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Add flush to the BLE UART Service #4990

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Merged
merged 1 commit into from
Sep 28, 2017
Merged

Add flush to the BLE UART Service #4990

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13 changes: 13 additions & 0 deletions features/FEATURE_BLE/ble/services/UARTService.h
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,19 @@ class UARTService {
return write(str, strlen(str));
}

/**
* Flush sendBuffer, i.e., forcefully write its contents to the UART RX
* characteristic even if the buffer is not full.
*/
void flush() {
if (ble.getGapState().connected) {
if (sendBufferIndex != 0) {
ble.gattServer().write(getRXCharacteristicHandle(), static_cast<const uint8_t *>(sendBuffer), sendBufferIndex);
sendBufferIndex = 0;
}
}
}

/**
* Override for Stream::_putc().
* @param c
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