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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Dan Halbert for Adafruit Industries
* Copyright (c) 2019 Artur Pacholec
*
* 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.
*/
#include <math.h>
#include "common-hal/microcontroller/Processor.h"
#include "shared-bindings/microcontroller/ResetReason.h"
#include "fsl_tempmon.h"
#include "fsl_ocotp.h"
#include "clocks.h"
float common_hal_mcu_processor_get_temperature(void) {
tempmon_config_t config;
TEMPMON_GetDefaultConfig(&config);
OCOTP_Init(OCOTP, CLOCK_GetFreq(kCLOCK_IpgClk));
TEMPMON_Init(TEMPMON, &config);
TEMPMON_StartMeasure(TEMPMON);
const float temp = TEMPMON_GetCurrentTemperature(TEMPMON);
TEMPMON_Deinit(TEMPMON);
OCOTP_Deinit(OCOTP);
return temp;
}
float common_hal_mcu_processor_get_voltage(void) {
return NAN;
}
uint32_t common_hal_mcu_processor_get_frequency(void) {
return SystemCoreClock;
}
void common_hal_mcu_processor_get_uid(uint8_t raw_id[]) {
OCOTP_Init(OCOTP, CLOCK_GetFreq(kCLOCK_IpgClk));
// Reads shadow registers 0x01 - 0x04 (Configuration and Manufacturing Info)
// into 8 bit wide destination, avoiding punning.
for (int i = 0; i < 4; ++i) {
uint32_t wr = OCOTP_ReadFuseShadowRegister(OCOTP, i + 1);
for (int j = 0; j < 4; j++) {
raw_id[i*4+j] = wr & 0xff;
wr >>= 8;
}
}
OCOTP_Deinit(OCOTP);
}
mcu_reset_reason_t common_hal_mcu_processor_get_reset_reason(void) {
return RESET_REASON_UNKNOWN;
}
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