Add Pico 2 W examples

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/CMakeLists.txt

@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.13)
+include(pico-sdk/pico_sdk_init.cmake)
+
+project(firmware)
+pico_sdk_init()
+
+add_executable(firmware
+	main.c
+	mongoose.c
+	net.c
+	packed_fs.c
+)
+
+target_include_directories(firmware PUBLIC
+  .
+)
+
+target_link_libraries(firmware pico_stdlib pico_rand pico_cyw43_driver pico_cyw43_arch_none)
+pico_add_extra_outputs(firmware)     # create map/bin/hex file etc.
+
+pico_enable_stdio_usb(firmware 1)    # Route stdio
+pico_enable_stdio_uart(firmware 0)   # to USB
+
+# Mongoose build flags in mongoose_config.h
+
+# Example build options
+add_definitions(-DHTTP_URL="http://0.0.0.0/")
+

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/Makefile

@@ -0,0 +1,22 @@
+RM = rm -rf
+MKBUILD = rm -rf build && mkdir -p build # test -d build || mkdir build
+ifeq ($(OS),Windows_NT)
+  RM = cmd /C del /Q /F /S
+  MKBUILD = if not exist build mkdir build
+endif
+
+all example:
+	true
+
+build: pico-sdk build/firmware.uf2
+
+build/firmware.uf2:
+	$(MKBUILD)
+	cd build && cmake -DPICO_BOARD="pico2_w" -G "Unix Makefiles" .. && make
+
+pico-sdk:
+	git clone --depth 1 -b 2.1.0 https://github.com/raspberrypi/pico-sdk $@
+	cd $@ && git submodule update --init
+
+clean:
+	$(RM) pico-sdk build

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/README.md

@@ -0,0 +1,4 @@
+
+# Mongoose on PICO 2 W
+
+

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/main.c

@@ -0,0 +1,48 @@
+// Copyright (c) 2024 Cesanta Software Limited
+// All rights reserved
+
+#include "mongoose.h"
+#include "net.h"
+
+
+#define WIFI_SSID "yourWiFiSSID"
+#define WIFI_PASS "yourWiFiPassword"
+
+
+int main(void) {
+  // initialize stdio
+  stdio_init_all();  
+
+  struct mg_mgr mgr;        // Initialise Mongoose event manager
+  mg_mgr_init(&mgr);        // and attach it to the interface
+  mg_log_set(MG_LL_DEBUG);  // Set log level
+
+  // Initialise WiFi creds
+  struct mg_tcpip_driver_pico_w_data driver_data = {
+    .ssid = WIFI_SSID,
+    .pass = WIFI_PASS
+  };
+  // Initialise Mongoose network stack
+  // Either set use_dhcp or enter a static config.
+  // For static configuration, specify IP/mask/GW in network byte order
+  struct mg_tcpip_if mif = {
+      .ip = 0,
+      .driver = &mg_tcpip_driver_pico_w,
+      .driver_data = &driver_data,
+      .recv_queue.size = 8192
+  };
+  
+  mg_tcpip_init(&mgr, &mif);
+  MG_INFO(("Init done, starting main loop"));
+
+  MG_INFO(("Initialising application..."));
+  web_init(&mgr);
+
+  MG_INFO(("Starting event loop"));
+  for (;;) {
+    mg_mgr_poll(&mgr, 0);
+  }
+
+  return 0;
+}
+

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/mongoose.c

@@ -0,0 +1 @@
+../../../mongoose.c

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/mongoose.h

@@ -0,0 +1 @@
+../../../mongoose.h

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/mongoose_config.h

@@ -0,0 +1,6 @@
+#define MG_ARCH MG_ARCH_PICOSDK
+
+#define MG_ENABLE_TCPIP 1
+#define MG_ENABLE_DRIVER_PICO_W 1
+#define MG_ENABLE_TCPIP_DRIVER_INIT 0
+#define MG_ENABLE_PACKED_FS 1

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/net.c

@@ -0,0 +1 @@
+../../device-dashboard/net.c

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/net.h

@@ -0,0 +1 @@
+../../device-dashboard/net.h

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/packed_fs.c

@@ -0,0 +1 @@
+../../device-dashboard/packed_fs.c

examples/pico-sdk/pico-2-w-picosdk-baremetal-builtin/pico_sdk_import.cmake

@@ -0,0 +1,84 @@
+# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake
+
+# This can be dropped into an external project to help locate this SDK
+# It should be include()ed prior to project()
+
+if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
+    set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
+    message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT))
+    set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT})
+    message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH))
+    set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH})
+    message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_TAG} AND (NOT PICO_SDK_FETCH_FROM_GIT_TAG))
+    set(PICO_SDK_FETCH_FROM_GIT_TAG $ENV{PICO_SDK_FETCH_FROM_GIT_TAG})
+    message("Using PICO_SDK_FETCH_FROM_GIT_TAG from environment ('${PICO_SDK_FETCH_FROM_GIT_TAG}')")
+endif ()
+
+if (PICO_SDK_FETCH_FROM_GIT AND NOT PICO_SDK_FETCH_FROM_GIT_TAG)
+  set(PICO_SDK_FETCH_FROM_GIT_TAG "master")
+  message("Using master as default value for PICO_SDK_FETCH_FROM_GIT_TAG")
+endif()
+
+set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
+set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
+set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
+set(PICO_SDK_FETCH_FROM_GIT_TAG "${PICO_SDK_FETCH_FROM_GIT_TAG}" CACHE FILEPATH "release tag for SDK")
+
+if (NOT PICO_SDK_PATH)
+    if (PICO_SDK_FETCH_FROM_GIT)
+        include(FetchContent)
+        set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
+        if (PICO_SDK_FETCH_FROM_GIT_PATH)
+            get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
+        endif ()
+        # GIT_SUBMODULES_RECURSE was added in 3.17
+        if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
+            FetchContent_Declare(
+                    pico_sdk
+                    GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
+                    GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
+                    GIT_SUBMODULES_RECURSE FALSE
+            )
+        else ()
+            FetchContent_Declare(
+                    pico_sdk
+                    GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
+                    GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
+            )
+        endif ()
+
+        if (NOT pico_sdk)
+            message("Downloading Raspberry Pi Pico SDK")
+            FetchContent_Populate(pico_sdk)
+            set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
+        endif ()
+        set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
+    else ()
+        message(FATAL_ERROR
+                "SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
+                )
+    endif ()
+endif ()
+
+get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+if (NOT EXISTS ${PICO_SDK_PATH})
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found")
+endif ()
+
+set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
+if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
+endif ()
+
+set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
+
+include(${PICO_SDK_INIT_CMAKE_FILE})

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/CMakeLists.txt

@@ -0,0 +1,33 @@
+cmake_minimum_required(VERSION 3.13)
+include(pico-sdk/pico_sdk_init.cmake)
+include(FreeRTOS_Kernel_import.cmake)
+
+project(firmware)
+pico_sdk_init()
+
+add_executable(firmware
+	main.c
+	mongoose.c
+	net.c
+	packed_fs.c
+)
+
+target_include_directories(firmware PUBLIC
+  .
+)
+
+target_link_libraries(firmware
+	pico_stdlib
+	pico_rand
+	pico_cyw43_arch_lwip_sys_freertos
+	FreeRTOS-Kernel-Heap4
+)
+pico_add_extra_outputs(firmware)     # create map/bin/hex file etc.
+
+pico_enable_stdio_usb(firmware 1)    # Route stdio
+pico_enable_stdio_uart(firmware 0)   # to USB
+
+# Mongoose build flags in mongoose_config.h
+
+# Example build options
+add_definitions(-DHTTP_URL="http://0.0.0.0/")

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/FreeRTOSConfig.h

@@ -0,0 +1,156 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+#ifndef FREERTOS_CONFIG_EXAMPLES_COMMON_H
+#define FREERTOS_CONFIG_EXAMPLES_COMMON_H
+
+/*-----------------------------------------------------------
+ * Application specific definitions.
+ *
+ * These definitions should be adjusted for your particular hardware and
+ * application requirements.
+ *
+ * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+ * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+ *
+ * See http://www.freertos.org/a00110.html
+ *----------------------------------------------------------*/
+
+/* Scheduler Related */
+#define configUSE_PREEMPTION                    1
+#define configUSE_TICKLESS_IDLE                 0
+#define configUSE_IDLE_HOOK                     0
+#define configUSE_TICK_HOOK                     0
+#define configTICK_RATE_HZ                      ( ( TickType_t ) 1000 )
+#define configMAX_PRIORITIES                    32
+#define configMINIMAL_STACK_SIZE                ( configSTACK_DEPTH_TYPE ) 512
+#define configUSE_16_BIT_TICKS                  0
+
+#define configIDLE_SHOULD_YIELD                 1
+
+/* Synchronization Related */
+#define configUSE_MUTEXES                       1
+#define configUSE_RECURSIVE_MUTEXES             1
+#define configUSE_APPLICATION_TASK_TAG          0
+#define configUSE_COUNTING_SEMAPHORES           1
+#define configQUEUE_REGISTRY_SIZE               8
+#define configUSE_QUEUE_SETS                    1
+#define configUSE_TIME_SLICING                  1
+#define configUSE_NEWLIB_REENTRANT              0
+// todo need this for lwip FreeRTOS sys_arch to compile
+#define configENABLE_BACKWARD_COMPATIBILITY     1
+#define configNUM_THREAD_LOCAL_STORAGE_POINTERS 5
+
+/* System */
+#define configSTACK_DEPTH_TYPE                  uint32_t
+#define configMESSAGE_BUFFER_LENGTH_TYPE        size_t
+
+/* Memory allocation related definitions. */
+#define configSUPPORT_STATIC_ALLOCATION         0
+#define configSUPPORT_DYNAMIC_ALLOCATION        1
+#define configTOTAL_HEAP_SIZE                   (128*1024)
+#define configAPPLICATION_ALLOCATED_HEAP        0
+
+/* Hook function related definitions. */
+#define configCHECK_FOR_STACK_OVERFLOW          0
+#define configUSE_MALLOC_FAILED_HOOK            0
+#define configUSE_DAEMON_TASK_STARTUP_HOOK      0
+
+/* Run time and task stats gathering related definitions. */
+#define configGENERATE_RUN_TIME_STATS           0
+#define configUSE_TRACE_FACILITY                1
+#define configUSE_STATS_FORMATTING_FUNCTIONS    0
+
+/* Co-routine related definitions. */
+#define configUSE_CO_ROUTINES                   0
+#define configMAX_CO_ROUTINE_PRIORITIES         1
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                        1
+#define configTIMER_TASK_PRIORITY               ( configMAX_PRIORITIES - 1 )
+#define configTIMER_QUEUE_LENGTH                10
+#define configTIMER_TASK_STACK_DEPTH            1024
+
+/* Interrupt nesting behaviour configuration. */
+/*
+#define configKERNEL_INTERRUPT_PRIORITY         [dependent of processor]
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY    [dependent on processor and application]
+#define configMAX_API_CALL_INTERRUPT_PRIORITY   [dependent on processor and application]
+*/
+
+#define configNUMBER_OF_CORES                   2
+/* SMP (configNUMBER_OF_CORES > 1) only */
+#define configTICK_CORE                         0
+#define configRUN_MULTIPLE_PRIORITIES           1
+#if configNUMBER_OF_CORES > 1
+#define configUSE_CORE_AFFINITY                 1
+#endif
+#define configUSE_PASSIVE_IDLE_HOOK             0
+
+/* Armv8-M */
+
+/* Not currently supported */
+#define configENABLE_MPU                        0
+//#define configSYSTEM_CALL_STACK_SIZE            ( configSTACK_DEPTH_TYPE ) 512
+#define configENABLE_FPU                        1
+/* Not currently supported */
+#define configENABLE_TRUSTZONE                  0
+#define configRUN_FREERTOS_SECURE_ONLY          1
+// see https://www.freertos.org/RTOS-Cortex-M3-M4.html
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY    16
+
+/* RP2xxx specific */
+#define configSUPPORT_PICO_SYNC_INTEROP         1
+#define configSUPPORT_PICO_TIME_INTEROP         1
+
+#include <assert.h>
+/* Define to trap errors during development. */
+#define configASSERT(x)                         assert(x)
+
+/* Set the following definitions to 1 to include the API function, or zero
+to exclude the API function. */
+#define INCLUDE_vTaskPrioritySet                1
+#define INCLUDE_uxTaskPriorityGet               1
+#define INCLUDE_vTaskDelete                     1
+#define INCLUDE_vTaskSuspend                    1
+#define INCLUDE_vTaskDelayUntil                 1
+#define INCLUDE_vTaskDelay                      1
+#define INCLUDE_xTaskGetSchedulerState          1
+#define INCLUDE_xTaskGetCurrentTaskHandle       1
+#define INCLUDE_uxTaskGetStackHighWaterMark     1
+#define INCLUDE_xTaskGetIdleTaskHandle          1
+#define INCLUDE_eTaskGetState                   1
+#define INCLUDE_xTimerPendFunctionCall          1
+#define INCLUDE_xTaskAbortDelay                 1
+#define INCLUDE_xTaskGetHandle                  1
+#define INCLUDE_xTaskResumeFromISR              1
+#define INCLUDE_xQueueGetMutexHolder            1
+
+/* A header file that defines trace macro can be included here. */
+
+#endif /* FREERTOS_CONFIG_H */
+

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/FreeRTOS_Kernel_import.cmake

@@ -0,0 +1,91 @@
+# This is a copy of <FREERTOS_KERNEL_PATH>/portable/ThirdParty/GCC/RP2040/FREERTOS_KERNEL_import.cmake
+
+# This can be dropped into an external project to help locate the FreeRTOS kernel
+# It should be include()ed prior to project(). Alternatively this file may
+# or the CMakeLists.txt in this directory may be included or added via add_subdirectory
+# respectively.
+
+if (DEFINED ENV{FREERTOS_KERNEL_PATH} AND (NOT FREERTOS_KERNEL_PATH))
+    set(FREERTOS_KERNEL_PATH $ENV{FREERTOS_KERNEL_PATH})
+    message("Using FREERTOS_KERNEL_PATH from environment ('${FREERTOS_KERNEL_PATH}')")
+endif ()
+
+# first pass we look in old tree; second pass we look in new tree
+foreach(SEARCH_PASS RANGE 0 1)
+    if (SEARCH_PASS)
+        # ports may be moving to submodule in the future
+        set(FREERTOS_KERNEL_RP2040_RELATIVE_PATH "portable/ThirdParty/Community-Supported-Ports/GCC")
+        set(FREERTOS_KERNEL_RP2040_BACK_PATH "../../../../..")
+    else()
+        set(FREERTOS_KERNEL_RP2040_RELATIVE_PATH "portable/ThirdParty/GCC")
+        set(FREERTOS_KERNEL_RP2040_BACK_PATH "../../../..")
+    endif()
+
+    if(PICO_PLATFORM STREQUAL "rp2040")
+        set(FREERTOS_KERNEL_RP2040_RELATIVE_PATH "${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}/RP2040")
+    else()
+        if (PICO_PLATFORM STREQUAL "rp2350-riscv")
+            set(FREERTOS_KERNEL_RP2040_RELATIVE_PATH "${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}/RP2350_RISC-V")
+        else()
+            set(FREERTOS_KERNEL_RP2040_RELATIVE_PATH "${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}/RP2350_ARM_NTZ")
+        endif()
+    endif()
+
+    if (NOT FREERTOS_KERNEL_PATH)
+        # check if we are inside the FreeRTOS kernel tree (i.e. this file has been included directly)
+        get_filename_component(_ACTUAL_PATH ${CMAKE_CURRENT_LIST_DIR} REALPATH)
+        get_filename_component(_POSSIBLE_PATH ${CMAKE_CURRENT_LIST_DIR}/${FREERTOS_KERNEL_RP2040_BACK_PATH}/${FREERTOS_KERNEL_RP2040_RELATIVE_PATH} REALPATH)
+        if (_ACTUAL_PATH STREQUAL _POSSIBLE_PATH)
+            get_filename_component(FREERTOS_KERNEL_PATH ${CMAKE_CURRENT_LIST_DIR}/${FREERTOS_KERNEL_RP2040_BACK_PATH} REALPATH)
+        endif()
+        if (_ACTUAL_PATH STREQUAL _POSSIBLE_PATH)
+            get_filename_component(FREERTOS_KERNEL_PATH ${CMAKE_CURRENT_LIST_DIR}/${FREERTOS_KERNEL_RP2040_BACK_PATH} REALPATH)
+            message("Setting FREERTOS_KERNEL_PATH to ${FREERTOS_KERNEL_PATH} based on location of FreeRTOS-Kernel-import.cmake")
+            break()
+        elseif (PICO_SDK_PATH AND EXISTS "${PICO_SDK_PATH}/../FreeRTOS-Kernel")
+            set(FREERTOS_KERNEL_PATH ${PICO_SDK_PATH}/../FreeRTOS-Kernel)
+            message("Defaulting FREERTOS_KERNEL_PATH as sibling of PICO_SDK_PATH: ${FREERTOS_KERNEL_PATH}")
+            break()
+        endif()
+    endif ()
+
+    if (NOT FREERTOS_KERNEL_PATH)
+        foreach(POSSIBLE_SUFFIX Source FreeRTOS-Kernel FreeRTOS/Source)
+            # check if FreeRTOS-Kernel exists under directory that included us
+            set(SEARCH_ROOT ${CMAKE_CURRENT_SOURCE_DIR})
+            get_filename_component(_POSSIBLE_PATH ${SEARCH_ROOT}/${POSSIBLE_SUFFIX} REALPATH)
+            if (EXISTS ${_POSSIBLE_PATH}/${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}/CMakeLists.txt)
+                get_filename_component(FREERTOS_KERNEL_PATH ${_POSSIBLE_PATH} REALPATH)
+                message("Setting FREERTOS_KERNEL_PATH to '${FREERTOS_KERNEL_PATH}' found relative to enclosing project")
+                break()
+            endif()
+        endforeach()
+        if (FREERTOS_KERNEL_PATH)
+            break()
+        endif()
+    endif()
+
+    # user must have specified
+    if (FREERTOS_KERNEL_PATH)
+        if (EXISTS "${FREERTOS_KERNEL_PATH}/${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}")
+            break()
+        endif()
+    endif()
+endforeach ()
+
+if (NOT FREERTOS_KERNEL_PATH)
+    message(FATAL_ERROR "FreeRTOS location was not specified. Please set FREERTOS_KERNEL_PATH.")
+endif()
+
+set(FREERTOS_KERNEL_PATH "${FREERTOS_KERNEL_PATH}" CACHE PATH "Path to the FreeRTOS Kernel")
+
+get_filename_component(FREERTOS_KERNEL_PATH "${FREERTOS_KERNEL_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+if (NOT EXISTS ${FREERTOS_KERNEL_PATH})
+    message(FATAL_ERROR "Directory '${FREERTOS_KERNEL_PATH}' not found")
+endif()
+if (NOT EXISTS ${FREERTOS_KERNEL_PATH}/${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}/CMakeLists.txt)
+    message(FATAL_ERROR "Directory '${FREERTOS_KERNEL_PATH}' does not contain a '${PICO_PLATFORM}' port here: ${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}")
+endif()
+set(FREERTOS_KERNEL_PATH ${FREERTOS_KERNEL_PATH} CACHE PATH "Path to the FreeRTOS_KERNEL" FORCE)
+
+add_subdirectory(${FREERTOS_KERNEL_PATH}/${FREERTOS_KERNEL_RP2040_RELATIVE_PATH} FREERTOS_KERNEL)

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/Makefile

@@ -0,0 +1,24 @@
+RM = rm -rf
+MKBUILD = rm -rf build && mkdir -p build # test -d build || mkdir build
+ifeq ($(OS),Windows_NT)
+  RM = cmd /C del /Q /F /S
+  MKBUILD = if not exist build mkdir build
+endif
+
+all example:
+	true
+
+build: pico-sdk FreeRTOS-Kernel build/firmware.uf2
+
+build/firmware.uf2:
+	$(MKBUILD)
+	cd build && cmake -DPICO_BOARD="pico2_w" -G "Unix Makefiles" .. && make
+
+pico-sdk:
+	git clone --depth 1 -b 2.1.0 https://github.com/raspberrypi/pico-sdk $@
+	cd $@ && git submodule update --init
+FreeRTOS-Kernel:  # FreeRTOS sources
+	git clone --depth 1 -b main https://github.com/raspberrypi/FreeRTOS-Kernel $@
+
+clean:
+	$(RM) pico-sdk build FreeRTOS-Kernel

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/README.md

@@ -0,0 +1,5 @@
+
+# Mongoose on PICO 2 W
+
+
+See detailed tutorial at https://mongoose.ws/tutorials/rp2040/pico-w/

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/lwipopts.h

@@ -0,0 +1,55 @@
+#ifndef _LWIPOPTS_H
+#define _LWIPOPTS_H
+
+#define TCPIP_THREAD_STACKSIZE 1024
+#define DEFAULT_THREAD_STACKSIZE 2048
+#define DEFAULT_RAW_RECVMBOX_SIZE 8
+#define TCPIP_MBOX_SIZE 16
+#define DEFAULT_UDP_RECVMBOX_SIZE TCPIP_MBOX_SIZE
+#define DEFAULT_TCP_RECVMBOX_SIZE TCPIP_MBOX_SIZE
+#define DEFAULT_ACCEPTMBOX_SIZE TCPIP_MBOX_SIZE
+#define LWIP_TIMEVAL_PRIVATE 0
+
+// not necessary, can be done either way
+#define LWIP_TCPIP_CORE_LOCKING_INPUT 1
+
+#define LWIP_SOCKET                 1
+#define LWIP_COMPAT_SOCKETS             1
+#define LWIP_POSIX_SOCKETS_IO_NAMES     1
+// MEM_LIBC_MALLOC is incompatible with non polling versions
+#define MEM_LIBC_MALLOC             0
+#define MEM_ALIGNMENT               4
+#define MEM_SIZE                    20000
+#define MEMP_NUM_TCP_PCB            10
+#define MEMP_NUM_TCP_SEG            32
+#define MEMP_NUM_ARP_QUEUE          10
+#define PBUF_POOL_SIZE              24
+#define LWIP_ARP                    1
+#define LWIP_ETHERNET               1
+#define LWIP_ICMP                   1
+#define LWIP_RAW                    1
+#define TCP_WND                     (8 * TCP_MSS)
+#define TCP_MSS                     1460
+#define TCP_SND_BUF                 (8 * TCP_MSS)
+#define TCP_SND_QUEUELEN            ((4 * (TCP_SND_BUF) + (TCP_MSS - 1)) / (TCP_MSS))
+#define LWIP_NETIF_STATUS_CALLBACK  1
+#define LWIP_NETIF_LINK_CALLBACK    1
+#define LWIP_NETIF_HOSTNAME         1
+#define LWIP_NETCONN                1
+#define MEMP_NUM_NETCONN           10
+#define MEM_STATS                   0
+#define SYS_STATS                   0
+#define MEMP_STATS                  0
+#define LINK_STATS                  0
+#define LWIP_CHKSUM_ALGORITHM       3
+#define LWIP_DHCP                   1
+#define LWIP_IPV4                   1
+#define LWIP_TCP                    1
+#define LWIP_UDP                    1
+#define LWIP_DNS                    0
+#define LWIP_TCP_KEEPALIVE          1
+#define LWIP_NETIF_TX_SINGLE_PBUF   1
+#define DHCP_DOES_ARP_CHECK         0
+#define LWIP_DHCP_DOES_ACD_CHECK    0
+
+#endif

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/main.c

@@ -0,0 +1,46 @@
+// Copyright (c) 2024 Cesanta Software Limited
+// All rights reserved
+
+#include "pico/stdlib.h"
+#include "pico/cyw43_arch.h"
+#include "FreeRTOS.h"
+#include <task.h>
+
+#include "mongoose.h"
+#include "net.h"
+
+#define WIFI_SSID "yourWiFiSSID"
+#define WIFI_PASS "yourWiFiPassword"
+
+static void mongoose(void *args) {
+  struct mg_mgr mgr;        // Initialise Mongoose event manager
+  mg_mgr_init(&mgr);        // and attach it to the interface
+  mg_log_set(MG_LL_DEBUG);  // Set log level
+
+  cyw43_arch_init();
+  cyw43_arch_enable_sta_mode();
+  cyw43_arch_wifi_connect_blocking(WIFI_SSID, WIFI_PASS, CYW43_AUTH_WPA2_AES_PSK);
+
+  MG_INFO(("Initialising application..."));
+  web_init(&mgr);
+
+  MG_INFO(("Starting event loop"));
+  for (;;) {
+    mg_mgr_poll(&mgr, 10);
+  }
+
+  (void) args;
+}
+
+
+int main(void) {
+  // initialize stdio
+  stdio_init_all();  
+
+  xTaskCreate(mongoose, "mongoose", 2048, 0, configMAX_PRIORITIES - 1, NULL);
+
+  vTaskStartScheduler();  // This blocks
+
+  return 0;
+}
+

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/mongoose.c

@@ -0,0 +1 @@
+../../../mongoose.c

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/mongoose.h

@@ -0,0 +1 @@
+../../../mongoose.h

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/mongoose_config.h

@@ -0,0 +1,4 @@
+#define MG_ARCH MG_ARCH_PICOSDK
+
+#define MG_ENABLE_LWIP 1
+#define MG_ENABLE_PACKED_FS 1

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/net.c

@@ -0,0 +1 @@
+../../device-dashboard/net.c

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/net.h

@@ -0,0 +1 @@
+../../device-dashboard/net.h

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/packed_fs.c

@@ -0,0 +1 @@
+../../device-dashboard/packed_fs.c

examples/pico-sdk/pico-2-w-picosdk-freertos-lwip/pico_sdk_import.cmake

@@ -0,0 +1,84 @@
+# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake
+
+# This can be dropped into an external project to help locate this SDK
+# It should be include()ed prior to project()
+
+if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
+    set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
+    message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT))
+    set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT})
+    message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH))
+    set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH})
+    message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
+endif ()
+
+if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_TAG} AND (NOT PICO_SDK_FETCH_FROM_GIT_TAG))
+    set(PICO_SDK_FETCH_FROM_GIT_TAG $ENV{PICO_SDK_FETCH_FROM_GIT_TAG})
+    message("Using PICO_SDK_FETCH_FROM_GIT_TAG from environment ('${PICO_SDK_FETCH_FROM_GIT_TAG}')")
+endif ()
+
+if (PICO_SDK_FETCH_FROM_GIT AND NOT PICO_SDK_FETCH_FROM_GIT_TAG)
+  set(PICO_SDK_FETCH_FROM_GIT_TAG "master")
+  message("Using master as default value for PICO_SDK_FETCH_FROM_GIT_TAG")
+endif()
+
+set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
+set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
+set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
+set(PICO_SDK_FETCH_FROM_GIT_TAG "${PICO_SDK_FETCH_FROM_GIT_TAG}" CACHE FILEPATH "release tag for SDK")
+
+if (NOT PICO_SDK_PATH)
+    if (PICO_SDK_FETCH_FROM_GIT)
+        include(FetchContent)
+        set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
+        if (PICO_SDK_FETCH_FROM_GIT_PATH)
+            get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
+        endif ()
+        # GIT_SUBMODULES_RECURSE was added in 3.17
+        if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
+            FetchContent_Declare(
+                    pico_sdk
+                    GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
+                    GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
+                    GIT_SUBMODULES_RECURSE FALSE
+            )
+        else ()
+            FetchContent_Declare(
+                    pico_sdk
+                    GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
+                    GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
+            )
+        endif ()
+
+        if (NOT pico_sdk)
+            message("Downloading Raspberry Pi Pico SDK")
+            FetchContent_Populate(pico_sdk)
+            set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
+        endif ()
+        set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
+    else ()
+        message(FATAL_ERROR
+                "SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
+                )
+    endif ()
+endif ()
+
+get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+if (NOT EXISTS ${PICO_SDK_PATH})
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found")
+endif ()
+
+set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
+if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
+endif ()
+
+set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
+
+include(${PICO_SDK_INIT_CMAKE_FILE})

examples/pico-sdk/pico-w-picosdk-freertos-lwip/main.c

@@ -26,7 +26,7 @@ static void mongoose(void *args) {
 
   MG_INFO(("Starting event loop"));
   for (;;) {
-    mg_mgr_poll(&mgr, 0);
+    mg_mgr_poll(&mgr, 10);
   }
 
   (void) args;