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libhackrf: refactor serial number searching to hackrf_open_usb()

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This commit is contained in:
Heikki Hannikainen
2015-02-23 21:31:31 +02:00
committed by Heikki Hannikainen
parent 35b9e0bea0
commit c9f8bb2a05
1 changed files with 62 additions and 51 deletions
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43
host/libhackrf/src/hackrf.c
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@ -263,21 +263,14 @@ int ADDCALL hackrf_exit(void)
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
int ADDCALL hackrf_open(const char* const desired_serial_number, hackrf_device** device) libusb_device_handle* hackrf_open_usb(const char* const desired_serial_number)
{ {
int result; libusb_device_handle* usb_device = NULL;
libusb_device_handle* usb_device;
hackrf_device* lib_device;
if( device == NULL )
{
return HACKRF_ERROR_INVALID_PARAM;
}
libusb_device** devices = NULL; libusb_device** devices = NULL;
const ssize_t list_length = libusb_get_device_list(g_libusb_context, &devices); const ssize_t list_length = libusb_get_device_list(g_libusb_context, &devices);
printf("All devices: %ld\n", list_length);
printf("Number of USB devices: %ld\n", list_length);
for (ssize_t i=0; i<list_length; i++) { for (ssize_t i=0; i<list_length; i++) {
struct libusb_device_descriptor device_descriptor; struct libusb_device_descriptor device_descriptor;
libusb_get_device_descriptor(devices[i], &device_descriptor); libusb_get_device_descriptor(devices[i], &device_descriptor);
@ -318,17 +311,35 @@ for(ssize_t i=0; i<list_length; i++) {
} }
} }
} }
libusb_free_device_list(devices, 1); libusb_free_device_list(devices, 1);
// TODO: Do proper scanning of available devices, searching for return usb_device;
// unit serial number (if specified?). }
/*
int ADDCALL hackrf_open(const char* const desired_serial_number, hackrf_device** device)
{
int result;
libusb_device_handle* usb_device;
hackrf_device* lib_device;
if( device == NULL )
{
return HACKRF_ERROR_INVALID_PARAM;
}
if( desired_serial_number )
{
usb_device = hackrf_open_usb(desired_serial_number);
} else {
usb_device = libusb_open_device_with_vid_pid(g_libusb_context, hackrf_usb_vid, hackrf_one_usb_pid); usb_device = libusb_open_device_with_vid_pid(g_libusb_context, hackrf_usb_vid, hackrf_one_usb_pid);
}
if( usb_device == NULL ) if( usb_device == NULL )
{ {
usb_device = libusb_open_device_with_vid_pid(g_libusb_context, hackrf_usb_vid, hackrf_jawbreaker_usb_pid); usb_device = libusb_open_device_with_vid_pid(g_libusb_context, hackrf_usb_vid, hackrf_jawbreaker_usb_pid);
} }
*/
if( usb_device == NULL ) if( usb_device == NULL )
{ {
return HACKRF_ERROR_NOT_FOUND; return HACKRF_ERROR_NOT_FOUND;