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Add support for the AVR Dragon (JTAG and ISP mode).

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git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@675 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
joerg_wunsch
2006-10-26 21:14:10 +00:00
parent c41831dd90
commit 2f798223d1
11 changed files with 258 additions and 6 deletions
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94
stk500v2.c
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@@ -2193,6 +2193,73 @@ static int stk500v2_jtagmkII_open(PROGRAMMER * pgm, char * port)
}
/*
* Wrapper functions for the AVR Dragon in ISP mode. This mode
* uses the normal JTAG ICE mkII packet stream to communicate with the
* ICE, but then encapsulates AVRISP mkII commands using
* CMND_ISP_PACKET.
*/
/*
* Open an AVR Dragon in ISP mode.
*/
static int stk500v2_dragon_isp_open(PROGRAMMER * pgm, char * port)
{
long baud;
if (verbose >= 2)
fprintf(stderr, "%s: stk500v2_dragon_isp_open()\n", progname);
/*
* The JTAG ICE mkII always starts with a baud rate of 19200 Bd upon
* attaching. If the config file or command-line parameters specify
* a higher baud rate, we switch to it later on, after establishing
* the connection with the ICE.
*/
baud = 19200;
/*
* If the port name starts with "usb", divert the serial routines
* to the USB ones. The serial_open() function for USB overrides
* the meaning of the "baud" parameter to be the USB device ID to
* search for.
*/
if (strncmp(port, "usb", 3) == 0) {
#if defined(HAVE_LIBUSB)
serdev = &usb_serdev;
baud = USB_DEVICE_AVRDRAGON;
#else
fprintf(stderr, "avrdude was compiled without usb support.\n");
return -1;
#endif
}
strcpy(pgm->port, port);
pgm->fd = serial_open(port, baud);
/*
* drain any extraneous input
*/
stk500v2_drain(pgm, 0);
if (jtagmkII_getsync(pgm, EMULATOR_MODE_SPI) != 0) {
fprintf(stderr, "%s: failed to sync with the JTAG ICE mkII in ISP mode\n",
progname);
pgm->close(pgm); /* sign off correctly */
exit(1);
}
pgmtype = PGMTYPE_JTAGICE_MKII;
if (pgm->bitclock != 0.0) {
if (pgm->set_sck_period(pgm, pgm->bitclock) != 0)
return -1;
}
return 0;
}
void stk500v2_initpgm(PROGRAMMER * pgm)
{
strcpy(pgm->type, "STK500V2");
@@ -2315,3 +2382,30 @@ void stk500v2_jtagmkII_initpgm(PROGRAMMER * pgm)
pgm->perform_osccal = stk500v2_perform_osccal;
pgm->page_size = 256;
}
void stk500v2_dragon_isp_initpgm(PROGRAMMER * pgm)
{
strcpy(pgm->type, "DRAGON_ISP");
/*
* mandatory functions
*/
pgm->initialize = stk500v2_initialize;
pgm->display = stk500v2_display;
pgm->enable = stk500v2_enable;
pgm->disable = stk500v2_disable;
pgm->program_enable = stk500v2_program_enable;
pgm->chip_erase = stk500v2_chip_erase;
pgm->cmd = stk500v2_cmd;
pgm->open = stk500v2_dragon_isp_open;
pgm->close = jtagmkII_close;
/*
* optional functions
*/
pgm->paged_write = stk500v2_paged_write;
pgm->paged_load = stk500v2_paged_load;
pgm->print_parms = stk500v2_print_parms;
pgm->set_sck_period = stk500v2_set_sck_period_mk2;
pgm->page_size = 256;
}