1 files changed, 90 insertions, 0 deletions
diff --git a/src/usbrelay-v0.1/ao_usbrelay.c b/src/usbrelay-v0.1/ao_usbrelay.c
new file mode 100644
index 00000000..879094b5
--- /dev/null
+++ b/src/usbrelay-v0.1/ao_usbrelay.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright © 2014 Bdale Garbee <bdale@gag.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>
+
+uint8_t		relay_output;
+
+void
+ao_relay_init(void)
+{
+	lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_GPIO);
+        lpc_gpio.dir[RELAY_PORT] |= RELAY_BIT;
+}
+
+// switch relay to selected output, turn correct LED on as a side effect
+static void
+ao_relay_control(uint8_t output)
+{
+	switch (output) {
+	case 1:
+		lpc_gpio.pin[RELAY_PORT] |= RELAY_BIT;
+		ao_led_on(AO_LED_RED);
+		ao_led_off(AO_LED_GREEN);
+		break;
+	default:
+		lpc_gpio.pin[RELAY_PORT] &= ~RELAY_BIT;
+		ao_led_off(AO_LED_RED);
+		ao_led_on(AO_LED_GREEN);
+	}
+}
+
+static void
+ao_relay_select(void) __reentrant
+{
+	uint8_t output;
+
+	ao_cmd_decimal();
+        if (ao_cmd_status != ao_cmd_success)
+                return;
+	output = ao_cmd_lex_i;
+	if (output > 1) 
+		printf ("Invalid relay position %u\n", output);
+	else
+		ao_relay_control(output);
+}
+
+static __code struct ao_cmds ao_relay_cmds[] = {
+	{ ao_relay_select, "R <output>\0Select relay output" },
+	{ 0, NULL }
+};
+
+void
+main(void)
+{
+	ao_clock_init();
+	ao_task_init();
+	ao_timer_init();
+
+	ao_usb_init();
+
+	ao_serial_init();
+
+	ao_led_init(LEDS_AVAILABLE);
+
+	ao_relay_init();
+
+	// initialize to default output
+	relay_output = 0;
+	ao_relay_control(relay_output);
+
+	ao_cmd_init();
+
+	ao_cmd_register(ao_relay_cmds);
+
+	ao_start_scheduler();
+}