From a70b945bcec8577e7e73e29b377b2a07daaecff1 Mon Sep 17 00:00:00 2001
From: Frank <91616163+softhack007@users.noreply.github.com>
Date: Thu, 26 Mar 2026 19:51:27 +0100
Subject: [PATCH] experimental: more info about PSRAM and Flash

* PSRAM speed and transfer mode (serial only)
* added all possible modes and speed flags (-P4 included)
---
 wled00/json.cpp | 11 +++++++---
 wled00/wled.cpp | 56 ++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 63 insertions(+), 4 deletions(-)

diff --git a/wled00/json.cpp b/wled00/json.cpp
index ce2d0d74..af7583c7 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -1145,16 +1145,19 @@ void serializeInfo(JsonObject root)
     root[F("tpsram")] = ESP.getPsramSize(); //WLEDMM
     root[F("psram")] = ESP.getFreePsram();
     root[F("psusedram")] = ESP.getMinFreePsram();
-    #if CONFIG_ESP32S3_SPIRAM_SUPPORT  // WLEDMM -S3 has "qspi" or "opi" PSRAM mode
+    // WLEDMM -S3 has "qspi" or "opi" PSRAM mode, -P4 has "hex"
     #if CONFIG_SPIRAM_MODE_OCT
       root[F("psrmode")]  = F("🚀 OPI");
     #elif CONFIG_SPIRAM_MODE_QUAD
       root[F("psrmode")]  = F("qspi");
+    #elif CONFIG_SPIRAM_MODE_HEX
+      root[F("psrmode")]  = F("🚀🚀 HEX");
+    #else
+      root[F("psrmode")]  = F("dio");
     #endif
     #endif
   }
   #endif
-  #endif
 
   // begin WLEDMM
   #ifdef ARDUINO_ARCH_ESP32
@@ -1191,8 +1194,10 @@ void serializeInfo(JsonObject root)
     case FM_QOUT: root[F("e32flashtext")] = F(" (QOUT)");break;
     case FM_DIO:  root[F("e32flashtext")] = F(" (DIO)"); break;
     case FM_DOUT: root[F("e32flashtext")] = F(" (DOUT or other)");break;
-    #if defined(CONFIG_IDF_TARGET_ESP32S3) && CONFIG_ESPTOOLPY_FLASHMODE_OPI
+    #if CONFIG_ESPTOOLPY_FLASHMODE_OPI
       case FM_FAST_READ: root[F("e32flashtext")] = F(" (🚀OPI)");break;
+    #elif CONFIG_ESPTOOLPY_FLASHMODE_HEX
+      case FM_FAST_READ: root[F("e32flashtext")] = F(" (🚀🚀HEX)");break;
     #else
       case FM_FAST_READ: root[F("e32flashtext")] = F(" (fast_read)");break;
     #endif
diff --git a/wled00/wled.cpp b/wled00/wled.cpp
index 1434c491..611f4e41 100644
--- a/wled00/wled.cpp
+++ b/wled00/wled.cpp
@@ -702,10 +702,64 @@ void WLED::setup()
   }
 
   #endif
+
+  #ifdef CONFIG_ESPTOOLPY_FLASH_SAMPLE_MODE_DTR
+    DEBUG_PRINTLN(F("FLASH access: DTR")); // faster
+  #elif CONFIG_ESPTOOLPY_FLASH_SAMPLE_MODE_STR
+    DEBUG_PRINTLN(F("FLASH access: STR")); // standard
+  #endif
+  #ifdef CONFIG_SPI_FLASH_HPM_ENA
+    DEBUG_PRINTLN(F("FLASH high performance mode: enabled"));
+  #endif
+  #ifdef CONFIG_SPI_FLASH_HPM_ON
+    DEBUG_PRINTLN(F("FLASH high performance mode: on")); // faster with STR
+  #endif
+
   #if (defined(BOARD_HAS_PSRAM) || (ESP_IDF_VERSION_MAJOR > 3)) && (defined(WLED_USE_PSRAM) || defined(WLED_USE_PSRAM_JSON))       // WLEDMM
   if (psramFound()) {
-    DEBUG_PRINT(F("Total PSRAM: ")); DEBUG_PRINT(ESP.getPsramSize()/1024); DEBUG_PRINTLN("kB");
+    USER_PRINTLN();
+    USER_PRINT(F("Total PSRAM: ")); USER_PRINT(ESP.getPsramSize()/1024); USER_PRINTLN("kB");
     DEBUG_PRINT(F("Free PSRAM : ")); DEBUG_PRINT(ESP.getFreePsram()/1024); DEBUG_PRINTLN("kB");
+    #if CONFIG_SPIRAM_MODE_HEX
+      USER_PRINT(F("PSRAM mode: hex, "));
+      #ifdef SPIRAM_USE_8LINE_MODE
+        USER_PRINTLN(F("8-line"));
+      #else
+        USER_PRINTLN(F("16-line"));
+      #endif
+    #elif CONFIG_SPIRAM_MODE_OCT
+      USER_PRINTLN(F("PSRAM mode: octal, DTR"));
+    #elif CONFIG_SPIRAM_MODE_QUAD
+      USER_PRINTLN(F("PSRAM mode: quad, STR"));
+    #endif
+    #ifdef SPIRAM_ECC_ENABLE
+      DEBUG_PRINTLN(F("PSRAM error correction: ECC enabled"));
+    #endif
+    #if defined(CONFIG_SPIRAM_SPEED_250M)
+      USER_PRINTLN(F("PSRAM speed: 250 MHz"));
+    #elif defined(CONFIG_SPIRAM_SPEED_200M)
+      USER_PRINTLN(F("PSRAM speed: 200 MHz"));
+    #elif defined(CONFIG_SPIRAM_SPEED_160M)
+      USER_PRINTLN(F("PSRAM speed: 160 MHz"));
+    #elif defined(CONFIG_SPIRAM_SPEED_120M)
+      USER_PRINTLN(F("PSRAM speed: 120 MHz"));
+    #elif defined(CONFIG_SPIRAM_SPEED_80M)
+      USER_PRINTLN(F("PSRAM speed: 80 MHz"));
+    #elif defined(CONFIG_SPIRAM_SPEED_40M)
+      USER_PRINTLN(F("PSRAM speed: 40 MHz"));
+    #elif defined(CONFIG_SPIRAM_SPEED_26M)
+      USER_PRINTLN(F("PSRAM speed: 26 MHz"));
+    #elif defined(CONFIG_SPIRAM_SPEED_20M)
+      USER_PRINTLN(F("PSRAM speed: 20 MHz"));
+    #endif
+    #ifdef CONFIG_SPIRAM_OCCUPY_HSPI_HOST
+      DEBUG_PRINTLN(F("PSRAM host: HSPI"));
+    #elif CONFIG_SPIRAM_OCCUPY_VSPI_HOST
+      DEBUG_PRINTLN(F("PSRAM host: VSPI"));
+    #elif CONFIG_SPIRAM_OCCUPY_NO_HOST
+      DEBUG_PRINTLN(F("PSRAM host: none"));
+    #endif
+    USER_PRINTLN();
   }
   #else
     DEBUG_PRINTLN(F("PSRAM not used."));