Linduino  1.3.0
Linear Technology Arduino-Compatible Demonstration Board
2986/DC2211_UNIVERSAL_TEMPERATURE_MEASUREMENT_BOARD/DC2211_UNIVERSAL_TEMPERATURE_MEASUREMENT_BOARD.ino
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1 /*!
2 LTC2986: Multi-Sensor High Accuracy Digital Temperature Measurement System
3 @verbatim
4 
5 DC2211_UNIVERSAL_TEMPERATURE_MEASUREMENT_BOARD.ino:
6 Generated Linduino code from the LTC2986 Demo Software.
7 This code is designed to be used by a Linduino,
8 but can also be used to understand how to program the LTC2986.
9 
10 
11 @endverbatim
12 
13 http://www.linear.com/product/LTC2986
14 
15 http://www.linear.com/product/LTC2986#demoboards
16 
17 Copyright 2018(c) Analog Devices, Inc.
18 
19 All rights reserved.
20 
21 Redistribution and use in source and binary forms, with or without
22 modification, are permitted provided that the following conditions are met:
23  - Redistributions of source code must retain the above copyright
24  notice, this list of conditions and the following disclaimer.
25  - Redistributions in binary form must reproduce the above copyright
26  notice, this list of conditions and the following disclaimer in
27  the documentation and/or other materials provided with the
28  distribution.
29  - Neither the name of Analog Devices, Inc. nor the names of its
30  contributors may be used to endorse or promote products derived
31  from this software without specific prior written permission.
32  - The use of this software may or may not infringe the patent rights
33  of one or more patent holders. This license does not release you
34  from the requirement that you obtain separate licenses from these
35  patent holders to use this software.
36  - Use of the software either in source or binary form, must be run
37  on or directly connected to an Analog Devices Inc. component.
38 
39 THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
40 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
41 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
42 IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
43 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
44 LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
45 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
46 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
47 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
48 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
49 */
50 
51 
52 
53 /*! @file
54  @ingroup LTC2986
55 
56 */
57 
58 
59 
60 
61 #include <Arduino.h>
62 #include <stdint.h>
63 #include <stdbool.h>
64 #include "SPI.h"
65 #include "Wire.h"
66 #include "Linduino.h"
67 #include "LT_SPI.h"
68 #include "UserInterface.h"
69 #include "LT_I2C.h"
70 #include "QuikEval_EEPROM.h"
71 #include "stdio.h"
72 #include "math.h"
73 
76 #include "table_coeffs_LTC2986.h"
77 
78 #define CHIP_SELECT QUIKEVAL_CS // Chip select pin
79 
80 // Function prototypes
81 void configure_channels();
83 
84 
85 // -------------- Configure the LTC2986 -------------------------------
86 void setup()
87 {
88  char demo_name[]="DC2508"; // Demo Board Name stored in QuikEval EEPROM
89  quikeval_I2C_init(); // Configure the EEPROM I2C port for 100kHz
90  quikeval_SPI_init(); // Configure the spi port for 4MHz SCK
91  quikeval_SPI_connect(); // Connect SPI to main data port
92  pinMode(CHIP_SELECT, OUTPUT); // Configure chip select pin on Linduino
93 
94  Serial.begin(115200); // Initialize the serial port to the PC
95  print_title();
96  discover_demo_board(demo_name);
97 
100 }
101 
102 
104 {
105  uint8_t channel_number;
106  uint32_t channel_assignment_data;
107 
108  // ----- Channel 2: Assign Sense Resistor -----
109  channel_assignment_data =
111  (uint32_t) 0x1F4000 << SENSE_RESISTOR_VALUE_LSB; // sense resistor - value: 2000.
112  assign_channel(CHIP_SELECT, 2, channel_assignment_data);
113  // ----- Channel 6: Assign Off-Chip Diode -----
114  channel_assignment_data =
120  (uint32_t) 0x100C49 << DIODE_IDEALITY_FACTOR_LSB; // diode - ideality factor(eta): 1.00299930572509765625
121  assign_channel(CHIP_SELECT, 6, channel_assignment_data);
122 
123 }
124 
125 
126 
127 
129 {
130  // -- Set global parameters
133  // -- Set any extra delay between conversions (in this case, 0*100us)
135 }
136 
137 // -------------- Run the LTC2986 -------------------------------------
138 
139 void loop()
140 {
141  measure_channel(CHIP_SELECT, 6, TEMPERATURE); // Ch 6: Off-Chip Diode
142 }
#define TEMPERATURE
void assign_channel(uint8_t chip_select, uint8_t channel_number, uint32_t channel_assignment_data)
Header File for Linduino Libraries and Demo Code.
#define DIODE_NUM_READINGS__2
#define SENSOR_TYPE__OFF_CHIP_DIODE
QuikEval EEPROM Library.
LTC2986: Multi-Sensor High Accuracy Digital Temperature Measurement System.
#define DIODE_CURRENT__20UA_80UA_160UA
void quikeval_SPI_init(void)
Configure the SPI port for 4Mhz SCK.
Definition: LT_SPI.cpp:151
int8_t discover_demo_board(char *demo_name)
Read the ID string from the EEPROM and determine if the correct board is connected.
#define REJECTION__50_60_HZ
static void print_title()
Prints the title block when program first starts.
LT_SPI: Routines to communicate with ATmega328P&#39;s hardware SPI port.
void measure_channel(uint8_t chip_select, uint8_t channel_number, uint8_t channel_output)
#define DIODE_SINGLE_ENDED
LT_I2C: Routines to communicate with ATmega328P&#39;s hardware I2C port.
#define DIODE_AVERAGING_OFF
char demo_name[]
Demo Board Name stored in QuikEval EEPROM.
Definition: DC1880A.ino:97
void quikeval_SPI_connect()
Connect SPI pins to QuikEval connector through the Linduino MUX. This will disconnect I2C...
Definition: LT_SPI.cpp:138
LTC2986: Multi-Sensor High Accuracy Digital Temperature Measurement System.
#define DIODE_IDEALITY_FACTOR_LSB
void quikeval_I2C_init(void)
Initializes Linduino I2C port.
Definition: LT_I2C.cpp:394
#define SENSE_RESISTOR_VALUE_LSB
#define SENSOR_TYPE__SENSE_RESISTOR
uint8_t transfer_byte(uint8_t chip_select, uint8_t ram_read_or_write, uint16_t start_address, uint8_t input_data)