lampda::platform::threads Namespace Reference

Define tasks and threads specifics. More...

Typedefs
typedef void(*	taskfunc_t) (void)
	model of a task function

Functions
static void	_redirect_task (void *arg)
static void	_redirect_suspend_task (void *arg)
void	start_thread (taskfunc_t taskFunction, const char *const taskName, const int priority, const int stackSize)
	Start a separate thread, running until the system shuts off.
void	start_suspended_thread (taskfunc_t taskFunction, const char *const taskName, const int priority, const int stackSize)
	Start a separate thread, running until the system shuts off. Start in suspended state.
void	yield_this_thread ()
	make this thread pass the control to other threads
void	suspend_this_thread ()
	threads can only suspend itself
void	suspend_all_threads ()
	Suspend all threads.
int	is_all_suspended ()
	check that all threads are suspended (mandatory for sleep mode)
void	resume_thread (const char *const taskName)
	resume a target thread
void	notify_thread (const char *const taskName, int wakeUpEvent)
	notify a thread to resume
int	wait_notification (const int timeout_ms)
	block this thread until a timeout or notification is received
void	get_thread_debug (char *textBuff)

Variables
std::map< const char *const, TaskHandle_t >	handles
const char *const	pd_taskName = "usbpd"
	name of the USB power delivery task
const char *const	pdInterruptHandle_taskName = "intpd"
	name of the USB power delivery interrupt handle task
const char *const	power_taskName = "power"
	name of the main power task
const char *const	user_taskName = "user"
	name of the optional user task
const char *const	taskScheduler_taskName = "task_sched"
	name of the task scheduling task

Detailed Description

Define tasks and threads specifics.

Function Documentation

is_all_suspended()

int lampda::platform::threads::is_all_suspended

(

)

check that all threads are suspended (mandatory for sleep mode)

Returns

1 for success, 0 for failure

notify_thread()

void lampda::platform::threads::notify_thread	(	const char *const	taskName,
		int	wakeUpEvent
	)

notify a thread to resume

Parameters

[in]	taskName	target task name
[in]	wakeUpEvent	type of the event to send

resume_thread()

void lampda::platform::threads::resume_thread

(

const char *const

taskName

)

resume a target thread

Parameters

[in]

taskName

target task name

start_suspended_thread()

void lampda::platform::threads::start_suspended_thread	(	taskfunc_t	taskFunction,
		const char *const	taskName,
		const int	priority,
		const int	stackSize
	)

Start a separate thread, running until the system shuts off. Start in suspended state.

Parameters

	taskFunction	the function to run
[in]	taskName	The name associated
[in]	priority	from to 2, this thread priority
[in]	stackSize	The size of the stack to allocate. can be ignored and checked while running using the command line

start_thread()

void lampda::platform::threads::start_thread	(	taskfunc_t	taskFunction,
		const char *const	taskName,
		const int	priority,
		const int	stackSize
	)

Start a separate thread, running until the system shuts off.

Parameters

	taskFunction	the function to run
[in]	taskName	The name associated
[in]	priority	from to 2, this thread priority
[in]	stackSize	The size of the stack to allocate. can be ignored and checked while running using the command line

suspend_all_threads()

void lampda::platform::threads::suspend_all_threads

(

)

Suspend all threads.

Warning

: Can deadlock the system if called from a subthread.

wait_notification()

int lampda::platform::threads::wait_notification

(

const int

timeout_ms

)

block this thread until a timeout or notification is received

Parameters

[in]

timeout_ms

Timeout delay. Can be zero of less for no timeout

Returns

the wake up flag