first cut of usbrelay-v0.1 support .. LEDs wiggle, not switching relay yet

[fw/altos] / src / usbrelay-v0.1 / ao_usbrelay.c

diff --git a/src/usbrelay-v0.1/ao_usbrelay.c b/src/usbrelay-v0.1/ao_usbrelay.c
new file mode 100644 (file)
index 0000000..5f4bf96
--- /dev/null
+++ b/src/usbrelay-v0.1/ao_usbrelay.c
@@ -0,0 +1,78 @@
+/*
+ * 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;
+
+// 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:
+               ao_led_on(AO_LED_RED);
+               ao_led_off(AO_LED_GREEN);
+               break;
+       default:
+               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;
+
+       printf ("Relay control not implemented yet, %u selected\n", output);
+       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);
+
+       // initialize to default output
+       relay_output = 0;
+       ao_relay_control(relay_output);
+
+       ao_cmd_init();
+
+       ao_cmd_register(ao_relay_cmds);
+
+       ao_start_scheduler();
+}