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amber 1.2.0

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* added USB-3006 support
* added DF2ET-3003 support
* reworked CVocodec::Init() for more flexible device pairing
* rewored CVocodecInterface instantiation for easier new device addition
This commit is contained in:
LX3JL 2017-11-05 18:18:48 +01:00
parent 6633a59a22
commit b870d0b91a
10 changed files with 644 additions and 308 deletions
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50
ambed/cusb3003interface.cpp
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@ -249,22 +249,46 @@ bool CUsb3003Interface::OpenDevice(void)
bool CUsb3003Interface::ResetDevice(void)
{
bool ok = false;
FT_STATUS ftStatus;
int len;
char rxpacket[100];
//if the device is a USB-3003, it supports reset via UART break signal
//printf("reset via uart break...\n");
ftStatus = FT_SetBreakOn( m_FtdiHandle );
CTimePoint::TaskSleepFor(10);
ftStatus = FT_SetBreakOff( m_FtdiHandle );
//CTimePoint::TaskSleepFor(10);
len = FTDI_read_packet( m_FtdiHandle, rxpacket, sizeof(rxpacket) );
ok = ((len == 7) && (rxpacket[4] == PKT_READY));
if ( !ok )
char zeropacket[10] =
{
std::cout << "USB-3003 hard reset failed" << std::endl;
0,0,0,0,0,0,0,0,0,0
};
char txpacket[7] =
{
PKT_HEADER,
0,
3,
0,
PKT_RESET,
PKT_PARITYBYTE,
3 ^ PKT_RESET ^ PKT_PARITYBYTE
};
//the chip might be in a state where it is waiting to receive bytes from a prior incomplete packet.
//first send 350 zeros in case, the chip's receive state is still waiting for characters
//if we send more than needed, the exta characters will just get discarded since they do not match the header byte
//after that we send PKT_RESET to reset the device
//As long as the AMBE3000 is able to receive via uart, this method will succeed in resetting it.
for ( int i = 0; i < 35 ; i++ )
{
FTDI_write_packet(m_FtdiHandle, zeropacket, sizeof(zeropacket));
}
// write soft-reset packet
if ( FTDI_write_packet(m_FtdiHandle, txpacket, sizeof(txpacket)) )
{
// read reply
len = FTDI_read_packet( m_FtdiHandle, rxpacket, sizeof(rxpacket) );
ok = ((len == 7) && (rxpacket[4] == PKT_READY));
if ( !ok )
{
std::cout << "USB-3003 soft reset failed" << std::endl;
}
}
// done