/**
* Constructor for the UARTService.
* @param _ble an instance of BLEDevice
* @param rxBufferSize the size of the rxBuffer
* @param txBufferSize the size of the txBuffer
*
* @note defaults to 20
*/
MicroBitUARTService::MicroBitUARTService(BLEDevice &_ble, uint8_t rxBufferSize, uint8_t txBufferSize) : ble(_ble)
{
rxBufferSize += 1;
txBufferSize += 1;
txBuffer = (uint8_t *)malloc(txBufferSize);
rxBuffer = (uint8_t *)malloc(rxBufferSize);
rxBufferHead = 0;
rxBufferTail = 0;
this->rxBufferSize = rxBufferSize;
txBufferHead = 0;
txBufferTail = 0;
this->txBufferSize = txBufferSize;
GattCharacteristic rxCharacteristic(UARTServiceRXCharacteristicUUID, rxBuffer, 1, rxBufferSize, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE);
txCharacteristic = new GattCharacteristic(UARTServiceTXCharacteristicUUID, txBuffer, 1, txBufferSize, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE);
GattCharacteristic *charTable[] = {txCharacteristic, &rxCharacteristic};
GattService uartService(UARTServiceUUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
_ble.addService(uartService);
this->rxCharacteristicHandle = rxCharacteristic.getValueAttribute().getHandle();
_ble.gattServer().onDataWritten(this, &MicroBitUARTService::onDataWritten);
_ble.gattServer().onConfirmationReceived(on_confirmation);
}
int main() {
ble.init();
ble.onConnection(onConnection);
ble.onDisconnection(onDisconnection);
ble.onDataWritten(onDataWritten);
ble.accumulateAdvertisingPayload(
GapAdvertisingData::BREDR_NOT_SUPPORTED);
ble.setAdvertisingType(
GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
ble.accumulateAdvertisingPayload(
GapAdvertisingData::SHORTENED_LOCAL_NAME,
(const uint8_t *)NAME,
sizeof(NAME) - 1);
ble.accumulateAdvertisingPayload(
GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
(const uint8_t *)UARTServiceUUID_reversed,
sizeof(UARTServiceUUID_reversed));
ble.accumulateScanResponse(
GapAdvertisingData::SHORTENED_LOCAL_NAME,
(const uint8_t *)NAME,
sizeof(NAME) - 1);
ble.accumulateScanResponse(
GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
(const uint8_t *)UARTServiceUUID_reversed,
sizeof(UARTServiceUUID_reversed));
ble.setDeviceName((const uint8_t *)NAME);
ble.setAdvertisingInterval(Gap::MSEC_TO_GAP_DURATION_UNITS(1000));
ble.startAdvertising();
UARTService uartService(ble);
uartServicePtr = &uartService;
while (true) {
ble.waitForEvent();
}
}
int main(void)
{
blue = LED_ON;
green = LED_OFF;
#if BUTTON_DOWN
button.mode(PullDown);
button.rise(button_wakeup);
#else
button.mode(PullUp);
button.fall(button_wakeup);
#endif
DEBUG("Initialising the nRF51822\n\r");
ble.init();
ble.onConnection(connectionCallback);
ble.onDisconnection(disconnectionCallback);
ble.onDataWritten(onDataWritten);
/* setup advertising */
ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
(const uint8_t *)BLE_NAME, sizeof(BLE_NAME));
ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
ble.startAdvertising();
/* Enable over-the-air firmware updates. Instantiating DFUSservice introduces a
* control characteristic which can be used to trigger the application to
* handover control to a resident bootloader. */
DFUService dfu(ble);
UARTService uartService(ble);
uartServicePtr = &uartService;
blue_led_time_to_off = 3000 / TICK_PERIOD_MS;
Ticker ticker;
ticker.attach_us(tick, TICK_PERIOD_MS * 1000);
while (true) {
if (button_event) {
int click;
blue = LED_ON;
click = button_detect();
blue = LED_OFF;
DEBUG("click type: %d\n\r", click);
button_event = false;
if (1 == click) {
single_click_input = current_input;
} else if (2 == click) {
double_click_input = current_input;
green = LED_ON;
green_led_time_to_off = 1000 / TICK_PERIOD_MS;
} else if (-1 == click) {
while (BUTTON_DOWN == button.read()) {
}
nrf_delay_us(3000);
power_down();
} else {
continue;
}
DEBUG("typical input: %f, %f\n\r", single_click_input, double_click_input);
threshold_update = 1;
} else {
ble.waitForEvent();
}
}
}
