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