Error 230
Dependencies: BLE_API mbed nRF51822
Fork of BLE_HeartRate by
main.cpp
- Committer:
- thegecko
- Date:
- 2014-08-08
- Revision:
- 40:626757c0bb3b
- Parent:
- 39:d0a7eb186652
File content as of revision 40:626757c0bb3b:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 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 "mbed.h" #include "BLEDevice.h" #include "ble_hrs.h" #include "ble_hts.h" BLEDevice ble; DigitalOut led1(LED1); #define NEED_CONSOLE_OUTPUT 0 /* Set this if you need debug messages on the console; * it will have an impact on code-size and power consumption. */ #if NEED_CONSOLE_OUTPUT Serial pc(USBTX, USBRX); #define DEBUG(...) { pc.printf(__VA_ARGS__); } #else #define DEBUG(...) /* nothing */ #endif /* #if NEED_CONSOLE_OUTPUT */ const static char DEVICE_NAME[] = "Rob's Tool"; /* Heart Rate Service */ /* Service: https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.heart_rate.xml */ /* HRM Char: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml */ /* Location: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.body_sensor_location.xml */ /* Temperature Service */ /* Service: https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.health_thermometer.xml */ /* Temp Char: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.temperature_measurement.xml */ /* Location: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.temperature_type.xml */ /* Heart Rate 1 */ static uint8_t bpm1[2] = {0x00, 80}; GattCharacteristic hrmRate1(GattCharacteristic::UUID_HEART_RATE_MEASUREMENT_CHAR, bpm1, sizeof(bpm1), sizeof(bpm1), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY); static uint8_t location1 = BLE_HRS_BODY_SENSOR_LOCATION_EAR_LOBE; GattCharacteristic hrmLocation1(GattCharacteristic::UUID_BODY_SENSOR_LOCATION_CHAR, (uint8_t *)&location1, sizeof(location1), sizeof(location1), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ); GattCharacteristic *hrmChars1[] = {&hrmRate1, &hrmLocation1, }; GattService hrmService1(GattService::UUID_HEART_RATE_SERVICE, hrmChars1, sizeof(hrmChars1) / sizeof(GattCharacteristic *)); /* Heart Rate 2 */ static uint8_t bpm2[2] = {0x00, 80}; GattCharacteristic hrmRate2(GattCharacteristic::UUID_HEART_RATE_MEASUREMENT_CHAR, bpm2, sizeof(bpm2), sizeof(bpm2), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY); static uint8_t location2 = BLE_HRS_BODY_SENSOR_LOCATION_HAND; GattCharacteristic hrmLocation2(GattCharacteristic::UUID_BODY_SENSOR_LOCATION_CHAR, (uint8_t *)&location2, sizeof(location2), sizeof(location2), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ); GattCharacteristic *hrmChars2[] = {&hrmRate2, &hrmLocation2, }; GattService hrmService2(GattService::UUID_HEART_RATE_SERVICE, hrmChars2, sizeof(hrmChars2) / sizeof(GattCharacteristic *)); /* Temperature */ static uint8_t temp[5] = {0, 0, 0, 0, 0}; GattCharacteristic recTemp(GattCharacteristic::UUID_TEMPERATURE_MEASUREMENT_CHAR, temp, sizeof(temp), sizeof(temp), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE); static uint8_t type = BLE_HTS_TEMP_TYPE_RECTUM; GattCharacteristic recType(GattCharacteristic::UUID_TEMPERATURE_TYPE_CHAR, (uint8_t *)&type, sizeof(type), sizeof(type), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ); GattCharacteristic *recChars[] = {&recTemp, &recType, }; GattService recService(GattService::UUID_HEALTH_THERMOMETER_SERVICE, recChars, sizeof(recChars) / sizeof(GattCharacteristic *)); /* List */ static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE, GattService::UUID_HEART_RATE_SERVICE, GattService::UUID_HEALTH_THERMOMETER_SERVICE}; static volatile bool triggerSensorPolling = false; /* set to high periodically to indicate to the main thread that * polling is necessary. */ static Gap::ConnectionParams_t connectionParams; void disconnectionCallback(Gap::Handle_t handle) { DEBUG("Disconnected handle %u!\n\r", handle); DEBUG("Restarting the advertising process\n\r"); ble.startAdvertising(); } void onConnectionCallback(Gap::Handle_t handle) { DEBUG("connected. Got handle %u\r\n", handle); connectionParams.slaveLatency = 1; if (ble.updateConnectionParams(handle, &connectionParams) != BLE_ERROR_NONE) { DEBUG("failed to update connection paramter\r\n"); } } /** * Triggered periodically by the 'ticker' interrupt. */ void periodicCallback(void) { led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ triggerSensorPolling = true; /* Note that the periodicCallback() executes in * interrupt context, so it is safer to do * heavy-weight sensor polling from the main * thread.*/ } uint32_t quick_ieee11073_from_float(float temperature) { uint8_t exponent = 0xFF; //exponent is -1 uint32_t mantissa = (uint32_t)(temperature*10); return ( ((uint32_t)exponent) << 24) | mantissa; } int main(void) { led1 = 1; Ticker ticker; ticker.attach(periodicCallback, 1); DEBUG("Initialising the nRF51822\n\r"); ble.init(); ble.onDisconnection(disconnectionCallback); ble.onConnection(onConnectionCallback); ble.getPreferredConnectionParams(&connectionParams); /* setup advertising */ ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t*)uuid16_list, sizeof(uuid16_list)); ble.accumulateAdvertisingPayload(GapAdvertisingData::HEART_RATE_SENSOR_HEART_RATE_BELT); ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); ble.setAdvertisingInterval(80); /* 100ms; in multiples of 0.625ms. */ ble.startAdvertising(); ble.addService(hrmService1); ble.addService(hrmService2); ble.addService(recService); while (true) { if (triggerSensorPolling) { triggerSensorPolling = false; /* Do blocking calls or whatever is necessary for sensor polling. */ /* In our case, we simply update the dummy HRM measurement. */ if (ble.getGapState().connected) { /* First byte = 8-bit values, no extra info, Second byte = uint8_t HRM value */ /* See --> https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml */ bpm1[1] = rand() % 40 + 60; ble.updateCharacteristicValue(hrmRate1.getHandle(), bpm1, sizeof(bpm1)); bpm2[1] = rand() % 40 + 60; ble.updateCharacteristicValue(hrmRate2.getHandle(), bpm2, sizeof(bpm2)); float f = (rand() % 20 + 360) / 10.0f; uint32_t tem = quick_ieee11073_from_float(f); memcpy(temp+1, &tem, 4); ble.updateCharacteristicValue(recTemp.getHandle(), temp, sizeof(temp)); } } else { ble.waitForEvent(); } } }