bpm_example.c File Reference

BPM example.

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

#include <asf.h>
#include <conf_board.h>

Functions
static void	ast_per_callback (void)
	AST interrupt handler. More...
static void	config_ast (void)
	Initialize AST to generate 1Hz counter. More...
static void	config_backup_wakeup (void)
static void	config_buttons (void)
static void	configure_console (void)
	Configure serial console. More...
static void	display_menu (void)
	Display the user menu on the terminal. More...
static void	eic_callback (void)
	EIC interrupt handler for push button interrupt. More...
int	main (void)
	Application entry point for BPM example. More...

Variables
static bool	ps_status = BPM_PS_1

static void ast_per_callback ( void  )

static

AST interrupt handler.

References ast_clear_interrupt_flag(), AST_INTERRUPT_PER, and ast_stop().

Referenced by config_ast().

static void config_ast ( void  )

static

Initialize AST to generate 1Hz counter.

References ast_clear_interrupt_flag(), AST_COUNTER_MODE, ast_enable(), ast_enable_wakeup(), AST_INTERRUPT_PER, AST_OSC_1KHZ, ast_per_callback(), AST_PSEL_32KHZ_1HZ, ast_set_callback(), ast_set_config(), ast_stop(), AST_WAKEUP_PER, ast_write_periodic0_value(), ast_config::counter, ast_config::mode, osc_enable(), OSC_ID_OSC32, osc_is_ready(), ast_config::osc_type, osc_wait_ready(), and ast_config::psel.

Referenced by main().

static void config_backup_wakeup ( void  )

static

Retain I/O lines after wakeup from backup. Disable to undo the previous retention state then enable.

References bpm_disable_io_retention(), bpm_enable_backup_pin(), bpm_enable_fast_wakeup(), bpm_enable_io_retention(), and bpm_enable_wakeup_source().

Referenced by main().

static void config_buttons ( void  )

static

References EIC_ASYNCH_MODE, eic_callback(), EIC_EDGE_FALLING_EDGE, eic_enable(), EIC_FILTER_DISABLED, EIC_LEVEL_LOW_LEVEL, eic_line_enable(), eic_line_set_callback(), eic_line_set_config(), and EIC_MODE_EDGE_TRIGGERED.

Referenced by main().

static void configure_console ( void  )

static

Configure serial console.

References uart_rs232_options::baudrate, and stdio_serial_init().

Referenced by main().

static void display_menu ( void  )

static

Display the user menu on the terminal.

Referenced by main().

static void eic_callback ( void  )

static

EIC interrupt handler for push button interrupt.

References ast_stop(), ast_write_counter_value(), eic_line_clear_interrupt(), eic_line_interrupt_is_pending(), sysclk_disable_peripheral_clock(), and sysclk_enable_peripheral_clock().

Referenced by config_buttons().

int main

(

void

)

Application entry point for BPM example.

Returns

Unused (ANSI-C compatibility).

References ast_start(), board_init(), BOARD_NAME, bpm_configure_power_scaling(), bpm_get_status(), BPM_PS_0, BPM_PS_1, BPM_PSCM_CPU_NOT_HALT, bpm_sleep(), BPM_SM_BACKUP, BPM_SM_RET, BPM_SM_SLEEP_0, BPM_SM_SLEEP_1, BPM_SM_SLEEP_2, BPM_SM_SLEEP_3, BPM_SM_WAIT, config_ast(), config_backup_wakeup(), config_buttons(), configure_console(), delay_ms, display_menu(), ps_status, SLEEP_MODE_1, and sysclk_init().

bool ps_status = BPM_PS_1

static

Referenced by main(), and ui_lcd_refresh_txt().