1. Unlike the previous RedHat statements, minicomFedora cannot directly enter minicom and press enter, because there is no modem subdirectory under the/dev/directory, and minicom runs in this directory by default, therefore, it is impossible to directly knock. However, you can enter minicom-s and press enter to set the path of minicom and set/dev. /modem can be changed to/dev/ttyS0, and then a soft connection is set. ln-s/dev/ttyS0 // dev/modem is returned.
I. minicom
Unlike the previous RedHa
));Iappui-> settextl (_ L ("listening ..."));
USB:# If 1User: leaveiferror (iServer. Connect ());IServer. loadcommmodule (ktxtusbcomm );Tbuf8 User: leaveiferror (icomm. Open (iServer, _ L ("ACM: 1"), ecommexclusive ));// Processing ing port is done by using the codeTcommconfig cbuf;Tcommconfigv01 C = cbuf ();
// Get the current configurationIcomm. config (cbuf );
// Set new settingsC. ififo = efifoenable;// C. irate = ebps19200;// C. irate = ebps576
Win10 after the update, Bluetooth function is gone, there is no option to open the Device Manager, there is an unknown USB device, reboot invalid, reload Bluetooth driver is invalid, Bluetooth in the BIOS is open.Try to find all the methods on the Internet, including Update WIN10 update, update Bluetooth driver, etc. are not resolved,Solutions are:1. Open the Device Manager, uninstall the unknown USB device
Most of the current laptops are no longer equipped with serial ports, and are pre-installed with Microsoft's latest Vista operating system. However, in daily development work, you may encounter serial programming through USB-to-serial data lines in a notebook without a serial
System version:650) this.width=650; "src=" Https://s4.51cto.com/wyfs02/M00/00/0E/wKiom1mVWLiCTrLXAASISMIJKF4788.png "title=" 11123.png "alt=" Wkiom1mvwlictrlxaasismijkf4788.png "/>The use of USB to serial data cable brand is green, using other brands can also try (should be as long as the chip for PL-2303)Actually the installation is very simple, first to download the driver, the driver is as follows (I use
Put it in front: although it is now a USB simulator, but there are still some compatriots using the serial port Weifu simulator, so write down the following process. Hope to help.
I don't need to talk about installing software.
Step 1: Double-click Open Software, file | create a project, as shown in figure
Select the path and file for saving the project (including the source file and some header files)
Date: March 6, 2011 Personal DiaryExample: USB to serial port driver installation and SetupFirst, the USB to the serial Port drive installation CD into the driver, and then find the appropriate installation file installation. (Generally select "304")If the installation fails, you can try to unplug the thread and reinst
When making changes to the driver name of the USB device, the firmware needs to be modified with the Keil software and the. iic files are burned to the external eeprom in cy7c68013a, and the. hex file Keil generated can only be burned into cypress RAM.This configuration is also very simple, first find the Bin folder in the installation Kit, find the Hex2bin software. Such as:After locating the application, paste its path, then right-click in the proje
(){Var bfUsb;BfUsb = CheckUsb ();If (bfUsb = true){Var locator = new ActiveXObject ("WbemScripting. SWbemLocator ");Var computer = locator. ConnectServer (".");Var properties = computer. ExecQuery ("SELECT * FROM Win32_USBHub ");Var e = new Enumerator (properties );Var arrayUsbSN = new Array (); // stores the serial numberVar intCount = 0;For (;! E. atEnd (); e. moveNext ()){Var p = e. item ();Var strSN;Var uSerialNum;Var sn = p. DeviceIDIf (sn. inde
1. Kernel configuration
Device Drivers --->
[*] USB support --->
USB serial converter support --->
2. Compile the kernel. Load the kernel on the embedded board. after entering the kernel, check whether the corresponding device node is generated.
# Ls/dev/ttyusb0
If you do not have the above nodes, manually create
# Mknod/dev/ttyusb0 C 188 0
3. Write a program
Bought a root USB to RS232 serial line, Pl2303 chip. The sellers and the official all said does not support WIN8, but I do not believe in Win7 can use in the win8/8.1 will not be used up.The official latest version of the v1.9.0 driver description said that does not support the win 8/8.1, after the attempt does not support. Hardware can be identified but cannot be started (error code 10, yellow exclamation
http://files.cnblogs.com/guobaPlayer/testUSB2Serial.apkUSB to Serial demo program, no need to drive, as long as the phone USB is OTG type, plug in our module can be used. Current baud rate is 9600bpsMore USB to Gpio, keys, PWM, infrared, SPI,IIC,ADC, welcome to consult, negotiate.Hangzhou Blue Pine Technology, focus on the development of Android-related software
. Path! = ":")
{
BfResult = true;
}
}
}
Return bfResult;
}
Function ReadUsbSN ()
{
Var bfUsb;
BfUsb = CheckUsb ();
If (bfUsb = true)
{
Var locator = new ActiveXObject ("WbemScripting. SWbemLocator ");
Var computer = locator. ConnectServer (".");
Var properties = computer. ExecQuery ("SELECT * FROM Win32_USBHub ");
Var e = new Enumerator (properties );
Var arrayUsbSN = new Array (); // stores the serial number
Var intCount = 0;
For (;! E. atEnd (); e.
1, turn on USB to the serial port installation program;
2, according to the prompts after the installation will eject "drive preinstallation Success" tips;
3, if you open the Device Manager to see the port to find the corresponding device icon or display a yellow exclamation point, it should be the driver and the system has been incompatible with the problem;
4, if thi
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