app.c File Reference

Eddystone Beacon Application.

Copyright (c) 2017-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include <string.h>
#include "console_serial.h"
#include "platform.h"
#include "timer_hw.h"
#include "conf_extint.h"
#include "eddystone.h"

Data Structures
struct	button_state_t
	Button state information. More...

Macros
#define	APP_BUTTON_EVENT_ID   (2)
#define	APP_INVALID_EVENT_ID   (0)
#define	APP_TIMER_EVENT_ID   (1)
#define	APP_TIMER_TIMEOUT_MS   (100)
	Application timer timeout in ms. More...
#define	APP_TYPE   (EDDYSTONE_URL_APP)
	Switch to compile two different Eddystone applications; One for UID+TLM frames and another for URL+TLM frames, the configuration service is enabled for the URL app. More...
#define	BUTTON_LONG_PRESS_INTERVAL_MS   (3000)
	Button timeout to detect long press event. More...
#define	EDDYSTONE_UID_APP   (0x02)
#define	EDDYSTONE_URL_APP   (0x01)
	Define to support different Eddystone apps. More...

Typedefs
typedef struct button_state_t	button_state_t
	Button state information. More...

Functions
static void	app_error (void)
	Non-return function to handle fatal application error. More...
void	button_cb (void)
	Button press callback handler. More...
static void	eddystone_app_init (void)
	Initialize the Eddystone application. More...
static at_ble_status_t	eddystone_custom_event (void *param)
int	main (void)
	Application main function. More...
static int16_t	read_temperature_fix88 (void)
	Read temperature in 8:8 fixed point format. More...
static void	reset_button_state (void)
	Reset the button state to idle. More...
static void	timer_callback_handler (void)
	Timer callback handler - called every 100ms. More...

Variables
user_custom_event_t	app_custom_event [2]
uint8_t	beacon_frame_type = EDDYSTONE_URL
static volatile button_state_t	button_state
	Initial button state values. More...
static const ble_custom_event_cb_t	eddystone_custom_event_cb
static eddystone_tlm_data_t	tlm_data
	TLM data that needs to be updated for every TLM frame. More...
static const uint32_t	uid_to_tlm_frame_ratio = 20
	UID to TLM frame ratio; Change this value to control the frequency of sending TLM frames. More...
static const uint32_t	url_to_tlm_frame_ratio = 20
	URL to TLM frame ratio; Change this value to control the frequency of sending TLM frames. More...

#define APP_BUTTON_EVENT_ID   (2)

#define APP_INVALID_EVENT_ID   (0)

#define APP_TIMER_EVENT_ID   (1)

Referenced by eddystone_custom_event().

#define APP_TIMER_TIMEOUT_MS   (100)

Application timer timeout in ms.

Referenced by main().

#define APP_TYPE   (EDDYSTONE_URL_APP)

Switch to compile two different Eddystone applications; One for UID+TLM frames and another for URL+TLM frames, the configuration service is enabled for the URL app.

#define BUTTON_LONG_PRESS_INTERVAL_MS   (3000)

Button timeout to detect long press event.

Referenced by reset_button_state().

#define EDDYSTONE_UID_APP   (0x02)

#define EDDYSTONE_URL_APP   (0x01)

Define to support different Eddystone apps.

typedef struct button_state_t button_state_t

Button state information.

static void app_error ( void  )

static

Non-return function to handle fatal application error.

References DBG_LOG.

Referenced by eddystone_app_init().

void button_cb

(

void

)

Button press callback handler.

References button_state_t::pressed.

static void eddystone_app_init ( void  )

static

Initialize the Eddystone application.

References app_error(), AT_BLE_SUCCESS, BLE_CUSTOM_EVENT_TYPE, BLE_GAP_EVENT_TYPE, BLE_GATT_SERVER_EVENT_TYPE, ble_mgr_events_callback_handler(), DBG_LOG, eddystone_init(), eddystone_uid_frame_send(), eddystone_url_frame_send(), esurl_conf_gap_cb, esurl_conf_gatt_server_cb, esurl_conf_service, esurl_conf_service_init(), and REGISTER_CALL_BACK.

Referenced by main().

static at_ble_status_t eddystone_custom_event ( void *  param )

static

References APP_TIMER_EVENT_ID, AT_BLE_FAILURE, AT_BLE_SUCCESS, beacon_frame_type, DBG_LOG, EDDYSTONE_BEACON_MODE, eddystone_get_mode(), EDDYSTONE_IDLE_MODE, EDDYSTONE_URL, eddystone_url_frame_send(), ESURL_CONF_ADV_INTERVAL, esurl_conf_adv_start(), button_state_t::long_pressed, and reset_button_state().

int main

(

void

)

Application main function.

References APP_TIMER_TIMEOUT_MS, AT30TSE_CONFIG_RES, AT30TSE_CONFIG_RES_12_bit, at30tse_init(), at30tse_write_config_register(), at_ble_get_adv_cnt(), AT_BLE_SUCCESS, beacon_frame_type, ble_device_init(), ble_event_task(), board_init(), DBG_LOG, eddystone_app_init(), EDDYSTONE_BEACON_MODE, eddystone_get_mode(), EDDYSTONE_TLM, eddystone_tlm_frame_send(), EDDYSTONE_UID, eddystone_uid_frame_send(), EDDYSTONE_URL, eddystone_url_frame_send(), hw_timer_init(), hw_timer_register_callback(), hw_timer_start_ms(), NULL, read_temperature_fix88(), serial_console_init(), system_init(), eddystone_tlm_data_t::temperature, timer_callback_handler(), uid_to_tlm_frame_ratio, UNUSED, and url_to_tlm_frame_ratio.

static int16_t read_temperature_fix88 ( void  )

static

Read temperature in 8:8 fixed point format.

References at30tse_read_temperature(), and FLOAT_2_FIX88.

Referenced by main().

static void reset_button_state ( void  )

static

Reset the button state to idle.

References BUTTON_LONG_PRESS_INTERVAL_MS, button_state_t::long_press_interval_ms, button_state_t::long_pressed, and button_state_t::pressed.

Referenced by eddystone_custom_event(), and timer_callback_handler().

static void timer_callback_handler ( void  )

static

Timer callback handler - called every 100ms.

It increments Eddystone 100ms counter and also times-out long press for the button

References at_ble_event_user_defined_post(), eddystone_100ms_counter, button_state_t::long_press_interval_ms, button_state_t::long_pressed, button_state_t::pressed, and reset_button_state().

user_custom_event_t app_custom_event[2]

Initial value:

= {
    {
        .id = APP_TIMER_EVENT_ID,
        .bptr = NULL,
    },
    {
        .id = APP_BUTTON_EVENT_ID,
        .bptr = NULL
    }
}

uint8_t beacon_frame_type = EDDYSTONE_URL

Referenced by eddystone_custom_event(), and main().

volatile button_state_t button_state

static

Initial value:

= {
    .pressed = 0,
    .long_pressed = 0,
    .long_press_interval_ms = BUTTON_LONG_PRESS_INTERVAL_MS,
}

Initial button state values.

const ble_custom_event_cb_t eddystone_custom_event_cb

static

Initial value:

= {
    .custom_event = eddystone_custom_event
}

eddystone_tlm_data_t tlm_data

static

Initial value:

= 
    {
        .battery_voltage_mV = 3300,             
        .temperature = FLOAT_2_FIX88(35.4),     
    }

TLM data that needs to be updated for every TLM frame.

const uint32_t uid_to_tlm_frame_ratio = 20

static

UID to TLM frame ratio; Change this value to control the frequency of sending TLM frames.

Referenced by main().

const uint32_t url_to_tlm_frame_ratio = 20

static

URL to TLM frame ratio; Change this value to control the frequency of sending TLM frames.

Referenced by main().