Workshop example
Dependencies: X_NUCLEO_COMMON ST_INTERFACES
main.cpp
- Committer:
- screamer
- Date:
- 2018-12-08
- Revision:
- 10:b27c962b3c3f
- Parent:
- 9:265744785d33
- Child:
- 11:8df4529f060d
File content as of revision 10:b27c962b3c3f:
// ---------------------------------------------------------------------------- // 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. // ---------------------------------------------------------------------------- #ifndef MBED_TEST_MODE #include "mbed.h" #include "simple-mbed-cloud-client.h" #include "LittleFileSystem.h" //#define SENSORS_AND_BUTTONS #ifdef SENSORS_AND_BUTTONS #include "HTS221Sensor.h" #include "LPS22HBSensor.h" #include "LSM6DSLSensor.h" #include "lis3mdl_class.h" #include "VL53L0X.h" static DevI2C devI2c(PB_11,PB_10); static HTS221Sensor hum_temp(&devI2c); static LPS22HBSensor press_temp(&devI2c); static LSM6DSLSensor acc_gyro(&devI2c,LSM6DSL_ACC_GYRO_I2C_ADDRESS_LOW,PD_11); // low address static LIS3MDL magnetometer(&devI2c); static DigitalOut shutdown_pin(PC_6); static VL53L0X range(&devI2c, &shutdown_pin, PC_7); InterruptIn button(USER_BUTTON); #endif /* SENSORS_AND_BUTTONS */ // 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; // Default network interface object NetworkInterface *net; // Default block device BlockDevice* bd = BlockDevice::get_default_instance(); SlicingBlockDevice sd(bd, 0, 2*1024*1024); LittleFileSystem fs("fs", &sd); // Declaring pointers for access to Pelion Client resources outside of main() MbedCloudClientResource *button_res; MbedCloudClientResource *pattern_res; #ifdef SENSORS_AND_BUTTONS // Additional resources for sensor readings MbedCloudClientResource *humidity_res; MbedCloudClientResource *temperature_res; MbedCloudClientResource *distance_res; #endif /* SENSORS_AND_BUTTONS */ // When the device is registered, this variable will be used to access various useful information, like device ID etc. static const ConnectorClientEndpointInfo* endpointInfo; /** * Button function triggered by the physical button press or by timer depending on SENSORS_AND_BUTTONS macro. */ void button_press() { int v = button_res->get_value_int() + 1; button_res->set_value(v); printf("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 Pelion Device Management. Endpoint Name: %s\n", endpoint->internal_endpoint_name.c_str()); endpointInfo = endpoint; } #ifdef SENSORS_AND_BUTTONS /** * Initialize sensors */ void sensors_init() { uint8_t id; // Initialize sensors hum_temp.init(NULL); press_temp.init(NULL); acc_gyro.init(NULL); magnetometer.init(NULL); range.init_sensor(VL53L0X_DEFAULT_ADDRESS); /// Call sensors enable routines hum_temp.enable(); press_temp.enable(); //magnetometer.enable(); acc_gyro.enable_x(); acc_gyro.enable_g(); printf("\033[2J\033[20A"); printf ("\r\n--- Sensors configuration ---\r\n\r\n"); hum_temp.read_id(&id); printf("HTS221 humidity & temperature = 0x%X\r\n", id); press_temp.read_id(&id); printf("LPS22HB pressure & temperature = 0x%X\r\n", id); magnetometer.read_id(&id); printf("LIS3MDL magnetometer = 0x%X\r\n", id); acc_gyro.read_id(&id); printf("LSM6DSL accelerometer & gyroscope = 0x%X\r\n", id); printf("\n\r--- Reading sensor values ---\n\r"); ; } /** * Update sensors and report their values. * This function is called periodically. */ void sensors_update() { float value1, value2; int32_t axes[3]; uint32_t distance; printf("\r\n"); value1 = value2 = 0.0; hum_temp.get_temperature(&value1); hum_temp.get_humidity(&value2); if (endpointInfo) { temperature_res->set_value(value1); humidity_res->set_value(value2); } printf("HTS221: [temp] %.2f C, [hum] %.2f%%\r\n", value1, value2); value1 = value2 = 0.0; press_temp.get_temperature(&value1); press_temp.get_pressure(&value2); printf("LPS22HB: [temp] %.2f C, [press] %.2f mbar\r\n", value1, value2); printf("Mag/Acc/Gyro readings: x, y, z\r\n"); magnetometer.get_m_axes(axes); printf("LIS3MDL [mag/mgauss]: %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]); acc_gyro.get_x_axes(axes); printf("LSM6DSL [acc/mg]: %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]); acc_gyro.get_g_axes(axes); printf("LSM6DSL [gyro/mdps]: %6ld, %6ld, %6ld\r\n", axes[0], axes[1], axes[2]); if (range.get_distance(&distance) == VL53L0X_ERROR_NONE) { printf("VL53L0X [mm]: %6ld\r\n", distance); if (endpointInfo) { distance_res->set_value((int)distance); } } else { printf("VL53L0X [mm]: --\r\n"); } printf("\033[8A"); } #endif /* SENSORS_AND_BUTTONS */ int main(void) { printf("Starting Simple Pelion Device Management Client example\n"); printf("Connecting to the network using Wifi...\n"); // If the User button is pressed, then format storage. const int PRESSED = 0; DigitalIn *user_button = new DigitalIn(USER_BUTTON); if (user_button->read() == PRESSED) { printf("User button is pushed on start. Formatting the storage...\n"); int storage_status = fs.reformat(&sd); if (storage_status != 0) { if (sd.erase(0, sd.size()) == 0) { if (fs.format(&sd) == 0) { storage_status = 0; printf("The storage reformatted successfully.\n"); } } } if (storage_status != 0) { printf("Failed to reformat the storage.\n"); } } #ifdef SENSORS_AND_BUTTONS sensors_init(); #endif /* SENSORS_AND_BUTTONS */ // Connect to the internet (DHCP is expected to be on) net = NetworkInterface::get_default_instance(); nsapi_error_t net_status = -1; for (int tries = 0; tries < 3; tries++) { net_status = net->connect(); if (net_status == NSAPI_ERROR_OK) { break; } else { printf("[WARN] Unable to connect to network. Retrying...\n"); } } if (net_status != NSAPI_ERROR_OK) { printf("Connecting to the network failed %d!\n", net_status); return -1; } printf("Connected to the network successfully. IP address: %s\n", net->get_ip_address()); // SimpleMbedCloudClient handles registering over LwM2M to Pelion DM SimpleMbedCloudClient client(net, bd, &fs); int client_status = client.init(); if (client_status != 0) { printf("Pelion Client initialization 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); #ifdef SENSORS_AND_BUTTONS // Sensor resources temperature_res = client.create_resource("3303/0/5700", "temperature"); temperature_res->set_value(0); temperature_res->methods(M2MMethod::GET); temperature_res->observable(true); humidity_res = client.create_resource("3304/0/5700", "humidity"); humidity_res->set_value(0); humidity_res->methods(M2MMethod::GET); humidity_res->observable(true); distance_res = client.create_resource("3330/0/5700", "distance"); distance_res->set_value(0); distance_res->methods(M2MMethod::GET); distance_res->observable(true); #endif /* SENSORS_AND_BUTTONS */ printf("Initialized Pelion Client. Registering...\n"); // Callback that fires when registering is complete client.on_registered(®istered); // Register with Pelion DM 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 #ifdef SENSORS_AND_BUTTONS button.fall(eventQueue.event(button_press)); Ticker timer; timer.attach(eventQueue.event(sensors_update), 3.0); #else /* SENSORS_AND_BUTTONS */ Ticker timer; timer.attach(eventQueue.event(&button_press), 5.0); #endif /* SENSORS_AND_BUTTONS */ // You can easily run the eventQueue in a separate thread if required eventQueue.dispatch_forever(); } #endif