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extension.cpp
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extension.cpp
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#include "pxt.h"
#include "TemperatureSensorService.h"
namespace bluetooth {
TemperatureSensorService* _pService = NULL;
Action _handler;
void updateTemperature() {
while (NULL != _pService) {
// run action that updates the temperature
pxt::runAction0(_handler);
// raise event to trigger notification
MicroBitEvent ev(MICROBIT_ID_SENSOR_TEMPERATURE, MICROBIT_THERMOMETER_EVT_UPDATE);
// wait period
fiber_sleep(_pService->getPeriod());
}
}
/**
* Starts a custom sensor service. The handler must call ``setSensorTemperature``
* to update the temperature sent to the service.
*/
//% blockId=bluetooth_startTemperatureSensorService block="bluetooth temperature sensor service"
void startTemperatureSensorService(Action handler) {
if (NULL != _pService) return;
_pService = new TemperatureSensorService(*uBit.ble);
_handler = handler;
pxt::incr(_handler);
create_fiber(updateTemperature);
}
/**
* Sets the current temperature value on the external temperature sensor
*/
//% blockId=bluetooth_setTemperatureSensorValue block="bluetooth set temperature sensor value (°C) %temperature"
void setTemperatureSensorValue(int temperature) {
if (NULL == _pService) return;
_pService->setTemperature(temperature);
}
}