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dfu_java
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Android progress

This commit is contained in:
rusefi 2020-06-29 01:10:22 -04:00
parent 49600d0303
commit bee24af97d
1 changed files with 20 additions and 8 deletions
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28
src/main/java/com/rusefi/dfu/android/DfuDeviceLocator.java
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@ -1,14 +1,16 @@
package com.rusefi.dfu.android;
import android.hardware.usb.*;
import com.rusefi.dfu.DfuLogic;
import com.rusefi.dfu.LogUtil;
import org.apache.commons.logging.Log;
//import com.rusefi.dfu.LogUtil;
//import org.apache.commons.logging.Log;
public class DfuDeviceLocator {
private static final Log log = LogUtil.getLog(DfuDeviceLocator.class);
// private static final Log log = LogUtil.getLog(DfuDeviceLocator.class);
private static UsbDevice findDevice(UsbManager usbManager) {
public static UsbDevice findDevice(UsbManager usbManager) {
for (final UsbDevice usbDevice : usbManager.getDeviceList().values()) {
if (usbDevice.getVendorId() == DfuLogic.ST_VENDOR && usbDevice.getProductId() == DfuLogic.ST_DFU_PRODUCT) {
return usbDevice;
@ -18,24 +20,34 @@ public class DfuDeviceLocator {
}
public short xxx(UsbManager usbManager) {
UsbDevice dfuDevice = findDevice(usbManager);
public short openDfu(UsbManager usbManager, UsbDevice dfuDevice) {
for (int interfaceIndex = 0; interfaceIndex < dfuDevice.getInterfaceCount(); interfaceIndex++) {
UsbInterface usbInterface = dfuDevice.getInterface(interfaceIndex);
}
for (int interfaceIndex = 0; interfaceIndex < dfuDevice.getInterfaceCount(); interfaceIndex++) {
UsbInterface usbInterface = dfuDevice.getInterface(interfaceIndex);
if (usbInterface.getInterfaceClass() == DfuLogic.USB_CLASS_APP_SPECIFIC &&
usbInterface.getInterfaceSubclass() == DfuLogic.DFU_SUBCLASS) {
log.debug(String.format("Found DFU interface: " + usbInterface));
// log.debug(String.format("Found DFU interface: " + usbInterface));
UsbDeviceConnection connection = usbManager.openDevice(dfuDevice);
UsbInterface intf = dfuDevice.getInterface(0);
connection.claimInterface(intf, true);
byte[] rawDescs = connection.getRawDescriptors();
// todo: need proper handling of this rawDesc area since I have no clue what's the format
if (rawDescs.length != 72)
throw new IllegalStateException("Unexpected RawDescriptors length");
if (rawDescs[64] != DfuLogic.USB_DT_DFU)
throw new IllegalStateException("Unexpected USB_DT_DFU");
int transferSize = rawDescs[69] * 256 + rawDescs[68];
System.out.println(rawDescs + " " + transferSize);
}