Subversion Repositories usb_fpga_1_15

ucecho

ucecho

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This example is intended for ZTEX USB-FPGA-Modules.

This example is intended for ZTEX USB-FPGA-Modules.

The firmware (defined in ucecho.c) declares Endpoint 2 and Endpoint 4

The firmware (defined in ucecho.c) declares Endpoint 2 and Endpoint 4

(both 512 bytes, double buffered, bulk transfer, belong to interface 0).

(both 512 bytes, double buffered, bulk transfer, belong to interface 0).

All data that is written to Endpoint 4 is converted to uppercase by

All data that is written to Endpoint 4 is converted to uppercase by

the FPGA and can be read back from Endpoint 2.

the FPGA and can be read back from Endpoint 2.

This example does the same as the example in directory ../../all/ucecho

This example does the same as the example in directory ../../all/ucecho

except that the uppercase - lowercase conversion is made by the FPGA.

except that the uppercase - lowercase conversion is made by the FPGA.

The driver (defined in UCEcho.java) uploads the the Firmware (ucecho.ihx)

The driver (defined in UCEcho.java) uploads the the Firmware (ucecho.ihx)

to the EZ-USB Microcontroller and the Bitstream (fpga/ucecho.bit) to the

to the EZ-USB Microcontroller and the Bitstream (fpga/ucecho.bit) to the

FPGA if necessary, sends user string to the device and reads them back.

FPGA if necessary, sends user string to the device and reads them back.