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@8:ace9e5de6491, 2018-02-19 (annotated)

Committer:
maclobdell
Date:
Mon Feb 19 20:37:36 2018 +0000
Revision:
8:ace9e5de6491
Parent:
6:254a7e7fbef1
Child:
11:ae1f6fe932dc
customized template application to use button and led on K64 and K66.

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
maclobdell 8:ace9e5de6491 29 /* The following app uses Mbed Cloud with SD Card storage, button, & led */
maclobdell 8:ace9e5de6491 30
MarceloSalazar 4:a107dae867fb 31 // Placeholder to hardware that trigger events (timer, button, etc)
maclobdell 8:ace9e5de6491 32 //Ticker timer;
maclobdell 8:ace9e5de6491 33 /* K64 & K66 */
maclobdell 8:ace9e5de6491 34 InterruptIn sw2(SW2);
maclobdell 8:ace9e5de6491 35 DigitalOut led2(LED2);
maclobdell 8:ace9e5de6491 36 /* */
MarceloSalazar 0:e13a8a944e25 37
bridadan 5:c18fab181ede 38 // Placeholder for storage
maclobdell 8:ace9e5de6491 39 /* K64 & K66 */
bridadan 5:c18fab181ede 40 SDBlockDevice sd(PTE3, PTE1, PTE2, PTE4);
bridadan 5:c18fab181ede 41 FATFileSystem fs("sd");
maclobdell 8:ace9e5de6491 42 /* */
maclobdell 8:ace9e5de6491 43
MarceloSalazar 0:e13a8a944e25 44 // Pointers to the resources that will be created in main_application().
MarceloSalazar 1:1ccf36276cd3 45 static MbedCloudClientResource* pattern_ptr;
maclobdell 8:ace9e5de6491 46 static MbedCloudClientResource* button_ptr;
MarceloSalazar 0:e13a8a944e25 47
MarceloSalazar 0:e13a8a944e25 48 // Pointer to mbedClient, used for calling close function.
MarceloSalazar 0:e13a8a944e25 49 static SimpleMbedCloudClient *client;
MarceloSalazar 0:e13a8a944e25 50
MarceloSalazar 1:1ccf36276cd3 51 static bool button_pressed = false;
maclobdell 8:ace9e5de6491 52 static int button_count = 0;
maclobdell 8:ace9e5de6491 53
MarceloSalazar 1:1ccf36276cd3 54 void button_press() {
MarceloSalazar 1:1ccf36276cd3 55 button_pressed = true;
maclobdell 8:ace9e5de6491 56 ++button_count;
maclobdell 8:ace9e5de6491 57 button_ptr->set_value(button_count);
MarceloSalazar 1:1ccf36276cd3 58 }
MarceloSalazar 1:1ccf36276cd3 59
MarceloSalazar 1:1ccf36276cd3 60 void pattern_updated(const char *) {
bridadan 5:c18fab181ede 61 printf("PUT received, new value: %s\n", pattern_ptr->get_value().c_str());
MarceloSalazar 2:6ed27f413b30 62 // Placeholder for PUT action
MarceloSalazar 0:e13a8a944e25 63 }
MarceloSalazar 0:e13a8a944e25 64
MarceloSalazar 0:e13a8a944e25 65 void blink_callback(void *) {
bridadan 5:c18fab181ede 66 String pattern_str = pattern_ptr->get_value();
bridadan 5:c18fab181ede 67 const char *pattern = pattern_str.c_str();
MarceloSalazar 2:6ed27f413b30 68 printf("POST received. LED pattern = %s\n", pattern);
MarceloSalazar 2:6ed27f413b30 69 // Placeholder for POST action
MarceloSalazar 0:e13a8a944e25 70 // The pattern is something like 500:200:500, so parse that.
maclobdell 8:ace9e5de6491 71 // LED blinking is done while parsing.
maclobdell 8:ace9e5de6491 72
maclobdell 8:ace9e5de6491 73 while (*pattern != '\0') {
maclobdell 8:ace9e5de6491 74 //make a short blink on the led
maclobdell 8:ace9e5de6491 75 led2 = 0;
maclobdell 8:ace9e5de6491 76 wait_ms(20);
maclobdell 8:ace9e5de6491 77 led2 = 1;
maclobdell 8:ace9e5de6491 78 // Wait for requested time.
maclobdell 8:ace9e5de6491 79 wait_ms(atoi(pattern));
maclobdell 8:ace9e5de6491 80 // Search for next value.
maclobdell 8:ace9e5de6491 81 pattern = strchr(pattern, ':');
maclobdell 8:ace9e5de6491 82 if(!pattern) {
maclobdell 8:ace9e5de6491 83 //we're done, give one last blink to end the pattern
maclobdell 8:ace9e5de6491 84 led2 = 0;
maclobdell 8:ace9e5de6491 85 wait_ms(20);
maclobdell 8:ace9e5de6491 86 led2 = 1;
maclobdell 8:ace9e5de6491 87 break; // while
maclobdell 8:ace9e5de6491 88 }
maclobdell 8:ace9e5de6491 89 pattern++;
maclobdell 8:ace9e5de6491 90 }
MarceloSalazar 0:e13a8a944e25 91 }
MarceloSalazar 0:e13a8a944e25 92
MarceloSalazar 2:6ed27f413b30 93 void button_callback(const M2MBase& object, const NoticationDeliveryStatus status)
MarceloSalazar 0:e13a8a944e25 94 {
MarceloSalazar 2:6ed27f413b30 95 printf("Button notification. Callback: (%s)\n", object.uri_path());
MarceloSalazar 2:6ed27f413b30 96 // Placeholder for GET
MarceloSalazar 0:e13a8a944e25 97 }
MarceloSalazar 0:e13a8a944e25 98
MarceloSalazar 0:e13a8a944e25 99
MarceloSalazar 0:e13a8a944e25 100 int main(void)
MarceloSalazar 0:e13a8a944e25 101 {
MarceloSalazar 2:6ed27f413b30 102 // Requires DAPLink 245+ (https://github.com/ARMmbed/DAPLink/pull/364)
MarceloSalazar 2:6ed27f413b30 103 // Older versions: workaround to prevent possible deletion of credentials:
MarceloSalazar 0:e13a8a944e25 104 wait(2);
MarceloSalazar 0:e13a8a944e25 105
MarceloSalazar 1:1ccf36276cd3 106 // Misc OS setup
MarceloSalazar 1:1ccf36276cd3 107 srand(time(NULL));
MarceloSalazar 1:1ccf36276cd3 108
MarceloSalazar 2:6ed27f413b30 109 // Placeholder for network
MarceloSalazar 1:1ccf36276cd3 110 EthernetInterface net;
MarceloSalazar 2:6ed27f413b30 111
MarceloSalazar 1:1ccf36276cd3 112 printf("Start Simple Mbed Cloud Client\n");
MarceloSalazar 1:1ccf36276cd3 113
MarceloSalazar 1:1ccf36276cd3 114 // Initialize SD card
MarceloSalazar 1:1ccf36276cd3 115 int status = sd.init();
MarceloSalazar 1:1ccf36276cd3 116 if (status != BD_ERROR_OK) {
MarceloSalazar 1:1ccf36276cd3 117 printf("Failed to init SD card\r\n");
MarceloSalazar 1:1ccf36276cd3 118 return -1;
MarceloSalazar 1:1ccf36276cd3 119 }
MarceloSalazar 0:e13a8a944e25 120
MarceloSalazar 1:1ccf36276cd3 121 // Mount the file system (reformatting on failure)
MarceloSalazar 1:1ccf36276cd3 122 status = fs.mount(&sd);
MarceloSalazar 1:1ccf36276cd3 123 if (status) {
MarceloSalazar 1:1ccf36276cd3 124 printf("Failed to mount FAT file system, reformatting...\r\n");
MarceloSalazar 1:1ccf36276cd3 125 status = fs.reformat(&sd);
MarceloSalazar 1:1ccf36276cd3 126 if (status) {
MarceloSalazar 1:1ccf36276cd3 127 printf("Failed to reformat FAT file system\r\n");
MarceloSalazar 1:1ccf36276cd3 128 return -1;
MarceloSalazar 1:1ccf36276cd3 129 } else {
MarceloSalazar 1:1ccf36276cd3 130 printf("Reformat and mount complete\r\n");
MarceloSalazar 1:1ccf36276cd3 131 }
MarceloSalazar 1:1ccf36276cd3 132 }
MarceloSalazar 1:1ccf36276cd3 133
MarceloSalazar 1:1ccf36276cd3 134 printf("Connecting to the network using Ethernet...\n");
MarceloSalazar 1:1ccf36276cd3 135
MarceloSalazar 1:1ccf36276cd3 136 status = net.connect();
MarceloSalazar 1:1ccf36276cd3 137 if (status) {
MarceloSalazar 1:1ccf36276cd3 138 printf("Connection to Network Failed %d!\n", status);
MarceloSalazar 1:1ccf36276cd3 139 return -1;
MarceloSalazar 1:1ccf36276cd3 140 } else {
MarceloSalazar 1:1ccf36276cd3 141 const char *ip_addr = net.get_ip_address();
MarceloSalazar 1:1ccf36276cd3 142 printf("Connected successfully\n");
MarceloSalazar 1:1ccf36276cd3 143 printf("IP address %s\n", ip_addr);
MarceloSalazar 1:1ccf36276cd3 144 }
MarceloSalazar 1:1ccf36276cd3 145
MarceloSalazar 1:1ccf36276cd3 146 SimpleMbedCloudClient mbedClient(&net);
MarceloSalazar 0:e13a8a944e25 147 // Save pointer to mbedClient so that other functions can access it.
MarceloSalazar 0:e13a8a944e25 148 client = &mbedClient;
MarceloSalazar 0:e13a8a944e25 149
MarceloSalazar 1:1ccf36276cd3 150 status = mbedClient.init();
MarceloSalazar 1:1ccf36276cd3 151 if (status) {
MarceloSalazar 1:1ccf36276cd3 152 return -1;
MarceloSalazar 1:1ccf36276cd3 153 }
MarceloSalazar 1:1ccf36276cd3 154
MarceloSalazar 0:e13a8a944e25 155 printf("Client initialized\r\n");
MarceloSalazar 0:e13a8a944e25 156
MarceloSalazar 1:1ccf36276cd3 157 // Mbed Cloud Client resource setup
MarceloSalazar 1:1ccf36276cd3 158 MbedCloudClientResource *button = mbedClient.create_resource("3200/0/5501", "button_resource");
MarceloSalazar 1:1ccf36276cd3 159 button->set_value("0");
MarceloSalazar 1:1ccf36276cd3 160 button->methods(M2MMethod::GET);
MarceloSalazar 1:1ccf36276cd3 161 button->observable(true);
bridadan 5:c18fab181ede 162 button->attach_notification_callback(button_callback);
maclobdell 8:ace9e5de6491 163 button_ptr = button;
maclobdell 8:ace9e5de6491 164
MarceloSalazar 1:1ccf36276cd3 165 MbedCloudClientResource *pattern = mbedClient.create_resource("3201/0/5853", "pattern_resource");
MarceloSalazar 1:1ccf36276cd3 166 pattern->set_value("500:500:500:500");
MarceloSalazar 1:1ccf36276cd3 167 pattern->methods(M2MMethod::GET | M2MMethod::PUT);
bridadan 5:c18fab181ede 168 pattern->attach_put_callback(pattern_updated);
MarceloSalazar 1:1ccf36276cd3 169 pattern_ptr = pattern;
MarceloSalazar 0:e13a8a944e25 170
MarceloSalazar 1:1ccf36276cd3 171 MbedCloudClientResource *blink = mbedClient.create_resource("3201/0/5850", "blink_resource");
MarceloSalazar 1:1ccf36276cd3 172 blink->methods(M2MMethod::POST);
bridadan 5:c18fab181ede 173 blink->attach_post_callback(blink_callback);
MarceloSalazar 0:e13a8a944e25 174
MarceloSalazar 0:e13a8a944e25 175 mbedClient.register_and_connect();
MarceloSalazar 0:e13a8a944e25 176
bridadan 6:254a7e7fbef1 177 // Wait for client to finish registering
bridadan 6:254a7e7fbef1 178 while (!mbedClient.is_client_registered()) {
bridadan 6:254a7e7fbef1 179 wait_ms(100);
bridadan 6:254a7e7fbef1 180 }
bridadan 6:254a7e7fbef1 181
bridadan 6:254a7e7fbef1 182 // Placeholder for callback to update local resource when GET comes.
maclobdell 8:ace9e5de6491 183 //timer.attach(&button_press, 5.0);
maclobdell 8:ace9e5de6491 184 sw2.mode(PullUp);
maclobdell 8:ace9e5de6491 185 sw2.fall(button_press);
maclobdell 8:ace9e5de6491 186 button_count = 0;
maclobdell 8:ace9e5de6491 187
MarceloSalazar 0:e13a8a944e25 188 // Check if client is registering or registered, if true sleep and repeat.
MarceloSalazar 0:e13a8a944e25 189 while (mbedClient.is_register_called()) {
maclobdell 8:ace9e5de6491 190 //static int button_count = 0;
maclobdell 8:ace9e5de6491 191
MarceloSalazar 1:1ccf36276cd3 192 wait_ms(100);
MarceloSalazar 1:1ccf36276cd3 193
MarceloSalazar 1:1ccf36276cd3 194 if (button_pressed) {
MarceloSalazar 1:1ccf36276cd3 195 button_pressed = false;
maclobdell 8:ace9e5de6491 196 //printf("button clicked %d times\r\n", ++button_count);
maclobdell 8:ace9e5de6491 197 //button->set_value(button_count);
maclobdell 8:ace9e5de6491 198 printf("button clicked %d times\r\n", button_count);
MarceloSalazar 0:e13a8a944e25 199 }
maclobdell 8:ace9e5de6491 200
MarceloSalazar 0:e13a8a944e25 201 }
MarceloSalazar 0:e13a8a944e25 202
MarceloSalazar 0:e13a8a944e25 203 // Client unregistered, exit program.
MarceloSalazar 0:e13a8a944e25 204 return 0;
MarceloSalazar 0:e13a8a944e25 205 }