Im struck at some point with some error, added all supporting file along with header files but still im getting error. Im using sdk15.3 pca10040 nrf52832.
please verify code i have attached.
/**
* Copyright (c) 2014 - 2019, Nordic Semiconductor ASA
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, must reproduce the above copyright notice, this list of
* conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
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*/
/** @file
*
* @defgroup ble_sdk_uart_over_ble_main main.c
* @{
* @ingroup ble_sdk_app_nus_eval
* @brief UART over BLE application main file.
*
* This file contains the source code for a sample application that uses the Nordic UART service.
* This application uses the @ref srvlib_conn_params module.
*/
#include <stdint.h>
#include <string.h>
#include "nordic_common.h"
#include "nrf.h"
#include "app_timer.h"
#include "ble_hci.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 "nrf_ble_gatt.h"
#include "nrf_ble_qwr.h"
#include "app_timer.h"
#include "ble_nus.h"
#include "app_uart.h"
#include "app_util_platform.h"
#include "bsp_btn_ble.h"
#include "nrf_pwr_mgmt.h"
#include "nrf_drv_saadc.h"
#include "nrf_delay.h"
#if defined (UART_PRESENT)
#include "nrf_uart.h"
#endif
#if defined (UARTE_PRESENT)
#include "nrf_uarte.h"
#endif
#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"
#include "nrf_drv_power.h"
#include "nrf_drv_clock.h"
#include "nrf_drv_twi.h"
#include "nrf_drv_spi.h"
#include "nrf_gpio.h"
#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */
#define DEVICE_NAME "BLE_SAADC" /**< Name of device. Will be included in the advertising data. */
#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */
#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */
#define APP_ADV_INTERVAL 320 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 40 ms). */
#define APP_ADV_DURATION 180 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */
#define MIN_CONN_INTERVAL MSEC_TO_UNITS(20, UNIT_1_25_MS) /**< Minimum acceptable connection interval (20 ms), Connection interval uses 1.25 ms units. */
#define MAX_CONN_INTERVAL MSEC_TO_UNITS(75, UNIT_1_25_MS) /**< Maximum acceptable connection interval (75 ms), Connection interval uses 1.25 ms units. */
#define SLAVE_LATENCY 20 /**< Slave latency. */
#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds), Supervision Timeout uses 10 ms units. */
#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 DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */
#define UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */
#define UART_RX_BUF_SIZE 256 /**< UART RX buffer size. */
#define RTC_FREQUENCY 32 //Determines the RTC frequency and prescaler
#define RTC_CC_VALUE 80 //Determines the RTC interrupt frequency and thereby the SAADC sampling frequency
#define SAADC_CALIBRATION_INTERVAL 1 //Determines how often the SAADC should be calibrated relative to NRF_DRV_SAADC_EVT_DONE event. E.g. value 5 will make the SAADC calibrate every fifth time the NRF_DRV_SAADC_EVT_DONE is received.
#define SAADC_SAMPLES_IN_BUFFER 1 //Number of SAADC samples in RAM before returning a SAADC event. For low power SAADC set this constant to 1. Otherwise the EasyDMA will be enabled for an extended time which consumes high current.
#define SAADC_OVERSAMPLE NRF_SAADC_OVERSAMPLE_DISABLED //Oversampling setting for the SAADC. Setting oversample to 4x This will make the SAADC output a single averaged value when the SAMPLE task is triggered 4 times. Enable BURST mode to make the SAADC sample 4 times when triggering SAMPLE task once.
#define SAADC_BURST_MODE 0 //Set to 1 to enable BURST mode, otherwise set to 0.
#define Button 21
#define Time_INTERVAL APP_TIMER_TICKS(10000)
APP_TIMER_DEF(TIMER_2m);
static const nrf_drv_twi_t m_twi_master = NRF_DRV_TWI_INSTANCE(0);
#define EEPROM_ADDRESS (0xA0 >> 1)
BLE_NUS_DEF(m_nus, NRF_SDH_BLE_TOTAL_LINK_COUNT); /**< BLE NUS service instance. */
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. */
static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */
static uint16_t m_ble_nus_max_data_len = BLE_GATT_ATT_MTU_DEFAULT - 3; /**< Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */
static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifier. */
{
{BLE_UUID_NUS_SERVICE, NUS_SERVICE_UUID_TYPE}
};
#define MAX30205_ADDRESS 0x48
#define COMMAND_ADDRESS 0x00
bool BLE = 0;
char Data_string [20];
char saved [25];
//static uint8_t data_array[30];
char THB[30];
uint8_t control=0;
char Sys_ID[] = "40001";
int battery;
unsigned char temp[20];
int msg_len=0;
uint8_t bleRecData[20];
#define LED0 16
#define LED1 9
#define LED2 10
bool CONNECTED=0;
int value;
const uint32_t UICR_ADDR_0x20C __attribute__((at(0x1000120C))) __attribute__((used)) = 0xFFFFFFFE ;
/**@brief Function for assert macro callback.
*
* @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 analyse
* 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] p_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 the GAP initialization.
*
* @details This function will set up all the necessary GAP (Generic Access Profile) parameters of
* the device. It also sets the permissions and appearance.
*/
static void gap_params_init(void)
{
uint32_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 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 handling the data from the Nordic UART Service.
*
* @details This function will process the data received from the Nordic UART BLE Service and send
* it to the UART module.
*
* @param[in] p_evt Nordic UART Service event.
*/
/**@snippet [Handling the data received over BLE] */
void getData(const uint8_t* recData,uint8_t* saveData, uint8_t index)
{
saveData[index] = recData[index];
}
static void nus_data_handler(ble_nus_evt_t * p_evt,uint8_t * p_data, uint16_t length)
{
if (p_evt->type == BLE_NUS_EVT_RX_DATA)
{
uint32_t err_code;
NRF_LOG_DEBUG("Received data from BLE NUS. Writing data on UART.");
NRF_LOG_HEXDUMP_DEBUG(p_evt->params.rx_data.p_data, p_evt->params.rx_data.length);
for (uint32_t i = 0; i < p_evt->params.rx_data.length; i++)
{
do
{
getData(p_evt->params.rx_data.p_data, bleRecData, i);
err_code = app_uart_put(p_evt->params.rx_data.p_data[i]);
if ((err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_BUSY))
{
NRF_LOG_ERROR("Failed receiving NUS message. Error 0x%x. ", err_code);
APP_ERROR_CHECK(err_code);
}
} while (err_code == NRF_ERROR_BUSY);
}
if (p_evt->params.rx_data.p_data[p_evt->params.rx_data.length - 1] == '\r')
{
while (app_uart_put('\n') == NRF_ERROR_BUSY);
}
}
}
/*static void nus_data_handler(ble_nus_t * p_nus, uint8_t * p_data, uint16_t length)
{
for (uint32_t i = 0; i < length; i++)
{
getData(p_data, bleRecData, i);
while(app_uart_put(p_data[i]) != NRF_SUCCESS);
}
while(app_uart_put('\n') != NRF_SUCCESS);
}*/
/**@snippet [Handling the data received over BLE] */
/**@brief Function for initializing services that will be used by the application.
*/
static void services_init(void)
{
uint32_t err_code;
ble_nus_init_t nus_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);
// Initialize NUS.
memset(&nus_init, 0, sizeof(nus_init));
nus_init.data_handler = nus_data_handler;
err_code = ble_nus_init(&m_nus, &nus_init);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling an event from 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)
{
uint32_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 errors from the Connection Parameters module.
*
* @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)
{
uint32_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 putting the chip into sleep mode.
*
* @note This function will not return.
*/
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);
}
/**@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)
{
uint32_t err_code;
switch (ble_adv_evt)
{
case BLE_ADV_EVT_FAST:
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)
{
uint32_t err_code;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_CONNECTED:
//NRF_LOG_INFO("Connected");
CONNECTED = 1;
nrf_gpio_pin_set(LED0);
//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);
break;
case BLE_GAP_EVT_DISCONNECTED:
CONNECTED = 0;
nrf_gpio_pin_clear(LED0);
//NRF_LOG_INFO("Disconnected");
// LED indication will be changed when advertising starts.
m_conn_handle = BLE_CONN_HANDLE_INVALID;
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_GAP_EVT_SEC_PARAMS_REQUEST:
// Pairing not supported
err_code = sd_ble_gap_sec_params_reply(m_conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL);
APP_ERROR_CHECK(err_code);
break;
case BLE_GATTS_EVT_SYS_ATTR_MISSING:
// No system attributes have been stored.
err_code = sd_ble_gatts_sys_attr_set(m_conn_handle, NULL, 0, 0);
APP_ERROR_CHECK(err_code);
break;
case BLE_GATTC_EVT_TIMEOUT:
// Disconnect on GATT Client timeout event.
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.
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 the SoftDevice initialization.
*
* @details This function 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);
}
/**@brief Function for handling events from the GATT library. */
void gatt_evt_handler(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t const * p_evt)
{
if ((m_conn_handle == p_evt->conn_handle) && (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED))
{
m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH;
//NRF_LOG_INFO("Data len is set to 0x%X(%d)", m_ble_nus_max_data_len, m_ble_nus_max_data_len);
}
//NRF_LOG_DEBUG("ATT MTU exchange completed. central 0x%x peripheral 0x%x",
// p_gatt->att_mtu_desired_central,
// p_gatt->att_mtu_desired_periph);
}
/**@brief Function for initializing the GATT library. */
void gatt_init(void)
{
ret_code_t err_code;
err_code = nrf_ble_gatt_init(&m_gatt, gatt_evt_handler);
APP_ERROR_CHECK(err_code);
err_code = nrf_ble_gatt_att_mtu_periph_set(&m_gatt, NRF_SDH_BLE_GATT_MAX_MTU_SIZE);
APP_ERROR_CHECK(err_code);
}
/**@brief Function for handling events from the BSP module.
*
* @param[in] event Event generated by button press.
*/
void bsp_event_handler(bsp_event_t event)
{
uint32_t err_code;
switch (event)
{
case BSP_EVENT_SLEEP:
sleep_mode_enter();
break;
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;
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;
default:
break;
}
}
/**@snippet [UART Initialization] */
/**@brief Function for initializing the Advertising functionality.
*/
static void advertising_init(void)
{
uint32_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 = false;
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 = 0;
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)
{
bsp_event_t startup_event;
uint32_t 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);
}*/
/**@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();
}
}
/**@brief Function for starting advertising.
*/
static void advertising_start(void)
{
uint32_t err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST);
APP_ERROR_CHECK(err_code);
}
void timers_init(void){
uint32_t err_code;
err_code = app_timer_init();
APP_ERROR_CHECK(err_code);
// Create timers.
/* err_code = app_timer_create(&TIMER_2m,
APP_TIMER_MODE_REPEATED,
timer_event_handler);
APP_ERROR_CHECK(err_code);*/
}
#define SPI_INSTANCE 0 /**< SPI instance index. */
static const nrf_drv_spi_t spi = NRF_DRV_SPI_INSTANCE(SPI_INSTANCE); /**< SPI instance. */
static volatile bool spi_xfer_done; /**< Flag used to indicate that SPI instance completed the transfer. */
//#define TEST_STRING "Nordic"
static uint8_t m_tx_buf[2]; /**< TX buffer. */
static uint8_t m_rx_buf[40]; /**< RX buffer. */
//static const uint8_t m_length = sizeof(m_tx_buf); /**< Transfer length. */
void spi_event_handler(nrf_drv_spi_evt_t const * p_event)
{
spi_xfer_done = true;
NRF_LOG_INFO(" Sent %d bytes: ", p_event->data.done.tx_length);
for(int i=0; i< p_event->data.done.tx_length;i++)
{
NRF_LOG_INFO(" ;(0x%x); ",p_event->data.done.p_tx_buffer[i], p_event->data.done.p_tx_buffer[i]);
}
//NRF_LOG_INFO("\r\n");
NRF_LOG_INFO(" Received %d bytes: ", p_event->data.done.rx_length);
for(int i=0; i< p_event->data.done.rx_length;i++)
{
NRF_LOG_INFO(" ;(0x%x); ",p_event->data.done.p_rx_buffer[i], p_event->data.done.p_rx_buffer[i]);
nrf_delay_ms(5);
}
//NRF_LOG_INFO("\r\n\n");
}
void spi_con(void)
{
nrf_gpio_cfg_output(18); //Configure pin 18 as output
NRF_CLOCK->TASKS_HFCLKSTART = 1; //Start high frequency clock
while (NRF_CLOCK->EVENTS_HFCLKSTARTED == 0)
{
//Wait for HFCLK to start
}
NRF_CLOCK->EVENTS_HFCLKSTARTED = 0; //Clear event
//Configure GPIOTE to toggle pin 18
NRF_GPIOTE->CONFIG[0] = GPIOTE_CONFIG_MODE_Task << GPIOTE_CONFIG_MODE_Pos |
GPIOTE_CONFIG_POLARITY_Toggle << GPIOTE_CONFIG_POLARITY_Pos |
18 << GPIOTE_CONFIG_PSEL_Pos |
GPIOTE_CONFIG_OUTINIT_Low << GPIOTE_CONFIG_OUTINIT_Pos;
//Configure timer
NRF_TIMER1->PRESCALER = 3;
NRF_TIMER1->CC[0] = 1; // Adjust the output frequency by adjusting the CC.
NRF_TIMER1->SHORTS = TIMER_SHORTS_COMPARE0_CLEAR_Enabled << TIMER_SHORTS_COMPARE0_CLEAR_Pos;
NRF_TIMER1->TASKS_START = 1;
//Configure PPI
NRF_PPI->CH[0].EEP = (uint32_t) &NRF_TIMER1->EVENTS_COMPARE[0];
NRF_PPI->CH[0].TEP = (uint32_t) &NRF_GPIOTE->TASKS_OUT[0];
NRF_PPI->CHENSET = PPI_CHENSET_CH0_Enabled << PPI_CHENSET_CH0_Pos;
LEDS_CONFIGURE(BSP_LED_0_MASK);
LEDS_OFF(BSP_LED_0_MASK);
nrf_drv_spi_config_t spi_config = NRF_DRV_SPI_DEFAULT_CONFIG;
spi_config.ss_pin = SPI_SS_PIN;
spi_config.miso_pin = SPI_MISO_PIN;
spi_config.mosi_pin = SPI_MOSI_PIN;
spi_config.sck_pin = SPI_SCK_PIN;
APP_ERROR_CHECK(nrf_drv_spi_init(&spi, &spi_config, spi_event_handler, NULL));
NRF_LOG_INFO("SPI example started.");
// Reset rx buffer and transfer done flag
memset(m_rx_buf, 0, 40);
spi_xfer_done = false;
m_tx_buf[0]=0x0d;
APP_ERROR_CHECK(nrf_drv_spi_transfer(&spi, m_tx_buf, 2, m_rx_buf, 40));
while (!spi_xfer_done)
{
__WFE();
}
}
////\/\/\/\/\/\/\\/\//\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\//\/\/\/\/\/\/\/\/\/\/\/\/\/\\/\/\/\/\/\/\//\/\\/\/\/\/\/\/\/\/\/\/\/\/\/\/
void saadc_init(void);
static nrf_saadc_value_t m_buffer_pool[2][SAADC_SAMPLES_IN_BUFFER];
static uint32_t m_adc_evt_counter = 0;
static bool m_saadc_calibrate = false;
static void lfclk_config(void)
{
ret_code_t err_code = nrf_drv_clock_init(); //Initialize the clock source specified in the nrf_drv_config.h file, i.e. the CLOCK_CONFIG_LF_SRC constant
APP_ERROR_CHECK(err_code);
nrf_drv_clock_lfclk_request(NULL);
}
void saadc_callback(nrf_drv_saadc_evt_t const * p_event)
{
if (p_event->type == NRF_DRV_SAADC_EVT_DONE)
{
ret_code_t err_code;
err_code = nrf_drv_saadc_buffer_convert(p_event->data.done.p_buffer, SAADC_SAMPLES_IN_BUFFER);
APP_ERROR_CHECK(err_code);
int i;
NRF_LOG_INFO("ADC event number: %d", (int)m_adc_evt_counter);
for (i = 0; i < SAADC_SAMPLES_IN_BUFFER; i++)
{
NRF_LOG_INFO("%d", p_event->data.done.p_buffer[i]);
}
m_adc_evt_counter++;
}
}
void saadc_init(void)
{
ret_code_t err_code;
nrf_saadc_channel_config_t channel_config =
NRF_DRV_SAADC_DEFAULT_CHANNEL_CONFIG_SE(NRF_SAADC_INPUT_AIN0);
err_code = nrf_drv_saadc_init(NULL, saadc_callback);
APP_ERROR_CHECK(err_code);
err_code = nrf_drv_saadc_channel_init(0, &channel_config);
APP_ERROR_CHECK(err_code);
err_code = nrf_drv_saadc_buffer_convert(m_buffer_pool[0], SAADC_SAMPLES_IN_BUFFER);
APP_ERROR_CHECK(err_code);
err_code = nrf_drv_saadc_buffer_convert(m_buffer_pool[1], SAADC_SAMPLES_IN_BUFFER);
APP_ERROR_CHECK(err_code);
}
////////////////////////////////////////////////////////////////////////\//
static ret_code_t twi_init(void)
{
ret_code_t ret_code;
//Setup SDA and SCL pin, twi frequency and interrupt priority
const nrf_drv_twi_config_t config =
{
.scl = 8,
.sda = 7,
.frequency = NRF_DRV_TWI_FREQ_100K,
.interrupt_priority = APP_IRQ_PRIORITY_LOW
};
do
{
//ret_code = nrf_drv_twi_init(&m_twi_master, &config,twi_event_handler,NULL);//with event handler
ret_code = nrf_drv_twi_init(&m_twi_master, &config,NULL,NULL);// Without event handler
if(ret_code!= NRF_SUCCESS)
{
break;
}
nrf_drv_twi_enable(&m_twi_master);
}while(0);
return ret_code;
}
void eep_readByte(uint16_t eep_address, unsigned char* val){
unsigned char eep_by_address[2];
eep_by_address[1] = eep_address;
eep_by_address[0] = (unsigned char)(eep_address << 8);
// setting the start address
nrf_drv_twi_tx(&m_twi_master, EEPROM_ADDRESS, eep_by_address, 2, true);
// read a byte
nrf_drv_twi_rx(&m_twi_master, EEPROM_ADDRESS, val,1);
nrf_delay_ms(15);
}
void eep_WriteByte(uint16_t eep_address, unsigned char val){
unsigned char eep_by_address[3];
eep_by_address[2] = val;
eep_by_address[1] = eep_address;
eep_by_address[0] = (unsigned char)(eep_address << 8);
nrf_drv_twi_tx(&m_twi_master, EEPROM_ADDRESS, eep_by_address, 3, false);
nrf_delay_ms(5);
}
///////TEMEPRATURE AND HUMIDITY/////////////
ret_code_t start_Temp() {
ret_code_t ret_code;
uint8_t command_address = COMMAND_ADDRESS;
ret_code = nrf_drv_twi_tx(&m_twi_master, MAX30205_ADDRESS, &command_address, 1, false);
nrf_delay_ms(15);
return ret_code;
}
ret_code_t fetch_Temp( int *temperature){
ret_code_t ret_code;
uint8_t returned_over_I2C[4]; //Array to hold returned data
ret_code = nrf_drv_twi_rx(&m_twi_master, MAX30205_ADDRESS, returned_over_I2C, 2); //Get raw humidity data
nrf_delay_ms(1);
//Temperature calculation
uint16_t rawTemperature = ((unsigned int) returned_over_I2C[0] << 8) | (unsigned int) returned_over_I2C[1];
double tempTemperature = (double)rawTemperature * 0.00390625;
*temperature = tempTemperature ;// Temperature value
//Calculate humidity
nrf_delay_ms(15);
return ret_code;
}
/*void function(void){
uint16_t LEN;
if (BLE){
i=0;
k=0;
if(control>0){
repeat:
for(len = 0;len<=12;len++){
addr=len+p+10;
eep_readByte(addr,&data[len]);
if((data[len] == '!' || m>0) && data[len] != '&'){
if(data[len]=='!'){
m=1;
continue;}
temp[m] = data[len];
nrf_delay_ms(5);
m++;
}
if (addr>= 32767)
addr =10;
}
m=0;
nrf_delay_ms(20);
temp[0]='E';
sprintf(saved, "%s,%s",Sys_ID,temp);
LEN = sizeof(saved);
ble_nus_data_send(&m_nus,(uint8_t *)saved,&LEN,m_conn_handle);
memset(saved,0, LEN);
//printf("%s\r\n",temp);
p=p+15;
k=0;
m=0;
control--;
LEN = sizeof(comp);
if(control>0)
goto repeat;
}
control =0;
nrf_delay_ms(20);
nrf_drv_saadc_sample();
nrf_delay_ms(50);
nrf_drv_saadc_sample_task_get();
nrf_delay_ms(50);
start_Temp();
fetch_Temp(&temperature);
temperature =temperature;
sprintf(Data_string, "%s,%d,%d",Sys_ID,temperature,battery);
LEN = sizeof(Data_string);
ble_nus_data_send(&m_nus, (uint8_t *)Data_string,&LEN, m_conn_handle);
memset(Data_string,0, LEN);
}
else{
p = 0;
nrf_drv_saadc_sample();
nrf_delay_ms(15);
nrf_drv_saadc_sample_task_get();
nrf_delay_ms(15);
start_Temp();
fetch_Temp(&temperature);
nrf_delay_ms(15);
temperature =temperature;
memset(THB,0, 30);
sprintf(THB,"!%d,%d&",temperature,battery);
msg_len = strlen(THB);
control++;
for(len = 0;len<msg_len;len++){
addr=len+i+10;
eep_WriteByte(addr,THB[len]);
nrf_delay_ms(100);
}
i=i+15;
if(i == 32767){
i = 10;
}
}
}*/
/*void timer_event_handler( void* p_context)
{
function();
if(off == 1)
sd_power_system_off();
}*/
/*void Timers_init(void){
uint32_t err_code;
err_code = app_timer_init();
APP_ERROR_CHECK(err_code);
// Create timers.
err_code = app_timer_create(&TIMER_2m,
APP_TIMER_MODE_REPEATED,
timer_event_handler);
APP_ERROR_CHECK(err_code);
}*/
static void timers_start(void)
{
uint32_t err_code;
err_code = app_timer_start(TIMER_2m, Time_INTERVAL, NULL);
APP_ERROR_CHECK(err_code);
}
/**@brief Application main function.
*/
int main(void)
{
uint32_t err_code;
// Initialize.
log_init();
lfclk_config(); //Configure low frequency 32kHz clock
timers_init();
//Timers_init();
//uart_init();
power_management_init();
ble_stack_init();
gap_params_init();
gatt_init();
services_init();
advertising_init();
conn_params_init();
nrf_gpio_cfg_output(LED0);
nrf_gpio_cfg_output(LED1);
nrf_gpio_cfg_output(LED2);
err_code = twi_init();
APP_ERROR_CHECK(err_code);
// Start execution.
advertising_start();
//uint32_t err_code = NRF_LOG_INIT(NULL);
APP_ERROR_CHECK(err_code);
NRF_LOG_DEFAULT_BACKENDS_INIT();
ret_code_t ret_code = nrf_pwr_mgmt_init();
APP_ERROR_CHECK(ret_code);
spi_con();
saadc_init();
err_code = sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE);
APP_ERROR_CHECK(err_code);
err_code = sd_power_mode_set(NRF_POWER_MODE_LOWPWR);
APP_ERROR_CHECK(err_code);
nrf_delay_ms(1000);
//timers_start();
// Enter main loop.
for (;;)
{
err_code = sd_power_dcdc_mode_set(NRF_POWER_DCDC_ENABLE);
APP_ERROR_CHECK(err_code);
idle_state_handle();
if(CONNECTED == 1)
{
if(strcmp((const char *)bleRecData,(const char *)"UV")==0)
{
nrf_gpio_pin_toggle(LED1);
nrf_delay_ms(50);
for(int i=0; i<20; i++)
{
bleRecData[i]= '\0';
}
}
if(strcmp((const char *)bleRecData,(const char *)"IR")==0)
{
nrf_gpio_pin_toggle(LED2);
nrf_delay_ms(50);
for(int i=0; i<20; i++)
{
bleRecData[i]= '\0';
}
}
/* if(strcmp((const char *)bleRecData,(const char *)"R")==0)
{
nrf_gpio_pin_toggle(LED3);
nrf_delay_ms(50);
for(int i=0; i<20; i++)
{
bleRecData[i]= '\0';
}
}
if(strcmp((const char *)bleRecData,(const char *)"G")==0)
{
nrf_gpio_pin_toggle(LED4);
nrf_delay_ms(50);
for(int i=0; i<20; i++)
{
bleRecData[i]= '\0';
}
}
if(strcmp((const char *)bleRecData,(const char *)"B")==0)
{
nrf_gpio_pin_toggle(LED5);
nrf_delay_ms(50);
for(int i=0; i<20; i++)
{
bleRecData[i]= '\0';
}
}*/
}
else {
nrf_gpio_pin_clear(LED1);
nrf_gpio_pin_clear(LED2);
//nrf_gpio_pin_clear(LED3);
//nrf_gpio_pin_clear(LED4);
// nrf_gpio_pin_clear(LED5);
}
}
}
/**
* @}
*/
But this is what error im getting.
Please suggest.
