matrix_example.c File Reference

Matrix example for SAM.

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

#include "asf.h"
#include "stdio_serial.h"
#include "conf_board.h"
#include "conf_clock.h"

Macros
#define	MATRIX_SLAVE_NUM   5
#define	STRING_EOL   "\r"
#define	STRING_HEADER

Functions
static void	configure_console (void)
	Configure the console UART. More...
int	main (void)
	Application entry point. More...
void	SysTick_Handler (void)
	Handler for System Tick interrupt. More...
static uint32_t	toggle_led_test (uint32_t ul_dly_ticks)
	Toggle led at the given time. More...

Variables
volatile uint32_t	g_ul_ms_ticks = 0

#define MATRIX_SLAVE_NUM   5

Referenced by main().

#define STRING_EOL   "\r"

#define STRING_HEADER

Value:

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

Referenced by main().

static void configure_console ( void  )

static

Configure the console UART.

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

Referenced by main().

int main

(

void

)

Application entry point.

Returns

Unused (ANSI-C compatibility).

References board_init(), configure_console(), MATRIX_ARBT_ROUND_ROBIN, MATRIX_DEFMSTR_LAST_DEFAULT_MASTER, MATRIX_DEFMSTR_NO_DEFAULT_MASTER, matrix_set_slave_arbitration_type(), matrix_set_slave_default_master_type(), MATRIX_SLAVE_NUM, STRING_HEADER, sysclk_get_cpu_hz(), sysclk_init(), and toggle_led_test().

void SysTick_Handler

(

void

)

Handler for System Tick interrupt.

Process System Tick Event. Increment the g_ul_ms_ticks counter.

References g_ul_ms_ticks.

static uint32_t toggle_led_test ( uint32_t  ul_dly_ticks )

static

Toggle led at the given time.

Parameters

ul_dly_ticks

Delay to wait for, in milliseconds.

Returns

Led toggle times.

References g_ul_ms_ticks, ioport_toggle_pin_level(), and LED0_GPIO.

Referenced by main().

volatile uint32_t g_ul_ms_ticks = 0

Referenced by SysTick_Handler(), and toggle_led_test().