Merge remote-tracking branch 'upstream/master' into obcfailsafe

This commit is contained in:
Thomas Gubler 2014-08-30 11:47:23 +02:00
commit fe0642d5e9
8 changed files with 44 additions and 30 deletions

View File

@ -287,8 +287,7 @@ CONFIG_STM32_USART_SINGLEWIRE=y
#
# CONFIG_STM32_I2C_DYNTIMEO is not set
CONFIG_STM32_I2CTIMEOSEC=0
CONFIG_STM32_I2CTIMEOMS=10
CONFIG_STM32_I2CTIMEOTICKS=500
CONFIG_STM32_I2CTIMEOMS=1
# CONFIG_STM32_I2C_DUTY16_9 is not set
#

View File

@ -323,8 +323,7 @@ CONFIG_STM32_USART_SINGLEWIRE=y
#
# CONFIG_STM32_I2C_DYNTIMEO is not set
CONFIG_STM32_I2CTIMEOSEC=0
CONFIG_STM32_I2CTIMEOMS=10
CONFIG_STM32_I2CTIMEOTICKS=500
CONFIG_STM32_I2CTIMEOMS=1
# CONFIG_STM32_I2C_DUTY16_9 is not set
#

View File

@ -133,6 +133,8 @@ CONFIG_STM32_USART2=y
CONFIG_STM32_USART3=y
CONFIG_STM32_I2C1=y
CONFIG_STM32_I2C2=n
CONFIG_STM32_I2CTIMEOSEC=0
CONFIG_STM32_I2CTIMEOMS=1
CONFIG_STM32_BKP=n
CONFIG_STM32_PWR=n
CONFIG_STM32_DAC=n

View File

@ -114,7 +114,7 @@ MavlinkFTP::_worker(Request *req)
uint32_t messageCRC;
// basic sanity checks; must validate length before use
if ((hdr->magic != kProtocolMagic) || (hdr->size > kMaxDataLength)) {
if (hdr->size > kMaxDataLength) {
errorCode = kErrNoRequest;
goto out;
}
@ -122,6 +122,9 @@ MavlinkFTP::_worker(Request *req)
// check request CRC to make sure this is one of ours
messageCRC = hdr->crc32;
hdr->crc32 = 0;
hdr->padding[0] = 0;
hdr->padding[1] = 0;
hdr->padding[2] = 0;
if (crc32(req->rawData(), req->dataSize()) != messageCRC) {
errorCode = kErrNoRequest;
goto out;
@ -199,10 +202,13 @@ MavlinkFTP::_reply(Request *req)
{
auto hdr = req->header();
hdr->magic = kProtocolMagic;
hdr->seqNumber = req->header()->seqNumber + 1;
// message is assumed to be already constructed in the request buffer, so generate the CRC
hdr->crc32 = 0;
hdr->padding[0] = 0;
hdr->padding[1] = 0;
hdr->padding[2] = 0;
hdr->crc32 = crc32(req->rawData(), req->dataSize());
// then pack and send the reply back to the request source

View File

@ -38,9 +38,6 @@
*
* MAVLink remote file server.
*
* Messages are wrapped in ENCAPSULATED_DATA messages. Every message includes
* a session ID and sequence number.
*
* A limited number of requests (currently 2) may be outstanding at a time.
* Additional messages will be discarded.
*
@ -74,16 +71,19 @@ private:
static MavlinkFTP *_server;
/// @brief Trying to pack structures across differing compilers is questionable for Clients, so we pad the
/// structure ourselves to 32 bit alignment which should get us what we want.
struct RequestHeader
{
uint8_t magic;
uint8_t session;
uint8_t opcode;
uint8_t size;
uint32_t crc32;
uint32_t offset;
{
uint16_t seqNumber; ///< sequence number for message
uint8_t session; ///< Session id for read and write commands
uint8_t opcode; ///< Command opcode
uint8_t size; ///< Size of data
uint8_t padding[3];
uint32_t crc32; ///< CRC for entire Request structure, with crc32 and padding set to 0
uint32_t offset; ///< Offsets for List and Read commands
uint8_t data[];
};
};
enum Opcode : uint8_t
{
@ -131,10 +131,11 @@ private:
};
bool decode(Mavlink *mavlink, mavlink_message_t *fromMessage) {
if (fromMessage->msgid == MAVLINK_MSG_ID_ENCAPSULATED_DATA) {
if (fromMessage->msgid == MAVLINK_MSG_ID_FILE_TRANSFER_PROTOCOL) {
_systemId = fromMessage->sysid;
_mavlink = mavlink;
mavlink_msg_encapsulated_data_decode(fromMessage, &_message);
return true;
mavlink_msg_file_transfer_protocol_decode(fromMessage, &_message);
return _message.target_system == _mavlink->get_system_id();
}
return false;
}
@ -145,8 +146,14 @@ private:
// flat memory architecture, as we're operating between threads here.
mavlink_message_t msg;
msg.checksum = 0;
unsigned len = mavlink_msg_encapsulated_data_pack_chan(_mavlink->get_system_id(), _mavlink->get_component_id(),
_mavlink->get_channel(), &msg, sequence()+1, rawData());
unsigned len = mavlink_msg_file_transfer_protocol_pack_chan(_mavlink->get_system_id(), // Sender system id
_mavlink->get_component_id(), // Sender component id
_mavlink->get_channel(), // Channel to send on
&msg, // Message to pack payload into
0, // Target network
_systemId, // Target system id
0, // Target component id
rawData()); // Payload to pack into message
_mavlink->lockMessageBufferMutex();
bool success = _mavlink->message_buffer_write(&msg, len);
@ -167,26 +174,25 @@ private:
#endif
}
uint8_t *rawData() { return &_message.data[0]; }
RequestHeader *header() { return reinterpret_cast<RequestHeader *>(&_message.data[0]); }
uint8_t *rawData() { return &_message.payload[0]; }
RequestHeader *header() { return reinterpret_cast<RequestHeader *>(&_message.payload[0]); }
uint8_t *requestData() { return &(header()->data[0]); }
unsigned dataSize() { return header()->size + sizeof(RequestHeader); }
uint16_t sequence() const { return _message.seqnr; }
mavlink_channel_t channel() { return _mavlink->get_channel(); }
char *dataAsCString();
private:
Mavlink *_mavlink;
mavlink_encapsulated_data_t _message;
mavlink_file_transfer_protocol_t _message;
uint8_t _systemId;
};
static const uint8_t kProtocolMagic = 'f';
static const char kDirentFile = 'F';
static const char kDirentDir = 'D';
static const char kDirentUnknown = 'U';
static const uint8_t kMaxDataLength = MAVLINK_MSG_ENCAPSULATED_DATA_FIELD_DATA_LEN - sizeof(RequestHeader);
static const uint8_t kMaxDataLength = MAVLINK_MSG_FILE_TRANSFER_PROTOCOL_FIELD_PAYLOAD_LEN - sizeof(RequestHeader);
/// Request worker; runs on the low-priority work queue to service
/// remote requests.

View File

@ -172,7 +172,7 @@ MavlinkReceiver::handle_message(mavlink_message_t *msg)
handle_message_request_data_stream(msg);
break;
case MAVLINK_MSG_ID_ENCAPSULATED_DATA:
case MAVLINK_MSG_ID_FILE_TRANSFER_PROTOCOL:
MavlinkFTP::getServer()->handle_message(_mavlink, msg);
break;

View File

@ -62,6 +62,8 @@ void adjustUtc(uavcan::UtcDuration adjustment)
(void)adjustment;
}
uavcan::uint64_t getUtcUSecFromCanInterrupt();
uavcan::uint64_t getUtcUSecFromCanInterrupt()
{
return 0;

2
uavcan

@ -1 +1 @@
Subproject commit c7872def16e82a8b318d571829fe9622e2d35ff0
Subproject commit c4c14c60fbbd9acd281ee97d5bb2a4027d0ae2d9