diff options
Diffstat (limited to 'bluetooth/hci_protocol.cc')
-rw-r--r-- | bluetooth/hci_protocol.cc | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/bluetooth/hci_protocol.cc b/bluetooth/hci_protocol.cc deleted file mode 100644 index cd709b43..00000000 --- a/bluetooth/hci_protocol.cc +++ /dev/null @@ -1,74 +0,0 @@ -// -// Copyright 2017 The Android Open Source Project -// -// 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 "hci_protocol.h" - -#define LOG_TAG "android.hardware.bluetooth-hci-hci_protocol" -#include <android-base/logging.h> -#include <assert.h> -#include <fcntl.h> -#include <utils/Log.h> - -namespace { - -const size_t preamble_size_for_type[] = { - 0, HCI_COMMAND_PREAMBLE_SIZE, HCI_ACL_PREAMBLE_SIZE, HCI_SCO_PREAMBLE_SIZE, - HCI_EVENT_PREAMBLE_SIZE}; -const size_t packet_length_offset_for_type[] = { - 0, HCI_LENGTH_OFFSET_CMD, HCI_LENGTH_OFFSET_ACL, HCI_LENGTH_OFFSET_SCO, - HCI_LENGTH_OFFSET_EVT}; - -size_t HciGetPacketLengthForType(HciPacketType type, const uint8_t* preamble) { - size_t offset = packet_length_offset_for_type[type]; - if (type != HCI_PACKET_TYPE_ACL_DATA) return preamble[offset]; - return (((preamble[offset + 1]) << 8) | preamble[offset]); -} - -} // namespace - -namespace android { -namespace hardware { -namespace bluetooth { -namespace hci { - -size_t HciProtocol::WriteSafely(int fd, const uint8_t* data, size_t length) { - size_t transmitted_length = 0; - while (length > 0) { - ssize_t ret = - TEMP_FAILURE_RETRY(write(fd, data + transmitted_length, length)); - - if (ret == -1) { - if (errno == EAGAIN) continue; - ALOGE("%s error writing to UART (%s)", __func__, strerror(errno)); - break; - - } else if (ret == 0) { - // Nothing written :( - ALOGE("%s zero bytes written - something went wrong...", __func__); - break; - } - - transmitted_length += ret; - length -= ret; - } - - return transmitted_length; -} - -} // namespace hci -} // namespace bluetooth -} // namespace hardware -} // namespace android |