#include <Alarm.hh>

Inheritance diagram for Alarm::Clock:

Collaboration diagram for Alarm::Clock:

Public Types
enum	InterruptMode { ON_LOW_LEVEL_MODE = 0, ON_CHANGE_MODE = _BV(ISC00), ON_FALLING_MODE = _BV(ISC01), ON_RISING_MODE = (_BV(ISC01) \| _BV(ISC00)) }

enum	Mode { OUTPUT_MODE = 0, INPUT_MODE = 1 }

enum	Direction { MSB_FIRST = 0, LSB_FIRST = 1 }

Public Member Functions
	Clock (Board::ExternalInterruptPin pin, InterruptMode mode=ON_RISING_MODE, bool pullup=false)

virtual uint32_t	time ()

void	time (uint32_t sec)

uint32_t	await ()

void	tick (uint16_t ms)

void	calibration (int16_t ms)

int16_t	calibration ()

void	adjust (int16_t ms)

virtual bool	start (Job *job)

virtual bool	stop (Job *job)

virtual void	dispatch ()

virtual void	enable ()

virtual void	disable ()

virtual void	clear ()

void	clear () const

void	mode (Mode mode)

Mode	mode () const

void	_set () const

void	_set (int value) const

void	set () const

void	set (int value) const

void	high () const

void	on () const

void	_clear () const

void	low () const

void	off () const

void	_toggle () const

void	toggle () const

void	_write (int value) const

void	write (int value) const

void	write (uint8_t value, OutputPin &clk, Direction order=MSB_FIRST) const

void	write (uint16_t value, uint8_t bits, uint16_t us) const

OutputPin &	operator<< (int value)

void	pulse (uint16_t us) const

uint8_t	pin () const

bool	is_set () const

bool	is_high () const

bool	is_on () const

bool	is_clear () const

bool	is_low () const

bool	is_off () const

bool	read () const

uint8_t	read (OutputPin &clk, Direction order=MSB_FIRST) const

	operator bool () const

Pin &	operator>> (uint8_t &var)

Static Public Member Functions
static void	mode (Board::DigitalPin pin, Mode mode)

static Mode	mode (Board::DigitalPin pin)

static void	mode (Board::DigitalPin pin, uint8_t initial=0)

static void	toggle (Board::DigitalPin pin)

static void	_write (Board::DigitalPin pin, uint8_t value)

static void	write (Board::DigitalPin pin, int value)

static uint8_t	MASK (uint8_t pin)

static volatile uint8_t *	PIN (uint8_t pin)

static volatile uint8_t *	DDR (uint8_t pin)

static volatile uint8_t *	PORT (uint8_t pin)

static bool	read (Board::DigitalPin pin)

Protected Member Functions
virtual void	on_interrupt (uint16_t arg=0)

volatile uint8_t *	PIN () const

volatile uint8_t *	DDR () const

volatile uint8_t *	PORT () const

volatile uint8_t *	PCIMR () const

Protected Attributes
int16_t	m_msec
	Milli-seconds fraction. More...

uint32_t	m_sec
	Seconds counter. More...

int16_t	m_cal
	Milli-seconds calibration. More...

Head	m_queue

volatile uint8_t *const	m_sfr

const uint8_t	m_mask

const uint8_t	m_pin

Detailed Description

Alarm Clock is an external interrupt based job scheduler. The interrupt source should provide an interrupt every second to update the seconds counter and dispatch expired alarms.

Definition at line 42 of file Alarm.hh.

Member Enumeration Documentation

enum Pin::Direction

inherited

Serialization directions; most or least significant bit first.

Enumerator
MSB_FIRST
LSB_FIRST

Definition at line 84 of file Pin.hh.

enum ExternalInterrupt::InterruptMode

inherited

Enumerator
ON_LOW_LEVEL_MODE
ON_CHANGE_MODE
ON_FALLING_MODE
ON_RISING_MODE

Definition at line 35 of file ExternalInterrupt.hh.

enum IOPin::Mode

inherited

Enumerator
OUTPUT_MODE
INPUT_MODE

Definition at line 31 of file IOPin.hh.

Constructor & Destructor Documentation

Alarm::Clock::Clock	(	Board::ExternalInterruptPin	pin,
		InterruptMode	mode = `ON_RISING_MODE`,
		bool	pullup = `false`
	)

inline

Construct Alarm Clock with given external interrupt pin, mode and pullup flag. The external interrupt is assumed to be a 1 Hz pulse generated by an external RTC module.

Parameters

[in]	pin	external interrupt pin.
[in]	mode	pin mode (Default ON_RISING_MODE).
[in]	pullup	flag (Default false).

Definition at line 52 of file Alarm.hh.

Member Function Documentation

void OutputPin::_clear ( ) const

inlineinherited

Clear the output pin. Unprotected version.

Definition at line 114 of file OutputPin.hh.

void OutputPin::_set ( ) const

inlineinherited

Set the output pin. Unprotected version.

Definition at line 75 of file OutputPin.hh.

void OutputPin::_set ( int value ) const

inlineinherited

Set the output pin with the given value. Zero(0) to clear and non-zero to set. Unprotected version.

Parameters

[in] value to set.

Definition at line 184 of file OutputPin.hh.

void OutputPin::_toggle ( ) const

inlineinherited

Toggle the output pin. Unprotected version.

Definition at line 153 of file OutputPin.hh.

void OutputPin::_write ( int value ) const

inlineinherited

Set the output pin with the given value. Zero(0) to clear and non-zero to set. Unprotected version.

Parameters

[in] value to set.

Definition at line 219 of file OutputPin.hh.

static void OutputPin::_write	(	Board::DigitalPin	pin,
		uint8_t	value
	)

inlinestaticinherited

Set the given output pin with the given value. Zero(0) to clear and non-zero to set. Unprotected version when pin and value are constants.

Parameters

[in]	pin	number (must be constant).
[in]	value	to write (must be constant).

Definition at line 345 of file OutputPin.hh.

void Clock::adjust ( int16_t ms )

inlineinherited

Adjust clock calibration with given number of milli-seconds.

Parameters

[in] ms milli-seconds.

Note: atomic

Definition at line 136 of file Clock.hh.

uint32_t Clock::await ( )

inlineinherited

Synchronize with clock by waiting for next clock update. Returns clock time in seconds.

Returns: seconds.

Definition at line 77 of file Clock.hh.

void Clock::calibration ( int16_t ms )

inlineinherited

Set clock calibration to given number of milli-seconds to adjust by per second.

Parameters

[in] ms milli-seconds.

Note: atomic

Definition at line 114 of file Clock.hh.

int16_t Clock::calibration ( )

inlineinherited

Get current clock calibration in milli-seconds.

Returns: calibration.

Note: atomic

Definition at line 124 of file Clock.hh.

void ExternalInterrupt::clear ( )

virtualinherited

Clear external interrupt flag.

Note: atomic

Reimplemented from Interrupt::Handler.

Definition at line 205 of file ExternalInterrupt.cpp.

void OutputPin::clear ( ) const

inlineinherited

Clear the output pin.

Note: atomic

Definition at line 124 of file OutputPin.hh.

static volatile uint8_t* Pin::DDR ( uint8_t pin )

inlinestaticinherited

Return pointer to Data Direction Register.

Parameters

[in] pin number.

Returns: DDR register pointer.

Definition at line 64 of file Pin.hh.

volatile uint8_t* Pin::DDR ( ) const

inlineprotectedinherited

Return pointer to Data Direction Register.

Returns: DDR register pointer.

Definition at line 245 of file Pin.hh.

void ExternalInterrupt::disable ( )

virtualinherited

Disable external interrupt handler.

Note: atomic

Reimplemented from Interrupt::Handler.

Definition at line 199 of file ExternalInterrupt.cpp.

void Job::Scheduler::dispatch ( )

virtualinherited

Dispatch expired jobs. This member function is typically called from an interrupt service routine.

Reimplemented in RTT::Scheduler.

Definition at line 53 of file Job_Scheduler.cpp.

void ExternalInterrupt::enable ( )

virtualinherited

Enable external interrupt handler.

Note: atomic

Reimplemented from Interrupt::Handler.

Definition at line 190 of file ExternalInterrupt.cpp.

void OutputPin::high ( ) const

inlineinherited

Set the output pin.

Note: atomic

Definition at line 95 of file OutputPin.hh.

bool Pin::is_clear ( ) const

inlineinherited

Return true(1) if the pin is clear otherwise false(0).

Returns: boolean.

Definition at line 142 of file Pin.hh.

bool Pin::is_high ( ) const

inlineinherited

Return true(1) if the pin is set otherwise false(0).

Returns: boolean.

Definition at line 122 of file Pin.hh.

bool Pin::is_low ( ) const

inlineinherited

Return true(1) if the pin is clear otherwise false(0).

Returns: boolean.

Definition at line 152 of file Pin.hh.

bool Pin::is_off ( ) const

inlineinherited

Return true(1) if the pin is clear otherwise false(0).

Returns: boolean.

Definition at line 162 of file Pin.hh.

bool Pin::is_on ( ) const

inlineinherited

Return true(1) if the pin is set otherwise false(0).

Returns: boolean.

Definition at line 132 of file Pin.hh.

bool Pin::is_set ( ) const

inlineinherited

Return true(1) if the pin is set otherwise false(0).

Returns: boolean.

Definition at line 112 of file Pin.hh.

void OutputPin::low ( ) const

inlineinherited

Clear the output pin.

Note: atomic

Definition at line 134 of file OutputPin.hh.

static uint8_t Pin::MASK ( uint8_t pin )

inlinestaticinherited

Return bit mask for given Arduino pin number.

Parameters

[in] pin number.

Returns: pin bit mask.

Definition at line 42 of file Pin.hh.

void IOPin::mode ( Mode mode )

inlineinherited

Change IO-pin to given mode.

Parameters

[in] mode new operation mode.

Note: atomic

Definition at line 56 of file IOPin.hh.

static void OutputPin::mode	(	Board::DigitalPin	pin,
		uint8_t	initial = `0`
	)

inlinestaticinherited

Set output pin to mode.

Parameters

[in]	pin	number.
[in]	initial	value.

Note: atomic

Definition at line 56 of file OutputPin.hh.

Mode IOPin::mode ( ) const

inlineinherited

Get current IO-pin mode.

Returns: mode.

Definition at line 71 of file IOPin.hh.

static void IOPin::mode	(	Board::DigitalPin	pin,
		Mode	mode
	)

inlinestaticinherited

Change IO-pin to given mode.

Parameters

[in]	pin	number.
[in]	mode	new operation mode.

Note: atomic

Definition at line 83 of file IOPin.hh.

static Mode IOPin::mode ( Board::DigitalPin pin )

inlinestaticinherited

Get IO-pin mode.

Parameters

[in] pin number.

Returns: mode.

Definition at line 101 of file IOPin.hh.

void OutputPin::off ( ) const

inlineinherited

Clear the output pin.

Note: atomic

Definition at line 144 of file OutputPin.hh.

void OutputPin::on ( ) const

inlineinherited

Set the output pin.

Note: atomic

Definition at line 105 of file OutputPin.hh.

virtual void Alarm::Clock::on_interrupt ( uint16_t arg = 0 )

inlineprotectedvirtual

Increment the seconds counter and dispatch any expired alarms.

Parameters

[in] arg argument from interrupt service routine (not used).

Reimplemented from ExternalInterrupt.

Definition at line 65 of file Alarm.hh.

Pin::operator bool ( ) const

inlineinherited

Read input pin and assign variable.

Parameters

[out] var to assign.

Returns: pin.

Definition at line 204 of file Pin.hh.

OutputPin& OutputPin::operator<< ( int value )

inlineinherited

Set the output pin with the given value. Zero(0) to clear and non-zero to set. Output operator syntax.

Parameters

[in] value to write.

Returns: output pin.

Definition at line 364 of file OutputPin.hh.

Pin& Pin::operator>> ( uint8_t & var )

inlineinherited

Read input pin and assign variable.

Parameters

[out] var to assign.

Returns: pin.

Definition at line 215 of file Pin.hh.

volatile uint8_t* Pin::PCIMR ( ) const

inlineprotectedinherited

Return pin change interrupt mask register.

Returns: pin change mask register pointer.

Definition at line 263 of file Pin.hh.

static volatile uint8_t* Pin::PIN ( uint8_t pin )

inlinestaticinherited

Return pointer to PIN register.

Parameters

[in] pin number.

Returns: PIN register pointer.

Definition at line 53 of file Pin.hh.

uint8_t Pin::pin ( ) const

inlineinherited

Return Arduino pin number of abstract pin.

Returns: pin number.

Definition at line 103 of file Pin.hh.

volatile uint8_t* Pin::PIN ( ) const

inlineprotectedinherited

Return pointer to PIN register.

Returns: PIN register pointer.

Definition at line 236 of file Pin.hh.

static volatile uint8_t* Pin::PORT ( uint8_t pin )

inlinestaticinherited

Return pointer to data PORT register.

Parameters

[in] pin number.

Returns: PORT register pointer.

Definition at line 75 of file Pin.hh.

volatile uint8_t* Pin::PORT ( ) const

inlineprotectedinherited

Return pointer to data PORT register.

Returns: PORT register pointer.

Definition at line 254 of file Pin.hh.

void OutputPin::pulse ( uint16_t us ) const

inlineinherited

Toggle the output pin to form a pulse with given width in micro-seconds.

Parameters

[in] us pulse width in micro seconds

Note: atomic; pulse width is limited to 1000 us

Definition at line 378 of file OutputPin.hh.

bool Pin::read ( ) const

inlineinherited

Return true(1) if the pin is set otherwise false(0).

Returns: boolean.

Definition at line 172 of file Pin.hh.

uint8_t Pin::read	(	OutputPin &	clk,
		Direction	order = `MSB_FIRST`
	)		const

inherited

Shift in a byte from the input pin using the given clock output pin. Shift in according to given direction.

Parameters

[in]	clk	output pin.
[in]	order	bit first.

Returns: value.

Definition at line 25 of file Pin.cpp.

static bool Pin::read ( Board::DigitalPin pin )

inlinestaticinherited

Use pin number directly to read value. Does not require an instance. Return true(1) if the pin is set otherwise false(0).

Parameters

[in] pin number.

Returns: boolean.

Definition at line 193 of file Pin.hh.

void OutputPin::set ( ) const

inlineinherited

Set the output pin.

Note: atomic

Definition at line 85 of file OutputPin.hh.

void OutputPin::set ( int value ) const

inlineinherited

Set the output pin with the given value. Zero(0) to clear and non-zero to set.

Parameters

[in] value to set.

Note: atomic

Definition at line 201 of file OutputPin.hh.

bool Job::Scheduler::start ( Job * job )

virtualinherited

Start given job. Returns true(1) if successful otherwise false(0).

Parameters

[in] job to start.

Returns: bool.

Reimplemented in RTT::Scheduler.

Definition at line 24 of file Job_Scheduler.cpp.

bool Job::Scheduler::stop ( Job * job )

virtualinherited

Stop given job. Returns true(1) if successful otherwise false(0).

Parameters

[in] job to stop.

Returns: bool.

Definition at line 44 of file Job_Scheduler.cpp.

void Clock::tick ( uint16_t ms )

inlineinherited

Increment the clock with the given number of milli-seconds. Dispatch jobs if the clock seconds counter is incremented.

Parameters

[in] ms milli-seconds in a tick.

Note: atomic

Definition at line 94 of file Clock.hh.

virtual uint32_t Clock::time ( )

inlinevirtualinherited

Return clock time in seconds.

Returns: seconds.

Note: atomic

Implements Job::Scheduler.

Definition at line 51 of file Clock.hh.

void Clock::time ( uint32_t sec )

inlineinherited

Set clock (seconds) to real-time (for instance seconds from a given date; epoch 1900-01-01 00:00 or 1970-01-01 00:00).

Parameters

[in] sec.

Note: atomic

Definition at line 64 of file Clock.hh.

void OutputPin::toggle ( ) const

inlineinherited

Toggle the output pin.

Note: atomic

Definition at line 163 of file OutputPin.hh.

static void OutputPin::toggle ( Board::DigitalPin pin )

inlinestaticinherited

Toggle the output pin. Atomic per definition

Parameters

[in] pin number.

Definition at line 173 of file OutputPin.hh.

void OutputPin::write ( int value ) const

inlineinherited

Set the output pin with the given value. Zero(0) to clear and non-zero to set.

Parameters

[in] value to write.

Note: atomic

Definition at line 236 of file OutputPin.hh.

void OutputPin::write	(	uint8_t	value,
		OutputPin &	clk,
		Direction	order = `MSB_FIRST`
	)		const

inherited

Shift out given byte to the output pin using the given clock output pin. Shift out according to given direction. Data (bits) are transfered on clock transition. Interrupts are allowed during the shift out.

Parameters

[in]	value	to write.
[in]	clk	output pin.
[in]	order	bit first.

Definition at line 24 of file OutputPin.cpp.

void OutputPin::write	(	uint16_t	value,
		uint8_t	bits,
		uint16_t	us
	)		const

inherited

Shift out given value and number of bits to the output pin using the given pulse length in micro-seconds. Shift out from LSB(0) to MSB(bits-1). This operation is synchronized and will turn off interrupt handling during the transmission period.

Parameters

[in]	value	to write.
[in]	bits	to write.
[in]	us	micro-second bit period.

Note: atomic; us should not exceed 1000

Definition at line 46 of file OutputPin.cpp.

static void OutputPin::write	(	Board::DigitalPin	pin,
		int	value
	)

inlinestaticinherited

Set the given output pin with the given value. Zero(0) to clear and non-zero to set.

Parameters

[in]	pin	number.
[in]	value	to write.

Note: atomic

Definition at line 306 of file OutputPin.hh.

Member Data Documentation

int16_t Clock::m_cal

protectedinherited

Milli-seconds calibration.

Definition at line 144 of file Clock.hh.

const uint8_t Pin::m_mask

protectedinherited

Pin mask in port.

Definition at line 227 of file Pin.hh.

int16_t Clock::m_msec

protectedinherited

Milli-seconds fraction.

Definition at line 142 of file Clock.hh.

const uint8_t Pin::m_pin

protectedinherited

Pin identity.

Definition at line 230 of file Pin.hh.

Head Job::Scheduler::m_queue

protectedinherited

Job queue.

Definition at line 84 of file Job.hh.

uint32_t Clock::m_sec

protectedinherited

Seconds counter.

Definition at line 143 of file Clock.hh.

volatile uint8_t* const Pin::m_sfr

protectedinherited

Special function register pointer.

Definition at line 224 of file Pin.hh.

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

cores/cosa/Cosa/Alarm.hh

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation