Daniel Lee / Mbed OS mbed-os-example-cellular_BG96_os511

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main.cpp@46:81a8fcab4a6a, 2019-06-04 (annotated)

Committer:
Daniel_Lee
Date:
Tue Jun 04 07:20:23 2019 +0000
Revision:
46:81a8fcab4a6a
Parent:
45:dc095588e1b4 
BG96 operation check based Mbed OS 5.11, tested via SK Telecom in Korea

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:4611f6cf2413 1 /*
mbed_official 0:4611f6cf2413 2 * Copyright (c) 2017 ARM Limited. All rights reserved.
mbed_official 0:4611f6cf2413 3 * SPDX-License-Identifier: Apache-2.0
mbed_official 0:4611f6cf2413 4 * Licensed under the Apache License, Version 2.0 (the License); you may
mbed_official 0:4611f6cf2413 5 * not use this file except in compliance with the License.
mbed_official 0:4611f6cf2413 6 * You may obtain a copy of the License at
mbed_official 0:4611f6cf2413 7 *
mbed_official 0:4611f6cf2413 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:4611f6cf2413 9 *
mbed_official 0:4611f6cf2413 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 0:4611f6cf2413 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
mbed_official 0:4611f6cf2413 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 0:4611f6cf2413 13 * See the License for the specific language governing permissions and
mbed_official 0:4611f6cf2413 14 * limitations under the License.
mbed_official 0:4611f6cf2413 15 */
mbed_official 0:4611f6cf2413 16
mbed_official 0:4611f6cf2413 17 #include "mbed.h"
mbed_official 0:4611f6cf2413 18 #include "common_functions.h"
mbed_official 0:4611f6cf2413 19 #include "UDPSocket.h"
mbed_official 6:5678c0b6f74e 20 #include "CellularLog.h"
mbed_official 0:4611f6cf2413 21
mbed_official 0:4611f6cf2413 22 #define UDP 0
mbed_official 0:4611f6cf2413 23 #define TCP 1
mbed_official 0:4611f6cf2413 24
mbed_official 0:4611f6cf2413 25 // Number of retries /
mbed_official 0:4611f6cf2413 26 #define RETRY_COUNT 3
mbed_official 0:4611f6cf2413 27
Daniel_Lee 45:dc095588e1b4 28 /* Pin configuraiton */
Daniel_Lee 45:dc095588e1b4 29 // Cat.M1 of WIZnet
Daniel_Lee 45:dc095588e1b4 30 #define MBED_CONF_IOTSHIELD_CATM1_RESET D7
Daniel_Lee 45:dc095588e1b4 31 #define MBED_CONF_IOTSHIELD_CATM1_PWRKEY D9
Daniel_Lee 45:dc095588e1b4 32 // On-board sensors
Daniel_Lee 45:dc095588e1b4 33 #define MBED_CONF_IOTSHIELD_SENSOR_CDS A0
Daniel_Lee 45:dc095588e1b4 34 #define MBED_CONF_IOTSHIELD_SENSOR_TEMP A1
Daniel_Lee 45:dc095588e1b4 35
mbed_official 28:232da3ce8a88 36 NetworkInterface *iface;
mbed_official 0:4611f6cf2413 37
mbed_official 0:4611f6cf2413 38 // Echo server hostname
mbed_official 11:23ea0907186e 39 const char *host_name = MBED_CONF_APP_ECHO_SERVER_HOSTNAME;
mbed_official 0:4611f6cf2413 40
mbed_official 0:4611f6cf2413 41 // Echo server port (same for TCP and UDP)
mbed_official 11:23ea0907186e 42 const int port = MBED_CONF_APP_ECHO_SERVER_PORT;
mbed_official 0:4611f6cf2413 43
mbed_official 6:5678c0b6f74e 44 static rtos::Mutex trace_mutex;
mbed_official 6:5678c0b6f74e 45
mbed_official 6:5678c0b6f74e 46 #if MBED_CONF_MBED_TRACE_ENABLE
mbed_official 6:5678c0b6f74e 47 static void trace_wait()
mbed_official 6:5678c0b6f74e 48 {
mbed_official 6:5678c0b6f74e 49 trace_mutex.lock();
mbed_official 6:5678c0b6f74e 50 }
mbed_official 6:5678c0b6f74e 51
mbed_official 6:5678c0b6f74e 52 static void trace_release()
mbed_official 6:5678c0b6f74e 53 {
mbed_official 6:5678c0b6f74e 54 trace_mutex.unlock();
mbed_official 6:5678c0b6f74e 55 }
mbed_official 6:5678c0b6f74e 56
mbed_official 6:5678c0b6f74e 57 static char time_st[50];
mbed_official 6:5678c0b6f74e 58
mbed_official 6:5678c0b6f74e 59 static char* trace_time(size_t ss)
mbed_official 6:5678c0b6f74e 60 {
mbed_official 6:5678c0b6f74e 61 snprintf(time_st, 49, "[%08llums]", Kernel::get_ms_count());
mbed_official 6:5678c0b6f74e 62 return time_st;
mbed_official 6:5678c0b6f74e 63 }
mbed_official 6:5678c0b6f74e 64
mbed_official 6:5678c0b6f74e 65 static void trace_open()
mbed_official 6:5678c0b6f74e 66 {
mbed_official 6:5678c0b6f74e 67 mbed_trace_init();
mbed_official 6:5678c0b6f74e 68 mbed_trace_prefix_function_set( &trace_time );
mbed_official 6:5678c0b6f74e 69
mbed_official 6:5678c0b6f74e 70 mbed_trace_mutex_wait_function_set(trace_wait);
mbed_official 6:5678c0b6f74e 71 mbed_trace_mutex_release_function_set(trace_release);
mbed_official 11:23ea0907186e 72
mbed_official 11:23ea0907186e 73 mbed_cellular_trace::mutex_wait_function_set(trace_wait);
mbed_official 11:23ea0907186e 74 mbed_cellular_trace::mutex_release_function_set(trace_release);
mbed_official 6:5678c0b6f74e 75 }
mbed_official 6:5678c0b6f74e 76
mbed_official 6:5678c0b6f74e 77 static void trace_close()
mbed_official 6:5678c0b6f74e 78 {
mbed_official 11:23ea0907186e 79 mbed_cellular_trace::mutex_wait_function_set(NULL);
mbed_official 11:23ea0907186e 80 mbed_cellular_trace::mutex_release_function_set(NULL);
mbed_official 11:23ea0907186e 81
mbed_official 6:5678c0b6f74e 82 mbed_trace_free();
mbed_official 6:5678c0b6f74e 83 }
mbed_official 6:5678c0b6f74e 84 #endif // #if MBED_CONF_MBED_TRACE_ENABLE
mbed_official 6:5678c0b6f74e 85
mbed_official 2:0f644d6045cf 86 Thread dot_thread(osPriorityNormal, 512);
mbed_official 0:4611f6cf2413 87
mbed_official 6:5678c0b6f74e 88 void print_function(const char *format, ...)
mbed_official 0:4611f6cf2413 89 {
mbed_official 6:5678c0b6f74e 90 trace_mutex.lock();
mbed_official 6:5678c0b6f74e 91 va_list arglist;
mbed_official 6:5678c0b6f74e 92 va_start( arglist, format );
mbed_official 6:5678c0b6f74e 93 vprintf(format, arglist);
mbed_official 6:5678c0b6f74e 94 va_end( arglist );
mbed_official 6:5678c0b6f74e 95 trace_mutex.unlock();
mbed_official 0:4611f6cf2413 96 }
mbed_official 0:4611f6cf2413 97
mbed_official 0:4611f6cf2413 98 void dot_event()
mbed_official 0:4611f6cf2413 99 {
mbed_official 0:4611f6cf2413 100 while (true) {
mbed_official 26:348eec457e58 101 ThisThread::sleep_for(4000);
mbed_official 28:232da3ce8a88 102 if (iface && iface->get_connection_status() == NSAPI_STATUS_GLOBAL_UP) {
mbed_official 13:4bea5334b419 103 break;
mbed_official 13:4bea5334b419 104 } else {
mbed_official 6:5678c0b6f74e 105 trace_mutex.lock();
mbed_official 6:5678c0b6f74e 106 printf(".");
mbed_official 6:5678c0b6f74e 107 fflush(stdout);
mbed_official 6:5678c0b6f74e 108 trace_mutex.unlock();
mbed_official 0:4611f6cf2413 109 }
mbed_official 0:4611f6cf2413 110 }
mbed_official 0:4611f6cf2413 111 }
mbed_official 0:4611f6cf2413 112
mbed_official 0:4611f6cf2413 113 /**
mbed_official 0:4611f6cf2413 114 * Connects to the Cellular Network
mbed_official 0:4611f6cf2413 115 */
mbed_official 0:4611f6cf2413 116 nsapi_error_t do_connect()
mbed_official 0:4611f6cf2413 117 {
mbed_official 6:5678c0b6f74e 118 nsapi_error_t retcode = NSAPI_ERROR_OK;
mbed_official 0:4611f6cf2413 119 uint8_t retry_counter = 0;
mbed_official 0:4611f6cf2413 120
mbed_official 28:232da3ce8a88 121 while (iface->get_connection_status() != NSAPI_STATUS_GLOBAL_UP) {
mbed_official 11:23ea0907186e 122 retcode = iface->connect();
mbed_official 0:4611f6cf2413 123 if (retcode == NSAPI_ERROR_AUTH_FAILURE) {
mbed_official 0:4611f6cf2413 124 print_function("\n\nAuthentication Failure. Exiting application\n");
mbed_official 6:5678c0b6f74e 125 } else if (retcode == NSAPI_ERROR_OK) {
mbed_official 6:5678c0b6f74e 126 print_function("\n\nConnection Established.\n");
mbed_official 6:5678c0b6f74e 127 } else if (retry_counter > RETRY_COUNT) {
mbed_official 6:5678c0b6f74e 128 print_function("\n\nFatal connection failure: %d\n", retcode);
mbed_official 6:5678c0b6f74e 129 } else {
mbed_official 6:5678c0b6f74e 130 print_function("\n\nCouldn't connect: %d, will retry\n", retcode);
mbed_official 0:4611f6cf2413 131 retry_counter++;
mbed_official 0:4611f6cf2413 132 continue;
mbed_official 0:4611f6cf2413 133 }
mbed_official 0:4611f6cf2413 134 break;
mbed_official 0:4611f6cf2413 135 }
mbed_official 6:5678c0b6f74e 136 return retcode;
mbed_official 0:4611f6cf2413 137 }
mbed_official 0:4611f6cf2413 138
Daniel_Lee 45:dc095588e1b4 139 /*
Daniel_Lee 45:dc095588e1b4 140 * WIZnet's BG96 Modem init
Daniel_Lee 45:dc095588e1b4 141 */
Daniel_Lee 45:dc095588e1b4 142 void iotshield_modem_init(void)
Daniel_Lee 45:dc095588e1b4 143 {
Daniel_Lee 45:dc095588e1b4 144 DigitalOut _RESET_IOTSHIELD(MBED_CONF_IOTSHIELD_CATM1_RESET);
Daniel_Lee 45:dc095588e1b4 145 DigitalOut _PWRKEY_IOTSHIELD(MBED_CONF_IOTSHIELD_CATM1_PWRKEY);
Daniel_Lee 45:dc095588e1b4 146
Daniel_Lee 45:dc095588e1b4 147 _RESET_IOTSHIELD = 1;
Daniel_Lee 45:dc095588e1b4 148 _PWRKEY_IOTSHIELD = 1;
Daniel_Lee 45:dc095588e1b4 149 wait_ms(300);
Daniel_Lee 45:dc095588e1b4 150
Daniel_Lee 45:dc095588e1b4 151 _RESET_IOTSHIELD = 0;
Daniel_Lee 45:dc095588e1b4 152 _PWRKEY_IOTSHIELD = 0;
Daniel_Lee 45:dc095588e1b4 153 wait_ms(400);
Daniel_Lee 45:dc095588e1b4 154
Daniel_Lee 45:dc095588e1b4 155 _RESET_IOTSHIELD = 1;
Daniel_Lee 45:dc095588e1b4 156 wait_ms(1000);
Daniel_Lee 45:dc095588e1b4 157 }
Daniel_Lee 45:dc095588e1b4 158
mbed_official 0:4611f6cf2413 159 /**
mbed_official 0:4611f6cf2413 160 * Opens a UDP or a TCP socket with the given echo server and performs an echo
mbed_official 0:4611f6cf2413 161 * transaction retrieving current.
mbed_official 0:4611f6cf2413 162 */
mbed_official 0:4611f6cf2413 163 nsapi_error_t test_send_recv()
mbed_official 0:4611f6cf2413 164 {
mbed_official 0:4611f6cf2413 165 nsapi_size_or_error_t retcode;
mbed_official 0:4611f6cf2413 166 #if MBED_CONF_APP_SOCK_TYPE == TCP
mbed_official 0:4611f6cf2413 167 TCPSocket sock;
mbed_official 0:4611f6cf2413 168 #else
mbed_official 0:4611f6cf2413 169 UDPSocket sock;
mbed_official 0:4611f6cf2413 170 #endif
mbed_official 0:4611f6cf2413 171
mbed_official 11:23ea0907186e 172 retcode = sock.open(iface);
mbed_official 0:4611f6cf2413 173 if (retcode != NSAPI_ERROR_OK) {
mbed_official 21:e356e039f917 174 #if MBED_CONF_APP_SOCK_TYPE == TCP
mbed_official 21:e356e039f917 175 print_function("TCPSocket.open() fails, code: %d\n", retcode);
mbed_official 21:e356e039f917 176 #else
mbed_official 6:5678c0b6f74e 177 print_function("UDPSocket.open() fails, code: %d\n", retcode);
mbed_official 21:e356e039f917 178 #endif
mbed_official 0:4611f6cf2413 179 return -1;
mbed_official 0:4611f6cf2413 180 }
mbed_official 0:4611f6cf2413 181
mbed_official 0:4611f6cf2413 182 SocketAddress sock_addr;
mbed_official 11:23ea0907186e 183 retcode = iface->gethostbyname(host_name, &sock_addr);
mbed_official 0:4611f6cf2413 184 if (retcode != NSAPI_ERROR_OK) {
mbed_official 6:5678c0b6f74e 185 print_function("Couldn't resolve remote host: %s, code: %d\n", host_name, retcode);
mbed_official 0:4611f6cf2413 186 return -1;
mbed_official 0:4611f6cf2413 187 }
mbed_official 0:4611f6cf2413 188
mbed_official 0:4611f6cf2413 189 sock_addr.set_port(port);
mbed_official 0:4611f6cf2413 190
mbed_official 0:4611f6cf2413 191 sock.set_timeout(15000);
mbed_official 0:4611f6cf2413 192 int n = 0;
mbed_official 0:4611f6cf2413 193 const char *echo_string = "TEST";
mbed_official 0:4611f6cf2413 194 char recv_buf[4];
mbed_official 0:4611f6cf2413 195 #if MBED_CONF_APP_SOCK_TYPE == TCP
mbed_official 0:4611f6cf2413 196 retcode = sock.connect(sock_addr);
mbed_official 0:4611f6cf2413 197 if (retcode < 0) {
mbed_official 6:5678c0b6f74e 198 print_function("TCPSocket.connect() fails, code: %d\n", retcode);
mbed_official 0:4611f6cf2413 199 return -1;
mbed_official 0:4611f6cf2413 200 } else {
mbed_official 6:5678c0b6f74e 201 print_function("TCP: connected with %s server\n", host_name);
mbed_official 0:4611f6cf2413 202 }
mbed_official 0:4611f6cf2413 203 retcode = sock.send((void*) echo_string, sizeof(echo_string));
mbed_official 0:4611f6cf2413 204 if (retcode < 0) {
mbed_official 6:5678c0b6f74e 205 print_function("TCPSocket.send() fails, code: %d\n", retcode);
mbed_official 0:4611f6cf2413 206 return -1;
mbed_official 0:4611f6cf2413 207 } else {
mbed_official 6:5678c0b6f74e 208 print_function("TCP: Sent %d Bytes to %s\n", retcode, host_name);
mbed_official 0:4611f6cf2413 209 }
mbed_official 0:4611f6cf2413 210
mbed_official 0:4611f6cf2413 211 n = sock.recv((void*) recv_buf, sizeof(recv_buf));
mbed_official 0:4611f6cf2413 212 #else
mbed_official 0:4611f6cf2413 213
mbed_official 0:4611f6cf2413 214 retcode = sock.sendto(sock_addr, (void*) echo_string, sizeof(echo_string));
mbed_official 0:4611f6cf2413 215 if (retcode < 0) {
mbed_official 6:5678c0b6f74e 216 print_function("UDPSocket.sendto() fails, code: %d\n", retcode);
mbed_official 0:4611f6cf2413 217 return -1;
mbed_official 0:4611f6cf2413 218 } else {
mbed_official 6:5678c0b6f74e 219 print_function("UDP: Sent %d Bytes to %s\n", retcode, host_name);
mbed_official 0:4611f6cf2413 220 }
mbed_official 0:4611f6cf2413 221
mbed_official 0:4611f6cf2413 222 n = sock.recvfrom(&sock_addr, (void*) recv_buf, sizeof(recv_buf));
mbed_official 0:4611f6cf2413 223 #endif
mbed_official 0:4611f6cf2413 224
mbed_official 0:4611f6cf2413 225 sock.close();
mbed_official 0:4611f6cf2413 226
mbed_official 0:4611f6cf2413 227 if (n > 0) {
mbed_official 6:5678c0b6f74e 228 print_function("Received from echo server %d Bytes\n", n);
mbed_official 0:4611f6cf2413 229 return 0;
mbed_official 0:4611f6cf2413 230 }
mbed_official 0:4611f6cf2413 231
mbed_official 0:4611f6cf2413 232 return -1;
mbed_official 0:4611f6cf2413 233 }
mbed_official 0:4611f6cf2413 234
mbed_official 0:4611f6cf2413 235 int main()
mbed_official 0:4611f6cf2413 236 {
mbed_official 6:5678c0b6f74e 237 print_function("\n\nmbed-os-example-cellular\n");
mbed_official 34:6f85d44597ac 238 print_function("\n\nBuilt: %s, %s\n", __DATE__, __TIME__);
mbed_official 34:6f85d44597ac 239 #ifdef MBED_CONF_NSAPI_DEFAULT_CELLULAR_PLMN
mbed_official 34:6f85d44597ac 240 print_function("\n\n[MAIN], plmn: %s\n", MBED_CONF_NSAPI_DEFAULT_CELLULAR_PLMN);
mbed_official 34:6f85d44597ac 241 #endif
mbed_official 34:6f85d44597ac 242
Daniel_Lee 45:dc095588e1b4 243 // Cat.M1 module init: Hardware reset and power on
Daniel_Lee 46:81a8fcab4a6a 244 print_function("WIZnet's BG96 Modem power on\n");
Daniel_Lee 45:dc095588e1b4 245 iotshield_modem_init();
Daniel_Lee 45:dc095588e1b4 246
mbed_official 6:5678c0b6f74e 247 print_function("Establishing connection\n");
mbed_official 6:5678c0b6f74e 248 #if MBED_CONF_MBED_TRACE_ENABLE
mbed_official 6:5678c0b6f74e 249 trace_open();
mbed_official 6:5678c0b6f74e 250 #else
mbed_official 6:5678c0b6f74e 251 dot_thread.start(dot_event);
mbed_official 6:5678c0b6f74e 252 #endif // #if MBED_CONF_MBED_TRACE_ENABLE
mbed_official 27:97054be1a741 253
mbed_official 27:97054be1a741 254 // sim pin, apn, credentials and possible plmn are taken atuomtically from json when using get_default_instance()
mbed_official 28:232da3ce8a88 255 iface = NetworkInterface::get_default_instance();
mbed_official 11:23ea0907186e 256 MBED_ASSERT(iface);
mbed_official 11:23ea0907186e 257
mbed_official 6:5678c0b6f74e 258 nsapi_error_t retcode = NSAPI_ERROR_NO_CONNECTION;
mbed_official 0:4611f6cf2413 259
mbed_official 0:4611f6cf2413 260 /* Attempt to connect to a cellular network */
mbed_official 0:4611f6cf2413 261 if (do_connect() == NSAPI_ERROR_OK) {
mbed_official 6:5678c0b6f74e 262 retcode = test_send_recv();
mbed_official 0:4611f6cf2413 263 }
mbed_official 0:4611f6cf2413 264
mbed_official 26:348eec457e58 265 if (iface->disconnect() != NSAPI_ERROR_OK) {
mbed_official 26:348eec457e58 266 print_function("\n\n disconnect failed.\n\n");
mbed_official 26:348eec457e58 267 }
mbed_official 26:348eec457e58 268
mbed_official 6:5678c0b6f74e 269 if (retcode == NSAPI_ERROR_OK) {
mbed_official 6:5678c0b6f74e 270 print_function("\n\nSuccess. Exiting \n\n");
mbed_official 6:5678c0b6f74e 271 } else {
mbed_official 6:5678c0b6f74e 272 print_function("\n\nFailure. Exiting \n\n");
mbed_official 6:5678c0b6f74e 273 }
mbed_official 26:348eec457e58 274
mbed_official 6:5678c0b6f74e 275 #if MBED_CONF_MBED_TRACE_ENABLE
mbed_official 6:5678c0b6f74e 276 trace_close();
mbed_official 26:348eec457e58 277 #else
mbed_official 26:348eec457e58 278 dot_thread.terminate();
mbed_official 6:5678c0b6f74e 279 #endif // #if MBED_CONF_MBED_TRACE_ENABLE
mbed_official 6:5678c0b6f74e 280
mbed_official 6:5678c0b6f74e 281 return 0;
mbed_official 0:4611f6cf2413 282 }
mbed_official 0:4611f6cf2413 283 // EOF