Refactor backup (BKP) and power (PWR) routines.

1 files changed, 42 insertions, 0 deletions

diff --git a/libmaple/pwr.c b/libmaple/pwr.c
new file mode 100644
index 0000000..b43193e
--- /dev/null
+++ b/libmaple/pwr.c
@@ -0,0 +1,42 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2011 LeafLabs, LLC.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *****************************************************************************/
+
+#include "pwr.h"
+#include "rcc.h"
+
+pwr_dev pwr = {
+    .regs = PWR_BASE;
+};
+
+const pwr_dev *PWR = &pwr;
+
+/**
+ * Enables the power interface clock, and resets the power device.
+ */
+void pwr_init(void) {
+    rcc_clk_enable(RCC_PWR);
+    rcc_reset_dev(RCC_PWR);
+}