Inheritance diagram for ADC:

Collaboration diagram for ADC:

Public Member Functions
	ADC (uint32_t base_address, uint32_t channels)

	~ADC ()

virtual int	init ()

virtual int	ioctl (file *filp, int cmd, unsigned long arg)

virtual ssize_t	read (file filp, char buffer, size_t len)

Public Member Functions inherited from cdev::CDev
	CDev (const char *devname)
	Constructor. More...

	CDev (const CDev &)=delete

CDev &	operator= (const CDev &)=delete

	CDev (CDev &&)=delete

CDev &	operator= (CDev &&)=delete

virtual	~CDev ()

virtual int	open (file_t *filep)
	Handle an open of the device. More...

virtual int	close (file_t *filep)
	Handle a close of the device. More...

virtual ssize_t	read (file_t filep, char buffer, size_t buflen)
	Perform a read from the device. More...

virtual ssize_t	write (file_t filep, const char buffer, size_t buflen)
	Perform a write to the device. More...

virtual off_t	seek (file_t *filep, off_t offset, int whence)
	Perform a logical seek operation on the device. More...

virtual int	ioctl (file_t *filep, int cmd, unsigned long arg)
	Perform an ioctl operation on the device. More...

virtual int	poll (file_t filep, px4_pollfd_struct_t fds, bool setup)
	Perform a poll setup/teardown operation. More...

const char *	get_devname () const
	Get the device name. More...

Protected Member Functions
virtual int	open_first (struct file *filp)

virtual int	close_last (struct file *filp)

Protected Member Functions inherited from cdev::CDev
virtual pollevent_t	poll_state (file_t *filep)
	Check the current state of the device for poll events from the perspective of the file. More...

virtual void	poll_notify (pollevent_t events)
	Report new poll events. More...

virtual void	poll_notify_one (px4_pollfd_struct_t *fds, pollevent_t events)
	Internal implementation of poll_notify. More...

virtual int	open_first (file_t *filep)
	Notification of the first open. More...

virtual int	close_last (file_t *filep)
	Notification of the last close. More...

virtual int	register_class_devname (const char *class_devname)
	Register a class device name, automatically adding device class instance suffix if need be. More...

virtual int	unregister_class_devname (const char *class_devname, unsigned class_instance)
	Register a class device name, automatically adding device class instance suffix if need be. More...

void	lock ()
	Take the driver lock. More...

void	unlock ()
	Release the driver lock. More...

int	unregister_driver_and_memory ()
	First, unregisters the driver. More...

Private Member Functions
void	Run () override

uint32_t	sample (unsigned channel)
	Sample a single channel and return the measured value. More...

void	update_adc_report (hrt_abstime now)

void	update_system_power (hrt_abstime now)

Private Attributes
perf_counter_t	_sample_perf

unsigned	_channel_count {0}

const uint32_t	_base_address

px4_adc_msg_t *	_samples {nullptr}
	sample buffer More...

uORB::Publication< adc_report_s >	_to_adc_report {ORB_ID(adc_report)}

uORB::Publication< system_power_s >	_to_system_power {ORB_ID(system_power)}

Static Private Attributes
static const hrt_abstime	kINTERVAL {10_ms}
	100Hz base rate More...

Additional Inherited Members
Protected Attributes inherited from cdev::CDev
px4_sem_t	_lock
	lock to protect access to all class members (also for derived classes) More...

Static Protected Attributes inherited from cdev::CDev
static const px4_file_operations_t	fops = {}
	Pointer to the default cdev file operations table; useful for registering clone devices etc. More...

Detailed Description

Definition at line 63 of file adc.cpp.

Constructor & Destructor Documentation

◆ ADC()

ADC::ADC	(	uint32_t	base_address,
		uint32_t	channels
	)

Definition at line 105 of file adc.cpp.

References _channel_count, _samples, ADC_TOTAL_CHANNELS, px4_adc_msg_t, px4_arch_adc_temp_sensor_mask(), and PX4_MAX_ADC_CHANNELS.

Referenced by adc_main().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ ~ADC()

ADC::~ADC ( )

Definition at line 141 of file adc.cpp.

References _base_address, _sample_perf, _samples, perf_free(), and px4_arch_adc_uninit().

Here is the call graph for this function:

Member Function Documentation

◆ close_last()

int ADC::close_last ( struct file * filp )

protectedvirtual

Definition at line 201 of file adc.cpp.

◆ init()

int ADC::init ( )

virtual

Reimplemented from cdev::CDev.

Definition at line 152 of file adc.cpp.

References _base_address, ToneAlarmInterface::init(), and px4_arch_adc_init().

Here is the call graph for this function:

◆ ioctl()

int ADC::ioctl	(	file *	filp,
		int	cmd,
		unsigned long	arg
	)

virtual

Definition at line 166 of file adc.cpp.

◆ open_first()

int ADC::open_first ( struct file * filp )

protectedvirtual

Definition at line 189 of file adc.cpp.

References kINTERVAL, and Run().

Here is the call graph for this function:

◆ read()

ssize_t ADC::read	(	file *	filp,
		char *	buffer,
		size_t	len
	)

virtual

Definition at line 172 of file adc.cpp.

References _channel_count, _samples, and px4_adc_msg_t.

Referenced by sample().

Here is the caller graph for this function:

◆ Run()

void ADC::Run ( )

overrideprivate

Definition at line 209 of file adc.cpp.

References _channel_count, _samples, hrt_absolute_time(), hrt_abstime, sample(), update_adc_report(), and update_system_power().

Referenced by open_first().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ sample()

uint32_t ADC::sample ( unsigned channel )

private

Sample a single channel and return the measured value.

Parameters

channel The channel to sample.

Returns: The sampled value, or UINT32_MAX if sampling failed.

Definition at line 328 of file adc.cpp.

References _base_address, _sample_perf, ADC0_DEVICE_PATH, adc_main(), ADC_TOTAL_CHANNELS, data, fd, cdev::CDev::open(), perf_begin(), perf_end(), px4_adc_msg_t, px4_arch_adc_sample(), read(), and lps25h::test().

Referenced by Run().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ update_adc_report()

void ADC::update_adc_report ( hrt_abstime now )

private

Definition at line 223 of file adc.cpp.

References _channel_count, _samples, _to_adc_report, adc_report_s::channel_id, adc_report_s::channel_value, uORB::Publication< T >::publish(), px4_arch_adc_dn_fullcount(), and adc_report_s::timestamp.

Referenced by Run().

Here is the call graph for this function:

Here is the caller graph for this function:

◆ update_system_power()

void ADC::update_system_power ( hrt_abstime now )

private

Definition at line 244 of file adc.cpp.

References _channel_count, _samples, _to_system_power, uORB::Publication< T >::publish(), px4_arch_adc_dn_fullcount(), and system_power_s::timestamp.

Referenced by Run().

Here is the call graph for this function:

Here is the caller graph for this function:

Member Data Documentation

◆ _base_address

const uint32_t ADC::_base_address

private

Definition at line 98 of file adc.cpp.

Referenced by init(), sample(), and ~ADC().

◆ _channel_count

unsigned ADC::_channel_count {0}

private

Definition at line 97 of file adc.cpp.

Referenced by ADC(), read(), Run(), update_adc_report(), and update_system_power().

◆ _sample_perf

perf_counter_t ADC::_sample_perf

private

Definition at line 95 of file adc.cpp.

Referenced by sample(), and ~ADC().

◆ _samples

px4_adc_msg_t* ADC::_samples {nullptr}

private

sample buffer

Definition at line 99 of file adc.cpp.

Referenced by ADC(), read(), Run(), update_adc_report(), update_system_power(), and ~ADC().

◆ _to_adc_report

uORB::Publication<adc_report_s> ADC::_to_adc_report {ORB_ID(adc_report)}

private

Definition at line 101 of file adc.cpp.

Referenced by update_adc_report().

◆ _to_system_power

uORB::Publication<system_power_s> ADC::_to_system_power {ORB_ID(system_power)}

private

Definition at line 102 of file adc.cpp.

Referenced by update_system_power().

◆ kINTERVAL

const hrt_abstime ADC::kINTERVAL {10_ms}

staticprivate

100Hz base rate

Definition at line 93 of file adc.cpp.

Referenced by open_first().

The documentation for this class was generated from the following file:

src/drivers/adc/adc.cpp

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ADC()

◆ ~ADC()

Member Function Documentation

◆ close_last()

◆ init()

◆ ioctl()

◆ open_first()

◆ read()

◆ Run()

◆ sample()

◆ update_adc_report()

◆ update_system_power()

Member Data Documentation

◆ _base_address

◆ _channel_count

◆ _sample_perf

◆ _samples

◆ _to_adc_report

◆ _to_system_power

◆ kINTERVAL