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-rw-r--r--libopencm3/lib/stm32/f4/pwr.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/libopencm3/lib/stm32/f4/pwr.c b/libopencm3/lib/stm32/f4/pwr.c
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+++ b/libopencm3/lib/stm32/f4/pwr.c
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+/** @defgroup pwr_file PWR
+ *
+ * @ingroup STM32F4xx
+ *
+ * @brief <b>libopencm3 STM32F4xx Power Control</b>
+ *
+ * @version 1.0.0
+ *
+ * @author @htmlonly &copy; @endhtmlonly 2011 Stephen Caudle <scaudle@doceme.com>
+ *
+ * @date 4 March 2013
+ *
+ * This library supports the power control system for the
+ * STM32F4 series of ARM Cortex Microcontrollers by ST Microelectronics.
+ *
+ * LGPL License Terms @ref lgpl_license
+ */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2011 Stephen Caudle <scaudle@doceme.com>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <libopencm3/stm32/pwr.h>
+
+void pwr_set_vos_scale(vos_scale_t scale)
+{
+ if (scale == SCALE1) {
+ PWR_CR |= PWR_CR_VOS;
+ } else if (scale == SCALE2) {
+ PWR_CR &= PWR_CR_VOS;
+ }
+}