Real-Time Clock (RTC) example for SAM.

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

Macros
#define	char_to_digit(c) ((c) - '0')

#define	MAX_EDIT_SIZE 10

#define	STATE_MENU 0

#define	STATE_SET_DATE 2

#define	STATE_SET_DATE_ALARM 4

#define	STATE_SET_TIME 1

#define	STATE_SET_TIME_ALARM 3

#define	STATE_WAVEFORM 5

#define	STRING_EOL "\r"

#define	STRING_HEADER

Functions
static uint32_t	calculate_week (uint32_t ul_year, uint32_t ul_month, uint32_t ul_day)
	Calculate week from year, month, day. More...

static void	configure_console (void)
	Configure UART console. More...

static uint32_t	get_new_date (void)
	Get new time. More...

static uint32_t	get_new_time (void)
	Get new time. More...

int	main (void)
	Application entry point for RTC example. More...

static void	refresh_display (void)
	Display the user interface on the terminal. More...

void	RTC_Handler (void)
	Interrupt handler for the RTC. More...

Variables
static uint8_t	gs_uc_date [10+1]

static uint8_t	gs_uc_day_names [7][4]

static uint8_t	gs_uc_rtc_time [8+1]

static uint32_t	gs_ul_alarm_triggered = 0

static uint32_t	gs_ul_menu_shown = 0

static uint32_t	gs_ul_new_day

static uint32_t	gs_ul_new_hour

static uint32_t	gs_ul_new_minute

static uint32_t	gs_ul_new_month

static uint32_t	gs_ul_new_second

static uint32_t	gs_ul_new_week

static uint32_t	gs_ul_new_year

static uint32_t	gs_ul_state = STATE_MENU

#define char_to_digit ( c ) ((c) - '0')

Referenced by get_new_date(), get_new_time(), and main().

#define MAX_EDIT_SIZE 10

#define STATE_MENU 0

Referenced by main(), and refresh_display().

#define STATE_SET_DATE 2

Referenced by main().

#define STATE_SET_DATE_ALARM 4

Referenced by main().

#define STATE_SET_TIME 1

Referenced by main().

#define STATE_SET_TIME_ALARM 3

Referenced by main().

#define STATE_WAVEFORM 5

Referenced by main().

#define STRING_EOL "\r"

#define STRING_HEADER

Value:

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

Referenced by main().

static uint32_t calculate_week	(	uint32_t	ul_year,
		uint32_t	ul_month,
		uint32_t	ul_day
	)

static

Calculate week from year, month, day.

Referenced by get_new_date().

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, CONSOLE_UART_ID, stdio_serial_init(), and sysclk_enable_peripheral_clock().

Referenced by main().

static uint32_t get_new_date ( void )

static

Get new time.

Successful value is put in gs_ul_new_year, gs_ul_new_month, gs_ul_new_day, gs_ul_new_week.

References calculate_week(), and char_to_digit.

Referenced by main().

static uint32_t get_new_time ( void )

static

Get new time.

Successful value is put in gs_ul_new_hour, gs_ul_new_minute, gs_ul_new_second.

References char_to_digit.

Referenced by main().

int main ( void )

Application entry point for RTC example.

Returns: Unused (ANSI-C compatibility).

References board_init(), char_to_digit, configure_console(), get_new_date(), get_new_time(), refresh_display(), rtc_clear_date_alarm(), rtc_clear_time_alarm(), rtc_enable_interrupt(), rtc_set_date(), rtc_set_date_alarm(), rtc_set_hour_mode(), rtc_set_time(), rtc_set_time_alarm(), rtc_set_waveform(), STATE_MENU, STATE_SET_DATE, STATE_SET_DATE_ALARM, STATE_SET_TIME, STATE_SET_TIME_ALARM, STATE_WAVEFORM, STRING_HEADER, and sysclk_init().

static void refresh_display ( void )

static

Display the user interface on the terminal.

References rtc_get_date(), rtc_get_time(), and STATE_MENU.

Referenced by main(), and RTC_Handler().

void RTC_Handler ( void )

Interrupt handler for the RTC.

Refresh the display.

References refresh_display(), rtc_clear_status(), rtc_disable_interrupt(), rtc_enable_interrupt(), and rtc_get_status().

uint8_t gs_uc_date[10+1]

static

Initial value:

=

{ '0', '0', '/', '0', '0', '/', '0', '0', '0', '0', '\0' }

uint8_t gs_uc_day_names[7][4]

static

Initial value:

=

{ "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun" }

uint8_t gs_uc_rtc_time[8+1]

static

Initial value:

=

{ '0', '0', ':', '0', '0', ':', '0', '0', '\0' }

uint32_t gs_ul_alarm_triggered = 0

static

uint32_t gs_ul_menu_shown = 0

static

uint32_t gs_ul_new_day

static

uint32_t gs_ul_new_hour

static

uint32_t gs_ul_new_minute

static

uint32_t gs_ul_new_month

static

uint32_t gs_ul_new_second

static

uint32_t gs_ul_new_week

static

uint32_t gs_ul_new_year

static

uint32_t gs_ul_state = STATE_MENU

static

Microchip® Advanced Software Framework

Macros

Functions

Variables