144 lines
4.7 KiB
C
144 lines
4.7 KiB
C
/*
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* This file is part of the MicroPython 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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* Copyright (c) 2018 Artur Pacholec
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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 "ble.h"
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#include "ble_drv.h"
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#include "nrfx_power.h"
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#include "nrf_nvic.h"
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#include "nrf_sdm.h"
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#include "py/runtime.h"
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#include "shared-bindings/bleio/Adapter.h"
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STATIC void softdevice_assert_handler(uint32_t id, uint32_t pc, uint32_t info) {
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mp_raise_msg_varg(&mp_type_AssertionError,
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translate("Soft device assert, id: 0x%08lX, pc: 0x%08lX"), id, pc);
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}
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STATIC uint32_t ble_stack_enable(void) {
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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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.accuracy = NRF_CLOCK_LF_ACCURACY_20_PPM
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};
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// The SD takes over the POWER IRQ and will fail if the IRQ is already in use
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nrfx_power_uninit();
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uint32_t err_code = sd_softdevice_enable(&clock_config, softdevice_assert_handler);
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if (err_code != NRF_SUCCESS)
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return err_code;
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err_code = sd_nvic_EnableIRQ(SD_EVT_IRQn);
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if (err_code != NRF_SUCCESS)
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return err_code;
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// Start with no event handlers, etc.
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ble_drv_reset();
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uint32_t app_ram_start;
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app_ram_start = 0x20004000;
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ble_cfg_t ble_conf;
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ble_conf.conn_cfg.conn_cfg_tag = BLE_CONN_CFG_TAG_CUSTOM;
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ble_conf.conn_cfg.params.gap_conn_cfg.conn_count = BLE_GAP_CONN_COUNT_DEFAULT;
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ble_conf.conn_cfg.params.gap_conn_cfg.event_length = BLE_GAP_EVENT_LENGTH_DEFAULT;
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err_code = sd_ble_cfg_set(BLE_CONN_CFG_GAP, &ble_conf, app_ram_start);
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if (err_code != NRF_SUCCESS)
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return err_code;
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memset(&ble_conf, 0, sizeof(ble_conf));
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ble_conf.gap_cfg.role_count_cfg.periph_role_count = 1;
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ble_conf.gap_cfg.role_count_cfg.central_role_count = 1;
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err_code = sd_ble_cfg_set(BLE_GAP_CFG_ROLE_COUNT, &ble_conf, app_ram_start);
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if (err_code != NRF_SUCCESS)
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return err_code;
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memset(&ble_conf, 0, sizeof(ble_conf));
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ble_conf.conn_cfg.conn_cfg_tag = BLE_CONN_CFG_TAG_CUSTOM;
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ble_conf.conn_cfg.params.gatts_conn_cfg.hvn_tx_queue_size = MAX_TX_IN_PROGRESS;
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err_code = sd_ble_cfg_set(BLE_CONN_CFG_GATTS, &ble_conf, app_ram_start);
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if (err_code != NRF_SUCCESS)
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return err_code;
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err_code = sd_ble_enable(&app_ram_start);
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return err_code;
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}
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void common_hal_bleio_adapter_set_enabled(bool enabled) {
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const bool is_enabled = common_hal_bleio_adapter_get_enabled();
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// Don't enable or disable twice
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if ((is_enabled && enabled) || (!is_enabled && !enabled)) {
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return;
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}
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uint32_t err_code;
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if (enabled) {
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err_code = ble_stack_enable();
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} else {
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err_code = sd_softdevice_disable();
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}
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if (err_code != NRF_SUCCESS) {
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mp_raise_OSError_msg(translate("Failed to change softdevice state"));
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}
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}
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bool common_hal_bleio_adapter_get_enabled(void) {
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uint8_t is_enabled;
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const uint32_t err_code = sd_softdevice_is_enabled(&is_enabled);
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if (err_code != NRF_SUCCESS) {
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mp_raise_OSError_msg(translate("Failed to get softdevice state"));
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}
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return is_enabled;
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}
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void common_hal_bleio_adapter_get_address(bleio_address_obj_t *address) {
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ble_gap_addr_t local_address;
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uint32_t err_code;
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common_hal_bleio_adapter_set_enabled(true);
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#if (BLE_API_VERSION == 2)
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err_code = sd_ble_gap_address_get(&local_address);
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#else
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err_code = sd_ble_gap_addr_get(&local_address);
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#endif
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if (err_code != NRF_SUCCESS) {
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mp_raise_OSError_msg(translate("Failed to get local address"));
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}
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address->type = local_address.addr_type;
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memcpy(address->value, local_address.addr, BLEIO_ADDRESS_BYTES);
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}
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