ble_app_beacon with sleep mode

[rushin]

ble_app_beacon.rarhello there i used ble_app_beacon example. i want to make some modifications. i want to put it in sleep mode after some time and again wake up after some time? can you tell me how to do this?? should i use timer interrupt example??

[rushin]

#include <stdbool.h> #include <stdint.h> #include "ble_advdata.h" #include "nordic_common.h" #include "softdevice_handler.h" #include "bsp.h" #include "app_timer.h"

#define IS_SRVC_CHANGED_CHARACT_PRESENT 0                                 /**< Include or not the service_changed characteristic. if not enabled, the server's database cannot be changed for the lifetime of the device*/

#define APP_CFG_NON_CONN_ADV_TIMEOUT    0                                 /**< Time for which the device must be advertising in non-connectable mode (in seconds). 0 disables timeout. */
#define NON_CONNECTABLE_ADV_INTERVAL    MSEC_TO_UNITS(100, UNIT_0_625_MS) /**< The advertising interval for non-connectable advertisement (100 ms). This value can vary between 100ms to 10.24s). */

#define APP_BEACON_INFO_LENGTH          0x17                              /**< Total length of information advertised by the Beacon. */
#define APP_ADV_DATA_LENGTH             0x15                              /**< Length of manufacturer specific data in the advertisement. */
#define APP_DEVICE_TYPE                 0x02                              /**< 0x02 refers to Beacon. */
#define APP_MEASURED_RSSI               0xC3                              /**< The Beacon's measured RSSI at 1 meter distance in dBm. */
#define APP_COMPANY_IDENTIFIER          0x0059                            /**< Company identifier for Nordic Semiconductor ASA. as per www.bluetooth.org. */
#define APP_MAJOR_VALUE                 0x01, 0x02                        /**< Major value used to identify Beacons. */ 
#define APP_MINOR_VALUE                 0x03, 0x04                        /**< Minor value used to identify Beacons. */ 
#define APP_BEACON_UUID                 0x01, 0x12, 0x23, 0x34, \
                                        0x45, 0x56, 0x67, 0x78, \
                                        0x89, 0x9a, 0xab, 0xbc, \
                                        0xcd, 0xde, 0xef, 0xf0            /**< Proprietary UUID for Beacon. */

#define DEAD_BEEF                       0xDEADBEEF                        /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */

#define APP_TIMER_PRESCALER             0                                 /**< Value of the RTC1 PRESCALER register. */
#define APP_TIMER_OP_QUEUE_SIZE         4                                 /**< Size of timer operation queues. */

#if defined(USE_UICR_FOR_MAJ_MIN_VALUES)
#define MAJ_VAL_OFFSET_IN_BEACON_INFO   18                                /**< Position of the MSB of the Major Value in m_beacon_info array. */
#define UICR_ADDRESS                    0x10001080                        /**< Address of the UICR register used by this example. The major and minor versions to be encoded into the advertising data will be picked up from this location. */
#endif

static ble_gap_adv_params_t m_adv_params;                                 /**< Parameters to be passed to the stack when starting advertising. */
static uint8_t m_beacon_info[APP_BEACON_INFO_LENGTH] =                    /**< Information advertised by the Beacon. */
{
    APP_DEVICE_TYPE,     // Manufacturer specific information. Specifies the device type in this 
                         // implementation. 
    APP_ADV_DATA_LENGTH, // Manufacturer specific information. Specifies the length of the 
                         // manufacturer specific data in this implementation.
    APP_BEACON_UUID,     // 128 bit UUID value. 
    APP_MAJOR_VALUE,     // Major arbitrary value that can be used to distinguish between Beacons. 
    APP_MINOR_VALUE,     // Minor arbitrary value that can be used to distinguish between Beacons. 
    APP_MEASURED_RSSI    // Manufacturer specific information. The Beacon's measured TX power in 
                         // this implementation. 
};

/**@brief Callback function for asserts in the SoftDevice.
 *
 * @details This function will be called in case of an assert in the SoftDevice.
 *
 * @warning This handler is an example only and does not fit a final product. You need to analyze
 *          how your product is supposed to react in case of Assert.
 * @warning On assert from the SoftDevice, the system can only recover on reset.
 *
 * @param[in]   line_num   Line number of the failing ASSERT call.
 * @param[in]   file_name  File name of the failing ASSERT call.
 */
void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name)
{
    app_error_handler(DEAD_BEEF, line_num, p_file_name);
}

/**@brief Function for initializing the Advertising functionality.
 *
 * @details Encodes the required advertising data and passes it to the stack.
 *          Also builds a structure to be passed to the stack when starting advertising.
 */
static void advertising_init(void)
{
    uint32_t      err_code;
    ble_advdata_t advdata;
    uint8_t       flags = BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED;

    ble_advdata_manuf_data_t manuf_specific_data;

    manuf_specific_data.company_identifier = APP_COMPANY_IDENTIFIER;

#if defined(USE_UICR_FOR_MAJ_MIN_VALUES)
    // If USE_UICR_FOR_MAJ_MIN_VALUES is defined, the major and minor values will be read from the
    // UICR instead of using the default values. The major and minor values obtained from the UICR
    // are encoded into advertising data in big endian order (MSB First).
    // To set the UICR used by this example to a desired value, write to the address 0x10001080
    // using the nrfjprog tool. The command to be used is as follows.
    // nrfjprog --snr <Segger-chip-Serial-Number> --memwr 0x10001080 --val <your major/minor value>
    // For example, for a major value and minor value of 0xabcd and 0x0102 respectively, the
    // the following command should be used.
    // nrfjprog --snr <Segger-chip-Serial-Number> --memwr 0x10001080 --val 0xabcd0102
    uint16_t major_value = ((*(uint32_t *)UICR_ADDRESS) & 0xFFFF0000) >> 16;
    uint16_t minor_value = ((*(uint32_t *)UICR_ADDRESS) & 0x0000FFFF);

    uint8_t index = MAJ_VAL_OFFSET_IN_BEACON_INFO;

    m_beacon_info[index++] = MSB_16(major_value);
    m_beacon_info[index++] = LSB_16(major_value);

    m_beacon_info[index++] = MSB_16(minor_value);
    m_beacon_info[index++] = LSB_16(minor_value);
#endif

    manuf_specific_data.data.p_data = (uint8_t *) m_beacon_info;
    manuf_specific_data.data.size   = APP_BEACON_INFO_LENGTH;

    // Build and set advertising data.
    memset(&advdata, 0, sizeof(advdata));

    advdata.name_type             = BLE_ADVDATA_NO_NAME;
    advdata.flags                 = flags;
    advdata.p_manuf_specific_data = &manuf_specific_data;

    err_code = ble_advdata_set(&advdata, NULL);
    APP_ERROR_CHECK(err_code);

    // Initialize advertising parameters (used when starting advertising).
    memset(&m_adv_params, 0, sizeof(m_adv_params));

    m_adv_params.type        = BLE_GAP_ADV_TYPE_ADV_NONCONN_IND;
    m_adv_params.p_peer_addr = NULL;                             // Undirected advertisement.
    m_adv_params.fp          = BLE_GAP_ADV_FP_ANY;
    m_adv_params.interval    = NON_CONNECTABLE_ADV_INTERVAL;
    m_adv_params.timeout     = APP_CFG_NON_CONN_ADV_TIMEOUT;
}


/**@brief Function for starting advertising.
 */
static void advertising_start(void)
{
    uint32_t err_code;

    err_code = sd_ble_gap_adv_start(&m_adv_params);
    APP_ERROR_CHECK(err_code);
 LEDS_ON(BSP_LED_1_MASK);
    //err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING);
    APP_ERROR_CHECK(err_code);
}


/**@brief Function for initializing the BLE stack.
 *
 * @details Initializes the SoftDevice and the BLE event interrupt.
 */
static void ble_stack_init(void)
{
    // Initialize the SoftDevice handler module.
    SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL);

    // Enable BLE stack 
    uint32_t err_code;
    ble_enable_params_t ble_enable_params;
    memset(&ble_enable_params, 0, sizeof(ble_enable_params));
#if (defined(S130) && defined(S132))
    ble_enable_params.gatts_enable_params.attr_tab_size   = BLE_GATTS_ATTR_TAB_SIZE_DEFAULT;
#endif
    ble_enable_params.gatts_enable_params.service_changed = IS_SRVC_CHANGED_CHARACT_PRESENT;
    err_code = sd_ble_enable(&ble_enable_params);
    APP_ERROR_CHECK(err_code);
}


/**@brief Function for doing power management.
 */
static void power_manage(void)
{ //LEDS_OFF(BSP_LED_1_MASK);
    uint32_t err_code = sd_app_evt_wait();
    APP_ERROR_CHECK(err_code);
	sd_app_evt_wait();
	 //LEDS_OFF(BSP_LED_1_MASK);
}
static void sleep_mode_enter(void)
{
    uint32_t err_code;
//	= bsp_indication_set(BSP_INDICATE_IDLE);
//    APP_ERROR_CHECK(err_code);

//    // Prepare wakeup buttons.
//    err_code = bsp_btn_ble_sleep_mode_prepare();
//    APP_ERROR_CHECK(err_code);

    // Go to system-off mode (this function will not return; wakeup will cause a reset).
    err_code = sd_power_system_off();
    APP_ERROR_CHECK(err_code);
	
}
void delay_ms(unsigned int k) 
{                                            

unsigned int i,j;


for(i=0;i<127500; i++)
{

for(j=0;j<i;j++); }
}
/**
 * @brief Function for application main entry.
 */
int main(void)
{
    uint32_t err_code;
    // Initialize.
    APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, false);
    err_code = bsp_init(BSP_INIT_LED, APP_TIMER_TICKS(100, APP_TIMER_PRESCALER), NULL);
    APP_ERROR_CHECK(err_code);
    ble_stack_init();
    advertising_init();
   //  power_manage();
    // Start execution.
    advertising_start();
	// LEDS_OFF(BSP_LED_1_MASK);
    power_manage();
    // Enter main loop.
  for(;;)
	{
 
	}		

			//sleep_mode_enter(); 
				
//sd_app_evt_wait();
   
}