mspdebug/drivers/jtdev.h

63 lines
2.0 KiB
C

/* MSPDebug - debugging tool for MSP430 MCUs
* Copyright (C) 2009-2012 Daniel Beer
* Copyright (C) 2012 Peter Bägel
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef JTDEV_H_
#define JTDEV_H_
struct jtdev {
int port;
uint8_t data_register;
uint8_t control_register;
int failed;
};
/* Initialize/destroy a parallel-port JTAG interface. jtdev_open()
* returns 0 on success or -1 if an error occurs.
*
* All other JTAG IO functions indicate errors by setting the failed
* field in the jtdev structure.
*/
int jtdev_open(struct jtdev *p, const char *device);
void jtdev_close(struct jtdev *p);
/* Connect/release JTAG */
void jtdev_power_on(struct jtdev *p);
void jtdev_power_off(struct jtdev *p);
void jtdev_connect(struct jtdev *p);
void jtdev_release(struct jtdev *p);
/* Low-level IO */
void jtdev_tck(struct jtdev *p, int out);
void jtdev_tms(struct jtdev *p, int out);
void jtdev_tdi(struct jtdev *p, int out);
void jtdev_rst(struct jtdev *p, int out);
void jtdev_tst(struct jtdev *p, int out);
int jtdev_tdo_get(struct jtdev *p);
/* TCLK management */
void jtdev_tclk(struct jtdev *p, int out);
int jtdev_tclk_get(struct jtdev *p);
void jtdev_tclk_strobe(struct jtdev *p, unsigned int count);
/* LED indicators */
void jtdev_led_green(struct jtdev *p, int out);
void jtdev_led_red(struct jtdev *p, int out);
#endif