Jim Carver
/
mbed-cloud-workshop-connect-HTS221
bug fix
main.cpp
- Committer:
- JimCarver
- Date:
- 2018-10-12
- Revision:
- 0:6b753f761943
- Child:
- 1:521604503e81
File content as of revision 0:6b753f761943:
// ---------------------------------------------------------------------------- // Copyright 2016-2018 ARM Ltd. // // SPDX-License-Identifier: Apache-2.0 // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // ---------------------------------------------------------------------------- #include "mbed.h" #include <stdio.h> #include <errno.h> #include "qspi_api.h" #include "QSPI.h" #include "qspi-blockdevice/QSPIFBlockDevice.h" #define DEVICE_QSPI #include "FATFileSystem.h" #include "LittleFileSystem.h" #include "simple-mbed-cloud-client.h" // #include "SDBlockDevice.h" #include "ISM43362Interface.h" // #include "SPIFBlockDevice.h" // to use onboard spi flash #define WIFI_SSID "mbed" #define WIFI_PASSWORD "workshop-password" // An event queue is a very useful structure to debounce information between contexts (e.g. ISR and normal threads) // 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 EventQueue eventQueue; // Declaring net interface as a global variable instead of local to avoid stack overflow ISM43362Interface net; // Storage implementation definition, currently using SDBlockDevice (SPI flash, DataFlash, and internal flash are also available) // SDBlockDevice sd(SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS); QSPIFBlockDevice sd(PE_12, PE_13, PE_14, PE_15,PE_10,PE_11,0,8000000); // FATFileSystem fs("sd", &bd); LittleFileSystem fs("sd"); // Declaring pointers for access to Mbed Cloud Client resources outside of main() MbedCloudClientResource *button_res; MbedCloudClientResource *pattern_res; // This function gets triggered by the timer. It's easy to replace it by an InterruptIn and fall() mode on a real button void fake_button_press() { int v = button_res->get_value_int() + 1; button_res->set_value(v); printf("Simulated button clicked %d times\n", v); } /** * PUT handler * @param resource The resource that triggered the callback * @param newValue Updated value for the resource */ void pattern_updated(MbedCloudClientResource *resource, m2m::String newValue) { printf("PUT received, new value: %s\n", newValue.c_str()); } /** * POST handler * @param resource The resource that triggered the callback * @param buffer If a body was passed to the POST function, this contains the data. * Note that the buffer is deallocated after leaving this function, so copy it if you need it longer. * @param size Size of the body */ void blink_callback(MbedCloudClientResource *resource, const uint8_t *buffer, uint16_t size) { printf("POST received. Going to blink LED pattern: %s\n", pattern_res->get_value().c_str()); static DigitalOut augmentedLed(LED1); // LED that is used for blinking the pattern // Parse the pattern string, and toggle the LED in that pattern string s = std::string(pattern_res->get_value().c_str()); size_t i = 0; size_t pos = s.find(':'); while (pos != string::npos) { wait_ms(atoi(s.substr(i, pos - i).c_str())); augmentedLed = !augmentedLed; i = ++pos; pos = s.find(':', pos); if (pos == string::npos) { wait_ms(atoi(s.substr(i, s.length()).c_str())); augmentedLed = !augmentedLed; } } } /** * Notification callback handler * @param resource The resource that triggered the callback * @param status The delivery status of the notification */ void button_callback(MbedCloudClientResource *resource, const NoticationDeliveryStatus status) { printf("Button notification, status %s (%d)\n", MbedCloudClientResource::delivery_status_to_string(status), status); } /** * Registration callback handler * @param endpoint Information about the registered endpoint such as the name (so you can find it back in portal) */ void registered(const ConnectorClientEndpointInfo *endpoint) { printf("Connected to Mbed Cloud. Endpoint Name: %s\n", endpoint->internal_endpoint_name.c_str()); } int main(void) { printf("Starting Simple Mbed Cloud Client example\n"); printf("Checking SDCard is Formatted\r\n"); int err = fs.mount(&sd); printf("%s\n", (err ? "Fail :(" : "OK")); if (err) { // Reformat if we can't mount the filesystem // this should only happen on the first boot printf("No filesystem found, formatting... "); fflush(stdout); err = fs.reformat(&sd); printf("%s\n", (err ? "Fail :(" : "OK")); if (err) { error("error: %s (%d)\n", strerror(-err), err); } } // err = fs.unmount(); // printf("%s\n", (err < 0 ? "Fail :(" : "OK")); // if (err < 0) { // error("error: %s (%d)\n", strerror(-err), err); // } printf("Connecting to the network using Wifi...\n"); // Connect to the internet (DHCP is expected to be on) nsapi_error_t status = net.connect(WIFI_SSID, WIFI_PASSWORD, (strlen(WIFI_PASSWORD) > 1) ? NSAPI_SECURITY_WPA_WPA2 : NSAPI_SECURITY_NONE); if (status != 0) { printf("Connecting to the network failed %d!\n", status); return -1; } printf("Connected to the network successfully. IP address: %s\n", net.get_ip_address()); // SimpleMbedCloudClient handles registering over LwM2M to Mbed Cloud SimpleMbedCloudClient client(&net, &sd, &fs); int client_status = client.init(); if (client_status != 0) { printf("Initializing Mbed Cloud Client failed (%d)\n", client_status); return -1; } // Creating resources, which can be written or read from the cloud button_res = client.create_resource("3200/0/5501", "button_count"); button_res->set_value(0); button_res->methods(M2MMethod::GET); button_res->observable(true); button_res->attach_notification_callback(button_callback); pattern_res = client.create_resource("3201/0/5853", "blink_pattern"); pattern_res->set_value("500:500:500:500:500:500:500:500"); pattern_res->methods(M2MMethod::GET | M2MMethod::PUT); pattern_res->attach_put_callback(pattern_updated); MbedCloudClientResource *blink_res = client.create_resource("3201/0/5850", "blink_action"); blink_res->methods(M2MMethod::POST); blink_res->attach_post_callback(blink_callback); printf("Initialized Mbed Cloud Client. Registering...\n"); // Callback that fires when registering is complete client.on_registered(®istered); // Register with Mbed Cloud client.register_and_connect(); // Placeholder for callback to update local resource when GET comes. // The timer fires on an interrupt context, but debounces it to the eventqueue, so it's safe to do network operations Ticker timer; timer.attach(eventQueue.event(&fake_button_press), 5.0); // You can easily run the eventQueue in a separate thread if required eventQueue.dispatch_forever(); }