include/usb/msc_function.h

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#ifndef USB_MSC_FUNC_H_INCLUDED
#define USB_MSC_FUNC_H_INCLUDED

#define MSC_MAX_SERIAL_LEN      20

struct block_device;

extern struct usb_func_iface *usb_msc_func_init(struct block_device *bdev);

extern void usb_msc_set_busy(struct usb_func_iface *iface, uint16_t asc,
                void (*queue_empty)(void *data), void *data);
extern void usb_msc_set_ready(struct usb_func_iface *iface);

static inline bool msc_serial_number_is_valid(const char *str, size_t max_len)
{
        size_t  len;
        char    c;

        for (len = 0; len < max_len; len++) {
                c = str[len];
                if (c == 0)
                        break;

                if ((c < '0' || c > '9') && (c < 'A' || c > 'F'))
                        return false;
        }

        if (len < 12 || len == max_len || len > MSC_MAX_SERIAL_LEN)
                return false;

        return true;
}

#endif /* USB_MSC_FUNC_H_INCLUDED */

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