From 1630c7b52d1442b46e598f30633093f63c192532 Mon Sep 17 00:00:00 2001
From: Pol Henarejos <pol.henarejos@cttc.es>
Date: Fri, 18 Feb 2022 10:39:03 +0100
Subject: [PATCH] Adding unique_id variable.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
---
 CMakeLists.txt | 2 +-
 hsm2040.c      | 5 +++++
 hsm2040.h      | 3 +++
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 62d41fd..5b61b80 100644
--- a/CMakeLists.txt
+++ b/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)
diff --git a/hsm2040.c b/hsm2040.c
index d60aa48..fbabf02 100644
--- a/hsm2040.c
+++ b/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)
     {
diff --git a/hsm2040.h b/hsm2040.h
index 1e6b161..0caebcf 100644
--- a/hsm2040.h
+++ b/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
\ No newline at end of file