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DFU serial number - avoid reading serial from flash chip

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Set a DFU mode specific serial number
This commit is contained in:
Dominic Spill
2018-03-27 18:08:49 -06:00
parent 70d189bcdc
commit bde5ca9f58
4 changed files with 41 additions and 17 deletions
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23
host/libhackrf/src/hackrf.c
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@@ -101,6 +101,7 @@ typedef enum {
#define TRANSFER_COUNT 4
#define TRANSFER_BUFFER_SIZE 262144
#define USB_MAX_SERIAL_LENGTH 32
struct hackrf_device {
libusb_device_handle* usb_device;
@@ -437,10 +438,11 @@ hackrf_device_list_t* ADDCALL hackrf_device_list()
continue;
}
serial_number_length = libusb_get_string_descriptor_ascii(usb_device, serial_descriptor_index, (unsigned char*)serial_number, sizeof(serial_number));
if( serial_number_length == 32 ) {
serial_number[32] = 0;
list->serial_numbers[idx] = strdup(serial_number);
}
if( serial_number_length >= USB_MAX_SERIAL_LENGTH )
serial_number_length = USB_MAX_SERIAL_LENGTH;
serial_number[serial_number_length] = 0;
list->serial_numbers[idx] = strdup(serial_number);
libusb_close(usb_device);
usb_device = NULL;
@@ -505,14 +507,11 @@ libusb_device_handle* hackrf_open_usb(const char* const desired_serial_number)
continue;
}
serial_number_length = libusb_get_string_descriptor_ascii(usb_device, serial_descriptor_index, (unsigned char*)serial_number, sizeof(serial_number));
if( serial_number_length == 32 ) {
serial_number[32] = 0;
if( strncmp(serial_number + 32-match_len, desired_serial_number, match_len) == 0 ) {
break;
} else {
libusb_close(usb_device);
usb_device = NULL;
}
if( serial_number_length >= USB_MAX_SERIAL_LENGTH )
serial_number_length = USB_MAX_SERIAL_LENGTH;
serial_number[serial_number_length] = 0;
if( strncmp(serial_number + serial_number_length-match_len, desired_serial_number, match_len) == 0 ) {
break;
} else {
libusb_close(usb_device);
usb_device = NULL;