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Program/update a C64 DTV over USB via an AVR or ARM based dongle.
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pelrun/dtv2ser
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README.txt dtv2ser - a serial bridge device for the dtvtrans protocol written by Christian Vogelgsang <chris@vogelgsang.org> under the GNU Public License V2 Homepage: http://www.lallafa.de/blog Abstract -------- dtvtrans is a data transfer tool and a PC parallel port cable that allows to directly read or write memory from a DTV (a.k.a. C64 in a Joystick) via its joystick or userport. dtvtrans is developed by Daniel Kahlin/TLR and available here: http://www.kahlin.net/daniel/dtv/cable.php dtv2ser is a small hardware device that implements the dtvtrans protocol on an Atmel ATmega8 microcontroller. The transferred data is then passed through a RS232 high speed serial link to a connected client computer. With this device all PCs with RS232 can use the dtvtrans protocol. With a serial-to-USB adapter the dtv2ser device can be connected to almost all modern hardware. The new dtv2usb device directly combines the serial-to-USB adapter and is realized on a small USB stick like board. The data flow is as follows: DTV <--[dtvtrans]--> dtv2ser <--[RS232]--> serial-to-usb <--[USB]--> client PC +--------------------v-------------+ dtv2usb Features -------- The dtv2ser package currently consists of the following parts: 1.) Hardware - 0.2: a new schematic for an ATmega8 based board with included USB serial converter using a FT 232 RL chip: dtv2usb - 0.2: ready-made board layout for a dtv2usb "stick-like" SMD board - a schematic for a minimal ATmega8 board: dtv2ser with MAX232A based RS232 connection - both boards running at 14.54760 MHz - 3 LEDs for Status: "Ready" (green), "Transmit" (yellow), "Error" (red) - wiring for the dtvtrans DB-9 connector - on board 10 pin ISP connector that is also used for the bootloader jumper, an optional reset switch and optional external power supply. - dtv2usb: on board 3 pin power selector: either from USB or external - 0.5: added Arduino 2009 board support. - 0.6: added ARM blue pill port (see README.arm.txt) --> see hardware/ directory 2.) dtv2ser Server Firmware - implements all dtvtrans commands - a full featured firmware with rich command set - full description of the dtv2ser serial protocol (see doc/dtv2ser-proto.txt) - high speed UART serial transfer up to 230.4 kbps - hardware RTS/CTS handshaking, 8 bit data, parity none, 1 stop bit - config parameters settable during runtime and storable in EEPROM - added a bootloader to update the firmware directly via serial without ISP --> see server/ directory 3.) dtv2sertrans Client Tool - dtv2sertrans command line tool (similar to original dtvtrans tool) - python module for dtv2ser communication - portable: runs on Mac, Linux and Windows - requires PySerial (http://pyserial.sourceforge.net/) --> see client/ directory NOTE: for Linux Users with dtv2ser+usb Hardware: the linux kernel driver for the FT232RL device is broken in some kernel releases! with those dtv2sertrans won't work! tested ok: 2.6.18 tested ERROR: 2.6.22 tested ok: 2.6.24 More Documentation ------------------ In the "docs" directory you will find more documentation on this project. Here is a summary: dtv2ser-setup.txt Setup your dtv2ser device and the dtv2sertrans client command dtv2ser-examples.txt Usage examples of the dtv2sertrans command tool dtv2ser-joystick.txt The new joystick, auto type and bootstrap features added in version 0.3 dtv2ser-proto.txt A detailed description of the low level dtv2ser protocol used by the host PC to communicate with the dtv2ser device. avr-toolchain.txt The commands I used to build a cross compiler toolchain used to compile the server firmware. Hardware Documents (located in the "hardware" directory): dtv2ser.pdf/.png Schematics of the dtv2ser board dtv2ser.sch Eagle schematic of dtv2ser board dtv2usb-sch.pdf/.png Schematics of the dtv2ser+usb board dtv2usb-sch.sch Eagle schematic of dtv2ser+usb board dtv2usb-manual.txt Usage instructions for the dtv2ser+usb device dtv2usb-parts.txt Parts list for the dtv2ser+usb device dtv2ser-arduino.txt Instructions for Arduino 2009 HW setup Have Fun, -chris/lallafa 2.3.2008
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Program/update a C64 DTV over USB via an AVR or ARM based dongle.
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