This repository contains the example code to: 1) Connect RTL8195AM board to Pelion 2) Enable and run firmware update on RTL8195AM
RTL8195AM SMCC application demonstrates how to create a Simple Mbed Cloud Client application that can connect to Pelion, register resources and get FW updates.
main.cpp@7:f3c46cdb5ccf, 2018-12-14 (annotated)
- Committer:
- Lu Zhang
- Date:
- Fri Dec 14 18:59:27 2018 +0800
- Revision:
- 7:f3c46cdb5ccf
- Parent:
- 5:d1d54f04217e
Update mbed-os.lib link to the master repository (14 Dec 2018)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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prashantrar | 0:07e701513236 | 1 | // ---------------------------------------------------------------------------- |
prashantrar | 1:fe5f4acd0b5e | 2 | // Copyright 2016-2018 ARM Ltd. |
prashantrar | 0:07e701513236 | 3 | // |
prashantrar | 0:07e701513236 | 4 | // SPDX-License-Identifier: Apache-2.0 |
prashantrar | 0:07e701513236 | 5 | // |
prashantrar | 0:07e701513236 | 6 | // Licensed under the Apache License, Version 2.0 (the "License"); |
prashantrar | 0:07e701513236 | 7 | // you may not use this file except in compliance with the License. |
prashantrar | 0:07e701513236 | 8 | // You may obtain a copy of the License at |
prashantrar | 0:07e701513236 | 9 | // |
prashantrar | 0:07e701513236 | 10 | // http://www.apache.org/licenses/LICENSE-2.0 |
prashantrar | 0:07e701513236 | 11 | // |
prashantrar | 0:07e701513236 | 12 | // Unless required by applicable law or agreed to in writing, software |
prashantrar | 0:07e701513236 | 13 | // distributed under the License is distributed on an "AS IS" BASIS, |
prashantrar | 0:07e701513236 | 14 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
prashantrar | 0:07e701513236 | 15 | // See the License for the specific language governing permissions and |
prashantrar | 0:07e701513236 | 16 | // limitations under the License. |
prashantrar | 0:07e701513236 | 17 | // ---------------------------------------------------------------------------- |
prashantrar | 0:07e701513236 | 18 | |
prashantrar | 0:07e701513236 | 19 | #include "mbed.h" |
prashantrar | 0:07e701513236 | 20 | #include "simple-mbed-cloud-client.h" |
prashantrar | 0:07e701513236 | 21 | #include "SDBlockDevice.h" |
prashantrar | 0:07e701513236 | 22 | #include "FATFileSystem.h" |
prashantrar | 0:07e701513236 | 23 | #include "RTWInterface.h" |
prashantrar | 0:07e701513236 | 24 | |
prashantrar | 1:fe5f4acd0b5e | 25 | // An event queue is a very useful structure to debounce information between contexts (e.g. ISR and normal threads) |
prashantrar | 1:fe5f4acd0b5e | 26 | // 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 |
prashantrar | 1:fe5f4acd0b5e | 27 | EventQueue eventQueue; |
prashantrar | 0:07e701513236 | 28 | |
prashantrar | 1:fe5f4acd0b5e | 29 | // Storage implementation definition, currently using SDBlockDevice (SPI flash, DataFlash, and internal flash are also available) |
prashantrar | 4:6ef46ab40055 | 30 | SDBlockDevice sd(D11, D12, D13, D10); // MOSI, MISO, CLK, CS |
prashantrar | 1:fe5f4acd0b5e | 31 | FATFileSystem fs("sd", &sd); |
prashantrar | 0:07e701513236 | 32 | |
prashantrar | 1:fe5f4acd0b5e | 33 | // Declaring pointers for access to Mbed Cloud Client resources outside of main() |
prashantrar | 1:fe5f4acd0b5e | 34 | MbedCloudClientResource *button_res; |
prashantrar | 1:fe5f4acd0b5e | 35 | MbedCloudClientResource *pattern_res; |
prashantrar | 0:07e701513236 | 36 | |
prashantrar | 1:fe5f4acd0b5e | 37 | // This function gets triggered by the timer. It's easy to replace it by an InterruptIn and fall() mode on a real button |
prashantrar | 1:fe5f4acd0b5e | 38 | void fake_button_press() { |
prashantrar | 1:fe5f4acd0b5e | 39 | int v = button_res->get_value_int() + 1; |
prashantrar | 0:07e701513236 | 40 | |
prashantrar | 1:fe5f4acd0b5e | 41 | button_res->set_value(v); |
prashantrar | 0:07e701513236 | 42 | |
Tony Wu |
5:d1d54f04217e | 43 | if (v % 10 == 1) { |
Tony Wu |
5:d1d54f04217e | 44 | printf("Simulated button clicked %d times\n", v); |
Tony Wu |
5:d1d54f04217e | 45 | } |
prashantrar | 0:07e701513236 | 46 | } |
prashantrar | 0:07e701513236 | 47 | |
prashantrar | 1:fe5f4acd0b5e | 48 | /** |
prashantrar | 1:fe5f4acd0b5e | 49 | * PUT handler |
prashantrar | 1:fe5f4acd0b5e | 50 | * @param resource The resource that triggered the callback |
prashantrar | 1:fe5f4acd0b5e | 51 | * @param newValue Updated value for the resource |
prashantrar | 1:fe5f4acd0b5e | 52 | */ |
prashantrar | 1:fe5f4acd0b5e | 53 | void pattern_updated(MbedCloudClientResource *resource, m2m::String newValue) { |
prashantrar | 1:fe5f4acd0b5e | 54 | printf("PUT received, new value: %s\n", newValue.c_str()); |
prashantrar | 0:07e701513236 | 55 | } |
prashantrar | 0:07e701513236 | 56 | |
prashantrar | 1:fe5f4acd0b5e | 57 | /** |
prashantrar | 1:fe5f4acd0b5e | 58 | * POST handler |
prashantrar | 1:fe5f4acd0b5e | 59 | * @param resource The resource that triggered the callback |
prashantrar | 1:fe5f4acd0b5e | 60 | * @param buffer If a body was passed to the POST function, this contains the data. |
prashantrar | 1:fe5f4acd0b5e | 61 | * Note that the buffer is deallocated after leaving this function, so copy it if you need it longer. |
prashantrar | 1:fe5f4acd0b5e | 62 | * @param size Size of the body |
prashantrar | 1:fe5f4acd0b5e | 63 | */ |
prashantrar | 1:fe5f4acd0b5e | 64 | void blink_callback(MbedCloudClientResource *resource, const uint8_t *buffer, uint16_t size) { |
prashantrar | 1:fe5f4acd0b5e | 65 | printf("POST received. Going to blink LED pattern: %s\n", pattern_res->get_value().c_str()); |
prashantrar | 1:fe5f4acd0b5e | 66 | |
prashantrar | 1:fe5f4acd0b5e | 67 | static DigitalOut augmentedLed(LED1); // LED that is used for blinking the pattern |
prashantrar | 0:07e701513236 | 68 | |
prashantrar | 1:fe5f4acd0b5e | 69 | // Parse the pattern string, and toggle the LED in that pattern |
prashantrar | 1:fe5f4acd0b5e | 70 | string s = std::string(pattern_res->get_value().c_str()); |
prashantrar | 1:fe5f4acd0b5e | 71 | size_t i = 0; |
prashantrar | 1:fe5f4acd0b5e | 72 | size_t pos = s.find(':'); |
prashantrar | 1:fe5f4acd0b5e | 73 | while (pos != string::npos) { |
prashantrar | 1:fe5f4acd0b5e | 74 | wait_ms(atoi(s.substr(i, pos - i).c_str())); |
prashantrar | 1:fe5f4acd0b5e | 75 | augmentedLed = !augmentedLed; |
prashantrar | 1:fe5f4acd0b5e | 76 | |
prashantrar | 1:fe5f4acd0b5e | 77 | i = ++pos; |
prashantrar | 1:fe5f4acd0b5e | 78 | pos = s.find(':', pos); |
prashantrar | 1:fe5f4acd0b5e | 79 | |
prashantrar | 1:fe5f4acd0b5e | 80 | if (pos == string::npos) { |
prashantrar | 1:fe5f4acd0b5e | 81 | wait_ms(atoi(s.substr(i, s.length()).c_str())); |
prashantrar | 1:fe5f4acd0b5e | 82 | augmentedLed = !augmentedLed; |
prashantrar | 1:fe5f4acd0b5e | 83 | } |
prashantrar | 1:fe5f4acd0b5e | 84 | } |
prashantrar | 0:07e701513236 | 85 | } |
prashantrar | 0:07e701513236 | 86 | |
prashantrar | 1:fe5f4acd0b5e | 87 | /** |
prashantrar | 1:fe5f4acd0b5e | 88 | * Notification callback handler |
prashantrar | 1:fe5f4acd0b5e | 89 | * @param resource The resource that triggered the callback |
prashantrar | 1:fe5f4acd0b5e | 90 | * @param status The delivery status of the notification |
prashantrar | 1:fe5f4acd0b5e | 91 | */ |
prashantrar | 1:fe5f4acd0b5e | 92 | void button_callback(MbedCloudClientResource *resource, const NoticationDeliveryStatus status) { |
prashantrar | 1:fe5f4acd0b5e | 93 | printf("Button notification, status %s (%d)\n", MbedCloudClientResource::delivery_status_to_string(status), status); |
prashantrar | 1:fe5f4acd0b5e | 94 | } |
prashantrar | 0:07e701513236 | 95 | |
prashantrar | 1:fe5f4acd0b5e | 96 | /** |
prashantrar | 1:fe5f4acd0b5e | 97 | * Registration callback handler |
prashantrar | 1:fe5f4acd0b5e | 98 | * @param endpoint Information about the registered endpoint such as the name (so you can find it back in portal) |
prashantrar | 1:fe5f4acd0b5e | 99 | */ |
prashantrar | 1:fe5f4acd0b5e | 100 | void registered(const ConnectorClientEndpointInfo *endpoint) { |
prashantrar | 1:fe5f4acd0b5e | 101 | printf("Connected to Mbed Cloud. Endpoint Name: %s\n", endpoint->internal_endpoint_name.c_str()); |
prashantrar | 1:fe5f4acd0b5e | 102 | } |
prashantrar | 0:07e701513236 | 103 | |
prashantrar | 1:fe5f4acd0b5e | 104 | int main(void) { |
prashantrar | 1:fe5f4acd0b5e | 105 | printf("Starting Simple Mbed Cloud Client example\n"); |
prashantrar | 1:fe5f4acd0b5e | 106 | printf("Connecting to the network using RTW Wifi...\n"); |
prashantrar | 1:fe5f4acd0b5e | 107 | |
prashantrar | 1:fe5f4acd0b5e | 108 | // Connect to the internet (DHCP is expected to be on) |
prashantrar | 1:fe5f4acd0b5e | 109 | RTWInterface net; |
prashantrar | 1:fe5f4acd0b5e | 110 | nsapi_error_t status = net.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2); |
prashantrar | 1:fe5f4acd0b5e | 111 | |
prashantrar | 1:fe5f4acd0b5e | 112 | if (status != 0) { |
prashantrar | 1:fe5f4acd0b5e | 113 | printf("Connecting to the network failed %d!\n", status); |
prashantrar | 0:07e701513236 | 114 | return -1; |
prashantrar | 0:07e701513236 | 115 | } |
prashantrar | 0:07e701513236 | 116 | |
prashantrar | 1:fe5f4acd0b5e | 117 | printf("Connected to the network successfully. IP address: %s\n", net.get_ip_address()); |
prashantrar | 0:07e701513236 | 118 | |
prashantrar | 1:fe5f4acd0b5e | 119 | // SimpleMbedCloudClient handles registering over LwM2M to Mbed Cloud |
prashantrar | 1:fe5f4acd0b5e | 120 | SimpleMbedCloudClient client(&net, &sd, &fs); |
prashantrar | 1:fe5f4acd0b5e | 121 | int client_status = client.init(); |
prashantrar | 1:fe5f4acd0b5e | 122 | if (client_status != 0) { |
prashantrar | 1:fe5f4acd0b5e | 123 | printf("Initializing Mbed Cloud Client failed (%d)\n", client_status); |
prashantrar | 0:07e701513236 | 124 | return -1; |
prashantrar | 0:07e701513236 | 125 | } |
prashantrar | 0:07e701513236 | 126 | |
prashantrar | 1:fe5f4acd0b5e | 127 | // Creating resources, which can be written or read from the cloud |
prashantrar | 1:fe5f4acd0b5e | 128 | button_res = client.create_resource("3200/0/5501", "button_count"); |
prashantrar | 1:fe5f4acd0b5e | 129 | button_res->set_value(0); |
prashantrar | 1:fe5f4acd0b5e | 130 | button_res->methods(M2MMethod::GET); |
prashantrar | 1:fe5f4acd0b5e | 131 | button_res->observable(true); |
prashantrar | 1:fe5f4acd0b5e | 132 | button_res->attach_notification_callback(button_callback); |
prashantrar | 0:07e701513236 | 133 | |
prashantrar | 1:fe5f4acd0b5e | 134 | pattern_res = client.create_resource("3201/0/5853", "blink_pattern"); |
prashantrar | 1:fe5f4acd0b5e | 135 | pattern_res->set_value("500:500:500:500:500:500:500:500"); |
prashantrar | 1:fe5f4acd0b5e | 136 | pattern_res->methods(M2MMethod::GET | M2MMethod::PUT); |
prashantrar | 1:fe5f4acd0b5e | 137 | pattern_res->attach_put_callback(pattern_updated); |
prashantrar | 0:07e701513236 | 138 | |
prashantrar | 1:fe5f4acd0b5e | 139 | MbedCloudClientResource *blink_res = client.create_resource("3201/0/5850", "blink_action"); |
prashantrar | 1:fe5f4acd0b5e | 140 | blink_res->methods(M2MMethod::POST); |
prashantrar | 1:fe5f4acd0b5e | 141 | blink_res->attach_post_callback(blink_callback); |
prashantrar | 1:fe5f4acd0b5e | 142 | |
prashantrar | 1:fe5f4acd0b5e | 143 | printf("Initialized Mbed Cloud Client. Registering...\n"); |
prashantrar | 0:07e701513236 | 144 | |
prashantrar | 1:fe5f4acd0b5e | 145 | // Callback that fires when registering is complete |
prashantrar | 1:fe5f4acd0b5e | 146 | client.on_registered(®istered); |
prashantrar | 0:07e701513236 | 147 | |
prashantrar | 1:fe5f4acd0b5e | 148 | // Register with Mbed Cloud |
prashantrar | 1:fe5f4acd0b5e | 149 | client.register_and_connect(); |
prashantrar | 0:07e701513236 | 150 | |
prashantrar | 0:07e701513236 | 151 | // Placeholder for callback to update local resource when GET comes. |
prashantrar | 1:fe5f4acd0b5e | 152 | // The timer fires on an interrupt context, but debounces it to the eventqueue, so it's safe to do network operations |
prashantrar | 1:fe5f4acd0b5e | 153 | Ticker timer; |
prashantrar | 1:fe5f4acd0b5e | 154 | timer.attach(eventQueue.event(&fake_button_press), 5.0); |
prashantrar | 0:07e701513236 | 155 | |
prashantrar | 1:fe5f4acd0b5e | 156 | // You can easily run the eventQueue in a separate thread if required |
prashantrar | 1:fe5f4acd0b5e | 157 | eventQueue.dispatch_forever(); |
prashantrar | 0:07e701513236 | 158 | } |