1*61c4878aSAndroid Build Coastguard Worker.. _module-pw_sys_io_rp2040: 2*61c4878aSAndroid Build Coastguard Worker 3*61c4878aSAndroid Build Coastguard Worker---------------- 4*61c4878aSAndroid Build Coastguard Workerpw_sys_io_rp2040 5*61c4878aSAndroid Build Coastguard Worker---------------- 6*61c4878aSAndroid Build Coastguard Worker 7*61c4878aSAndroid Build Coastguard Worker``pw_sys_io_rp2040`` implements the ``pw_sys_io`` facade using the Pico's STDIO 8*61c4878aSAndroid Build Coastguard Workerlibrary. This backend will block on reads using a ``ThreadNotification`` 9*61c4878aSAndroid Build Coastguard Workerhowever writes will busy wait on completion. 10