kopia lustrzana https://github.com/mik3y/usb-serial-for-android
implement CP21xx input control lines
open() CP21xx without RTS, DTR setpull/297/head v2.3.0
kai-morich
rodzic
7423fd9d79
commit
a1e58b9843
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@ -22,7 +22,7 @@ dependencies {
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androidTestImplementation 'com.android.support:support-annotations:28.0.0'
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androidTestImplementation 'com.android.support.test:runner:1.0.2'
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androidTestImplementation 'commons-net:commons-net:3.6'
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androidTestImplementation 'org.apache.commons:commons-lang3:3.8.1'
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androidTestImplementation 'org.apache.commons:commons-lang3:3.8.1' // starting with 3.9 requires min-api 26
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}
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//apply from: 'publishToMavenLocal.gradle'
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@ -61,6 +61,7 @@ import java.util.LinkedList;
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import java.util.List;
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import java.util.concurrent.Executors;
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import static org.hamcrest.CoreMatchers.anyOf;
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import static org.hamcrest.CoreMatchers.equalTo;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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@ -1240,13 +1241,17 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
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Thread.sleep(50);
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while(data.length()==0 || data.charAt(data.length()-1)!='d')
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data.append(new String(telnetRead()));
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Log.i(TAG, "purgeHwBuffers " + purged + ": " + buf.length+1 + " -> " + data.length());
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Log.i(TAG, "purgeHwBuffers " + purged + ": " + (buf.length+3) + " -> " + data.length());
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assertTrue(data.length() > 5);
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if(purged)
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assertTrue(data.length() < buf.length+1);
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else
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if(purged) {
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if(usbSerialDriver instanceof Cp21xxSerialDriver && usbSerialDriver.getPorts().size() == 1) // only working on some devices/ports
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assertTrue(data.length() < buf.length + 1 || data.length() == buf.length + 3);
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else
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assertTrue(data.length() < buf.length + 1);
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} else {
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assertEquals(data.length(), buf.length + 3);
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}
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// purge read buffer
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usbClose();
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@ -1266,7 +1271,8 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
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} else if(usbSerialDriver.getPorts().size() > 1) {
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assertThat(usbRead(1), equalTo("y".getBytes())); // cp2105/0
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} else {
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assertThat(usbRead(2), equalTo("xy".getBytes())); // cp2102
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assertThat(usbRead(2), anyOf(equalTo("xy".getBytes()), // cp2102
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equalTo("y".getBytes()))); // cp2102
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}
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} else {
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assertThat(usbRead(1), equalTo("y".getBytes()));
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@ -1408,6 +1414,7 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
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usbClose();
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// date loss with high transfer rate and short read timeout !!!
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diffLen = readSpeedInt(5, shortTimeout);
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assertNotEquals(0, diffLen);
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// data loss observed with read timeout up to 200 msec, e.g.
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@ -1498,7 +1505,7 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
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wrongSerialPort.open(wrongDeviceConnection);
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if(usbSerialDriver instanceof Cp21xxSerialDriver)
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wrongSerialPort.setParameters(115200, UsbSerialPort.DATABITS_8, UsbSerialPort.STOPBITS_1, UsbSerialPort.PARITY_NONE); // ch340 fails here
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fail("error expected");
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//fail("error expected"); // only fails on some devices
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} catch (IOException ignored) {
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}
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try {
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@ -1552,11 +1559,15 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
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int sleep = 10;
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// output lines are supported by all drivers
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// input lines are supported by all drivers except CDC
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boolean inputLinesSupported = false;
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boolean inputLinesConnected = false;
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if (usbSerialDriver instanceof FtdiSerialDriver) {
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inputLinesSupported = true;
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inputLinesConnected = usbSerialDriver.getPorts().size()==2; // I only have 74LS138 connected at FT2232
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inputLinesConnected = usbSerialDriver.getPorts().size() == 2; // I only have 74LS138 connected at FT2232
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} else if (usbSerialDriver instanceof Cp21xxSerialDriver) {
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inputLinesSupported = true;
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inputLinesConnected = usbSerialDriver.getPorts().size()==1; // I only have 74LS138 connected at CP2102
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} else if (usbSerialDriver instanceof ProlificSerialDriver) {
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inputLinesSupported = true;
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inputLinesConnected = true;
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@ -1572,6 +1583,9 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
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supportedControlLines.add(UsbSerialPort.ControlLine.RI);
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}
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// UsbSerialProber creates new UsbSerialPort objects which resets control lines,
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// so the initial open has the output control lines unset.
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// On additional close+open the output control lines can be retained.
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usbOpen(EnumSet.of(UsbOpenFlags.NO_CONTROL_LINE_INIT));
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usbParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
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telnetParameters(19200, 8, 1, UsbSerialPort.PARITY_NONE);
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@ -1586,6 +1600,8 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
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Thread.sleep(sleep);
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assertTrue(usbSerialPort.getRI());
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}
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// control lines reset on initial open
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data = "none".getBytes();
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assertEquals(inputLinesConnected
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? EnumSet.of(UsbSerialPort.ControlLine.RI)
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@ -1661,7 +1677,7 @@ public class DeviceTest implements SerialInputOutputManager.Listener {
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usbWrite(data);
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assertThat(Arrays.toString(data), telnetRead(4), equalTo(data));
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// state retained over close/open
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// control lines retained over close+open
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boolean inputRetained = inputLinesConnected;
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boolean outputRetained = true;
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if(usbSerialDriver instanceof FtdiSerialDriver)
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@ -61,28 +61,26 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
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public class Cp21xxSerialPort extends CommonUsbSerialPort {
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private static final int DEFAULT_BAUD_RATE = 9600;
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private static final int USB_WRITE_TIMEOUT_MILLIS = 5000;
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/*
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* Configuration Request Types
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*/
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private static final int REQTYPE_HOST_TO_DEVICE = 0x41;
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private static final int REQTYPE_DEVICE_TO_HOST = 0xc1;
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/*
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* Configuration Request Codes
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*/
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private static final int SILABSER_IFC_ENABLE_REQUEST_CODE = 0x00;
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private static final int SILABSER_SET_BAUDDIV_REQUEST_CODE = 0x01;
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private static final int SILABSER_SET_LINE_CTL_REQUEST_CODE = 0x03;
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private static final int SILABSER_SET_MHS_REQUEST_CODE = 0x07;
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private static final int SILABSER_SET_BAUDRATE = 0x1E;
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private static final int SILABSER_FLUSH_REQUEST_CODE = 0x12;
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private static final int SILABSER_SET_DTR_RTS_REQUEST_CODE = 0x07;
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private static final int SILABSER_GET_MDMSTS_REQUEST_CODE = 0x08;
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private static final int FLUSH_READ_CODE = 0x0a;
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private static final int FLUSH_WRITE_CODE = 0x05;
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private static final int FLUSH_READ_CODE = 0x0a;
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private static final int FLUSH_WRITE_CODE = 0x05;
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/*
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* SILABSER_IFC_ENABLE_REQUEST_CODE
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@ -90,29 +88,23 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
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private static final int UART_ENABLE = 0x0001;
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private static final int UART_DISABLE = 0x0000;
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/*
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* SILABSER_SET_BAUDDIV_REQUEST_CODE
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*/
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private static final int BAUD_RATE_GEN_FREQ = 0x384000;
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/*
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* SILABSER_SET_MHS_REQUEST_CODE
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*/
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private static final int MCR_DTR = 0x0001;
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private static final int MCR_RTS = 0x0002;
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private static final int MCR_ALL = 0x0003;
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private static final int CONTROL_WRITE_DTR = 0x0100;
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private static final int CONTROL_WRITE_RTS = 0x0200;
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/*
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* SILABSER_SET_DTR_RTS_REQUEST_CODE
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*/
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private static final int DTR_ENABLE = 0x101;
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private static final int DTR_DISABLE = 0x100;
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private static final int RTS_ENABLE = 0x202;
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private static final int RTS_DISABLE = 0x200;
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/*
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* SILABSER_GET_MDMSTS_REQUEST_CODE
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*/
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private static final int STATUS_CTS = 0x10;
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private static final int STATUS_DSR = 0x20;
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private static final int STATUS_RI = 0x40;
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private static final int STATUS_CD = 0x80;
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private boolean dtr = false;
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private boolean rts = false;
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@ -137,6 +129,16 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
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}
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}
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private byte getStatus() throws IOException {
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byte[] buffer = new byte[1];
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int result = mConnection.controlTransfer(REQTYPE_DEVICE_TO_HOST, SILABSER_GET_MDMSTS_REQUEST_CODE, 0,
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mPortNumber, buffer, buffer.length, USB_WRITE_TIMEOUT_MILLIS);
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if (result != 1) {
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throw new IOException("Control transfer failed: " + SILABSER_GET_MDMSTS_REQUEST_CODE + " / " + 0 + " -> " + result);
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}
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return buffer[0];
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}
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@Override
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protected void openInt(UsbDeviceConnection connection) throws IOException {
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mIsRestrictedPort = mDevice.getInterfaceCount() == 2 && mPortNumber == 1;
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@ -159,9 +161,7 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
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}
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setConfigSingle(SILABSER_IFC_ENABLE_REQUEST_CODE, UART_ENABLE);
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setConfigSingle(SILABSER_SET_MHS_REQUEST_CODE, MCR_ALL | CONTROL_WRITE_DTR | CONTROL_WRITE_RTS);
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// setConfigSingle(SILABSER_SET_BAUDDIV_REQUEST_CODE, BAUD_RATE_GEN_FREQ / DEFAULT_BAUD_RATE);
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// setParameters(DEFAULT_BAUD_RATE, DEFAULT_DATA_BITS, DEFAULT_STOP_BITS, DEFAULT_PARITY);
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setConfigSingle(SILABSER_SET_MHS_REQUEST_CODE, (dtr ? DTR_ENABLE : DTR_DISABLE) | (rts ? RTS_ENABLE : RTS_DISABLE));
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}
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@Override
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@ -260,17 +260,17 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
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@Override
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public boolean getCD() throws IOException {
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return false;
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return (getStatus() & STATUS_CD) != 0;
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}
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@Override
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public boolean getCTS() throws IOException {
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return false;
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return (getStatus() & STATUS_CTS) != 0;
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}
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@Override
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public boolean getDSR() throws IOException {
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return false;
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return (getStatus() & STATUS_DSR) != 0;
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}
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@Override
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@ -281,12 +281,12 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
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@Override
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public void setDTR(boolean value) throws IOException {
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dtr = value;
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setConfigSingle(SILABSER_SET_DTR_RTS_REQUEST_CODE, dtr ? DTR_ENABLE : DTR_DISABLE);
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setConfigSingle(SILABSER_SET_MHS_REQUEST_CODE, dtr ? DTR_ENABLE : DTR_DISABLE);
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}
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@Override
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public boolean getRI() throws IOException {
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return false;
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return (getStatus() & STATUS_RI) != 0;
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}
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@Override
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@ -297,23 +297,29 @@ public class Cp21xxSerialDriver implements UsbSerialDriver {
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@Override
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public void setRTS(boolean value) throws IOException {
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rts = value;
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setConfigSingle(SILABSER_SET_DTR_RTS_REQUEST_CODE, rts ? RTS_ENABLE : RTS_DISABLE);
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setConfigSingle(SILABSER_SET_MHS_REQUEST_CODE, rts ? RTS_ENABLE : RTS_DISABLE);
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}
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@Override
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public EnumSet<ControlLine> getControlLines() throws IOException {
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byte status = getStatus();
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EnumSet<ControlLine> set = EnumSet.noneOf(ControlLine.class);
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if(rts) set.add(ControlLine.RTS);
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if((status & STATUS_CTS) != 0) set.add(ControlLine.CTS);
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if(dtr) set.add(ControlLine.DTR);
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if((status & STATUS_DSR) != 0) set.add(ControlLine.DSR);
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if((status & STATUS_CD) != 0) set.add(ControlLine.CD);
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if((status & STATUS_RI) != 0) set.add(ControlLine.RI);
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return set;
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}
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@Override
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public EnumSet<ControlLine> getSupportedControlLines() throws IOException {
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return EnumSet.of(ControlLine.RTS, ControlLine.DTR);
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return EnumSet.allOf(ControlLine.class);
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}
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@Override
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// note: only working on some devices, on other devices ignored w/o error
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public boolean purgeHwBuffers(boolean purgeWriteBuffers, boolean purgeReadBuffers) throws IOException {
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int value = (purgeReadBuffers ? FLUSH_READ_CODE : 0)
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| (purgeWriteBuffers ? FLUSH_WRITE_CODE : 0);
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