13 changed files with 791 additions and 987 deletions
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6.vscode/settings.json
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15README.md
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134app/app.uvoptx
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18app/app.uvprojx
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68app/main.c
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68app/src/zble_module.c
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20app/src/zble_module.h
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584app/src/zble_service copy.c
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27app/src/zble_service.h
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249app/src/zdatachannel_service.c
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95app/src/zdatachannel_service.h
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2libznordic
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#pragma once |
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#include <stdint.h> |
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|
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/** |
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* @brief |
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*/ |
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|
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typedef void (*on_service_init_t)(void); |
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|
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typedef struct { |
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const char* deviceName; |
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on_service_init_t on_service_init; |
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} zble_module_cfg_t; |
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|
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void zble_module_init(zble_module_cfg_t* cfg); |
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|
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void zble_module_start_adv(); |
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void zble_module_stop_adv(); |
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|
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void zble_module_is_connected(); |
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@ -1,584 +0,0 @@ |
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|
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#include <stdint.h> |
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#include <string.h> |
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|
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#include "app_timer.h" |
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#include "app_uart.h" |
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#include "app_util_platform.h" |
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#include "ble_advdata.h" |
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#include "ble_advertising.h" |
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#include "ble_conn_params.h" |
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#include "ble_hci.h" |
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#include "ble_nus.h" |
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#include "bsp_btn_ble.h" |
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#include "nordic_common.h" |
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#include "nrf.h" |
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#include "nrf_ble_gatt.h" |
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#include "nrf_ble_qwr.h" |
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#include "nrf_pwr_mgmt.h" |
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#include "nrf_sdh.h" |
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#include "nrf_sdh_ble.h" |
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#include "nrf_sdh_soc.h" |
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|
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#if defined(UART_PRESENT) |
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#include "nrf_uart.h" |
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#endif |
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#if defined(UARTE_PRESENT) |
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#include "nrf_uarte.h" |
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#endif |
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|
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#include "nrf_log.h" |
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#include "nrf_log_ctrl.h" |
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#include "nrf_log_default_backends.h" |
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|
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#define APP_BLE_CONN_CFG_TAG 1 /**< A tag identifying the SoftDevice BLE configuration. */ |
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|
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#define DEVICE_NAME "Nordic_UART" /**< Name of device. Will be included in the advertising data. */ |
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#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */ |
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|
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#define APP_BLE_OBSERVER_PRIO 3 /**< Application's BLE observer priority. You shouldn't need to modify this value. */ |
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|
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#define APP_ADV_INTERVAL 64 /**< The advertising interval (in units of 0.625 ms. This value corresponds to 40 ms). */ |
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|
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#define APP_ADV_DURATION 18000 /**< The advertising duration (180 seconds) in units of 10 milliseconds. */ |
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|
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#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. */ |
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#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. */ |
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#define SLAVE_LATENCY 0 /**< Slave latency. */ |
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#define CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) /**< Connection supervisory timeout (4 seconds), Supervision Timeout uses 10 ms units. */ |
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#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). */ |
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#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). */ |
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#define MAX_CONN_PARAMS_UPDATE_COUNT 3 /**< Number of attempts before giving up the connection parameter negotiation. */ |
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|
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#define DEAD_BEEF 0xDEADBEEF /**< Value used as error code on stack dump, can be used to identify stack location on stack unwind. */ |
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#define UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */ |
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#define UART_RX_BUF_SIZE 256 /**< UART RX buffer size. */ |
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BLE_NUS_DEF(m_nus, NRF_SDH_BLE_TOTAL_LINK_COUNT); /**< BLE NUS service instance. */ |
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NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ |
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NRF_BLE_QWR_DEF(m_qwr); /**< Context for the Queued Write module.*/ |
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BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */ |
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|
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static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< Handle of the current connection. */ |
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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. */ |
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static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifier. */ |
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{{BLE_UUID_NUS_SERVICE, NUS_SERVICE_UUID_TYPE}}; |
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|
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/**@brief Function for assert macro callback. |
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* |
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* @details This function will be called in case of an assert in the SoftDevice. |
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* |
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* @warning This handler is an example only and does not fit a final product. You need to analyse |
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* how your product is supposed to react in case of Assert. |
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* @warning On assert from the SoftDevice, the system can only recover on reset. |
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* |
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* @param[in] line_num Line number of the failing ASSERT call. |
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* @param[in] p_file_name File name of the failing ASSERT call. |
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*/ |
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void assert_nrf_callback(uint16_t line_num, const uint8_t *p_file_name) { app_error_handler(DEAD_BEEF, line_num, p_file_name); } |
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|
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/**@brief Function for initializing the timer module. |
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*/ |
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static void timers_init(void) { |
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ret_code_t err_code = app_timer_init(); |
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APP_ERROR_CHECK(err_code); |
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} |
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|
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/**@brief Function for the GAP initialization. |
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* |
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* @details This function will set up all the necessary GAP (Generic Access Profile) parameters of |
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* the device. It also sets the permissions and appearance. |
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*/ |
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static void gap_params_init(void) { |
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uint32_t err_code; |
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ble_gap_conn_params_t gap_conn_params; |
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ble_gap_conn_sec_mode_t sec_mode; |
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BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode); |
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err_code = sd_ble_gap_device_name_set(&sec_mode, (const uint8_t *)DEVICE_NAME, strlen(DEVICE_NAME)); |
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APP_ERROR_CHECK(err_code); |
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memset(&gap_conn_params, 0, sizeof(gap_conn_params)); |
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gap_conn_params.min_conn_interval = MIN_CONN_INTERVAL; |
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gap_conn_params.max_conn_interval = MAX_CONN_INTERVAL; |
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gap_conn_params.slave_latency = SLAVE_LATENCY; |
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gap_conn_params.conn_sup_timeout = CONN_SUP_TIMEOUT; |
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err_code = sd_ble_gap_ppcp_set(&gap_conn_params); |
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APP_ERROR_CHECK(err_code); |
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} |
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|
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/**@brief Function for handling Queued Write Module errors. |
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* |
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* @details A pointer to this function will be passed to each service which may need to inform the |
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* application about an error. |
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* |
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* @param[in] nrf_error Error code containing information about what went wrong. |
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*/ |
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static void nrf_qwr_error_handler(uint32_t nrf_error) { APP_ERROR_HANDLER(nrf_error); } |
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|
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/**@brief Function for handling the data from the Nordic UART Service. |
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* |
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* @details This function will process the data received from the Nordic UART BLE Service and send |
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* it to the UART module. |
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* |
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* @param[in] p_evt Nordic UART Service event. |
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*/ |
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/**@snippet [Handling the data received over BLE] */ |
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static void nus_data_handler(ble_nus_evt_t *p_evt) { |
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if (p_evt->type == BLE_NUS_EVT_RX_DATA) { |
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uint32_t err_code; |
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|
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NRF_LOG_DEBUG("Received data from BLE NUS. Writing data on UART."); |
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NRF_LOG_HEXDUMP_DEBUG(p_evt->params.rx_data.p_data, p_evt->params.rx_data.length); |
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for (uint32_t i = 0; i < p_evt->params.rx_data.length; i++) { |
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do { |
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err_code = app_uart_put(p_evt->params.rx_data.p_data[i]); |
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if ((err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_BUSY)) { |
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NRF_LOG_ERROR("Failed receiving NUS message. Error 0x%x. ", err_code); |
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APP_ERROR_CHECK(err_code); |
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} |
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} while (err_code == NRF_ERROR_BUSY); |
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} |
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if (p_evt->params.rx_data.p_data[p_evt->params.rx_data.length - 1] == '\r') { |
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while (app_uart_put('\n') == NRF_ERROR_BUSY) |
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; |
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} |
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} |
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} |
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/**@snippet [Handling the data received over BLE] */ |
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|
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/**@brief Function for initializing services that will be used by the application. |
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*/ |
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static void services_init(void) { |
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uint32_t err_code; |
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ble_nus_init_t nus_init; |
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nrf_ble_qwr_init_t qwr_init = {0}; |
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// Initialize Queued Write Module. |
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qwr_init.error_handler = nrf_qwr_error_handler; |
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err_code = nrf_ble_qwr_init(&m_qwr, &qwr_init); |
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APP_ERROR_CHECK(err_code); |
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// Initialize NUS. |
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memset(&nus_init, 0, sizeof(nus_init)); |
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nus_init.data_handler = nus_data_handler; |
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err_code = ble_nus_init(&m_nus, &nus_init); |
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APP_ERROR_CHECK(err_code); |
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} |
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|
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/**@brief Function for handling an event from the Connection Parameters Module. |
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* |
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* @details This function will be called for all events in the Connection Parameters Module |
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* which are passed to the application. |
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* |
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* @note All this function does is to disconnect. This could have been done by simply setting |
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* the disconnect_on_fail config parameter, but instead we use the event handler |
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* mechanism to demonstrate its use. |
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* |
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* @param[in] p_evt Event received from the Connection Parameters Module. |
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*/ |
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static void on_conn_params_evt(ble_conn_params_evt_t *p_evt) { |
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uint32_t err_code; |
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if (p_evt->evt_type == BLE_CONN_PARAMS_EVT_FAILED) { |
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err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_CONN_INTERVAL_UNACCEPTABLE); |
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APP_ERROR_CHECK(err_code); |
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} |
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} |
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|
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/**@brief Function for handling errors from the Connection Parameters module. |
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* |
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* @param[in] nrf_error Error code containing information about what went wrong. |
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*/ |
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static void conn_params_error_handler(uint32_t nrf_error) { APP_ERROR_HANDLER(nrf_error); } |
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|
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/**@brief Function for initializing the Connection Parameters module. |
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*/ |
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static void conn_params_init(void) { |
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uint32_t err_code; |
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ble_conn_params_init_t cp_init; |
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memset(&cp_init, 0, sizeof(cp_init)); |
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cp_init.p_conn_params = NULL; |
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cp_init.first_conn_params_update_delay = FIRST_CONN_PARAMS_UPDATE_DELAY; |
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cp_init.next_conn_params_update_delay = NEXT_CONN_PARAMS_UPDATE_DELAY; |
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cp_init.max_conn_params_update_count = MAX_CONN_PARAMS_UPDATE_COUNT; |
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cp_init.start_on_notify_cccd_handle = BLE_GATT_HANDLE_INVALID; |
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cp_init.disconnect_on_fail = false; |
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cp_init.evt_handler = on_conn_params_evt; |
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cp_init.error_handler = conn_params_error_handler; |
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err_code = ble_conn_params_init(&cp_init); |
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APP_ERROR_CHECK(err_code); |
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} |
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|
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/**@brief Function for putting the chip into sleep mode. |
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* |
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* @note This function will not return. |
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*/ |
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static void sleep_mode_enter(void) { |
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uint32_t err_code = bsp_indication_set(BSP_INDICATE_IDLE); |
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APP_ERROR_CHECK(err_code); |
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|
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// Prepare wakeup buttons. |
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err_code = bsp_btn_ble_sleep_mode_prepare(); |
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APP_ERROR_CHECK(err_code); |
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// Go to system-off mode (this function will not return; wakeup will cause a reset). |
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err_code = sd_power_system_off(); |
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APP_ERROR_CHECK(err_code); |
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} |
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|
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/**@brief Function for handling advertising events. |
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* |
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* @details This function will be called for advertising events which are passed to the application. |
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* |
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* @param[in] ble_adv_evt Advertising event. |
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*/ |
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static void on_adv_evt(ble_adv_evt_t ble_adv_evt) { |
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uint32_t err_code; |
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switch (ble_adv_evt) { |
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case BLE_ADV_EVT_FAST: |
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err_code = bsp_indication_set(BSP_INDICATE_ADVERTISING); |
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APP_ERROR_CHECK(err_code); |
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break; |
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case BLE_ADV_EVT_IDLE: |
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sleep_mode_enter(); |
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break; |
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default: |
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break; |
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} |
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} |
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|
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/**@brief Function for handling BLE events. |
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* |
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* @param[in] p_ble_evt Bluetooth stack event. |
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* @param[in] p_context Unused. |
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*/ |
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static void ble_evt_handler(ble_evt_t const *p_ble_evt, void *p_context) { |
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uint32_t err_code; |
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switch (p_ble_evt->header.evt_id) { |
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case BLE_GAP_EVT_CONNECTED: |
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NRF_LOG_INFO("Connected"); |
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err_code = bsp_indication_set(BSP_INDICATE_CONNECTED); |
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APP_ERROR_CHECK(err_code); |
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m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle; |
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err_code = nrf_ble_qwr_conn_handle_assign(&m_qwr, m_conn_handle); |
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APP_ERROR_CHECK(err_code); |
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break; |
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|
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case BLE_GAP_EVT_DISCONNECTED: |
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NRF_LOG_INFO("Disconnected"); |
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// LED indication will be changed when advertising starts. |
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m_conn_handle = BLE_CONN_HANDLE_INVALID; |
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break; |
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|
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case BLE_GAP_EVT_PHY_UPDATE_REQUEST: { |
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NRF_LOG_DEBUG("PHY update request."); |
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ble_gap_phys_t const phys = { |
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.rx_phys = BLE_GAP_PHY_AUTO, |
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.tx_phys = BLE_GAP_PHY_AUTO, |
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}; |
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err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys); |
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APP_ERROR_CHECK(err_code); |
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} break; |
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|
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case BLE_GAP_EVT_SEC_PARAMS_REQUEST: |
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// Pairing not supported |
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err_code = sd_ble_gap_sec_params_reply(m_conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL); |
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APP_ERROR_CHECK(err_code); |
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break; |
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|
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case BLE_GATTS_EVT_SYS_ATTR_MISSING: |
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// No system attributes have been stored. |
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err_code = sd_ble_gatts_sys_attr_set(m_conn_handle, NULL, 0, 0); |
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APP_ERROR_CHECK(err_code); |
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break; |
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|
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case BLE_GATTC_EVT_TIMEOUT: |
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// Disconnect on GATT Client timeout event. |
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err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); |
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APP_ERROR_CHECK(err_code); |
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break; |
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|
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case BLE_GATTS_EVT_TIMEOUT: |
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// Disconnect on GATT Server timeout event. |
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err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); |
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APP_ERROR_CHECK(err_code); |
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break; |
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default: |
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// No implementation needed. |
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break; |
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} |
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} |
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|
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/**@brief Function for the SoftDevice initialization. |
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* |
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* @details This function initializes the SoftDevice and the BLE event interrupt. |
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*/ |
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static void ble_stack_init(void) { |
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ret_code_t err_code; |
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err_code = nrf_sdh_enable_request(); |
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APP_ERROR_CHECK(err_code); |
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|
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// Configure the BLE stack using the default settings. |
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// Fetch the start address of the application RAM. |
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uint32_t ram_start = 0; |
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err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start); |
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APP_ERROR_CHECK(err_code); |
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|
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// Enable BLE stack. |
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err_code = nrf_sdh_ble_enable(&ram_start); |
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APP_ERROR_CHECK(err_code); |
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|
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// Register a handler for BLE events. |
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NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL); |
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} |
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|
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/**@brief Function for handling events from the GATT library. */ |
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void gatt_evt_handler(nrf_ble_gatt_t *p_gatt, nrf_ble_gatt_evt_t const *p_evt) { |
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if ((m_conn_handle == p_evt->conn_handle) && (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED)) { |
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m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH; |
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NRF_LOG_INFO("Data len is set to 0x%X(%d)", m_ble_nus_max_data_len, m_ble_nus_max_data_len); |
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} |
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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); |
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} |
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|
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/**@brief Function for initializing the GATT library. */ |
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void gatt_init(void) { |
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ret_code_t err_code; |
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err_code = nrf_ble_gatt_init(&m_gatt, gatt_evt_handler); |
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APP_ERROR_CHECK(err_code); |
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err_code = nrf_ble_gatt_att_mtu_periph_set(&m_gatt, NRF_SDH_BLE_GATT_MAX_MTU_SIZE); |
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APP_ERROR_CHECK(err_code); |
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} |
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|
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/**@brief Function for handling events from the BSP module. |
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* |
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* @param[in] event Event generated by button press. |
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*/ |
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void bsp_event_handler(bsp_event_t event) { |
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uint32_t err_code; |
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switch (event) { |
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case BSP_EVENT_SLEEP: |
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sleep_mode_enter(); |
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break; |
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|
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case BSP_EVENT_DISCONNECT: |
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err_code = sd_ble_gap_disconnect(m_conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); |
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if (err_code != NRF_ERROR_INVALID_STATE) { |
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APP_ERROR_CHECK(err_code); |
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} |
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break; |
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|
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case BSP_EVENT_WHITELIST_OFF: |
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if (m_conn_handle == BLE_CONN_HANDLE_INVALID) { |
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err_code = ble_advertising_restart_without_whitelist(&m_advertising); |
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if (err_code != NRF_ERROR_INVALID_STATE) { |
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APP_ERROR_CHECK(err_code); |
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} |
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} |
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break; |
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|
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default: |
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break; |
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} |
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} |
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|
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/**@brief Function for handling app_uart events. |
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* |
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* @details This function will receive a single character from the app_uart module and append it to |
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* a string. The string will be be sent over BLE when the last character received was a |
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* 'new line' '\n' (hex 0x0A) or if the string has reached the maximum data length. |
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*/ |
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/**@snippet [Handling the data received over UART] */ |
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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: |
|||
UNUSED_VARIABLE(app_uart_get(&data_array[index])); |
|||
index++; |
|||
|
|||
if ((data_array[index - 1] == '\n') || (data_array[index - 1] == '\r') || (index >= m_ble_nus_max_data_len)) { |
|||
if (index > 1) { |
|||
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; |
|||
} |
|||
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; |
|||
|
|||
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_UART_BAUDRATE_115200 |
|||
#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); |
|||
} |
|||
|
|||
/**@brief Application main function. |
|||
*/ |
|||
int main(void) { |
|||
bool erase_bonds; |
|||
// // 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(); |
|||
|
|||
// Start execution. |
|||
printf("\r\nUART started.\r\n"); |
|||
NRF_LOG_INFO("Debug logging for UART over RTT started."); |
|||
advertising_start(); |
|||
|
|||
// Enter main loop. |
|||
for (;;) { |
|||
idle_state_handle(); |
|||
} |
|||
} |
|||
|
|||
/** |
|||
* @} |
|||
*/ |
|||
@ -1,27 +0,0 @@ |
|||
#pragma once |
|||
#include <stdint.h> |
|||
|
|||
typedef struct { |
|||
uint8_t mark; // 占位 |
|||
// const char *service_uuid; // 服务UUID |
|||
// const char *cmd_tx_uuid; // |
|||
// const char *cmd_rx_uuid; |
|||
// const char *special_tx_uuid; |
|||
|
|||
const char* deviceName; |
|||
|
|||
} zble_service_cfg_t; |
|||
|
|||
typedef enum { |
|||
konconnect, |
|||
kdisconnect, |
|||
} event_t; |
|||
|
|||
typedef void (*zble_service_cmd_rx_cb_t)(uint8_t* data, uint32_t len); |
|||
|
|||
void zble_service_init(zble_service_cfg_t* cfg); |
|||
void zble_service_send_by_cmd_channel(uint8_t* data, uint32_t len); |
|||
void zble_service_send_by_record_channel(uint8_t* data, uint32_t len); |
|||
|
|||
void zble_service_start_adv(); |
|||
void zble_service_stop_adv(); |
|||
@ -0,0 +1,249 @@ |
|||
#include "zdatachannel_service.h" |
|||
|
|||
#include "ble.h" |
|||
#include "ble_srv_common.h" |
|||
#include "nrf_log.h" |
|||
#include "sdk_common.h" |
|||
|
|||
#define BLE_UUID_NUS_TX_CHARACTERISTIC 0x0003 /**< The UUID of the TX Characteristic. */ |
|||
#define BLE_UUID_NUS_RX_CHARACTERISTIC 0x0002 /**< The UUID of the RX Characteristic. */ |
|||
|
|||
#define ZDATACANNEL_MAX_RX_CHAR_LEN ZDATACANNEL_MAX_DATA_LEN /**< Maximum length of the RX Characteristic (in bytes). */ |
|||
#define ZDATACANNEL_MAX_TX_CHAR_LEN ZDATACANNEL_MAX_DATA_LEN /**< Maximum length of the TX Characteristic (in bytes). */ |
|||
|
|||
#define NUS_BASE_UUID \ |
|||
{ \ |
|||
{ 0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x00, 0x00, 0x40, 0x6E } \ |
|||
} /**< Used vendor specific UUID. */ |
|||
|
|||
/**@brief Function for handling the @ref BLE_GAP_EVT_CONNECTED event from the SoftDevice. |
|||
* |
|||
* @param[in] p_nus Nordic UART Service structure. |
|||
* @param[in] p_ble_evt Pointer to the event received from BLE stack. |
|||
*/ |
|||
static void on_connect(zdatachannel_t *p_nus, ble_evt_t const *p_ble_evt) { |
|||
ret_code_t err_code; |
|||
zdatachannel_evt_t evt; |
|||
ble_gatts_value_t gatts_val; |
|||
uint8_t cccd_value[2]; |
|||
zdatachannel_client_context_t *p_client = NULL; |
|||
|
|||
err_code = blcm_link_ctx_get(p_nus->p_link_ctx_storage, p_ble_evt->evt.gap_evt.conn_handle, (void *)&p_client); |
|||
if (err_code != NRF_SUCCESS) { |
|||
NRF_LOG_ERROR("Link context for 0x%02X connection handle could not be fetched.", p_ble_evt->evt.gap_evt.conn_handle); |
|||
} |
|||
|
|||
/* Check the hosts CCCD value to inform of readiness to send data using the RX characteristic */ |
|||
memset(&gatts_val, 0, sizeof(ble_gatts_value_t)); |
|||
gatts_val.p_value = cccd_value; |
|||
gatts_val.len = sizeof(cccd_value); |
|||
gatts_val.offset = 0; |
|||
|
|||
err_code = sd_ble_gatts_value_get(p_ble_evt->evt.gap_evt.conn_handle, p_nus->tx_handles.cccd_handle, &gatts_val); |
|||
|
|||
if ((err_code == NRF_SUCCESS) && (p_nus->data_handler != NULL) && ble_srv_is_notification_enabled(gatts_val.p_value)) { |
|||
if (p_client != NULL) { |
|||
p_client->is_notification_enabled = true; |
|||
} |
|||
|
|||
memset(&evt, 0, sizeof(zdatachannel_evt_t)); |
|||
evt.type = ZDATACANNEL_EVT_COMM_STARTED; |
|||
evt.p_nus = p_nus; |
|||
evt.conn_handle = p_ble_evt->evt.gap_evt.conn_handle; |
|||
evt.p_link_ctx = p_client; |
|||
|
|||
p_nus->data_handler(&evt); |
|||
} |
|||
} |
|||
|
|||
/**@brief Function for handling the @ref BLE_GATTS_EVT_WRITE event from the SoftDevice. |
|||
* |
|||
* @param[in] p_nus Nordic UART Service structure. |
|||
* @param[in] p_ble_evt Pointer to the event received from BLE stack. |
|||
*/ |
|||
static void on_write(zdatachannel_t *p_nus, ble_evt_t const *p_ble_evt) { |
|||
ret_code_t err_code; |
|||
zdatachannel_evt_t evt; |
|||
zdatachannel_client_context_t *p_client; |
|||
ble_gatts_evt_write_t const *p_evt_write = &p_ble_evt->evt.gatts_evt.params.write; |
|||
|
|||
err_code = blcm_link_ctx_get(p_nus->p_link_ctx_storage, p_ble_evt->evt.gatts_evt.conn_handle, (void *)&p_client); |
|||
if (err_code != NRF_SUCCESS) { |
|||
NRF_LOG_ERROR("Link context for 0x%02X connection handle could not be fetched.", p_ble_evt->evt.gatts_evt.conn_handle); |
|||
} |
|||
|
|||
memset(&evt, 0, sizeof(zdatachannel_evt_t)); |
|||
evt.p_nus = p_nus; |
|||
evt.conn_handle = p_ble_evt->evt.gatts_evt.conn_handle; |
|||
evt.p_link_ctx = p_client; |
|||
|
|||
if ((p_evt_write->handle == p_nus->tx_handles.cccd_handle) && (p_evt_write->len == 2)) { |
|||
if (p_client != NULL) { |
|||
if (ble_srv_is_notification_enabled(p_evt_write->data)) { |
|||
p_client->is_notification_enabled = true; |
|||
evt.type = ZDATACANNEL_EVT_COMM_STARTED; |
|||
} else { |
|||
p_client->is_notification_enabled = false; |
|||
evt.type = ZDATACANNEL_EVT_COMM_STOPPED; |
|||
} |
|||
|
|||
if (p_nus->data_handler != NULL) { |
|||
p_nus->data_handler(&evt); |
|||
} |
|||
} |
|||
} else if ((p_evt_write->handle == p_nus->rx_handles.value_handle) && (p_nus->data_handler != NULL)) { |
|||
evt.type = ZDATACANNEL_EVT_RX_DATA; |
|||
evt.params.rx_data.p_data = p_evt_write->data; |
|||
evt.params.rx_data.length = p_evt_write->len; |
|||
|
|||
p_nus->data_handler(&evt); |
|||
} else { |
|||
// Do Nothing. This event is not relevant for this service. |
|||
} |
|||
} |
|||
|
|||
/**@brief Function for handling the @ref BLE_GATTS_EVT_HVN_TX_COMPLETE event from the SoftDevice. |
|||
* |
|||
* @param[in] p_nus Nordic UART Service structure. |
|||
* @param[in] p_ble_evt Pointer to the event received from BLE stack. |
|||
*/ |
|||
static void on_hvx_tx_complete(zdatachannel_t *p_nus, ble_evt_t const *p_ble_evt) { |
|||
ret_code_t err_code; |
|||
zdatachannel_evt_t evt; |
|||
zdatachannel_client_context_t *p_client; |
|||
|
|||
err_code = blcm_link_ctx_get(p_nus->p_link_ctx_storage, p_ble_evt->evt.gatts_evt.conn_handle, (void *)&p_client); |
|||
if (err_code != NRF_SUCCESS) { |
|||
NRF_LOG_ERROR("Link context for 0x%02X connection handle could not be fetched.", p_ble_evt->evt.gatts_evt.conn_handle); |
|||
return; |
|||
} |
|||
|
|||
if ((p_client->is_notification_enabled) && (p_nus->data_handler != NULL)) { |
|||
memset(&evt, 0, sizeof(zdatachannel_evt_t)); |
|||
evt.type = ZDATACANNEL_EVT_TX_RDY; |
|||
evt.p_nus = p_nus; |
|||
evt.conn_handle = p_ble_evt->evt.gatts_evt.conn_handle; |
|||
evt.p_link_ctx = p_client; |
|||
|
|||
p_nus->data_handler(&evt); |
|||
} |
|||
} |
|||
|
|||
void zdatachannel_on_ble_evt(ble_evt_t const *p_ble_evt, void *p_context) { |
|||
if ((p_context == NULL) || (p_ble_evt == NULL)) { |
|||
return; |
|||
} |
|||
|
|||
zdatachannel_t *p_nus = (zdatachannel_t *)p_context; |
|||
|
|||
switch (p_ble_evt->header.evt_id) { |
|||
case BLE_GAP_EVT_CONNECTED: |
|||
on_connect(p_nus, p_ble_evt); |
|||
break; |
|||
|
|||
case BLE_GATTS_EVT_WRITE: |
|||
on_write(p_nus, p_ble_evt); |
|||
break; |
|||
|
|||
case BLE_GATTS_EVT_HVN_TX_COMPLETE: |
|||
on_hvx_tx_complete(p_nus, p_ble_evt); |
|||
break; |
|||
|
|||
default: |
|||
// No implementation needed. |
|||
break; |
|||
} |
|||
} |
|||
|
|||
uint32_t zdatachannel_init(zdatachannel_t *p_nus, zdatachannel_init_t const *p_nus_init) { |
|||
ret_code_t err_code; |
|||
ble_uuid_t ble_uuid; |
|||
ble_uuid128_t nus_base_uuid = NUS_BASE_UUID; |
|||
ble_add_char_params_t add_char_params; |
|||
|
|||
VERIFY_PARAM_NOT_NULL(p_nus); |
|||
VERIFY_PARAM_NOT_NULL(p_nus_init); |
|||
|
|||
// Initialize the service structure. |
|||
p_nus->data_handler = p_nus_init->data_handler; |
|||
|
|||
/**@snippet [Adding proprietary Service to the SoftDevice] */ |
|||
// Add a custom base UUID. |
|||
err_code = sd_ble_uuid_vs_add(&nus_base_uuid, &p_nus->uuid_type); |
|||
VERIFY_SUCCESS(err_code); |
|||
|
|||
ble_uuid.type = p_nus->uuid_type; |
|||
ble_uuid.uuid = BLE_UUID_NUS_SERVICE; |
|||
|
|||
// Add the service. |
|||
err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &ble_uuid, &p_nus->service_handle); |
|||
/**@snippet [Adding proprietary Service to the SoftDevice] */ |
|||
VERIFY_SUCCESS(err_code); |
|||
|
|||
// Add the RX Characteristic. |
|||
memset(&add_char_params, 0, sizeof(add_char_params)); |
|||
add_char_params.uuid = BLE_UUID_NUS_RX_CHARACTERISTIC; |
|||
add_char_params.uuid_type = p_nus->uuid_type; |
|||
add_char_params.max_len = ZDATACANNEL_MAX_RX_CHAR_LEN; |
|||
add_char_params.init_len = sizeof(uint8_t); |
|||
add_char_params.is_var_len = true; |
|||
add_char_params.char_props.write = 1; |
|||
add_char_params.char_props.write_wo_resp = 1; |
|||
|
|||
add_char_params.read_access = SEC_OPEN; |
|||
add_char_params.write_access = SEC_OPEN; |
|||
|
|||
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &p_nus->rx_handles); |
|||
if (err_code != NRF_SUCCESS) { |
|||
return err_code; |
|||
} |
|||
|
|||
// Add the TX Characteristic. |
|||
/**@snippet [Adding proprietary characteristic to the SoftDevice] */ |
|||
memset(&add_char_params, 0, sizeof(add_char_params)); |
|||
add_char_params.uuid = BLE_UUID_NUS_TX_CHARACTERISTIC; |
|||
add_char_params.uuid_type = p_nus->uuid_type; |
|||
add_char_params.max_len = ZDATACANNEL_MAX_TX_CHAR_LEN; |
|||
add_char_params.init_len = sizeof(uint8_t); |
|||
add_char_params.is_var_len = true; |
|||
add_char_params.char_props.notify = 1; |
|||
|
|||
add_char_params.read_access = SEC_OPEN; |
|||
add_char_params.write_access = SEC_OPEN; |
|||
add_char_params.cccd_write_access = SEC_OPEN; |
|||
|
|||
return characteristic_add(p_nus->service_handle, &add_char_params, &p_nus->tx_handles); |
|||
/**@snippet [Adding proprietary characteristic to the SoftDevice] */ |
|||
} |
|||
|
|||
uint32_t zdatachannel_data_send(zdatachannel_t *p_nus, uint8_t *p_data, uint16_t *p_length, uint16_t conn_handle) { |
|||
ret_code_t err_code; |
|||
ble_gatts_hvx_params_t hvx_params; |
|||
zdatachannel_client_context_t *p_client; |
|||
|
|||
VERIFY_PARAM_NOT_NULL(p_nus); |
|||
|
|||
err_code = blcm_link_ctx_get(p_nus->p_link_ctx_storage, conn_handle, (void *)&p_client); |
|||
VERIFY_SUCCESS(err_code); |
|||
|
|||
if ((conn_handle == BLE_CONN_HANDLE_INVALID) || (p_client == NULL)) { |
|||
return NRF_ERROR_NOT_FOUND; |
|||
} |
|||
|
|||
if (!p_client->is_notification_enabled) { |
|||
return NRF_ERROR_INVALID_STATE; |
|||
} |
|||
|
|||
if (*p_length > ZDATACANNEL_MAX_DATA_LEN) { |
|||
return NRF_ERROR_INVALID_PARAM; |
|||
} |
|||
|
|||
memset(&hvx_params, 0, sizeof(hvx_params)); |
|||
|
|||
hvx_params.handle = p_nus->tx_handles.value_handle; |
|||
hvx_params.p_data = p_data; |
|||
hvx_params.p_len = p_length; |
|||
hvx_params.type = BLE_GATT_HVX_NOTIFICATION; |
|||
|
|||
return sd_ble_gatts_hvx(conn_handle, &hvx_params); |
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} |
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@ -0,0 +1,95 @@ |
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#ifndef ZDATACANNEL_H__ |
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#define ZDATACANNEL_H__ |
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|
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#include <stdbool.h> |
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#include <stdint.h> |
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|
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#include "ble.h" |
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#include "ble_link_ctx_manager.h" |
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#include "ble_srv_common.h" |
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#include "nrf_sdh_ble.h" |
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#include "sdk_config.h" |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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/**@brief Macro for defining a ble_nus instance. |
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* |
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* @param _name Name of the instance. |
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* @param[in] _nus_max_clients Maximum number of NUS clients connected at a time. |
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* @hideinitializer |
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*/ |
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#define ZDATACANNEL_DEF(_name, _ble_observer_prio,_nus_max_clients) \ |
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BLE_LINK_CTX_MANAGER_DEF(CONCAT_2(_name, _link_ctx_storage), (_nus_max_clients), sizeof(zdatachannel_client_context_t)); \ |
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static zdatachannel_t _name = {.p_link_ctx_storage = &CONCAT_2(_name, _link_ctx_storage)}; \ |
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NRF_SDH_BLE_OBSERVER(_name##_obs, _ble_observer_prio, zdatachannel_on_ble_evt, &_name) |
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|
|||
#define BLE_UUID_NUS_SERVICE 0x0001 /**< The UUID of the Nordic UART Service. */ |
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|
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#define OPCODE_LENGTH 1 |
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#define HANDLE_LENGTH 2 |
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|
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/**@brief Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */ |
|||
#if defined(NRF_SDH_BLE_GATT_MAX_MTU_SIZE) && (NRF_SDH_BLE_GATT_MAX_MTU_SIZE != 0) |
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#define ZDATACANNEL_MAX_DATA_LEN (NRF_SDH_BLE_GATT_MAX_MTU_SIZE - OPCODE_LENGTH - HANDLE_LENGTH) |
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#else |
|||
#define ZDATACANNEL_MAX_DATA_LEN (BLE_GATT_MTU_SIZE_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH) |
|||
#warning NRF_SDH_BLE_GATT_MAX_MTU_SIZE is not defined. |
|||
#endif |
|||
|
|||
/**@brief Nordic UART Service event types. */ |
|||
typedef enum { |
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ZDATACANNEL_EVT_RX_DATA, /**< Data received. */ |
|||
ZDATACANNEL_EVT_TX_RDY, /**< Service is ready to accept new data to be transmitted. */ |
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ZDATACANNEL_EVT_COMM_STARTED, /**< Notification has been enabled. */ |
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ZDATACANNEL_EVT_COMM_STOPPED, /**< Notification has been disabled. */ |
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} zdatachannel_evt_type_t; |
|||
|
|||
typedef struct zdatachannel_s zdatachannel_t; |
|||
|
|||
typedef struct { |
|||
uint8_t const* p_data; /**< A pointer to the buffer with received data. */ |
|||
uint16_t length; /**< Length of received data. */ |
|||
} zdatachannel_evt_rx_data_t; |
|||
|
|||
typedef struct { |
|||
bool is_notification_enabled; /**< Variable to indicate if the peer has enabled notification of the RX characteristic.*/ |
|||
} zdatachannel_client_context_t; |
|||
|
|||
typedef struct { |
|||
zdatachannel_evt_type_t type; /**< Event type. */ |
|||
zdatachannel_t* p_nus; /**< A pointer to the instance. */ |
|||
uint16_t conn_handle; /**< Connection handle. */ |
|||
zdatachannel_client_context_t* p_link_ctx; /**< A pointer to the link context. */ |
|||
union { |
|||
zdatachannel_evt_rx_data_t rx_data; /**< @ref ZDATACANNEL_EVT_RX_DATA event data. */ |
|||
} params; |
|||
} zdatachannel_evt_t; |
|||
|
|||
typedef void (*zdatachannel_data_handler_t)(zdatachannel_evt_t* p_evt); |
|||
|
|||
typedef struct { |
|||
zdatachannel_data_handler_t data_handler; /**< Event handler to be called for handling received data. */ |
|||
} zdatachannel_init_t; |
|||
|
|||
struct zdatachannel_s { |
|||
uint8_t uuid_type; /**< UUID type for Nordic UART Service Base UUID. */ |
|||
uint16_t service_handle; /**< Handle of Nordic UART Service (as provided by the SoftDevice). */ |
|||
ble_gatts_char_handles_t tx_handles; /**< Handles related to the TX characteristic (as provided by the SoftDevice). */ |
|||
ble_gatts_char_handles_t rx_handles; /**< Handles related to the RX characteristic (as provided by the SoftDevice). */ |
|||
blcm_link_ctx_storage_t* const p_link_ctx_storage; /**< Pointer to link context storage with handles of all current connections and its context. */ |
|||
zdatachannel_data_handler_t data_handler; /**< Event handler to be called for handling received data. */ |
|||
}; |
|||
|
|||
uint32_t zdatachannel_init(zdatachannel_t* p_nus, zdatachannel_init_t const* p_nus_init); |
|||
void zdatachannel_on_ble_evt(ble_evt_t const* p_ble_evt, void* p_context); |
|||
uint32_t zdatachannel_data_send(zdatachannel_t* p_nus, uint8_t* p_data, uint16_t* p_length, uint16_t conn_handle); |
|||
|
|||
#ifdef __cplusplus |
|||
} |
|||
#endif |
|||
|
|||
#endif // ZDATACANNEL_H__ |
|||
|
|||
/** @} */ |
|||
@ -1 +1 @@ |
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Subproject commit 3678551881438d95c91c36b2f2277219084e2a05 |
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Subproject commit 5c809e793ce8fc2f764a68f1eade7e59f39b1259 |
|||
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