Timers

Macros
#define	WS_TIMER_HBLANK_HZ_TO_TICKS(hz)
	Convert a frequency in hertz to horizontal blank timer ticks.
#define	WS_TIMER_VBLANK_HZ_TO_TICKS(hz)
	Convert a frequency in hertz to vertical blank timer ticks.

Functions
static void	ws_timer_hblank_disable (void)
static void	ws_timer_vblank_disable (void)
static void	ws_timer_hblank_start_once (uint16_t ticks)
	Request a one-shot horizontal blank timer.
static void	ws_timer_vblank_start_once (uint16_t ticks)
	Request a one-shot vertical blank timer.
static void	ws_timer_hblank_start_repeat (uint16_t ticks)
	Request a repeating horizontal blank timer.
static void	ws_timer_vblank_start_repeat (uint16_t ticks)
	Request a repeating vertical blank timer.

Detailed Description

Macro Definition Documentation

WS_TIMER_HBLANK_HZ_TO_TICKS

#define WS_TIMER_HBLANK_HZ_TO_TICKS

(

hz

)

Value:

((uint16_t) WS_HZ_TO_CLOCK_DIVIDER((hz), 12000))

Convert a frequency in hertz to horizontal blank timer ticks.

Range: 0.2 .. 12000 Hz

Parameters

hz	Frequency, in hertz.

Definition at line 51 of file timer.h.

WS_TIMER_VBLANK_HZ_TO_TICKS

#define WS_TIMER_VBLANK_HZ_TO_TICKS

(

hz

)

Value:

((uint16_t) WS_HZ_TO_CLOCK_DIVIDER((hz), 12000 / (WS_DISPLAY_VTOTAL))))

Convert a frequency in hertz to vertical blank timer ticks.

Range: 0.0012 .. 75.47 Hz

Parameters

hz	Frequency, in hertz.

Definition at line 60 of file timer.h.

Function Documentation

ws_timer_hblank_disable()

void ws_timer_hblank_disable ( void )

inlinestatic

Definition at line 64 of file timer.h.

ws_timer_hblank_start_once()

void ws_timer_hblank_start_once ( uint16_t ticks )

inlinestatic

Request a one-shot horizontal blank timer.

Parameters

ticks

The number of ticks to time.

Definition at line 77 of file timer.h.

ws_timer_hblank_start_repeat()

void ws_timer_hblank_start_repeat ( uint16_t ticks )

inlinestatic

Request a repeating horizontal blank timer.

Parameters

ticks

The number of ticks to time.

Definition at line 97 of file timer.h.

ws_timer_vblank_disable()

void ws_timer_vblank_disable ( void )

inlinestatic

Definition at line 68 of file timer.h.

ws_timer_vblank_start_once()

void ws_timer_vblank_start_once ( uint16_t ticks )

inlinestatic

Request a one-shot vertical blank timer.

Parameters

ticks

The number of ticks to time.

Definition at line 87 of file timer.h.

ws_timer_vblank_start_repeat()

void ws_timer_vblank_start_repeat ( uint16_t ticks )

inlinestatic

Request a repeating vertical blank timer.

Parameters

ticks

The number of ticks to time.

Definition at line 107 of file timer.h.