/*!
LTC2983_support_functions.h:
This file contains all the support function prototypes used in the main program.


http://www.linear.com/product/LTC2983

http://www.linear.com/product/LTC2983#demoboards

$Revision: 1.3.4 $
$Date: October 5, 2016 $
Copyright (c) 2014, Linear Technology Corp.(LTC)
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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of the authors and should not be interpreted as representing official policies,
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The Linear Technology Linduino is not affiliated with the official Arduino team.
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12/15/2017 - Rob Derstadt <rob@evilbrisket.com> 
Modified to work on RaspberryPi using bcm2835 library and Evil Brisket temperature board. The LTC2983 
configuration in this file is specific to the Evil Brisket Board.

*/

typedef union CustomTableValue
{
	float value;
	uint8_t buffer[4];

} CustomTableValue;

float measure_temperature(uint8_t channel_number, uint8_t* fault);
void configure_channels();			
void configure_memory_table(int manufacturer);
void configure_global_parameters();
void assign_channel(uint8_t channel_number, uint32_t channel_assignment_data);
void write_custom_steinhart_hart(float steinhart_hart_coeffs[6], uint16_t start_address);
void measure_channel(uint8_t channel_number, uint8_t channel_output);
void convert_channel(uint8_t channel_number);
void wait_for_process_to_finish();
void get_result(uint8_t channel_number, uint8_t channel_output);
void print_conversion_result(uint32_t raw_conversion_result, uint8_t channel_output);
void read_voltage_or_resistance_results(uint8_t channel_number);
void print_fault_data(uint8_t fault_byte);
uint32_t transfer_four_bytes(uint8_t read_or_write, uint16_t start_address, uint32_t input_data);
uint8_t transfer_byte(uint8_t read_or_write, uint16_t start_address, uint8_t input_data);
uint16_t get_start_address(uint16_t base_address, uint8_t channel_number);