646 lines
23 KiB
C
646 lines
23 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Glenn Ruben Bakke
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdbool.h>
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#include "py/runtime.h"
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#include "ble_drv.h"
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#include "mpconfigport.h"
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#include "nrf_sdm.h"
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#include "ble_gap.h"
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#include "ble.h" // sd_ble_uuid_encode
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#define BLE_DRIVER_VERBOSE 0
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#if BLE_DRIVER_VERBOSE
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#define BLE_DRIVER_LOG printf
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#else
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#define BLE_DRIVER_LOG(...)
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#endif
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#define SD_TEST_OR_ENABLE() \
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if (ble_drv_stack_enabled() == 0) { \
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(void)ble_drv_stack_enable(); \
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}
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static bool m_adv_in_progress = false;
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static ubluepy_gap_evt_callback_t ubluepy_gap_event_handler;
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static ubluepy_gatts_evt_callback_t ubluepy_gatts_event_handler;
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static mp_obj_t mp_gap_observer;
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static mp_obj_t mp_gatts_observer;
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#if (BLUETOOTH_SD != 100) && (BLUETOOTH_SD != 110)
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#include "nrf_nvic.h"
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#if NRF51
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nrf_nvic_state_t nrf_nvic_state;;
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#else
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nrf_nvic_state_t nrf_nvic_state;
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#endif // NRF51
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#endif // (BLUETOOTH_SD != 100)
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#if (BLUETOOTH_SD == 100 ) || (BLUETOOTH_SD == 110)
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void softdevice_assert_handler(uint32_t pc, uint16_t line_number, const uint8_t * p_file_name) {
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BLE_DRIVER_LOG("ERROR: SoftDevice assert!!!");
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}
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#else
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void softdevice_assert_handler(uint32_t id, uint32_t pc, uint32_t info) {
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BLE_DRIVER_LOG("ERROR: SoftDevice assert!!!");
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}
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#endif
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uint32_t ble_drv_stack_enable(void) {
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#if (BLUETOOTH_SD != 100) && (BLUETOOTH_SD != 110)
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memset(&nrf_nvic_state, 0, sizeof(nrf_nvic_state_t));
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#endif
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#if (BLUETOOTH_SD == 100) || (BLUETOOTH_SD == 110)
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uint32_t err_code = sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM,
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softdevice_assert_handler);
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#else
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nrf_clock_lf_cfg_t clock_config = {
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.source = NRF_CLOCK_LF_SRC_XTAL,
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.rc_ctiv = 0,
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.rc_temp_ctiv = 0,
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.xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_20_PPM
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};
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uint32_t err_code = sd_softdevice_enable(&clock_config,
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softdevice_assert_handler);
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#endif
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BLE_DRIVER_LOG("SoftDevice enable status: " UINT_FMT "\n", (uint16_t)err_code);
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#if NRF51
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err_code = sd_nvic_EnableIRQ(SWI2_IRQn);
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#else
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err_code = sd_nvic_EnableIRQ(SWI2_EGU2_IRQn);
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#endif
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BLE_DRIVER_LOG("IRQ enable status: " UINT_FMT "\n", (uint16_t)err_code);
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// Enable BLE stack.
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ble_enable_params_t ble_enable_params;
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memset(&ble_enable_params, 0x00, sizeof(ble_enable_params));
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ble_enable_params.gatts_enable_params.attr_tab_size = BLE_GATTS_ATTR_TAB_SIZE_DEFAULT;
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ble_enable_params.gatts_enable_params.service_changed = 0;
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#if (BLUETOOTH_SD == 132)
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ble_enable_params.gap_enable_params.periph_conn_count = 1;
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ble_enable_params.gap_enable_params.central_conn_count = 1;
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#endif
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#if (BLUETOOTH_SD == 100) || (BLUETOOTH_SD == 110)
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err_code = sd_ble_enable(&ble_enable_params);
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#else
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#if (BLUETOOTH_SD == 132)
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uint32_t app_ram_start = 0x200039c0;
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err_code = sd_ble_enable(&ble_enable_params, &app_ram_start); // 8K SD headroom from linker script.
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BLE_DRIVER_LOG("BLE ram size: " UINT_FMT "\n", (uint16_t)app_ram_start);
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#else
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err_code = sd_ble_enable(&ble_enable_params, (uint32_t *)0x20001870);
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#endif
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#endif
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BLE_DRIVER_LOG("BLE enable status: " UINT_FMT "\n", (uint16_t)err_code);
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return err_code;
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}
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void ble_drv_stack_disable(void) {
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sd_softdevice_disable();
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}
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uint8_t ble_drv_stack_enabled(void) {
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uint8_t is_enabled;
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uint32_t err_code = sd_softdevice_is_enabled(&is_enabled);
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(void)err_code;
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BLE_DRIVER_LOG("Is enabled status: " UINT_FMT "\n", (uint16_t)err_code);
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return is_enabled;
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}
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void ble_drv_address_get(void) {
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ble_gap_addr_t local_ble_addr;
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#if (BLUETOOTH_SD != 132)
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uint32_t err_code = sd_ble_gap_address_get(&local_ble_addr);
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#else
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uint32_t err_code = sd_ble_gap_addr_get(&local_ble_addr);
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#endif
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BLE_DRIVER_LOG("ble address, type: " HEX2_FMT ", " \
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"address: " HEX2_FMT ":" HEX2_FMT ":" HEX2_FMT ":" \
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HEX2_FMT ":" HEX2_FMT ":" HEX2_FMT "\n", \
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local_ble_addr.addr_type, \
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local_ble_addr.addr[5], local_ble_addr.addr[4], local_ble_addr.addr[3], \
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local_ble_addr.addr[2], local_ble_addr.addr[1], local_ble_addr.addr[0]);
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(void)err_code;
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}
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#define EDDYSTONE_UUID 0xFEAA // UUID for Eddystone beacons, Big Endian.
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// URL Frame Type, fixed at 0x10.
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// RSSI, 0xEE = -18 dB is the approximate signal strength at 0 m.
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// URL prefix, 0x00 = "http://www".
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// URL
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// URL suffix, 0x01 = ".com"
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#define EDDYSTONE_DATA 0x10, 0xEE, 0x00, 'm', 'i', 'c', 'r', 'o', 'p', 'y', 't', 'h', 'o', 'n', 0x01
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#define BLE_ADV_LENGTH_FIELD_SIZE 1
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#define BLE_ADV_AD_TYPE_FIELD_SIZE 1
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#define BLE_AD_TYPE_FLAGS_DATA_SIZE 1
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#define MSEC_TO_UNITS(TIME, RESOLUTION) (((TIME) * 1000) / (RESOLUTION))
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#define UNIT_0_625_MS (625)
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#define APP_CFG_NON_CONN_ADV_TIMEOUT 0 // Disable timeout.
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#define NON_CONNECTABLE_ADV_INTERVAL MSEC_TO_UNITS(100, UNIT_0_625_MS)
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void ble_drv_advertise(void) {
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ble_uuid_t adv_uuids[] = {{.uuid = EDDYSTONE_UUID, .type = BLE_UUID_TYPE_BLE}};
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uint8_t encoded_size;
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uint8_t uuid_encoded[2];
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uint32_t err_code = sd_ble_uuid_encode(&adv_uuids[0], &encoded_size, uuid_encoded);
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(void)err_code;
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BLE_DRIVER_LOG("Encoded UUID size: " UINT_FMT ": result: " HEX2_FMT "\n", encoded_size, (uint16_t)err_code);
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BLE_DRIVER_LOG("Encoded UUID: " HEX2_FMT " " HEX2_FMT "\n", uuid_encoded[0], uuid_encoded[1]);
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uint8_t eddystone_data[] = {EDDYSTONE_DATA}; // Temp buffer to calculate the size.
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uint8_t adv_data[] = {
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(uint8_t)(BLE_ADV_AD_TYPE_FIELD_SIZE + BLE_AD_TYPE_FLAGS_DATA_SIZE),
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BLE_GAP_AD_TYPE_FLAGS,
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BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE,
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3,
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BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_COMPLETE,
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uuid_encoded[0], uuid_encoded[1],
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(uint8_t)(BLE_ADV_AD_TYPE_FIELD_SIZE + sizeof(eddystone_data) + 2),
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BLE_GAP_AD_TYPE_SERVICE_DATA,
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uuid_encoded[0], uuid_encoded[1],
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EDDYSTONE_DATA
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};
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// Scan response data not set.
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err_code = sd_ble_gap_adv_data_set(adv_data, sizeof(adv_data), NULL, 0);
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BLE_DRIVER_LOG("Set Adv data status: " UINT_FMT ", size: " UINT_FMT "\n", (uint16_t)err_code, sizeof(adv_data));
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ble_gap_adv_params_t m_adv_params;
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// Initialize advertising params.
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memset(&m_adv_params, 0, sizeof(m_adv_params));
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m_adv_params.type = BLE_GAP_ADV_TYPE_ADV_NONCONN_IND;
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m_adv_params.p_peer_addr = NULL; // Undirected advertisement.
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m_adv_params.fp = BLE_GAP_ADV_FP_ANY;
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m_adv_params.interval = NON_CONNECTABLE_ADV_INTERVAL;
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m_adv_params.timeout = APP_CFG_NON_CONN_ADV_TIMEOUT;
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err_code = sd_ble_gap_adv_start(&m_adv_params);
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BLE_DRIVER_LOG("Advertisment start status: " UINT_FMT "\n", (uint16_t)err_code);
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}
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bool ble_drv_uuid_add_vs(uint8_t * p_uuid, uint8_t * idx) {
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SD_TEST_OR_ENABLE();
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if (sd_ble_uuid_vs_add((ble_uuid128_t const *)p_uuid, idx) != 0) {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
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"Can not add Vendor Specific 128-bit UUID."));
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}
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return true;
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}
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bool ble_drv_service_add(ubluepy_service_obj_t * p_service_obj) {
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SD_TEST_OR_ENABLE();
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if (p_service_obj->p_uuid->type > BLE_UUID_TYPE_BLE) {
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ble_uuid_t uuid;
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uuid.type = p_service_obj->p_uuid->uuid_vs_idx;
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uuid.uuid = (uint16_t)(*(uint16_t *)&p_service_obj->p_uuid->value[0]);
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if (sd_ble_gatts_service_add(p_service_obj->type,
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&uuid,
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&p_service_obj->handle) != 0)
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{
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
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"Can not add Service."));
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}
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} else if (p_service_obj->p_uuid->type == BLE_UUID_TYPE_BLE) {
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ble_uuid_t uuid;
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uuid.type = p_service_obj->p_uuid->type;
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uuid.uuid = (uint16_t)(*(uint16_t *)&p_service_obj->p_uuid->value[0]);
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if (sd_ble_gatts_service_add(p_service_obj->type,
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&uuid,
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&p_service_obj->handle) != 0)
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{
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
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"Can not add Service."));
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}
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}
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return true;
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}
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bool ble_drv_characteristic_add(ubluepy_characteristic_obj_t * p_char_obj) {
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ble_gatts_char_md_t char_md;
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ble_gatts_attr_md_t cccd_md;
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ble_gatts_attr_t attr_char_value;
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ble_uuid_t uuid;
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ble_gatts_attr_md_t attr_md;
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memset(&cccd_md, 0, sizeof(cccd_md));
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BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm);
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BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm);
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cccd_md.vloc = BLE_GATTS_VLOC_STACK;
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memset(&char_md, 0, sizeof(char_md));
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char_md.char_props.notify = 1;
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char_md.p_char_user_desc = NULL;
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char_md.p_char_pf = NULL;
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char_md.p_user_desc_md = NULL;
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char_md.p_cccd_md = &cccd_md;
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char_md.p_sccd_md = NULL;
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uuid.type = p_char_obj->p_uuid->type;
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uuid.uuid = (uint16_t)(*(uint16_t *)&p_char_obj->p_uuid->value[0]);
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memset(&attr_md, 0, sizeof(attr_md));
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BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.read_perm);
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BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.write_perm);
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attr_md.vloc = BLE_GATTS_VLOC_STACK;
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attr_md.rd_auth = 0;
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attr_md.wr_auth = 0;
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attr_md.vlen = 1;
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memset(&attr_char_value, 0, sizeof(attr_char_value));
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attr_char_value.p_uuid = &uuid;
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attr_char_value.p_attr_md = &attr_md;
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attr_char_value.init_len = sizeof(uint8_t);
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attr_char_value.init_offs = 0;
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attr_char_value.max_len = (GATT_MTU_SIZE_DEFAULT - 3);
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ble_gatts_char_handles_t handles;
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if (sd_ble_gatts_characteristic_add(p_char_obj->service_handle,
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&char_md,
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&attr_char_value,
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&handles) != 0) {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
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"Can not add Characteristic."));
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}
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// apply handles to object instance
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p_char_obj->handle = handles.value_handle;
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p_char_obj->user_desc_handle = handles.user_desc_handle;
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p_char_obj->cccd_handle = handles.cccd_handle;
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p_char_obj->sccd_handle = handles.sccd_handle;
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return true;
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}
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bool ble_drv_advertise_data(ubluepy_advertise_data_t * p_adv_params) {
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SD_TEST_OR_ENABLE();
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uint8_t byte_pos = 0;
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uint8_t adv_data[BLE_GAP_ADV_MAX_SIZE];
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if (p_adv_params->device_name_len > 0) {
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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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if (sd_ble_gap_device_name_set(&sec_mode,
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p_adv_params->p_device_name,
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p_adv_params->device_name_len) != 0) {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
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"Can not apply device name in the stack."));
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}
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BLE_DRIVER_LOG("Device name applied\n");
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adv_data[byte_pos] = (BLE_ADV_AD_TYPE_FIELD_SIZE + p_adv_params->device_name_len);
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byte_pos += BLE_ADV_LENGTH_FIELD_SIZE;
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adv_data[byte_pos] = BLE_GAP_AD_TYPE_COMPLETE_LOCAL_NAME;
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byte_pos += BLE_ADV_AD_TYPE_FIELD_SIZE;
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memcpy(&adv_data[byte_pos], p_adv_params->p_device_name, p_adv_params->device_name_len);
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// increment position counter to see if it fits, and in case more content should
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// follow in this adv packet.
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byte_pos += p_adv_params->device_name_len;
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}
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// set flags, default to disc mode
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adv_data[byte_pos] = (BLE_ADV_AD_TYPE_FIELD_SIZE + BLE_AD_TYPE_FLAGS_DATA_SIZE);
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byte_pos += BLE_ADV_LENGTH_FIELD_SIZE;
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adv_data[byte_pos] = BLE_GAP_AD_TYPE_FLAGS;
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byte_pos += BLE_AD_TYPE_FLAGS_DATA_SIZE;
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adv_data[byte_pos] = BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;
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byte_pos += 1;
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if (p_adv_params->num_of_services > 0) {
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bool type_16bit_present = false;
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bool type_128bit_present = false;
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for (uint8_t i = 0; i < p_adv_params->num_of_services; i++) {
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ubluepy_service_obj_t * p_service = (ubluepy_service_obj_t *)p_adv_params->p_services[i];
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if (p_service->p_uuid->type == UBLUEPY_UUID_16_BIT) {
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type_16bit_present = true;
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}
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if (p_service->p_uuid->type == UBLUEPY_UUID_128_BIT) {
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type_128bit_present = true;
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}
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}
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if (type_16bit_present) {
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uint8_t size_byte_pos = byte_pos;
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// skip length byte for now, apply total length post calculation
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byte_pos += BLE_ADV_LENGTH_FIELD_SIZE;
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adv_data[byte_pos] = BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_COMPLETE;
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byte_pos += BLE_ADV_AD_TYPE_FIELD_SIZE;
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uint8_t uuid_total_size = 0;
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uint8_t encoded_size = 0;
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for (uint8_t i = 0; i < p_adv_params->num_of_services; i++) {
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ubluepy_service_obj_t * p_service = (ubluepy_service_obj_t *)p_adv_params->p_services[i];
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ble_uuid_t uuid;
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uuid.type = p_service->p_uuid->type;
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uuid.uuid = (uint16_t)(*(uint16_t *)&p_service->p_uuid->value[0]);
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// calculate total size of uuids
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if (sd_ble_uuid_encode(&uuid, &encoded_size, NULL) != 0) {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
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"Can not encode UUID, to check length."));
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}
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// do encoding into the adv buffer
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if (sd_ble_uuid_encode(&uuid, &encoded_size, &adv_data[byte_pos]) != 0) {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
|
|
"Can encode UUID into the advertisment 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: %u, vs_idx: %u\n",
|
|
encoded_size, p_service->p_uuid->type,
|
|
(uint16_t)(*(uint16_t *)&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++) {
|
|
ubluepy_service_obj_t * p_service = (ubluepy_service_obj_t *)p_adv_params->p_services[i];
|
|
|
|
ble_uuid_t uuid;
|
|
uuid.type = p_service->p_uuid->uuid_vs_idx;
|
|
uuid.uuid = (uint16_t)(*(uint16_t *)&p_service->p_uuid->value[0]);
|
|
|
|
// 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,
|
|
"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,
|
|
"Can encode UUID into the advertisment 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: %u, vs_idx: %u\n",
|
|
encoded_size, p_service->p_uuid->type,
|
|
(uint16_t)(*(uint16_t *)&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);
|
|
}
|
|
}
|
|
|
|
// scan response data not set
|
|
if (sd_ble_gap_adv_data_set(adv_data, byte_pos, NULL, 0) != 0) {
|
|
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
|
|
"Can not apply advertisment data."));
|
|
}
|
|
BLE_DRIVER_LOG("Set Adv data size: " UINT_FMT "\n", byte_pos);
|
|
|
|
static ble_gap_adv_params_t m_adv_params;
|
|
|
|
// initialize advertising params
|
|
memset(&m_adv_params, 0, sizeof(m_adv_params));
|
|
m_adv_params.type = BLE_GAP_ADV_TYPE_ADV_IND;
|
|
m_adv_params.p_peer_addr = NULL; // undirected advertisement
|
|
m_adv_params.fp = BLE_GAP_ADV_FP_ANY;
|
|
m_adv_params.interval = MSEC_TO_UNITS(100, UNIT_0_625_MS); // approx 8 ms
|
|
m_adv_params.timeout = 0; // infinite advertisment
|
|
|
|
if (m_adv_in_progress && sd_ble_gap_adv_stop() != 0) {
|
|
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
|
|
"Can not stop advertisment."));
|
|
}
|
|
|
|
m_adv_in_progress = false;
|
|
uint32_t err_code = sd_ble_gap_adv_start(&m_adv_params);
|
|
if (err_code != 0) {
|
|
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
|
|
"Can not start advertisment. status: 0x" HEX2_FMT, (uint16_t)err_code));
|
|
}
|
|
|
|
m_adv_in_progress = true;
|
|
|
|
return true;
|
|
}
|
|
|
|
void ble_drv_attr_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,
|
|
"Can not read attribute value. status: 0x" HEX2_FMT, (uint16_t)err_code));
|
|
}
|
|
|
|
}
|
|
void ble_drv_attr_write(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_set(conn_handle, handle, &gatts_value);
|
|
|
|
if (err_code != 0) {
|
|
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
|
|
"Can not write attribute value. status: 0x" HEX2_FMT, (uint16_t)err_code));
|
|
}
|
|
}
|
|
|
|
void ble_drv_attr_notif(uint16_t conn_handle, uint16_t handle, uint16_t len, uint8_t * p_data) {
|
|
uint16_t hvx_len = len;
|
|
ble_gatts_hvx_params_t hvx_params;
|
|
|
|
memset(&hvx_params, 0, sizeof(hvx_params));
|
|
|
|
hvx_params.handle = handle;
|
|
hvx_params.type = BLE_GATT_HVX_NOTIFICATION;
|
|
hvx_params.offset = 0;
|
|
hvx_params.p_len = &hvx_len;
|
|
hvx_params.p_data = p_data;
|
|
|
|
uint32_t err_code = sd_ble_gatts_hvx(conn_handle, &hvx_params);
|
|
|
|
if (err_code != 0) {
|
|
nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
|
|
"Can not notify attribute value. status: 0x" HEX2_FMT, (uint16_t)err_code));
|
|
}
|
|
}
|
|
|
|
void ble_drv_gap_event_handler_set(mp_obj_t obj, ubluepy_gap_evt_callback_t evt_handler) {
|
|
mp_gap_observer = obj;
|
|
ubluepy_gap_event_handler = evt_handler;
|
|
}
|
|
|
|
void ble_drv_gatts_event_handler_set(mp_obj_t obj, ubluepy_gatts_evt_callback_t evt_handler) {
|
|
mp_gatts_observer = obj;
|
|
ubluepy_gatts_event_handler = evt_handler;
|
|
}
|
|
|
|
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;
|
|
ubluepy_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_GAP_EVT_DISCONNECTED:
|
|
BLE_DRIVER_LOG("GAP DISCONNECT\n");
|
|
ubluepy_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:
|
|
ubluepy_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");
|
|
ubluepy_gatts_event_handler(mp_gatts_observer, p_ble_evt->header.evt_id, p_ble_evt->evt.gatts_evt.params.write.handle, p_ble_evt->header.evt_len - (2 * sizeof(uint16_t)), NULL);
|
|
break;
|
|
|
|
case BLE_GAP_EVT_CONN_PARAM_UPDATE:
|
|
BLE_DRIVER_LOG("GAP CONN PARAM UPDATE\n");
|
|
break;
|
|
|
|
default:
|
|
BLE_DRIVER_LOG(">>> unhandled evt: 0x" HEX2_FMT, p_ble_evt->header.evt_id);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static uint8_t m_ble_evt_buf[sizeof(ble_evt_t) + (GATT_MTU_SIZE_DEFAULT)] __attribute__ ((aligned (4)));
|
|
|
|
#ifdef NRF51
|
|
void SWI2_IRQHandler(void) {
|
|
#else
|
|
void SWI2_EGU2_IRQHandler(void) {
|
|
#endif
|
|
|
|
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);
|
|
}
|