/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2016 Glenn Ruben Bakke * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #if BLUETOOTH_SD #include #include #include #if (BLUETOOTH_SD == 132) #define NRF52 // Needed for SD132 v2 #endif #include "py/runtime.h" #include "supervisor/shared/translate.h" #include "ble_drv.h" #include "mpconfigport.h" #include "nrf_sdm.h" #include "nrfx_power.h" #include "ble_gap.h" #include "ble.h" // sd_ble_uuid_encode #define BLE_DRIVER_VERBOSE 0 #if BLE_DRIVER_VERBOSE #define BLE_DRIVER_LOG printf #else #define BLE_DRIVER_LOG(...) #endif #define BLE_ADV_LENGTH_FIELD_SIZE 1 #define BLE_ADV_AD_TYPE_FIELD_SIZE 1 #define BLE_AD_TYPE_FLAGS_DATA_SIZE 1 #define MSEC_TO_UNITS(TIME, RESOLUTION) (((TIME) * 1000) / (RESOLUTION)) #define UNIT_0_625_MS (625) #define UNIT_10_MS (10000) #define APP_CFG_NON_CONN_ADV_TIMEOUT 0 // Disable timeout. #define NON_CONNECTABLE_ADV_INTERVAL MSEC_TO_UNITS(100, UNIT_0_625_MS) #define BLE_MIN_CONN_INTERVAL MSEC_TO_UNITS(12, UNIT_0_625_MS) #define BLE_MAX_CONN_INTERVAL MSEC_TO_UNITS(12, UNIT_0_625_MS) #define BLE_SLAVE_LATENCY 0 #define BLE_CONN_SUP_TIMEOUT MSEC_TO_UNITS(4000, UNIT_10_MS) #ifndef BLE_GAP_ADV_MAX_SIZE #define BLE_GAP_ADV_MAX_SIZE 31 #endif #define SD_TEST_OR_ENABLE() \ if (ble_drv_stack_enabled() == 0) { \ (void)ble_drv_stack_enable(); \ } static volatile bool m_adv_in_progress; static volatile bool m_tx_in_progress; static ble_drv_gap_evt_callback_t gap_event_handler; static ble_drv_gatts_evt_callback_t gatts_event_handler; static mp_obj_t mp_gap_observer; static mp_obj_t mp_gatts_observer; static volatile bool m_primary_service_found; static volatile bool m_characteristic_found; static volatile bool m_write_done; static volatile ble_drv_adv_evt_callback_t adv_event_handler; static volatile ble_drv_gattc_evt_callback_t gattc_event_handler; static volatile ble_drv_disc_add_service_callback_t disc_add_service_handler; static volatile ble_drv_disc_add_char_callback_t disc_add_char_handler; static volatile ble_drv_gattc_char_data_callback_t gattc_char_data_handle; static bleio_scanner_obj_t *mp_adv_observer; static mp_obj_t mp_gattc_observer; static mp_obj_t mp_gattc_disc_service_observer; static mp_obj_t mp_gattc_disc_char_observer; static bleio_characteristic_obj_t *mp_gattc_char_data_observer; #if (BLUETOOTH_SD == 140) static uint8_t m_adv_handle = BLE_GAP_ADV_SET_HANDLE_NOT_SET; static uint8_t m_scan_buffer_data[BLE_GAP_SCAN_BUFFER_MIN]; static ble_data_t m_scan_buffer = { m_scan_buffer_data, BLE_GAP_SCAN_BUFFER_MIN }; #endif #include "nrf_nvic.h" nrf_nvic_state_t nrf_nvic_state = {0}; void softdevice_assert_handler(uint32_t id, uint32_t pc, uint32_t info) { BLE_DRIVER_LOG("ERROR: SoftDevice assert!!!"); } uint32_t ble_drv_stack_enable(void) { m_adv_in_progress = false; m_tx_in_progress = false; #if BLUETOOTH_LFCLK_RC nrf_clock_lf_cfg_t clock_config = { .source = NRF_CLOCK_LF_SRC_RC, .rc_ctiv = 16, .rc_temp_ctiv = 2, #if (BLE_API_VERSION == 4) .accuracy = 0 #else .xtal_accuracy = 0 #endif }; #else nrf_clock_lf_cfg_t clock_config = { .source = NRF_CLOCK_LF_SRC_XTAL, .rc_ctiv = 0, .rc_temp_ctiv = 0, #if (BLE_API_VERSION == 4) .accuracy = NRF_CLOCK_LF_ACCURACY_20_PPM #else .xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_20_PPM #endif }; #endif #if (BLUETOOTH_SD == 140) // The SD takes over the POWER IRQ and will fail if the IRQ is already in use nrfx_power_uninit(); #endif uint32_t err_code = sd_softdevice_enable(&clock_config, softdevice_assert_handler); BLE_DRIVER_LOG("SoftDevice enable status: " UINT_FMT "\n", (uint16_t)err_code); err_code = sd_nvic_EnableIRQ(SWI2_EGU2_IRQn); BLE_DRIVER_LOG("IRQ enable status: " UINT_FMT "\n", (uint16_t)err_code); // Enable BLE stack. #if (BLE_API_VERSION == 2) ble_enable_params_t ble_enable_params; memset(&ble_enable_params, 0x00, sizeof(ble_enable_params)); ble_enable_params.gatts_enable_params.attr_tab_size = BLE_GATTS_ATTR_TAB_SIZE_DEFAULT; ble_enable_params.gatts_enable_params.service_changed = 0; ble_enable_params.gap_enable_params.periph_conn_count = 1; ble_enable_params.gap_enable_params.central_conn_count = 1; #endif #if (BLE_API_VERSION == 2) uint32_t app_ram_start = 0x200039c0; err_code = sd_ble_enable(&ble_enable_params, &app_ram_start); // 8K SD headroom from linker script. BLE_DRIVER_LOG("BLE ram size: " UINT_FMT "\n", (uint16_t)app_ram_start); #else uint32_t app_ram_start = 0x20004000; err_code = sd_ble_enable(&app_ram_start); BLE_DRIVER_LOG("BLE ram size: " UINT_FMT "\n", (uint16_t)app_ram_start); #endif BLE_DRIVER_LOG("BLE enable status: " UINT_FMT "\n", (uint16_t)err_code); // set up security mode 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); const char device_name[] = "micr"; if ((err_code = sd_ble_gap_device_name_set(&sec_mode, (const uint8_t *)device_name, strlen(device_name))) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Cannot apply GAP parameters."))); } // set connection parameters memset(&gap_conn_params, 0, sizeof(gap_conn_params)); gap_conn_params.min_conn_interval = BLE_MIN_CONN_INTERVAL; gap_conn_params.max_conn_interval = BLE_MAX_CONN_INTERVAL; gap_conn_params.slave_latency = BLE_SLAVE_LATENCY; gap_conn_params.conn_sup_timeout = BLE_CONN_SUP_TIMEOUT; if (sd_ble_gap_ppcp_set(&gap_conn_params) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Cannot set PPCP parameters."))); } return err_code; } void ble_drv_stack_disable(void) { sd_softdevice_disable(); } uint8_t ble_drv_stack_enabled(void) { uint8_t is_enabled; uint32_t err_code = sd_softdevice_is_enabled(&is_enabled); (void)err_code; BLE_DRIVER_LOG("Is enabled status: " UINT_FMT "\n", (uint16_t)err_code); return is_enabled; } void ble_drv_address_get(ble_drv_addr_t * p_addr) { SD_TEST_OR_ENABLE(); ble_gap_addr_t local_ble_addr; #if (BLE_API_VERSION == 2) uint32_t err_code = sd_ble_gap_address_get(&local_ble_addr); #else uint32_t err_code = sd_ble_gap_addr_get(&local_ble_addr); #endif if (err_code != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not query for the device address."))); } BLE_DRIVER_LOG("ble address, type: " HEX2_FMT ", " \ "address: " HEX2_FMT ":" HEX2_FMT ":" HEX2_FMT ":" \ HEX2_FMT ":" HEX2_FMT ":" HEX2_FMT "\n", \ local_ble_addr.addr_type, \ local_ble_addr.addr[5], local_ble_addr.addr[4], local_ble_addr.addr[3], \ local_ble_addr.addr[2], local_ble_addr.addr[1], local_ble_addr.addr[0]); p_addr->addr_type = local_ble_addr.addr_type; memcpy(p_addr->addr, local_ble_addr.addr, 6); } bool ble_drv_uuid_add_vs(uint8_t * p_uuid, uint8_t * idx) { SD_TEST_OR_ENABLE(); if (sd_ble_uuid_vs_add((ble_uuid128_t const *)p_uuid, idx) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not add Vendor Specific 128-bit UUID."))); } return true; } void ble_drv_service_add(bleio_service_obj_t *service) { SD_TEST_OR_ENABLE(); ble_uuid_t uuid = { .type = BLE_UUID_TYPE_BLE, .uuid = service->uuid->value[0] | (service->uuid->value[1] << 8) }; if (service->uuid->type == UUID_TYPE_128BIT) { uuid.type = service->uuid->uuid_vs_idx; } uint8_t service_type = BLE_GATTS_SRVC_TYPE_PRIMARY; if (service->is_secondary) { service_type = BLE_GATTS_SRVC_TYPE_SECONDARY; } if (sd_ble_gatts_service_add(service_type, &uuid, &service->handle) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not add Service."))); } } bool ble_drv_characteristic_add(bleio_characteristic_obj_t *characteristic) { ble_gatts_char_md_t char_md; ble_gatts_attr_md_t cccd_md; ble_gatts_attr_t attr_char_value; ble_uuid_t uuid; ble_gatts_attr_md_t attr_md; memset(&char_md, 0, sizeof(char_md)); char_md.char_props.broadcast = characteristic->props.broadcast; char_md.char_props.read = characteristic->props.read; char_md.char_props.write_wo_resp = characteristic->props.write_wo_resp; char_md.char_props.write = characteristic->props.write; char_md.char_props.notify = characteristic->props.notify; char_md.char_props.indicate = characteristic->props.indicate; char_md.p_char_user_desc = NULL; char_md.p_char_pf = NULL; char_md.p_user_desc_md = NULL; char_md.p_sccd_md = NULL; if (characteristic->props.notify || characteristic->props.notify) { memset(&cccd_md, 0, sizeof(cccd_md)); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm); cccd_md.vloc = BLE_GATTS_VLOC_STACK; char_md.p_cccd_md = &cccd_md; } else { char_md.p_cccd_md = NULL; } uuid.type = BLE_UUID_TYPE_BLE; if (characteristic->uuid->type == UUID_TYPE_128BIT) uuid.type = characteristic->uuid->uuid_vs_idx; uuid.uuid = characteristic->uuid->value[0]; uuid.uuid += characteristic->uuid->value[1] << 8; memset(&attr_md, 0, sizeof(attr_md)); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.read_perm); BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.write_perm); attr_md.vloc = BLE_GATTS_VLOC_STACK; attr_md.rd_auth = 0; attr_md.wr_auth = 0; attr_md.vlen = 1; memset(&attr_char_value, 0, sizeof(attr_char_value)); attr_char_value.p_uuid = &uuid; attr_char_value.p_attr_md = &attr_md; attr_char_value.init_len = sizeof(uint8_t); attr_char_value.init_offs = 0; #if (BLE_API_VERSION == 2) attr_char_value.max_len = (GATT_MTU_SIZE_DEFAULT - 3); #else attr_char_value.max_len = (BLE_GATT_ATT_MTU_DEFAULT - 3); #endif ble_gatts_char_handles_t handles; uint32_t err_code = sd_ble_gatts_characteristic_add(characteristic->service_handle, &char_md, &attr_char_value, &handles); if (err_code != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not add Characteristic. status: 0x%08lX"), err_code)); } // apply handles to object instance characteristic->handle = handles.value_handle; characteristic->user_desc_handle = handles.user_desc_handle; characteristic->cccd_handle = handles.cccd_handle; characteristic->sccd_handle = handles.sccd_handle; return true; } bool ble_drv_advertise_data(ubluepy_advertise_data_t * p_adv_params) { SD_TEST_OR_ENABLE(); uint8_t byte_pos = 0; uint8_t adv_data[BLE_GAP_ADV_MAX_SIZE]; if (p_adv_params->device_name_len > 0) { ble_gap_conn_sec_mode_t sec_mode; BLE_GAP_CONN_SEC_MODE_SET_OPEN(&sec_mode); if (sd_ble_gap_device_name_set(&sec_mode, p_adv_params->p_device_name, p_adv_params->device_name_len) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not apply device name in the stack."))); } BLE_DRIVER_LOG("Device name applied\n"); adv_data[byte_pos] = (BLE_ADV_AD_TYPE_FIELD_SIZE + p_adv_params->device_name_len); byte_pos += BLE_ADV_LENGTH_FIELD_SIZE; adv_data[byte_pos] = BLE_GAP_AD_TYPE_COMPLETE_LOCAL_NAME; byte_pos += BLE_ADV_AD_TYPE_FIELD_SIZE; memcpy(&adv_data[byte_pos], p_adv_params->p_device_name, p_adv_params->device_name_len); // increment position counter to see if it fits, and in case more content should // follow in this adv packet. byte_pos += p_adv_params->device_name_len; } // Add FLAGS only if manually controlled data has not been used. if (p_adv_params->data_len == 0) { // set flags, default to disc mode adv_data[byte_pos] = (BLE_ADV_AD_TYPE_FIELD_SIZE + BLE_AD_TYPE_FLAGS_DATA_SIZE); byte_pos += BLE_ADV_LENGTH_FIELD_SIZE; adv_data[byte_pos] = BLE_GAP_AD_TYPE_FLAGS; byte_pos += BLE_AD_TYPE_FLAGS_DATA_SIZE; adv_data[byte_pos] = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE; byte_pos += 1; } if (p_adv_params->num_of_services > 0) { bool type_16bit_present = false; bool type_128bit_present = false; for (uint8_t i = 0; i < p_adv_params->num_of_services; i++) { bleio_service_obj_t * p_service = (bleio_service_obj_t *)p_adv_params->p_services[i]; if (p_service->uuid->type == UUID_TYPE_16BIT) { type_16bit_present = true; } if (p_service->uuid->type == UUID_TYPE_128BIT) { type_128bit_present = true; } } if (type_16bit_present) { uint8_t size_byte_pos = byte_pos; // skip length byte for now, apply total length post calculation byte_pos += BLE_ADV_LENGTH_FIELD_SIZE; adv_data[byte_pos] = BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_COMPLETE; byte_pos += BLE_ADV_AD_TYPE_FIELD_SIZE; uint8_t uuid_total_size = 0; uint8_t encoded_size = 0; for (uint8_t i = 0; i < p_adv_params->num_of_services; i++) { bleio_service_obj_t * p_service = (bleio_service_obj_t *)p_adv_params->p_services[i]; ble_uuid_t uuid; uuid.type = p_service->uuid->type; uuid.uuid = p_service->uuid->value[0]; uuid.uuid += p_service->uuid->value[1] << 8; // calculate total size of uuids if (sd_ble_uuid_encode(&uuid, &encoded_size, NULL) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not encode UUID, to check length."))); } // do encoding into the adv buffer if (sd_ble_uuid_encode(&uuid, &encoded_size, &adv_data[byte_pos]) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can encode UUID into the advertisement packet."))); } BLE_DRIVER_LOG("encoded uuid for service %u: ", 0); for (uint8_t j = 0; j < encoded_size; j++) { BLE_DRIVER_LOG(HEX2_FMT " ", adv_data[byte_pos + j]); } BLE_DRIVER_LOG("\n"); uuid_total_size += encoded_size; // size of entry byte_pos += encoded_size; // relative to adv data packet BLE_DRIVER_LOG("ADV: uuid size: %u, type: %u, uuid: %x%x, vs_idx: %u\n", encoded_size, p_service->p_uuid->type, p_service->p_uuid->value[1], p_service->p_uuid->value[0], p_service->p_uuid->uuid_vs_idx); } adv_data[size_byte_pos] = (BLE_ADV_AD_TYPE_FIELD_SIZE + uuid_total_size); } if (type_128bit_present) { uint8_t size_byte_pos = byte_pos; // skip length byte for now, apply total length post calculation byte_pos += BLE_ADV_LENGTH_FIELD_SIZE; adv_data[byte_pos] = BLE_GAP_AD_TYPE_128BIT_SERVICE_UUID_COMPLETE; byte_pos += BLE_ADV_AD_TYPE_FIELD_SIZE; uint8_t uuid_total_size = 0; uint8_t encoded_size = 0; for (uint8_t i = 0; i < p_adv_params->num_of_services; i++) { bleio_service_obj_t * p_service = (bleio_service_obj_t *)p_adv_params->p_services[i]; ble_uuid_t uuid; uuid.type = p_service->uuid->uuid_vs_idx; uuid.uuid = p_service->uuid->value[0]; uuid.uuid += p_service->uuid->value[1] << 8; // calculate total size of uuids if (sd_ble_uuid_encode(&uuid, &encoded_size, NULL) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not encode UUID, to check length."))); } // do encoding into the adv buffer if (sd_ble_uuid_encode(&uuid, &encoded_size, &adv_data[byte_pos]) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can encode UUID into the advertisement packet."))); } BLE_DRIVER_LOG("encoded uuid for service %u: ", 0); for (uint8_t j = 0; j < encoded_size; j++) { BLE_DRIVER_LOG(HEX2_FMT " ", adv_data[byte_pos + j]); } BLE_DRIVER_LOG("\n"); uuid_total_size += encoded_size; // size of entry byte_pos += encoded_size; // relative to adv data packet BLE_DRIVER_LOG("ADV: uuid size: %u, type: %x%x, uuid: %u, vs_idx: %u\n", encoded_size, p_service->p_uuid->type, p_service->p_uuid->value[1], p_service->p_uuid->value[0], p_service->p_uuid->uuid_vs_idx); } adv_data[size_byte_pos] = (BLE_ADV_AD_TYPE_FIELD_SIZE + uuid_total_size); } } if ((p_adv_params->data_len > 0) && (p_adv_params->p_data != NULL)) { if (p_adv_params->data_len + byte_pos > BLE_GAP_ADV_MAX_SIZE) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not fit data into the advertisement packet."))); } memcpy(adv_data, p_adv_params->p_data, p_adv_params->data_len); byte_pos += p_adv_params->data_len; } // scan response data not set uint32_t err_code; #if (BLUETOOTH_SD == 132) if ((err_code = sd_ble_gap_adv_data_set(adv_data, byte_pos, NULL, 0)) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not apply advertisement data. status: 0x%02x"), (uint16_t)err_code)); } BLE_DRIVER_LOG("Set Adv data size: " UINT_FMT "\n", byte_pos); #endif static ble_gap_adv_params_t m_adv_params; // initialize advertising params memset(&m_adv_params, 0, sizeof(m_adv_params)); if (p_adv_params->connectable) { #if (BLUETOOTH_SD == 140) m_adv_params.properties.type = BLE_GAP_ADV_TYPE_CONNECTABLE_SCANNABLE_UNDIRECTED; #else m_adv_params.type = BLE_GAP_ADV_TYPE_ADV_IND; #endif } else { #if (BLUETOOTH_SD == 140) m_adv_params.properties.type = BLE_GAP_ADV_TYPE_NONCONNECTABLE_NONSCANNABLE_UNDIRECTED; #else m_adv_params.type = BLE_GAP_ADV_TYPE_ADV_NONCONN_IND; #endif } m_adv_params.p_peer_addr = NULL; // undirected advertisement m_adv_params.interval = MSEC_TO_UNITS(100, UNIT_0_625_MS); // approx 8 ms #if (BLUETOOTH_SD == 140) m_adv_params.duration = BLE_GAP_ADV_TIMEOUT_GENERAL_UNLIMITED; m_adv_params.filter_policy = BLE_GAP_ADV_FP_ANY; m_adv_params.primary_phy = BLE_GAP_PHY_1MBPS; #else m_adv_params.fp = BLE_GAP_ADV_FP_ANY; m_adv_params.timeout = 0; // infinite advertisement #endif ble_drv_advertise_stop(); #if (BLUETOOTH_SD == 140) const ble_gap_adv_data_t ble_gap_adv_data = { .adv_data = { .p_data = adv_data, .len = byte_pos } }; if ((err_code = sd_ble_gap_adv_set_configure(&m_adv_handle, &ble_gap_adv_data, &m_adv_params)) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not apply advertisement data. status: 0x%02x"), (uint16_t)err_code)); } err_code = sd_ble_gap_adv_start(m_adv_handle, BLE_CONN_CFG_TAG_DEFAULT); #elif (BLUETOOTH_SD == 132 && BLE_API_VERSION == 4) err_code = sd_ble_gap_adv_start(&m_adv_params, BLE_CONN_CFG_TAG_DEFAULT); #else err_code = sd_ble_gap_adv_start(&m_adv_params); #endif if (err_code != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not start advertisement. status: 0x%02x"), (uint16_t)err_code)); } m_adv_in_progress = true; return true; } void ble_drv_advertise_stop(void) { if (m_adv_in_progress == true) { uint32_t err_code; #if (BLUETOOTH_SD == 140) if ((err_code = sd_ble_gap_adv_stop(m_adv_handle)) != 0) { #else if ((err_code = sd_ble_gap_adv_stop()) != 0) { #endif nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not stop advertisement. status: 0x%02x"), (uint16_t)err_code)); } } m_adv_in_progress = false; } void ble_drv_attr_s_read(uint16_t conn_handle, uint16_t handle, uint16_t len, uint8_t * p_data) { ble_gatts_value_t gatts_value; memset(&gatts_value, 0, sizeof(gatts_value)); gatts_value.len = len; gatts_value.offset = 0; gatts_value.p_value = p_data; uint32_t err_code = sd_ble_gatts_value_get(conn_handle, handle, &gatts_value); if (err_code != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not read attribute value. status: 0x%02x"), (uint16_t)err_code)); } } void ble_drv_attr_s_write(bleio_characteristic_obj_t *characteristic, mp_buffer_info_t *bufinfo) { ubluepy_peripheral_obj_t *peripheral = MP_OBJ_TO_PTR(characteristic->service->periph); uint16_t conn_handle = peripheral->conn_handle; ble_gatts_value_t gatts_value; memset(&gatts_value, 0, sizeof(gatts_value)); gatts_value.len = bufinfo->len; gatts_value.offset = 0; gatts_value.p_value = bufinfo->buf; uint32_t err_code = sd_ble_gatts_value_set(conn_handle, characteristic->handle, &gatts_value); if (err_code != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not write attribute value. status: 0x%02x"), (uint16_t)err_code)); } } void ble_drv_attr_s_notify(bleio_characteristic_obj_t *characteristic, mp_buffer_info_t *bufinfo) { ubluepy_peripheral_obj_t *peripheral = MP_OBJ_TO_PTR(characteristic->service->periph); uint16_t conn_handle = peripheral->conn_handle; ble_gatts_hvx_params_t hvx_params; uint16_t hvx_len = bufinfo->len; memset(&hvx_params, 0, sizeof(hvx_params)); hvx_params.handle = characteristic->handle; hvx_params.type = BLE_GATT_HVX_NOTIFICATION; hvx_params.offset = 0; hvx_params.p_len = &hvx_len; hvx_params.p_data = bufinfo->buf; while (m_tx_in_progress) { ; } m_tx_in_progress = true; uint32_t err_code; if ((err_code = sd_ble_gatts_hvx(conn_handle, &hvx_params)) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not notify attribute value. status: 0x%02x"), (uint16_t)err_code)); } } void ble_drv_gap_event_handler_set(mp_obj_t obj, ble_drv_gap_evt_callback_t evt_handler) { mp_gap_observer = obj; gap_event_handler = evt_handler; } void ble_drv_gatts_event_handler_set(mp_obj_t obj, ble_drv_gatts_evt_callback_t evt_handler) { mp_gatts_observer = obj; gatts_event_handler = evt_handler; } void ble_drv_gattc_event_handler_set(mp_obj_t obj, ble_drv_gattc_evt_callback_t evt_handler) { mp_gattc_observer = obj; gattc_event_handler = evt_handler; } void ble_drv_adv_report_handler_set(bleio_scanner_obj_t *self, ble_drv_adv_evt_callback_t evt_handler) { mp_adv_observer = self; adv_event_handler = evt_handler; } void ble_drv_attr_c_read(bleio_characteristic_obj_t *characteristic, ble_drv_gattc_char_data_callback_t cb) { bleio_service_obj_t *service = characteristic->service; ubluepy_peripheral_obj_t *peripheral = MP_OBJ_TO_PTR(service->periph); mp_gattc_char_data_observer = characteristic; gattc_char_data_handle = cb; const uint32_t err_code = sd_ble_gattc_read(peripheral->conn_handle, characteristic->handle, 0); if (err_code != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not read attribute value. status: 0x%02x"), (uint16_t)err_code)); } while (gattc_char_data_handle != NULL) { ; } } void ble_drv_attr_c_write(bleio_characteristic_obj_t *characteristic, mp_buffer_info_t *bufinfo) { ubluepy_peripheral_obj_t *peripheral = MP_OBJ_TO_PTR(characteristic->service->periph); uint16_t conn_handle = peripheral->conn_handle; ble_gattc_write_params_t write_params; write_params.write_op = BLE_GATT_OP_WRITE_REQ; if (characteristic->props.write_wo_resp) { write_params.write_op = BLE_GATT_OP_WRITE_CMD; } write_params.flags = BLE_GATT_EXEC_WRITE_FLAG_PREPARED_CANCEL; write_params.handle = characteristic->handle; write_params.offset = 0; write_params.len = bufinfo->len; write_params.p_value = bufinfo->buf; m_write_done = (write_params.write_op == BLE_GATT_OP_WRITE_CMD); uint32_t err_code = sd_ble_gattc_write(conn_handle, &write_params); if (err_code != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not write attribute value. status: 0x%02x"), (uint16_t)err_code)); } while (m_write_done != true) { ; } } void ble_drv_scan_start(uint16_t interval, uint16_t window) { SD_TEST_OR_ENABLE(); ble_gap_scan_params_t scan_params; memset(&scan_params, 0, sizeof(ble_gap_scan_params_t)); scan_params.active = 1; scan_params.interval = MSEC_TO_UNITS(interval, UNIT_0_625_MS); scan_params.window = MSEC_TO_UNITS(window, UNIT_0_625_MS); #if (BLUETOOTH_SD == 140) scan_params.scan_phys = BLE_GAP_PHY_1MBPS; #endif scan_params.timeout = 0; // Infinite uint32_t err_code; #if (BLUETOOTH_SD == 140) if ((err_code = sd_ble_gap_scan_start(&scan_params, &m_scan_buffer)) != 0) { #else if ((err_code = sd_ble_gap_scan_start(&scan_params)) != 0) { #endif nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not start scanning. status: 0x%02x"), (uint16_t)err_code)); } } void ble_drv_scan_continue(void) { SD_TEST_OR_ENABLE(); #if (BLUETOOTH_SD == 140) uint32_t err_code; if ((err_code = sd_ble_gap_scan_start(NULL, &m_scan_buffer)) != 0) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Can not continue scanning. status: 0x" HEX2_FMT, (uint16_t)err_code)); } #endif } void ble_drv_scan_stop(void) { sd_ble_gap_scan_stop(); } void ble_drv_connect(uint8_t * p_addr, uint8_t addr_type) { SD_TEST_OR_ENABLE(); ble_gap_scan_params_t scan_params; scan_params.active = 1; scan_params.interval = MSEC_TO_UNITS(100, UNIT_0_625_MS); scan_params.window = MSEC_TO_UNITS(100, UNIT_0_625_MS); scan_params.timeout = 0; // Infinite ble_gap_addr_t addr; memset(&addr, 0, sizeof(addr)); addr.addr_type = addr_type; memcpy(addr.addr, p_addr, 6); BLE_DRIVER_LOG("GAP CONNECTING: "HEX2_FMT":"HEX2_FMT":"HEX2_FMT":"HEX2_FMT":"HEX2_FMT":"HEX2_FMT", type: %d\n", addr.addr[0], addr.addr[1], addr.addr[2], addr.addr[3], addr.addr[4], addr.addr[5], addr.addr_type); ble_gap_conn_params_t conn_params; // (void)sd_ble_gap_ppcp_get(&conn_params); // set connection parameters memset(&conn_params, 0, sizeof(conn_params)); conn_params.min_conn_interval = BLE_MIN_CONN_INTERVAL; conn_params.max_conn_interval = BLE_MAX_CONN_INTERVAL; conn_params.slave_latency = BLE_SLAVE_LATENCY; conn_params.conn_sup_timeout = BLE_CONN_SUP_TIMEOUT; uint32_t err_code; #if (BLE_API_VERSION == 2) if ((err_code = sd_ble_gap_connect(&addr, &scan_params, &conn_params)) != 0) { #else if ((err_code = sd_ble_gap_connect(&addr, &scan_params, &conn_params, BLE_CONN_CFG_TAG_DEFAULT)) != 0) { #endif nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, translate("Can not connect. status: 0x%02x"), (uint16_t)err_code)); } } bool ble_drv_discover_services(mp_obj_t obj, uint16_t conn_handle, uint16_t start_handle, ble_drv_disc_add_service_callback_t cb) { BLE_DRIVER_LOG("Discover primary services. Conn handle: 0x" HEX2_FMT "\n", conn_handle); mp_gattc_disc_service_observer = obj; disc_add_service_handler = cb; m_primary_service_found = false; uint32_t err_code; err_code = sd_ble_gattc_primary_services_discover(conn_handle, start_handle, NULL); if (err_code != 0) { return false; } // busy loop until last service has been iterated while (disc_add_service_handler != NULL) { ; } if (m_primary_service_found) { return true; } else { return false; } } bool ble_drv_discover_characteristic(mp_obj_t obj, uint16_t conn_handle, uint16_t start_handle, uint16_t end_handle, ble_drv_disc_add_char_callback_t cb) { BLE_DRIVER_LOG("Discover characteristicts. Conn handle: 0x" HEX2_FMT "\n", conn_handle); mp_gattc_disc_char_observer = obj; disc_add_char_handler = cb; ble_gattc_handle_range_t handle_range; handle_range.start_handle = start_handle; handle_range.end_handle = end_handle; m_characteristic_found = false; uint32_t err_code; err_code = sd_ble_gattc_characteristics_discover(conn_handle, &handle_range); if (err_code != 0) { return false; } // busy loop until last service has been iterated while (disc_add_char_handler != NULL) { ; } if (m_characteristic_found) { return true; } else { return false; } } void ble_drv_discover_descriptors(void) { } static void ble_evt_handler(ble_evt_t * p_ble_evt) { // S132 event ranges. // Common 0x01 -> 0x0F // GAP 0x10 -> 0x2F // GATTC 0x30 -> 0x4F // GATTS 0x50 -> 0x6F // L2CAP 0x70 -> 0x8F switch (p_ble_evt->header.evt_id) { case BLE_GAP_EVT_CONNECTED: BLE_DRIVER_LOG("GAP CONNECT\n"); m_adv_in_progress = false; gap_event_handler(mp_gap_observer, p_ble_evt->header.evt_id, p_ble_evt->evt.gap_evt.conn_handle, p_ble_evt->header.evt_len - (2 * sizeof(uint16_t)), NULL); ble_gap_conn_params_t conn_params; (void)sd_ble_gap_ppcp_get(&conn_params); (void)sd_ble_gap_conn_param_update(p_ble_evt->evt.gap_evt.conn_handle, &conn_params); break; case BLE_GAP_EVT_DISCONNECTED: BLE_DRIVER_LOG("GAP DISCONNECT\n"); gap_event_handler(mp_gap_observer, p_ble_evt->header.evt_id, p_ble_evt->evt.gap_evt.conn_handle, p_ble_evt->header.evt_len - (2 * sizeof(uint16_t)), NULL); break; case BLE_GATTS_EVT_HVC: gatts_event_handler(mp_gatts_observer, p_ble_evt->header.evt_id, p_ble_evt->evt.gatts_evt.params.hvc.handle, p_ble_evt->header.evt_len - (2 * sizeof(uint16_t)), NULL); break; case BLE_GATTS_EVT_WRITE: BLE_DRIVER_LOG("GATTS write\n"); uint16_t handle = p_ble_evt->evt.gatts_evt.params.write.handle; uint16_t data_len = p_ble_evt->evt.gatts_evt.params.write.len; uint8_t * p_data = &p_ble_evt->evt.gatts_evt.params.write.data[0]; gatts_event_handler(mp_gatts_observer, p_ble_evt->header.evt_id, handle, data_len, p_data); break; case BLE_GAP_EVT_CONN_PARAM_UPDATE: BLE_DRIVER_LOG("GAP CONN PARAM UPDATE\n"); break; case BLE_GATTS_EVT_SYS_ATTR_MISSING: // No system attributes have been stored. (void)sd_ble_gatts_sys_attr_set(p_ble_evt->evt.gatts_evt.conn_handle, NULL, 0, 0); break; #if (BLE_API_VERSION == 4) case BLE_GATTS_EVT_EXCHANGE_MTU_REQUEST: BLE_DRIVER_LOG("GATTS EVT EXCHANGE MTU REQUEST\n"); (void)sd_ble_gatts_exchange_mtu_reply(p_ble_evt->evt.gatts_evt.conn_handle, 23); // MAX MTU size break; #endif #if (BLE_API_VERSION == 4) case BLE_GATTS_EVT_HVN_TX_COMPLETE: #else case BLE_EVT_TX_COMPLETE: #endif BLE_DRIVER_LOG("BLE EVT TX COMPLETE\n"); m_tx_in_progress = false; break; case BLE_GAP_EVT_SEC_PARAMS_REQUEST: BLE_DRIVER_LOG("BLE EVT SEC PARAMS REQUEST\n"); // pairing not supported (void)sd_ble_gap_sec_params_reply(p_ble_evt->evt.gatts_evt.conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL); break; case BLE_GAP_EVT_ADV_REPORT: BLE_DRIVER_LOG("BLE EVT ADV REPORT\n"); ble_drv_adv_data_t adv_data = { .p_peer_addr = p_ble_evt->evt.gap_evt.params.adv_report.peer_addr.addr, .addr_type = p_ble_evt->evt.gap_evt.params.adv_report.peer_addr.addr_type, #if (BLUETOOTH_SD == 140) .is_scan_resp = p_ble_evt->evt.gap_evt.params.adv_report.type.scannable, #else .is_scan_resp = p_ble_evt->evt.gap_evt.params.adv_report.scan_rsp, #endif .rssi = p_ble_evt->evt.gap_evt.params.adv_report.rssi, #if (BLUETOOTH_SD == 140) .data_len = p_ble_evt->evt.gap_evt.params.adv_report.data.len, .p_data = p_ble_evt->evt.gap_evt.params.adv_report.data.p_data, #else .data_len = p_ble_evt->evt.gap_evt.params.adv_report.dlen, .p_data = p_ble_evt->evt.gap_evt.params.adv_report.data, #endif #if (BLUETOOTH_SD == 132) .adv_type = p_ble_evt->evt.gap_evt.params.adv_report.type #endif }; if (adv_event_handler != NULL) { adv_event_handler(mp_adv_observer, &adv_data); } break; case BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST: BLE_DRIVER_LOG("BLE EVT CONN PARAM UPDATE REQUEST\n"); (void)sd_ble_gap_conn_param_update(p_ble_evt->evt.gap_evt.conn_handle, &p_ble_evt->evt.gap_evt.params.conn_param_update_request.conn_params); break; case BLE_GATTC_EVT_PRIM_SRVC_DISC_RSP: BLE_DRIVER_LOG("BLE EVT PRIMARY SERVICE DISCOVERY RESPONSE\n"); BLE_DRIVER_LOG(">>> service count: %d\n", p_ble_evt->evt.gattc_evt.params.prim_srvc_disc_rsp.count); for (uint16_t i = 0; i < p_ble_evt->evt.gattc_evt.params.prim_srvc_disc_rsp.count; i++) { ble_gattc_service_t * p_service = &p_ble_evt->evt.gattc_evt.params.prim_srvc_disc_rsp.services[i]; ble_drv_service_data_t service; service.uuid_type = p_service->uuid.type; service.uuid = p_service->uuid.uuid; service.start_handle = p_service->handle_range.start_handle; service.end_handle = p_service->handle_range.end_handle; disc_add_service_handler(mp_gattc_disc_service_observer, &service); } if (p_ble_evt->evt.gattc_evt.params.prim_srvc_disc_rsp.count > 0) { m_primary_service_found = true; } // mark end of service discovery disc_add_service_handler = NULL; break; case BLE_GATTC_EVT_CHAR_DISC_RSP: BLE_DRIVER_LOG("BLE EVT CHAR DISCOVERY RESPONSE\n"); BLE_DRIVER_LOG(">>> characteristic count: %d\n", p_ble_evt->evt.gattc_evt.params.char_disc_rsp.count); for (uint16_t i = 0; i < p_ble_evt->evt.gattc_evt.params.char_disc_rsp.count; i++) { ble_gattc_char_t * p_char = &p_ble_evt->evt.gattc_evt.params.char_disc_rsp.chars[i]; ble_drv_char_data_t char_data; char_data.uuid_type = p_char->uuid.type; char_data.uuid = p_char->uuid.uuid; char_data.decl_handle = p_char->handle_decl; char_data.value_handle = p_char->handle_value; char_data.props.broadcast = p_char->char_props.broadcast; char_data.props.read = p_char->char_props.read; char_data.props.write_wo_resp = p_char->char_props.write_wo_resp; char_data.props.write = p_char->char_props.write; char_data.props.notify = p_char->char_props.notify; char_data.props.indicate = p_char->char_props.indicate; disc_add_char_handler(mp_gattc_disc_char_observer, &char_data); } if (p_ble_evt->evt.gattc_evt.params.char_disc_rsp.count > 0) { m_characteristic_found = true; } // mark end of characteristic discovery disc_add_char_handler = NULL; break; case BLE_GATTC_EVT_READ_RSP: BLE_DRIVER_LOG("BLE EVT READ RESPONSE, offset: 0x"HEX2_FMT", length: 0x"HEX2_FMT"\n", p_ble_evt->evt.gattc_evt.params.read_rsp.offset, p_ble_evt->evt.gattc_evt.params.read_rsp.len); gattc_char_data_handle(mp_gattc_char_data_observer, p_ble_evt->evt.gattc_evt.params.read_rsp.len, p_ble_evt->evt.gattc_evt.params.read_rsp.data); // mark end of read gattc_char_data_handle = NULL; break; case BLE_GATTC_EVT_WRITE_RSP: BLE_DRIVER_LOG("BLE EVT WRITE RESPONSE\n"); m_write_done = true; break; case BLE_GATTC_EVT_HVX: BLE_DRIVER_LOG("BLE EVT HVX RESPONSE\n"); break; default: BLE_DRIVER_LOG(">>> unhandled evt: 0x" HEX2_FMT "\n", p_ble_evt->header.evt_id); break; } } #if (BLE_API_VERSION == 2) static uint8_t m_ble_evt_buf[sizeof(ble_evt_t) + (GATT_MTU_SIZE_DEFAULT)] __attribute__ ((aligned (4))); #else static uint8_t m_ble_evt_buf[sizeof(ble_evt_t) + (BLE_GATT_ATT_MTU_DEFAULT)] __attribute__ ((aligned (4))); #endif void SWI2_EGU2_IRQHandler(void) { uint32_t evt_id; uint32_t err_code; do { err_code = sd_evt_get(&evt_id); // TODO: handle non ble events } while (err_code != NRF_ERROR_NOT_FOUND && err_code != NRF_SUCCESS); uint16_t evt_len = sizeof(m_ble_evt_buf); do { err_code = sd_ble_evt_get(m_ble_evt_buf, &evt_len); ble_evt_handler((ble_evt_t *)m_ble_evt_buf); } while (err_code != NRF_ERROR_NOT_FOUND && err_code != NRF_SUCCESS); } #endif // BLUETOOTH_SD