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- update targetInDebugMode when parsing the result of a transfer

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- update maxNofWordsFastDownload in getMaxNofWordsFastDownload

git-svn-id: https://svn.code.sf.net/p/libusbjava/code/trunk@121 94ad28fe-ef68-46b1-9651-e7ae4fcf1c4c
This commit is contained in:
schlaepfer
2006-04-04 07:29:48 +00:00
parent aea0fc61e7
commit c8e95bba3f
1 changed files with 22 additions and 2 deletions
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24
mcdp/src/ch/ntb/mcdp/bdi/MPC555.java
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@@ -208,7 +208,10 @@ public class MPC555 {
throw new BDIException("ready bit is not 0: 0x"
+ Integer.toHexString(data.data[0] & 0xFF));
}
// status[0:1]
switch ((data.data[0] >>> 5) & 0x03) {
// for status 1 to 3, the first bit (after status) indicates the freeze
// status, and the second bit if a download procedure is in progress
case 0:
// first byte
int retValue = (((data.data[0] << 3) & 0xFF) + ((data.data[1] & 0xFF) >>> 5)) << 24;
@@ -221,10 +224,19 @@ public class MPC555 {
+ ((data.data[4] & 0xFF) >>> 5);
return retValue;
case 1:
// update freeze status
targetInDebugMode = (data.data[0] & 0x10) > 0;
logger.finer("targetInDebugMode: " + targetInDebugMode);
throw new BDIException("Sequencing Error: " + data.toString());
case 2:
// update freeze status
targetInDebugMode = (data.data[0] & 0x10) > 0;
logger.finer("targetInDebugMode: " + targetInDebugMode);
throw new BDIException("CPU Exception: " + data.toString());
case 3:
// update freeze status
targetInDebugMode = (data.data[0] & 0x10) > 0;
logger.finer("targetInDebugMode: " + targetInDebugMode);
return NULL_INDICATION;
default:
throw new BDIException("invalid case");
@@ -376,9 +388,10 @@ public class MPC555 {
ecr = transferAndParse35(false, false, NOP);
// check if entry into debug mode was because of DPI
// User's Manual 21.7.11 ECR
logger.fine("ecr: " + ecr);
if (ecr != 0x01) {
throw new BDIException(
"Wrong debug enable cause (not due to DPI): Exception Cause Register = 0x"
"Wrong debug enable cause (not because of DPI): Exception Cause Register = 0x"
+ Integer.toHexString(ecr));
}
targetInDebugMode = true;
@@ -949,9 +962,16 @@ public class MPC555 {
/**
* @return number of maximal words used in the <code>fastDownload</code>
* procedure
* procedure<br>
* Note that this procedure only returns a valid value if the device
* is already connected (the USB bulk transfer size must be known).
*/
public int getMaxNofWordsFastDownload() {
if (maxNofWordsFastDownload <= 0) {
maxNofWordsFastDownload = ((device.getMaxPacketSize() - DataPacket.PACKET_MIN_LENGTH) / BDI_DATA35_LENGTH);
logger.finer("update maxNofWordsFastDownload: "
+ maxNofWordsFastDownload);
}
return maxNofWordsFastDownload;
}
}