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CP2102 sync operations added

pull/29/head
Felipe Herranz 2016-02-21 13:05:49 +01:00
rodzic 7b7537c9d9
commit 39bb876c96
1 zmienionych plików z 72 dodań i 47 usunięć
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119
usbserial/src/main/java/com/felhr/usbserial/CP2102SerialDevice.java
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@ -90,56 +90,29 @@ public class CP2102SerialDevice extends UsbSerialDevice
@Override
public boolean open()
{
if(connection.claimInterface(mInterface, true))
boolean ret = openCP2102();
if(ret)
{
Log.i(CLASS_ID, "Interface succesfully claimed");
// Initialize UsbRequest
requestIN = new UsbRequest();
requestIN.initialize(connection, inEndpoint);
// Restart the working thread if it has been killed before and get and claim interface
restartWorkingThread();
restartWriteThread();
// Create Flow control thread but it will only be started if necessary
createFlowControlThread();
// Pass references to the threads
setThreadsParams(requestIN, outEndpoint);
return true;
}else
{
Log.i(CLASS_ID, "Interface could not be claimed");
return false;
}
// Assign endpoints
int numberEndpoints = mInterface.getEndpointCount();
for(int i=0;i<=numberEndpoints-1;i++)
{
UsbEndpoint endpoint = mInterface.getEndpoint(i);
if(endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK
&& endpoint.getDirection() == UsbConstants.USB_DIR_IN)
{
inEndpoint = endpoint;
}else
{
outEndpoint = endpoint;
}
}
// Default Setup
if(setControlCommand(CP210x_IFC_ENABLE, CP210x_UART_ENABLE, null) < 0)
return false;
setBaudRate(DEFAULT_BAUDRATE);
if(setControlCommand(CP210x_SET_LINE_CTL, CP210x_LINE_CTL_DEFAULT,null) < 0)
return false;
setFlowControl(UsbSerialInterface.FLOW_CONTROL_OFF);
if(setControlCommand(CP210x_SET_MHS, CP210x_MHS_DEFAULT, null) < 0)
return false;
// Initialize UsbRequest
requestIN = new UsbRequest();
requestIN.initialize(connection, inEndpoint);
// Restart the working thread if it has been killed before and get and claim interface
restartWorkingThread();
restartWriteThread();
// Create Flow control thread but it will only be started if necessary
createFlowControlThread();
// Pass references to the threads
setThreadsParams(requestIN, outEndpoint);
return true;
}
@Override
@ -155,13 +128,25 @@ public class CP2102SerialDevice extends UsbSerialDevice
@Override
public boolean syncOpen()
{
return false;
boolean ret = openCP2102();
if(ret)
{
// Create Flow control thread but it will only be started if necessary
createFlowControlThread();
setSyncParams(inEndpoint, outEndpoint);
return true;
}else
{
return false;
}
}
@Override
public void syncClose()
{
setControlCommand(CP210x_IFC_ENABLE, CP210x_UART_DISABLE, null);
stopFlowControlThread();
connection.releaseInterface(mInterface);
}
@Override
@ -478,6 +463,46 @@ public class CP2102SerialDevice extends UsbSerialDevice
}
}
private boolean openCP2102()
{
if(connection.claimInterface(mInterface, true))
{
Log.i(CLASS_ID, "Interface succesfully claimed");
}else
{
Log.i(CLASS_ID, "Interface could not be claimed");
return false;
}
// Assign endpoints
int numberEndpoints = mInterface.getEndpointCount();
for(int i=0;i<=numberEndpoints-1;i++)
{
UsbEndpoint endpoint = mInterface.getEndpoint(i);
if(endpoint.getType() == UsbConstants.USB_ENDPOINT_XFER_BULK
&& endpoint.getDirection() == UsbConstants.USB_DIR_IN)
{
inEndpoint = endpoint;
}else
{
outEndpoint = endpoint;
}
}
// Default Setup
if(setControlCommand(CP210x_IFC_ENABLE, CP210x_UART_ENABLE, null) < 0)
return false;
setBaudRate(DEFAULT_BAUDRATE);
if(setControlCommand(CP210x_SET_LINE_CTL, CP210x_LINE_CTL_DEFAULT,null) < 0)
return false;
setFlowControl(UsbSerialInterface.FLOW_CONTROL_OFF);
if(setControlCommand(CP210x_SET_MHS, CP210x_MHS_DEFAULT, null) < 0)
return false;
return true;
}
private void createFlowControlThread()
{
flowControlThread = new FlowControlThread();