0552ce2d3b
This keeps the mutex info in the same spot in memory. "Statically allocating it" with CircuitPython meant that the buffer moved when the I2C object is moved to keep it alive for a display. Fixes #4962
49 lines
1.8 KiB
C
49 lines
1.8 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 Scott Shawcroft
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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_ESP32S2_COMMON_HAL_BUSIO_I2C_H
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#define MICROPY_INCLUDED_ESP32S2_COMMON_HAL_BUSIO_I2C_H
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#include "common-hal/microcontroller/Pin.h"
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#include "components/hal/include/hal/i2c_types.h"
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#include "FreeRTOS.h"
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#include "freertos/semphr.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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const mcu_pin_obj_t *scl_pin;
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const mcu_pin_obj_t *sda_pin;
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i2c_port_t i2c_num;
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SemaphoreHandle_t xSemaphore;
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bool has_lock;
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} busio_i2c_obj_t;
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void i2c_reset(void);
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#endif // MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_BUSIO_I2C_H
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