Adding unique_id variable.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

CMakeLists.txt

@@ -77,7 +77,7 @@ target_include_directories(hsm2040 PUBLIC
         )
 
 pico_add_extra_outputs(hsm2040)
-target_link_libraries(hsm2040 PRIVATE pico_stdlib tinyusb_device tinyusb_board pico_multicore hardware_flash hardware_sync hardware_adc)
+target_link_libraries(hsm2040 PRIVATE pico_stdlib tinyusb_device tinyusb_board pico_multicore hardware_flash hardware_sync hardware_adc pico_unique_id)
 
 #
 #project(flash_nuke C CXX ASM)

hsm2040.c

@@ -1747,6 +1747,8 @@ void led_off_all()
 #include "hardware/sync.h"
 extern void neug_task();
 
+pico_unique_board_id_t unique_id;
+
 int main(void)
 {
     struct apdu *a = &apdu;
@@ -1771,6 +1773,9 @@ int main(void)
     random_init();
     
     low_flash_init();
+    
+    pico_get_unique_board_id(&unique_id);
+    DEBUG_PAYLOAD(unique_id.id,8);
   
     while (1)
     {

hsm2040.h

@@ -10,6 +10,7 @@
 #include "ccid.h"
 #include "tusb.h"
 #include "file.h"
+#include "pico/unique_id.h"
 
 #define USB_REQ_CCID        0xA1
 
@@ -111,4 +112,6 @@ void put_binary (const char *s, int len);
 
 extern int flash_write_data_to_file(file_t *file, const uint8_t *data, uint16_t len);
 extern void low_flash_available();
+
+extern pico_unique_board_id_t unique_id;
 #endif