Added initial support for the LuminaryMicro LM3S family.

lib/lm3s/gpio.c

@@ -0,0 +1,32 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2011 Gareth McMullin <gareth@blacksphere.co.nz>
+ *
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/lm3s/gpio.h>
+
+void gpio_set(u32 gpioport, u8 gpios)
+{
+	/* ipaddr[9:2] mask the bits to be set, hence the array index */
+	GPIO_DATA(gpioport)[gpios] = 0xff;
+}
+
+void gpio_clear(u32 gpioport, u8 gpios)
+{
+	GPIO_DATA(gpioport)[gpios] = 0;
+}
+