Nuvoton / Mbed OS NuMaker-mbed-cloud-example-v1.2

NuMaker mbed cloud v1.2 example

This example has been used on the following platforms

Follow these instructions to get credentials https://cloud.mbed.com/docs/v1.2/quick-start/connecting-your-device-to-mbed-cloud.html

https://os.mbed.com/media/cache/platforms/NuMaker-PFM-NUC472Small.png.170x170_q85.png

https://os.mbed.com/media/cache/platforms/NuMaker-PFM-M487.png.170x170_q85.png

main.cpp@5:c18fab181ede, 2018-02-14 (annotated)

Committer:
bridadan
Date:
Wed Feb 14 17:26:42 2018 -0600
Revision:
5:c18fab181ede
Parent:
4:a107dae867fb
Child:
6:254a7e7fbef1
Enabling callbacks

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 4:a107dae867fb 114 // Placeholder for callback to update local resource when GET comes.
MarceloSalazar 4:a107dae867fb 115 timer.attach(&button_press, 5.0);
MarceloSalazar 2:6ed27f413b30 116
MarceloSalazar 1:1ccf36276cd3 117 SimpleMbedCloudClient mbedClient(&net);
MarceloSalazar 0:e13a8a944e25 118 // Save pointer to mbedClient so that other functions can access it.
MarceloSalazar 0:e13a8a944e25 119 client = &mbedClient;
MarceloSalazar 0:e13a8a944e25 120
MarceloSalazar 1:1ccf36276cd3 121 status = mbedClient.init();
MarceloSalazar 1:1ccf36276cd3 122 if (status) {
MarceloSalazar 1:1ccf36276cd3 123 return -1;
MarceloSalazar 1:1ccf36276cd3 124 }
MarceloSalazar 1:1ccf36276cd3 125
MarceloSalazar 0:e13a8a944e25 126 printf("Client initialized\r\n");
MarceloSalazar 0:e13a8a944e25 127
MarceloSalazar 1:1ccf36276cd3 128 // Mbed Cloud Client resource setup
MarceloSalazar 1:1ccf36276cd3 129 MbedCloudClientResource *button = mbedClient.create_resource("3200/0/5501", "button_resource");
MarceloSalazar 1:1ccf36276cd3 130 button->set_value("0");
MarceloSalazar 1:1ccf36276cd3 131 button->methods(M2MMethod::GET);
MarceloSalazar 1:1ccf36276cd3 132 button->observable(true);
bridadan 5:c18fab181ede 133 button->attach_notification_callback(button_callback);
MarceloSalazar 0:e13a8a944e25 134
MarceloSalazar 1:1ccf36276cd3 135 MbedCloudClientResource *pattern = mbedClient.create_resource("3201/0/5853", "pattern_resource");
MarceloSalazar 1:1ccf36276cd3 136 pattern->set_value("500:500:500:500");
MarceloSalazar 1:1ccf36276cd3 137 pattern->methods(M2MMethod::GET | M2MMethod::PUT);
bridadan 5:c18fab181ede 138 pattern->attach_put_callback(pattern_updated);
MarceloSalazar 1:1ccf36276cd3 139 pattern_ptr = pattern;
MarceloSalazar 0:e13a8a944e25 140
MarceloSalazar 1:1ccf36276cd3 141 MbedCloudClientResource *blink = mbedClient.create_resource("3201/0/5850", "blink_resource");
MarceloSalazar 1:1ccf36276cd3 142 blink->methods(M2MMethod::POST);
bridadan 5:c18fab181ede 143 blink->attach_post_callback(blink_callback);
MarceloSalazar 0:e13a8a944e25 144
MarceloSalazar 0:e13a8a944e25 145 mbedClient.register_and_connect();
MarceloSalazar 0:e13a8a944e25 146
MarceloSalazar 0:e13a8a944e25 147 // Check if client is registering or registered, if true sleep and repeat.
MarceloSalazar 0:e13a8a944e25 148 while (mbedClient.is_register_called()) {
MarceloSalazar 0:e13a8a944e25 149 static int button_count = 0;
MarceloSalazar 1:1ccf36276cd3 150 wait_ms(100);
MarceloSalazar 1:1ccf36276cd3 151
MarceloSalazar 1:1ccf36276cd3 152 if (button_pressed) {
MarceloSalazar 1:1ccf36276cd3 153 button_pressed = false;
MarceloSalazar 4:a107dae867fb 154 printf("Simulated button clicked %d times\r\n", ++button_count);
MarceloSalazar 1:1ccf36276cd3 155 button->set_value(button_count);
MarceloSalazar 0:e13a8a944e25 156 }
MarceloSalazar 0:e13a8a944e25 157 }
MarceloSalazar 0:e13a8a944e25 158
MarceloSalazar 0:e13a8a944e25 159 // Client unregistered, exit program.
MarceloSalazar 0:e13a8a944e25 160 return 0;
MarceloSalazar 0:e13a8a944e25 161 }