adc_at91.h File Reference

ADC hardware-specific definition. More...

#include <hw/hw_cpufreq.h>
#include "cfg/cfg_adc.h"
#include <cfg/compiler.h>

Go to the source code of this file.

Defines
#define	ADC_MUX_MAXCH   8
	ADC config define.
#define	ADC_COMPUTED_PRESCALER   ((CPU_FREQ/(2 * CONFIG_ADC_CLOCK)) - 1)
	Macro for computing correct value to write into ADC register.
#define	ADC_INIT_PINS()
	Init pins macro for adc.
Functions
void	adc_hw_select_ch (uint8_t ch)
	Select mux channel ch.
uint16_t	adc_hw_read (void)
	Start an ADC convertion.
void	adc_hw_init (void)
	Init ADC hardware.

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Detailed Description

ADC hardware-specific definition.

Version:

Id

adc_at91.h 2607 2009-04-21 14:11:20Z batt

Version:

Id

adc_at91.h 2607 2009-04-21 14:11:20Z batt

Author:

Daniele Basile <asterix@develer.com>

Definition in file adc_at91.h.

---

Define Documentation

 

#define ADC_INIT_PINS

(

)

Value:

do { \
    } while (0)

Init pins macro for adc.

Define PIO controller for enable ADC function. Init the ADC pins. Implement it if necessary.

Definition at line 89 of file adc_at91.h.

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Function Documentation

uint16_t adc_hw_read

(

void

)

Start an ADC convertion.

If a kernel is present, preempt until convertion is complete, otherwise a busy wait on ADCS bit is done.

Definition at line 131 of file adc_at91.c.

void adc_hw_select_ch

(

uint8_t

ch

)

Select mux channel ch.

Definition at line 117 of file adc_at91.c.