da733c01da
This introduces the new macro SAM_D5X_E5X. This is mostly the same as SAMD51 before, except in a few places where a special case for SAME54 is required
60 lines
2.1 KiB
C
60 lines
2.1 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) 2018 Michael Schroeder
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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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#ifndef MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_FREQUENCYIO_FREQUENCYIN_H
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#define MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_FREQUENCYIO_FREQUENCYIN_H
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#include "common-hal/microcontroller/Pin.h"
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#include "py/obj.h"
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typedef struct {
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mp_obj_base_t base;
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uint8_t tc_index;
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uint8_t pin;
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uint8_t channel;
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uint8_t event_channel;
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uint32_t frequency;
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volatile uint64_t last_ns;
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float factor;
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uint32_t capture_period;
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uint8_t TC_IRQ;
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volatile bool errored_too_fast;
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} frequencyio_frequencyin_obj_t;
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void frequencyin_interrupt_handler(uint8_t index);
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void frequencyin_emergency_cancel_capture(uint8_t index);
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void frequencyin_reference_tc_init(void);
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void frequencyin_reference_tc_enable(bool enable);
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bool frequencyin_reference_tc_enabled(void);
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#ifdef SAM_D5X_E5X
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void frequencyin_samd51_start_dpll(void);
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void frequencyin_samd51_stop_dpll(void);
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#endif
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#endif // MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_FREQUENCYIO_FREQUENCYIN_H
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