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MPAE-19443 created and tested mplabx project, working as expected
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‎README.md‎

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<!-- Please do not change this logo with link -->
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<!-- MPAE-19443 Please do not change this logo with link -->
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<a target="_blank" href="https://www.microchip.com/" id="top-of-page">
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<picture>
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</picture>
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</a>
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# Update the title for avr128db48-i2c-proximity-sensor-polled-printf-errors here
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# AVR128DB48 I2C_Host Example Component for CNano Explorer: I2C Proximity Sensor (Polled, Printf-errors)
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The following is the output for this example.
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Notice the delta 254 ms in the B column, of the time plot. The difference from 1 ms from the expected value, is simply due to the positioning of the cursor.
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![alt text](images/avr128db48-i2c-proximity-sensor-polled-printfErrors_avrDB.png)
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The MCC Melody configuration is as shown in the following image.
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![alt text](images/avr128db48-i2c-proximity-sensor-polled-printfErrors_avrDB_configuration.png)
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<!-- This is where the introduction to the example goes, including mentioning the peripherals used -->
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‎avr128db48-i2c-proximity-sensor-polled-printf-errors.X/Makefile‎

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#
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# There exist several targets which are by default empty and which can be
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# used for execution of your targets. These targets are usually executed
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# before and after some main targets. They are:
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#
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# .build-pre: called before 'build' target
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# .build-post: called after 'build' target
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# .clean-pre: called before 'clean' target
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# .clean-post: called after 'clean' target
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# .clobber-pre: called before 'clobber' target
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# .clobber-post: called after 'clobber' target
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# .all-pre: called before 'all' target
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# .all-post: called after 'all' target
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# .help-pre: called before 'help' target
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# .help-post: called after 'help' target
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#
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# Targets beginning with '.' are not intended to be called on their own.
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#
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# Main targets can be executed directly, and they are:
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#
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# build build a specific configuration
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# clean remove built files from a configuration
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# clobber remove all built files
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# all build all configurations
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# help print help mesage
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#
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# Targets .build-impl, .clean-impl, .clobber-impl, .all-impl, and
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# .help-impl are implemented in nbproject/makefile-impl.mk.
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#
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# Available make variables:
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#
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# CND_BASEDIR base directory for relative paths
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# CND_DISTDIR default top distribution directory (build artifacts)
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# CND_BUILDDIR default top build directory (object files, ...)
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# CONF name of current configuration
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# CND_ARTIFACT_DIR_${CONF} directory of build artifact (current configuration)
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# CND_ARTIFACT_NAME_${CONF} name of build artifact (current configuration)
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# CND_ARTIFACT_PATH_${CONF} path to build artifact (current configuration)
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# CND_PACKAGE_DIR_${CONF} directory of package (current configuration)
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# CND_PACKAGE_NAME_${CONF} name of package (current configuration)
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# CND_PACKAGE_PATH_${CONF} path to package (current configuration)
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#
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# NOCDDL
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# Environment
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MKDIR=mkdir
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CP=cp
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CCADMIN=CCadmin
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RANLIB=ranlib
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# build
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build: .build-post
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.build-pre:
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# Add your pre 'build' code here...
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.build-post: .build-impl
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# Add your post 'build' code here...
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# clean
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clean: .clean-post
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.clean-pre:
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# Add your pre 'clean' code here...
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# WARNING: the IDE does not call this target since it takes a long time to
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# simply run make. Instead, the IDE removes the configuration directories
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# under build and dist directly without calling make.
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# This target is left here so people can do a clean when running a clean
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# outside the IDE.
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.clean-post: .clean-impl
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# Add your post 'clean' code here...
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# clobber
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clobber: .clobber-post
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.clobber-pre:
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# Add your pre 'clobber' code here...
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.clobber-post: .clobber-impl
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# Add your post 'clobber' code here...
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# all
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all: .all-post
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.all-pre:
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# Add your pre 'all' code here...
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.all-post: .all-impl
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# Add your post 'all' code here...
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# help
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help: .help-post
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.help-pre:
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# Add your pre 'help' code here...
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.help-post: .help-impl
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# Add your post 'help' code here...
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# include project implementation makefile
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include nbproject/Makefile-impl.mk
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# include project make variables
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include nbproject/Makefile-variables.mk

‎avr128db48-i2c-proximity-sensor-polled-printf-errors.X/avr128db48-i2c-proximity-sensor-polled-printf-errors.mc3‎

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‎avr128db48-i2c-proximity-sensor-polled-printf-errors.X/avr128db48-i2c-proximity-sensor-polled-printf-errors.mc3.bak0‎

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‎avr128db48-i2c-proximity-sensor-polled-printf-errors.X/avr128db48-i2c-proximity-sensor-polled-printf-errors.mc3.bak1‎

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‎avr128db48-i2c-proximity-sensor-polled-printf-errors.X/main.c‎

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/*
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© [2025] Microchip Technology Inc. and its subsidiaries.
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Subject to your compliance with these terms, you may use Microchip
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software and any derivatives exclusively with Microchip products.
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You are responsible for complying with 3rd party license terms
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applicable to your use of 3rd party software (including open source
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software) that may accompany Microchip software. SOFTWARE IS ?AS IS.?
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NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS
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SOFTWARE, INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT,
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MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
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WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE,
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INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY
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KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF
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MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE
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FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP?S
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TOTAL LIABILITY ON ALL CLAIMS RELATED TO THE SOFTWARE WILL NOT
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EXCEED AMOUNT OF FEES, IF ANY, YOU PAID DIRECTLY TO MICROCHIP FOR
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THIS SOFTWARE.
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*/
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/**
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* I2C_HOST EXAMPLE Generated Driver File
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*
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* @file i2c_host example.c
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*
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* @ingroup i2c_host example
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*
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* @version I2C_HOST EXAMPLE Example Version 1.0.0
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*
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* @brief Generated file for
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* Example: 4. I2C Proximity Sensor
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* Implementation: Polled
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* Visualization: Printf with error handling
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* MCU Device family: AVR
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*/
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#include "mcc_generated_files/system/system.h"
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// Note: VCNL4200 - High Sensitivity Long Distance Proximity and Ambient Light Sensor With I2C Interface
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// Reference to the VCNL4200 data sheet: https://www.vishay.com/docs/84430/vcnl4200.pdf
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// The VCNL4200 command codes are located in Table 1 (page 9) of the VCNL4200 data sheet
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#define PROXIMITY_I2C_ADDRESS ((uint8_t)0x51)
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#define PROXIMITY_DATA ((uint8_t)0x08)
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extern void DELAY_milliseconds(uint16_t milliseconds);
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uint8_t VCNL4200_Initialize(void);
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uint8_t VCNL4200_ProximityRead(uint16_t* proximityValue);
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const uint8_t* I2CErrorToString(uint8_t error);
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uint16_t proximityValue; // proximity sensor (VCNL4200) result
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uint8_t errorState = I2C_ERROR_NONE;
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uint8_t VCNL4200_ProximityRead(uint16_t* proximityValue)
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{
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union
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{
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uint8_t bytes[2];
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uint16_t value;
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} proximityResponse;
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uint8_t proximityData = PROXIMITY_DATA;
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uint8_t waitCounter = 100;
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if (I2C_Host.WriteRead(PROXIMITY_I2C_ADDRESS, &proximityData, sizeof(proximityData), proximityResponse.bytes, sizeof(proximityResponse)))
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{
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while (I2C_Host.IsBusy() && waitCounter--)
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{
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I2C_Host.Tasks();
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}
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*proximityValue = proximityResponse.value;
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}
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errorState = I2C_Host.ErrorGet();
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// Error states:
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// 0x00 = I2C_ERROR_NONE
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// 0x01 = I2C_ERROR_ADDR_NACK
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// 0x02 = I2C_ERROR_DATA_NACK
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// 0x03 = I2C_ERROR_BUS_COLLISION
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return errorState;
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}
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const uint8_t* I2CErrorToString(uint8_t error)
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{
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switch (error)
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{
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case I2C_ERROR_NONE:
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return "I2C_ERROR_NONE";
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case I2C_ERROR_ADDR_NACK:
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return "I2C_ERROR_ADDR_NACK";
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case I2C_ERROR_DATA_NACK:
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return "I2C_ERROR_DATA_NACK";
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case I2C_ERROR_BUS_COLLISION:
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return "I2C_ERROR_BUS_COLLISION";
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default:
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return "UNKNOWN_ERROR";
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}
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}
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uint8_t VCNL4200_Initialize(void)
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{
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uint8_t initConfigOne[3] = {0x03, 0x2A, 0x0A};
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uint8_t initConfigTwo[3] = {0x03, 0x70, 0x07};
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uint8_t waitCounter = 100;
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if (I2C_Host.Write(PROXIMITY_I2C_ADDRESS, initConfigOne, sizeof(initConfigOne)))
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{
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while (I2C_Host.IsBusy() && waitCounter--)
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{
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I2C_Host.Tasks();
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}
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}
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waitCounter = 100;
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if (I2C_Host.Write(PROXIMITY_I2C_ADDRESS, initConfigTwo, sizeof(initConfigTwo)))
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{
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while (I2C_Host.IsBusy() && waitCounter--)
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{
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I2C_Host.Tasks();
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}
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}
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errorState = I2C_Host.ErrorGet();
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return errorState;
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}
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int main(void)
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{
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SYSTEM_Initialize();
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errorState = VCNL4200_Initialize(); // Initializes the proximity sensor (VCNL4200) over the I2C bus
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printf("I2C proximity sensor initialize status: %d - %s\r\n", errorState, I2CErrorToString(errorState));
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while(1)
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{
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DELAY_milliseconds(250);
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errorState = VCNL4200_ProximityRead(&proximityValue);
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if (errorState != I2C_ERROR_NONE)
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{
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printf("The proximity sensor error: %d - %s\r\n", errorState, I2CErrorToString(errorState));
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}
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printf("The proximity value is: %d\r\n", proximityValue);
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IO_LED_Toggle();
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IO_Debug_Toggle();
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}
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}

‎avr128db48-i2c-proximity-sensor-polled-printf-errors.X/mcc-manifest-autosave.yml‎

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# This file has been autogenerated by MPLAB Code Configurator. Please do not edit this file.
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manifest_file_version: 1.0.0
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project: avr128db48-i2c-proximity-sensor-polled-printf-errors
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creation_date: 2025-04-10T14:41:08.884+02:00[Europe/Berlin]
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operating_system: Windows 11
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mcc_mode: IDE
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mcc_mode_version: v6.25
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device_name: AVR128DB48
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compiler: XC8 3.00
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mcc_version: 5.5.2
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mcc_core_version: 5.7.1
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content_manager_version: 5.0.1
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is_mcc_offline: false
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is_using_prerelease_versions: true
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mcc_content_registries: https://registry.npmjs.org/,https://artifacts.microchip.com/artifactory/api/npm/npm/
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device_library: {library_class: com.microchip.mcc.melody.Library, name: Melody, version: 2.8.1}
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packs: {name: AVR-Dx_DFP, version: 2.7.321}
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modules:
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- {name: '@mchp-mcc/avr-8bit', type: MELODY, version: 4.13.1-dev.4}
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- {name: '@mchp-mcc/avr8-configuration-bits-v1', type: MELODY, version: 4.3.0}
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- {name: '@mchp-mcc/avr8-pin-manager', type: MELODY, version: 4.6.1}
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- {name: '@mchp-mcc/delay-blocking-driver', type: MELODY, version: 3.2.0}
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- {name: '@mchp-mcc/example-i2c-host', type: MELODY, version: 1.0.0}
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- {name: '@mchp-mcc/i2c-host-driver', type: MELODY, version: 1.1.0-dev.1}
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- {name: '@mchp-mcc/main-manager', type: MELODY, version: 3.1.2}
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- {name: '@mchp-mcc/pin-content-processor', type: MELODY, version: 3.9.1-feat.6}
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- {name: '@mchp-mcc/scf-avr8-clkctrl-v3', type: MELODY, version: 2.1.0-dev.1}
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- {name: '@mchp-mcc/scf-avr8-interrupt-v1', type: MELODY, version: 5.0.13-dev.1}
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- {name: '@mchp-mcc/scf-avr8-twi-v1', type: MELODY, version: 8.2.0}
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- {name: '@mchp-mcc/scf-avr8-usart-v1', type: MELODY, version: 10.2.1}
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- {name: '@mchp-mcc/uart-driver', type: MELODY, version: 1.10.2}

‎avr128db48-i2c-proximity-sensor-polled-printf-errors.X/mcc-manifest-generated-success.yml‎

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# This file has been autogenerated by MPLAB Code Configurator. Please do not edit this file.
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manifest_file_version: 1.0.0
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project: avr128db48-i2c-proximity-sensor-polled-printf-errors
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creation_date: 2025-04-10T14:41:08.822+02:00[Europe/Berlin]
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operating_system: Windows 11
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mcc_mode: IDE
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mcc_mode_version: v6.25
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device_name: AVR128DB48
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compiler: XC8 3.00
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mcc_version: 5.5.2
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mcc_core_version: 5.7.1
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content_manager_version: 5.0.1
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is_mcc_offline: false
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is_using_prerelease_versions: true
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mcc_content_registries: https://registry.npmjs.org/,https://artifacts.microchip.com/artifactory/api/npm/npm/
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device_library: {library_class: com.microchip.mcc.melody.Library, name: Melody, version: 2.8.1}
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packs: {name: AVR-Dx_DFP, version: 2.7.321}
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modules:
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- {name: '@mchp-mcc/avr-8bit', type: MELODY, version: 4.13.1-dev.4}
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- {name: '@mchp-mcc/avr8-configuration-bits-v1', type: MELODY, version: 4.3.0}
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- {name: '@mchp-mcc/avr8-pin-manager', type: MELODY, version: 4.6.1}
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- {name: '@mchp-mcc/delay-blocking-driver', type: MELODY, version: 3.2.0}
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- {name: '@mchp-mcc/example-i2c-host', type: MELODY, version: 1.0.0}
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- {name: '@mchp-mcc/i2c-host-driver', type: MELODY, version: 1.1.0-dev.1}
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- {name: '@mchp-mcc/main-manager', type: MELODY, version: 3.1.2}
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- {name: '@mchp-mcc/pin-content-processor', type: MELODY, version: 3.9.1-feat.6}
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- {name: '@mchp-mcc/scf-avr8-clkctrl-v3', type: MELODY, version: 2.1.0-dev.1}
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- {name: '@mchp-mcc/scf-avr8-interrupt-v1', type: MELODY, version: 5.0.13-dev.1}
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- {name: '@mchp-mcc/scf-avr8-twi-v1', type: MELODY, version: 8.2.0}
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- {name: '@mchp-mcc/scf-avr8-usart-v1', type: MELODY, version: 10.2.1}
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- {name: '@mchp-mcc/uart-driver', type: MELODY, version: 1.10.2}

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