pevc_example1.c File Reference

#include <avr32/io.h>
#include "board.h"
#include "intc.h"
#include "power_clocks_lib.h"
#include "pevc.h"
#include "gpio.h"
#include "usart.h"
#include "print_funcs.h"
#include "pdca.h"
#include "ast.h"
#include "delay.h"
#include "conf_clock.h"

Macros
#define	PDCA_CHANNEL_IRQ   AVR32_PDCA_IRQ_0
#define	PDCA_CHANNEL_USART   0
#define	PEVC_PDCA_SOT_USER   AVR32_PEVC_ID_USER_PDCA_0
String transfer size
#define	STRING_TRANSFER_SIZE   36

Functions
void	init_ast (void)
	AST Init. More...
void	init_pdca (void)
	PDCA Init. More...
void	init_pevc (void)
	PEVC Init. More...
void	init_usart (void)
	USART init. More...
int	main (void)
	This example show a DMA transfer to USART controlled by the AST periodic alarm using the PEVC. More...
static void	pdca_int_handler (void)
	PDCA Interrupts handler. More...

Variables
unsigned char	aDataTransfered [STRING_TRANSFER_SIZE]
volatile avr32_pdca_channel_t *	pdca_channel
volatile avr32_pm_t *	pm = &AVR32_PM
volatile avr32_pevc_t *	ppevc = &AVR32_PEVC
static volatile U32	u32PdcaIsr

#define PDCA_CHANNEL_IRQ   AVR32_PDCA_IRQ_0

Referenced by init_pdca().

#define PDCA_CHANNEL_USART   0

Referenced by init_pdca(), and pdca_int_handler().

#define PEVC_PDCA_SOT_USER   AVR32_PEVC_ID_USER_PDCA_0

Referenced by init_pdca(), and init_pevc().

#define STRING_TRANSFER_SIZE   36

void init_ast

(

void

)

AST Init.

References ast_enable(), ast_enable_periodic0(), ast_init_calendar(), AST_OSC_32KHZ, AST_PSEL_32KHZ_1HZ, ast_set_periodic0_value(), ast_calendar_t::FIELD, scif_osc32_opt_t::mode, opt, print_dbg(), SCIF_OSC_MODE_2PIN_CRYSTAL, scif_start_osc32(), and scif_osc32_opt_t::startup.

Referenced by main().

void init_pdca

(

void

)

PDCA Init.

References aDataTransfered, pdca_channel_options_t::addr, Disable_global_interrupt, Enable_global_interrupt, INTC_init_interrupts(), INTC_register_interrupt(), pdca_channel, PDCA_CHANNEL_IRQ, PDCA_CHANNEL_USART, pdca_enable(), pdca_enable_interrupt_transfer_complete(), pdca_enable_interrupt_transfer_error(), pdca_get_handler(), pdca_init_channel(), pdca_int_handler(), PDCA_TRANSFER_SIZE_BYTE, PEVC_CHANNELS_ENABLE, PEVC_PDCA_SOT_USER, and ppevc.

void init_pevc

(

void

)

PEVC Init.

References AVR32_PEVC_ID_GEN_AST_PER0, FAIL, gpio_clr_gpio_pin(), NULL, pevc_channel_configure(), pevc_channels_enable(), PEVC_PDCA_SOT_USER, ppevc, and print_dbg().

void init_usart

(

void

)

USART init.

References FCPU_HZ, init_dbg_rs232(), and print_dbg().

int main

(

void

)

This example show a DMA transfer to USART controlled by the AST periodic alarm using the PEVC.

References aDataTransfered, delay_ms, gpio_clr_gpio_pin(), gpio_tgl_gpio_pin(), i, init_ast(), init_pdca(), init_pevc(), init_sys_clocks(), and init_usart().

static void pdca_int_handler ( void  )

static

PDCA Interrupts handler.

References aDataTransfered, pdca_channel, PDCA_CHANNEL_USART, pdca_reload_channel(), print_dbg(), and u32PdcaIsr.

Referenced by init_pdca().

unsigned char aDataTransfered[STRING_TRANSFER_SIZE]

volatile avr32_pdca_channel_t* pdca_channel

volatile avr32_pm_t* pm = &AVR32_PM

volatile avr32_pevc_t* ppevc = &AVR32_PEVC

volatile U32 u32PdcaIsr

static

Referenced by pdca_int_handler().