pwm_at91.c File Reference

PWM hardware-specific implementation. More...

#include "pwm_at91.h"
#include "hw/pwm_map.h"
#include <hw/hw_cpufreq.h>
#include "cfg/cfg_pwm.h"
#include <cfg/log.h>
#include <cfg/macros.h>
#include <cfg/debug.h>
#include <io/arm.h>

Go to the source code of this file.

Functions
pwm_period_t	pwm_hw_getPeriod (PwmDev dev)
	Get preiod from select channel.
void	pwm_hw_setFrequency (PwmDev dev, uint32_t freq)
	Set pwm waveform frequecy.
void	pwm_hw_setDutyUnlock (PwmDev dev, uint16_t duty)
	Set pwm duty cycle.
void	pwm_hw_enable (PwmDev dev)
	Enable select pwm channel.
void	pwm_hw_disable (PwmDev dev)
	Disable select pwm channel.
void	pwm_hw_setPolarity (PwmDev dev, bool pol)
	Set PWM polarity to select pwm channel.
void	pwm_hw_init (void)
	Init pwm.
Variables
static PwmChannel	pwm_map [PWM_CNT]
	Register structure for pwm driver.

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Detailed Description

PWM hardware-specific implementation.

Version:

Id

pwm_at91.c 2488 2009-04-10 17:52:12Z batt

Author:

Daniele Basile <asterix@develer.com>

Definition in file pwm_at91.c.

---

Function Documentation

pwm_period_t pwm_hw_getPeriod

(

PwmDev

dev

)

Get preiod from select channel.

dev channel

Definition at line 107 of file pwm_at91.c.

void pwm_hw_setDutyUnlock	(	PwmDev	dev,
		uint16_t	duty
	)

Set pwm duty cycle.

duty value 0 - 2^16

Definition at line 144 of file pwm_at91.c.

void pwm_hw_setFrequency	(	PwmDev	dev,
		uint32_t	freq
	)

Set pwm waveform frequecy.

freq in Hz

Definition at line 117 of file pwm_at91.c.

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Variable Documentation

PwmChannel pwm_map[PWM_CNT] [static]

Register structure for pwm driver.

This array content all data and register pointer to manage pwm peripheral device.

Definition at line 61 of file pwm_at91.c.