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Chapter 2.Introduction

The RSK USB sample code provides a basis for a developer to add USB device functionality to a system. It includes sample applications for

the three most common USB Device classes

:-

•

Human Interface Device (HID)

•

Communication Device Class - Abstract Control Model (CDC-ACM)

•

Mass Storage Class (MSC)

In addition to the three defined USB classes a LibUSB sample is included.

is an open source project with the aim of providing a library

that a user application can utilise to access a USB device regardless of operating system. A sample using a Microsoft Windows XP host is

provided.

The embedded software is available as source written in ANSI C and does not require an operating system.

The host applications software is also available as source written for MS Windows using +.

This manual describes the technical details of the RSK hardware. The Quick Start Guide and Tutorial Manual provide details of the software

installation and debugging environment.

C

lasses

Sa
m

p

le

s

HID

CDC

MSC

USB Core Driver

HAL

USB Hardware

HID

Demo

CDC

Demo

MSC

Demo

US
B S

ta

ck

LibUSB

Demo

Figure 1 - Embedded SW, including Layers of USB Stack

*

See specific sections for details. Tested with a USB Host PC running MS Windows XP SP2. HID and

LibUSB samples both include a PC Application.

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Содержание H8SX1664

Страница 1: ...0J0134 0100 Renesas Starter Kit for H8SX1664 USB Sample Code User s Manual RENESAS SINGLE CHIP MICROCOMPUTER H8SX FAMILY Rev 1 00 Renesas Technology Europe Ltd Revision date 08 January 2008 www renesas com ...

Страница 2: ... 5 Chapter 4 USB Stack Target 6 4 1 Hardware Abstraction Layer 6 4 2 USBCore 7 4 3 Human Interface Device Class 8 4 4 Communication Device Class 9 4 5 Mass Storage Class 10 Chapter 5 Applications 11 5 1 Introduction to Applications 11 5 2 Human Interface Device Application 11 5 3 Communications Device Class Application 13 5 4 Mass Storage Class Demonstration 16 5 5 LibUSB 17 Chapter 6 Additional I...

Страница 3: ...red trademarks of their respective companies or organisations Copyright Renesas Technology Europe Ltd 2007 All rights reserved Renesas Technology Corporation 2007 All rights reserved Renesas Solutions Corporation 2007 All rights reserved Website http www renesas com Glossary ADC Analog to Digital Converter USB Universal Serial Bus CPU Central Processing Unit DAC Digital to Analog Converter DMA Dir...

Страница 4: ...stem A sample using a Microsoft Windows XP host is provided The embedded software is available as source written in ANSI C and does not require an operating system The host applications software is also available as source written for MS Windows using VisualC This manual describes the technical details of the RSK hardware The Quick Start Guide and Tutorial Manual provide details of the software in...

Страница 5: ...SK To view the serial output the following settings are required Baud 19200 Data 8 Bit Parity None Stop Bits 1 Flow None The level of debug message can be set using the define VERBOSE_LEVEL This is described in the file usb_common h in the USBStack directory Note that a high level of debug messages can significantly slow down the system 3 3 Host Application Software To build the Microsoft Visual C...

Страница 6: ...ion does Here is a list of the functions that make up the USBHAL API Name Description USBHAL_Init Initialise the HAL Register callback functions If using the USB Core layer then this is done automatically USBHAL_Config_Get Get the current HAL configuration USBHAL_Config_Set Set the current HAL configuration USBHAL_Control_ACK Generate an ACK on the Control IN pipe Used following a setup packet USB...

Страница 7: ...ted and this is currently English Manufacturer Product Serial Number The USBCDC API consists of a single function called USBCORE_Init This initialises the USBCore and the HAL In addition to passing device descriptors to this function it also requires call back functions for the following conditions A Setup packet has been received that this layer can t handle This enables a higher layer to handle ...

Страница 8: ...its own drivers for it so there is no need to develop a custom Windows driver or even a Windows inf file This implementation of the HID class supports a single IN report and a single OUT report Both Interrupt IN and Control IN via Get_Report transfers are supported for sending a report to the host Reports from the host must use Control OUT via Set_Report Here are the functions that make up the USB...

Страница 9: ...e the functions that make up the USBCDC API Name Description USBCDC_Init Initialise the CDC module This also initialises the Core and HAL layers USBCDC_IsConnected Returns the connected status of the device USBCDC_WriteString A blocking function that sends a string to the host USBCDC_PutChar A blocking function that sends a character to the host USBCDC_GetChar A blocking function that gets a chara...

Страница 10: ...packaged up in a Command Block Wrapper CBW within a Bulk OUT transfer A data stage may follow in either direction and then to complete the SCSI command the device sends a status response in the form of a Command Status Wrapper CSW The following SCSI commands are supported INQUIRY READ_CAPACITY10 READ10 REQUEST_SENSE TEST_UNIT_READY WRITE10 VERIFY10 PREVENT_ALLOW_MEDIUM_REMOVAL Optional MODE_SENSE6...

Страница 11: ...tion and run the code Connect a USB cable between the PC and the RSK The first time the device is connected to a specific USB port windows will detect the new device and automatically load the intrinsic HID class driver When windows has completed the enumeration process you need to make a connection from the application to the target Click the Connect button and you will be asked to confirm the VI...

Страница 12: ... read request Bit 2 LCD set request Byte 2 17 16 ASCII Characters for LCD An input report is sent whenever a switch on the RSK is pressed or when the host requests a report An output report is sent whenever a user clicks on one of the dialog buttons The HID application functionality specific to USB consists of the following files Target usb_hid_app c usb_hid_app h Host Application PC RSK_HID 12 ...

Страница 13: ...if available Program the RSK with the CDC application and run the code as described in the RSK tutorial manual Connect a USB cable between the host PC and the RSK The first time the device is connected to a specific USB port windows will detect the new device Windows will present the following dialog where you should select No not this time In the following dialog select Install from a list or spe...

Страница 14: ...ort will become available to Window Applications To be able to see the port that has been allocated you can open the Windows Device Manager window To do this go to the start menu and select run In the dialog displayed type devmgmt msc This will open the device manager Expand the group of serial ports and the installed ports will be listed When the Serial Terminal program connects to this COM port ...

Страница 15: ... on the Terminal will be read by the RSK and then echoed back to the terminal Pressing SW3 cancels this echo mode Figure 3 Serial communication dialog The CDC application functionality specific to USB consists of the following files Target usb_cdc_app c usb_cdc_app h Host PC CDC_Demo inf Note that the configuration settings for such things as baud rate and parity are irrelevant for this virtual CO...

Страница 16: ...h a FAT file system and given a volume name of RENESAS The available space for data is 4KB It includes one example file called Renesas txt which can be opened edited and saved As you would expect from a normal drive you can also copy files to it although remember that this is a RAM Disk that will loose its contents when power is removed from the RSK Figure 4 Windows Explorer showing new Disk Drive...

Страница 17: ...ot after a connection has been made and the Read ADC button and the Set LCD button have been used Program the RSK with the LibUSB sample code as described in the RSK tutorial manual Then run the code Connect a USB cable between the host PC and the RSK The first time the device is connected to a specific USB port Windows will detect the new device and ask for the appropriate driver This has been pr...

Страница 18: ...hosen for all messages one for OUT and one for IN IN Message RSK to PC Byte 1 Bit 0 LED status Bit 1 ADC value valid indicator Bit 2 Switch pressed indicator Byte 2 5 32 bit little endian ADC Value OUT Message PC to RSK Byte 1 Bit 0 LED toggle request Bit 1 ADC read request Bit 2 LCD set request Byte 2 17 16 ASCII Characters for LCD An IN message is sent whenever a switch on the RSK is pressed An ...

Страница 19: ...p Hardware Manual For information about the H8SX 1664 assembly language refer to the H8SX Series Programming Manual For information about the E10A Emulator please refer to the H8S H8SX Family E10A USB Emulator User s Manual Further information available for this product can be found on the Renesas website at http www renesas com renesas_starter_kits General information on Renesas Microcontrollers ...

Страница 20: ...User s Manual Publication Date Rev 1 00 08 Jan 2008 Published by Renesas Technology Europe Ltd Dukes Meadow Millboard Road Bourne End Buckinghamshire SL8 5FH United Kingdom 2008 Renesas Technology Europe and Renesas Solutions Corp All Rights Reserved ...

Страница 21: ...Renesas Starter Kit for H8SX1664 USB Sample Code User s Manual Renesas Technology Europe Ltd Dukes Meadow Millboard Road Bourne End Buckinghamshire SL8 5FH United Kingdom ...

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