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Added support for dynamic USB_VID / USB_PID.

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It can be changed on runtime without rebuilding or patching.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2024-04-16 00:04:23 +02:00
parent b6b53010cc
commit 6f7ab69a9d
3 changed files with 13 additions and 3 deletions
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6
src/fs/file.c
View File

@@ -283,8 +283,10 @@ void scan_flash() {
scan_region(false); scan_region(false);
#ifndef ENABLE_EMULATION #ifndef ENABLE_EMULATION
file_t *ef_vp = search_dynamic_file(EF_VP); file_t *ef_vp = search_dynamic_file(EF_VP);
if (file_has_data(ef_vp)) { if (file_has_data(ef_vp) && file_get_size(ef_vp) >= 4) {
uint8_t *data = file_get_data(ef_vp);
usb_vid = (data[0] << 8) | data[1];
usb_pid = (data[2] << 8) | data[3];
} }
#endif #endif
} }

4
src/usb/usb.c
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@@ -26,7 +26,9 @@
#include "pico_keys.h" #include "pico_keys.h"
#include "usb.h" #include "usb.h"
#include "apdu.h" #include "apdu.h"
#ifndef ENABLE_EMULATION
#include "tusb.h" #include "tusb.h"
#endif
// For memcpy // For memcpy
#include <string.h> #include <string.h>
@@ -158,8 +160,10 @@ queue_t usb_to_card_q;
queue_t card_to_usb_q; queue_t card_to_usb_q;
#endif #endif
#ifndef ENABLE_EMULATION
extern uint16_t usb_vid, usb_pid; extern uint16_t usb_vid, usb_pid;
extern tusb_desc_device_t desc_device; extern tusb_desc_device_t desc_device;
#endif
void usb_init() void usb_init()
{ {
#ifndef ENABLE_EMULATION #ifndef ENABLE_EMULATION

6
src/usb/usb_descriptors.c
View File

@@ -25,6 +25,7 @@
#endif #endif
#include "pico_keys_version.h" #include "pico_keys_version.h"
#include "usb.h" #include "usb.h"
#include "pico_keys.h"
#ifndef USB_VID #ifndef USB_VID
#define USB_VID 0xFEFF #define USB_VID 0xFEFF
@@ -39,11 +40,14 @@
#define MAX_USB_POWER 1 #define MAX_USB_POWER 1
uint16_t usb_vid = USB_VID;
uint16_t usb_pid = USB_PID;
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
// Device Descriptors // Device Descriptors
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
tusb_desc_device_t const desc_device = { tusb_desc_device_t desc_device = {
.bLength = sizeof(tusb_desc_device_t), .bLength = sizeof(tusb_desc_device_t),
.bDescriptorType = TUSB_DESC_DEVICE, .bDescriptorType = TUSB_DESC_DEVICE,
.bcdUSB = (USB_BCD), .bcdUSB = (USB_BCD),