drv_adc.h File Reference

ADC driver interface. More...

#include <stdint.h>
#include <sys/ioctl.h>

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Macros
#define	PX4_MAX_ADC_CHANNELS   12
#define	ADC0_DEVICE_PATH   "/dev/adc0"

Functions
struct	__attribute__ ((packed)) px4_adc_msg_t
__BEGIN_DECLS int	px4_arch_adc_init (uint32_t base_address)
	Initialize ADC hardware. More...
void	px4_arch_adc_uninit (uint32_t base_address)
	Uninitialize ADC hardware. More...
uint32_t	px4_arch_adc_sample (uint32_t base_address, unsigned channel)
	Read a sample from the ADC. More...
uint32_t	px4_arch_adc_temp_sensor_mask (void)
	Get the temperature sensor channel bitmask. More...
uint32_t	px4_arch_adc_dn_fullcount (void)
	Get the adc digital number full count. More...

Variables
	px4_adc_msg_t

Detailed Description

ADC driver interface.

Definition in file drv_adc.h.

Macro Definition Documentation

ADC0_DEVICE_PATH

#define ADC0_DEVICE_PATH   "/dev/adc0"

Definition at line 59 of file drv_adc.h.

Referenced by BatteryStatus::adc_init(), Sensors::adc_init(), ADC::sample(), test_adc(), and test_jig_voltages().

PX4_MAX_ADC_CHANNELS

#define PX4_MAX_ADC_CHANNELS   12

Definition at line 52 of file drv_adc.h.

Referenced by ADC::ADC(), BatteryStatus::adc_poll(), Sensors::adc_poll(), test_adc(), and test_jig_voltages().

Function Documentation

__attribute__()

struct __attribute__

(

(packed)

)

Definition at line 53 of file drv_adc.h.

px4_arch_adc_dn_fullcount()

uint32_t px4_arch_adc_dn_fullcount

(

void

)

Get the adc digital number full count.

Referenced by ADC::update_adc_report(), battery_status::update_parameters(), and ADC::update_system_power().

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px4_arch_adc_init()

__BEGIN_DECLS int px4_arch_adc_init

(

uint32_t

base_address

)

Initialize ADC hardware.

Parameters

base_address

architecture-specific address to specify the ADC

Returns

0 on success, <0 error otherwise

Referenced by ADC::init().

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px4_arch_adc_sample()

uint32_t px4_arch_adc_sample	(	uint32_t	base_address,
		unsigned	channel
	)

Read a sample from the ADC.

Parameters

base_address	architecture-specific address to specify the ADC
channel	specify the channel

Returns

sample, 0xffffffff on error

Referenced by ADC::sample().

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px4_arch_adc_temp_sensor_mask()

uint32_t px4_arch_adc_temp_sensor_mask

(

void

)

Get the temperature sensor channel bitmask.

Referenced by ADC::ADC().

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px4_arch_adc_uninit()

void px4_arch_adc_uninit

(

uint32_t

base_address

)

Uninitialize ADC hardware.

Parameters

base_address

architecture-specific address to specify the ADC

Referenced by ADC::~ADC().

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Variable Documentation

px4_adc_msg_t

px4_adc_msg_t

Definition at line 56 of file drv_adc.h.

Referenced by ADC::ADC(), BatteryStatus::adc_poll(), Sensors::adc_poll(), ADC::read(), ADC::sample(), test_adc(), and test_jig_voltages().