By Jan Axelson
I used to make try platforms of digital elements with GPIO, GPIB, and air cylinders. yet lets try purely extremely simple elements. we're required to check beautiful advanced parts together with I2C I/F nowadays. We hunted for compatible resolution. i discovered that notebook serial ports keep watch over micro controllers which keep an eye on DUTs through I2C and such structures can simply be implementd by way of examining this e-book. utilizing new computer with no serial port, we will use related procedure by means of including USB digital COM port. I thank the writer for giving me contemporary wisdom approximately serial port hyperlinks.
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Additional resources for Serial Port Complete: COM Ports, USB Virtual COM Ports, and Ports for Embedded Systems (Complete Guides series)
1/ 2QTV 0WODGTKPI Windows provides a COM-port database that helps ensure a unique number for each port. Application programming interface (API) functions provide a way for applications to claim and release port numbers. ) Uninstalling a port from within the Device Manager releases the port number for use by other port hardware. To prevent unwanted “COM-port proliferation,” include a serial number in a string descriptor in any USB virtual COM port you design. A device that contains a serial number retains its COM-port number even if moved to a different USB port on the system.
32 COM Ports on PCs The Port Settings tab displays the default settings for the port. A USB/serial converter doesn’t use the bit rate, parity, and Stop bits in communications between the PC and the converter, but a driver can send these values to a device that uses the settings on its serial port. For example, a USB/RS-232 converter can set the parameters of its RS-232 port to match values specified on the PC. The Advanced Settings window enables setting buffer properties and the COM-port number.
33 Chapter 3 The Driver tab enables updating, disabling, and uninstalling the drivers assigned to the port. The Driver Details window lists the drivers the device uses. 34 COM Ports on PCs The Details tab has a drop-down Property box that provides access to a variety of information about a port, including device instance, hardware, and compatible IDs, class installers and co-installers, and power-state information. In the window shown, the Value pane shows the “Device description” property. 35 Chapter 3 Ports on motherboards or expansion cards have a Resources tab that displays the port addresses and IRQ line the port uses.