PWM auf Pins 0 bis 20

2026-07-04 02:44:36 +02:00
parent 5234c8d23d
commit 1f4b353f6c
12 changed files with 392 additions and 0 deletions
@@ -0,0 +1,34 @@
+cmake_minimum_required(VERSION 3.13)
+
+# Pico 1 W: RP2040 + CYW43439.
+set(PICO_BOARD pico_w)
+
+include(pico_sdk_import.cmake)
+
+project(ampel C CXX ASM)
+
+pico_sdk_init()
+
+add_executable(ampel
+    ampel.c
+    pwm.c
+    hw_pwm.c
+    pio_pwm.c
+)
+
+# PIO-Assembler: generiert pio_pwm.pio.h in den Build-Ordner.
+pico_generate_pio_header(ampel ${CMAKE_CURRENT_LIST_DIR}/pio_pwm.pio)
+
+target_link_libraries(ampel
+    pico_stdlib
+    pico_cyw43_arch_none
+    hardware_pwm
+    hardware_pio
+    hardware_clocks
+)
+
+# stdio ueber USB-CDC — praktisch fuers Debuggen ueber tio.
+pico_enable_stdio_usb(ampel 1)
+pico_enable_stdio_uart(ampel 0)
+
+pico_add_extra_outputs(ampel)