openpcd/firmware/src/os/trigger.c @ master
1 | 32985a29 | laforge | /* AT91SAM7 Trigger output routines for OpenPCD / OpenPICC
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2 | * (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
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3 | *
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4 | * This program is free software; you can redistribute it and/or modify
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5 | * it under the terms of the GNU General Public License as published by
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6 | * the Free Software Foundation; either version 2 of the License, or
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7 | * (at your option) any later version.
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8 | *
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9 | * This program is distributed in the hope that it will be useful,
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 | * GNU General Public License for more details.
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13 | *
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14 | * You should have received a copy of the GNU General Public License
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15 | * along with this program; if not, write to the Free Software
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16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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17 | *
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18 | */
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19 | |||
20 | 9164ed93 | (no author) | #include <lib_AT91SAM7.h>
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21 | 520784c7 | (no author) | #include <os/trigger.h>
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22 | #include "../openpcd.h"
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23 | caf50003 | (no author) | |
24 | void trigger_init(void) |
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25 | {
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26 | AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER); |
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27 | }
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28 | |||
29 | void trigger_pulse(void) |
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30 | {
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31 | 413ebaab | (no author) | volatile int i; |
32 | caf50003 | (no author) | AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER); |
33 | 413ebaab | (no author) | for (i=0; i < 0xff; i++) |
34 | { } |
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35 | caf50003 | (no author) | AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER); |
36 | }
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