2 Microchip MPLAB® Harmony 3 Release Notes

Harmony 3 USB Host application examples v3.9.0-E1(October, 2024)

Development kit and demo application support

Following table provides number of USB Host demo applications available for different development kits.

Development KitsMPLAB X applications
PIC32CX SG41 Curiosity Ultra Board7
PIC32CK-GC01 Curiosity Ultra board8
PIC32CZ-CA80 Curiosity Ultra board9
PIC32CM LE00 Curiosity Pro Evaluation Kit3
Curiosity PIC32MX470 Development Board5
Curiosity PIC32MZ EF 2.0 Development Board7
PIC32MK General Purpose (GP) Development Board2
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit1
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit6
Curiosity PIC32MZ W1 Development Board1
SAM D21 Xplained Pro Board6
SAM E54 Xplained Pro Board6
SAM E70 Xplained Ultra Board10
SAMG55 Xplained Pro Board9
SAM L21 Xplained Pro Board1
SAM V71 Xplained Ultra board2
SAM9X60-EK Evaluation Board10
SAM9X60 Curiosity Development Board11
SAM9X75-EK Evaluation Board7
SAM9X75 Curiosity Development Board6
SAM A5D2 Xplained Ultra Board9
SAMA5D27 SOM1 Kit19
ATSAMA5D27-WLSOM1 Evaluation Kit9
SAMA5D29 Curiosity Development Board5
SAMA7G54 Evaluation Kit5
SAMA7D65 Early Access Curiosity Board7
WBZ653 Curiosity Board6
New Features
  • Added USB Host demos for WBZ653 Curiosity Board.
Known Issues
  • After a power cycle, the reset button on the PIC32CZ CA80 Curiosity Ultra board must be pressed to get the program running.
Development Tools
Harmony 3 USB Host application examples v3.8.0.

Development kit and demo application support

Following table provides number of USB Host demo applications available for different development kits.

Development KitsMPLAB X applications
PIC32CX SG41 Curiosity Ultra Board7
PIC32CK-GC01 Curiosity Ultra board8
PIC32CZ-CA80 Curiosity Ultra board9
PIC32CM LE00 Curiosity Pro Evaluation Kit3
Curiosity PIC32MX470 Development Board5
Curiosity PIC32MZ EF 2.0 Development Board7
PIC32MK General Purpose (GP) Development Board2
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit1
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit6
Curiosity PIC32MZ W1 Development Board1
SAM D21 Xplained Pro Board6
SAM E54 Xplained Pro Board6
SAM E70 Xplained Ultra Board10
SAMG55 Xplained Pro Board9
SAM L21 Xplained Pro Board1
SAM V71 Xplained Ultra board2
SAM9X60-EK Evaluation Board10
SAM9X60 Curiosity Development Board11
SAM9X75-EK Evaluation Board7
SAM9X75 Curiosity Development Board6
SAM A5D2 Xplained Ultra Board9
SAMA5D27 SOM1 Kit19
ATSAMA5D27-WLSOM1 Evaluation Kit9
SAMA5D29 Curiosity Development Board5
SAMA7G54 Evaluation Kit5
SAMA7D65 Early Access Curiosity Board7
New Features
  • Added USB Device demos for SAMA7D65 Early Access Curiosity Board
Known Issues
  • After a power cycle, the reset button on the PIC32CZ CA80 Curiosity Ultra board must be pressed to get the program running.
Development Tools
Harmony 3 USB Host application examples v3.7.0 (June, 2024)

Development kit and demo application support

Following table provides number of USB Host demo applications available for different development kits.

Development KitsMPLAB X applications
PIC32CX SG41 Curiosity Ultra Board7
PIC32CK-GC01 Curiosity Ultra board8
PIC32CZ-CA80 Curiosity Ultra board9
PIC32CM LE00 Curiosity Pro Evaluation Kit3
Curiosity PIC32MX470 Development Board5
Curiosity PIC32MZ EF 2.0 Development Board7
PIC32MK General Purpose (GP) Development Board2
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit1
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit6
Curiosity PIC32MZ W1 Development Board1
SAM D21 Xplained Pro Board6
SAM E54 Xplained Pro Board6
SAM E70 Xplained Ultra Board10
SAMG55 Xplained Pro Board9
SAM L21 Xplained Pro Board1
SAM V71 Xplained Ultra board2
SAM9X60-EK Evaluation Board10
SAM9X60 Curiosity Development Board11
SAM9X75-EK Evaluation Board7
SAM9X75 Curiosity Development Board6
SAM A5D2 Xplained Ultra Board9
SAMA5D27 SOM1 Kit19
ATSAMA5D27-WLSOM1 Evaluation Kit9
SAMA5D29 Curiosity Development Board5
SAMA7G54 Evaluation Kit5
New Features
  • Added USB Host demos for SAMA5D29 Curiosity Development Board.
  • Added USB Host demos for SAM9X75 Curiosity Development Board.
  • Added additional USB Host demos for PIC32CX SG41 Curiosity Ultra Board.
  • Regenerated all the demo configurations with the latest Harmony Core and USB repositories.
Known Issues
  • After a power cycle, the reset button on the PIC32CZ CA80 Curiosity Ultra board must be pressed to get the program running.
Development Tools
Harmony 3 USB Host application examples v3.6.0

Development kit and demo application support

Following table provides number of USB Host demo applications available for different development kits.

Development KitsMPLAB X applications
PIC32CX SG41 Curiosity Ultra Board6
PIC32CK-GC01 Curiosity Ultra board8
PIC32CZ-CA80 Curiosity Ultra board9
PIC32CM LE00 Curiosity Pro Evaluation Kit3
Curiosity PIC32MX470 Development Board5
Curiosity PIC32MZ EF 2.0 Development Board7
PIC32MK General Purpose (GP) Development Board2
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit1
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit6
Curiosity PIC32MZ W1 Development Board1
SAM D21 Xplained Pro Board6
SAM E54 Xplained Pro Board6
SAM E70 Xplained Ultra Board10
SAMG55 Xplained Pro Board9
SAM L21 Xplained Pro Board1
SAM V71 Xplained Ultra board2
SAM9X60-EK Evaluation Board10
SAM9X60 Curiosity Development Board11
SAM9X75-EK Evaluation Board7
SAM A5D2 Xplained Ultra Board9
SAMA5D27 SOM1 Kit19
ATSAMA5D27-WLSOM1 Evaluation Kit9
SAMA7G54 Evaluation Kit5
New Features
  • Added USB Host demos for PIC32CX SG41 Curiosity Ultra Board.
  • Regenerated all the demo configurations with the latest Harmony Core and USB repositories.
  • All the projects are MISRA C required rule compliant.
Known Issues
  • After a power cycle, the reset button on the PIC32CZ CA80 Curiosity Ultra board must be pressed to get the program running.
Development ToolsHarmony 3 USB Host application examples v3.5.0

Development kit and demo application support

Following table provides number of USB Host demo applications available for different development kits.

Development KitsMPLAB X applications
PIC32CK-GC01 Curiosity Ultra board8
PIC32CZ-CA80 Curiosity Ultra board9
PIC32CM LE00 Curiosity Pro Evaluation Kit3
Curiosity PIC32MX470 Development Board5
Curiosity PIC32MZ EF 2.0 Development Board7
PIC32MK General Purpose (GP) Development Board2
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit1
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit6
Curiosity PIC32MZ W1 Development Board1
SAM D21 Xplained Pro Board6
SAM E54 Xplained Pro Board6
SAM E70 Xplained Ultra Board10
SAMG55 Xplained Pro Board9
SAM L21 Xplained Pro Board1
SAM V71 Xplained Ultra board2
SAM9X60-EK Evaluation Board10
SAM9X60 Curiosity Development Board11
SAM9X75-EK Evaluation Board7
SAM A5D2 Xplained Ultra Board9
SAMA5D27 SOM1 Kit19
ATSAMA5D27-WLSOM1 Evaluation Kit9
SAMA7G54 Evaluation Kit5
New Features
  • USB Host Generic Client driver demo is added. (usb_apps_host/apps/vendor)
  • Added USB Host demos for SAM9X60 Curiosity Development Board.
  • Added USB Host demos for SAM9X75-EK Evaluation Board.
Known Issues
  • USB Device demo for SAME54 devices must be built with XC32 v4.21 or earlier.
Development ToolsHarmony 3 USB Host application examples v3.5.0-E2

Development kit and demo application support

Following table provides number of USB Host demo applications available for different development kits.

Development KitsMPLAB X applications
PIC32CK-GC01 Curiosity Ultra board8
PIC32CZ-CA80 Curiosity Ultra board9
Curiosity PIC32MX470 Development Board5
Curiosity PIC32MZ EF 2.0 Development Board7
PIC32MK General Purpose (GP) Development Board2
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit1
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit6
Curiosity PIC32MZ W1 Development Board1
SAM D21 Xplained Pro Board6
SAM E54 Xplained Pro Board5
SAM E70 Xplained Ultra Board10
SAMG55 Xplained Pro Board9
SAM L21 Xplained Pro Board1
SAM V71 Xplained Ultra board2
SAM9X60-EK Evaluation Board10
SAM A5D2 Xplained Ultra Board9
SAMA5D27 SOM1 Kit19
ATSAMA5D27-WLSOM1 Evaluation Kit9
New Features
  • Added USB Host demos for PIC32CK-GC01 Curiosity Ultra board
Known Issues
  • None
Development ToolsHarmony 3 USB Host application examples v3.5.0-E1

Development kit and demo application support

Following table provides number of peripheral library examples available for different development kits.

Development KitsMPLAB X applications
PIC32CZ-CA80 Curiosity Ultra board9
Curiosity PIC32MX470 Development Board5
Curiosity PIC32MZ EF 2.0 Development Board7
PIC32MK General Purpose (GP) Development Board2
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit1
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit6
Curiosity PIC32MZ W1 Development Board1
SAM D21 Xplained Pro Board6
SAM E54 Xplained Pro Board5
SAM E70 Xplained Ultra Board10
SAMG55 Xplained Pro Board9
SAM L21 Xplained Pro Board1
SAM V71 Xplained Ultra board2
SAM9X60-EK Evaluation Board10
SAM A5D2 Xplained Ultra Board9
SAMA5D27 SOM1 Kit19
ATSAMA5D27-WLSOM1 Evaluation Kit9
New Features
  • Added USB Host demos for PIC32CZ-CA80 Curiosity Ultra board
Known Issues
  • None
Development ToolsHarmony 3 USB Host application examples v3.4.1New Features
  • N/A
Bug fixes
  • updated discover.microchip.com metadata
Known Issues
  • Same as v3.4.0
Development Tools
  • Same as v3.4.0
Harmony 3 USB Host application examples v3.4.0

Development kit and demo application support

The following table provides the number of USB Host examples available for various development kits.

Development KitsMPLAB X ApplicationsIAR Applications
Curiosity PIC32MX470 Development Board50
Curiosity PIC32MZ EF 2.0 Development Board70
PIC32MK General Purpose (GP) Development Board20
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit10
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit60
Curiosity PIC32MZ W1 Development Board10
SAM D21 Xplained Pro Board61
SAM E54 Xplained Pro Board21
SAM E70 Xplained Ultra Board101
SAMG55 Xplained Pro Board90
SAM L21 Xplained Pro Board10
SAM V71 Xplained Ultra board20
SAM9X60-EK Evaluation Board107
SAM A5D2 Xplained Ultra Board97
SAMA5D27 SOM1 Kit190
ATSAMA5D27-WLSOM1 Evaluation Kit90
New Features
  • Added USB Host Hub MSD (hub_msd) and Hub CDC + HID (hub_cdc_hid) demo configurations for SAMG55 XPRO. This application demonstrates connecting multiple USB devices to a single USB peripheral through a Hub.
Bug fixes
  • Updated USB Host CDC applications to turn off LED when the USB device is detached.
Known Issues
  • None
Development ToolsHarmony 3 USB Host application examples v3.3.0

Development kit and demo application support

The following table provides the number of USB Host examples available for various development kits.

Development KitsMPLAB X ApplicationsIAR Applications
Curiosity PIC32MX470 Development Board50
Curiosity PIC32MZ EF 2.0 Development Board70
PIC32MK General Purpose (GP) Development Board20
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit10
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit60
Curiosity PIC32MZ W1 Development Board10
SAM D21 Xplained Pro Board61
SAM E54 Xplained Pro Board21
SAM E70 Xplained Ultra Board101
SAMG55 Xplained Pro Board70
SAM L21 Xplained Pro Board10
SAM V71 Xplained Ultra board20
SAM9X60-EK Evaluation Board107
SAM A5D2 Xplained Ultra Board97
SAMA5D27 SOM1 Kit190
ATSAMA5D27-WLSOM1 Evaluation Kit90
New Features
  • Added MPLAB® Code Configurator (MCC) configurations for all demonstration configurations.
  • Added USB Host Root Hub Dual MSD demonstration (root_hub_dual_msd). This application demonstrates connecting multiple USB Devices to a single USB peripheral through ports available on the Root Hub.
Bug fixes
  • None
Known Issues
  • Harmony USB applications for MPUs do not work with XC32 v4.00. All Harmony USB applications for MPUs should be built with XC32 v3.01.
Development ToolsHarmony 3 USB Host application examples v3.2.0Bug fixesNew Features and Enhancements
  • None
Known Issues
  • None
Development Tools
  • Same as v3.1.0
Harmony 3 USB Host application examples v3.1.1Bug fixesNew Features and Enhancements
  • None
Known Issues
  • None
Development Tools
  • Same as v3.1.0
Harmony 3 USB Host application examples v3.1.0

Development kit and demo application support

Following table provides number of USB Host examples available for different development kits.

Development KitsMPLAB X ApplicationsIAR Applications
Curiosity PIC32MX470 Development Board50
Curiosity PIC32MZ EF 2.0 Development Board70
PIC32MK General Purpose (GP) Development Board20
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit10
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit60
Curiosity PIC32MZ W1 Development Board10
SAM D21 Xplained Pro Board61
SAM E54 Xplained Pro Board21
SAM E70 Xplained Ultra Board101
SAMG55 Xplained Pro Board70
SAM L21 Xplained Pro Board10
SAM V71 Xplained Ultra board20
SAM9X60-EK Evaluation Board97
SAM A5D2 Xplained Ultra Board98
SAMA5D27 SOM1 Kit190
ATSAMA5D27-WLSOM1 Evaluation Kit90
New FeaturesBug fixes
  • None
Known Issues
  • None
Development ToolsHarmony 3 USB Host application examples v3.0.1New Features
  • None
Bug fixes
  • Updated MPLAB® Harmony 3 framework relative path for all MPLABX projects.
  • Removed the compiler switch -Winline for all MPLABX projects.
Known Issues
  • None
Development ToolsHarmony 3 USB Host application examples v3.0.0
  • Applications migrated from USB repository to this new application repository for USB Host examples

Development kit and demo application support

Following table provides number of USB Host examples available for different development kits.

Development KitsMPLABx applicationsIAR applications
PIC32MK General Purpose (GP) Development Board20
PIC32MX Curiosity Development Board20
PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit10
Curiosity PIC32MZ EF 2.0 Development Board10
PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit60
Curiosity PIC32MZ W1 Development Board10
SAM9X60-EK Evaluation Board18
SAM A5D2 Xplained Ultra Board08
SAM D11 Xplained Pro Board00
SAM D21 Xplained Pro Board61
SAM DA1 Xplained Pro Board00
SAM E54 Xplained Pro Board21
SAM E70 Xplained Ultra Board101
SAMG55 Xplained Pro Board70
SAM L21 Xplained Pro Board10
SAM L22 Xplained Pro Board00
SAM V71 Xplained Ultra board20

New Features

New features added in this release are as follows:

  • Applications migrated from USB repository to this new application repository for USB Host examples

Known Issues

The current known issues are as follows:

  • None
Development Tools