c0029e1d97
Before this change, `microcontroller.cpu.uid` returned values where the top 4 bits of each byte were zero, because of an incorrect bitmask used in this function.
83 lines
2.4 KiB
C
83 lines
2.4 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) 2017 Dan Halbert for Adafruit Industries
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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 "common-hal/microcontroller/Processor.h"
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#include "py/runtime.h"
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#ifdef BLUETOOTH_SD
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#include "nrf_sdm.h"
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#endif
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#include "nrf.h"
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float common_hal_mcu_processor_get_temperature(void) {
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int32_t temp = 0;
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#ifdef BLUETOOTH_SD
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uint8_t sd_en = 0;
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(void) sd_softdevice_is_enabled(&sd_en);
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if (sd_en) {
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uint32_t err_code = sd_temp_get(&temp);
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if (err_code != NRF_SUCCESS) {
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError,
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"Can not get temperature. status: 0x" HEX2_FMT, (uint16_t)err_code));
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return 0;
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}
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}
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#endif
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NRF_TEMP->TASKS_START = 1;
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while (NRF_TEMP->EVENTS_DATARDY == 0)
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;
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NRF_TEMP->EVENTS_DATARDY = 0;
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temp = NRF_TEMP->TEMP;
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NRF_TEMP->TASKS_STOP = 1;
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return temp / 4.0f;
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}
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uint32_t common_hal_mcu_processor_get_frequency(void) {
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return 64000000ul;
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}
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void common_hal_mcu_processor_get_uid(uint8_t raw_id[]) {
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uint32_t* id_addresses[2] = {(uint32_t *) 0x060, (uint32_t *) 0x064};
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for (int i=0; i<2; i++) {
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for (int k=0; k<4; k++) {
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raw_id[4 * i + k] = (*(id_addresses[i]) >> k * 8) & 0xff;
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}
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}
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}
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