pdca_usart_example.c File Reference

Peripheral DMA Controller Example for SAM4L.

Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.

#include "asf.h"
#include "stdio_serial.h"
#include "conf_board.h"
#include "ascii_anim1.h"
#include "ascii_anim2.h"

Macros
#define	PDCA_TX_CHANNEL   0
#define	STRING_EOL   "\r"
#define	STRING_HEADER

Functions
static void	configure_console (void)
	Configure UART console. More...
int	main (void)
	Application entry point for pdca_usart example. More...
static void	pdca_tranfer_done (enum pdca_channel_status status)
	Interrupt handler for UART interrupt. More...

Variables
const char	ascii_anim1 []
const char	ascii_anim2 []
volatile int	bool_anim = 1
static const pdca_channel_config_t	pdca_tx_configs

#define PDCA_TX_CHANNEL   0

Referenced by main(), and pdca_tranfer_done().

#define STRING_EOL   "\r"

#define STRING_HEADER

Value:

"-- PDCA_USART Example --\r\n" \
        "-- "BOARD_NAME" --\r\n" \
        "-- Compiled: "__DATE__" "__TIME__" --"STRING_EOL

Referenced by main().

static void configure_console ( void  )

static

Configure UART console.

References uart_rs232_options::baudrate, CONF_UART, CONF_UART_BAUDRATE, CONF_UART_CHAR_LENGTH, CONF_UART_PARITY, CONF_UART_STOP_BITS, and stdio_serial_init().

Referenced by main().

int main

(

void

)

Application entry point for pdca_usart example.

Returns

Unused (ANSI-C compatibility).

References board_init(), configure_console(), pdca_channel_enable(), pdca_channel_set_callback(), pdca_channel_set_config(), pdca_enable(), pdca_tranfer_done(), PDCA_TX_CHANNEL, STRING_HEADER, and sysclk_init().

static void pdca_tranfer_done ( enum pdca_channel_status  status )

static

Interrupt handler for UART interrupt.

References ascii_anim1, ascii_anim2, bool_anim, PDCA_CH_TRANSFER_COMPLETED, pdca_channel_write_reload(), and PDCA_TX_CHANNEL.

Referenced by main().

const char ascii_anim1[]

Initial value:

=
# 90 "/Jenkins/workspace/check-IS-asf-main-build-doxygen-linux-idc/source/sam/drivers/pdca/pdca_usart_example/pdca_usart_example.c" 2

Referenced by pdca_tranfer_done().

const char ascii_anim2[]

Initial value:

=
# 98 "/Jenkins/workspace/check-IS-asf-main-build-doxygen-linux-idc/source/sam/drivers/pdca/pdca_usart_example/pdca_usart_example.c" 2

Referenced by pdca_tranfer_done().

volatile int bool_anim = 1

Referenced by pdca_tranfer_done().

const pdca_channel_config_t pdca_tx_configs

static

Initial value:

= {
    .addr   = (void *)ascii_anim1,      
    .pid    = PDCA_PID_USART_TX,        
    .size   = sizeof(ascii_anim1),      
    .r_addr = 0,                        
    .r_size = 0,                        
    .etrig  = false,                    
    .ring   = false,                    
    .transfer_size = PDCA_MR_SIZE_BYTE  
}