Clark Jarvis / Mbed OS mbed-cloud-example-lpc546xx-final

Mbed Cloud Example Project - LPC546xx (Completed Version)

Fork of mbed-cloud-example-lpc546xx by Clark Jarvis

main.cpp@0:1f42bb53bff5, 2018-09-22 (annotated)

Committer:
maclobdell
Date:
Sat Sep 22 19:52:41 2018 +0000
Revision:
0:1f42bb53bff5
Child:
4:5994ee6e8f63
Initial version.  Libraries pegged to mbed cloud client version 1.2.6.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maclobdell 0:1f42bb53bff5 1 // ----------------------------------------------------------------------------
maclobdell 0:1f42bb53bff5 2 // Copyright 2016-2017 ARM Ltd.
maclobdell 0:1f42bb53bff5 3 //
maclobdell 0:1f42bb53bff5 4 // SPDX-License-Identifier: Apache-2.0
maclobdell 0:1f42bb53bff5 5 //
maclobdell 0:1f42bb53bff5 6 // Licensed under the Apache License, Version 2.0 (the "License");
maclobdell 0:1f42bb53bff5 7 // you may not use this file except in compliance with the License.
maclobdell 0:1f42bb53bff5 8 // You may obtain a copy of the License at
maclobdell 0:1f42bb53bff5 9 //
maclobdell 0:1f42bb53bff5 10 // http://www.apache.org/licenses/LICENSE-2.0
maclobdell 0:1f42bb53bff5 11 //
maclobdell 0:1f42bb53bff5 12 // Unless required by applicable law or agreed to in writing, software
maclobdell 0:1f42bb53bff5 13 // distributed under the License is distributed on an "AS IS" BASIS,
maclobdell 0:1f42bb53bff5 14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
maclobdell 0:1f42bb53bff5 15 // See the License for the specific language governing permissions and
maclobdell 0:1f42bb53bff5 16 // limitations under the License.
maclobdell 0:1f42bb53bff5 17 // ----------------------------------------------------------------------------
maclobdell 0:1f42bb53bff5 18
maclobdell 0:1f42bb53bff5 19 #include "mbed.h"
maclobdell 0:1f42bb53bff5 20 #include "mbed-trace/mbed_trace.h"
maclobdell 0:1f42bb53bff5 21 #include "mbed-trace-helper.h"
maclobdell 0:1f42bb53bff5 22 #include "simple-mbed-cloud-client.h"
maclobdell 0:1f42bb53bff5 23 #include "key-config-manager/kcm_status.h"
maclobdell 0:1f42bb53bff5 24 #include "key-config-manager/key_config_manager.h"
maclobdell 0:1f42bb53bff5 25 #include "SDBlockDevice.h"
maclobdell 0:1f42bb53bff5 26 #include "FATFileSystem.h"
maclobdell 0:1f42bb53bff5 27 #include "EthernetInterface.h"
maclobdell 0:1f42bb53bff5 28
maclobdell 0:1f42bb53bff5 29 // Placeholder to hardware that trigger events (timer, button, etc)
maclobdell 0:1f42bb53bff5 30 Ticker timer;
maclobdell 0:1f42bb53bff5 31
maclobdell 0:1f42bb53bff5 32 // Placeholder for storage
maclobdell 0:1f42bb53bff5 33 //SDBlockDevice sd(PTE3, PTE1, PTE2, PTE4);
maclobdell 0:1f42bb53bff5 34 SDBlockDevice sd(D11, D12, D13, D10); //MOSI, MISO, SCLK, CS
maclobdell 0:1f42bb53bff5 35
maclobdell 0:1f42bb53bff5 36 FATFileSystem fs("sd");
maclobdell 0:1f42bb53bff5 37
maclobdell 0:1f42bb53bff5 38 // Pointers to the resources that will be created in main_application().
maclobdell 0:1f42bb53bff5 39 static MbedCloudClientResource* pattern_ptr;
maclobdell 0:1f42bb53bff5 40
maclobdell 0:1f42bb53bff5 41 // Pointer to mbedClient, used for calling close function.
maclobdell 0:1f42bb53bff5 42 static SimpleMbedCloudClient *client;
maclobdell 0:1f42bb53bff5 43
maclobdell 0:1f42bb53bff5 44 static bool button_pressed = false;
maclobdell 0:1f42bb53bff5 45
maclobdell 0:1f42bb53bff5 46 void button_press() {
maclobdell 0:1f42bb53bff5 47 button_pressed = true;
maclobdell 0:1f42bb53bff5 48 }
maclobdell 0:1f42bb53bff5 49
maclobdell 0:1f42bb53bff5 50 void pattern_updated(const char *) {
maclobdell 0:1f42bb53bff5 51 printf("PUT received, new value: %s\n", pattern_ptr->get_value().c_str());
maclobdell 0:1f42bb53bff5 52 // Placeholder for PUT action
maclobdell 0:1f42bb53bff5 53 }
maclobdell 0:1f42bb53bff5 54
maclobdell 0:1f42bb53bff5 55 void blink_callback(void *) {
maclobdell 0:1f42bb53bff5 56 String pattern_str = pattern_ptr->get_value();
maclobdell 0:1f42bb53bff5 57 const char *pattern = pattern_str.c_str();
maclobdell 0:1f42bb53bff5 58 printf("POST received. LED pattern = %s\n", pattern);
maclobdell 0:1f42bb53bff5 59 // Placeholder for POST action
maclobdell 0:1f42bb53bff5 60 // The pattern is something like 500:200:500, so parse that.
maclobdell 0:1f42bb53bff5 61 }
maclobdell 0:1f42bb53bff5 62
maclobdell 0:1f42bb53bff5 63 void button_callback(const M2MBase& object, const NoticationDeliveryStatus status)
maclobdell 0:1f42bb53bff5 64 {
maclobdell 0:1f42bb53bff5 65 printf("Button notification. Callback: (%s)\n", object.uri_path());
maclobdell 0:1f42bb53bff5 66 // Placeholder for GET
maclobdell 0:1f42bb53bff5 67 }
maclobdell 0:1f42bb53bff5 68
maclobdell 0:1f42bb53bff5 69
maclobdell 0:1f42bb53bff5 70 int main(void)
maclobdell 0:1f42bb53bff5 71 {
maclobdell 0:1f42bb53bff5 72 // Requires DAPLink 245+ (https://github.com/ARMmbed/DAPLink/pull/364)
maclobdell 0:1f42bb53bff5 73 // Older versions: workaround to prevent possible deletion of credentials:
maclobdell 0:1f42bb53bff5 74 wait(2);
maclobdell 0:1f42bb53bff5 75
maclobdell 0:1f42bb53bff5 76 // Misc OS setup
maclobdell 0:1f42bb53bff5 77 srand(time(NULL));
maclobdell 0:1f42bb53bff5 78
maclobdell 0:1f42bb53bff5 79 // Placeholder for network
maclobdell 0:1f42bb53bff5 80 EthernetInterface net;
maclobdell 0:1f42bb53bff5 81
maclobdell 0:1f42bb53bff5 82 printf("Start Simple Mbed Cloud Client\n");
maclobdell 0:1f42bb53bff5 83
maclobdell 0:1f42bb53bff5 84 // Initialize SD card
maclobdell 0:1f42bb53bff5 85 int status = sd.init();
maclobdell 0:1f42bb53bff5 86 if (status != BD_ERROR_OK) {
maclobdell 0:1f42bb53bff5 87 printf("Failed to init SD card\r\n");
maclobdell 0:1f42bb53bff5 88 return -1;
maclobdell 0:1f42bb53bff5 89 }
maclobdell 0:1f42bb53bff5 90
maclobdell 0:1f42bb53bff5 91 // Mount the file system (reformatting on failure)
maclobdell 0:1f42bb53bff5 92 status = fs.mount(&sd);
maclobdell 0:1f42bb53bff5 93 if (status) {
maclobdell 0:1f42bb53bff5 94 printf("Failed to mount FAT file system, reformatting...\r\n");
maclobdell 0:1f42bb53bff5 95 status = fs.reformat(&sd);
maclobdell 0:1f42bb53bff5 96 if (status) {
maclobdell 0:1f42bb53bff5 97 printf("Failed to reformat FAT file system\r\n");
maclobdell 0:1f42bb53bff5 98 return -1;
maclobdell 0:1f42bb53bff5 99 } else {
maclobdell 0:1f42bb53bff5 100 printf("Reformat and mount complete\r\n");
maclobdell 0:1f42bb53bff5 101 }
maclobdell 0:1f42bb53bff5 102 }
maclobdell 0:1f42bb53bff5 103
maclobdell 0:1f42bb53bff5 104 printf("Connecting to the network using Ethernet...\n");
maclobdell 0:1f42bb53bff5 105
maclobdell 0:1f42bb53bff5 106 status = net.connect();
maclobdell 0:1f42bb53bff5 107 if (status) {
maclobdell 0:1f42bb53bff5 108 printf("Connection to Network Failed %d!\n", status);
maclobdell 0:1f42bb53bff5 109 return -1;
maclobdell 0:1f42bb53bff5 110 } else {
maclobdell 0:1f42bb53bff5 111 const char *ip_addr = net.get_ip_address();
maclobdell 0:1f42bb53bff5 112 printf("Connected successfully\n");
maclobdell 0:1f42bb53bff5 113 printf("IP address %s\n", ip_addr);
maclobdell 0:1f42bb53bff5 114 }
maclobdell 0:1f42bb53bff5 115
maclobdell 0:1f42bb53bff5 116 SimpleMbedCloudClient mbedClient(&net);
maclobdell 0:1f42bb53bff5 117 // Save pointer to mbedClient so that other functions can access it.
maclobdell 0:1f42bb53bff5 118 client = &mbedClient;
maclobdell 0:1f42bb53bff5 119
maclobdell 0:1f42bb53bff5 120 status = mbedClient.init();
maclobdell 0:1f42bb53bff5 121 if (status) {
maclobdell 0:1f42bb53bff5 122 return -1;
maclobdell 0:1f42bb53bff5 123 }
maclobdell 0:1f42bb53bff5 124
maclobdell 0:1f42bb53bff5 125 printf("Client initialized\r\n");
maclobdell 0:1f42bb53bff5 126
maclobdell 0:1f42bb53bff5 127 // Mbed Cloud Client resource setup
maclobdell 0:1f42bb53bff5 128 MbedCloudClientResource *button = mbedClient.create_resource("3200/0/5501", "button_resource");
maclobdell 0:1f42bb53bff5 129 button->set_value("0");
maclobdell 0:1f42bb53bff5 130 button->methods(M2MMethod::GET);
maclobdell 0:1f42bb53bff5 131 button->observable(true);
maclobdell 0:1f42bb53bff5 132 button->attach_notification_callback(button_callback);
maclobdell 0:1f42bb53bff5 133
maclobdell 0:1f42bb53bff5 134 MbedCloudClientResource *pattern = mbedClient.create_resource("3201/0/5853", "pattern_resource");
maclobdell 0:1f42bb53bff5 135 pattern->set_value("500:500:500:500");
maclobdell 0:1f42bb53bff5 136 pattern->methods(M2MMethod::GET | M2MMethod::PUT);
maclobdell 0:1f42bb53bff5 137 pattern->attach_put_callback(pattern_updated);
maclobdell 0:1f42bb53bff5 138 pattern_ptr = pattern;
maclobdell 0:1f42bb53bff5 139
maclobdell 0:1f42bb53bff5 140 MbedCloudClientResource *blink = mbedClient.create_resource("3201/0/5850", "blink_resource");
maclobdell 0:1f42bb53bff5 141 blink->methods(M2MMethod::POST);
maclobdell 0:1f42bb53bff5 142 blink->attach_post_callback(blink_callback);
maclobdell 0:1f42bb53bff5 143
maclobdell 0:1f42bb53bff5 144 mbedClient.register_and_connect();
maclobdell 0:1f42bb53bff5 145
maclobdell 0:1f42bb53bff5 146 // Wait for client to finish registering
maclobdell 0:1f42bb53bff5 147 while (!mbedClient.is_client_registered()) {
maclobdell 0:1f42bb53bff5 148 wait_ms(100);
maclobdell 0:1f42bb53bff5 149 }
maclobdell 0:1f42bb53bff5 150
maclobdell 0:1f42bb53bff5 151 // Placeholder for callback to update local resource when GET comes.
maclobdell 0:1f42bb53bff5 152 timer.attach(&button_press, 5.0);
maclobdell 0:1f42bb53bff5 153
maclobdell 0:1f42bb53bff5 154 // Check if client is registering or registered, if true sleep and repeat.
maclobdell 0:1f42bb53bff5 155 while (mbedClient.is_register_called()) {
maclobdell 0:1f42bb53bff5 156 static int button_count = 0;
maclobdell 0:1f42bb53bff5 157 wait_ms(100);
maclobdell 0:1f42bb53bff5 158
maclobdell 0:1f42bb53bff5 159 if (button_pressed) {
maclobdell 0:1f42bb53bff5 160 button_pressed = false;
maclobdell 0:1f42bb53bff5 161 printf("Simulated button clicked %d times\r\n", ++button_count);
maclobdell 0:1f42bb53bff5 162 button->set_value(button_count);
maclobdell 0:1f42bb53bff5 163 }
maclobdell 0:1f42bb53bff5 164 }
maclobdell 0:1f42bb53bff5 165
maclobdell 0:1f42bb53bff5 166 // Client unregistered, exit program.
maclobdell 0:1f42bb53bff5 167 return 0;
maclobdell 0:1f42bb53bff5 168 }