hi,
i tring to initialize spi. i am facing an error.please find the attached file.
Regards,
jagadeesh
/**
* Copyright (c) 2014 - 2019, Nordic Semiconductor ASA
*
* All rights reserved.
*
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* 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.
*
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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 <stdio.h>
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include <stddef.h>
#include <ctype.h>
#include <math.h>
#include "nordic_common.h"
#include "nrf.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_clock.h"
#include "nrf_drv_power.h"
#include "app_error.h"
#include "app_util.h"
#include "boards.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_delay.h"
#include "nrf.h"
#include "nrf_drv_timer.h"
#include "bsp.h"
#include "nrf_wdt.h"
#include "sdk_common.h"
#include "nrf_drv_spi.h"
#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */
#define DEVICE_NAME "Nordic_UART" /**< 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 32 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 40 ms). */
#define APP_ADV_DURATION 18000 /**< 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 0 /**< 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 BLE_UART_LIMIT 240 // size of UART sub packet
#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 TX_POWER_LEVEL 8
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}
};
uint8_t DATA_PACKECT[82];
uint8_t data_array[512];
uint16_t uartIndex = 0;
uint16_t uartSubIdx;
uint8_t SLAVE_ID[9] ="SLAVE_ID:";
uint8_t NAME1[12] ="FUEL_HEIGHT:";
uint8_t NAME2[16] ="BATTERY_VOLTAGE:";
uint8_t NAME3[12] ="TEMPERATURE:";
uint8_t SPACE[2] = " ";
uint8_t NEW_LINE[2] = "\r\n";
uint8_t UID[4];
uint8_t buffer[8];
uint8_t buffer1[7];
uint8_t buffer2[5];
uint8_t buffer3[5];
uint8_t FUEL_HEIGHT[4];
uint8_t BAT_VOLTAGE[4];
uint8_t TEMPERATURE[4];
float F_HEIGHT;
float B_VOLTAGE;
float TEMP;
uint32_t num;
uint32_t num1;
uint32_t num2;
union ui32_to_ui8 {
uint32_t ui32;
uint8_t ui8[4];
}u;
#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. */
/**@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 initializing the timer module.
*/
static void timers_init(void)
{
ret_code_t err_code = app_timer_init();
APP_ERROR_CHECK(err_code);
}
/**@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] */
static void nus_data_handler(ble_nus_evt_t * p_evt)
{
if (p_evt->type == BLE_NUS_EVT_RX_DATA)
{
uint32_t err_code;
uint32_t i;
uint32_t DATA_LENGTH;
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);
NRF_UART_TASK_STARTTX;
nrf_gpio_pin_set(TX_D);
// nrf_gpio_cfg_output(TX_D);
/* if(p_evt->params.rx_data.p_data[0]=='0' || p_evt->params.rx_data.p_data[0]=='1' || p_evt->params.rx_data.p_data[0]=='4'
|| p_evt->params.rx_data.p_data[0]=='5' || p_evt->params.rx_data.p_data[0]=='B' ||p_evt->params.rx_data.p_data[0]=='7'
|| p_evt->params.rx_data.p_data[0]=='F'|| p_evt->params.rx_data.p_data[0]=='6'|| p_evt->params.rx_data.p_data[0]==' ')
{*/
for ( i = 0; i < p_evt->params.rx_data.length; i++)
{
do
{
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);
// inc++;
}
/*}
else {
printf("\r\nCOMMAND DATA MISMATCHED \r\n");
inc = 0;
}
if(inc ==14)
{
printf("\r\nCOMMAND RECIEVED\r\n");
ble_nus_data_send(&m_nus, &txdata[ii], &len, m_conn_handle);
inc=0;
}
*/
}
}
/**@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");
nrf_gpio_pin_set(PAIR_LED);
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:
NRF_LOG_INFO("Disconnected");
nrf_gpio_pin_clear(PAIR_LED);
// 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;
}
}
/**@brief Function for handling app_uart events.
*
* @details This function will receive a single character from the app_uart module and append it to
* a string. The string will be be sent over BLE when the last character received was a
* 'new line' '\n' (hex 0x0A) or if the string has reached the maximum data length.
*/
/**@snippet [Handling the data received over UART] */
#if 0
void uart_event_handle(app_uart_evt_t * p_event)
{
static uint8_t data_array[BLE_NUS_MAX_DATA_LEN];
static uint8_t index = 0;
uint32_t err_code;
switch (p_event->evt_type)
{
case APP_UART_DATA_READY:
// if(rs485_communication2 == 0)
// {
nrf_gpio_pin_clear(TX_D);
UNUSED_VARIABLE(app_uart_get(&data_array[index]));
index++;
//rs485_communication2 = 1;
// }
/* if ((data_array[index - 1] == '\n') ||
(data_array[index - 1] == '\r') ||
(index >= m_ble_nus_max_data_len))
{*/
// if(rs485_communication2 == 1)
// {
// if (index > 0)
// {
NRF_LOG_DEBUG("Ready to send data over BLE NUS");
NRF_LOG_HEXDUMP_DEBUG(data_array, index);
do
{
uint16_t length = (uint16_t)index;
err_code = ble_nus_data_send(&m_nus, data_array, &length, m_conn_handle);
if ((err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != NRF_ERROR_RESOURCES) &&
(err_code != NRF_ERROR_NOT_FOUND))
{
APP_ERROR_CHECK(err_code);
}
} while (err_code == NRF_ERROR_RESOURCES);
index = 0;
// }
// rs485_communication2 = 0;
// }
// nrf_gpio_pin_clear(TX_D);
// }
break;
case APP_UART_COMMUNICATION_ERROR:
APP_ERROR_HANDLER(p_event->data.error_communication);
break;
case APP_UART_FIFO_ERROR:
APP_ERROR_HANDLER(p_event->data.error_code);
break;
case APP_UART_TX_EMPTY:
nrf_gpio_pin_clear(TX_D);
NRF_UART_TASK_STOPTX;
break;
default:
break;
}
}
#endif
void uart_event_handle(app_uart_evt_t * p_event)
{
switch (p_event->evt_type)
{
case APP_UART_DATA_READY:
UNUSED_VARIABLE(app_uart_get(&data_array[uartIndex]));
uartIndex++;
break;
case APP_UART_COMMUNICATION_ERROR:
APP_ERROR_HANDLER(p_event->data.error_communication);
break;
case APP_UART_FIFO_ERROR:
APP_ERROR_HANDLER(p_event->data.error_code);
break;
case APP_UART_TX_EMPTY:
nrf_gpio_pin_clear(TX_D);
NRF_UART_TASK_STOPTX;
break;
default:
break;
}
}
/**@snippet [Handling the data received over UART] */
/**@brief Function for initializing the UART module.
*/
/**@snippet [UART Initialization] */
static void uart_init(void)
{
uint32_t err_code;
app_uart_comm_params_t const comm_params =
{
.rx_pin_no = RX_PIN_NUMBER,
.tx_pin_no = TX_PIN_NUMBER,
.rts_pin_no = RTS_PIN_NUMBER,
.cts_pin_no = CTS_PIN_NUMBER,
.flow_control = APP_UART_FLOW_CONTROL_DISABLED,
.use_parity = false,
#if defined (UART_PRESENT)
.baud_rate = NRF_UARTE_BAUDRATE_9600
#else
.baud_rate = NRF_UARTE_BAUDRATE_115200
#endif
};
APP_UART_FIFO_INIT(&comm_params,
UART_RX_BUF_SIZE,
UART_TX_BUF_SIZE,
uart_event_handle,
APP_IRQ_PRIORITY_LOWEST,
err_code);
APP_ERROR_CHECK(err_code);
}
/**@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_LIMITED_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)
{
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);
}
static void tx_power_set(void)
{
ret_code_t err_code = sd_ble_gap_tx_power_set(BLE_GAP_TX_POWER_ROLE_ADV, m_advertising.adv_handle, TX_POWER_LEVEL);
APP_ERROR_CHECK(err_code);
}
void Delay(uint16_t count)
{
uint16_t ii,jj;
for(ii=0;ii<count;ii++)
for(jj=0;jj<10000;jj++);
}
void reverse(char *str, int len)
{
int i=0, j=len-1, temp;
while (i<j)
{
temp = str[i];
str[i] = str[j];
str[j] = temp;
i++; j--;
}
}
int intToStr(int x, char str[], int d)
{
int i = 0;
while (x)
{
str[i++] = (x%10) + '0';
x = x/10;
}
// If number of digits required is more, then
// add 0s at the beginning
while (i < d)
str[i++] = '0';
reverse(str, i);
str[i] = '\0';
return i;
}
void ftoa(float n, char *res, int afterpoint)
{
// Extract integer part
int ipart = (int)n;
// Extract floating part
float fpart = n - (float)ipart;
// convert integer part to string
int i = intToStr(ipart, res, 0);
// check for display option after point
if (afterpoint != 0)
{
res[i] = '.'; // add dot
// Get the value of fraction part upto given no.
// of points after dot. The third parameter is needed
// to handle cases like 233.007
fpart = fpart * pow(10, afterpoint);
intToStr((int)fpart, res + i + 1, afterpoint);
}
}
/**@brief Application main function.
*/
void wdt_init(void)
{
NRF_WDT->CONFIG = (WDT_CONFIG_HALT_Pause << WDT_CONFIG_HALT_Pos) | ( WDT_CONFIG_SLEEP_Run << WDT_CONFIG_SLEEP_Pos);
NRF_WDT->CRV = 9*32768;
NRF_WDT->RREN |= WDT_RREN_RR0_Msk;
NRF_WDT-> RR [0] = 0x6E524635UL;
NRF_WDT->TASKS_START = 1;
}
void spi_init(void)
{
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.sck_pin = SPI_SCK_PIN;
APP_ERROR_CHECK(nrf_drv_spi_init(&spi, &spi_config,NULL, NULL));
}
/*void temp_spi(void)
{
float adcv_volt_f;
long temp = 0;
uint8_t ti;
switch(adc_sts_flag)
{
case 1:
cs_low;
adc_sts_flag = 2;
break;
case 2:
if(MISO_high)
{
adc_sts_flag = 3;
}
break;
case 3:
if(MISO_low)
{
adc.byte_cnt[3] = 0;
adc.byte_cnt[2] = SPI_Tran_sieve(0);
adc.byte_cnt[1] = SPI_Tran_sieve(0);
adc.byte_cnt[0] = SPI_Tran_sieve(0);
adc_sts_flag = 4;
cs_high;
}
break;
case 4:
ti = (mav_sample_indx-1)&(MAV_SAMPLE_WINDOW_MASK);
temp = mav_samples[ti]-adc.full_cnt;
mav_samples[mav_sample_indx] = adc.full_cnt;
if(mav_sample_indx>=MAV_SAMPLE_WINDOW_MASK)mav_sample_ready = true;
mav_sample_indx = (mav_sample_indx+1)&(MAV_SAMPLE_WINDOW_MASK);
if(mav_sample_ready==false)break;
//avg samples
temp = 0;
for(uint8_t i=0;i<MAV_SAMPLE_WINDOW_SIZE;i++)
{
temp = (unsigned long)(temp + mav_samples[i]);
}
temp/= MAV_SAMPLE_WINDOW_SIZE;
adcv_volt_f = ((6800*(float)temp/(2097152-temp))-100)/0.385;//calculate
//unit conversion
eMBRegHoldingCB(&temp_buf[0], UNIT_ADD, 1, MB_REG_READ);
switch(temp_buf[1])
{
case 'F':
adcv_volt_f = (adcv_volt_f * 1.8) + 32;
break;
case 'K':
adcv_volt_f = adcv_volt_f + 273;
break;
case 'C':
default:
break;
}
//avg
mav_temperature[mav_temperature_indx] = adcv_volt_f * read_float(CALIB_VALUE_ADD);//calibrate
if(mav_temperature_indx>=MAV_TEMPER_WINDOW_MASK)mav_temperature_ready = true;
mav_temperature_indx = (mav_temperature_indx+1)&(MAV_TEMPER_WINDOW_MASK);
if(mav_temperature_ready==false)break;
//avg temperature
adcv_volt_f = 0;
for(uint8_t i=0;i<MAV_TEMPER_WINDOW_SIZE;i++)
{
adcv_volt_f += mav_temperature[i];
}
adcv_volt_f = adcv_volt_f/MAV_TEMPER_WINDOW_SIZE;
process_resolution(adcv_volt_f);
adc_sts_flag = 0xFF;
adc_read_tim_out_cnt = 0;
break;
default:
adc_sts_flag = 1;
break;
}*/
int main(void)
{
u.ui32 = NRF_FICR->DEVICEID[0];
itoa(u.ui32,buffer,16);
uint8_t PIN_SENSE1[1],PIN_SENSE2[1];
uint16_t value1,value2,value3,value4,value5,value6,value7,value8,value9,value10,value11,value12;
uint16_t dlen,dlen1,dlen2,dlen3,dlen4,dlen5,dlen6,dlen7,dlen8,dlen9;
uint8_t CMD0;
uint8_t CMD1[8];
uint8_t CMD2[8];
uint8_t CMD3[8];
uint16_t len=1;
uint16_t lenn=9;
uint16_t leng=12;
uint16_t lengg=16;
uint16_t lengt=5;
uint16_t le=2;
unsigned char DUMMY_BYTE[5] = "0x00";
CMD0 = strtol(DUMMY_BYTE, NULL, 16);
unsigned char FUEL0[5] = "0x28";
unsigned char FUEL1[5] = "0x03";
unsigned char FUEL2[5] = "0x07";
unsigned char FUEL3[5] = "0xD3";
unsigned char FUEL4[5] = "0x00";
unsigned char FUEL5[5] = "0x02";
unsigned char FUEL6[5] = "0x33";
unsigned char FUEL7[5] = "0x7F";
unsigned char BAT0[5] = "0x28";
unsigned char BAT1[5] = "0x03";
unsigned char BAT2[5] = "0x07";
unsigned char BAT3[5] = "0xD7";
unsigned char BAT4[5] = "0x00";
unsigned char BAT5[5] = "0x02";
unsigned char BAT6[5] = "0x72";
unsigned char BAT7[5] = "0xBE";
unsigned char TEMP0[5] = "0x0F";
unsigned char TEMP1[5] = "0x03";
unsigned char TEMP2[5] = "0x08";
unsigned char TEMP3[5] = "0x03";
unsigned char TEMP4[5] = "0x00";
unsigned char TEMP5[5] = "0x02";
unsigned char TEMP6[5] = "0x37";
unsigned char TEMP7[5] = "0x45";
CMD1[0] = strtol(FUEL0, NULL, 16);
CMD1[1] = strtol(FUEL1, NULL, 16);
CMD1[2] = strtol(FUEL2, NULL, 16);
CMD1[3] = strtol(FUEL3, NULL, 16);
CMD1[4] = strtol(FUEL4, NULL, 16);
CMD1[5] = strtol(FUEL5, NULL, 16);
CMD1[6] = strtol(FUEL6, NULL, 16);
CMD1[7] = strtol(FUEL7, NULL, 16);
CMD2[0] = strtol(BAT0, NULL, 16);
CMD2[1] = strtol(BAT1, NULL, 16);
CMD2[2] = strtol(BAT2, NULL, 16);
CMD2[3] = strtol(BAT3, NULL, 16);
CMD2[4] = strtol(BAT4, NULL, 16);
CMD2[5] = strtol(BAT5, NULL, 16);
CMD2[6] = strtol(BAT6, NULL, 16);
CMD2[7] = strtol(BAT7, NULL, 16);
CMD3[0] = strtol(TEMP0, NULL, 16);
CMD3[1] = strtol(TEMP1, NULL, 16);
CMD3[2] = strtol(TEMP2, NULL, 16);
CMD3[3] = strtol(TEMP3, NULL, 16);
CMD3[4] = strtol(TEMP4, NULL, 16);
CMD3[5] = strtol(TEMP5, NULL, 16);
CMD3[6] = strtol(TEMP6, NULL, 16);
CMD3[7] = strtol(TEMP7, NULL, 16);
nrf_gpio_cfg_output(TX_D);
nrf_gpio_cfg_output(PAIR_LED);
nrf_gpio_cfg_output(GPIO_1);
nrf_gpio_pin_clear(GPIO_1);
nrf_gpio_cfg_output(GPIO_2);
nrf_gpio_pin_clear(GPIO_2);
nrf_gpio_cfg_sense_input(IN1,NRF_GPIO_PIN_PULLUP, NRF_GPIO_PIN_SENSE_HIGH);
nrf_gpio_cfg_sense_input(IN2,NRF_GPIO_PIN_PULLUP, NRF_GPIO_PIN_SENSE_HIGH);
bool erase_bonds;
ret_code_t err_code;
uint16_t length;
// Initialize.
uart_init();
log_init();
timers_init();
buttons_leds_init(&erase_bonds);
power_management_init();
ble_stack_init();
gap_params_init();
gatt_init();
services_init();
advertising_init();
conn_params_init();
wdt_init();
// Start execution.
// printf("\r\nUART started.\r\n");
NRF_LOG_INFO("Debug logging for UART over RTT started.");
advertising_start();
tx_power_set();
for (;;) {
idle_state_handle();
nrf_gpio_pin_clear(GPIO_1);
nrf_gpio_pin_clear(GPIO_2);
NRF_WDT->RR[0] = WDT_RR_RR_Reload;
nrf_gpio_pin_set(TX_D);
for(int jj=0;jj<6;jj++)
{
for(int ii=0;ii<8;ii++)
{app_uart_put(CMD0);}
}
nrf_delay_ms(1000);
nrf_gpio_pin_set(TX_D);
for(int ii=0;ii<8;ii++)
{app_uart_put(CMD1[ii]);}
nrf_delay_ms(2000);
nrf_gpio_pin_set(TX_D);
for(int ii=0;ii<8;ii++)
{app_uart_put(CMD2[ii]);}
nrf_delay_ms(2000);
nrf_gpio_pin_set(TX_D);
for(int ii=0;ii<8;ii++)
{app_uart_put(CMD3[ii]);}
nrf_delay_ms(2000);
FUEL_HEIGHT[0] = data_array[4];
FUEL_HEIGHT[1] = data_array[3];
FUEL_HEIGHT[2] = data_array[6];
FUEL_HEIGHT[3] = data_array[5];
BAT_VOLTAGE[0] = data_array[13];
BAT_VOLTAGE[1] = data_array[12];
BAT_VOLTAGE[2] = data_array[15];
BAT_VOLTAGE[3] = data_array[14];
TEMPERATURE[0] = data_array[22];
TEMPERATURE[1] = data_array[21];
TEMPERATURE[2] = data_array[24];
TEMPERATURE[3] = data_array[23];
num = ((FUEL_HEIGHT[0] << 24)|(FUEL_HEIGHT[1] << 16)|(FUEL_HEIGHT[2] << 8)|(FUEL_HEIGHT[3]));
F_HEIGHT = *((float*)&num);
num1 = ((BAT_VOLTAGE[0] << 24)|(BAT_VOLTAGE[1] << 16)|(BAT_VOLTAGE[2] << 8)|(BAT_VOLTAGE[3]));
B_VOLTAGE = *((float*)&num1);
num2 = ((TEMPERATURE[0] << 24)|(TEMPERATURE[1] << 16)|(TEMPERATURE[2] << 8)|(TEMPERATURE[3]));
TEMP = *((float*)&num2);
ftoa(F_HEIGHT, buffer1, 6);
ftoa(B_VOLTAGE, buffer2, 2);
ftoa(TEMP, buffer3, 3);
/*ble_nus_data_send(&m_nus, &SLAVE_ID[0], &lenn, m_conn_handle);
ble_nus_data_send(&m_nus, &buffer[0], &len, m_conn_handle);
ble_nus_data_send(&m_nus, &SPACE[0], &le, m_conn_handle);
ble_nus_data_send(&m_nus, &NAME1[0], &leng, m_conn_handle);
ble_nus_data_send(&m_nus, &buffer1[0], &lengt, m_conn_handle);
ble_nus_data_send(&m_nus, &SPACE[0], &le, m_conn_handle);
ble_nus_data_send(&m_nus, &NAME2[0], &lengg, m_conn_handle);
ble_nus_data_send(&m_nus, &buffer2[0], &lengt, m_conn_handle);
ble_nus_data_send(&m_nus, &SPACE[0], &le, m_conn_handle);
ble_nus_data_send(&m_nus, &NAME3[0], &leng, m_conn_handle);
ble_nus_data_send(&m_nus, &buffer3[0], &lengt, m_conn_handle);
ble_nus_data_send(&m_nus, &NEW_LINE[0], &le, m_conn_handle);*/
value1 = sizeof(SLAVE_ID);
value2 = sizeof(buffer);
value3 = sizeof(SPACE);
value4 = sizeof(NAME1);
value5 = sizeof(buffer1);
value6 = sizeof(SPACE);
value7 = sizeof(NAME2);
value8 = sizeof(buffer2);
value9 = sizeof(SPACE);
value10 = sizeof(NAME3);
value11 = sizeof(buffer3);
value12 = sizeof(NEW_LINE);
dlen = value1+value2;
dlen1 = dlen+value3;
dlen2 = dlen1+value4;
dlen3 = dlen2+value5;
dlen4 = dlen3+value6;
dlen5 = dlen4+value7;
dlen6 = dlen5+value8;
dlen7 = dlen6+value9;
dlen8 = dlen7+value10;
dlen9 = dlen8+value11;
//dlen10 = dlen9+value12;
for(int ii=0;ii < value1; ii++)
{DATA_PACKECT[ii] = SLAVE_ID[ii];}
for(int ii=0;ii < value2; ii++)
{DATA_PACKECT[(value1 + ii)] = buffer[ii];}
for(int ii=0;ii < value3; ii++)
{DATA_PACKECT[(dlen + ii)] = SPACE[ii];}
for(int ii=0;ii < value4; ii++)
{DATA_PACKECT[(dlen1 + ii)] = NAME1[ii];}
for(int ii=0;ii < value5; ii++)
{DATA_PACKECT[(dlen2 + ii)] = buffer1[ii];}
for(int ii=0;ii < value6; ii++)
{DATA_PACKECT[(dlen3 + ii)] = SPACE[ii];}
for(int ii=0;ii < value7; ii++)
{DATA_PACKECT[(dlen4 + ii)] = NAME2[ii];}
for(int ii=0;ii < value8; ii++)
{DATA_PACKECT[(dlen5 + ii)] = buffer2[ii];}
for(int ii=0;ii < value9; ii++)
{DATA_PACKECT[(dlen6 + ii)] = SPACE[ii];}
for(int ii=0;ii < value10; ii++)
{DATA_PACKECT[(dlen7 + ii)] = NAME3[ii];}
for(int ii=0;ii < value11; ii++)
{DATA_PACKECT[(dlen8 + ii)] = buffer3[ii];}
for(int ii=0;ii < value12; ii++)
{DATA_PACKECT[(dlen9 + ii)] = NEW_LINE[ii];}
length = sizeof(DATA_PACKECT);
ble_nus_data_send(&m_nus, &DATA_PACKECT[0], &length, m_conn_handle);
if(nrf_gpio_pin_read(IN1) == 1)
{PIN_SENSE1[0]='1';}
else
{PIN_SENSE1[0]='0';}
ble_nus_data_send(&m_nus, &PIN_SENSE1[0],&len, m_conn_handle);
if(nrf_gpio_pin_read(IN2) == 1)
{PIN_SENSE2[0]='1';}
else
{PIN_SENSE2[0]='0';}
ble_nus_data_send(&m_nus, &PIN_SENSE2[0], &len, m_conn_handle);
/* if(uartIndex != 0) {
// Delay(130); // delay to capture all byte about 1K
Delay(100);
// NRF_LOG_DEBUG("Ready to send data over BLE NUS");
// NRF_LOG_HEXDUMP_DEBUG(data_array, uartIndex);
uartSubIdx =0;
do {
do {
if(uartIndex < BLE_UART_LIMIT) length = (uint16_t)uartIndex;
else length = BLE_UART_LIMIT;
err_code = ble_nus_data_send(&m_nus, &data_array[uartSubIdx], &length, m_conn_handle);
if ((err_code != NRF_ERROR_INVALID_STATE) &&
(err_code != NRF_ERROR_RESOURCES) &&
(err_code != NRF_ERROR_NOT_FOUND)) {
APP_ERROR_CHECK(err_code);
}
} while (err_code == NRF_ERROR_RESOURCES);
if(uartIndex < BLE_UART_LIMIT) uartIndex = 0;
else {
uartIndex = uartIndex - BLE_UART_LIMIT;
uartSubIdx = uartSubIdx + BLE_UART_LIMIT;
}
} while (uartIndex > 0);
}
uartIndex = 0;*/
}
}
/**
* @}
*/
