tc.h File Reference

#include <avr32/io.h>

Data Structures
struct	tc_capture_opt_t
	Parameters when initializing a timer/counter in capture mode. More...
struct	tc_interrupt_t
	Timer/counter interrupts. More...
struct	tc_waveform_opt_t
	Parameters when initializing a timer/counter in waveform mode. More...

Macros
#define	TC_INVALID_ARGUMENT   (-1)
	TC driver functions return value in case of invalid argument(s). More...
#define	TC_NUMBER_OF_CHANNELS   (sizeof(((avr32_tc_t *)0)->channel) / sizeof(avr32_tc_channel_t))
	Number of timer/counter channels. More...
External Clock Signal 0 Selection
#define	TC_CH0_EXT_CLK0_SRC_TCLK0   AVR32_TC_TC0XC0S_TCLK0
#define	TC_CH0_EXT_CLK0_SRC_NO_CLK   AVR32_TC_TC0XC0S_NO_CLK
#define	TC_CH0_EXT_CLK0_SRC_TIOA1   AVR32_TC_TC0XC0S_TIOA1
#define	TC_CH0_EXT_CLK0_SRC_TIOA2   AVR32_TC_TC0XC0S_TIOA2
External Clock Signal 1 Selection
#define	TC_CH1_EXT_CLK1_SRC_TCLK1   AVR32_TC_TC1XC1S_TCLK1
#define	TC_CH1_EXT_CLK1_SRC_NO_CLK   AVR32_TC_TC1XC1S_NO_CLK
#define	TC_CH1_EXT_CLK1_SRC_TIOA0   AVR32_TC_TC1XC1S_TIOA0
#define	TC_CH1_EXT_CLK1_SRC_TIOA2   AVR32_TC_TC1XC1S_TIOA2
External Clock Signal 2 Selection
#define	TC_CH2_EXT_CLK2_SRC_TCLK2   AVR32_TC_TC2XC2S_TCLK2
#define	TC_CH2_EXT_CLK2_SRC_NO_CLK   AVR32_TC_TC2XC2S_NO_CLK
#define	TC_CH2_EXT_CLK2_SRC_TIOA0   AVR32_TC_TC2XC2S_TIOA0
#define	TC_CH2_EXT_CLK2_SRC_TIOA1   AVR32_TC_TC2XC2S_TIOA1
Event/Trigger Actions on Output
#define	TC_EVT_EFFECT_NOOP   AVR32_TC_NONE
#define	TC_EVT_EFFECT_SET   AVR32_TC_SET
#define	TC_EVT_EFFECT_CLEAR   AVR32_TC_CLEAR
#define	TC_EVT_EFFECT_TOGGLE   AVR32_TC_TOGGLE
RC Compare Trigger Enable
#define	TC_NO_TRIGGER_COMPARE_RC   0
#define	TC_TRIGGER_COMPARE_RC   1
Waveform Selection
#define	TC_WAVEFORM_SEL_UP_MODE   AVR32_TC_WAVSEL_UP_NO_AUTO
#define	TC_WAVEFORM_SEL_UP_MODE_RC_TRIGGER   AVR32_TC_WAVSEL_UP_AUTO
#define	TC_WAVEFORM_SEL_UPDOWN_MODE   AVR32_TC_WAVSEL_UPDOWN_NO_AUTO
#define	TC_WAVEFORM_SEL_UPDOWN_MODE_RC_TRIGGER   AVR32_TC_WAVSEL_UPDOWN_AUTO
TIOA or TIOB External Trigger Selection
#define	TC_EXT_TRIG_SEL_TIOA   1
#define	TC_EXT_TRIG_SEL_TIOB   0
External Event Selection
Attention See this note for important details about this setting.
#define	TC_EXT_EVENT_SEL_TIOB_INPUT   AVR32_TC_EEVT_TIOB_INPUT
#define	TC_EXT_EVENT_SEL_XC0_OUTPUT   AVR32_TC_EEVT_XC0_OUTPUT
#define	TC_EXT_EVENT_SEL_XC1_OUTPUT   AVR32_TC_EEVT_XC1_OUTPUT
#define	TC_EXT_EVENT_SEL_XC2_OUTPUT   AVR32_TC_EEVT_XC2_OUTPUT
Edge Selection
#define	TC_SEL_NO_EDGE   AVR32_TC_EEVTEDG_NO_EDGE
#define	TC_SEL_RISING_EDGE   AVR32_TC_EEVTEDG_POS_EDGE
#define	TC_SEL_FALLING_EDGE   AVR32_TC_EEVTEDG_NEG_EDGE
#define	TC_SEL_EACH_EDGE   AVR32_TC_EEVTEDG_BOTH_EDGES
Burst Signal Selection
#define	TC_BURST_NOT_GATED   AVR32_TC_BURST_NOT_GATED
#define	TC_BURST_CLK_AND_XC0   AVR32_TC_BURST_CLK_AND_XC0
#define	TC_BURST_CLK_AND_XC1   AVR32_TC_BURST_CLK_AND_XC1
#define	TC_BURST_CLK_AND_XC2   AVR32_TC_BURST_CLK_AND_XC2
Clock Invert
#define	TC_CLOCK_RISING_EDGE   0
#define	TC_CLOCK_FALLING_EDGE   1
Clock Selection
#define	TC_CLOCK_SOURCE_TC1   AVR32_TC_TCCLKS_TIMER_CLOCK1
#define	TC_CLOCK_SOURCE_TC2   AVR32_TC_TCCLKS_TIMER_CLOCK2
#define	TC_CLOCK_SOURCE_TC3   AVR32_TC_TCCLKS_TIMER_CLOCK3
#define	TC_CLOCK_SOURCE_TC4   AVR32_TC_TCCLKS_TIMER_CLOCK4
#define	TC_CLOCK_SOURCE_TC5   AVR32_TC_TCCLKS_TIMER_CLOCK5
#define	TC_CLOCK_SOURCE_XC0   AVR32_TC_TCCLKS_XC0
#define	TC_CLOCK_SOURCE_XC1   AVR32_TC_TCCLKS_XC1
#define	TC_CLOCK_SOURCE_XC2   AVR32_TC_TCCLKS_XC2

Functions
int	tc_configure_interrupts (volatile avr32_tc_t *tc, unsigned int channel, const tc_interrupt_t *bitfield)
	Enables various timer/counter interrupts. More...
int	tc_get_interrupt_settings (volatile avr32_tc_t *tc, unsigned int channel)
	Reads timer/counter interrupt settings. More...
int	tc_init_capture (volatile avr32_tc_t *tc, const tc_capture_opt_t *opt)
	Sets options for timer/counter capture initialization. More...
int	tc_init_waveform (volatile avr32_tc_t *tc, const tc_waveform_opt_t *opt)
	Sets options for timer/counter waveform initialization. More...
int	tc_read_ra (volatile avr32_tc_t *tc, unsigned int channel)
	Reads the channel's RA register and returns the value. More...
int	tc_read_rb (volatile avr32_tc_t *tc, unsigned int channel)
	Reads the channel's RB register and returns the value. More...
int	tc_read_rc (volatile avr32_tc_t *tc, unsigned int channel)
	Reads the channel's RC register and returns the value. More...
int	tc_read_sr (volatile avr32_tc_t *tc, unsigned int channel)
	Reads the status register. More...
int	tc_read_tc (volatile avr32_tc_t *tc, unsigned int channel)
	Reads the channel's TC counter and returns the value. More...
int	tc_select_external_clock (volatile avr32_tc_t *tc, unsigned int channel, unsigned int ext_clk_sig_src)
	Selects which external clock to use and how to configure it. More...
int	tc_software_trigger (volatile avr32_tc_t *tc, unsigned int channel)
	Performs a software trigger: the counter is reset and the clock is started. More...
int	tc_start (volatile avr32_tc_t *tc, unsigned int channel)
	Starts a timer/counter. More...
int	tc_stop (volatile avr32_tc_t *tc, unsigned int channel)
	Stops a timer/counter. More...
void	tc_sync_start (volatile avr32_tc_t *tc)
	Start all TC channels simultaneously. More...
void	tc_sync_trigger (volatile avr32_tc_t *tc)
	Asserts a SYNC signal to generate a software trigger and reset all channels. More...
int	tc_write_ra (volatile avr32_tc_t *tc, unsigned int channel, unsigned short value)
	Writes a value to the channel's RA register. More...
int	tc_write_rb (volatile avr32_tc_t *tc, unsigned int channel, unsigned short value)
	Writes a value to the channel's RB register. More...
int	tc_write_rc (volatile avr32_tc_t *tc, unsigned int channel, unsigned short value)
	Writes a value to the channel's RC register. More...