mcdp moved to trunk
git-svn-id: https://svn.code.sf.net/p/libusbjava/code/trunk@31 94ad28fe-ef68-46b1-9651-e7ae4fcf1c4c
This commit is contained in:
schlaepfer
264
mcdp/src/ch/ntb/usb/USB.java
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264
mcdp/src/ch/ntb/usb/USB.java
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package ch.ntb.usb;
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import ch.ntb.usb.LibusbWin;
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import ch.ntb.usb.Usb_Bus;
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import ch.ntb.usb.Usb_Device;
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import ch.ntb.usb.Usb_Device_Descriptor;
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public class USB {
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public static final int MAX_DATA_SIZE = 512;
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private static final int TIMEOUT_ERROR_CODE = -116;
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private static final boolean DEBUG_ON = false;
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private static Usb_Bus bus;
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private static int usb_dev_handle = 0;
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private static short IdVendor = -1;
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private static short IdProduct = -1;
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private static int Timeout = 3000;
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private static int Configuration = -1;
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private static int Interface = -1;
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private static int Altinterface = -1;
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private static int OUT_Endpoint = -1;
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private static int IN_Endpoint = -1;
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public static void reset() {
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bus = null;
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usb_dev_handle = 0;
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if (DEBUG_ON) {
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System.out.println("reset done");
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}
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}
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public static void openUsbDevice() throws USBException {
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int res;
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// open bus
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if (bus == null) {
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LibusbWin.usb_init();
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LibusbWin.usb_find_busses();
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LibusbWin.usb_find_devices();
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bus = LibusbWin.usb_get_busses();
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if (bus == null) {
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throw new USBException("LibusbWin.usb_get_busses(): "
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+ LibusbWin.usb_strerror());
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}
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}
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// search for device
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if (usb_dev_handle <= 0) {
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while (bus != null) {
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Usb_Device dev = bus.devices;
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while (dev != null) {
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// Usb_Device_Descriptor
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Usb_Device_Descriptor defDesc = dev.descriptor;
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if ((defDesc.idVendor == IdVendor)
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&& (defDesc.idProduct == IdProduct)) {
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if (DEBUG_ON) {
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System.out.println("Open device: " + dev.filename);
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}
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res = LibusbWin.usb_open(dev);
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if (res <= 0) {
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throw new USBException("LibusbWin.usb_open: "
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+ LibusbWin.usb_strerror());
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} else {
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usb_dev_handle = res;
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}
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}
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dev = dev.next;
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}
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bus = bus.next;
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}
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if (usb_dev_handle <= 0) {
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throw new USBException("UsbDevice with idVendor " + IdVendor
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+ " and idProduct " + IdProduct + " not found");
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}
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}
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claim_interface(usb_dev_handle, Configuration, Interface, Altinterface);
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if (DEBUG_ON) {
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System.out.println("device opened, interface claimed");
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}
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}
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public static void closeUsbDevice() throws USBException {
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release_interface(usb_dev_handle, Interface);
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if (LibusbWin.usb_close(usb_dev_handle) < 0) {
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throw new USBException("LibusbWin.usb_close: "
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+ LibusbWin.usb_strerror());
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}
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if (DEBUG_ON) {
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System.out.println("device closed");
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}
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}
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public static void resetUsbDevie() throws USBException {
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if (LibusbWin.usb_reset(usb_dev_handle) < 0) {
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throw new USBException("LibusbWin.usb_reset: "
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+ LibusbWin.usb_strerror());
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}
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if (DEBUG_ON) {
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System.out.println("resetUsbDevie done");
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}
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}
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public static void write(byte[] data, int length) throws USBException {
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if (data == null) {
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throw new USBException("data must not be null");
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}
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if (length <= 0) {
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throw new USBException("size must be > 0");
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}
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int lenWritten = LibusbWin.usb_bulk_write(usb_dev_handle, OUT_Endpoint,
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data, length, Timeout);
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if (lenWritten < 0) {
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if (lenWritten == TIMEOUT_ERROR_CODE) {
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throw new USBTimeoutException("LibusbWin.usb_bulk_write: "
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+ LibusbWin.usb_strerror());
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}
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throw new USBException("LibusbWin.usb_bulk_write: "
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+ LibusbWin.usb_strerror());
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}
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if (DEBUG_ON) {
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System.out.print("write_bulkdata: " + lenWritten + " Bytes sent: ");
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for (int i = 0; i < lenWritten; i++) {
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System.out.print("0x" + String.format("%1$02X", data[i]) + " ");
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}
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System.out.println();
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}
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}
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public static int read(byte[] data, int size) throws USBException {
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if (data == null) {
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throw new USBException("data must not be null");
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}
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if (size <= 0) {
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throw new USBException("size must be > 0");
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}
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int lenRead = LibusbWin.usb_bulk_read(usb_dev_handle, IN_Endpoint,
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data, size, Timeout);
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if (lenRead < 0) {
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if (lenRead == TIMEOUT_ERROR_CODE) {
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throw new USBTimeoutException("LibusbWin.usb_bulk_read: "
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+ LibusbWin.usb_strerror());
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}
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throw new USBException("LibusbWin.usb_bulk_read: "
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+ LibusbWin.usb_strerror());
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}
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if (DEBUG_ON) {
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System.out.print("read_bulkdata: " + lenRead + " Bytes received: ");
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System.out.print("Data: ");
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for (int i = 0; i < lenRead; i++) {
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System.out.print("0x" + String.format("%1$02X", data[i]) + " ");
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}
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System.out.println();
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}
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return lenRead;
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}
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private static void claim_interface(int dev_handle, int configuration,
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int interface_, int altinterface) throws USBException {
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if (LibusbWin.usb_set_configuration(usb_dev_handle, configuration) < 0) {
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throw new USBException("LibusbWin.usb_set_configuration: "
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+ LibusbWin.usb_strerror());
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}
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if (LibusbWin.usb_claim_interface(dev_handle, interface_) < 0) {
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throw new USBException("LibusbWin.usb_claim_interface: "
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+ LibusbWin.usb_strerror());
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}
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if (LibusbWin.usb_set_altinterface(dev_handle, altinterface) < 0) {
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throw new USBException("LibusbWin.usb_set_altinterface: "
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+ LibusbWin.usb_strerror());
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}
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}
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private static void release_interface(int dev_handle, int interface_)
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throws USBException {
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if (LibusbWin.usb_release_interface(dev_handle, interface_) < 0) {
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throw new USBException("LibusbWin.usb_release_interface: "
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+ LibusbWin.usb_strerror());
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}
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}
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public static short getIdProduct() {
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return IdProduct;
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}
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public static void setIdProduct(short idProduct) {
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IdProduct = idProduct;
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}
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public static short getIdVendor() {
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return IdVendor;
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}
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public static void setIdVendor(short idVendor) {
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IdVendor = idVendor;
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}
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public static int getConfiguration() {
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return Configuration;
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}
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public static void setConfiguration(int configuration) {
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Configuration = configuration;
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}
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public static int getIN_Endpoint() {
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return IN_Endpoint;
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}
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public static void setIN_Endpoint(int in_endpoint) {
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IN_Endpoint = in_endpoint;
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}
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public static int getInterface() {
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return Interface;
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}
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public static void setInterface(int interface_) {
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Interface = interface_;
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}
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public static int getOUT_Endpoint() {
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return OUT_Endpoint;
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}
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public static void setOUT_Endpoint(int out_endpoint) {
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OUT_Endpoint = out_endpoint;
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}
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public static int getTimeout() {
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return Timeout;
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}
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public static void setTimeout(int timeout) {
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Timeout = timeout;
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}
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public static int getAltinterface() {
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return Altinterface;
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}
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public static void setAltinterface(int altinterface) {
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Altinterface = altinterface;
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}
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}
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