tpa6130_example.c File Reference

#include <avr32/io.h>
#include <stdio.h>
#include <string.h>
#include "compiler.h"
#include "preprocessor.h"
#include "print_funcs.h"
#include "flashc.h"
#include "pm.h"
#include "gpio.h"
#include "tpa6130.h"
#include "abdac.h"
#include "conf_tpa6130.h"
#include "board.h"
#include "audio.h"
#include "sound.h"
#include "twim.h"

Macros
#define	FPBA_HZ   12000000
#define	MSG_WELCOME   "\x1B[2J\x1B[H---------- Welcome to TPA6130 example ---------- \r\n"
	Welcome message to display. More...
#define	SAMPLE_COUNT   (sizeof(sound_data))
#define	SAMPLE_OFFSET   0x80
#define	SAMPLE_RATE   46875
#define	SOUND_SAMPLES   256
	Sample Count Value. More...
#define	TPA6130_TWI_MASTER_SPEED   100000

Functions
void	adc_reload_callback (void)
void	adc_underrun_callback (void)
void	dac_overrun_callback (void)
void	dac_reload_callback (void)
void	init_sys_clocks (void)
	Initializes the MCU system clocks. More...
int	main (void)
void	master_callback (uint32_t arg)
static void	twi_init (void)

Variables
int16_t	samples [SOUND_SAMPLES]
uint32_t	samples_count
static const int8_t	sound_data []

#define FPBA_HZ   12000000

Referenced by twi_init().

#define MSG_WELCOME   "\x1B[2J\x1B[H---------- Welcome to TPA6130 example ---------- \r\n"

Welcome message to display.

Referenced by main().

#define SAMPLE_COUNT   (sizeof(sound_data))

#define SAMPLE_OFFSET   0x80

#define SAMPLE_RATE   46875

#define SOUND_SAMPLES   256

Sample Count Value.

Referenced by main().

#define TPA6130_TWI_MASTER_SPEED   100000

Referenced by twi_init().

void adc_reload_callback

(

void

)

Referenced by master_callback().

void adc_underrun_callback

(

void

)

Referenced by master_callback().

void dac_overrun_callback

(

void

)

Referenced by master_callback().

void dac_reload_callback

(

void

)

Referenced by master_callback().

void init_sys_clocks

(

void

)

Initializes the MCU system clocks.

References flashc_set_wait_state(), FOSC0, FOSC1, OSC0_STARTUP, OSC1_STARTUP, pm_cksel(), pm_enable_clk1(), pm_enable_osc1_crystal(), pm_pll_enable(), pm_pll_set_option(), pm_pll_setup(), pm_switch_to_clock(), pm_switch_to_osc0(), pm_wait_for_pll0_locked(), and pm_wait_for_pll1_locked().

Referenced by main().

int main

(

void

)

main function

References AUDIO_DAC_OUT_OF_SAMPLE_CB, AUDIO_DAC_RELOAD_CB, DEFAULT_DAC_BITS_PER_SAMPLE, DEFAULT_DAC_NUM_CHANNELS, DEFAULT_DAC_SAMPLE_RATE_HZ, DEFAULT_DAC_SWAP_CHANNELS, FOSC0, gpio_clr_gpio_pin(), gpio_enable_gpio_pin(), gpio_set_gpio_pin(), init_dbg_rs232(), init_sys_clocks(), LED0_GPIO, LED1_GPIO, master_callback(), MSG_WELCOME, print_dbg(), samples, SOUND_SAMPLES, sound_table, tpa6130_dac_output(), tpa6130_dac_start(), tpa6130_get_volume(), tpa6130_init(), tpa6130_set_volume(), and twi_init().

void master_callback

(

uint32_t

arg

)

References adc_reload_callback(), adc_underrun_callback(), AUDIO_ADC_OUT_OF_SAMPLE_CB, AUDIO_ADC_RELOAD_CB, AUDIO_DAC_OUT_OF_SAMPLE_CB, AUDIO_DAC_RELOAD_CB, dac_overrun_callback(), and dac_reload_callback().

Referenced by main().

static void twi_init ( void  )

static

References FPBA_HZ, gpio_enable_module(), twi_options_t::pba_hz, TPA6130_TWI, TPA6130_TWI_ADDRESS, TPA6130_TWI_MASTER_SPEED, TPA6130_TWI_SCL_FUNCTION, TPA6130_TWI_SCL_PIN, TPA6130_TWI_SDA_FUNCTION, TPA6130_TWI_SDA_PIN, and twi_master_init().

Referenced by main().

int16_t samples[SOUND_SAMPLES]

Referenced by main().

uint32_t samples_count

const int8_t sound_data[]

static

Initial value:

=
{
  0x00, 0x04, 0x08, 0x0C, 0x10, 0x14, 0x17, 0x1B, 0x1F, 0x23,
  0x27, 0x2B, 0x2F, 0x32, 0x36, 0x3A, 0x3D, 0x41, 0x44, 0x47,
  0x4B, 0x4E, 0x51, 0x54, 0x57, 0x5A, 0x5D, 0x60, 0x62, 0x65,
  0x67, 0x69, 0x6C, 0x6E, 0x70, 0x72, 0x73, 0x75, 0x77, 0x78,
  0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7E, 0x7F, 0x7F, 0x7F,
  0x7F, 0x7F, 0x7F, 0x7F, 0x7E, 0x7E, 0x7D, 0x7C, 0x7B, 0x7A,
  0x79, 0x78, 0x77, 0x75, 0x73, 0x72, 0x70, 0x6E, 0x6C, 0x69,
  0x67, 0x65, 0x62, 0x60, 0x5D, 0x5A, 0x57, 0x54, 0x51, 0x4E,
  0x4B, 0x47, 0x44, 0x41, 0x3D, 0x3A, 0x36, 0x32, 0x2F, 0x2B,
  0x27, 0x23, 0x1F, 0x1B, 0x17, 0x14, 0x10, 0x0C, 0x08, 0x04,
  0x00, 0xFC, 0xF8, 0xF4, 0xF0, 0xEC, 0xE9, 0xE5, 0xE1, 0xDD,
  0xD9, 0xD5, 0xD1, 0xCE, 0xCA, 0xC6, 0xC3, 0xBF, 0xBC, 0xB9,
  0xB5, 0xB2, 0xAF, 0xAC, 0xA9, 0xA6, 0xA3, 0xA0, 0x9E, 0x9B,
  0x99, 0x97, 0x94, 0x92, 0x90, 0x8E, 0x8D, 0x8B, 0x89, 0x88,
  0x87, 0x86, 0x85, 0x84, 0x83, 0x82, 0x82, 0x81, 0x81, 0x81,
  0x80, 0x81, 0x81, 0x81, 0x82, 0x82, 0x83, 0x84, 0x85, 0x86,
  0x87, 0x88, 0x89, 0x8B, 0x8D, 0x8E, 0x90, 0x92, 0x94, 0x97,
  0x99, 0x9B, 0x9E, 0xA0, 0xA3, 0xA6, 0xA9, 0xAC, 0xAF, 0xB2,
  0xB5, 0xB9, 0xBC, 0xBF, 0xC3, 0xC6, 0xCA, 0xCE, 0xD1, 0xD5,
  0xD9, 0xDD, 0xE1, 0xE5, 0xE9, 0xEC, 0xF0, 0xF4, 0xF8, 0xFC
}