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/*
* Copyright © 2010 Keith Packard <keithp@keithp.com>
*
* 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; version 2 of the License.
*
* 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#include "ao.h"
#include "ao_pins.h"
static void
ao_pins_enable(void)
{
#if defined(TELEDONGLE_V_0_2)
P0DIR = 0xff;
P1DIR = 0x3f;
P2DIR = 0x1f;
#elif defined(TELEDONGLE_V_0_1)
P0DIR = 0xff;
P1DIR = 0x3f;
P2DIR = 0x1f;
#else
#error "ao_pins not configured for this device"
#endif
}
static void
ao_pins_set(void)
{
uint8_t reg, val;
ao_pins_enable();
for (;;) {
ao_cmd_white();
if (ao_cmd_lex_c == '\n')
break;
ao_cmd_hex();
reg = ao_cmd_lex_i;
ao_cmd_hex();
val = ao_cmd_lex_i;
if (ao_cmd_status != ao_cmd_success)
break;
switch (reg) {
case 0:
P0 = val;
break;
case 1:
P1 = val;
break;
case 2:
P2 = val;
break;
}
}
}
__code struct ao_cmds ao_pins_cmds[] = {
{ 'o', ao_pins_set, "o <0|1|2> <hex value> ... Set GPIO output" },
{ 0, ao_pins_set, 0 },
};
void
ao_pins_init(void)
{
ao_cmd_register(&ao_pins_cmds[0]);
}
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