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In lieu of Michael Holzt, add his serbb serial bit-bang code so it

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will be available in the upcoming avrdude release.

His addition has been implemented by means of a generalized bit-bang
interface that contains the common part between serial and paralle
bit-bang devices, and specialed backends for the serial and parallel
port connections.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@515 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch
2005-09-18 20:12:23 +00:00
parent 8ea8105786
commit 5c8f87e395
16 changed files with 1130 additions and 302 deletions
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13
doc/avrdude.texi
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@@ -129,9 +129,10 @@ from the contents of a file, while interactive mode is useful for
exploring memory contents, modifing individual bytes of eeprom,
programming fuse/lock bits, etc.
AVRDUDE supports five basic programmer types: Atmel's STK500,
AVRDUDE supports six basic programmer types: Atmel's STK500,
Atmel's JTAG ICE mkII, appnote
avr910, appnote avr109 (including the AVR Butterfly),
serial bit-bang adapters,
and the PPI (parallel port interface). PPI represents a class
of simple programmers where the programming lines are directly
connected to the PC parallel port. Several pin configurations exist
@@ -139,7 +140,15 @@ for several variations of the PPI programmers, and AVRDUDE can be be
configured to work with them by either specifying the appropriate
programmer on the command line or by creating a new entry in its
configuration file. All that's usually required for a new entry is to
tell AVRDUDE which pins to use for each programming function.
tell AVRDUDE which pins to use for each programming function.
A number of equally simple bit-bang programming adapters that connect
to a serial port are supported as well, among them the popular
Ponyprog serial adapter, and the DASA and DASA3 adapters that used to
be supported by uisp(1). Note that these adapters are meant to be
attached to a physical serial port. Connecting to a serial port
emulated on top of USB is likely to not work at all, or to work
abysmally slow.
The STK500, JTAG ICE, avr910, and avr109/butterfly use the serial port to communicate with the PC.
The STK500, JTAG ICE, and avr910 contain on-board logic to control the programming of the target