/** * 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. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ /** @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 #include #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 #include "ble_nus.h" #include "app_util_platform.h" #include "nrf_gpio.h" #include "nrf_pwr_mgmt.h" #include "nrf_libuarte_async.h" #include "app_simple_timer.h" #include "nrf_log.h" #include "nrf_log_ctrl.h" #include "nrf_log_default_backends.h" #ifndef NRF_LOG_LEVEL #define NRF_LOG_LEVEL 4 #endif #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 64 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 40 ms). */ // #define APP_ADV_DURATION BLE_GAP_ADV_TIMEOUT_GENERAL_UNLIMITED /**< The advertising duration (180 seconds) in units of 10 milliseconds. */ #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 DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ #define RX_SIZE 128 #define TX_SIZE 155 #define GPIO_ERROR NRF_GPIO_PIN_MAP(0,28) #define GPIO_RX NRF_GPIO_PIN_MAP(0,29) typedef struct { uint8_t * const queue; // constant pointer to normal data - pointer can't be changed once initialized uint32_t tail; uint32_t length; const uint32_t maxsize; // constant maxsize - can't be changed once initialized } ringbuf_u8_t; #define RINGBUF_U8_DECLARE_INIT(__ringbuf_name__, __ringbuf_size__) \ static uint8_t __ringbuf_name__ ## _queue[__ringbuf_size__]; \ static ringbuf_u8_t __ringbuf_name__ = { \ .queue = __ringbuf_name__ ## _queue, \ .maxsize = __ringbuf_size__, \ .tail = 0, \ .length = 0}; void ringbuf_u8_push(ringbuf_u8_t * buf, uint8_t val); uint8_t ringbuf_u8_peek(ringbuf_u8_t * buf); uint8_t ringbuf_u8_peek_last(ringbuf_u8_t * buf); uint8_t ringbuf_u8_pop(ringbuf_u8_t * buf); uint32_t ringbuf_u8_space_available(ringbuf_u8_t * buf); uint32_t ringbuf_u8_get_length(ringbuf_u8_t * buf); NRF_LIBUARTE_ASYNC_DEFINE(libuarte, 0, 2, NRF_LIBUARTE_PERIPHERAL_NOT_USED, 3, RX_SIZE, 8); /** uses name: libuarte uart: UART0 timer0: TIMER2 rtc1: not used timer1: TIMER3 buffer size: 128 buffer number: 8 */ RINGBUF_U8_DECLARE_INIT(databuf, 4096); 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 TIMER_VALUE 1000 /**< 1 mseconds timer time-out value. - simple timer is set to 1Mhz */ #define PRINT_COUNT 100*1024 static uint8_t data[TX_SIZE]; static uint8_t last_received_byte = TX_SIZE-1; static uint32_t rx_count = 0, tx_count = 0; static uint32_t last_print_rx_count = 0, last_print_tx_count = 0; void uart_event_handler(void * context, nrf_libuarte_async_evt_t * p_evt) { nrf_libuarte_async_t * p_libuarte = (nrf_libuarte_async_t *)context; ret_code_t ret; uint8_t got_error = 0; switch (p_evt->type) { case NRF_LIBUARTE_ASYNC_EVT_ERROR: nrf_gpio_pin_toggle(GPIO_ERROR); NRF_LOG_ERROR("NRF_LIBUARTE_ASYNC_EVT_ERROR errorSrc %x", p_evt->data.errorsrc); NRF_LOG_FLUSH(); break; case NRF_LIBUARTE_ASYNC_EVT_RX_DATA: nrf_gpio_pin_toggle(GPIO_RX); NRF_LOG_INFO("Rx %d@x%x", p_evt->data.rxtx.length, p_evt->data.rxtx.p_data); for (uint32_t i = 0; i < p_evt->data.rxtx.length; i++) { ringbuf_u8_push(&databuf, p_evt->data.rxtx.p_data[i]); if (p_evt->data.rxtx.p_data[i] != ((last_received_byte+1)%TX_SIZE) ) { NRF_LOG_ERROR("at %d exp: x%02x, got x%02x", i, ((last_received_byte+1)%TX_SIZE), p_evt->data.rxtx.p_data[i]); got_error++; } last_received_byte = p_evt->data.rxtx.p_data[i]; } if (got_error > 0) { NRF_LOG_ERROR("Errors: %d -> when got %d @ x%X", got_error, p_evt->data.rxtx.length, p_evt->data.rxtx.p_data); } nrf_libuarte_async_rx_free(p_libuarte, p_evt->data.rxtx.p_data, p_evt->data.rxtx.length); rx_count += p_evt->data.rxtx.length; break; case NRF_LIBUARTE_ASYNC_EVT_TX_DONE: ret = nrf_libuarte_async_tx(&libuarte, data, TX_SIZE); APP_ERROR_CHECK(ret); tx_count += TX_SIZE; break; default: break; } } static void send_over_ble() { uint32_t ret = NRF_SUCCESS; uint16_t len = databuf.length; while (len > 0 && ret == NRF_SUCCESS) { // limit to max ble data payload if (len > 244) { len = 244; } // limit till the end of the buf if (len + databuf.tail > databuf.maxsize) { len = databuf.maxsize - databuf.tail; } ret = ble_nus_data_send(&m_nus, &databuf.queue[databuf.tail], &len, m_conn_handle); if (ret == NRF_SUCCESS || // 0: ok ret == NRF_ERROR_INVALID_STATE || // 5: notif disabled ret == NRF_ERROR_NOT_FOUND) { // 8: not connected databuf.tail = (databuf.tail + len) % databuf.maxsize; databuf.length -= len; // NRF_LOG_INFO("BLE Tx %d: x%x rem %d", len, ret, databuf.length); ret = NRF_SUCCESS; // if disconnected or notif disabled, go over it again until buf is empty basically } else if (ret != NRF_ERROR_RESOURCES) { NRF_LOG_ERROR("ble_nus_data_send ret x%x", ret); } len = databuf.length; } } static void gpio_init() { // bsp_board_init(BSP_INIT_LEDS); // bsp_board_leds_off(); nrf_gpio_cfg_output(GPIO_ERROR); nrf_gpio_cfg_output(GPIO_RX); nrf_gpio_pin_clear(GPIO_ERROR); nrf_gpio_pin_clear(GPIO_RX); } #include "nrf_delay.h" static void libuarte_init() { nrf_libuarte_async_config_t nrf_libuarte_async_config = { .tx_pin = TX_PIN_NUMBER, .rx_pin = RX_PIN_NUMBER, // .baudrate = NRF_UARTE_BAUDRATE_115200, // .baudrate = NRF_UARTE_BAUDRATE_230400, .baudrate = NRF_UARTE_BAUDRATE_460800, // .baudrate = NRF_UARTE_BAUDRATE_921600, // .baudrate = NRF_UARTE_BAUDRATE_1000000, .parity = NRF_UARTE_PARITY_EXCLUDED, .hwfc = NRF_UARTE_HWFC_DISABLED, .timeout_us = 500, .int_prio = APP_IRQ_PRIORITY_HIGH }; uint32_t err_code = nrf_libuarte_async_init(&libuarte, &nrf_libuarte_async_config, uart_event_handler, (void *)&libuarte); APP_ERROR_CHECK(err_code); nrf_libuarte_async_enable(&libuarte); nrf_delay_ms(1000); nrf_gpio_pin_set(GPIO_RX); for (uint32_t i = 0; ierr_code, e->p_file_name, e->line_num, id, pc); NRF_LOG_FLUSH(); NRF_LOG_FINAL_FLUSH(); app_error_save_and_stop(id, pc, info); // NVIC_SystemReset(); } /**@brief Function for initializing the timer module. */ static void timers_init(void) { uint32_t err_code = app_simple_timer_init(); APP_ERROR_CHECK(err_code); err_code = app_simple_timer_start(APP_SIMPLE_TIMER_MODE_REPEATED, timeout_handler, TIMER_VALUE, NULL); APP_ERROR_CHECK(err_code); 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; NRF_LOG_DEBUG("Received data from BLE NUS."); 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 // { // 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); // } } } /**@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"); // 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"); // 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 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 the nrf log module. */ static void log_init(void) { ret_code_t err_code = NRF_LOG_INIT(timestamp_get); 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 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); } /**@brief Application main function. */ int main(void) { bool erase_bonds; // Initialize. sd_clock_hfclk_request(); gpio_init(); log_init(); NRF_LOG_WARNING("Boot"); timers_init(); power_management_init(); ble_stack_init(); gap_params_init(); gatt_init(); services_init(); advertising_init(); conn_params_init(); // Start execution. // printf("\r\nUART started.\r\n"); NRF_LOG_INFO("Debug logging for UART over RTT started."); advertising_start(); libuarte_init(); uint32_t timestamp_rx = 0, timestamp_tx = 0; while (true) { if (tx_count >= last_print_tx_count + PRINT_COUNT) { NRF_LOG_INFO("Tx %dk bytes @ %dk/s, total %dk", PRINT_COUNT/1024, PRINT_COUNT / (timestamp - timestamp_tx), tx_count/1024); last_print_tx_count += PRINT_COUNT; timestamp_tx = timestamp; } if (rx_count >= last_print_rx_count + PRINT_COUNT) { NRF_LOG_INFO("Rx %dk bytes @ %dk/s, total %dk", PRINT_COUNT/1024, PRINT_COUNT / (timestamp - timestamp_rx), rx_count/1024); last_print_rx_count += PRINT_COUNT; timestamp_rx = timestamp; } send_over_ble(); NRF_LOG_FLUSH(); } } // helpers void ringbuf_u8_push(ringbuf_u8_t * buf, uint8_t val) { if (ringbuf_u8_space_available(buf) == 0) { uint8_t tmp = ringbuf_u8_pop(buf); // NRF_LOG_ERROR("buf full, popped x%02x, pushed x%02x\n", tmp, val); } uint32_t head = (buf->tail + buf->length) % buf->maxsize; buf->queue[head] = val; buf->length++; } uint8_t ringbuf_u8_peek(ringbuf_u8_t * buf) { return buf->queue[buf->tail]; } uint8_t ringbuf_u8_peek_last(ringbuf_u8_t * buf) { uint8_t head = (buf->tail + buf->length) % buf->maxsize; return buf->queue[head]; } uint8_t ringbuf_u8_pop(ringbuf_u8_t * buf) { if (buf->length == 0) { NRF_LOG_ERROR("ERROR: trying to pop a value out of empty buffer\n"); return 0; } uint8_t val = buf->queue[buf->tail]; buf->queue[buf->tail] = 0; buf->tail = (buf->tail + 1) % buf->maxsize; buf->length--; return val; } uint32_t ringbuf_u8_space_available(ringbuf_u8_t * buf) { return buf->maxsize - buf->length; } uint32_t ringbuf_u8_get_length(ringbuf_u8_t * buf) { return buf->length; } /** * @} */