+/*
+ * 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]);
+}