1 files changed, 97 insertions, 0 deletions
diff --git a/src/vidtime/ao_vidtime.c b/src/vidtime/ao_vidtime.c
new file mode 100644
index 00000000..1b9b9e1c
--- /dev/null
+++ b/src/vidtime/ao_vidtime.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright © 2012 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_exti.h>
+
+static uint8_t	sensor_value;
+static uint8_t	vidtime_monitor;
+
+static void
+vidtime(void)
+{
+	uint8_t	old = 0, got;
+
+	ao_exti_enable(AO_SENSOR_PORT, AO_SENSOR_PIN);
+	for (;;) {
+		while (!vidtime_monitor)
+			ao_sleep(&vidtime_monitor);
+		while ((got = sensor_value) == old)
+			ao_sleep(&sensor_value);
+		printf("%d\n", got);
+		flush();
+		old = got;
+	}
+}
+
+static void
+sensor_interrupt(void)
+{
+	sensor_value = ao_gpio_get(AO_SENSOR_PORT, AO_SENSOR_PIN, foo);
+	ao_wakeup(&sensor_value);
+}
+
+static struct ao_task	vidtime_task;
+
+static void
+ao_init_vidtime(void)
+{
+	ao_enable_port(AO_SENSOR_PORT);
+	ao_exti_setup(AO_SENSOR_PORT, AO_SENSOR_PIN,
+		      AO_EXTI_MODE_RISING|
+		      AO_EXTI_MODE_FALLING|
+		      AO_EXTI_MODE_PULL_NONE|
+		      AO_EXTI_PRIORITY_MED,
+		      sensor_interrupt);
+	ao_add_task(&vidtime_task, vidtime, "vidtime");
+}
+
+static void
+ao_set_vidtime(void)
+{
+	ao_cmd_decimal();
+	if (ao_cmd_status == ao_cmd_success) {
+		vidtime_monitor = ao_cmd_lex_i != 0;
+		ao_wakeup(&vidtime_monitor);
+	}
+}
+
+const struct ao_cmds	ao_vidtime_cmds[] = {
+	{ ao_set_vidtime, "V <0 off, 1 on>\0Enable/disable timing monitor" },
+	{ 0, NULL }
+};
+
+void main(void)
+{
+	ao_clock_init();
+
+	ao_task_init();
+
+	ao_timer_init();
+
+	ao_dma_init();
+
+	ao_init_vidtime();
+
+	ao_usb_init();
+
+	ao_cmd_init();
+
+	ao_cmd_register(&ao_vidtime_cmds[0]);
+
+	ao_start_scheduler();
+}