#include "temperature.h"
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "nordic_common.h"
#include "nrf.h"
#include "app_error.h"
#include "ble.h"
#include "ble_hci.h"
#include "ble_srv_common.h"
#include "ble_advdata.h"
#include "ble_advertising.h"
#include "ble_conn_params.h"
#include "nrf_sdh.h"
#include "nrf_sdh_soc.h"
#include "nrf_sdh_ble.h"
#include "app_timer.h"
#include "fds.h"
#include "peer_manager.h"
#include "bsp_btn_ble.h"
#include "sensorsim.h"
#include "ble_conn_state.h"
#include "nrf_ble_gatt.h"
#include "nrf_ble_qwr.h"
#include "nrf_pwr_mgmt.h"
#include "nrf_drv_twi.h"
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#include "temperature.h"
#include "led_service.h"
#include <nrf_delay.h>
#define DEVICE_NAME "OurCharacteristic" /**< Name of device. Will be included in the advertising data. */
#define MANUFACTURER_NAME "NordicSemiconductor" /**< Manufacturer. Will be passed to Device Information Service. */
#define APP_ADV_INTERVAL 300 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 187.5 ms). */
#define LIGHTBULB_LED BSP_BOARD_LED_3
#define APP_ADV_DURATION 18000 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */
#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */
#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(100, UNIT_1_25_MS) /**< Minimum acceptable connection interval (0.1 seconds). */
#define MAX_CONN_INTERVAL MSEC_TO_UNITS(200, UNIT_1_25_MS) /**< Maximum acceptable connection interval (0.2 second). */
#define SLAVE_LATENCY 0 /**< Slave latency. */
#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds). */
#define FIRST_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(5000) /**< Time from initiating event (connect or start of notification) to first time sd_ble_gap_conn_param_update is called (5 seconds). */
#define NEXT_CONN_PARAMS_UPDATE_DELAY APP_TIMER_TICKS(30000) /**< Time between each call to sd_ble_gap_conn_param_update after the first call (30 seconds). */
#define MAX_CONN_PARAMS_UPDATE_COUNT 3 /**< Number of attempts before giving up the connection parameter negotiation. */
#define SEC_PARAM_BOND 1 /**< Perform bonding. */
#define SEC_PARAM_MITM 0 /**< Man In The Middle protection not required. */
#define SEC_PARAM_LESC 0 /**< LE Secure Connections not enabled. */
#define SEC_PARAM_KEYPRESS 0 /**< Keypress notifications not enabled. */
#define SEC_PARAM_IO_CAPABILITIES BLE_GAP_IO_CAPS_NONE /**< No I/O capabilities. */
#define SEC_PARAM_OOB 0 /**< Out Of Band data not available. */
#define SEC_PARAM_MIN_KEY_SIZE 7 /**< Minimum encryption key size. */
#define SEC_PARAM_MAX_KEY_SIZE 16 /**< Maximum encryption key size. */
#define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */
#define TWI_INSTANCE_ID 0
#define TWI_ADDRESSES 127
#define AS3955_ADDRESS 0x29
#define BUTTON_DEBOUNCE_DELAY 50
NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */
NRF_BLE_QWR_DEF(m_qwr); /**< Context for the Queued Write module.*/
BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */
int16_t x=0;
char addr1=0;
int16_t g=0;
int16_t b=0;
int16_t c=0;
uint8_t y=0x96;
uint8_t y_g=0x98;
uint8_t y_b=0x9A;
uint8_t y_c=0x94;
uint8_t reg_read_address = 0x92 ; // reg address for device ID
uint8_t reg_read_address4= 0x80 ;
static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */
// FROM_SERVICE_TUTORIAL: Declare a service structure for our application
ble_os_t m_our_service;
// OUR_JOB: Step 3.G, Declare an app_timer id variable and define our timer interval and define a timer interval
APP_TIMER_DEF(m_our_char_timer_id);
#define OUR_CHAR_TIMER_INTERVAL APP_TIMER_TICKS(1000) //1000 ms intervals
/**< Structure used to identify the LED service. */
BLE_LED_SERVICE_DEF(m_led_service);
// Use UUIDs for service(s) used in your application.
static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifiers. */
{
{BLE_UUID_OUR_SERVICE_UUID, BLE_UUID_TYPE_VENDOR_BEGIN}
};
static void advertising_start(bool erase_bonds);
static void led_write_handler(uint16_t conn_handle, ble_led_service_t * p_led_service, uint8_t led_state);
static const nrf_drv_twi_t m_twi = NRF_DRV_TWI_INSTANCE(TWI_INSTANCE_ID);
/**@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);
}
void twi_init (void)
{
ret_code_t err_code;
const nrf_drv_twi_config_t twi_config = {
.scl = ARDUINO_SCL_PIN,
.sda = ARDUINO_SDA_PIN,
.frequency = NRF_TWI_FREQ_400K,
.interrupt_priority = APP_IRQ_PRIORITY_HIGH,
.clear_bus_init = false
};
err_code = nrf_drv_twi_init(&m_twi, &twi_config, NULL, NULL);
APP_ERROR_CHECK(err_code);
nrf_drv_twi_enable(&m_twi);
NRF_LOG_INFO("log enabled");
}
void reg_write(uint16_t write[])
{
ret_code_t err_code;
// thiS part will enable the PON AND AEN BIT
err_code = nrf_drv_twi_tx(&m_twi, AS3955_ADDRESS, write, 2, false);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("Reg write\n ");
}
NRF_LOG_FLUSH();
}
void scan_reg(void)
{
ret_code_t err_code;
uint8_t address;
uint16_t sample_data=0x0;
uint8_t rx[4] = {0};
bool detected_device = false;
for (address = 1; address <= TWI_ADDRESSES; address++)
{
err_code = nrf_drv_twi_rx(&m_twi, address, &sample_data, sizeof(sample_data));
if (err_code == NRF_SUCCESS)
{
detected_device = true;
NRF_LOG_INFO("TWI device detected at address 0x%x.",address);
}
NRF_LOG_FLUSH();
}
if (!detected_device)
{
NRF_LOG_INFO("No device was found.");
NRF_LOG_FLUSH();
}
}
uint8_t reg_read(uint8_t addr)
{
ret_code_t err_code;
uint16_t ret = 0;
//nrf_delay_ms(20);
err_code = nrf_drv_twi_tx(&m_twi, AS3955_ADDRESS, &addr, 1, true);
if (err_code == NRF_SUCCESS)
{
// NRF_LOG_INFO("Device address Mode bits sent.");
}
NRF_LOG_FLUSH();
err_code = nrf_drv_twi_rx(&m_twi, AS3955_ADDRESS,(uint8_t*)&ret, sizeof(ret));
// APP_ERROR_CHECK(err_code);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("addr value : %x %p %p", ret, sizeof(ret), addr);
}
NRF_LOG_FLUSH();
return ret;
}
void sensor_init(void)
{
ret_code_t err_code;
uint8_t address;
uint16_t sensor_data;
bool detected_device = false;
// check device ID read id register
err_code = nrf_drv_twi_tx(&m_twi, AS3955_ADDRESS, ®_read_address, 1, true);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("Device address Mode bits sent.");
}
NRF_LOG_FLUSH();
err_code = nrf_drv_twi_rx(&m_twi, AS3955_ADDRESS,&sensor_data, sizeof(sensor_data));
// APP_ERROR_CHECK(err_code);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("Device address sent. %x %p %p", sensor_data, sizeof(sensor_data), reg_read_address);
// x=sensor_data;
if( sensor_data == 0x44)
{
NRF_LOG_INFO("Sensor Intialized");
}
else{
("sensor not proper ID");}}}
uint8_t reg2_readgreen(uint8_t addr)
{
addr1=addr;
//get_read();
uint8_t disable[] = {0x00,0x00};
ret_code_t err_code;
uint8_t ret = 0;
nrf_delay_ms(20);
err_code = nrf_drv_twi_tx(&m_twi, AS3955_ADDRESS, &addr, 2, true);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("Device address Mode bits sent.");
}
NRF_LOG_FLUSH();
err_code = nrf_drv_twi_rx(&m_twi, AS3955_ADDRESS, &ret, sizeof(ret));
g=ret;
// APP_ERROR_CHECK(err_code);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("green value : %d %p %p", ret, sizeof(ret), addr1);
}
NRF_LOG_FLUSH();
reg_write(disable);
return ret;
}
uint8_t reg2_readred(uint8_t addr)
{
// get_read();
// NRF_LOG_INFO("log enter");
uint8_t disable[] = {0x00,0x00};
ret_code_t err_code;
uint16_t ret = 0;
nrf_delay_ms(20);
err_code = nrf_drv_twi_tx(&m_twi, AS3955_ADDRESS, &addr, 2, true);
if (err_code == NRF_SUCCESS)
{
//NRF_LOG_INFO("Device address Mode bits sent.");
}
NRF_LOG_FLUSH();
err_code = nrf_drv_twi_rx(&m_twi, AS3955_ADDRESS, &ret, sizeof(ret));
x=ret;
// APP_ERROR_CHECK(err_code);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("RED VALUE : %d %p %p", ret, sizeof(ret), addr);
// reg_write(disable);
// reg_read(0x80);
}
// NRF_LOG_FLUSH();
NRF_LOG_INFO("log flush");
return ret;
}
uint8_t reg2_readblue(uint8_t addr)
{
// get_read();
// uint8_t disable[] = {0x00,0x00};
ret_code_t err_code;
uint16_t ret = 0;
nrf_delay_ms(20);
err_code = nrf_drv_twi_tx(&m_twi, AS3955_ADDRESS, &addr, 2, true);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("Device address Mode bits sent.");
}
NRF_LOG_FLUSH();
err_code = nrf_drv_twi_rx(&m_twi, AS3955_ADDRESS, &ret, sizeof(ret));
b=ret;
// APP_ERROR_CHECK(err_code);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("Register value : %d %p %p", ret, sizeof(ret), addr);
}
// NRF_LOG_FLUSH();
//reg_write(disable);
return ret;
}
uint8_t reg2_readclear(uint8_t addr)
{
// get_read();
uint8_t disable[] = {0x00,0x00};
ret_code_t err_code;
uint16_t ret = 0;
nrf_delay_ms(20);
err_code = nrf_drv_twi_tx(&m_twi, AS3955_ADDRESS, &addr, 2, true);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("Device address Mode bits sent.");
}
NRF_LOG_FLUSH();
err_code = nrf_drv_twi_rx(&m_twi, AS3955_ADDRESS, &ret, sizeof(ret));
c=ret;
// APP_ERROR_CHECK(err_code);
if (err_code == NRF_SUCCESS)
{
NRF_LOG_INFO("Register value : %d %p %p", ret, sizeof(ret), addr);
}
NRF_LOG_FLUSH();
reg_write(disable);
return ret;
}
void get_read(void)
{
//uint8_t data[] = {0x00,0x03};
//enable_write(data);
uint8_t enable[] = {0x00,0x03};
uint8_t disable[] = {0x00,0x00};
uint8_t timer[] = {0x01,0x01};
uint8_t gain[] = {0x0f,0x01};
reg_read(0x80);
//reg_write(timer);
//reg_write(gain);
reg_write(enable);
nrf_delay_ms(700);
NRF_LOG_INFO("timer & gain");
//reg_read(0x81);
//reg_read(0x8f);
reg_read(0x80);
//reg_write(disable);
//reg2_readred(0x98);
//reg2_readgreen(0x94);
//reg2_readblue(0x96);
//reg2_readclear(0x9A);
//reg_read(0x80);
//reg_read(0x81);
//eg_read(0x8f);*/
//reg_write(disable);
}
// ALREADY_DONE_FOR_YOU: This is a timer event handler
static void timer_timeout_handler(void * p_context)
{
// OUR_JOB: Step 3.F, Update temperature and characteristic value.
int32_t temperature = 0; //Declare a variable holding temperature value
int32_t temperatureg = 0; //Declare a variable holding temperature value
int32_t temperatureb = 0; //Declare a variable holding temperature value
int32_t temperaturec = 0; //Declare a variable holding temperature value
static int32_t previous_temperature=0; //Declare a variable to store current temperature until next measurement.
static int32_t previous_temperatureg=0; //Declare a variable to store current temperature until next measurement.
static int32_t previous_temperatureb=0; //Declare a variable to store current temperature until next measurement.
static int32_t previous_temperaturec=0; //Declare a variable to store current temperature until next measurement.
sd_temp_get(&temperature);
temperature=x;
sd_temp_get(&temperatureg);
temperatureg=g;
sd_temp_get(&temperatureb);
temperatureb=b;
sd_temp_get(&temperaturec);
temperaturec=c;
//Get temperature
/* if (addr1==y)
{
NRF_LOG_INFO("value of temp %d",addr1);
temperature=x;
// Check if current temperature is different from last temperature
if(temperature != previous_temperature)
{
// If new temperature then send notification
our_temperature_characteristic_update(&m_our_service, &temperature);
}}
else if (addr1==y_g)
{
temperature=g;*/
// Check if current temperature is different from last temperature
if(temperature != previous_temperature || temperatureg != previous_temperatureg || temperatureb != previous_temperatureb || temperaturec != previous_temperaturec )
{
// If new temperature then send notification
our_temperature_characteristic_update(&m_our_service, &temperature);
our_temperature_characteristic_update_g(&m_our_service, &temperatureg);
our_temperature_characteristic_update_b(&m_our_service, &temperatureb);
our_temperature_characteristic_update_c(&m_our_service, &temperaturec);
}
// Save current temperature until next measurement
previous_temperature = temperature;
previous_temperatureb = temperatureb;
previous_temperaturec = temperaturec;
previous_temperatureg = temperatureg;
nrf_gpio_pin_toggle(LED_2);
NRF_LOG_INFO("value of temp %d",previous_temperature);
NRF_LOG_INFO("value of temp %d",previous_temperatureg);
NRF_LOG_INFO("value of temp %d",previous_temperatureb);
NRF_LOG_INFO("value of temp %d",previous_temperaturec);
}
/**@brief Function for handling Peer Manager events.
*
* @param[in] p_evt Peer Manager event.
*/
static void pm_evt_handler(pm_evt_t const * p_evt)
{
ret_code_t err_code;
switch (p_evt->evt_id)
{
case PM_EVT_BONDED_PEER_CONNECTED:
{
NRF_LOG_INFO("Connected to a previously bonded device.");
} break;
case PM_EVT_CONN_SEC_SUCCEEDED:
{
NRF_LOG_INFO("Connection secured: role: %d, conn_handle: 0x%x, procedure: %d.",
ble_conn_state_role(p_evt->conn_handle),
p_evt->conn_handle,
p_evt->params.conn_sec_succeeded.procedure);
} break;
case PM_EVT_CONN_SEC_FAILED:
{
/* Often, when securing fails, it shouldn't be restarted, for security reasons.
* Other times, it can be restarted directly.
* Sometimes it can be restarted, but only after changing some Security Parameters.
* Sometimes, it cannot be restarted until the link is disconnected and reconnected.
* Sometimes it is impossible, to secure the link, or the peer device does not support it.
* How to handle this error is highly application dependent. */
} break;
case PM_EVT_CONN_SEC_CONFIG_REQ:
{
// Reject pairing request from an already bonded peer.
pm_conn_sec_config_t conn_sec_config = {.allow_repairing = false};
pm_conn_sec_config_reply(p_evt->conn_handle, &conn_sec_config);
} break;
case PM_EVT_STORAGE_FULL:
{
// Run garbage collection on the flash.
err_code = fds_gc();
if (err_code == FDS_ERR_NO_SPACE_IN_QUEUES)
{
// Retry.
}
else
{
APP_ERROR_CHECK(err_code);
}
} break;
case PM_EVT_PEERS_DELETE_SUCCEEDED:
{
advertising_start(false);
} break;
case PM_EVT_PEER_DATA_UPDATE_FAILED:
{
// Assert.
APP_ERROR_CHECK(p_evt->params.peer_data_update_failed.error);
} break;
case PM_EVT_PEER_DELETE_FAILED:
{
// Assert.
APP_ERROR_CHECK(p_evt->params.peer_delete_failed.error);
} break;
case PM_EVT_PEERS_DELETE_FAILED:
{
// Assert.
APP_ERROR_CHECK(p_evt->params.peers_delete_failed_evt.error);
} break;
case PM_EVT_ERROR_UNEXPECTED:
{
// Assert.
APP_ERROR_CHECK(p_evt->params.error_unexpected.error);
} break;
case PM_EVT_CONN_SEC_START:
case PM_EVT_PEER_DATA_UPDATE_SUCCEEDED:
case PM_EVT_PEER_DELETE_SUCCEEDED:
case PM_EVT_LOCAL_DB_CACHE_APPLIED:
case PM_EVT_LOCAL_DB_CACHE_APPLY_FAILED:
// This can happen when the local DB has changed.
case PM_EVT_SERVICE_CHANGED_IND_SENT:
case PM_EVT_SERVICE_CHANGED_IND_CONFIRMED:
default:
break;
}
}
/**@brief Function for the Timer initialization.
*
* @details Initializes the timer module. This creates and starts application timers.
*/
static void timers_init(void)
{
// Initialize timer module.
ret_code_t err_code = app_timer_init();
APP_ERROR_CHECK(err_code);
// OUR_JOB: Step 3.H, Initiate our timer
app_timer_create(&m_our_char_timer_id, APP_TIMER_MODE_REPEATED, timer_timeout_handler);
}
/**@brief Function for the GAP initialization.
*
* @details This function sets up all the necessary GAP (Generic Access Profile) parameters of the
* device including the device name, appearance, and the preferred connection parameters.
*/
static void gap_params_init(void)
{
ret_code_t err_code;
ble_gap_conn_params_t gap_conn_params;
ble_gap_conn_sec_mode_t sec_mode;
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode);
err_code = sd_ble_gap_device_name_set(&sec_mode,
(const uint8_t *)DEVICE_NAME,
strlen(DEVICE_NAME));
APP_ERROR_CHECK(err_code);
memset(&gap_conn_params, 0, sizeof(gap_conn_params));
gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL;
gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL;
gap_conn_params.slave_latency = SLAVE_LATENCY;
gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT;
err_code = sd_ble_gap_ppcp_set(&gap_conn_params);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for initializing the GATT module.
*/
static void gatt_init(void)
{
ret_code_t err_code = nrf_ble_gatt_init(&m_gatt, NULL);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling Queued Write Module errors.
*
* @details A pointer to this function will be passed to each service which may need to inform the
* application about an error.
*
* @param[in] nrf_error Error code containing information about what went wrong.
*/
static void nrf_qwr_error_handler(uint32_t nrf_error)
{
APP_ERROR_HANDLER(nrf_error);
}
/**@brief Function for initializing services that will be used by the application.
*/
static void services_init(void)
{
uint32_t err_code;
ble_led_service_init_t led_init;
nrf_ble_qwr_init_t qwr_init = {0};
// Initialize Queued Write Module.
qwr_init.error_handler = nrf_qwr_error_handler;
err_code = nrf_ble_qwr_init(&m_qwr, &qwr_init);
APP_ERROR_CHECK(err_code);
//FROM_SERVICE_TUTORIAL: Add code to initialize the services used by the application.
our_service_init(&m_our_service);
// intialize LED SERVICES
led_init.led_write_handler = led_write_handler;
err_code = ble_led_service_init(&m_led_service, &led_init);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling the Connection Parameters Module.
*
* @details This function will be called for all events in the Connection Parameters Module which
* are passed to the application.
* @note All this function does is to disconnect. This could have been done by simply
* setting the disconnect_on_fail config parameter, but instead we use the event
* handler mechanism to demonstrate its use.
*
* @param[in] p_evt Event received from the Connection Parameters Module.
*/
static void on_conn_params_evt(ble_conn_params_evt_t * p_evt)
{
ret_code_t err_code;
if (p_evt->evt_type == BLE_CONN_PARAMS_EVT_FAILED)
{
err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_CONN_INTERVAL_UNACCEPTABLE);
APP_ERROR_CHECK(err_code);
}
}
/**@brief Function for handling a Connection Parameters error.
*
* @param[in] nrf_error Error code containing information about what went wrong.
*/
static void conn_params_error_handler(uint32_t nrf_error)
{
APP_ERROR_HANDLER(nrf_error);
}
/**@brief Function for initializing the Connection Parameters module.
*/
static void conn_params_init(void)
{
ret_code_t err_code;
ble_conn_params_init_t cp_init;
memset(&cp_init, 0, sizeof(cp_init));
cp_init.p_conn_params = NULL;
cp_init.first_conn_params_update_delay = FIRST_CONN_PARAMS_UPDATE_DELAY;
cp_init.next_conn_params_update_delay = NEXT_CONN_PARAMS_UPDATE_DELAY;
cp_init.max_conn_params_update_count = MAX_CONN_PARAMS_UPDATE_COUNT;
cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID;
cp_init.disconnect_on_fail = false;
cp_init.evt_handler = on_conn_params_evt;
cp_init.error_handler = conn_params_error_handler;
err_code = ble_conn_params_init(&cp_init);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for starting timers.
*/
static void application_timers_start(void)
{
// OUR_JOB: Step 3.I, Start our timer
//app_timer_start(m_our_char_timer_id, OUR_CHAR_TIMER_INTERVAL, NULL);
//To update temperature only when in a connection then don't call app_timer_start() here, but in ble_event_handler()
}
/**@brief Function for putting the chip into sleep mode.
*
* @note This function will not return.
*/
static void sleep_mode_enter(void)
{
ret_code_t err_code;
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);
}
/**@brief Function for handling advertising events.
*
* @details This function will be called for advertising events which are passed to the application.
*
* @param[in] ble_adv_evt Advertising event.
*/
static void on_adv_evt(ble_adv_evt_t ble_adv_evt)
{
ret_code_t err_code;
switch (ble_adv_evt)
{
case BLE_ADV_EVT_FAST:
NRF_LOG_INFO("Fast advertising.");
err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING);
APP_ERROR_CHECK(err_code);
break;
case BLE_ADV_EVT_IDLE:
sleep_mode_enter();
break;
default:
break;
}
}
/**@brief Function for handling BLE events.
*
* @param[in] p_ble_evt Bluetooth stack event.
* @param[in] p_context Unused.
*/
static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context)
{
ret_code_t err_code = NRF_SUCCESS;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_DISCONNECTED:
NRF_LOG_INFO("Disconnected.");
// LED indication will be changed when advertising starts.
break;
case BLE_GAP_EVT_CONNECTED:
NRF_LOG_INFO("Connected.");
err_code = bsp_indication_set(BSP_INDICATE_CONNECTED);
APP_ERROR_CHECK(err_code);
m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
err_code = nrf_ble_qwr_conn_handle_assign(&m_qwr, m_conn_handle);
APP_ERROR_CHECK(err_code);
//When connected; start our timer to start regular temperature measurements
app_timer_start(m_our_char_timer_id, OUR_CHAR_TIMER_INTERVAL, NULL);
break;
case BLE_GAP_EVT_PHY_UPDATE_REQUEST:
{
NRF_LOG_DEBUG("PHY update request.");
ble_gap_phys_t const phys =
{
.rx_phys = BLE_GAP_PHY_AUTO,
.tx_phys = BLE_GAP_PHY_AUTO,
};
err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys);
APP_ERROR_CHECK(err_code);
} break;
case BLE_GATTC_EVT_TIMEOUT:
// Disconnect on GATT Client timeout event.
NRF_LOG_DEBUG("GATT Client Timeout.");
err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
APP_ERROR_CHECK(err_code);
break;
case BLE_GATTS_EVT_TIMEOUT:
// Disconnect on GATT Server timeout event.
NRF_LOG_DEBUG("GATT Server Timeout.");
err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
APP_ERROR_CHECK(err_code);
break;
default:
// No implementation needed.
break;
}
}
/**@brief Function for initializing the BLE stack.
*
* @details Initializes the SoftDevice and the BLE event interrupt.
*/
static void ble_stack_init(void)
{
ret_code_t err_code;
err_code = nrf_sdh_enable_request();
APP_ERROR_CHECK(err_code);
// Configure the BLE stack using the default settings.
// Fetch the start address of the application RAM.
uint32_t ram_start = 0;
err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start);
APP_ERROR_CHECK(err_code);
// Enable BLE stack.
err_code = nrf_sdh_ble_enable(&ram_start);
APP_ERROR_CHECK(err_code);
// Register a handler for BLE events.
NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL);
//OUR_JOB: Step 3.C Set up a BLE event observer to call ble_our_service_on_ble_evt() to do housekeeping of ble connections related to our service and characteristics.
NRF_SDH_BLE_OBSERVER(m_our_service_observer, APP_BLE_OBSERVER_PRIO, ble_our_service_on_ble_evt, (void*) &m_our_service);
}
/**@brief Function for the Peer Manager initialization.
*/
static void peer_manager_init(void)
{
ble_gap_sec_params_t sec_param;
ret_code_t err_code;
err_code = pm_init();
APP_ERROR_CHECK(err_code);
memset(&sec_param, 0, sizeof(ble_gap_sec_params_t));
// Security parameters to be used for all security procedures.
sec_param.bond = SEC_PARAM_BOND;
sec_param.mitm = SEC_PARAM_MITM;
sec_param.lesc = SEC_PARAM_LESC;
sec_param.keypress = SEC_PARAM_KEYPRESS;
sec_param.io_caps = SEC_PARAM_IO_CAPABILITIES;
sec_param.oob = SEC_PARAM_OOB;
sec_param.min_key_size = SEC_PARAM_MIN_KEY_SIZE;
sec_param.max_key_size = SEC_PARAM_MAX_KEY_SIZE;
sec_param.kdist_own.enc = 1;
sec_param.kdist_own.id = 1;
sec_param.kdist_peer.enc = 1;
sec_param.kdist_peer.id = 1;
err_code = pm_sec_params_set(&sec_param);
APP_ERROR_CHECK(err_code);
err_code = pm_register(pm_evt_handler);
APP_ERROR_CHECK(err_code);
}
/**@brief Clear bond information from persistent storage.
*/
static void delete_bonds(void)
{
ret_code_t err_code;
NRF_LOG_INFO("Erase bonds!");
err_code = pm_peers_delete();
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling events from the BSP module.
*
* @param[in] event Event generated when button is pressed.
*/
static void bsp_event_handler(bsp_event_t event)
{
ret_code_t err_code;
switch (event)
{
case BSP_EVENT_SLEEP:
sleep_mode_enter();
break; // BSP_EVENT_SLEEP
case BSP_EVENT_DISCONNECT:
err_code = sd_ble_gap_disconnect(m_conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
break; // BSP_EVENT_DISCONNECT
case BSP_EVENT_WHITELIST_OFF:
if (m_conn_handle == BLE_CONN_HANDLE_INVALID)
{
err_code = ble_advertising_restart_without_whitelist(&m_advertising);
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
}
break; // BSP_EVENT_KEY_0
default:
break;
}
}
/**@brief Function for initializing the Advertising functionality.
*/
static void advertising_init(void)
{
ret_code_t err_code;
ble_advertising_init_t init;
memset(&init, 0, sizeof(init));
init.advdata.name_type = BLE_ADVDATA_FULL_NAME;
init.advdata.include_appearance = true;
init.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;
init.srdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]);
init.srdata.uuids_complete.p_uuids = m_adv_uuids;
init.config.ble_adv_fast_enabled = true;
init.config.ble_adv_fast_interval = APP_ADV_INTERVAL;
init.config.ble_adv_fast_timeout = APP_ADV_DURATION;
init.evt_handler = on_adv_evt;
err_code = ble_advertising_init(&m_advertising, &init);
APP_ERROR_CHECK(err_code);
ble_advertising_conn_cfg_tag_set(&m_advertising, APP_BLE_CONN_CFG_TAG);
}
/**@brief Function for initializing buttons and leds.
*
* @param[out] p_erase_bonds Will be true if the clear bonding button was pressed to wake the application up.
*/
static void buttons_leds_init(bool * p_erase_bonds)
{
ret_code_t err_code;
bsp_event_t startup_event;
err_code = bsp_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS, bsp_event_handler);
APP_ERROR_CHECK(err_code);
err_code = bsp_btn_ble_init(NULL, &startup_event);
APP_ERROR_CHECK(err_code);
*p_erase_bonds = (startup_event == BSP_EVENT_CLEAR_BONDING_DATA);
}
static void led_write_handler(uint16_t conn_handle, ble_led_service_t * p_led_service, uint8_t led_state)
{
if (led_state)
{
bsp_board_led_on(LIGHTBULB_LED);
NRF_LOG_INFO("Received LED ON!");
}
else
{
bsp_board_led_off(LIGHTBULB_LED);
NRF_LOG_INFO("Received LED OFF!");
}
}
/**@brief Function for initializing the nrf log module.
*/
static void log_init(void)
{
ret_code_t err_code = NRF_LOG_INIT(NULL);
APP_ERROR_CHECK(err_code);
NRF_LOG_DEFAULT_BACKENDS_INIT();
}
/**@brief Function for initializing power management.
*/
static void power_management_init(void)
{
ret_code_t err_code;
err_code = nrf_pwr_mgmt_init();
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling the idle state (main loop).
*
* @details If there is no pending log operation, then sleep until next the next event occurs.
*/
static void idle_state_handle(void)
{
if (NRF_LOG_PROCESS() == false)
{
nrf_pwr_mgmt_run();
}
}
void get_rgb(void)
{
// uint8_t timer[] = {0x01,0x00};
// uint8_t gain[] = {0x0f,0x10};
twi_init();
scan_reg();
sensor_init();
get_read();
// nrf_delay_ms(20);
// reg_write(timer);
// reg_write(gain);
// reg_read(0x81);
// reg_read(0x8f);
// reg2_readred(y);
// reg2_readgreen(y_g);
//reg2_readblue(y_b);
//reg2_readclear(y_c);
NRF_LOG_INFO("all values read");
}
/**@brief Function for starting advertising.
*/
static void advertising_start(bool erase_bonds)
{
if (erase_bonds == true)
{
delete_bonds();
// Advertising is started by PM_EVT_PEERS_DELETED_SUCEEDED event
}
else
{
ret_code_t err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST);
APP_ERROR_CHECK(err_code);
}
}
static void button_handler(uint8_t pin_no, uint8_t button_action)
{
if(button_action == APP_BUTTON_PUSH)
{
switch(pin_no)
{
case BUTTON_1:
nrf_gpio_pin_toggle(LED_1);
// NRF_LOG_INFO("PIN NO %d", pin_no);
//NRF_LOG_INFO("PIN NO %d", pin_no);
// NRF_LOG_INFO("PIN NO %d", pin_no);
reg2_readred(y);
//reg2_readgreen(y_g);
break;
case BUTTON_2:
nrf_gpio_pin_toggle(LED_2);
NRF_LOG_INFO("PIN NO %d", pin_no);
break;
case BUTTON_3:
nrf_gpio_pin_toggle(LED_3);
NRF_LOG_INFO("PIN NO %d", pin_no);
break;
case BUTTON_4:
nrf_gpio_pin_toggle(LED_4);
NRF_LOG_INFO("PIN NO %d", pin_no);
break;
default:
break;
}
}
}
void init_leds()
{
nrf_gpio_cfg_output(LED_1);
nrf_gpio_cfg_output(LED_2);
nrf_gpio_cfg_output(LED_3);
nrf_gpio_cfg_output(LED_4);
nrf_gpio_pin_set(LED_1);
nrf_gpio_pin_set(LED_2);
nrf_gpio_pin_set(LED_3);
nrf_gpio_pin_set(LED_4);
NRF_LOG_INFO("led initialized");
}
void init_clock()
{
NRF_CLOCK->LFCLKSRC = (CLOCK_LFCLKSRC_SRC_Xtal << CLOCK_LFCLKSRC_SRC_Pos);
NRF_CLOCK->EVENTS_LFCLKSTARTED = 0;
NRF_CLOCK->TASKS_LFCLKSTART = 1;
while (NRF_CLOCK->EVENTS_LFCLKSTARTED == 0); // Wait for clock to start
NRF_LOG_INFO("clock initialized");
}
/**@brief Function for application main entry.
*/
int main(void)
{
bool erase_bonds;
uint32_t err_code;
// Initialize.
//
log_init();
NRF_LOG_INFO("RGBC_CODE.");
timers_init();
init_leds();
init_clock();
static app_button_cfg_t p_button[] = { {BUTTON_1, APP_BUTTON_ACTIVE_LOW, NRF_GPIO_PIN_PULLUP, button_handler},
{BUTTON_2, APP_BUTTON_ACTIVE_LOW, NRF_GPIO_PIN_PULLUP, button_handler},
{BUTTON_3, APP_BUTTON_ACTIVE_LOW, NRF_GPIO_PIN_PULLUP, button_handler},
{BUTTON_4, APP_BUTTON_ACTIVE_LOW, NRF_GPIO_PIN_PULLUP, button_handler}};
err_code = app_button_init(p_button, sizeof(p_button) / sizeof(p_button[0]), BUTTON_DEBOUNCE_DELAY);
APP_ERROR_CHECK(err_code);
// Enabling the buttons.
err_code = app_button_enable();
APP_ERROR_CHECK(err_code) ;
power_management_init();
//enabling twi
get_rgb();
/*reg2_readred(y);
reg2_readgreen(y_g);
reg2_readblue(y_b);
reg2_readclear(y_c);*/
/* ble_stack_init();
gap_params_init();
gatt_init();
services_init();
advertising_init();
conn_params_init();
peer_manager_init();
// Start execution.
NRF_LOG_INFO("OurCharacteristics tutorial started.");
application_timers_start();
advertising_start(erase_bonds);
// Enter main loop.*/
for (;;)
{
idle_state_handle();
}
}
/**
* @}
*/