From 06f94743bf0b438607bf9d1741355299d1f30398 Mon Sep 17 00:00:00 2001
From: Frank <91616163+softhack007@users.noreply.github.com>
Date: Tue, 7 May 2024 13:35:16 +0200
Subject: [PATCH] pico board: always protect pin 16+17

runtime detection of PICO boards, to ensure that SPIRAM pins are protected even when users install a non-pico firmware build.
---
 wled00/wled.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/wled00/wled.cpp b/wled00/wled.cpp
index 4b2d6609..11ebcf72 100644
--- a/wled00/wled.cpp
+++ b/wled00/wled.cpp
@@ -611,10 +611,12 @@ void WLED::setup()
     DEBUG_PRINTLN(F("PSRAM not used."));
   #endif
 #endif
-#if defined(ARDUINO_ESP32_PICO)
-// special handling for PICO-D4: gpio16+17 are in use for onboard SPI FLASH (not PSRAM)
-managed_pin_type pins[] = { {16, true}, {17, true} };
-pinManager.allocateMultiplePins(pins, sizeof(pins)/sizeof(managed_pin_type), PinOwner::SPI_RAM);
+#if defined(ARDUINO_ARCH_ESP32)
+  if (strncmp("ESP32-PICO", ESP.getChipModel(), 10) == 0) { // WLEDMM detect pico board at runtime
+    // special handling for PICO-D4: gpio16+17 are in use for onboard SPI FLASH (not PSRAM)
+    managed_pin_type pins[] = { {16, true}, {17, true} };
+    pinManager.allocateMultiplePins(pins, sizeof(pins)/sizeof(managed_pin_type), PinOwner::SPI_RAM);
+  }
 #endif
 
   //DEBUG_PRINT(F("LEDs inited. heap usage ~"));