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#include "zble_module.h"
#include <stdint.h>
#include <string.h>
#include "sys.h"
/*******************************************************************************
* 广播包配置 * *******************************************************************************/#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 NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */
static ble_uuid_t m_adv_uuids[] = /**< Universally unique service identifier. */ {{BLE_UUID_NUS_SERVICE, NUS_SERVICE_UUID_TYPE}};#define APP_ADV_INTERVAL 64 /**< 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. */
BLE_ADVERTISING_DEF(m_advertising); /**< Advertising module instance. */
/*******************************************************************************
* GATT配置 * *******************************************************************************/NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */
/*******************************************************************************
* 连接参数配置 * *******************************************************************************/#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. */
/*******************************************************************************
* CODE * *******************************************************************************/
static uint16_t m_conn_handle = BLE_CONN_HANDLE_INVALID; /**< 当前连接句柄 */static uint16_t m_mtu_size = BLE_GATT_ATT_MTU_DEFAULT - 3;
/**@brief Function for putting the chip into sleep mode.
* * @note This function will not return. */static void sleep_mode_enter(void) {#if 0
uint32_t err_code = bsp_indication_set(BSP_INDICATE_IDLE); ZERROR_CHECK(err_code);
// Prepare wakeup buttons.
err_code = bsp_btn_ble_sleep_mode_prepare(); ZERROR_CHECK(err_code);
// Go to system-off mode (this function will not return; wakeup will cause a reset).
err_code = sd_power_system_off(); ZERROR_CHECK(err_code);#endif
}
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"); m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle; break;
case BLE_GAP_EVT_DISCONNECTED: NRF_LOG_INFO("Disconnected"); 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); ZERROR_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); ZERROR_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); ZERROR_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); ZERROR_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); ZERROR_CHECK(err_code); break;
default: // No implementation needed.
break; }}static void gatt_evt_handler(nrf_ble_gatt_t* p_gatt, nrf_ble_gatt_evt_t const* p_evt) { /*******************************************************************************
* MTU SIZE 更新 * *******************************************************************************/ if ((m_conn_handle == p_evt->conn_handle) && (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED)) { m_mtu_size = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH; NRF_LOG_DEBUG("ATT MTU exchange completed. central %d peripheral %d", p_gatt->att_mtu_desired_central, p_gatt->att_mtu_desired_periph); }}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); ZERROR_CHECK(err_code); }}static void conn_params_error_handler(uint32_t nrf_error) { APP_ERROR_HANDLER(nrf_error); }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);
// ZERROR_CHECK(err_code);
break; case BLE_ADV_EVT_IDLE: // sleep_mode_enter();
break; default: break; }}
void zble_module_start_adv() { uint32_t err_code = ble_advertising_start(&m_advertising, BLE_ADV_MODE_FAST); ZERROR_CHECK(err_code);}void zble_module_stop_adv() { uint32_t err_code = sd_ble_gap_adv_stop(m_advertising.adv_handle); ZERROR_CHECK(err_code);}
/*******************************************************************************
* INIT * *******************************************************************************/void zble_module_init(zble_module_cfg_t* cfg) { /**
* @brief * 初始化蓝牙协议栈，并注册蓝牙事件处理函数，固定代码，勿修改 */ { NRF_SDH_BLE_OBSERVER(m_ble_observer, 3, ble_evt_handler, NULL); } /*******************************************************************************
* GAP初始化 * *******************************************************************************/ { 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*)cfg->deviceName, strlen(cfg->deviceName)); ZERROR_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); ZERROR_CHECK(err_code); }
/*******************************************************************************
* GATT 初始化 * *******************************************************************************/ { ret_code_t err_code;
err_code = nrf_ble_gatt_init(&m_gatt, gatt_evt_handler); ZERROR_CHECK(err_code);
err_code = nrf_ble_gatt_att_mtu_periph_set(&m_gatt, NRF_SDH_BLE_GATT_MAX_MTU_SIZE); ZERROR_CHECK(err_code); }
/*******************************************************************************
* 蓝牙服务初始化 * *******************************************************************************/ { if (cfg->on_service_init) cfg->on_service_init(); }
/*******************************************************************************
* 广播初始化 * *******************************************************************************/ { 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.advdata.flags = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;
init.srdata.uuids_complete.uuid_cnt = sizeof(m_adv_uuids) / sizeof(m_adv_uuids[0]); init.srdata.uuids_complete.p_uuids = m_adv_uuids;
init.config.ble_adv_fast_enabled = true; init.config.ble_adv_fast_interval = APP_ADV_INTERVAL; init.config.ble_adv_fast_timeout = 0; init.evt_handler = on_adv_evt;
err_code = ble_advertising_init(&m_advertising, &init); ZERROR_CHECK(err_code);
ble_advertising_conn_cfg_tag_set(&m_advertising, APP_BLE_CONN_CFG_TAG); } /*******************************************************************************
* 连接参数初始化 * *******************************************************************************/ { 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); ZERROR_CHECK(err_code); }
// zble_module_start_adv();
}
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