tc_example2.c File Reference

#include <avr32/io.h>
#include "compiler.h"
#include "board.h"
#include "power_clocks_lib.h"
#include "gpio.h"
#include "tc.h"

Macros
TC Channel Choice
#define	EXAMPLE_TC   (&AVR32_TC1)
#define	EXAMPLE_TC_OUTPUT_PIN   AVR32_TC1_A0_0_1_PIN
#define	EXAMPLE_TC_OUTPUT_FUNCTION   AVR32_TC1_A0_0_1_FUNCTION
#define	EXAMPLE_TC_INPUT_PIN   AVR32_TC1_A1_0_1_PIN
#define	EXAMPLE_TC_INPUT_FUNCTION   AVR32_TC1_A1_0_1_FUNCTION
#define	EXAMPLE_TARGET_DFLL_FREQ_HZ   96000000
#define	EXAMPLE_TARGET_MCUCLK_FREQ_HZ   12000000
#define	EXAMPLE_TARGET_PBACLK_FREQ_HZ   12000000

Functions
static void	init_tc_input (volatile avr32_tc_t *tc, unsigned int channel)
	Initializes the timer/counter capture. More...
static void	init_tc_output (volatile avr32_tc_t *tc, unsigned int channel)
	Initializes the timer/counter waveform. More...
int	main (void)
	Main function. Execution starts here. More...

Variables
Parameters to pcl_configure_clocks().
static scif_gclk_opt_t	gc_dfllif_ref_opt = { SCIF_GCCTRL_SLOWCLOCK, 0, false }
static pcl_freq_param_t	pcl_dfll_freq_param

#define EXAMPLE_TARGET_DFLL_FREQ_HZ   96000000

#define EXAMPLE_TARGET_MCUCLK_FREQ_HZ   12000000

#define EXAMPLE_TARGET_PBACLK_FREQ_HZ   12000000

#define EXAMPLE_TC   (&AVR32_TC1)

Referenced by main().

#define EXAMPLE_TC_INPUT_FUNCTION   AVR32_TC1_A1_0_1_FUNCTION

Referenced by main().

#define EXAMPLE_TC_INPUT_PIN   AVR32_TC1_A1_0_1_PIN

Referenced by main().

#define EXAMPLE_TC_OUTPUT_FUNCTION   AVR32_TC1_A0_0_1_FUNCTION

Referenced by main().

#define EXAMPLE_TC_OUTPUT_PIN   AVR32_TC1_A0_0_1_PIN

Referenced by main().

static void init_tc_input ( volatile avr32_tc_t *  tc, unsigned int  channel  )

static

Initializes the timer/counter capture.

References tc_capture_opt_t::channel, TC_BURST_NOT_GATED, TC_CLOCK_RISING_EDGE, TC_CLOCK_SOURCE_TC4, TC_EXT_TRIG_SEL_TIOA, tc_init_capture(), TC_NO_TRIGGER_COMPARE_RC, TC_SEL_FALLING_EDGE, and TC_SEL_NO_EDGE.

Referenced by main().

static void init_tc_output ( volatile avr32_tc_t *  tc, unsigned int  channel  )

static

Initializes the timer/counter waveform.

References tc_waveform_opt_t::channel, TC_BURST_NOT_GATED, TC_CLOCK_RISING_EDGE, TC_CLOCK_SOURCE_TC3, TC_EVT_EFFECT_CLEAR, TC_EVT_EFFECT_NOOP, TC_EVT_EFFECT_SET, TC_EXT_EVENT_SEL_TIOB_INPUT, tc_init_waveform(), TC_SEL_NO_EDGE, and TC_WAVEFORM_SEL_UP_MODE.

Referenced by main().

int main

(

void

)

Main function. Execution starts here.

References EXAMPLE_TC, EXAMPLE_TC_INPUT_FUNCTION, EXAMPLE_TC_INPUT_PIN, EXAMPLE_TC_OUTPUT_FUNCTION, EXAMPLE_TC_OUTPUT_PIN, FOSC0, gpio_enable_module(), init_tc_input(), init_tc_output(), pcl_configure_clocks(), pcl_dfll_freq_param, PCL_OSC0, pcl_switch_to_osc(), tc_read_ra(), tc_start(), and tc_write_ra().

scif_gclk_opt_t gc_dfllif_ref_opt = { SCIF_GCCTRL_SLOWCLOCK, 0, false }

static

pcl_freq_param_t pcl_dfll_freq_param

static

Initial value:

=
    {
      .main_clk_src = PCL_MC_DFLL0,
      .cpu_f        = EXAMPLE_TARGET_MCUCLK_FREQ_HZ,
      .pba_f        = EXAMPLE_TARGET_PBACLK_FREQ_HZ,
      .pbb_f        = EXAMPLE_TARGET_PBACLK_FREQ_HZ,
      .dfll_f       = EXAMPLE_TARGET_DFLL_FREQ_HZ,
      .pextra_params = &gc_dfllif_ref_opt
    }

Referenced by main().