X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/5f776f4785960c71f3ac0bd8784b33812a9abc90..de8313cd9b7ac44b83a819ea7d4c1a00d16da7e4:/Projects/XPLAINBridge/XPLAINBridge.txt diff --git a/Projects/XPLAINBridge/XPLAINBridge.txt b/Projects/XPLAINBridge/XPLAINBridge.txt index a117560db..f967d3b76 100644 --- a/Projects/XPLAINBridge/XPLAINBridge.txt +++ b/Projects/XPLAINBridge/XPLAINBridge.txt @@ -47,20 +47,21 @@ * \section SSec_Description Project Description: * * This project serves a dual purpose. When loaded into the USB AVR on the XPLAIN board, it will act as either a USB to Serial - * converter for the XPLAIN's hardware USART (at a speed of 9600 baud), or a PDI programmer for the XMEGA. This project replaces - * the firmware preloaded onto the XPLAIN's onboard AT90USB1287 microcontroller. + * converter for the XPLAIN's hardware USART (at a speed of 9600 baud), or an AVRStudio compaible PDI programmer for the XMEGA. + * This project replaces the firmware preloaded onto the XPLAIN's onboard AT90USB1287 microcontroller. * - * When inserted, the JTAG port's TDI pin is read. If the pin is left high, the device will enumerate as a regular COM port on - * the host, which can then be opened and data exchanged between the XMEGA and Host as if the XMEGA was connected directly to - * the host's serial port. If the pin is pulled low, the device will enumerate as an AVRISP-MKII to the host, so that the XMEGA - * can be reprogrammed by AVRStudio or other compatible software such as avrdude. + * When power to the board is applied, the TDI pin (pin 9) of the USB AVR's JTAG port is read. If the pin is left high, the device + * will enumerate as a regular COM port on the host, which can then be opened and data exchanged between the XMEGA and Host as if + * the XMEGA was connected directly to the host's serial port. If the pin is pulled low by shorting it to GND (pin 10), the device + * will enumerate as an AVRISP-MKII to the host, so that the XMEGA can be reprogrammed by AVRStudio or other compatible software + * such as avrdude. * * After running this project for the first time on a new computer, you will need to supply the .INF file located in this project * project's directory as the device's driver when running under Windows. This will enable Windows to use its inbuilt CDC drivers, * negating the need for custom drivers for the device. Other Operating Systems should automatically use their own inbuilt CDC-ACM * drivers. * - * This project relies on files from the LUFA AVRISP-MKII project. + * This project relies on files from the LUFA AVRISP-MKII project for compilation. * * \section SSec_Options Project Options *