log pru_rtaudio.p @ 127:6c8fb6f07b47 scope-refactoring

age author description
2015-07-27 Giulio Moro Uniformed formatting of pru_rtaudio.p (had a busy day): indent is 4 spaces throughout, hopefully
2015-07-27 Giulio Moro PRU now checks for McASP underrun and resets if detects it.
2015-07-17 Andrew McPherson Merge newapi into default
2015-05-28 andrewm Major API overhaul. Moved to a single data structure for handling render functions. Functionally, generally similar except for scheduling within PRU loop function, which now uses interrupts from the PRU rather than polling. This requires an updated kernel. newapi
2015-05-13 Giulio Moro Further improvements in the PRU readibility (removed unnecssary defines and renamed r27_current back to reg_digital_current) staging
2015-05-13 Giulio Moro Improved readibility of the DIGITAL code in the PRU, using register names instead of aliases and expanding some of the macros, removing unused macros. Binaries were not modified staging
2015-05-12 Giulio Moro GPIO pins are initialised as inputs by ARM to avoid spikes at startup, through gpio_set_dir. The buffers are set to 0x000ffff during initialisation. LastDigitalBuffer is staging