add mp3 player code

Code/MP3Player/CMakeLists.txt

@@ -0,0 +1,27 @@
+cmake_minimum_required(VERSION 3.16)
+
+# Set the target board
+set(YAHAL_BOARD "rpi-pico")
+# set(YAHAL_DIR ~/gitlab/YAHAL)
+
+# Locate the YAHAL library folder
+include(YAHAL_import.cmake)
+
+project(pico-mp3-player)
+
+add_executable(pico-mp3-player
+    pico_mp3_player.cpp
+    main_task.cpp
+    sd_reader_task.cpp
+    mp3_decoder_task.cpp
+    i2ckbd.cpp
+)
+
+# Add YAHAL, MAD and FatFs libraries
+yahal_add_me(pico-mp3-player)
+yahal_add_library(pico-mp3-player MAD)
+yahal_add_library(pico-mp3-player FatFs)
+yahal_add_library(pico-mp3-player uGUI)
+
+yahal_add_custom_targets(pico-mp3-player)
+yahal_add_extra_outputs(pico-mp3-player)