diff options
Diffstat (limited to 'wirish/wirish_analog.cpp')
| -rw-r--r-- | wirish/wirish_analog.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/wirish/wirish_analog.cpp b/wirish/wirish_analog.cpp index 7a12156..91ca0e2 100644 --- a/wirish/wirish_analog.cpp +++ b/wirish/wirish_analog.cpp @@ -2,6 +2,7 @@ * The MIT License * * Copyright (c) 2010 Perry Hung. + * Copyright (c) 2011, 2012 LeafLabs, LLC. * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation @@ -25,17 +26,17 @@ *****************************************************************************/ /** - * @brief Arduino-compatible ADC implementation. + * @file wirish/wirish_analog.cpp + * @brief Wiring-style analogRead() implementation. */ #include <wirish/io.h> - #include <libmaple/adc.h> - #include <wirish/boards.h> -/* Assumes that the ADC has been initialized and that the pin is set - * to INPUT_ANALOG */ +/* Unlike Wiring and Arduino, this assumes that the pin's mode is set + * to INPUT_ANALOG. That's faster, but it does require some extra work + * on the user's part. Not too much, we think ;). */ uint16 analogRead(uint8 pin) { const adc_dev *dev = PIN_MAP[pin].adc_device; if (dev == NULL) { |