ADT74xx temperature sensor evaluation firmware.

Dependencies:   platform_drivers ADT73xx-ADT74xx

Revision:
1:af9efbb9e9c5
Parent:
0:782471fb58f7
Child:
5:f92081816fb7
--- a/main.cpp	Tue Aug 27 21:06:07 2019 +0000
+++ b/main.cpp	Wed Aug 28 15:38:19 2019 +0000
@@ -1,58 +1,778 @@
-/* Copyright (c) 2019 Analog Devices, Inc.  All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification, 
-are permitted provided that the following conditions are met:
-  - Redistributions of source code must retain the above copyright notice, 
-  this list of conditions and the following disclaimer.
-  - 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.  
-  - Modified versions of the software must be conspicuously marked as such.
-  - This software is licensed solely and exclusively for use with processors/products 
-  manufactured by or for Analog Devices, Inc.
-  - This software may not be combined or merged with other code in any manner 
-  that would cause the software to become subject to terms and conditions which 
-  differ from those listed here.
-  - Neither the name of Analog Devices, Inc. nor the names of its contributors 
-  may be used to endorse or promote products derived from this software without 
-  specific prior written permission.
-  - The use of this software may or may not infringe the patent rights of one or 
-  more patent holders.  This license does not release you from the requirement 
-  that you obtain separate licenses from these patent holders to use this software.
-
-THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. AND CONTRIBUTORS "AS IS" AND 
-ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, 
-TITLE, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 
-NO EVENT SHALL ANALOG DEVICES, INC. OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
-INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES 
-(INCLUDING, BUT NOT LIMITED TO, DAMAGES ARISING OUT OF CLAIMS OF INTELLECTUAL 
-PROPERTY RIGHTS INFRINGEMENT; 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 SOFTWARE, 
-EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-2019-01-10-7CBSD SLA
-
- */
-
-#include "mbed.h"
-
-Serial pc(USBTX, USBRX); // tx, rx
-DigitalOut awakeSignal(LED4);
-DigitalOut led1(LED1);
-
-#define SLEEP_TIME                  500 // (msec)
-
-// main() runs in its own thread in the OS
-int main()
-{
-    awakeSignal = 1;
-    pc.printf("Hello World!");
-    while (true) {
-        // Blink LED and wait 0.5 seconds
-        led1 = !led1;
-        wait_ms(SLEEP_TIME); 
-    }
-}
-
+/*************************************************************************//**
+ *   @file   main.cpp
+ *   @brief  Main application code for EVAL-TempSense-ARDZ mbed example program
+ *   @author ssmith (sean.smith@analog.com)
+******************************************************************************
+* Copyright (c) 2019 Analog Devices, Inc.  
+* 
+* All rights reserved.
+* 
+* Redistribution and use in source and binary forms, with or without 
+* modification, are permitted provided that the following conditions are met:
+*   - Redistributions of source code must retain the above copyright notice, 
+*     this list of conditions and the following disclaimer.
+*   - 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.  
+*   - Modified versions of the software must be conspicuously marked as such.
+*   - This software is licensed solely and exclusively for use with 
+*     processors/products manufactured by or for Analog Devices, Inc.
+*   - This software may not be combined or merged with other code in any manner 
+*     that would cause the software to become subject to terms and 
+*     conditions which differ from those listed here.
+*   - Neither the name of Analog Devices, Inc. nor the names of its 
+*     contributors may be used to endorse or promote products derived 
+*     from this software without specific prior written permission.
+*   - The use of this software may or may not infringe the patent rights 
+*     of one or more patent holders. This license does not release you from 
+*     the requirement that you obtain separate licenses from these patent 
+*     holders to use this software.
+* 
+* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. AND CONTRIBUTORS "AS IS" 
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
+* NON-INFRINGEMENT, TITLE, MERCHANTABILITY AND FITNESS FOR A 
+* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES, 
+* INC. OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+* SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES 
+* (INCLUDING, BUT NOT LIMITED TO, DAMAGES ARISING OUT OF CLAIMS OF 
+* INTELLECTUAL PROPERTY RIGHTS INFRINGEMENT; 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 SOFTWARE, EVEN IF ADVISED OF THE 
+* POSSIBILITY OF SUCH DAMAGE.
+* 
+* 20180927-7CBSD SLA
+*****************************************************************************/
+#include <cstdio>
+#include <mbed.h>
+#include "app_config.h"
+#include <cmath>
+
+#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
+
+#define TEMP_MIN                -40
+#define TEMP_MAX                150
+#define MAX_HYST_TEMP           15
+#define MIN_HYST_TEMP           0
+
+#define RESET_DELAY             500
+#define WAIT_MENU_TIME          1
+#define NOT_USED                0
+
+static void print_title(void);
+static void print_prompt(void);
+static uint8_t select_device();
+static void print_active_device(int ext_int_value);
+static int get_menu_select(uint8_t *menu_select);
+static uint8_t read_temperature();
+static uint8_t set_resolution();
+static uint8_t set_op_mode();
+static uint8_t bunch_of_temps();
+static uint8_t readback_reg();
+static uint8_t reset_interface();
+static uint8_t write_to_setpoint_reg();
+static uint8_t set_fault_queue();
+static uint8_t set_ct_int_config();
+static void microcontroller_reset();
+static int input_check(int input_val,
+                       int lowest_accepted_val,
+                       int highest_accepted_val, 
+                       int invalid_check);
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+#include "adt7420.h"
+#ifdef __cplusplus
+}				  
+#endif // __cplusplus
+
+
+/******************************************************************************/
+/************************** Variables Declarations ****************************/
+/******************************************************************************/
+
+/**
+	The following definitions are a requirement for the platform_driver
+	Pin are changed if required in the app_config.h file
+ ***/
+PinName slave_selects[MAX_SLAVE_SELECTS] = { SPI_CS, SPI_CSE };
+mbed::SPI spi(SPI_MOSI, SPI_MISO, SPI_SCK);
+mbed::I2C i2c(I2C_SDA, I2C_SCL);
+
+
+i2c_init_param i2c_params = {
+	GENERIC_I2C,     // i2c type
+    NOT_USED,	     // i2c id
+	100000, 		 // i2c max speed (hz)
+	INTERNAL_I2C,    // i2c slave address (defined in app_config.h)
+}; 
+
+spi_init_param spi_params = {
+	MBED,			 //For future ADI use
+	GENERIC_SPI,	 //For future ADI use
+	NOT_USED,		 //id 
+	1000000,		 //SPI frequency (Hz)
+	SPI_MODE_3,		 //CPOL/CPHA settings for your device
+	INTERNAL_SPI,	 //CS index for PinName (defined in app_config.h)
+};
+
+adt7420_init_param init_params = {
+	i2c_params, 	// I2C parameters 
+	spi_params, 	// SPI parameters 
+	NOT_USED,		//Resolution setting
+    ACTIVE_DEVICE, //Set this in app_config.h
+};
+
+adt7420_dev *device;
+
+registers_e registers;
+
+
+int32_t connected = -1;
+uint8_t device_id = 0;
+
+//Configure and instantiate the UART - PB10/11
+Serial pc(USBTX, USBRX, 115200);
+
+
+
+int main()
+{
+	uint8_t menu_select = 0;
+
+   	print_title();
+
+    device_id = select_device();
+       
+	connected = adt7420_init(&device, init_params);
+
+    if (connected != SUCCESS) {
+        pc.printf("\n\n  Connection to device failed :(\n");
+        pc.printf("  ...Restarting application...  \n\n");
+        wait(WAIT_MENU_TIME);
+        microcontroller_reset();
+    } else {
+        pc.printf("\n\n  Connection to device succeeded!\n");
+    }
+    
+    while (connected == SUCCESS) {
+        menu_select = 0;
+        print_active_device(device_id);
+		print_prompt();
+
+		if (get_menu_select(&menu_select) == FAILURE)
+            pc.printf("\n*****   Returning to main menu   *****\n");
+		else {
+			switch (menu_select) {
+			case 1:
+				read_temperature();
+				break;  
+			case 2:
+				set_resolution();
+				break;
+			case 3:
+				set_op_mode();
+				break;
+			case 4:
+				bunch_of_temps();
+				break;
+			case 5:
+				readback_reg();
+				break;
+			case 6:
+				reset_interface();
+				break;
+			case 7:
+				write_to_setpoint_reg();
+				break;
+            case 8:
+                set_fault_queue();
+                break;
+            case 9:
+                set_ct_int_config();
+                break;
+            case 10:
+				/*Restore device registers to default values before restarting microcontroller*/
+                reset_interface();
+                microcontroller_reset();
+                break;
+			default:
+				pc.printf("Invalid option");
+				break;
+			}
+        }
+		wait(WAIT_MENU_TIME); //wait 1 second
+	}
+}
+
+
+/***************************************************************************//**
+ * @brief	Prints the title block.
+ *******************************************************************************/
+void print_title()
+{
+	pc.printf("*****************************************************************\n");
+	pc.printf("* EVAL-TempeSense-ARDZ Demonstration Program -- (mbed)          *\n");
+	pc.printf("*                                                               *\n");
+	pc.printf("* This program demonstrates communication with the ADT7xx       *\n");
+	pc.printf("* High-Accuracy digital temperature sensor family			   *\n");
+	pc.printf("* It will also work with both SPI & I2C versions                *\n");
+	pc.printf("*                                                               *\n");
+	pc.printf("* Set the baud rate to 115200 select the newline terminator.    *\n");
+	pc.printf("*****************************************************************\n");
+}
+
+/***************************************************************************//**
+ * @brief	Prints the "main menu" prompt to the console.
+ *******************************************************************************/
+void print_prompt()
+{
+	pc.printf("\n\nCommand Summary:\n\n");
+	pc.printf("  1  -Read temperature\n");
+	pc.printf("  2  -Set resolution\n");
+	pc.printf("  3  -Set operation mode\n");
+	pc.printf("  4  -Poll temperature\n");
+	pc.printf("  5  -Read a register\n");
+	pc.printf("  6  -Reset the interface\n");
+	pc.printf("  7  -Write to a setpoint register\n");
+    pc.printf("  8  -Set Fault Queue configuration\n");
+    pc.printf("  9  -Set CT/INT polarity and mode\n");
+    pc.printf("  10 -Full System Reset\n");
+	pc.printf("\n");
+}
+
+static int get_menu_select(uint8_t *menu_select) 
+{
+    int invalid_check = pc.scanf("%d",(int *) menu_select);
+    return input_check(*menu_select, 1, 10, invalid_check);
+}
+
+/***************************************************************************//**
+ * @brief 	- Select the serial interface (SPI/I2C) and device 
+ *				based on the part family.
+ *		  	- Only one device and interface can be active. 
+ *						Example: ADT7320 - SPI (Internal or Remote device)
+ *								 ADT7420 - I2C (Internal or Remote device)
+ *
+ * @param 	None
+ *
+ * @return 	new_dev - Return device selected  
+ *				 	  Example: 1  - Internal(Main PCB) 
+ *							   2  - Remote (External PCB)
+ *******************************************************************************/
+uint8_t select_device()
+{
+    pc.printf("Please select interface by choosing a device:\n");
+	pc.printf("    1- ADT7320 (SPI)\n");
+	pc.printf("    2- ADT7420 (I2C)\n");
+	pc.printf("  Select an option: ");
+    
+    int invalid_check, new_interface = 0;
+    invalid_check = pc.scanf("%d", &new_interface);
+	
+	//Prompts for user input while correct interface is not selected
+    while (input_check(new_interface, 1, 2, invalid_check) == FAILURE) {
+        pc.printf("Please select interface by choosing a device:\n");
+	    pc.printf("    1- ADT7320 (SPI)\n");
+	    pc.printf("    2- ADT7420 (I2C)\n");
+	    pc.printf("  Select an option: ");
+        invalid_check = pc.scanf("%d", &new_interface);
+	}
+    pc.printf("%d", new_interface);
+
+    switch (new_interface) {
+	case 1:
+		pc.printf("  ADT7320 sensor selected!\n\n");
+		init_params.act_device = ID_ADT7320;
+		break;
+	case 2:
+		pc.printf(" ADT7420 sensor selected!\n\n");
+		init_params.act_device = ID_ADT7420;
+		break;
+	}
+
+    pc.printf("Available devices:\n");
+	pc.printf("    1- Internal (Main PCB)\n");
+	pc.printf("    2- Remote   (External PCB)\n");
+	pc.printf("  Select an option: ");
+    
+    int new_dev = 0;
+    invalid_check = pc.scanf("%d", &new_dev);
+	
+	//Prompts for user input while correct device is not selected
+    while (input_check(new_dev, 1, 2, invalid_check) == FAILURE) {
+        pc.printf("Device select:\n");
+	    pc.printf("    1- Internal (Main PCB)\n");
+	    pc.printf("    2- Remote   (External PCB)\n");
+	    pc.printf("  Select an option: ");
+        invalid_check = pc.scanf("%d", &new_dev);
+	}
+
+    pc.printf("%d", new_dev);
+    
+	switch (new_dev) {
+	case 1:
+		pc.printf("  Internal sensor selected!");
+		init_params.mbed_i2c_init.slave_address = INTERNAL_I2C;
+		init_params.mbed_spi_init.chip_select = INTERNAL_SPI;
+        break;
+	case 2:
+		pc.printf("  External sensor selected!");
+		init_params.mbed_i2c_init.slave_address = EXTERNAL_I2C;
+		init_params.mbed_spi_init.chip_select = EXTERNAL_SPI;
+		break;
+	}
+    
+     return new_dev;
+}
+
+/***************************************************************************//**
+ * @brief	- Reads and prints the temperature in Celsius Degree
+ *
+ * @param None
+ *
+ * @return	- Return SUCCESS flag - currently unused.
+ *******************************************************************************/
+static uint8_t read_temperature()
+{
+	float temp = adt7420_get_temperature(device);
+
+	pc.printf("Current temperature:%.3f C", temp);
+	return SUCCESS;
+}
+
+/***************************************************************************//**
+ * @brief	-Set the device resolution for 13 or 16 bits 
+ *
+ * @param None
+ *
+ * @return	- Return SUCCESS/FAILURE flags 
+ *******************************************************************************/
+static uint8_t set_resolution()
+{
+	pc.printf("  Available resolutions:\n");
+	pc.printf("    1- 13-bit\n");
+	pc.printf("    2- 16-bit\n");
+	pc.printf("  Select an option: ");
+
+	int new_res, invalid_check = 0;
+    invalid_check = pc.scanf("%d", &new_res);
+    
+    if (input_check(new_res, 1, 2, invalid_check) == FAILURE) {
+		return FAILURE;
+	} else {
+        pc.printf("%d\n", new_res);
+        new_res = (new_res == 1) ? 0 : 1;
+        adt7420_set_resolution(device, new_res);
+        pc.printf("Set resolution to %d-bit", (13 + 3 * new_res));
+        return SUCCESS;
+    }
+}
+
+/***************************************************************************//**
+ * @brief	- Set the device operation mode
+ *			  (Continuous conversion, One-shot, SPS, Shutdown). 
+ *			- Consult datasheet for more information.
+ *
+ * @param None
+ *
+ * @return - Return SUCCESS/FAILURE flags 
+ *******************************************************************************/
+static uint8_t set_op_mode()
+{
+	pc.printf("  Available operation modes:\n");
+	pc.printf("    1- Continuous conversion mode (default)\n");
+	pc.printf("    2- One-shot mode\n");
+	pc.printf("    3- 1 SPS mode\n");
+	pc.printf("    4- Shutdown\n");
+	pc.printf("  Select a mode: ");
+
+	int new_mode, invalid_check = 0;
+	invalid_check = pc.scanf("%d", &new_mode);
+    if (input_check(new_mode, 1, 4, invalid_check) == FAILURE) {
+		return FAILURE;
+	} else { 
+	pc.printf("%d\n", new_mode);
+	switch (new_mode) {
+        case 1:
+            adt7420_set_operation_mode(device, ADT7420_OP_MODE_CONT_CONV);
+            break;
+        case 2:
+        /*When One shot mode is set completes one conversion and immediately goes to shutdown mode*/
+            adt7420_set_operation_mode(device, ADT7420_OP_MODE_ONE_SHOT);
+            pc.printf("\n       One Shot mode enabled, device will enter shutdown mode once a conversion is complete.\n");
+            pc.printf("         See page 10 in datasheet for details.\n");
+            break;
+        case 3:
+            adt7420_set_operation_mode(device, ADT7420_OP_MODE_1_SPS);
+            break;
+        case 4:
+            adt7420_set_operation_mode(device, ADT7420_OP_MODE_SHUTDOWN);
+            break;
+        default:
+            pc.printf("Invalid option\n");
+            break;
+	    }
+	return SUCCESS;
+    }
+}
+
+/***************************************************************************//**
+ * @brief	- Prints poll of temperature based on the frequency of readings and
+ *			  number of samples. 
+ *			
+ *
+ * @param None
+ *
+ * @return	- Return SUCCESS/FAILURE flags
+ *******************************************************************************/
+static uint8_t bunch_of_temps()
+{
+	pc.printf("  Enter number of desired samples: ");
+	int num_samples, invalid_check = 1;
+
+    invalid_check = pc.scanf("%d", &num_samples);
+    if (input_check(num_samples, 1, 2000000, invalid_check) == FAILURE) {
+		return FAILURE;
+	}
+    pc.printf("%d\n", num_samples);
+
+	pc.printf("  Enter a desired frequency in samples/sec (max 10): ");
+	int sample_freq = 1;
+    invalid_check = pc.scanf("%d", &sample_freq);
+    if (input_check(sample_freq, 1, 10, invalid_check) == FAILURE) {
+		return FAILURE;
+	}    
+	sample_freq = constrain(sample_freq, 1, 10);
+	pc.printf("%d", sample_freq);
+
+	uint32_t delay_sec = 1000000 / sample_freq;
+       
+	pc.printf("  Gathering %d seconds of samples\n", num_samples/sample_freq);
+    pc.printf("Press enter to continue and then press again to quit\n");
+	getchar();
+
+    for (int i = 0; i < num_samples; i++) {
+        if(pc.readable()) {
+            return SUCCESS; 
+        } else {
+            pc.printf("  Sample:%d: Temperature:", i + 1);
+            float temp = adt7420_get_temperature(device);
+            pc.printf("%.4f\n", temp);
+            wait_us(delay_sec);
+        } 
+    }
+	return SUCCESS;
+}
+
+/***************************************************************************//**
+ * @brief	- Reads back data store in device registers
+ *
+ * @param None
+ *
+ * @return	- Return SUCCESS/FAILURE flags
+ *******************************************************************************/
+
+static uint8_t readback_reg()
+{
+	pc.printf("  Available registers:\n");
+	pc.printf("    1- Status\n");
+	pc.printf("    2- Configuration\n");
+	pc.printf("    3- Temperature\n");
+	pc.printf("    4- ID\n");
+	pc.printf("    5- Critical Temperature setpoint\n");
+	pc.printf("    6- Hysteresis Temperature setpoint\n");
+	pc.printf("    7- Temperature high setpoint\n");
+	pc.printf("    8- Temperature low setpoint\n");
+	pc.printf("  Select a mode: ");
+
+	uint16_t read_value = 0;
+	int new_mode, invalid_check = 0;
+	invalid_check = pc.scanf("%d", &new_mode);
+    if (input_check(new_mode, 1, 8, invalid_check) == FAILURE) {
+		return FAILURE;
+	}
+	pc.printf("%d\n", new_mode);
+
+	switch (new_mode) {
+	case 1:
+		read_value = get_register_value(device, REG_STATUS);
+		break;
+	case 2:
+		read_value = get_register_value(device, REG_CONFIG);
+		break;
+	case 3:
+		read_value = get_register_value(device, REG_TEMP);
+		break;
+	case 4:
+		read_value = get_register_value(device, REG_ID);
+		break;
+	case 5:
+		read_value = get_register_value(device, REG_T_CRIT);
+		break;
+	case 6:
+		read_value = get_register_value(device, REG_HIST);
+		break;
+	case 7:
+		read_value = get_register_value(device, REG_T_HIGH);
+		break;
+	case 8:
+		read_value = get_register_value(device, REG_T_LOW);
+		break;
+	default:
+		break;
+	}
+	pc.printf("Read value: 0x%x\n", read_value);
+
+	return SUCCESS;
+}
+
+/***************************************************************************//**
+ * @brief	- Resets device interface (SPI/I2C) (power-on reset)
+ *
+ * @param None
+ *
+ * @return	- Return SUCCESS flag - currently unused.
+ *******************************************************************************/
+static uint8_t reset_interface()
+{
+	pc.printf("  Resetting interface...\n");
+	adt7420_reset_interface(device);
+    wait_us(RESET_DELAY);
+    return SUCCESS;
+}
+
+/***************************************************************************//**
+ * @brief	- Write to setpoint registers THIGH, TLOW, TCRIT and THYST.
+			- Values entered in Celsius and rounded to a near integer value.
+ *
+ * @param None
+ *
+ * @return	- Return SUCCESS/FAILURE flags
+ *******************************************************************************/
+static uint8_t write_to_setpoint_reg()
+{
+	pc.printf("  Available registers:\n");
+	pc.printf("    1- Critical setpoint\n");
+	pc.printf("    2- Hystersis setpoint\n");
+	pc.printf("    3- Temperature high setpoint\n");
+	pc.printf("    4- Temperature low setpoint\n");
+	pc.printf("  Select a mode: ");
+
+	int new_mode, invalid_check = 0;
+	invalid_check = pc.scanf("%d", &new_mode);
+    if (input_check(new_mode, 1, 4, invalid_check) == FAILURE) {
+		return FAILURE;
+	}
+	pc.printf("%d\n", new_mode);
+    
+    float temp_c;
+
+    if(new_mode == 2) {
+        pc.printf("Enter value to write (0 to 15) Celsius:");
+        invalid_check = pc.scanf("%f", &temp_c);
+        if(input_check(temp_c, MIN_HYST_TEMP, MAX_HYST_TEMP, invalid_check) == FAILURE) {
+            return FAILURE;
+        }
+    } else {
+        pc.printf("Enter value to write (in Celsius):");
+        invalid_check = pc.scanf("%f", &temp_c);
+        if(input_check(temp_c, TEMP_MIN, TEMP_MAX, invalid_check) == FAILURE){
+            return FAILURE;
+        }
+    }
+	    
+    pc.printf(" %.2f", temp_c);
+	
+    int16_t write_value;
+
+    if(new_mode == 2) 
+        write_value = round(temp_c);
+     else 
+        write_value = round(128 * temp_c);
+
+	switch (new_mode) {
+	case 1:
+		if (adt7420_wr_setpoint_reg(device, REG_T_CRIT, write_value) == SUCCESS)
+			pc.printf("\n0x%x successfuly written\n", write_value);
+		else
+			pc.printf("\n0x%x NOT successfuly written\n", write_value);
+		break;
+	case 2:
+		if (adt7420_wr_setpoint_reg(device, REG_HIST, write_value) == SUCCESS)
+			pc.printf("\n0x%x successfuly written (bits 7:4 are fixed at 0)\n", write_value);
+		else
+			pc.printf("\n0x%x NOT successfuly written\n", write_value);
+		break;
+	case 3:
+		if (adt7420_wr_setpoint_reg(device, REG_T_HIGH, write_value) == SUCCESS)
+			pc.printf("\n0x%x successfuly written\n", write_value);
+		else
+			pc.printf("\n0x%x NOT successfuly written\n", write_value);
+		break;
+	case 4:
+		if (adt7420_wr_setpoint_reg(device, REG_T_LOW, write_value) == SUCCESS)
+			pc.printf("\n0x%x successfuly written\n", write_value);
+		else
+			pc.printf("\n0x%x NOT successfuly written\n", write_value);
+		break;
+	default:
+		pc.printf("Invalid selection - try again.\n");
+		wait(2);
+		break;
+	}
+	return SUCCESS;
+}
+
+/***************************************************************************//**
+ * @brief	- Set the number of undertemperature/overtemperature faults 
+ *			that can occur before setting the INT and CT output pins
+ *
+ * @param None
+ *
+ * @return	- Return SUCCESS/FAILURE flags
+ *******************************************************************************/
+static uint8_t set_fault_queue()
+{
+    pc.printf("  Available fault queue options:\n");
+	pc.printf("    1- 1 fault (default) \n");
+	pc.printf("    2- 2 faults\n");
+	pc.printf("    3- 3 faults\n");
+	pc.printf("    4- 4 faults\n");
+	pc.printf("  Select a mode: ");
+
+	int new_fault, invalid_check = 0;
+	invalid_check = pc.scanf("%d", &new_fault);
+    if (input_check(new_fault, 1, 4, invalid_check) == FAILURE) {
+		return FAILURE;
+	} else {
+	pc.printf("%d\n", new_fault);
+
+ 	switch (new_fault)
+	     {
+        case 1:
+            adt7420_set_fault_queue(device, ADT7420_FAULT_QUEUE_1_FAULT);
+            break;
+        case 2:
+            adt7420_set_fault_queue(device, ADT7420_FAULT_QUEUE_2_FAULTS);
+            break;
+        case 3:
+            adt7420_set_fault_queue(device, ADT7420_FAULT_QUEUE_3_FAULTS);
+            break;
+        case 4:
+            adt7420_set_fault_queue(device, ADT7420_FAULT_QUEUE_4_FAULTS);
+            break;
+        default:
+            pc.printf("Invalid option\n");
+            break;
+	    }   return SUCCESS;
+    } 
+}
+
+/***************************************************************************//**
+ * @brief	- Set INT/CT Outputs pins to Comparator or Interrupt mode
+ *
+ * @param None
+ *
+ * @return	- Return SUCCESS/FAILURE flags
+ *******************************************************************************/
+static uint8_t set_ct_int_config()
+{
+    int new_polarity = 0;
+    int new_mode, invalid_check = 0;
+
+    pc.printf("  Choose INT/CT mode:\n");
+    pc.printf("    1- Interrupt (default) \n");
+    pc.printf("    2- Comparator \n");
+    pc.printf("  Select a mode: ");
+    invalid_check = pc.scanf("%d", &new_mode);
+    if (input_check(new_mode, 1, 2, invalid_check) == FAILURE) {
+        return FAILURE;
+    } else {
+        pc.printf("%d\n", new_mode);
+        new_mode = (new_mode == 1) ? 0 : 1;
+        adt7420_set_ct_int_mode(device, new_mode);    
+    }
+
+    pc.printf("\n Set output polarity for Critical and Over/Under Temperature pin:\n");
+    pc.printf("   (Feature available only for internal sensors).\n");
+
+    if(init_params.mbed_i2c_init.slave_address == INTERNAL_I2C ||
+        init_params.mbed_spi_init.chip_select == INTERNAL_SPI) {
+
+        pc.printf("    1- Active Low (default) \n");
+        pc.printf("    2- Active High\n");
+        pc.printf("  Select a mode: ");
+        
+        invalid_check = pc.scanf("%d", &new_polarity);
+        if (input_check(new_polarity, 1, 2, invalid_check) == FAILURE) {
+            return FAILURE;
+        } else {
+            pc.printf("%d\n", new_polarity);
+            new_polarity = (new_polarity == 1) ? 0 : 1;
+            adt7420_set_ct_int_polarity(device, new_polarity);
+        }
+    }
+    return SUCCESS;    
+}
+
+/***************************************************************************//**
+ * @brief Reset microcontroller
+ *
+ * @param None
+ *
+ * @return None.
+ *******************************************************************************/
+static void microcontroller_reset()
+{
+    NVIC_SystemReset();    
+}   
+       
+/***************************************************************************//**
+ * @brief Prints the active device every time the main menu is redrawn
+ *
+ * @param external_internal_selection - External or Internal Chip Selected
+ *
+ * @return None.
+ *******************************************************************************/
+static void print_active_device(int external_internal_selection)
+{
+    const char* devices[7] = { "\n\n   Active Device: ADT7410 I2C" ,
+                        "\n\n   Active Device: ADT7420 I2C",
+                        "\n\n   Active Device: ADT7422 I2C",
+                        "\n\n   Active Device: ADT7310 SPI",
+                        "\n\n   Active Device: ADT7311 SPI",
+                        "\n\n   Active Device: ADT7312 SPI",
+                        "\n\n   Active Device: ADT7320 SPI"};
+
+    const char* external_internal_print[] = {" - Internal Chip \n",
+                                             " - External Chip \n" };
+
+    pc.printf("%s %s", devices[init_params.act_device], external_internal_print[external_internal_selection - 1]);
+}
+
+/***************************************************************************//**
+ * @brief Checks is an input is a digit and within valid range
+ *
+ * @param input_val - Value inputed by user
+ * @param lowest_accepted_val - Lowest acceptable value
+ * @param highest_accepted_val - Highest acceptable value
+ * @param invalid_check - Checks if unexpected type of data was entered in scanf
+ *
+ * @return SUCCESS/FAILURE Flags.
+ *******************************************************************************/
+ static int input_check(int input_val, 
+                        int lowest_accepted_val,
+                        int highest_accepted_val, 
+                        int invalid_check)
+ {
+        if(invalid_check == 0 || input_val < lowest_accepted_val || input_val > highest_accepted_val) {
+            pc.printf("\n\n*****   Invalid entry: No changes made *****\n");
+            wait(WAIT_MENU_TIME);
+            return FAILURE;
+        } 
+        return SUCCESS;
+}