01 18:eb1a194d60d9 82 }
Kojto 6:6eaae34586b8 83
erigow01 15:59f4cee0da79 84 // ****************************************************************************
erigow01 15:59f4cee0da79 85 // NSP initialization
erigow01 15:59f4cee0da79 86
erigow01 15:59f4cee0da79 87 static void nsp_connect()
erigow01 15:59f4cee0da79 88 {
erigow01 18:eb1a194d60d9 89 printf("EP Name: %s\r\n", endpoint_name);
erigow01 18:eb1a194d60d9 90 printf("NSP Location: coap://%s:%d\r\n", NSP_ADDRESS, NSP_PORT);
erigow01 15:59f4cee0da79 91
erigow01 15:59f4cee0da79 92 // Bind the port
erigow01 15:59f4cee0da79 93 //cellular->bind(EP_PORT);
erigow01 15:59f4cee0da79 94 server.init();
erigow01 16:3fb612af0dc5 95 //server.connect(NSP_ADDRESS, NSP_PORT);
erigow01 15:59f4cee0da79 96 server.bind(NSP_PORT);
erigow01 15:59f4cee0da79 97 nsp.set_address(NSP_ADDRESS, NSP_PORT);
erigow01 15:59f4cee0da79 98
erigow01 15:59f4cee0da79 99 printf("UDP connection to NSP successful.\r\n");
erigow01 15:59f4cee0da79 100 }
erigow01 15:59f4cee0da79 101
erigow01 15:59f4cee0da79 102 static int create_resources()
erigow01 15:59f4cee0da79 103 {
erigow01 15:59f4cee0da79 104 sn_nsdl_resource_info_s *resource_ptr = NULL;
erigow01 15:59f4cee0da79 105 sn_nsdl_ep_parameters_s *endpoint_ptr = NULL;
erigow01 15:59f4cee0da79 106
erigow01 15:59f4cee0da79 107 printf("Creating resources\r\n");
erigow01 15:59f4cee0da79 108
erigow01 15:59f4cee0da79 109 /* Create resources */
erigow01 15:59f4cee0da79 110 resource_ptr = (sn_nsdl_resource_info_s*)nsdl_alloc(sizeof(sn_nsdl_resource_info_s));
erigow01 15:59f4cee0da79 111 if(!resource_ptr)
erigow01 15:59f4cee0da79 112 return 0;
erigow01 15:59f4cee0da79 113 memset(resource_ptr, 0, sizeof(sn_nsdl_resource_info_s));
erigow01 15:59f4cee0da79 114
erigow01 15:59f4cee0da79 115 resource_ptr->resource_parameters_ptr = (sn_nsdl_resource_parameters_s*)nsdl_alloc(sizeof(sn_nsdl_resource_parameters_s));
erigow01 15:59f4cee0da79 116 if(!resource_ptr->resource_parameters_ptr)
erigow01 15:59f4cee0da79 117 {
erigow01 15:59f4cee0da79 118 nsdl_free(resource_ptr);
erigow01 15:59f4cee0da79 119 return 0;
erigow01 15:59f4cee0da79 120 }
erigow01 15:59f4cee0da79 121 memset(resource_ptr->resource_parameters_ptr, 0, sizeof(sn_nsdl_resource_parameters_s));
erigow01 15:59f4cee0da79 122
erigow01 15:59f4cee0da79 123 // Static resources
erigow01 18:eb1a194d60d9 124 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 125
erigow01 15:59f4cee0da79 126 // Dynamic resources
erigow01 18:eb1a194d60d9 127 create_switch_resource(resource_ptr);
erigow01 15:59f4cee0da79 128
erigow01 15:59f4cee0da79 129 /* Register with NSP */
erigow01 15:59f4cee0da79 130 endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)endpoint_name, ep_type, lifetime_ptr);
erigow01 15:59f4cee0da79 131 if(sn_nsdl_register_endpoint(endpoint_ptr) != 0) {
erigow01 15:59f4cee0da79 132 printf("NSP registering failed\r\n");
erigow01 15:59f4cee0da79 133 } else {
erigow01 15:59f4cee0da79 134 printf("NSP registering OK\r\n");
erigow01 15:59f4cee0da79 135 }
erigow01 15:59f4cee0da79 136 nsdl_clean_register_endpoint(&endpoint_ptr);
erigow01 15:59f4cee0da79 137
erigow01 15:59f4cee0da79 138 nsdl_free(resource_ptr->resource_parameters_ptr);
erigow01 15:59f4cee0da79 139 nsdl_free(resource_ptr);
erigow01 15:59f4cee0da79 140 return 1;
erigow01 15:59f4cee0da79 141 }
erigow01 15:59f4cee0da79 142
erigow01 17:8ca4a5801430 143 /* The number of seconds between NSDL Ticks*/
erigow01 17:8ca4a5801430 144 #define NSDL_TICK_PERIOD 1
erigow01 17:8ca4a5801430 145 /* The number of seconds between NSP registration messages */
erigow01 17:8ca4a5801430 146 #define RD_UPDATE_PERIOD 300
erigow01 17:8ca4a5801430 147
erigow01 17:8ca4a5801430 148 void nsdl_event_loop()
erigow01 17:8ca4a5801430 149 {
erigow01 17:8ca4a5801430 150 //Thread registration_thread(registration_update_thread);
erigow01 17:8ca4a5801430 151
erigow01 17:8ca4a5801430 152 //For timing control
erigow01 17:8ca4a5801430 153 Timer nsdlTickTimer;
erigow01 17:8ca4a5801430 154 Timer registrationTimer;
erigow01 17:8ca4a5801430 155
erigow01 17:8ca4a5801430 156 //Re-registration
erigow01 17:8ca4a5801430 157 sn_nsdl_ep_parameters_s *endpoint_ptr = NULL;
erigow01 17:8ca4a5801430 158
erigow01 17:8ca4a5801430 159 //For recieving NSP messages
erigow01 17:8ca4a5801430 160 sn_nsdl_addr_s received_packet_address;
erigow01 17:8ca4a5801430 161 uint8_t received_address[4];
erigow01 17:8ca4a5801430 162 int8_t nsdl_result = 0;
erigow01 18:eb1a194d60d9 163 char buffer[256];
erigow01 17:8ca4a5801430 164 Endpoint from;
erigow01 17:8ca4a5801430 165 memset(&received_packet_address, 0, sizeof(sn_nsdl_addr_s));
erigow01 17:8ca4a5801430 166 received_packet_address.addr_ptr = received_address;
erigow01 17:8ca4a5801430 167 server.set_blocking(false, 1500);
erigow01 17:8ca4a5801430 168
erigow01 17:8ca4a5801430 169 //Check incoming socket...
erigow01 17:8ca4a5801430 170 int n = 0;
erigow01 17:8ca4a5801430 171 int32_t time = 0;
erigow01 17:8ca4a5801430 172 nsdlTickTimer.start();
erigow01 17:8ca4a5801430 173 registrationTimer.start();
erigow01 17:8ca4a5801430 174 while(true)
erigow01 17:8ca4a5801430 175 {
erigow01 17:8ca4a5801430 176 //Wifly UDP Packet Receive...
erigow01 17:8ca4a5801430 177 n = server.receiveFrom(from, buffer, sizeof(buffer));
erigow01 17:8ca4a5801430 178 if (n < 0)
erigow01 17:8ca4a5801430 179 {
erigow01 17:8ca4a5801430 180 //No Data
erigow01 17:8ca4a5801430 181 //printf("Socket error\n\r");
erigow01 17:8ca4a5801430 182 }
erigow01 17:8ca4a5801430 183 else
erigow01 17:8ca4a5801430 184 {
erigow01 17:8ca4a5801430 185 //UDP
erigow01 17:8ca4a5801430 186 //wait(0.25); //Waiting seems to increase reliability of comms...
erigow01 17:8ca4a5801430 187 printf("Received %d bytes\r\n", n);
erigow01 17:8ca4a5801430 188 nsdl_result = sn_nsdl_process_coap((uint8_t*)buffer, n, &received_packet_address);
erigow01 17:8ca4a5801430 189 printf("Processed COAP Packet: %d\r\n", nsdl_result);
erigow01 17:8ca4a5801430 190 n = 0;
erigow01 17:8ca4a5801430 191 }
erigow01 17:8ca4a5801430 192
erigow01 17:8ca4a5801430 193 //Check if need to send pressure mat update...
erigow01 18:eb1a194d60d9 194 switch_report();
erigow01 17:8ca4a5801430 195
erigow01 17:8ca4a5801430 196 //NSDL Tick
erigow01 17:8ca4a5801430 197 if(nsdlTickTimer.read() >= NSDL_TICK_PERIOD) {
erigow01 17:8ca4a5801430 198 sn_nsdl_exec(time);
erigow01 17:8ca4a5801430 199 nsdlTickTimer.reset();
erigow01 17:8ca4a5801430 200 }
erigow01 17:8ca4a5801430 201
erigow01 17:8ca4a5801430 202 //Registration Tick
erigow01 17:8ca4a5801430 203 if(registrationTimer.read() >= RD_UPDATE_PERIOD) {
erigow01 17:8ca4a5801430 204 printf("NSP attempt re-register...\r\n");
erigow01 17:8ca4a5801430 205 endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)endpoint_name, ep_type, lifetime_ptr);
erigow01 17:8ca4a5801430 206 if(sn_nsdl_register_endpoint(endpoint_ptr) != 0)
erigow01 17:8ca4a5801430 207 printf("NSP re-registering failed\r\n");
erigow01 17:8ca4a5801430 208 else
erigow01 17:8ca4a5801430 209 printf("NSP re-registering OK\r\n");
erigow01 17:8ca4a5801430 210 nsdl_clean_register_endpoint(&endpoint_ptr);
erigow01 17:8ca4a5801430 211 registrationTimer.reset();
erigow01 17:8ca4a5801430 212 }
erigow01 17:8ca4a5801430 213 }
erigow01 17:8ca4a5801430 214
erigow01 17:8ca4a5801430 215
erigow01 17:8ca4a5801430 216 }
erigow01 15:59f4cee0da79 217
erigow01 15:59f4cee0da79 218
Kojto 8:be68e827aa53 219 /**
Kojto 7:afaa17c11965 220 * \param none
Kojto 6:6eaae34586b8 221 * \return int
Kojto 6:6eaae34586b8 222 */
Kojto 6:6eaae34586b8 223 int main() {
erigow01 22:b361f7ae0508 224 printf("Initialising Ethernet...\r\n");
erigow01 22:b361f7ae0508 225 // Initialize Ethernet interface first
erigow01 22:b361f7ae0508 226 ethernet_init();
erigow01 16:3fb612af0dc5 227
erigow01 15:59f4cee0da79 228 // Bind the socket and configure NSP settings
erigow01 15:59f4cee0da79 229 nsp_connect();
erigow01 15:59f4cee0da79 230
erigow01 15:59f4cee0da79 231 // Initalize NanoService library
erigow01 15:59f4cee0da79 232 nsdl_init();
Kojto 6:6eaae34586b8 233
erigow01 15:59f4cee0da79 234 // Create resources & register with NSP
erigow01 16:3fb612af0dc5 235 create_resources();
erigow01 16:3fb612af0dc5 236 // Run the NSDL event loop (never returns)
erigow01 16:3fb612af0dc5 237 nsdl_event_loop();
Kojto 6:6eaae34586b8 238 }