52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
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/**
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@copyright (C) 2017 Melexis N.V.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#ifndef _MLX90640_I2C_Driver_H_
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#define _MLX90640_I2C_Driver_H_
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#include <stdint.h>
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//Define the size of the I2C buffer based on the platform the user has
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//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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#if defined(__AVR_ATmega328P__) || defined(__AVR_ATmega168__)
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//I2C_BUFFER_LENGTH is defined in Wire.H
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#define I2C_BUFFER_LENGTH BUFFER_LENGTH
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#elif defined(__SAMD21G18A__)
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//SAMD21 uses RingBuffer.h
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#define I2C_BUFFER_LENGTH SERIAL_BUFFER_SIZE
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#elif __MK20DX256__
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//Teensy 3.2
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#define I2C_BUFFER_LENGTH 32
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#else
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//The catch-all default is 32
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#define I2C_BUFFER_LENGTH 32
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#endif
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//-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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void MLX90640_I2CInit(void);
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int MLX90640_I2CRead(uint8_t slaveAddr, unsigned int startAddress, unsigned int nWordsRead, uint16_t *data);
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int MLX90640_I2CWrite(uint8_t slaveAddr, unsigned int writeAddress, uint16_t data);
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void MLX90640_I2CFreqSet(int freq);
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#endif
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