fahim alavi
/
pelion-example-common-odinw2
tmp
main.cpp@0:7e9105051efa, 2019-10-01 (annotated)
- Committer:
- fahimalavi
- Date:
- Tue Oct 01 15:43:22 2019 +0500
- Revision:
- 0:7e9105051efa
Initial commit added
Who changed what in which revision?
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fahimalavi | 0:7e9105051efa | 1 | // ---------------------------------------------------------------------------- |
fahimalavi | 0:7e9105051efa | 2 | // Copyright 2016-2018 ARM Ltd. |
fahimalavi | 0:7e9105051efa | 3 | // |
fahimalavi | 0:7e9105051efa | 4 | // SPDX-License-Identifier: Apache-2.0 |
fahimalavi | 0:7e9105051efa | 5 | // |
fahimalavi | 0:7e9105051efa | 6 | // Licensed under the Apache License, Version 2.0 (the "License"); |
fahimalavi | 0:7e9105051efa | 7 | // you may not use this file except in compliance with the License. |
fahimalavi | 0:7e9105051efa | 8 | // You may obtain a copy of the License at |
fahimalavi | 0:7e9105051efa | 9 | // |
fahimalavi | 0:7e9105051efa | 10 | // http://www.apache.org/licenses/LICENSE-2.0 |
fahimalavi | 0:7e9105051efa | 11 | // |
fahimalavi | 0:7e9105051efa | 12 | // Unless required by applicable law or agreed to in writing, software |
fahimalavi | 0:7e9105051efa | 13 | // distributed under the License is distributed on an "AS IS" BASIS, |
fahimalavi | 0:7e9105051efa | 14 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
fahimalavi | 0:7e9105051efa | 15 | // See the License for the specific language governing permissions and |
fahimalavi | 0:7e9105051efa | 16 | // limitations under the License. |
fahimalavi | 0:7e9105051efa | 17 | // ---------------------------------------------------------------------------- |
fahimalavi | 0:7e9105051efa | 18 | #ifndef MBED_TEST_MODE |
fahimalavi | 0:7e9105051efa | 19 | |
fahimalavi | 0:7e9105051efa | 20 | #include "mbed.h" |
fahimalavi | 0:7e9105051efa | 21 | #include "simple-mbed-cloud-client.h" |
fahimalavi | 0:7e9105051efa | 22 | #include "FATFileSystem.h" |
fahimalavi | 0:7e9105051efa | 23 | #include "LittleFileSystem.h" |
fahimalavi | 0:7e9105051efa | 24 | |
fahimalavi | 0:7e9105051efa | 25 | // Default network interface object. Don't forget to change the WiFi SSID/password in mbed_app.json if you're using WiFi. |
fahimalavi | 0:7e9105051efa | 26 | NetworkInterface *net = NetworkInterface::get_default_instance(); |
fahimalavi | 0:7e9105051efa | 27 | |
fahimalavi | 0:7e9105051efa | 28 | // Default block device available on the target board |
fahimalavi | 0:7e9105051efa | 29 | BlockDevice *bd = BlockDevice::get_default_instance(); |
fahimalavi | 0:7e9105051efa | 30 | |
fahimalavi | 0:7e9105051efa | 31 | #if COMPONENT_SD || COMPONENT_NUSD |
fahimalavi | 0:7e9105051efa | 32 | // Use FATFileSystem for SD card type blockdevices |
fahimalavi | 0:7e9105051efa | 33 | FATFileSystem fs("fs"); |
fahimalavi | 0:7e9105051efa | 34 | #else |
fahimalavi | 0:7e9105051efa | 35 | // Use LittleFileSystem for non-SD block devices to enable wear leveling and other functions |
fahimalavi | 0:7e9105051efa | 36 | LittleFileSystem fs("fs"); |
fahimalavi | 0:7e9105051efa | 37 | #endif |
fahimalavi | 0:7e9105051efa | 38 | |
fahimalavi | 0:7e9105051efa | 39 | // Default User button for GET example |
fahimalavi | 0:7e9105051efa | 40 | InterruptIn button(BUTTON1); |
fahimalavi | 0:7e9105051efa | 41 | // Default LED to use for PUT/POST example |
fahimalavi | 0:7e9105051efa | 42 | DigitalOut led(LED1, 0); |
fahimalavi | 0:7e9105051efa | 43 | |
fahimalavi | 0:7e9105051efa | 44 | // Declaring pointers for access to Pelion Device Management Client resources outside of main() |
fahimalavi | 0:7e9105051efa | 45 | MbedCloudClientResource *res_button; |
fahimalavi | 0:7e9105051efa | 46 | MbedCloudClientResource *res_led; |
fahimalavi | 0:7e9105051efa | 47 | MbedCloudClientResource *res_post; |
fahimalavi | 0:7e9105051efa | 48 | |
fahimalavi | 0:7e9105051efa | 49 | // An event queue is a very useful structure to debounce information between contexts (e.g. ISR and normal threads) |
fahimalavi | 0:7e9105051efa | 50 | // This is great because things such as network operations are illegal in ISR, so updating a resource in a button's fall() function is not allowed |
fahimalavi | 0:7e9105051efa | 51 | EventQueue eventQueue; |
fahimalavi | 0:7e9105051efa | 52 | |
fahimalavi | 0:7e9105051efa | 53 | // When the device is registered, this variable will be used to access various useful information, like device ID etc. |
fahimalavi | 0:7e9105051efa | 54 | static const ConnectorClientEndpointInfo* endpointInfo; |
fahimalavi | 0:7e9105051efa | 55 | |
fahimalavi | 0:7e9105051efa | 56 | /** |
fahimalavi | 0:7e9105051efa | 57 | * PUT handler - sets the value of the built-in LED |
fahimalavi | 0:7e9105051efa | 58 | * @param resource The resource that triggered the callback |
fahimalavi | 0:7e9105051efa | 59 | * @param newValue Updated value for the resource |
fahimalavi | 0:7e9105051efa | 60 | */ |
fahimalavi | 0:7e9105051efa | 61 | void put_callback(MbedCloudClientResource *resource, m2m::String newValue) { |
fahimalavi | 0:7e9105051efa | 62 | printf("*** PUT received, new value: %s \n", newValue.c_str()); |
fahimalavi | 0:7e9105051efa | 63 | led = atoi(newValue.c_str()); |
fahimalavi | 0:7e9105051efa | 64 | } |
fahimalavi | 0:7e9105051efa | 65 | |
fahimalavi | 0:7e9105051efa | 66 | /** |
fahimalavi | 0:7e9105051efa | 67 | * POST handler - prints the content of the payload |
fahimalavi | 0:7e9105051efa | 68 | * @param resource The resource that triggered the callback |
fahimalavi | 0:7e9105051efa | 69 | * @param buffer If a body was passed to the POST function, this contains the data. |
fahimalavi | 0:7e9105051efa | 70 | * Note that the buffer is deallocated after leaving this function, so copy it if you need it longer. |
fahimalavi | 0:7e9105051efa | 71 | * @param size Size of the body |
fahimalavi | 0:7e9105051efa | 72 | */ |
fahimalavi | 0:7e9105051efa | 73 | void post_callback(MbedCloudClientResource *resource, const uint8_t *buffer, uint16_t size) { |
fahimalavi | 0:7e9105051efa | 74 | printf("*** POST received (length %u). Payload: ", size); |
fahimalavi | 0:7e9105051efa | 75 | for (size_t ix = 0; ix < size; ix++) { |
fahimalavi | 0:7e9105051efa | 76 | printf("%02x ", buffer[ix]); |
fahimalavi | 0:7e9105051efa | 77 | } |
fahimalavi | 0:7e9105051efa | 78 | printf("\n"); |
fahimalavi | 0:7e9105051efa | 79 | } |
fahimalavi | 0:7e9105051efa | 80 | |
fahimalavi | 0:7e9105051efa | 81 | /** |
fahimalavi | 0:7e9105051efa | 82 | * Button handler |
fahimalavi | 0:7e9105051efa | 83 | * This function will be triggered either by a physical button press or by a ticker every 5 seconds (see below) |
fahimalavi | 0:7e9105051efa | 84 | */ |
fahimalavi | 0:7e9105051efa | 85 | void button_press() { |
fahimalavi | 0:7e9105051efa | 86 | int v = res_button->get_value_int() + 1; |
fahimalavi | 0:7e9105051efa | 87 | res_button->set_value(v); |
fahimalavi | 0:7e9105051efa | 88 | printf("*** Button clicked %d times \n", v); |
fahimalavi | 0:7e9105051efa | 89 | } |
fahimalavi | 0:7e9105051efa | 90 | |
fahimalavi | 0:7e9105051efa | 91 | /** |
fahimalavi | 0:7e9105051efa | 92 | * Notification callback handler |
fahimalavi | 0:7e9105051efa | 93 | * @param resource The resource that triggered the callback |
fahimalavi | 0:7e9105051efa | 94 | * @param status The delivery status of the notification |
fahimalavi | 0:7e9105051efa | 95 | */ |
fahimalavi | 0:7e9105051efa | 96 | void button_callback(MbedCloudClientResource *resource, const NoticationDeliveryStatus status) { |
fahimalavi | 0:7e9105051efa | 97 | printf("*** Button notification, status %s (%d) \n", MbedCloudClientResource::delivery_status_to_string(status), status); |
fahimalavi | 0:7e9105051efa | 98 | } |
fahimalavi | 0:7e9105051efa | 99 | |
fahimalavi | 0:7e9105051efa | 100 | /** |
fahimalavi | 0:7e9105051efa | 101 | * Registration callback handler |
fahimalavi | 0:7e9105051efa | 102 | * @param endpoint Information about the registered endpoint such as the name (so you can find it back in portal) |
fahimalavi | 0:7e9105051efa | 103 | */ |
fahimalavi | 0:7e9105051efa | 104 | void registered(const ConnectorClientEndpointInfo *endpoint) { |
fahimalavi | 0:7e9105051efa | 105 | printf("Registered to Pelion Device Management. Endpoint Name: %s\n", endpoint->internal_endpoint_name.c_str()); |
fahimalavi | 0:7e9105051efa | 106 | endpointInfo = endpoint; |
fahimalavi | 0:7e9105051efa | 107 | } |
fahimalavi | 0:7e9105051efa | 108 | |
fahimalavi | 0:7e9105051efa | 109 | int main(void) { |
fahimalavi | 0:7e9105051efa | 110 | printf("\nStarting Simple Pelion Device Management Client example\n"); |
fahimalavi | 0:7e9105051efa | 111 | |
fahimalavi | 0:7e9105051efa | 112 | int storage_status = fs.mount(bd); |
fahimalavi | 0:7e9105051efa | 113 | if (storage_status != 0) { |
fahimalavi | 0:7e9105051efa | 114 | printf("Storage mounting failed.\n"); |
fahimalavi | 0:7e9105051efa | 115 | } |
fahimalavi | 0:7e9105051efa | 116 | // If the User button is pressed ons start, then format storage. |
fahimalavi | 0:7e9105051efa | 117 | bool btn_pressed = (button.read() == MBED_CONF_APP_BUTTON_PRESSED_STATE); |
fahimalavi | 0:7e9105051efa | 118 | if (btn_pressed) { |
fahimalavi | 0:7e9105051efa | 119 | printf("User button is pushed on start...\n"); |
fahimalavi | 0:7e9105051efa | 120 | } |
fahimalavi | 0:7e9105051efa | 121 | |
fahimalavi | 0:7e9105051efa | 122 | if (storage_status || btn_pressed) { |
fahimalavi | 0:7e9105051efa | 123 | printf("Formatting the storage...\n"); |
fahimalavi | 0:7e9105051efa | 124 | int storage_status = StorageHelper::format(&fs, bd); |
fahimalavi | 0:7e9105051efa | 125 | if (storage_status != 0) { |
fahimalavi | 0:7e9105051efa | 126 | printf("ERROR: Failed to reformat the storage (%d).\n", storage_status); |
fahimalavi | 0:7e9105051efa | 127 | } |
fahimalavi | 0:7e9105051efa | 128 | } else { |
fahimalavi | 0:7e9105051efa | 129 | printf("You can hold the user button during boot to format the storage and change the device identity.\n"); |
fahimalavi | 0:7e9105051efa | 130 | } |
fahimalavi | 0:7e9105051efa | 131 | |
fahimalavi | 0:7e9105051efa | 132 | // Connect to the Internet (DHCP is expected to be on) |
fahimalavi | 0:7e9105051efa | 133 | printf("Connecting to the network using the default network interface...\n"); |
fahimalavi | 0:7e9105051efa | 134 | net = NetworkInterface::get_default_instance(); |
fahimalavi | 0:7e9105051efa | 135 | |
fahimalavi | 0:7e9105051efa | 136 | nsapi_error_t net_status = NSAPI_ERROR_NO_CONNECTION; |
fahimalavi | 0:7e9105051efa | 137 | while ((net_status = net->connect()) != NSAPI_ERROR_OK) { |
fahimalavi | 0:7e9105051efa | 138 | printf("Unable to connect to network (%d). Retrying...\n", net_status); |
fahimalavi | 0:7e9105051efa | 139 | } |
fahimalavi | 0:7e9105051efa | 140 | |
fahimalavi | 0:7e9105051efa | 141 | printf("Connected to the network successfully. IP address: %s\n", net->get_ip_address()); |
fahimalavi | 0:7e9105051efa | 142 | |
fahimalavi | 0:7e9105051efa | 143 | printf("Initializing Pelion Device Management Client...\n"); |
fahimalavi | 0:7e9105051efa | 144 | |
fahimalavi | 0:7e9105051efa | 145 | // SimpleMbedCloudClient handles registering over LwM2M to Pelion Device Management |
fahimalavi | 0:7e9105051efa | 146 | SimpleMbedCloudClient client(net, bd, &fs); |
fahimalavi | 0:7e9105051efa | 147 | int client_status = client.init(); |
fahimalavi | 0:7e9105051efa | 148 | if (client_status != 0) { |
fahimalavi | 0:7e9105051efa | 149 | printf("Pelion Client initialization failed (%d)\n", client_status); |
fahimalavi | 0:7e9105051efa | 150 | return -1; |
fahimalavi | 0:7e9105051efa | 151 | } |
fahimalavi | 0:7e9105051efa | 152 | |
fahimalavi | 0:7e9105051efa | 153 | // Creating resources, which can be written or read from the cloud |
fahimalavi | 0:7e9105051efa | 154 | res_button = client.create_resource("3200/0/5501", "Button Count"); |
fahimalavi | 0:7e9105051efa | 155 | res_button->set_value(0); |
fahimalavi | 0:7e9105051efa | 156 | res_button->methods(M2MMethod::GET); |
fahimalavi | 0:7e9105051efa | 157 | res_button->observable(true); |
fahimalavi | 0:7e9105051efa | 158 | res_button->attach_notification_callback(button_callback); |
fahimalavi | 0:7e9105051efa | 159 | |
fahimalavi | 0:7e9105051efa | 160 | res_led = client.create_resource("3201/0/5853", "LED State"); |
fahimalavi | 0:7e9105051efa | 161 | res_led->set_value(led.read()); |
fahimalavi | 0:7e9105051efa | 162 | res_led->methods(M2MMethod::GET | M2MMethod::PUT); |
fahimalavi | 0:7e9105051efa | 163 | res_led->attach_put_callback(put_callback); |
fahimalavi | 0:7e9105051efa | 164 | |
fahimalavi | 0:7e9105051efa | 165 | res_post = client.create_resource("3300/0/5605", "Execute Function"); |
fahimalavi | 0:7e9105051efa | 166 | res_post->methods(M2MMethod::POST); |
fahimalavi | 0:7e9105051efa | 167 | res_post->attach_post_callback(post_callback); |
fahimalavi | 0:7e9105051efa | 168 | |
fahimalavi | 0:7e9105051efa | 169 | printf("Initialized Pelion Device Management Client. Registering...\n"); |
fahimalavi | 0:7e9105051efa | 170 | |
fahimalavi | 0:7e9105051efa | 171 | // Callback that fires when registering is complete |
fahimalavi | 0:7e9105051efa | 172 | client.on_registered(®istered); |
fahimalavi | 0:7e9105051efa | 173 | |
fahimalavi | 0:7e9105051efa | 174 | // Register with Pelion DM |
fahimalavi | 0:7e9105051efa | 175 | client.register_and_connect(); |
fahimalavi | 0:7e9105051efa | 176 | |
fahimalavi | 0:7e9105051efa | 177 | // The button fires on an interrupt context, but debounces it to the eventqueue, so it's safe to do network operations |
fahimalavi | 0:7e9105051efa | 178 | button.fall(eventQueue.event(&button_press)); |
fahimalavi | 0:7e9105051efa | 179 | printf("Press the user button to increment the LwM2M resource value...\n"); |
fahimalavi | 0:7e9105051efa | 180 | |
fahimalavi | 0:7e9105051efa | 181 | // You can easily run the eventQueue in a separate thread if required |
fahimalavi | 0:7e9105051efa | 182 | eventQueue.dispatch_forever(); |
fahimalavi | 0:7e9105051efa | 183 | } |
fahimalavi | 0:7e9105051efa | 184 | |
fahimalavi | 0:7e9105051efa | 185 | #endif /* MBED_TEST_MODE */ |