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Merge pull request analogdevicesinc#71 from sunnyanalog/master
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New menu, more printouts, bug fixes
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@sunnyanalog
sunnyanalog authored May 19, 2022
2 parents 74568f2 + 6bd6b49 commit bff9185
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183 changes: 143 additions & 40 deletions LTSketchbook/Part Number/6000/6602/DC1304B_A/DC1304B_A.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,7 @@ ongoing work.
#include "UserInterface.h"
#include "QuikEval_EEPROM.h"
#include "LTC6603.h"
#include "LTC6602.h"
#include "LTC6903.h"
#include "DC1304.h"
#include <SPI.h>
Expand All @@ -96,6 +97,7 @@ void menu_1_set_filter(); // Set filter parameters based on user requirement
void menu_2_set_gpo(); // Sets the GPO
void menu_3_shutdown(); // Shuts down the LTC6603
void menu_4_poweron(); // Power up the LTC6603
void default_state_freq_and_gain(); //Sets Default State for Filter Board

// Global variables
uint8_t filter_gain_settings = LTC6603_GAIN_0dB;
Expand All @@ -106,22 +108,26 @@ uint8_t shdn_settings = LTC6603_SHDN;
float freq_settings = LTC6603_FREQ_MIN;
static uint8_t LTC6903_output_config = LTC6903_CLK_ON_CLK_INV_ON; //!< Keeps track of output configuration.

//commment one and leave the other uncommented in order to determine the correct algorithm for either the LTC6602 or ltc6603 chip
//#define device_LTC6603
#define device_LTC6602

//Declaring a Class for a specific device
//.... device(...) is a function in ltc6603//ltc6903 class and we're inputting the chip select code here for initializing the class
LTC6603 device(LTC6603_CS);
LTC6903 clock_device(LTC6903_CS);

//This is used to create 3 struct's called "range"
#define num_freq_ranges 3

struct frequency_range
{
float range_lower;
float range_upper;
}range[num_freq_ranges];
} range[num_freq_ranges];



//! Initialize Linduino
void setup()
{
Expand Down Expand Up @@ -171,6 +177,9 @@ void loop()
case 4:
menu_5_set_gain();
break;
case 5:
default_state_freq_and_gain();
break;
default:
Serial.println("Incorrect Option");
break;
Expand Down Expand Up @@ -231,14 +240,16 @@ void menu_1_set_filter()

#ifdef device_LTC6602
{
Serial.print("\n\n1. " + String(required_fclk/6000) + " KHz");
Serial.print("\n2. " + String(required_fclk/3000) + " KHz");
Serial.print("\n3. " + String(required_fclk/1000) + " KHz");
Serial.print("\n4. No HPF");
Serial.print(F("\nSelect the required high pass cut off frequency: "));
Serial.print("\n\n1. " + String(required_fclk/6000) + " KHz");
Serial.print("\n2. " + String(required_fclk/3000) + " KHz");
Serial.print("\n3. " + String(required_fclk/1000) + " KHz");
Serial.print("\n4. No HPF");
Serial.print(F("\nSelect the required high pass cut off frequency: "));

uint8_t command = read_int();
// set 6602 HPF0, HPF1
uint8_t command = read_int();
Serial.println(command);
// set 6602 HPF0, HPF1
Serial.println("Setting up HPF.");
device.set_control_byte(LTC6602_HPF_MASK, device.get_HPF_bits(command - 1));
device.print_control_byte();
if(device.check_device_ready())
Expand All @@ -251,7 +262,7 @@ void menu_1_set_filter()
}
switch(Freq_range)
{
case 0:
case 0: sampling_f = required_fclk/3; break;
case 1: sampling_f = required_fclk/3; break;
case 2: sampling_f = required_fclk; break;
}
Expand All @@ -261,15 +272,15 @@ void menu_1_set_filter()
}
#else ifdef device_LTC6603
{
switch(Freq_range)
{
case 0: sampling_f = required_fclk/4; break;
case 1: sampling_f = required_fclk/2; break;
case 2: sampling_f = required_fclk; break;
}
Serial.print(F("\nSampling frequency = "));
Serial.print(sampling_f);
Serial.print(F("kHz\n"));
switch(Freq_range)
{
case 0: sampling_f = required_fclk/4; break;
case 1: sampling_f = required_fclk/2; break;
case 2: sampling_f = required_fclk; break;
}
Serial.print(F("\nSampling frequency = "));
Serial.print(sampling_f);
Serial.print(F("kHz\n"));
}
#endif
}
Expand All @@ -288,20 +299,27 @@ void menu_2_set_gpo()
Serial.print(F("\nEnter a Command: "));
user_command = read_int(); // Read the single command
if (user_command == 'm')
{
Serial.println(user_command);
return;
}
else
Serial.println(user_command);
Serial.println();
{
Serial.println(user_command);
Serial.println();
}
switch (user_command)
{
case 0:
Serial.println("Setting GPIO Low");
device.set_control_byte(LTC6603_GPO_MASK, LTC6603_GPO_LOW);
break;
case 1:
Serial.println("Setting GPIO High");
device.set_control_byte(LTC6603_GPO_MASK, LTC6603_GPO_HIGH);
break;
default:
Serial.println (F("Incorrect Option"));
Serial.println (F("incorrect option"));
break;
}
device.print_control_byte();
Expand Down Expand Up @@ -336,31 +354,115 @@ void menu_5_set_gain()
Serial.print(F("\nEnter a Command: "));
user_command = read_int(); // Read the single command
if (user_command == 'm')
{
Serial.println(user_command);
return;
}
else
{
Serial.println(user_command);
Serial.println();
switch (user_command)
{
case 0:
device.set_control_byte(LTC6603_GAIN_MASK, LTC6603_GAIN_0dB);
break;
case 1:
device.set_control_byte(LTC6603_GAIN_MASK, LTC6603_GAIN_6dB);
break;
case 2:
device.set_control_byte(LTC6603_GAIN_MASK, LTC6603_GAIN_12dB);
break;
case 3:
device.set_control_byte(LTC6603_GAIN_MASK, LTC6603_GAIN_24dB);
break;
default:
Serial.println (F("Incorrect Option"));
}
}
switch (user_command)
{
case 0:
Serial.println("Setting Gain to 0dB");
device.set_control_byte(LTC6603_GAIN_MASK, LTC6603_GAIN_0dB);
break;
case 1:
Serial.println("Setting Gain to 12dB");
device.set_control_byte(LTC6603_GAIN_MASK, LTC6603_GAIN_6dB);
break;
case 2:
Serial.println("Setting Gain to 24dB");
device.set_control_byte(LTC6603_GAIN_MASK, LTC6603_GAIN_12dB);
break;
case 3:
Serial.println("Setting Gain to 30dB");
device.set_control_byte(LTC6603_GAIN_MASK, LTC6603_GAIN_24dB);
break;
default:
Serial.println (F("incorrect option"));
}
device.print_control_byte();
}
}

// This function was added to create a default state for the DC1304B-X in case there is some error in programming
void default_state_freq_and_gain()
{
float LP_cutoff_f, HP_cutoff_f; // Cut off frequency
float required_fclk;
float sampling_f;

// set 6903 to Fclk
LP_cutoff_f = 20;
required_fclk = LP_cutoff_f * device.get_multiplier(0);
Serial.print("\nFclk in KHz: " + String(required_fclk));
clock_device.set_frequency(required_fclk);

// set 6603 LPF0, LPF1
Serial.print("\nSetting LPF corner to 20 KHz");
device.set_control_byte(LTC6603_LPF_MASK, device.get_LPF_bits(0));
device.print_control_byte();
if (device.check_device_ready())
{
Serial.print(F("\nDevice ready"));
}
else
{
Serial.print(F("\nDevice not ready"));
}

Serial.println();
//This sets gain to 0 after printing whether device is ready
Serial.print("\nSetting Gain to 0 dB. ");
device.set_control_byte(LTC6603_GAIN_MASK, LTC6603_GAIN_0dB);
device.print_control_byte();
Serial.println();

#ifdef device_LTC6602
{

// set 6602 HPF0, HPF1

Serial.print("\nSetting HPF Corner Frequency to " + String(required_fclk / 6000) + " KHz");
device.set_control_byte(LTC6602_HPF_MASK, device.get_HPF_bits(0));
device.print_control_byte();
if (device.check_device_ready())
{
Serial.print(F("\nDevice ready"));
}
else
{
Serial.print(F("\nDevice not ready"));
}
//Sampling frequency is equal to fclk/3 because LPF0 = 0
sampling_f = required_fclk / 3;
Serial.print(F("\nSampling frequency = "));
Serial.print(sampling_f);
Serial.print(F("kHz\n"));
}
#else ifdef device_LTC6603
{

sampling_f = required_fclk / 4;

if (device.check_device_ready())
{
Serial.print(F("\nDevice ready"));
}
else
{
Serial.print(F("\nDevice not ready"));
}

Serial.print(F("\nSampling frequency = "));
Serial.print(sampling_f);
Serial.print(F("kHz\n"));
}
#endif
}

//! Prints the title block when program first starts.
void print_title()
Expand All @@ -383,6 +485,7 @@ void print_prompt()
Serial.print(F("2-LTC660x: Power Down\n"));
Serial.print(F("3-LTC660x: Power Up\n"));
Serial.print(F("4-LTC660x: Set Gain\n"));
Serial.print(F("5-LTC660x: Reset / Default State\n"));
Serial.println();
Serial.print(F("Enter a command:"));
}
Expand Down
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