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Code Issues Releases Wiki Activity

improve PL2303 device type detection (#439)

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This commit is contained in:
kai-morich 2022-07-21 12:55:14 +02:00
parent b0e956c5b3
commit 1091b4d88b
1 changed files with 8 additions and 6 deletions
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14
usbSerialForAndroid/src/main/java/com/hoho/android/usbserial/driver/ProlificSerialDriver.java
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@ -299,12 +299,14 @@ public class ProlificSerialDriver implements UsbSerialDriver {
byte maxPacketSize0 = rawDescriptors[7];
if (mDevice.getDeviceClass() == 0x02 || maxPacketSize0 != 64) {
mDeviceType = DeviceType.DEVICE_TYPE_01;
} else if(deviceVersion == 0x300 && usbVersion == 0x200) {
mDeviceType = DeviceType.DEVICE_TYPE_T; // TA
} else if(deviceVersion == 0x500) {
mDeviceType = DeviceType.DEVICE_TYPE_T; // TB
} else if(usbVersion == 0x200 && !testHxStatus()) {
mDeviceType = DeviceType.DEVICE_TYPE_HXN;
} else if(usbVersion == 0x200) {
if(deviceVersion == 0x300 && testHxStatus()) {
mDeviceType = DeviceType.DEVICE_TYPE_T; // TA
} else if(deviceVersion == 0x500 && testHxStatus()) {
mDeviceType = DeviceType.DEVICE_TYPE_T; // TB
} else {
mDeviceType = DeviceType.DEVICE_TYPE_HXN;
}
} else {
mDeviceType = DeviceType.DEVICE_TYPE_HX;
}