tc.c File Reference

SAM Timer Counter (TC) driver. More...

#include <assert.h>
#include "tc.h"

Go to the source code of this file.

Macros
#define	TC_DIV_FACTOR   65536
#define	TC_WPMR_WPKEY_PASSWD   TC_WPMR_WPKEY((uint32_t)0x54494D)

Functions
void	tc_disable_interrupt (Tc *p_tc, uint32_t ul_channel, uint32_t ul_sources)
	Disable TC interrupts on the specified channel.
void	tc_disable_qdec_interrupt (Tc *p_tc, uint32_t ul_sources)
	Disable TC QDEC interrupts.
void	tc_enable_interrupt (Tc *p_tc, uint32_t ul_channel, uint32_t ul_sources)
	Enable the TC interrupts on the specified channel.
void	tc_enable_qdec_interrupt (Tc *p_tc, uint32_t ul_sources)
	Enable TC QDEC interrupts.
uint32_t	tc_find_mck_divisor (uint32_t ul_freq, uint32_t ul_mck, uint32_t *p_uldiv, uint32_t *p_ultcclks, uint32_t ul_boardmck)
	Find the best PBA/MCK divisor.
uint32_t	tc_get_feature (Tc *p_tc)
	Indicate TC features.
uint32_t	tc_get_interrupt_mask (Tc *p_tc, uint32_t ul_channel)
	Read the TC interrupt mask for the specified channel.
uint32_t	tc_get_qdec_interrupt_mask (Tc *p_tc)
	Read TC QDEC interrupt mask.
uint32_t	tc_get_qdec_interrupt_status (Tc *p_tc)
	Get current TC QDEC interrupt status.
uint32_t	tc_get_status (Tc *p_tc, uint32_t ul_channel)
	Get the current status for the specified TC channel.
uint32_t	tc_get_version (Tc *p_tc)
	Indicate TC version.
void	tc_init (Tc *p_tc, uint32_t ul_channel, uint32_t ul_mode)
	Configure TC for timer, waveform generation, or capture.
uint32_t	tc_init_2bit_gray (Tc *p_tc, uint32_t ul_channel, uint32_t ul_steppermode)
	Configure TC for 2-bit Gray Counter for Stepper Motor.
uint32_t	tc_read_cv (Tc *p_tc, uint32_t ul_channel)
	Read the counter value on the specified channel.
uint32_t	tc_read_ra (Tc *p_tc, uint32_t ul_channel)
	Read TC Register A (RA) on the specified channel.
uint32_t	tc_read_rb (Tc *p_tc, uint32_t ul_channel)
	Read TC Register B (RB) on the specified channel.
uint32_t	tc_read_rc (Tc *p_tc, uint32_t ul_channel)
	Read TC Register C (RC) on the specified channel.
void	tc_set_block_mode (Tc *p_tc, uint32_t ul_blockmode)
	Configure the TC Block mode.
void	tc_set_writeprotect (Tc *p_tc, uint32_t ul_enable)
	Enable or disable write protection of TC registers.
void	tc_start (Tc *p_tc, uint32_t ul_channel)
	Start the TC clock on the specified channel.
void	tc_stop (Tc *p_tc, uint32_t ul_channel)
	Stop the TC clock on the specified channel.
void	tc_sync_trigger (Tc *p_tc)
	Asserts a SYNC signal to generate a software trigger on all channels.
void	tc_write_ra (Tc *p_tc, uint32_t ul_channel, uint32_t ul_value)
	Write to TC Register A (RA) on the specified channel.
void	tc_write_rb (Tc *p_tc, uint32_t ul_channel, uint32_t ul_value)
	Write to TC Register B (RB) on the specified channel.
void	tc_write_rc (Tc *p_tc, uint32_t ul_channel, uint32_t ul_value)
	Write to TC Register C (RC) on the selected channel.

Detailed Description

SAM Timer Counter (TC) driver.

Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.

\cond ASF_LICENSE

Definition in file tc.c.

Macro Definition Documentation

TC_DIV_FACTOR

#define TC_DIV_FACTOR   65536

Definition at line 461 of file tc.c.

Referenced by tc_find_mck_divisor().

TC_WPMR_WPKEY_PASSWD

#define TC_WPMR_WPKEY_PASSWD   TC_WPMR_WPKEY((uint32_t)0x54494D)

Definition at line 49 of file tc.c.

Referenced by tc_set_writeprotect().