Renaming lib code for stm32 f1 series.

lib/stm32f1/systick.c

@@ -0,0 +1,64 @@
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * 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/stm32/systick.h>
+
+void systick_set_reload(u32 value)
+{
+	STK_LOAD = (value &  0x00FFFFFF);
+}
+
+u32 systick_get_value(void)
+{
+	return STK_VAL;
+}
+
+void systick_set_clocksource(u8 clocksource)
+{
+	if (clocksource < 2)
+		STK_CTRL |= (clocksource << STK_CTRL_CLKSOURCE_LSB);
+}
+
+void systick_interrupt_enable(void)
+{
+	STK_CTRL |= STK_CTRL_TICKINT;
+}
+
+void systick_interrupt_disable(void)
+{
+	STK_CTRL &= ~STK_CTRL_TICKINT;
+}
+
+void systick_counter_enable(void)
+{
+	STK_CTRL |= STK_CTRL_ENABLE;
+}
+
+void systick_counter_disable(void)
+{
+	STK_CTRL &= ~STK_CTRL_ENABLE;
+}
+
+u8 systick_get_countflag(void)
+{
+	if (STK_CTRL & STK_CTRL_COUNTFLAG)
+		return 1;
+	else
+		return 0;	
+}