87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
#include <libserialport.h>
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#include <stdio.h>
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/* Example of how to get information about a serial port.
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*
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* This example file is released to the public domain. */
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int main(int argc, char **argv)
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{
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/* Get the port name from the command line. */
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if (argc != 2) {
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printf("Usage: %s <port name>\n", argv[0]);
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return -1;
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}
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char *port_name = argv[1];
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/* A pointer to a struct sp_port, which will refer to
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* the port found. */
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struct sp_port *port;
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printf("Looking for port %s.\n", port_name);
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/* Call sp_get_port_by_name() to find the port. The port
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* pointer will be updated to refer to the port found. */
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enum sp_return result = sp_get_port_by_name(port_name, &port);
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if (result != SP_OK)
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{
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printf("sp_get_port_by_name() failed!\n");
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return -1;
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}
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/* Display some basic information about the port. */
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printf("Port name: %s\n", sp_get_port_name(port));
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printf("Description: %s\n", sp_get_port_description(port));
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/* Identify the transport which this port is connected through,
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* e.g. native port, USB or Bluetooth. */
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enum sp_transport transport = sp_get_port_transport(port);
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if (transport == SP_TRANSPORT_NATIVE)
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{
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/* This is a "native" port, usually directly connected
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* to the system rather than some external interface. */
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printf("Type: Native\n");
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}
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else if (transport == SP_TRANSPORT_USB)
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{
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/* This is a USB to serial converter of some kind. */
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printf("Type: USB\n");
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/* Display string information from the USB descriptors. */
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printf("Manufacturer: %s\n", sp_get_port_usb_manufacturer(port));
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printf("Product: %s\n", sp_get_port_usb_product(port));
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printf("Serial: %s\n", sp_get_port_usb_serial(port));
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/* Display USB vendor and product IDs. */
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int usb_vid, usb_pid;
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sp_get_port_usb_vid_pid(port, &usb_vid, &usb_pid);
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printf("VID: %04X PID: %04X\n", usb_vid, usb_pid);
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/* Display bus and address. */
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int usb_bus, usb_address;
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sp_get_port_usb_bus_address(port, &usb_bus, &usb_address);
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printf("Bus: %d Address: %d\n", usb_bus, usb_address);
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}
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else if (transport == SP_TRANSPORT_BLUETOOTH)
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{
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/* This is a Bluetooth serial port. */
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printf("Type: Bluetooth\n");
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/* Display Bluetooth MAC address. */
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printf("MAC: %s\n", sp_get_port_bluetooth_address(port));
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}
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printf("Freeing port.\n");
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/* Free the port structure created by sp_get_port_by_name(). */
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sp_free_port(port);
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/* Note that this will also free the port name and other
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* strings retrieved from the port structure. If you want
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* to keep these, copy them before freeing the port. */
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return 0;
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}
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