On Fri, 22 Oct 2010, Praveen G K wrote:
> Hello all,
>
> What is the significance of this struct?
>
>
> /* Static strings, in UTF-8 (for simplicity we use only ASCII characters) */
> static struct usb_string fsg_strings[] = {
> #ifndef FSG_NO_DEVICE_STRINGS
> {FSG_STRING_MANUFACTURER, fsg_string_manufacturer},
> {FSG_STRING_PRODUCT, fsg_string_product},
> {FSG_STRING_SERIAL, fsg_string_serial},
> {FSG_STRING_CONFIG, fsg_string_config},
> #endif
> {FSG_STRING_INTERFACE, fsg_string_interface},
> {}
> };
It contains the list of string descriptors that will be in the gadget.
> In the file header, I see the following info,
>
> /*
> * This file requires the following identifiers used in USB strings to
> * be defined (each of type pointer to char):
> * - fsg_string_manufacturer -- name of the manufacturer
> * - fsg_string_product -- name of the product
> * - fsg_string_serial -- product's serial
> * - fsg_string_config -- name of the configuration
> * - fsg_string_interface -- name of the interface
> * The first four are only needed when FSG_DESCRIPTORS_DEVICE_STRINGS
> * macro is defined prior to including this file.
> */
In fact the comment is slightly wrong; it should say that the first
four are needed only when FSG_NO_DEVICE_STRINGS is undefined.
> But in file_storage.c file, I see that fsg_string_product is a static
> const char array. So, how will I be able to set a custom product name
> overwriting the default settings? What is the best way to set the
> product string so that my file storage gadget would take the product
> name that I specify?
Edit the source file and set the static array to whatever you want.
Alan Stern
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