From 764165f7ba4aa5092ed04521c512a964411e908f Mon Sep 17 00:00:00 2001
From: Renze Nicolai <renze@rnplus.nl>
Date: Sun, 15 May 2022 22:01:40 +0200
Subject: [PATCH] Add RP2040 UID reading function

---
 components/mch2022-rp2040 |  2 +-
 main/main.c               | 11 ++++++++++-
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/components/mch2022-rp2040 b/components/mch2022-rp2040
index 9135835..b5b6460 160000
--- a/components/mch2022-rp2040
+++ b/components/mch2022-rp2040
@@ -1 +1 @@
-Subproject commit 91358358eaffb12d699991e75b5243a02f1e2166
+Subproject commit b5b64602231a80708bb016d92c67c878ec4d226d
diff --git a/main/main.c b/main/main.c
index 3e71a42..9690662 100644
--- a/main/main.c
+++ b/main/main.c
@@ -645,7 +645,16 @@ void app_main(void) {
     }
 
     rp2040_updater(rp2040, pax_buffer, ili9341); // Handle RP2040 firmware update & bootloader mode
-    
+
+    uint8_t rp2040_uid[8];
+    if (rp2040_get_uid(rp2040, rp2040_uid) != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to get RP2040 UID");
+        display_fatal_error(pax_buffer, ili9341, "Failed to initialize", "Failed to read UID", NULL, NULL);
+        esp_restart();
+    }
+
+    printf("RP2040 UID: %02X%02X%02X%02X%02X%02X%02X%02X\n", rp2040_uid[0], rp2040_uid[1], rp2040_uid[2], rp2040_uid[3], rp2040_uid[4], rp2040_uid[5], rp2040_uid[6], rp2040_uid[7]);
+
     if (bsp_ice40_init() != ESP_OK) {
         ESP_LOGE(TAG, "Failed to initialize the ICE40 FPGA");
         display_fatal_error(pax_buffer, ili9341, "Failed to initialize", "ICE40 FPGA error", NULL, NULL);