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@6:254a7e7fbef1, 2018-02-15 (annotated)

Committer:
bridadan
Date:
Thu Feb 15 10:14:35 2018 -0600
Revision:
6:254a7e7fbef1
Parent:
5:c18fab181ede
Child:
8:ace9e5de6491
Postponing timer until after registration complete

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
bridadan 5:c18fab181ede 32 // Placeholder for storage
bridadan 5:c18fab181ede 33 SDBlockDevice sd(PTE3, PTE1, PTE2, PTE4);
bridadan 5:c18fab181ede 34 FATFileSystem fs("sd");
bridadan 5:c18fab181ede 35
MarceloSalazar 0:e13a8a944e25 36 // Pointers to the resources that will be created in main_application().
MarceloSalazar 1:1ccf36276cd3 37 static MbedCloudClientResource* pattern_ptr;
MarceloSalazar 0:e13a8a944e25 38
MarceloSalazar 0:e13a8a944e25 39 // Pointer to mbedClient, used for calling close function.
MarceloSalazar 0:e13a8a944e25 40 static SimpleMbedCloudClient *client;
MarceloSalazar 0:e13a8a944e25 41
MarceloSalazar 1:1ccf36276cd3 42 static bool button_pressed = false;
MarceloSalazar 1:1ccf36276cd3 43
MarceloSalazar 1:1ccf36276cd3 44 void button_press() {
MarceloSalazar 1:1ccf36276cd3 45 button_pressed = true;
MarceloSalazar 1:1ccf36276cd3 46 }
MarceloSalazar 1:1ccf36276cd3 47
MarceloSalazar 1:1ccf36276cd3 48 void pattern_updated(const char *) {
bridadan 5:c18fab181ede 49 printf("PUT received, new value: %s\n", pattern_ptr->get_value().c_str());
MarceloSalazar 2:6ed27f413b30 50 // Placeholder for PUT action
MarceloSalazar 0:e13a8a944e25 51 }
MarceloSalazar 0:e13a8a944e25 52
MarceloSalazar 0:e13a8a944e25 53 void blink_callback(void *) {
bridadan 5:c18fab181ede 54 String pattern_str = pattern_ptr->get_value();
bridadan 5:c18fab181ede 55 const char *pattern = pattern_str.c_str();
MarceloSalazar 2:6ed27f413b30 56 printf("POST received. LED pattern = %s\n", pattern);
MarceloSalazar 2:6ed27f413b30 57 // Placeholder for POST action
MarceloSalazar 0:e13a8a944e25 58 // The pattern is something like 500:200:500, so parse that.
MarceloSalazar 0:e13a8a944e25 59 }
MarceloSalazar 0:e13a8a944e25 60
MarceloSalazar 2:6ed27f413b30 61 void button_callback(const M2MBase& object, const NoticationDeliveryStatus status)
MarceloSalazar 0:e13a8a944e25 62 {
MarceloSalazar 2:6ed27f413b30 63 printf("Button notification. Callback: (%s)\n", object.uri_path());
MarceloSalazar 2:6ed27f413b30 64 // Placeholder for GET
MarceloSalazar 0:e13a8a944e25 65 }
MarceloSalazar 0:e13a8a944e25 66
MarceloSalazar 0:e13a8a944e25 67
MarceloSalazar 0:e13a8a944e25 68 int main(void)
MarceloSalazar 0:e13a8a944e25 69 {
MarceloSalazar 2:6ed27f413b30 70 // Requires DAPLink 245+ (https://github.com/ARMmbed/DAPLink/pull/364)
MarceloSalazar 2:6ed27f413b30 71 // Older versions: workaround to prevent possible deletion of credentials:
MarceloSalazar 0:e13a8a944e25 72 wait(2);
MarceloSalazar 0:e13a8a944e25 73
MarceloSalazar 1:1ccf36276cd3 74 // Misc OS setup
MarceloSalazar 1:1ccf36276cd3 75 srand(time(NULL));
MarceloSalazar 1:1ccf36276cd3 76
MarceloSalazar 2:6ed27f413b30 77 // Placeholder for network
MarceloSalazar 1:1ccf36276cd3 78 EthernetInterface net;
MarceloSalazar 2:6ed27f413b30 79
MarceloSalazar 1:1ccf36276cd3 80 printf("Start Simple Mbed Cloud Client\n");
MarceloSalazar 1:1ccf36276cd3 81
MarceloSalazar 1:1ccf36276cd3 82 // Initialize SD card
MarceloSalazar 1:1ccf36276cd3 83 int status = sd.init();
MarceloSalazar 1:1ccf36276cd3 84 if (status != BD_ERROR_OK) {
MarceloSalazar 1:1ccf36276cd3 85 printf("Failed to init SD card\r\n");
MarceloSalazar 1:1ccf36276cd3 86 return -1;
MarceloSalazar 1:1ccf36276cd3 87 }
MarceloSalazar 0:e13a8a944e25 88
MarceloSalazar 1:1ccf36276cd3 89 // Mount the file system (reformatting on failure)
MarceloSalazar 1:1ccf36276cd3 90 status = fs.mount(&sd);
MarceloSalazar 1:1ccf36276cd3 91 if (status) {
MarceloSalazar 1:1ccf36276cd3 92 printf("Failed to mount FAT file system, reformatting...\r\n");
MarceloSalazar 1:1ccf36276cd3 93 status = fs.reformat(&sd);
MarceloSalazar 1:1ccf36276cd3 94 if (status) {
MarceloSalazar 1:1ccf36276cd3 95 printf("Failed to reformat FAT file system\r\n");
MarceloSalazar 1:1ccf36276cd3 96 return -1;
MarceloSalazar 1:1ccf36276cd3 97 } else {
MarceloSalazar 1:1ccf36276cd3 98 printf("Reformat and mount complete\r\n");
MarceloSalazar 1:1ccf36276cd3 99 }
MarceloSalazar 1:1ccf36276cd3 100 }
MarceloSalazar 1:1ccf36276cd3 101
MarceloSalazar 1:1ccf36276cd3 102 printf("Connecting to the network using Ethernet...\n");
MarceloSalazar 1:1ccf36276cd3 103
MarceloSalazar 1:1ccf36276cd3 104 status = net.connect();
MarceloSalazar 1:1ccf36276cd3 105 if (status) {
MarceloSalazar 1:1ccf36276cd3 106 printf("Connection to Network Failed %d!\n", status);
MarceloSalazar 1:1ccf36276cd3 107 return -1;
MarceloSalazar 1:1ccf36276cd3 108 } else {
MarceloSalazar 1:1ccf36276cd3 109 const char *ip_addr = net.get_ip_address();
MarceloSalazar 1:1ccf36276cd3 110 printf("Connected successfully\n");
MarceloSalazar 1:1ccf36276cd3 111 printf("IP address %s\n", ip_addr);
MarceloSalazar 1:1ccf36276cd3 112 }
MarceloSalazar 1:1ccf36276cd3 113
MarceloSalazar 1:1ccf36276cd3 114 SimpleMbedCloudClient mbedClient(&net);
MarceloSalazar 0:e13a8a944e25 115 // Save pointer to mbedClient so that other functions can access it.
MarceloSalazar 0:e13a8a944e25 116 client = &mbedClient;
MarceloSalazar 0:e13a8a944e25 117
MarceloSalazar 1:1ccf36276cd3 118 status = mbedClient.init();
MarceloSalazar 1:1ccf36276cd3 119 if (status) {
MarceloSalazar 1:1ccf36276cd3 120 return -1;
MarceloSalazar 1:1ccf36276cd3 121 }
MarceloSalazar 1:1ccf36276cd3 122
MarceloSalazar 0:e13a8a944e25 123 printf("Client initialized\r\n");
MarceloSalazar 0:e13a8a944e25 124
MarceloSalazar 1:1ccf36276cd3 125 // Mbed Cloud Client resource setup
MarceloSalazar 1:1ccf36276cd3 126 MbedCloudClientResource *button = mbedClient.create_resource("3200/0/5501", "button_resource");
MarceloSalazar 1:1ccf36276cd3 127 button->set_value("0");
MarceloSalazar 1:1ccf36276cd3 128 button->methods(M2MMethod::GET);
MarceloSalazar 1:1ccf36276cd3 129 button->observable(true);
bridadan 5:c18fab181ede 130 button->attach_notification_callback(button_callback);
MarceloSalazar 0:e13a8a944e25 131
MarceloSalazar 1:1ccf36276cd3 132 MbedCloudClientResource *pattern = mbedClient.create_resource("3201/0/5853", "pattern_resource");
MarceloSalazar 1:1ccf36276cd3 133 pattern->set_value("500:500:500:500");
MarceloSalazar 1:1ccf36276cd3 134 pattern->methods(M2MMethod::GET | M2MMethod::PUT);
bridadan 5:c18fab181ede 135 pattern->attach_put_callback(pattern_updated);
MarceloSalazar 1:1ccf36276cd3 136 pattern_ptr = pattern;
MarceloSalazar 0:e13a8a944e25 137
MarceloSalazar 1:1ccf36276cd3 138 MbedCloudClientResource *blink = mbedClient.create_resource("3201/0/5850", "blink_resource");
MarceloSalazar 1:1ccf36276cd3 139 blink->methods(M2MMethod::POST);
bridadan 5:c18fab181ede 140 blink->attach_post_callback(blink_callback);
MarceloSalazar 0:e13a8a944e25 141
MarceloSalazar 0:e13a8a944e25 142 mbedClient.register_and_connect();
MarceloSalazar 0:e13a8a944e25 143
bridadan 6:254a7e7fbef1 144 // Wait for client to finish registering
bridadan 6:254a7e7fbef1 145 while (!mbedClient.is_client_registered()) {
bridadan 6:254a7e7fbef1 146 wait_ms(100);
bridadan 6:254a7e7fbef1 147 }
bridadan 6:254a7e7fbef1 148
bridadan 6:254a7e7fbef1 149 // Placeholder for callback to update local resource when GET comes.
bridadan 6:254a7e7fbef1 150 timer.attach(&button_press, 5.0);
bridadan 6:254a7e7fbef1 151
MarceloSalazar 0:e13a8a944e25 152 // Check if client is registering or registered, if true sleep and repeat.
MarceloSalazar 0:e13a8a944e25 153 while (mbedClient.is_register_called()) {
MarceloSalazar 0:e13a8a944e25 154 static int button_count = 0;
MarceloSalazar 1:1ccf36276cd3 155 wait_ms(100);
MarceloSalazar 1:1ccf36276cd3 156
MarceloSalazar 1:1ccf36276cd3 157 if (button_pressed) {
MarceloSalazar 1:1ccf36276cd3 158 button_pressed = false;
MarceloSalazar 4:a107dae867fb 159 printf("Simulated button clicked %d times\r\n", ++button_count);
MarceloSalazar 1:1ccf36276cd3 160 button->set_value(button_count);
MarceloSalazar 0:e13a8a944e25 161 }
MarceloSalazar 0:e13a8a944e25 162 }
MarceloSalazar 0:e13a8a944e25 163
MarceloSalazar 0:e13a8a944e25 164 // Client unregistered, exit program.
MarceloSalazar 0:e13a8a944e25 165 return 0;
MarceloSalazar 0:e13a8a944e25 166 }