Code Examples

This section contains examples of how to build applications in several popular languages which use the FTDI’s D2XX drivers to communicate with FTDI devices. Possible to specify a message which will be displayed before the computer will be shutdown. Another command line remote shutdown utility which is able to power-off and switch PC to a standby code Examples is available here.

RAS Enumerator – Routines to enumerate Remote Access Service`s properties as the User Name, Password, etc. PWL_SHOW – Routines to show . Source codes for Visual C, Delphi and Assembler. Exports sections in a PE file. LDTOOL32- Looking for Descriptors tables under the 32 bit protected mode Windows 95.

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The articles on the left provide an introduction to R for people who are already familiar with other programming languages. The page you are looking for might have been removed, had its name changed, or is temporarily unavailable. Please check the address bar to make sure the link is typed correctly, use the links below to locate the information you want, or search the site for another destination. If you are certain that this URL is valid, please send us feedback about the broken link. Building and consuming a web service is easy in Visual Studio and other IDEs, but if you find yourself armed with only notepad. Net web application via SOAP, the following method is an alternative way of communicating with web services. Save one of the above as webservice.

Code Examples

Code Examples

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Save one of the above as webserviceconsumer. When called, the result will be “5”. XML response handling to interface with other web services. This serial interface lets you download configuration files into a Xilinx FPGA over USB 2. The firmware files with this application note are designed and tested for Xilinx FPGAs, but you can customize them for other FGPAs with a similar interface. The project associated with this application note shows you different strategies to maximize USB 3.

The project associated with this application note, demonstrates how to implement a converter that connects to the image sensor on one side and to a USB 3. The project associated with this application note demonstrates how to use the Cypress library for Microsoft . NET languages to implement host PC applications to communicate with Cypress’s FX2LP and FX3 devices. FX2LP or FX3-based device at a high level of abstraction. It includes a step-by-step procedure for developing the bulk-loop example.

II Designer tool is used to develop the interface using a graphical state machine entry. The following Code Examples are integrated with FX3 SDK. This example demonstrates the use of DMA AUTO channels. The data received in EP1 OUT is looped back to EP1 IN without any firmware intervention. This type of channel provides the maximum throughput and is the simplest of all DMA configurations.

This example demonstrates the use of DMA AUTO_SIGNAL channels. This type of channel is similar to AUTO channel except for the event signaling provided for every buffer received by FX3. Even though the throughput is same as that of AUTO channel, the CPU is involved every time a buffer of data is received by FX3 due to interrupts received during the buffer generation. This example demonstrates the use of DMA MANUAL channels. The data received in EP1 OUT is looped back to EP1 IN after every bit in the received data is inverted.

In this type of channel, the CPU has to explicitly commit the received data. The CPU also gets a change to modify the data received before sending it out of the device. The data manipulation is done in place and does not require any memory to memory copy. This example demonstrates the use of DMA MANUAL_IN and MANUAL_OUT channels. The data received in EP1 OUT through a MANUAL_IN channel and is copied to a MANUAL_OUT channel so that it can be looped back to EP1 IN. MANUAL_IN channel is used to receive data into the FX3 device. This example demonstrates the use of DMA AUTO_MANY_TO_ONE channels.

The data received from EP1 OUT and EP2 OUT is looped back to EP1 IN in an interleaved fashion. In this type of channel, the data is sent out without any firmware intervention. The buffers received on EP1 IN will be of the fashion: EP1 OUT Buffer 0, EP2 OUT Buffer 0, EP1 OUT Buffer 1, EP2 OUT Buffer 1 and so on. This example demonstrates the use of DMA MANUAL_MANY_TO_ONE channels.

This channel is similar to AUTO_MANY_TO_ONE except for the fact that the data has to be committed explicitly by the CPU and the CPU can modify the data before being sent out. This example demonstrates the use of DMA AUTO_ONE_TO_MANY channels. The data received from EP1 OUT is looped back to EP1 IN and EP2 IN in an interleaved fashion. The buffers received on EP1 IN will be of the fashion: EP1 OUT Buffer 0, EP1 OUT Buffer 2 and so on and buffers received on EP2 IN will of the fashion: EP1 OUT Buffer 1, EP1 OUT Buffer 3 and so on.

This example demonstrates the use of DMA MANUAL_ONE_TO_MANY channels. This channel is similar to AUTO_ONE_TO_MANY except for the fact that the data has to be committed explicitly by the CPU and the CPU can modify the data before being sent out. This example demonstrates the use of DMA MULTICAST channels. The data received from EP1 OUT is looped back to EP1 IN and EP2 IN. Both IN EPs shall receive the same data.

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In this type of channel, the data received from the producer shall be sent out to all consumers. The channel requires CPU intervention and buffers have to be explicitly committed. This example demonstrates the use of DMA MANUAL channels where a header and footer get added to the data before sending out. The data received from EP1 OUT is looped back to EP1 IN after adding the header and footer. The addition of header and footer does not require the copy of the entire data.

Code Examples

This example demonstrates the use of DMA MANUAL channels where a header and footer get removed from the data before sending out. The DMA channel is a helpful construct that allows for simple data transfer. The low level DMA descriptor and DMA socket APIs allow for finer constructs. This example uses these APIs to implement a simple bulkloop back example where a buffer of data received from EP1 OUT is looped back to EP1 IN. FX3 device has the data cache disabled by default.

The data cache is useful when there is large amount of data modifications done by the CPU. But enabling D-cache adds additional constraints for managing the data cache. This example demonstrates how DMA transfers can be done with the data cache enabled. This example demonstrates the use of RVDS 4. 0 for building the firmware examples. This is same as the cyfxbulklpmanual example.

The example demonstrates the normal mode USB enumeration. All standard setup requests from the USB host PC are handled by the FX3 application example. The example implements a simple bulkloop back example using DMA AUTO channel. The example demonstrates the use of FX3 as a data source and a data sink using bulk endpoints. All data received on EP1 OUT are discarded and EP1 IN always sends out pre filled buffers.

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This example can be used to measure the throughput for the system. This example demonstrates the use of stream enabled bulk endpoints using FX3 device. This example is specific to USB 3. 0 and requires the PC USB host stack to be stream capable. The example enables four streams of data to be looped back though EP1 OUT to EP1 IN using DMA AUTO channels.

Code Examples

This example demonstrates the loopback of data through ISO endpoints. This example is similar to the cyfxbulklpauto except for the fact that the endpoints used here are isochronous instead of bulk. The data received on EP3 OUT is looped back to EP3 IN. This example is similar to the cyfxbulklpmaninout except for the fact that the endpoints used here are isochronous instead of bulk.

The example demonstrates the use of FX3 as a data source and a data sink using ISO endpoints. All data received on EP3 OUT are discarded and EP3 IN always sends out pre filled buffers. This example is similar to the cyfxbulksrcsink except for the fact that the endpoints used here are isochronous instead of bulk. This example demonstrates the use of FX3 to program the I2C and SPI boot sources for FX3. FX3 can boot from I2C EEPROMs and SPI Flash and this utility can be used to write the firmware image to these. This example demonstrates the use of USB interrupt endpoint to log the debug data from the FX3 device.

The default debug logging in all other examples are done through the UART. This example shows how any consumer socket can be used to log FX3 debug data. The example implements a bulkloop back example with DMA AUTO channel. This example demonstrates the use of FX3 as a USB 2. The example supports simple HID mouse class and simple MSC class devices. This example demonstrates the use of FX3 as an OTG device which when connected to a USB host is capable of doing a bulkloop back using DMA AUTO channel. When connected to a USB mouse, it can detect and use the mouse to track the three button states, X, Y, and scroll changes.

This example demonstrates the full OTG capability of the FX3 device. When connected to a USB PC host, it acts a bulkloop device. This example demonstrates the use of simple GPIOs to be used as input and output. It also implements the use of GPIO interrupt on the input line. The FX3 device has eight complex GPIO blocks that can be used to implement various functions such as timer, counter and PWM. The example demonstrates the use of complex GPIO APIs to implement three features: a counter, PWM and to measure the low time period for an input signal. This example demonstrates the use of UART in register mode of operation.

The data is read from the UART RX byte by byte and is sent out on UART TX byte by byte using register mode APIs. This example demonstrates the use of UART in DMA mode of operation. The data is read from UART RX and sent to UART TX without any firmware intervention. The data is received and transmitted only when the buffer is filled up. DMA mode of operation is useful when there is large amount of data to be transferred. This example demonstrates the use of I2C master in register mode of operation.

mxtj Jun 6, 2013 at 10:21 UTC

I2C EEPROM attached to the FX3 device using register mode APIs. This example demonstrates the use of I2C master in DMA mode of operation. I2C EEPROM attached to the FX3 device using DMA channels. This example demonstrates the use of SPI master in register mode of operation. SPI Flash attached to the FX3 device using register mode APIs.

Code Examples

This example demonstrates the use of SPI master in DMA mode of operation. SPI Flash attached to the FX3 device using DMA channels. This example demonstrates the use of GPIO to build an SPI master. SPI Flash attached to the FX3 device using FX3 GPIOs. This example demonstrates the use of I2S APIs.

The example sends the data received on EP1 OUT to the left channel and EP2 OUT to the right channel. This example implements a CDC-ACM-compliant USB to UART bridge using the USB and UART APIs. This example demonstrates the USB video class device stack implementation for FX3. The example repeatedly streams the pre-filled images from the FX3 system memory to the USB host PC. The example is similar to the UVC example, but uses Bulk endpoints instead of Isochronous endpoints. This example demonstrates the use of FX3 GPIF-II to implement an asynchronous slave FIFO. The example transmits the data received from USB host on EP1 OUT to the slave FIFO egress socket and also transmits the data received on slave FIFO ingress socket to EP1 IN.

This requires a slave FIFO master capable of reading and writing data to be attached to FX3. This example demonstrates the use of FX3 GPIF-II to implement a synchronous slave FIFO. This example implements a USB-to-Asynchronous Slave FIFO bridge device, which makes use of all the endpoints supported by the FX3 device. A 5-bit addressed version of the Slave FIFO protocol is used such that 32 DMA channels can be created across the GPIF-II port. This example implements a USB-to-Synchronous Slave FIFO bridge device, which makes use of all the endpoints supported by the FX3 device. This library contains the FX3 firmware driver and API source for GPIO, I2S, I2C, SPI and UART.

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The corresponding register set is documented in the FX3 Programmer’s Manual. This examples shows how the mass storage command handling can be implemented in FX3 firmware. This example provides a Mass Storage Class interface through which USB host can access the SD cards or eMMC devices connected to the FX3S device. MMC devices through the GPIF port.

ADMux interface is used on the GPIF side, and the P-port mailbox registers are used to receive control requests from the external processor. The firmware interprets the various requests received, and initiates data transfers that are requested by the processor. This example illustrates the use of the FX3S APIs to integrate a FAT file system. The application creates a basic UART based shell which can be used to list, read and write files stored on the storage devices.

The block driver required by the file system is implemented using the FX3S storage APIs. Create an empty file with the specified name. Remove a single file or an empty directory from the file system. Create a new directory with the specified name. List the contents of a directory.

Code Examples

Read and print the contents of the specified file. This example illustrates the use of the FX3S SDIO APIs by implementing a USB-UART device over an SDIO card with a UART Function. The example is expected to work with any SDIO device with a standard UART interface compliant function. It has been developed and tested on the ARASAN AC2200 SDIO HDK platform. This example enumerates with a UART Baud rate of 9600 Baud and it is the only baud rate supported for this example.

This example implements a microphone compliant with the USB Audio Class specification. The audio data is not sourced from an actual microphone, but is read from an SPI flash connected to the FX3 device. The audio data is then streamed over isochronous endpoints to the USB host. A simple set of APIs have been provided as a separate library to implement two stage booting.

This example demonstrates the use of these APIs. Configuration files that can be used for Real View Tool chain is also provided. This example has been provided for use with the Aptina AS0260 image sensor. This example has been provided for use with the Omnivision OV5640 image sensor. This example demonstrates the usage of the FX3 boot API to sample Switches and control GPIOs.

Code Examples