added rp2040 unique id (requires submodule update)

majbthrd · Feb 16, 2021 · 26039d8 · 26039d8
1 parent 7f1af42
commit 26039d8
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Showing 4 changed files with 27 additions and 3 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -41,7 +41,7 @@ if(FAMILY STREQUAL "rp2040")
   target_compile_definitions(${PROJECT} PUBLIC
   )
 
-  target_link_libraries(${PROJECT} pico_stdlib)
+  target_link_libraries(${PROJECT} pico_stdlib pico_fix_rp2040_usb_device_enumeration pico_unique_id)
 
   pico_add_extra_outputs(${PROJECT})
 

diff --git a/bsp/rp2040/unique.h b/bsp/rp2040/unique.h
@@ -0,0 +1,25 @@
+#include <stdint.h>
+#include "pico/stdlib.h"
+#include "pico/unique_id.h"
+#include "tusb.h"
+
+static uint8_t get_unique_id(uint16_t *desc_str)
+{
+  pico_unique_board_id_t uid;
+  uint8_t chr_count = 0;
+
+  pico_get_unique_board_id(&uid);
+
+  for (int byte = 0; byte < TU_ARRAY_SIZE(uid.id); byte++)
+  {
+    uint8_t tmp = uid.id[byte];
+    for (int digit = 0; digit < 2; digit++)
+    {
+      desc_str[chr_count++] = "0123456789ABCDEF"[tmp & 0xf];
+      tmp >>= 4;
+    }
+  }
+
+  return chr_count;
+}
+
diff --git a/bsp/stm32f072disco/unique.h b/bsp/stm32f072disco/unique.h
@@ -1,7 +1,6 @@
 #include <stdint.h>
 #include "tusb.h"
 
-
 static uint8_t get_unique_id(uint16_t *desc_str)
 {
   const uint32_t *idpnt = (uint32_t*)(0x1FFFF7AC); /*DEVICE_ID1*/

diff --git a/tinyusb b/tinyusb