Resurrect PWR support for F1 and F2.

Just add the missing register bit definitions in new series headers.

Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>

4 files changed, 127 insertions, 0 deletions

diff --git a/libmaple/include/libmaple/pwr.h b/libmaple/include/libmaple/pwr.h
index 8841518..2611587 100644
--- a/libmaple/include/libmaple/pwr.h
+++ b/libmaple/include/libmaple/pwr.h
@@ -37,6 +37,7 @@ extern "C" {
 #endif
 
 #include <libmaple/libmaple.h>
+#include <series/pwr.h>
 
 /** Power interface register map. */
 typedef struct pwr_reg_map {
diff --git a/libmaple/rules.mk b/libmaple/rules.mk
index 4c2a40f..b12e3ff 100644
--- a/libmaple/rules.mk
+++ b/libmaple/rules.mk
@@ -14,6 +14,7 @@ CFLAGS_$(d) = $(LIBMAPLE_PRIVATE_INCLUDES) $(LIBMAPLE_INCLUDES) -Wall -Werror
 cSRCS_$(d) := flash.c
 cSRCS_$(d) += gpio.c
 cSRCS_$(d) += nvic.c
+cSRCS_$(d) += pwr.c
 cSRCS_$(d) += rcc.c
 cSRCS_$(d) += syscalls.c
 cSRCS_$(d) += systick.c
diff --git a/libmaple/stm32f1/include/series/pwr.h b/libmaple/stm32f1/include/series/pwr.h
new file mode 100644
index 0000000..d13ffa7
--- /dev/null
+++ b/libmaple/stm32f1/include/series/pwr.h
@@ -0,0 +1,52 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2012 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.
+ *****************************************************************************/
+
+/**
+ * @file stm32f1/pwr.h
+ * @author Marti Bolivar <mbolivar@leaflabs.com>
+ * @brief STM32F1 Power control (PWR) support.
+ */
+
+#ifndef _LIBMAPLE_STM32F1_PWR_H_
+#define _LIBMAPLE_STM32F1_PWR_H_
+
+/*
+ * Register bit definitions
+ */
+
+/* Control register */
+
+/* PVD level selection */
+#define PWR_CR_PLS_2_2V (0x0 << 5)
+#define PWR_CR_PLS_2_3V (0x1 << 5)
+#define PWR_CR_PLS_2_4V (0x2 << 5)
+#define PWR_CR_PLS_2_5V (0x3 << 5)
+#define PWR_CR_PLS_2_6V (0x4 << 5)
+#define PWR_CR_PLS_2_7V (0x5 << 5)
+#define PWR_CR_PLS_2_8V (0x6 << 5)
+#define PWR_CR_PLS_2_9V (0x7 << 5)
+
+#endif
diff --git a/libmaple/stm32f2/include/series/pwr.h b/libmaple/stm32f2/include/series/pwr.h
new file mode 100644
index 0000000..dec2d76
--- /dev/null
+++ b/libmaple/stm32f2/include/series/pwr.h
@@ -0,0 +1,73 @@
+/******************************************************************************
+ * The MIT License
+ *
+ * Copyright (c) 2012 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.
+ *****************************************************************************/
+
+/**
+ * @file stm32f2/pwr.h
+ * @author Marti Bolivar <mbolivar@leaflabs.com>
+ * @brief STM32F2 Power control (PWR) support.
+ */
+
+#ifndef _LIBMAPLE_STM32F2_PWR_H_
+#define _LIBMAPLE_STM32F2_PWR_H_
+
+/*
+ * Additional register bits
+ */
+
+/* Control register */
+
+/**
+ * @brief Flash power down in stop mode bit.
+ * Availability: STM32F2 */
+#define PWR_CR_FPDS_BIT                 9
+/**
+ * @brief Flash power down in stop mode.
+ * Availability: STM32F2 */
+#define PWR_CR_FPDS                     (1U << PWR_CR_FPDS_BIT)
+
+/* PVD level selection */
+#define PWR_CR_PLS_2_0V                 (0x0 << 5)
+#define PWR_CR_PLS_2_1V                 (0x1 << 5)
+#define PWR_CR_PLS_2_3V                 (0x2 << 5)
+#define PWR_CR_PLS_2_5V                 (0x3 << 5)
+#define PWR_CR_PLS_2_6V                 (0x4 << 5)
+#define PWR_CR_PLS_2_7V                 (0x5 << 5)
+#define PWR_CR_PLS_2_8V                 (0x6 << 5)
+#define PWR_CR_PLS_2_9V                 (0x7 << 5)
+
+/* Control/Status register */
+
+/** Backup regulator enable bit. */
+#define PWR_CSR_BRE_BIT                 9
+/** Backup regulator ready bit. */
+#define PWR_CSR_BRR_BIT                 3
+
+/** Backup regulator enable. */
+#define PWR_CSR_BRE                     (1U << PWR_CSR_BRE_BIT)
+/** Backup regulator ready. */
+#define PWR_CSR_BRR                     (1U << PWR_CSR_BRR_BIT)
+
+#endif