Submitted by Darell Tan:

patch #7244: TPI bitbang implementation
* bitbang.c: Add TPI bitbang stuff.
* bitbang.h: (Ditto.)
* avr.c: (Ditto.)
* avr.h: (Ditto.)
* pgm.c: (Ditto.)
* pgm.h: (Ditto.)
* serbb_posix.c: Wire bitbang_cmd_tpi into the struct pgm.
* serbb_win32.c: (Ditto.)
* par.c: (Ditto.)
* doc/avrdude.texi: Document the TPI bitbang support.



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@976 81a1dc3b-b13d-400b-aceb-764788c761c2

pgm.c

@@ -118,6 +118,7 @@ PROGRAMMER * pgm_new(void)
    * assigned before they are called
    */
   pgm->cmd            = NULL;
+  pgm->cmd_tpi        = NULL;
   pgm->spi            = NULL;
   pgm->paged_write    = NULL;
   pgm->paged_load     = NULL;