NXP / Mbed OS mbed-cloud-connect-example-ethernet

Simple Mbed Cloud client application using features of K64 & K66 including Ethernet and SD Card

Fork of mbed-cloud-example_K64_K66 by Mac Lobdell

DEPRECATED

This example application is not maintained and not recommended. It uses an old version of Mbed OS, Pelion DM, and Arm toolchain. It doesn't work with Mbed Studio.

Please use: https://os.mbed.com/teams/mbed-os-examples/code/mbed-os-example-pelion/

main.cpp@4:a107dae867fb, 2018-02-14 (annotated)

Committer:
MarceloSalazar
Date:
Wed Feb 14 15:09:00 2018 +0000
Revision:
4:a107dae867fb
Parent:
2:6ed27f413b30
Child:
5:c18fab181ede
Remove useless README.md

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MarceloSalazar 0:e13a8a944e25 1 // ----------------------------------------------------------------------------
MarceloSalazar 0:e13a8a944e25 2 // Copyright 2016-2017 ARM Ltd.
MarceloSalazar 0:e13a8a944e25 3 //
MarceloSalazar 0:e13a8a944e25 4 // SPDX-License-Identifier: Apache-2.0
MarceloSalazar 0:e13a8a944e25 5 //
MarceloSalazar 0:e13a8a944e25 6 // Licensed under the Apache License, Version 2.0 (the "License");
MarceloSalazar 0:e13a8a944e25 7 // you may not use this file except in compliance with the License.
MarceloSalazar 0:e13a8a944e25 8 // You may obtain a copy of the License at
MarceloSalazar 0:e13a8a944e25 9 //
MarceloSalazar 0:e13a8a944e25 10 // http://www.apache.org/licenses/LICENSE-2.0
MarceloSalazar 0:e13a8a944e25 11 //
MarceloSalazar 0:e13a8a944e25 12 // Unless required by applicable law or agreed to in writing, software
MarceloSalazar 0:e13a8a944e25 13 // distributed under the License is distributed on an "AS IS" BASIS,
MarceloSalazar 0:e13a8a944e25 14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MarceloSalazar 0:e13a8a944e25 15 // See the License for the specific language governing permissions and
MarceloSalazar 0:e13a8a944e25 16 // limitations under the License.
MarceloSalazar 0:e13a8a944e25 17 // ----------------------------------------------------------------------------
MarceloSalazar 0:e13a8a944e25 18
MarceloSalazar 1:1ccf36276cd3 19 #include "mbed.h"
MarceloSalazar 1:1ccf36276cd3 20 #include "mbed-trace/mbed_trace.h"
MarceloSalazar 1:1ccf36276cd3 21 #include "mbed-trace-helper.h"
MarceloSalazar 0:e13a8a944e25 22 #include "simple-mbed-cloud-client.h"
MarceloSalazar 1:1ccf36276cd3 23 #include "key-config-manager/kcm_status.h"
MarceloSalazar 1:1ccf36276cd3 24 #include "key-config-manager/key_config_manager.h"
MarceloSalazar 1:1ccf36276cd3 25 #include "SDBlockDevice.h"
MarceloSalazar 1:1ccf36276cd3 26 #include "FATFileSystem.h"
MarceloSalazar 1:1ccf36276cd3 27 #include "EthernetInterface.h"
MarceloSalazar 1:1ccf36276cd3 28
MarceloSalazar 4:a107dae867fb 29 // Placeholder to hardware that trigger events (timer, button, etc)
MarceloSalazar 4:a107dae867fb 30 Ticker timer;
MarceloSalazar 0:e13a8a944e25 31
MarceloSalazar 0:e13a8a944e25 32 // Pointers to the resources that will be created in main_application().
MarceloSalazar 1:1ccf36276cd3 33 static MbedCloudClientResource* pattern_ptr;
MarceloSalazar 0:e13a8a944e25 34
MarceloSalazar 0:e13a8a944e25 35 // Pointer to mbedClient, used for calling close function.
MarceloSalazar 0:e13a8a944e25 36 static SimpleMbedCloudClient *client;
MarceloSalazar 0:e13a8a944e25 37
MarceloSalazar 1:1ccf36276cd3 38 static bool button_pressed = false;
MarceloSalazar 1:1ccf36276cd3 39
MarceloSalazar 1:1ccf36276cd3 40 void button_press() {
MarceloSalazar 1:1ccf36276cd3 41 button_pressed = true;
MarceloSalazar 1:1ccf36276cd3 42 }
MarceloSalazar 1:1ccf36276cd3 43
MarceloSalazar 1:1ccf36276cd3 44 void pattern_updated(const char *) {
MarceloSalazar 1:1ccf36276cd3 45 printf("PUT received, new value: %s\n", pattern_ptr->get_value());
MarceloSalazar 2:6ed27f413b30 46 // Placeholder for PUT action
MarceloSalazar 0:e13a8a944e25 47 }
MarceloSalazar 0:e13a8a944e25 48
MarceloSalazar 0:e13a8a944e25 49 void blink_callback(void *) {
MarceloSalazar 1:1ccf36276cd3 50 const char *pattern = pattern_ptr->get_value();
MarceloSalazar 2:6ed27f413b30 51 printf("POST received. LED pattern = %s\n", pattern);
MarceloSalazar 2:6ed27f413b30 52 // Placeholder for POST action
MarceloSalazar 0:e13a8a944e25 53 // The pattern is something like 500:200:500, so parse that.
MarceloSalazar 0:e13a8a944e25 54 }
MarceloSalazar 0:e13a8a944e25 55
MarceloSalazar 2:6ed27f413b30 56 void button_callback(const M2MBase& object, const NoticationDeliveryStatus status)
MarceloSalazar 0:e13a8a944e25 57 {
MarceloSalazar 2:6ed27f413b30 58 printf("Button notification. Callback: (%s)\n", object.uri_path());
MarceloSalazar 2:6ed27f413b30 59 // Placeholder for GET
MarceloSalazar 0:e13a8a944e25 60 }
MarceloSalazar 0:e13a8a944e25 61
MarceloSalazar 0:e13a8a944e25 62
MarceloSalazar 0:e13a8a944e25 63 int main(void)
MarceloSalazar 0:e13a8a944e25 64 {
MarceloSalazar 2:6ed27f413b30 65 // Requires DAPLink 245+ (https://github.com/ARMmbed/DAPLink/pull/364)
MarceloSalazar 2:6ed27f413b30 66 // Older versions: workaround to prevent possible deletion of credentials:
MarceloSalazar 0:e13a8a944e25 67 wait(2);
MarceloSalazar 0:e13a8a944e25 68
MarceloSalazar 1:1ccf36276cd3 69 // Misc OS setup
MarceloSalazar 1:1ccf36276cd3 70 srand(time(NULL));
MarceloSalazar 1:1ccf36276cd3 71
MarceloSalazar 2:6ed27f413b30 72 // Placeholder for network
MarceloSalazar 1:1ccf36276cd3 73 EthernetInterface net;
MarceloSalazar 2:6ed27f413b30 74
MarceloSalazar 2:6ed27f413b30 75 // Placeholder for storage
MarceloSalazar 1:1ccf36276cd3 76 SDBlockDevice sd(PTE3, PTE1, PTE2, PTE4);
MarceloSalazar 1:1ccf36276cd3 77 FATFileSystem fs("sd");
MarceloSalazar 1:1ccf36276cd3 78
MarceloSalazar 1:1ccf36276cd3 79 printf("Start Simple Mbed Cloud Client\n");
MarceloSalazar 1:1ccf36276cd3 80
MarceloSalazar 1:1ccf36276cd3 81 // Initialize SD card
MarceloSalazar 1:1ccf36276cd3 82 int status = sd.init();
MarceloSalazar 1:1ccf36276cd3 83 if (status != BD_ERROR_OK) {
MarceloSalazar 1:1ccf36276cd3 84 printf("Failed to init SD card\r\n");
MarceloSalazar 1:1ccf36276cd3 85 return -1;
MarceloSalazar 1:1ccf36276cd3 86 }
MarceloSalazar 0:e13a8a944e25 87
MarceloSalazar 1:1ccf36276cd3 88 // Mount the file system (reformatting on failure)
MarceloSalazar 1:1ccf36276cd3 89 status = fs.mount(&sd);
MarceloSalazar 1:1ccf36276cd3 90 if (status) {
MarceloSalazar 1:1ccf36276cd3 91 printf("Failed to mount FAT file system, reformatting...\r\n");
MarceloSalazar 1:1ccf36276cd3 92 status = fs.reformat(&sd);
MarceloSalazar 1:1ccf36276cd3 93 if (status) {
MarceloSalazar 1:1ccf36276cd3 94 printf("Failed to reformat FAT file system\r\n");
MarceloSalazar 1:1ccf36276cd3 95 return -1;
MarceloSalazar 1:1ccf36276cd3 96 } else {
MarceloSalazar 1:1ccf36276cd3 97 printf("Reformat and mount complete\r\n");
MarceloSalazar 1:1ccf36276cd3 98 }
MarceloSalazar 1:1ccf36276cd3 99 }
MarceloSalazar 1:1ccf36276cd3 100
MarceloSalazar 1:1ccf36276cd3 101 printf("Connecting to the network using Ethernet...\n");
MarceloSalazar 1:1ccf36276cd3 102
MarceloSalazar 1:1ccf36276cd3 103 status = net.connect();
MarceloSalazar 1:1ccf36276cd3 104 if (status) {
MarceloSalazar 1:1ccf36276cd3 105 printf("Connection to Network Failed %d!\n", status);
MarceloSalazar 1:1ccf36276cd3 106 return -1;
MarceloSalazar 1:1ccf36276cd3 107 } else {
MarceloSalazar 1:1ccf36276cd3 108 const char *ip_addr = net.get_ip_address();
MarceloSalazar 1:1ccf36276cd3 109 printf("Connected successfully\n");
MarceloSalazar 1:1ccf36276cd3 110 printf("IP address %s\n", ip_addr);
MarceloSalazar 1:1ccf36276cd3 111 }
MarceloSalazar 1:1ccf36276cd3 112
MarceloSalazar 4:a107dae867fb 113 // Placeholder for callback to update local resource when GET comes.
MarceloSalazar 4:a107dae867fb 114 timer.attach(&button_press, 5.0);
MarceloSalazar 2:6ed27f413b30 115
MarceloSalazar 1:1ccf36276cd3 116 SimpleMbedCloudClient mbedClient(&net);
MarceloSalazar 0:e13a8a944e25 117 // Save pointer to mbedClient so that other functions can access it.
MarceloSalazar 0:e13a8a944e25 118 client = &mbedClient;
MarceloSalazar 0:e13a8a944e25 119
MarceloSalazar 1:1ccf36276cd3 120 status = mbedClient.init();
MarceloSalazar 1:1ccf36276cd3 121 if (status) {
MarceloSalazar 1:1ccf36276cd3 122 return -1;
MarceloSalazar 1:1ccf36276cd3 123 }
MarceloSalazar 1:1ccf36276cd3 124
MarceloSalazar 0:e13a8a944e25 125 printf("Client initialized\r\n");
MarceloSalazar 0:e13a8a944e25 126
MarceloSalazar 1:1ccf36276cd3 127 // Mbed Cloud Client resource setup
MarceloSalazar 1:1ccf36276cd3 128 MbedCloudClientResource *button = mbedClient.create_resource("3200/0/5501", "button_resource");
MarceloSalazar 1:1ccf36276cd3 129 button->set_value("0");
MarceloSalazar 1:1ccf36276cd3 130 button->methods(M2MMethod::GET);
MarceloSalazar 1:1ccf36276cd3 131 button->observable(true);
MarceloSalazar 2:6ed27f413b30 132 button->attach_notification(M2MMethod::GET, (void*)button_callback);
MarceloSalazar 0:e13a8a944e25 133
MarceloSalazar 1:1ccf36276cd3 134 MbedCloudClientResource *pattern = mbedClient.create_resource("3201/0/5853", "pattern_resource");
MarceloSalazar 1:1ccf36276cd3 135 pattern->set_value("500:500:500:500");
MarceloSalazar 1:1ccf36276cd3 136 pattern->methods(M2MMethod::GET | M2MMethod::PUT);
MarceloSalazar 1:1ccf36276cd3 137 pattern->attach(M2MMethod::PUT, (void*)pattern_updated);
MarceloSalazar 1:1ccf36276cd3 138 pattern_ptr = pattern;
MarceloSalazar 0:e13a8a944e25 139
MarceloSalazar 1:1ccf36276cd3 140 MbedCloudClientResource *blink = mbedClient.create_resource("3201/0/5850", "blink_resource");
MarceloSalazar 1:1ccf36276cd3 141 blink->methods(M2MMethod::POST);
MarceloSalazar 1:1ccf36276cd3 142 blink->attach(M2MMethod::POST, (void*)blink_callback);
MarceloSalazar 0:e13a8a944e25 143
MarceloSalazar 0:e13a8a944e25 144 mbedClient.register_and_connect();
MarceloSalazar 0:e13a8a944e25 145
MarceloSalazar 0:e13a8a944e25 146 // Check if client is registering or registered, if true sleep and repeat.
MarceloSalazar 0:e13a8a944e25 147 while (mbedClient.is_register_called()) {
MarceloSalazar 0:e13a8a944e25 148 static int button_count = 0;
MarceloSalazar 1:1ccf36276cd3 149 wait_ms(100);
MarceloSalazar 1:1ccf36276cd3 150
MarceloSalazar 1:1ccf36276cd3 151 if (button_pressed) {
MarceloSalazar 1:1ccf36276cd3 152 button_pressed = false;
MarceloSalazar 4:a107dae867fb 153 printf("Simulated button clicked %d times\r\n", ++button_count);
MarceloSalazar 1:1ccf36276cd3 154 button->set_value(button_count);
MarceloSalazar 0:e13a8a944e25 155 }
MarceloSalazar 0:e13a8a944e25 156 }
MarceloSalazar 0:e13a8a944e25 157
MarceloSalazar 0:e13a8a944e25 158 // Client unregistered, exit program.
MarceloSalazar 0:e13a8a944e25 159 return 0;
MarceloSalazar 0:e13a8a944e25 160 }