Feature: Added support for boards with 16MB flash and PSRAM

partitions_custom_16mb.csv

@@ -0,0 +1,6 @@
+# Name,   Type, SubType, Offset,   Size,   Flags
+nvs,      data, nvs,     0x9000,   0x5000
+otadata,  data, ota,     0xE000,   0x2000
+app0,     app,  ota_0,   0x10000,  0x7E0000
+app1,     app,  ota_1,   0x7F0000, 0x7E0000
+spiffs,   data, spiffs,  0xFD0000, 0x30000

platformio.ini

@@ -49,7 +49,7 @@ extra_scripts =
     pre:pio-scripts/patch_apply.py
     post:pio-scripts/create_factory_bin.py
 
-board_build.partitions = partitions_custom.csv
+board_build.partitions = partitions_custom_4mb.csv
 board_build.filesystem = littlefs
 board_build.embed_files =
     webapp_dist/index.html.gz
@@ -75,6 +75,16 @@ board = esp32dev
 build_flags = ${env.build_flags}
 
 
+[env:generic_esp32_16mb_psram]
+board = esp32dev
+board_build.flash_mode = qio
+board_build.partitions = partitions_custom_16mb.csv
+board_upload.flash_size = 16MB
+build_flags = ${env.build_flags}
+    -DBOARD_HAS_PSRAM
+    -mfix-esp32-psram-cache-issue
+
+
 [env:generic_esp32c3]
 board = esp32-c3-devkitc-02
 custom_patches = ${env.custom_patches},esp32c3

src/WebApi_sysstatus.cpp

@@ -41,6 +41,8 @@ void WebApiSysstatusClass::onSystemStatus(AsyncWebServerRequest* request)
     root["heap_used"] = ESP.getHeapSize() - ESP.getFreeHeap();
     root["heap_max_block"] = ESP.getMaxAllocHeap();
     root["heap_min_free"] = ESP.getMinFreeHeap();
+    root["psram_total"] = ESP.getPsramSize();
+    root["psram_used"] = ESP.getPsramSize() - ESP.getFreePsram();
     root["sketch_total"] = ESP.getFreeSketchSpace();
     root["sketch_used"] = ESP.getSketchSize();
     root["littlefs_total"] = LittleFS.totalBytes();

src/main.cpp

@@ -24,9 +24,13 @@
 #include <Arduino.h>
 #include <LittleFS.h>
 #include <TaskScheduler.h>
+#include <esp_heap_caps.h>
 
 void setup()
 {
+    // Move all dynamic allocations >512byte to psram (if available)
+    heap_caps_malloc_extmem_enable(512);
+
     // Initialize serial output
     Serial.begin(SERIAL_BAUDRATE);
 #if ARDUINO_USB_CDC_ON_BOOT

webapp/src/components/MemoryInfo.vue

@@ -14,6 +14,8 @@
                 <tbody>
                     <FsInfo :name="$t('memoryinfo.Heap')" :total="systemStatus.heap_total"
                         :used="systemStatus.heap_used" />
+                    <FsInfo :name="$t('memoryinfo.PsRam')" :total="systemStatus.psram_total"
+                        :used="systemStatus.psram_used" />
                     <FsInfo :name="$t('memoryinfo.LittleFs')" :total="systemStatus.littlefs_total"
                         :used="systemStatus.littlefs_used" />
                     <FsInfo :name="$t('memoryinfo.Sketch')" :total="systemStatus.sketch_total"

webapp/src/locales/de.json

@@ -209,6 +209,7 @@
         "Used": "Benutzt",
         "Size": "Größe",
         "Heap": "Heap",
+        "PsRam": "PSRAM",
         "LittleFs": "LittleFs",
         "Sketch": "Sketch"
     },

webapp/src/locales/en.json

@@ -209,6 +209,7 @@
         "Used": "Used",
         "Size": "Size",
         "Heap": "Heap",
+        "PsRam": "PSRAM",
         "LittleFs": "LittleFs",
         "Sketch": "Sketch"
     },

webapp/src/locales/fr.json

@@ -209,6 +209,7 @@
         "Used": "Utilisée",
         "Size": "Taille",
         "Heap": "Heap",
+        "PsRam": "PSRAM",
         "LittleFs": "LittleFs",
         "Sketch": "Sketch"
     },

webapp/src/types/SystemStatus.ts

@@ -25,6 +25,8 @@ export interface SystemStatus {
     heap_min_free: number;
     littlefs_total: number;
     littlefs_used: number;
+    psram_total: number;
+    psram_used: number;
     sketch_total: number;
     sketch_used: number;
     // RadioInfo
@@ -33,4 +35,4 @@ export interface SystemStatus {
     nrf_pvariant: boolean;
     cmt_configured: boolean;
     cmt_connected: boolean;
-}
+}