diff options
Diffstat (limited to 'wirish/pwm.cpp')
| -rw-r--r-- | wirish/pwm.cpp | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/wirish/pwm.cpp b/wirish/pwm.cpp index 7e8a535..44884cd 100644 --- a/wirish/pwm.cpp +++ b/wirish/pwm.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 @@ -25,21 +26,23 @@ *****************************************************************************/ /** - * @brief Arduino-style PWM implementation. + * @file wirish/pwm.cpp + * @brief Wiring-style pwmWrite(). */ -#include "pwm.h" +#include <wirish/pwm.h> -#include "libmaple_types.h" -#include "timer.h" +#include <libmaple/libmaple_types.h> +#include <libmaple/timer.h> -#include "boards.h" +#include <wirish/boards.h> void pwmWrite(uint8 pin, uint16 duty_cycle) { - timer_dev *dev = PIN_MAP[pin].timer_device; - if (pin >= BOARD_NR_GPIO_PINS || dev == NULL || dev->type == TIMER_BASIC) { + if (pin >= BOARD_NR_GPIO_PINS) { return; } - - timer_set_compare(dev, PIN_MAP[pin].timer_channel, duty_cycle); + timer_dev *dev = PIN_MAP[pin].timer_device; + uint8 cc_channel = PIN_MAP[pin].timer_channel; + ASSERT(dev && cc_channel); + timer_set_compare(dev, cc_channel, duty_cycle); } |