David Walters / Mbed OS example-Ethernet-mbed-Cloud-connect

Mbed Cloud Connect for Ethernet Platforms

Fork of example-Ethernet-mbed-Cloud-connect by ST

main.cpp@0:e9c53d5f59e3, 2018-02-21 (annotated)

Committer:
MarceloSalazar
Date:
Wed Feb 21 20:14:31 2018 +0000
Revision:
0:e9c53d5f59e3
Child:
2:dac7d642d711
MCC on F429 + SD card

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MarceloSalazar 0:e9c53d5f59e3 1 // ----------------------------------------------------------------------------
MarceloSalazar 0:e9c53d5f59e3 2 // Copyright 2016-2017 ARM Ltd.
MarceloSalazar 0:e9c53d5f59e3 3 //
MarceloSalazar 0:e9c53d5f59e3 4 // SPDX-License-Identifier: Apache-2.0
MarceloSalazar 0:e9c53d5f59e3 5 //
MarceloSalazar 0:e9c53d5f59e3 6 // Licensed under the Apache License, Version 2.0 (the "License");
MarceloSalazar 0:e9c53d5f59e3 7 // you may not use this file except in compliance with the License.
MarceloSalazar 0:e9c53d5f59e3 8 // You may obtain a copy of the License at
MarceloSalazar 0:e9c53d5f59e3 9 //
MarceloSalazar 0:e9c53d5f59e3 10 // http://www.apache.org/licenses/LICENSE-2.0
MarceloSalazar 0:e9c53d5f59e3 11 //
MarceloSalazar 0:e9c53d5f59e3 12 // Unless required by applicable law or agreed to in writing, software
MarceloSalazar 0:e9c53d5f59e3 13 // distributed under the License is distributed on an "AS IS" BASIS,
MarceloSalazar 0:e9c53d5f59e3 14 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MarceloSalazar 0:e9c53d5f59e3 15 // See the License for the specific language governing permissions and
MarceloSalazar 0:e9c53d5f59e3 16 // limitations under the License.
MarceloSalazar 0:e9c53d5f59e3 17 // ----------------------------------------------------------------------------
MarceloSalazar 0:e9c53d5f59e3 18
MarceloSalazar 0:e9c53d5f59e3 19 #include "mbed.h"
MarceloSalazar 0:e9c53d5f59e3 20 #include "mbed-trace/mbed_trace.h"
MarceloSalazar 0:e9c53d5f59e3 21 #include "mbed-trace-helper.h"
MarceloSalazar 0:e9c53d5f59e3 22 #include "simple-mbed-cloud-client.h"
MarceloSalazar 0:e9c53d5f59e3 23 #include "key-config-manager/kcm_status.h"
MarceloSalazar 0:e9c53d5f59e3 24 #include "key-config-manager/key_config_manager.h"
MarceloSalazar 0:e9c53d5f59e3 25 #include "SDBlockDevice.h"
MarceloSalazar 0:e9c53d5f59e3 26 #include "FATFileSystem.h"
MarceloSalazar 0:e9c53d5f59e3 27 #include "EthernetInterface.h"
MarceloSalazar 0:e9c53d5f59e3 28
MarceloSalazar 0:e9c53d5f59e3 29 // Placeholder to hardware that trigger events (timer, button, etc)
MarceloSalazar 0:e9c53d5f59e3 30 Ticker timer;
MarceloSalazar 0:e9c53d5f59e3 31
MarceloSalazar 0:e9c53d5f59e3 32 // Placeholder for storage
MarceloSalazar 0:e9c53d5f59e3 33 SDBlockDevice sd(PC_12, PC_11, PC_10, PA_15); // MOSI, MISO, SCLK, CS
MarceloSalazar 0:e9c53d5f59e3 34 FATFileSystem fs("sd");
MarceloSalazar 0:e9c53d5f59e3 35
MarceloSalazar 0:e9c53d5f59e3 36 // Pointers to the resources that will be created in main_application().
MarceloSalazar 0:e9c53d5f59e3 37 static MbedCloudClientResource* pattern_ptr;
MarceloSalazar 0:e9c53d5f59e3 38
MarceloSalazar 0:e9c53d5f59e3 39 // Pointer to mbedClient, used for calling close function.
MarceloSalazar 0:e9c53d5f59e3 40 static SimpleMbedCloudClient *client;
MarceloSalazar 0:e9c53d5f59e3 41
MarceloSalazar 0:e9c53d5f59e3 42 static bool button_pressed = false;
MarceloSalazar 0:e9c53d5f59e3 43
MarceloSalazar 0:e9c53d5f59e3 44 void button_press() {
MarceloSalazar 0:e9c53d5f59e3 45 button_pressed = true;
MarceloSalazar 0:e9c53d5f59e3 46 }
MarceloSalazar 0:e9c53d5f59e3 47
MarceloSalazar 0:e9c53d5f59e3 48 void pattern_updated(const char *) {
MarceloSalazar 0:e9c53d5f59e3 49 printf("PUT received, new value: %s\n", pattern_ptr->get_value().c_str());
MarceloSalazar 0:e9c53d5f59e3 50 // Placeholder for PUT action
MarceloSalazar 0:e9c53d5f59e3 51 }
MarceloSalazar 0:e9c53d5f59e3 52
MarceloSalazar 0:e9c53d5f59e3 53 void blink_callback(void *) {
MarceloSalazar 0:e9c53d5f59e3 54 String pattern_str = pattern_ptr->get_value();
MarceloSalazar 0:e9c53d5f59e3 55 const char *pattern = pattern_str.c_str();
MarceloSalazar 0:e9c53d5f59e3 56 printf("POST received. LED pattern = %s\n", pattern);
MarceloSalazar 0:e9c53d5f59e3 57 // Placeholder for POST action
MarceloSalazar 0:e9c53d5f59e3 58 // The pattern is something like 500:200:500, so parse that.
MarceloSalazar 0:e9c53d5f59e3 59 }
MarceloSalazar 0:e9c53d5f59e3 60
MarceloSalazar 0:e9c53d5f59e3 61 void button_callback(const M2MBase& object, const NoticationDeliveryStatus status)
MarceloSalazar 0:e9c53d5f59e3 62 {
MarceloSalazar 0:e9c53d5f59e3 63 printf("Button notification. Callback: (%s)\n", object.uri_path());
MarceloSalazar 0:e9c53d5f59e3 64 // Placeholder for GET
MarceloSalazar 0:e9c53d5f59e3 65 }
MarceloSalazar 0:e9c53d5f59e3 66
MarceloSalazar 0:e9c53d5f59e3 67
MarceloSalazar 0:e9c53d5f59e3 68 int main(void)
MarceloSalazar 0:e9c53d5f59e3 69 {
MarceloSalazar 0:e9c53d5f59e3 70 // Requires DAPLink 245+ (https://github.com/ARMmbed/DAPLink/pull/364)
MarceloSalazar 0:e9c53d5f59e3 71 // Older versions: workaround to prevent possible deletion of credentials:
MarceloSalazar 0:e9c53d5f59e3 72 wait(2);
MarceloSalazar 0:e9c53d5f59e3 73
MarceloSalazar 0:e9c53d5f59e3 74 // Misc OS setup
MarceloSalazar 0:e9c53d5f59e3 75 srand(time(NULL));
MarceloSalazar 0:e9c53d5f59e3 76
MarceloSalazar 0:e9c53d5f59e3 77 // Placeholder for network
MarceloSalazar 0:e9c53d5f59e3 78 EthernetInterface net;
MarceloSalazar 0:e9c53d5f59e3 79
MarceloSalazar 0:e9c53d5f59e3 80 printf("Start Simple Mbed Cloud Client\n");
MarceloSalazar 0:e9c53d5f59e3 81
MarceloSalazar 0:e9c53d5f59e3 82 // Initialize SD card
MarceloSalazar 0:e9c53d5f59e3 83 int status = sd.init();
MarceloSalazar 0:e9c53d5f59e3 84 if (status != BD_ERROR_OK) {
MarceloSalazar 0:e9c53d5f59e3 85 printf("Failed to init SD card\r\n");
MarceloSalazar 0:e9c53d5f59e3 86 return -1;
MarceloSalazar 0:e9c53d5f59e3 87 }
MarceloSalazar 0:e9c53d5f59e3 88
MarceloSalazar 0:e9c53d5f59e3 89 // Mount the file system (reformatting on failure)
MarceloSalazar 0:e9c53d5f59e3 90 status = fs.mount(&sd);
MarceloSalazar 0:e9c53d5f59e3 91 if (status) {
MarceloSalazar 0:e9c53d5f59e3 92 printf("Failed to mount FAT file system, reformatting...\r\n");
MarceloSalazar 0:e9c53d5f59e3 93 status = fs.reformat(&sd);
MarceloSalazar 0:e9c53d5f59e3 94 if (status) {
MarceloSalazar 0:e9c53d5f59e3 95 printf("Failed to reformat FAT file system\r\n");
MarceloSalazar 0:e9c53d5f59e3 96 return -1;
MarceloSalazar 0:e9c53d5f59e3 97 } else {
MarceloSalazar 0:e9c53d5f59e3 98 printf("Reformat and mount complete\r\n");
MarceloSalazar 0:e9c53d5f59e3 99 }
MarceloSalazar 0:e9c53d5f59e3 100 }
MarceloSalazar 0:e9c53d5f59e3 101
MarceloSalazar 0:e9c53d5f59e3 102 printf("Connecting to the network using Ethernet...\n");
MarceloSalazar 0:e9c53d5f59e3 103
MarceloSalazar 0:e9c53d5f59e3 104 status = net.connect();
MarceloSalazar 0:e9c53d5f59e3 105 if (status) {
MarceloSalazar 0:e9c53d5f59e3 106 printf("Connection to Network Failed %d!\n", status);
MarceloSalazar 0:e9c53d5f59e3 107 return -1;
MarceloSalazar 0:e9c53d5f59e3 108 } else {
MarceloSalazar 0:e9c53d5f59e3 109 const char *ip_addr = net.get_ip_address();
MarceloSalazar 0:e9c53d5f59e3 110 printf("Connected successfully\n");
MarceloSalazar 0:e9c53d5f59e3 111 printf("IP address %s\n", ip_addr);
MarceloSalazar 0:e9c53d5f59e3 112 }
MarceloSalazar 0:e9c53d5f59e3 113
MarceloSalazar 0:e9c53d5f59e3 114 SimpleMbedCloudClient mbedClient(&net);
MarceloSalazar 0:e9c53d5f59e3 115 // Save pointer to mbedClient so that other functions can access it.
MarceloSalazar 0:e9c53d5f59e3 116 client = &mbedClient;
MarceloSalazar 0:e9c53d5f59e3 117
MarceloSalazar 0:e9c53d5f59e3 118 status = mbedClient.init();
MarceloSalazar 0:e9c53d5f59e3 119 if (status) {
MarceloSalazar 0:e9c53d5f59e3 120 return -1;
MarceloSalazar 0:e9c53d5f59e3 121 }
MarceloSalazar 0:e9c53d5f59e3 122
MarceloSalazar 0:e9c53d5f59e3 123 printf("Client initialized\r\n");
MarceloSalazar 0:e9c53d5f59e3 124
MarceloSalazar 0:e9c53d5f59e3 125 // Mbed Cloud Client resource setup
MarceloSalazar 0:e9c53d5f59e3 126 MbedCloudClientResource *button = mbedClient.create_resource("3200/0/5501", "button_resource");
MarceloSalazar 0:e9c53d5f59e3 127 button->set_value("0");
MarceloSalazar 0:e9c53d5f59e3 128 button->methods(M2MMethod::GET);
MarceloSalazar 0:e9c53d5f59e3 129 button->observable(true);
MarceloSalazar 0:e9c53d5f59e3 130 button->attach_notification_callback(button_callback);
MarceloSalazar 0:e9c53d5f59e3 131
MarceloSalazar 0:e9c53d5f59e3 132 MbedCloudClientResource *pattern = mbedClient.create_resource("3201/0/5853", "pattern_resource");
MarceloSalazar 0:e9c53d5f59e3 133 pattern->set_value("500:500:500:500");
MarceloSalazar 0:e9c53d5f59e3 134 pattern->methods(M2MMethod::GET | M2MMethod::PUT);
MarceloSalazar 0:e9c53d5f59e3 135 pattern->attach_put_callback(pattern_updated);
MarceloSalazar 0:e9c53d5f59e3 136 pattern_ptr = pattern;
MarceloSalazar 0:e9c53d5f59e3 137
MarceloSalazar 0:e9c53d5f59e3 138 MbedCloudClientResource *blink = mbedClient.create_resource("3201/0/5850", "blink_resource");
MarceloSalazar 0:e9c53d5f59e3 139 blink->methods(M2MMethod::POST);
MarceloSalazar 0:e9c53d5f59e3 140 blink->attach_post_callback(blink_callback);
MarceloSalazar 0:e9c53d5f59e3 141
MarceloSalazar 0:e9c53d5f59e3 142 mbedClient.register_and_connect();
MarceloSalazar 0:e9c53d5f59e3 143
MarceloSalazar 0:e9c53d5f59e3 144 // Wait for client to finish registering
MarceloSalazar 0:e9c53d5f59e3 145 while (!mbedClient.is_client_registered()) {
MarceloSalazar 0:e9c53d5f59e3 146 wait_ms(100);
MarceloSalazar 0:e9c53d5f59e3 147 }
MarceloSalazar 0:e9c53d5f59e3 148
MarceloSalazar 0:e9c53d5f59e3 149 // Placeholder for callback to update local resource when GET comes.
MarceloSalazar 0:e9c53d5f59e3 150 timer.attach(&button_press, 5.0);
MarceloSalazar 0:e9c53d5f59e3 151
MarceloSalazar 0:e9c53d5f59e3 152 // Check if client is registering or registered, if true sleep and repeat.
MarceloSalazar 0:e9c53d5f59e3 153 while (mbedClient.is_register_called()) {
MarceloSalazar 0:e9c53d5f59e3 154 static int button_count = 0;
MarceloSalazar 0:e9c53d5f59e3 155 wait_ms(100);
MarceloSalazar 0:e9c53d5f59e3 156
MarceloSalazar 0:e9c53d5f59e3 157 if (button_pressed) {
MarceloSalazar 0:e9c53d5f59e3 158 button_pressed = false;
MarceloSalazar 0:e9c53d5f59e3 159 printf("Simulated button clicked %d times\r\n", ++button_count);
MarceloSalazar 0:e9c53d5f59e3 160 button->set_value(button_count);
MarceloSalazar 0:e9c53d5f59e3 161 }
MarceloSalazar 0:e9c53d5f59e3 162 }
MarceloSalazar 0:e9c53d5f59e3 163
MarceloSalazar 0:e9c53d5f59e3 164 // Client unregistered, exit program.
MarceloSalazar 0:e9c53d5f59e3 165 return 0;
MarceloSalazar 0:e9c53d5f59e3 166 }