dac_example1.c File Reference

AVR XMEGA Digital to Analog Converter Driver Example 1.

Copyright (c) 2010-2018 Microchip Technology Inc. and its subsidiaries.

#include <conf_example.h>
#include <asf.h>

Macros
#define	NR_OF_SAMPLES   32
	Number of samples in sample buffer. More...
#define	RATE_OF_CONVERSION   22050
	Rate at which DA conversions should be done. More...

Functions
int	main (void)

Variables
static const uint16_t	sine [NR_OF_SAMPLES]
	Sample buffer with one period of a sine wave. More...

#define NR_OF_SAMPLES   32

Number of samples in sample buffer.

Referenced by main().

#define RATE_OF_CONVERSION   22050

Rate at which DA conversions should be done.

Referenced by main().

int main

(

void

)

References board_init(), DAC_ADJ_LEFT, dac_enable(), dac_read_configuration(), DAC_REF_BANDGAP, dac_set_active_channel(), dac_set_channel_value(), dac_set_conversion_interval(), dac_set_conversion_parameters(), dac_set_conversion_trigger(), dac_wait_for_channel_ready(), dac_write_configuration(), NR_OF_SAMPLES, RATE_OF_CONVERSION, sine, sysclk_enable_module(), SYSCLK_EVSYS, sysclk_get_per_hz(), sysclk_init(), SYSCLK_PORT_C, SYSCLK_PORT_GEN, SYSCLK_TC0, and SYSCLK_TC4.

const uint16_t sine[NR_OF_SAMPLES]

static

Initial value:

= {
    32768, 35325, 37784, 40050, 42036, 43666, 44877, 45623,
    45875, 45623, 44877, 43666, 42036, 40050, 37784, 35325,
    32768, 30211, 27752, 25486, 23500, 21870, 20659, 19913,
    19661, 19913, 20659, 21870, 23500, 25486, 27752, 30211,
}

Sample buffer with one period of a sine wave.

Referenced by main().