Added some string descriptors.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-09-08 10:45:25 +02:00
parent c0123aa669
commit f47df94dfb

View File

@@ -25,6 +25,8 @@
#include "tusb.h" #include "tusb.h"
#include "u2f_hid.h" #include "u2f_hid.h"
#include "pico/unique_id.h"
#include "hsm_version.h"
/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug. /* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
* Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC. * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
@@ -49,7 +51,7 @@ tusb_desc_device_t const desc_device =
.idVendor = 0xCafe, .idVendor = 0xCafe,
.idProduct = 0x4231, .idProduct = 0x4231,
.bcdDevice = 0x0100, .bcdDevice = HSM_SDK_VERSION,
.iManufacturer = 0x01, .iManufacturer = 0x01,
.iProduct = 0x02, .iProduct = 0x02,
@@ -145,8 +147,8 @@ uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
char const* string_desc_arr [] = char const* string_desc_arr [] =
{ {
(const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409) (const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
"TinyUSB", // 1: Manufacturer "Pol Henarejos", // 1: Manufacturer
"TinyUSB Device", // 2: Product "Pico HSM", // 2: Product
"123456", // 3: Serials, should use chip ID "123456", // 3: Serials, should use chip ID
}; };
@@ -160,33 +162,37 @@ uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid)
uint8_t chr_count; uint8_t chr_count;
if ( index == 0) if (index == 0) {
{
memcpy(&_desc_str[1], string_desc_arr[0], 2); memcpy(&_desc_str[1], string_desc_arr[0], 2);
chr_count = 1; chr_count = 1;
}else }
{ else {
// Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors. // Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors.
// https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors // https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors
if ( !(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])) ) return NULL; if ( !(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])) )
return NULL;
const char* str = string_desc_arr[index]; const char* str = string_desc_arr[index];
char unique_id_str[2 * PICO_UNIQUE_BOARD_ID_SIZE_BYTES + 1];
if (index == 3) {
pico_unique_board_id_t unique_id;
pico_get_unique_board_id(&unique_id);
pico_get_unique_board_id_string(unique_id_str, 2 * PICO_UNIQUE_BOARD_ID_SIZE_BYTES + 1);
str = unique_id_str;
}
// Cap at max char chr_count = strlen(str);
chr_count = (uint8_t) strlen(str); if ( chr_count > 31 )
if ( chr_count > 31 ) chr_count = 31; chr_count = 31;
// Convert ASCII string into UTF-16 // Convert ASCII string into UTF-16
for(uint8_t i=0; i<chr_count; i++) for(uint8_t i=0; i<chr_count; i++) {
{
_desc_str[1+i] = str[i]; _desc_str[1+i] = str[i];
} }
} }
// first byte is length (including header), second byte is string type _desc_str[0] = (TUSB_DESC_STRING << 8 ) | (2*chr_count + 2);
_desc_str[0] = (uint16_t) ((TUSB_DESC_STRING << 8 ) | (2*chr_count + 2));
return _desc_str; return _desc_str;
} }