102 lines
3.3 KiB
C
102 lines
3.3 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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* Copyright (c) 2019 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 <math.h>
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#include "py/runtime.h"
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#include "common-hal/microcontroller/Processor.h"
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#include "shared-bindings/microcontroller/Processor.h"
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#include "shared-bindings/microcontroller/ResetReason.h"
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#if CIRCUITPY_ANALOGIO
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#include "sdk/drivers/tempmon/fsl_tempmon.h"
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#endif
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#include "sdk/drivers/ocotp/fsl_ocotp.h"
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#include "clocks.h"
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float common_hal_mcu_processor_get_temperature(void) {
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#if CIRCUITPY_ANALOGIO
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tempmon_config_t config;
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TEMPMON_GetDefaultConfig(&config);
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OCOTP_Init(OCOTP, CLOCK_GetFreq(kCLOCK_IpgClk));
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TEMPMON_Init(TEMPMON, &config);
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TEMPMON_StartMeasure(TEMPMON);
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const float temp = TEMPMON_GetCurrentTemperature(TEMPMON);
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TEMPMON_Deinit(TEMPMON);
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OCOTP_Deinit(OCOTP);
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return temp;
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#else
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return NAN;
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#endif
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}
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void common_hal_mcu_processor_set_frequency(mcu_processor_obj_t *self,
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uint32_t frequency) {
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uint32_t freq = frequency / 1000000;
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if (freq != 24 && freq != 150 && freq != 396 && freq != 450 && freq != 528 && freq != 600 &&
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freq != 720 && freq != 816 && freq != 912 && freq != 960 && freq != 1008) {
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mp_raise_ValueError(translate("Frequency must be 24, 150, 396, 450, 528, 600, 720, 816, 912, 960 or 1008 Mhz"));
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}
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SystemCoreClock = setarmclock(frequency);
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}
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float common_hal_mcu_processor_get_voltage(void) {
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return NAN;
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}
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uint32_t common_hal_mcu_processor_get_frequency(void) {
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return SystemCoreClock;
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}
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void common_hal_mcu_processor_get_uid(uint8_t raw_id[]) {
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#if IMXRT11XX
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OCOTP_Init(OCOTP, CLOCK_GetFreq(kCLOCK_Ocotp));
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#else
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OCOTP_Init(OCOTP, CLOCK_GetFreq(kCLOCK_IpgClk));
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#endif
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// Reads shadow registers 0x01 - 0x04 (Configuration and Manufacturing Info)
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// into 8 bit wide destination, avoiding punning.
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for (int i = 0; i < 4; ++i) {
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uint32_t wr = OCOTP_ReadFuseShadowRegister(OCOTP, i + 1);
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for (int j = 0; j < 4; j++) {
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raw_id[i * 4 + j] = wr & 0xff;
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wr >>= 8;
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}
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}
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OCOTP_Deinit(OCOTP);
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}
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mcu_reset_reason_t common_hal_mcu_processor_get_reset_reason(void) {
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return RESET_REASON_UNKNOWN;
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}
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