hw_timer.h File Reference

Copyright (c) 2014-2018 Microchip Technology Inc.

and its subsidiaries.

Typedefs
typedef void(*	tmr_callback_t )(void)

Functions
void	restore_cpu_interrupt (uint8_t flags)
	to restore saved interrupts status More...
uint8_t	save_cpu_interrupt (void)
	to save current interrupt status More...
void	tmr_disable_cc_interrupt (void)
	to disable compare interrupt More...
void	tmr_disable_ovf_interrupt (void)
	to disable overflow interrupt More...
void	tmr_enable_cc_interrupt (void)
	to enable compare interrupt More...
uint8_t	tmr_init (void)
	to initialiaze hw timer More...
uint16_t	tmr_read_count (void)
	read the actual timer count from register More...
void	tmr_stop (void)
	to stop the running timer More...
void	tmr_write_cmpreg (uint16_t compare_value)
	to load compare value in channel compare register More...

typedef void(* tmr_callback_t)(void)

void restore_cpu_interrupt

(

uint8_t

flags

)

to restore saved interrupts status

Parameters

saved

interrupt status

References cpu_irq_restore().

uint8_t save_cpu_interrupt

(

void

)

to save current interrupt status

References cpu_irq_save().

void tmr_disable_cc_interrupt

(

void

)

to disable compare interrupt

References tc_disable_interrupt(), tc_get_status(), TIMER, and TIMER_CHANNEL_ID.

Referenced by tmr_init().

void tmr_disable_ovf_interrupt

(

void

)

to disable overflow interrupt

to enable overflow interrupt

References tc_disable_interrupt(), tc_get_status(), TIMER, and TIMER_CHANNEL_ID.

void tmr_enable_cc_interrupt

(

void

)

to enable compare interrupt

References tc_enable_interrupt(), tc_get_status(), TIMER, and TIMER_CHANNEL_ID.

uint8_t tmr_init

(

void

)

to initialiaze hw timer

References configure_NVIC(), DEF_1MHZ, sysclk_enable_peripheral_clock(), sysclk_get_peripheral_bus_hz(), tc_enable_interrupt(), tc_get_status(), tc_init(), tc_start(), tc_write_rc(), TIMER, TIMER_CHANNEL_ID, and tmr_disable_cc_interrupt().

uint16_t tmr_read_count

(

void

)

read the actual timer count from register

References tc_read_cv(), TIMER, and TIMER_CHANNEL_ID.

void tmr_stop

(

void

)

to stop the running timer

References tc_stop(), TIMER, and TIMER_CHANNEL_ID.

void tmr_write_cmpreg

(

uint16_t

compare_value

)

to load compare value in channel compare register

References tc_write_ra(), tc_write_rc(), TIMER, and TIMER_CHANNEL_ID.