Add ArtNetDMX Pico W firmware with dual DMX and docs.

Art-Net to two RS-485 outputs over Wi-Fi (AP or STA with SoftAP fallback), web UI, mDNS, and QLC+/ArtPoll notes for unicast on STA. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-09-11 00:00:23 +12:00
commit fea6dffa74
26 changed files with 3013 additions and 0 deletions
@@ -0,0 +1,54 @@
+cmake_minimum_required(VERSION 3.13)
+
+set(PICO_BOARD pico_w CACHE STRING "Board type")
+set(PICO_CYW43_ARCH_THREADSAFE_BACKGROUND ON)
+
+include(${CMAKE_CURRENT_LIST_DIR}/pico_sdk_import.cmake)
+
+project(artnetdmx C CXX ASM)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
+
+pico_sdk_init()
+
+add_executable(artnetdmx
+    src/main.c
+    src/config.c
+    src/channels.c
+    src/dmx_out.c
+    src/artnet.c
+    src/wifi_mgr.c
+    src/http_server.c
+    third_party/dhcpserver/dhcpserver.c
+)
+
+pico_generate_pio_header(artnetdmx ${CMAKE_CURRENT_LIST_DIR}/src/dmx_out.pio)
+
+target_include_directories(artnetdmx PRIVATE
+    ${CMAKE_CURRENT_LIST_DIR}/include
+    ${CMAKE_CURRENT_LIST_DIR}
+    ${CMAKE_CURRENT_LIST_DIR}/third_party/dhcpserver
+)
+
+target_compile_definitions(artnetdmx PRIVATE
+    PICO_CYW43_ARCH_THREADSAFE_BACKGROUND=1
+)
+
+target_link_libraries(artnetdmx
+    pico_stdlib
+    pico_cyw43_arch_lwip_threadsafe_background
+    pico_lwip_mdns
+    hardware_pio
+    hardware_dma
+    hardware_flash
+    hardware_sync
+)
+
+pico_configure_ip4_address(artnetdmx PRIVATE
+    CYW43_DEFAULT_IP_AP_ADDRESS 192.168.4.1
+)
+
+pico_enable_stdio_usb(artnetdmx 1)
+pico_enable_stdio_uart(artnetdmx 0)
+
+pico_add_extra_outputs(artnetdmx)