DAC Management Task.

#include "compiler.h"
#include "gpio.h"
#include "dacifb.h"
#include "pdca.h"
#include "sinus.h"
#include "pevc.h"
#include "dac_task.h"
#include "scif_uc3c.h"
#include "sysclk.h"
#include "conf_demo.h"

Functions
void	dac_task (void)
	DAC Task: More...

void	dac_task_init (void)
	DAC Init function : More...

void	init_gclk (void)

void	init_pevc (void)

	ISR (pdca_int_handler, AVR32_PDCA_IRQ_GROUP1, 1)
	The PDCA interrupt handler. More...

Variables
volatile avr32_dacifb_t *	dacifb = &AVR32_DACIFB0

dacifb_channel_opt_t	dacifb_channel_opt

dacifb_opt_t	dacifb_opt

volatile bool	flag_dac = false

volatile avr32_pevc_t *	ppevc = &AVR32_PEVC

uint16_t	SIGNAL_TABLE [SIGNAL_NB_SAMPLES]

void dac_task ( void )

DAC Task:

Referenced by main().

void dac_task_init ( void )

DAC Init function :

Initialize GPIO Alternate function for the PDCA
Initialize the event controller

References pdca_channel_options_t::addr, cpu_irq_restore(), cpu_irq_save(), DAC_OUTPUT_CHANNEL, DAC_OUTPUT_FUNCTION, DAC_OUTPUT_INSTANCE, DAC_OUTPUT_PIN, DAC_PDCA_CHANNEL_DAC, DAC_PDCA_PID_DAC_TX, dacifb, dacifb_configure(), dacifb_configure_channel(), dacifb_get_calibration_data(), dacifb_start_channel(), gpio_enable_module(), i, init_gclk(), init_pevc(), irq_register_handler, NULL, pdca_enable(), pdca_enable_interrupt_reload_counter_zero(), pdca_init_channel(), pdca_int_handler(), PDCA_OPTIONS, PDCA_TRANSFER_SIZE_HALF_WORD, dacifb_opt_t::prescaler_clock_hz, SIGNAL_NB_SAMPLES, SIGNAL_TABLE, and sysclk_get_pba_hz().

Referenced by main().

void init_gclk ( void )

References scif_gc_enable(), scif_gc_setup(), and SCIF_GCCTRL_OSC0.

Referenced by dac_task_init(), and main().

void init_pevc ( void )

ISR	(	pdca_int_handler	,
		AVR32_PDCA_IRQ_GROUP1	,
		1
	)

The PDCA interrupt handler.

The handler reload the PDCA settings using the reload register. The interrupt will happen each time the buffer is transmitted to the DAC.

References DAC_PDCA_CHANNEL_DAC, flag_dac, pdca_reload_channel(), SIGNAL_NB_SAMPLES, and SIGNAL_TABLE.

volatile avr32_dacifb_t* dacifb = &AVR32_DACIFB0

Referenced by dac_task_init().

dacifb_channel_opt_t dacifb_channel_opt

Initial value:

= {
    .auto_refresh_mode = false,                        
    .trigger_mode      = DACIFB_TRIGGER_MODE_EVENT,    
    .left_adjustment   = false,                        
    .data_shift        = 0,                            
    .data_round_enable = false                         
}

dacifb_opt_t dacifb_opt

Initial value:

= {
    .reference          = DACIFB_REFERENCE_VDDANA,     
    .channel_selection  = DACIFB_CHANNEL_SELECTION_A,  
    .low_power          = false,                       
    .dual               = false                        
}

volatile bool flag_dac = false

Referenced by ISR().

volatile avr32_pevc_t* ppevc = &AVR32_PEVC

uint16_t SIGNAL_TABLE[SIGNAL_NB_SAMPLES]

Referenced by dac_task_init(), and ISR().

Microchip® Advanced Software Framework

Functions

Variables