teste coragem
source/main.cpp
- Committer:
- brunnobbco
- Date:
- 2019-07-11
- Revision:
- 22:f3af2192b3ff
- Parent:
- 21:6cf50085f9f3
File content as of revision 22:f3af2192b3ff:
/* mbed Microcontroller Library * Copyright (c) 2017 ARM Limited * * 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 <events/mbed_events.h> #include <stdio.h> #include "mbed.h" #include "platform/Callback.h" #include "events/EventQueue.h" #include "platform/NonCopyable.h" #include "ble/BLE.h" #include "ble/Gap.h" #include "ble/GattClient.h" #include "ble/GapAdvertisingParams.h" #include "ble/GapAdvertisingData.h" #include "ble/GattServer.h" #include "BLEProcess.h" #include "Si1133.h" using mbed::callback; Si1133 sensor_light(P0_13, P0_15); /** * A My service that demonstrate the GattServer features. * * The My service host three characteristics that model the current hour, * led and count of the My. The value of the count characteristic is * incremented automatically by the system. * * A client can subscribe to updates of the My characteristics and get * notified when one of the value is changed. Clients can also change value of * the count, led and hour characteristric. */ class MyService { typedef MyService Self; public: MyService() : // _hour_char("485f4145-52b9-4644-af1f-7a6b9322490f", 0), _led_char("0a924ca7-87cd-4699-a3bd-abdcd9cf126a", 0), _count_char("8dd6a1b7-bc75-4741-8a26-264af75807de", 0), _My_service( /* uuid */ "51311102-030e-485f-b122-f8f381aa84ed", /* characteristics */ _My_characteristics, /* numCharacteristics */ sizeof(_My_characteristics) / sizeof(_My_characteristics[0]) ), _server(NULL), _event_queue(NULL), _alive_led(P1_13, 1), _actuated_led(P1_14,0) { // update internal pointers (value, descriptors and characteristics array) // _My_characteristics[0] = &_hour_char; _My_characteristics[1] = &_led_char; _My_characteristics[0] = &_count_char; // setup authorization handlers //_hour_char.setWriteAuthorizationCallback(this, &Self::authorize_client_write); _led_char.setWriteAuthorizationCallback(this, &Self::authorize_client_write); _count_char.setWriteAuthorizationCallback(this, &Self::authorize_client_write); } void start(BLE &ble_interface, events::EventQueue &event_queue) { if (_event_queue) { return; } _server = &ble_interface.gattServer(); _event_queue = &event_queue; // register the service printf("Adding demo service\r\n"); ble_error_t err = _server->addService(_My_service); if (err) { printf("Error %u during demo service registration.\r\n", err); return; } // read write handler _server->onDataSent(as_cb(&Self::when_data_sent)); _server->onDataWritten(as_cb(&Self::when_data_written)); _server->onDataRead(as_cb(&Self::when_data_read)); // updates subscribtion handlers _server->onUpdatesEnabled(as_cb(&Self::when_update_enabled)); _server->onUpdatesDisabled(as_cb(&Self::when_update_disabled)); _server->onConfirmationReceived(as_cb(&Self::when_confirmation_received)); // print the handles printf("My service registered\r\n"); printf("service handle: %u\r\n", _My_service.getHandle()); //printf("\thour characteristic value handle %u\r\n", _hour_char.getValueHandle()); // printf("\tled characteristic value handle %u\r\n", _led_char.getValueHandle()); printf("\tcount characteristic value handle %u\r\n", _count_char.getValueHandle()); _event_queue->call_every(1000 /* ms */, callback(this, &Self::increment_count)); _event_queue->call_every(500 /* ms */, callback(this, &Self::blink)); } private: /** * Handler called when a notification or an indication has been sent. */ void when_data_sent(unsigned count) { printf("sent %u updates\r\n", count); } /** * Handler called after an attribute has been written. */ void when_data_written(const GattWriteCallbackParams *e) { printf("data written:\r\n"); printf("\tconnection handle: %u\r\n", e->connHandle); printf("\tattribute handle: %u", e->handle); //if (e->handle == _hour_char.getValueHandle()) { // printf(" (hour characteristic)\r\n"); // } else if (e->handle == _led_char.getValueHandle()) { printf(" (led characteristic)\r\n"); _actuated_led = *(e->data); } else if (e->handle == _count_char.getValueHandle()) { printf(" (count characteristic)\r\n"); } else { printf("\r\n"); } printf("\twrite operation: %u\r\n", e->writeOp); printf("\toffset: %u\r\n", e->offset); printf("\tlength: %u\r\n", e->len); printf("\t data: "); for (size_t i = 0; i < e->len; ++i) { printf("%02X", e->data[i]); } printf("\r\n"); } /** * Handler called after an attribute has been read. */ void when_data_read(const GattReadCallbackParams *e) { printf("data read:\r\n"); printf("\tconnection handle: %u\r\n", e->connHandle); printf("\tattribute handle: %u", e->handle); // if (e->handle == _hour_char.getValueHandle()) { // printf(" (hour characteristic)\r\n"); // } else if (e->handle == _led_char.getValueHandle()) { printf(" (led characteristic)\r\n"); } else if (e->handle == _count_char.getValueHandle()) { printf(" (count characteristic)\r\n"); } else { printf("\r\n"); } } /** * Handler called after a client has subscribed to notification or indication. * * @param handle Handle of the characteristic value affected by the change. */ void when_update_enabled(GattAttribute::Handle_t handle) { printf("update enabled on handle %d\r\n", handle); } /** * Handler called after a client has cancelled his subscription from * notification or indication. * * @param handle Handle of the characteristic value affected by the change. */ void when_update_disabled(GattAttribute::Handle_t handle) { printf("update disabled on handle %d\r\n", handle); } /** * Handler called when an indication confirmation has been received. * * @param handle Handle of the characteristic value that has emitted the * indication. */ void when_confirmation_received(GattAttribute::Handle_t handle) { printf("confirmation received on handle %d\r\n", handle); } /** * Handler called when a write request is received. * * This handler verify that the value submitted by the client is valid before * authorizing the operation. */ void authorize_client_write(GattWriteAuthCallbackParams *e) { printf("characteristic %u write authorization\r\n", e->handle); if (e->offset != 0) { printf("Error invalid offset\r\n"); e->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_OFFSET; return; } if (e->len != 1) { printf("Error invalid len\r\n"); e->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_INVALID_ATT_VAL_LENGTH; return; } //if ((e->data[0] >= 60) || // ((e->data[0] >= 24) && (e->handle == _hour_char.getValueHandle()))) { // printf("Error invalid data\r\n"); // e->authorizationReply = AUTH_CALLBACK_REPLY_ATTERR_WRITE_NOT_PERMITTED; // return; // } e->authorizationReply = AUTH_CALLBACK_REPLY_SUCCESS; } /** * Increment the count counter. */ void increment_count(void) { uint8_t count =0; float float32; uint8_t count_v[4]; uint8_t *vp; uint8_t temp; ble_error_t err = _count_char.get(*_server, count); if (err) { printf("read of the count value returned error %u\r\n", err); return; } // count ++; if (sensor_light.open()) { printf("Device detected!\n"); //Print the current light level printf("Lux = %.3f\n", (float)sensor_light.get_light_level()); //Print the current UV index printf("UV index = %.3f\n", (float)sensor_light.get_uv_index()); //Sleep for 0.5 seconds float32= sensor_light.get_light_level(); count = (uint8_t)float32; //printf("Lux = %.2f\n", float32); vp = (uint8_t*)&float32; count_v[0] = vp[0]; count_v[1] = vp[1]; count_v[2] = vp[2]; count_v[3] = vp[3]; *(float*)count_v = float32; count = count_v[2]; _actuated_led = !_actuated_led; } err = _count_char.set(*_server, count); if (err) { printf("write of the count value returned error %u\r\n", err); return; } } void blink() { _alive_led = !_alive_led; } /** * Change led status. */ void change_led(void) { uint8_t led = 0; ble_error_t err = _led_char.get(*_server, led); if (err) { printf("read of the led value returned error %u\r\n", err); return; } } /* * Increment the hour counter. void increment_hour(void) { uint8_t hour = 0; ble_error_t err = _hour_char.get(*_server, hour); if (err) { printf("read of the hour value returned error %u\r\n", err); return; } hour = (hour + 1) % 24; err = _hour_char.set(*_server, hour); if (err) { printf("write of the hour value returned error %u\r\n", err); return; } } */ private: /** * Helper that construct an event handler from a member function of this * instance. */ template<typename Arg> FunctionPointerWithContext<Arg> as_cb(void (Self::*member)(Arg)) { return makeFunctionPointer(this, member); } /** * Read, Write, Notify, Indicate Characteristic declaration helper. * * @tparam T type of data held by the characteristic. */ template<typename T> class ReadWriteNotifyIndicateCharacteristic : public GattCharacteristic { public: /** * Construct a characteristic that can be read or written and emit * notification or indication. * * @param[in] uuid The UUID of the characteristic. * @param[in] initial_value Initial value contained by the characteristic. */ ReadWriteNotifyIndicateCharacteristic(const UUID & uuid, const T& initial_value) : GattCharacteristic( /* UUID */ uuid, /* Initial value */ &_value, /* Value size */ sizeof(_value), /* Value capacity */ sizeof(_value), /* Properties */ GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE, /* Descriptors */ NULL, /* Num descriptors */ 0, /* variable len */ false ), _value(initial_value) { } /** * Get the value of this characteristic. * * @param[in] server GattServer instance that contain the characteristic * value. * @param[in] dst Variable that will receive the characteristic value. * * @return BLE_ERROR_NONE in case of success or an appropriate error code. */ ble_error_t get(GattServer &server, T& dst) const { uint16_t value_length = sizeof(dst); return server.read(getValueHandle(), &dst, &value_length); } /** * Assign a new value to this characteristic. * * @param[in] server GattServer instance that will receive the new value. * @param[in] value The new value to set. * @param[in] local_only Flag that determine if the change should be kept * locally or forwarded to subscribed clients. */ ble_error_t set( GattServer &server, const uint8_t &value, bool local_only = false ) const { return server.write(getValueHandle(), &value, sizeof(value), local_only); } private: uint8_t _value; }; //ReadWriteNotifyIndicateCharacteristic<uint8_t> _hour_char; ReadWriteNotifyIndicateCharacteristic<uint8_t> _led_char; ReadWriteNotifyIndicateCharacteristic<uint8_t> _count_char; // list of the characteristics of the My service GattCharacteristic* _My_characteristics[2]; // demo service GattService _My_service; GattServer* _server; events::EventQueue *_event_queue; DigitalOut _alive_led; DigitalOut _actuated_led; }; int main() { BLE &ble_interface = BLE::Instance(); events::EventQueue event_queue; MyService demo_service; BLEProcess ble_process(event_queue, ble_interface); ble_process.on_init(callback(&demo_service, &MyService::start)); // bind the event queue to the ble interface, initialize the interface // and start advertising ble_process.start(); // Process the event queue. event_queue.dispatch_forever(); return 0; }