add board_get_unique_id() for serial number

implemented board_get_unique_id() for rp2040 and L4
This commit is contained in:
hathach
2023-08-03 20:42:34 +07:00
parent 1324c2862d
commit 041f510f90
6 changed files with 126 additions and 64 deletions

View File

@@ -23,6 +23,7 @@
*
*/
#include "bsp/board_api.h"
#include "tusb.h"
/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
@@ -236,6 +237,14 @@ uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
// String Descriptors
//--------------------------------------------------------------------+
// String Descriptor Index
enum {
STRID_LANGID = 0,
STRID_MANUFACTURER,
STRID_PRODUCT,
STRID_SERIAL,
};
// array of pointer to string descriptors
char const* string_desc_arr [] =
{
@@ -247,7 +256,7 @@ char const* string_desc_arr [] =
"TinyUSB MSC", // 5: MSC Interface
};
static uint16_t _desc_str[32];
static uint16_t _desc_str[32+1];
// Invoked when received GET STRING DESCRIPTOR request
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
@@ -255,30 +264,35 @@ uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid)
{
(void) langid;
uint8_t chr_count;
size_t chr_count;
if ( index == 0)
{
memcpy(&_desc_str[1], string_desc_arr[0], 2);
chr_count = 1;
}else
{
// 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
switch(index) {
case STRID_LANGID:
memcpy(&_desc_str[1], string_desc_arr[0], 2);
chr_count = 1;
break;
if ( !(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])) ) return NULL;
case STRID_SERIAL:
chr_count = board_usb_get_serial(_desc_str+1, 32);
break;
const char* str = string_desc_arr[index];
default:
// 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
// Cap at max char
chr_count = (uint8_t) strlen(str);
if ( chr_count > 31 ) chr_count = 31;
if ( !(index < sizeof(string_desc_arr)/sizeof(string_desc_arr[0])) ) return NULL;
// Convert ASCII string into UTF-16
for(uint8_t i=0; i<chr_count; i++)
{
_desc_str[1+i] = str[i];
}
const char* str = string_desc_arr[index];
// Cap at max char
chr_count = strlen(str);
if ( chr_count > 31 ) chr_count = 31;
// Convert ASCII string into UTF-16
for(size_t i=0; i<chr_count; i++) {
_desc_str[1+i] = str[i];
}
break;
}
// first byte is length (including header), second byte is string type