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Code Issues Releases Wiki Activity

Fix off-by-one error in filterStatusBytes.

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Closes #74.
This commit is contained in:
mike w 2014-11-10 10:24:53 -05:00
parent f6f7e2600a
commit ef13784f4f
1 changed files with 1 additions and 1 deletions
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2
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/FtdiSerialDriver.java
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@ -210,7 +210,7 @@ public class FtdiSerialDriver implements UsbSerialDriver {
* @return The number of payload bytes * @return The number of payload bytes
*/ */
private final int filterStatusBytes(byte[] src, byte[] dest, int totalBytesRead, int maxPacketSize) { private final int filterStatusBytes(byte[] src, byte[] dest, int totalBytesRead, int maxPacketSize) {
final int packetsCount = totalBytesRead / maxPacketSize + 1; final int packetsCount = totalBytesRead / maxPacketSize + (totalBytesRead % maxPacketSize == 0 ? 0 : 1);
for (int packetIdx = 0; packetIdx < packetsCount; ++packetIdx) { for (int packetIdx = 0; packetIdx < packetsCount; ++packetIdx) {
final int count = (packetIdx == (packetsCount - 1)) final int count = (packetIdx == (packetsCount - 1))
? (totalBytesRead % maxPacketSize) - MODEM_STATUS_HEADER_LENGTH ? (totalBytesRead % maxPacketSize) - MODEM_STATUS_HEADER_LENGTH