flashcalw_example3.c File Reference

FLASHCALW example3 for SAM.

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

#include <asf.h>
#include "time_tick.h"

Macros
#define	FIBONACCI_NUM   32
	Fibonacci number. More...
#define	LOWER_SYS_CLK   12000000

Functions
static void	configure_console (void)
	Configure serial console. More...
static void	flash_picocache_example (const char *caption, bool pico_enable)
	This is an example demonstrating Fibonacci calculation with and without PicoCache. More...
int	main (void)
	main function. More...
static uint32_t	recfibo (uint32_t n)
	Recursively calculate the nth Fibonacci number. More...
static void	reconfigure_com_port (void)
	Reconfigure serial console. More...
static void	wait_for_pushbutton (void)

#define FIBONACCI_NUM   32

Fibonacci number.

Referenced by flash_picocache_example().

#define LOWER_SYS_CLK   12000000

Referenced by reconfigure_com_port().

static void configure_console ( void  )

static

Configure serial console.

References uart_rs232_options::baudrate, and stdio_serial_init().

Referenced by main().

static void flash_picocache_example ( const char *  caption, bool  pico_enable  )

static

This is an example demonstrating Fibonacci calculation with and without PicoCache.

Parameters

caption	Caption to print before running the example.
pico_enable	Enable PicoCache or not.

References FIBONACCI_NUM, flashcalw_picocache_disable(), flashcalw_picocache_disable_monitor(), flashcalw_picocache_enable(), flashcalw_picocache_enable_monitor(), flashcalw_picocache_get_monitor_cnt(), flashcalw_picocache_reset_monitor(), flashcalw_picocache_set_monitor_mode(), recfibo(), time_tick_calc_delay(), and time_tick_get().

Referenced by main().

int main

(

void

)

main function.

Do the Fibonacci calculation with and without PicoCache and print the calculation time to the UART console.

References board_init(), BOARD_NAME, configure_console(), flash_picocache_example(), flashcalw_set_wait_state(), reconfigure_com_port(), sysclk_get_cpu_hz(), sysclk_init(), sysclk_set_prescalers(), time_tick_init(), and wait_for_pushbutton().

static uint32_t recfibo ( uint32_t  n )

static

Recursively calculate the nth Fibonacci number.

Parameters

n	Indicates which (positive) Fibonacci number to compute.

Returns

The nth Fibonacci number.

Referenced by flash_picocache_example().

static void reconfigure_com_port ( void  )

static

Reconfigure serial console.

References sam_usart_opt_t::baudrate, LOWER_SYS_CLK, usart_enable_tx(), and usart_init_rs232().

Referenced by main().

static void wait_for_pushbutton ( void  )

static

References delay_ms, and ioport_get_pin_level().

Referenced by main().