114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/*!
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ADBMS181x hardware library
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@verbatim
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This library contains all of the hardware dependant functions used by the bms
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code
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@endverbatim
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Copyright 2018(c) Analog Devices, Inc.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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- Neither the name of Analog Devices, Inc. nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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- The use of this software may or may not infringe the patent rights
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of one or more patent holders. This license does not release you
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from the requirement that you obtain separate licenses from these
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patent holders to use this software.
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- Use of the software either in source or binary form, must be run
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on or directly connected to an Analog Devices Inc. component.
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THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Copyright 2017 Linear Technology Corp. (LTC)
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*/
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#include <Arduino.h>
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#include <stdint.h>
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#include "bms_hardware.h"
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#include "Linduino.h"
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#include "LT_SPI.h"
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#include <SPI.h>
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void cs_low(uint8_t pin)
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{
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output_low(pin);
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}
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void cs_high(uint8_t pin)
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{
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output_high(pin);
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}
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void delay_u(uint16_t micro)
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{
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delayMicroseconds(micro);
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}
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void delay_m(uint16_t milli)
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{
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delay(milli);
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}
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/*
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Writes an array of bytes out of the SPI port
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*/
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void spi_write_array(uint8_t len, // Option: Number of bytes to be written on the SPI port
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uint8_t data[] //Array of bytes to be written on the SPI port
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)
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{
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for (uint8_t i = 0; i < len; i++)
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{
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SPI.transfer((int8_t)data[i]);
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}
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}
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/*
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Writes and read a set number of bytes using the SPI port.
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*/
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void spi_write_read(uint8_t tx_Data[],//array of data to be written on SPI port
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uint8_t tx_len, //length of the tx data arry
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uint8_t *rx_data,//Input: array that will store the data read by the SPI port
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uint8_t rx_len //Option: number of bytes to be read from the SPI port
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)
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{
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for (uint8_t i = 0; i < tx_len; i++)
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{
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SPI.transfer(tx_Data[i]);
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}
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for (uint8_t i = 0; i < rx_len; i++)
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{
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rx_data[i] = (uint8_t)SPI.transfer(0xFF);
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}
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}
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uint8_t spi_read_byte(uint8_t tx_dat)
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{
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uint8_t data;
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data = (uint8_t)SPI.transfer(0xFF);
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return(data);
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}
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