From 40f3ac58fb00ef4899638b6a42c4d7d1eaa643ce Mon Sep 17 00:00:00 2001 From: Karl Palsson Date: Wed, 14 Nov 2012 00:09:17 +0000 Subject: [PATCH] [l1] Add PWR register definitions Just the include file. --- include/libopencm3/stm32/l1/pwr.h | 93 +++++++++++++++++++++++++++++++ 1 file changed, 93 insertions(+) create mode 100644 include/libopencm3/stm32/l1/pwr.h diff --git a/include/libopencm3/stm32/l1/pwr.h b/include/libopencm3/stm32/l1/pwr.h new file mode 100644 index 00000000..309b4642 --- /dev/null +++ b/include/libopencm3/stm32/l1/pwr.h @@ -0,0 +1,93 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2011 Stephen Caudle + * Copyright (C) 2012 Karl Palsson + * + * 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 . + */ + +#ifndef LIBOPENCM3_PWR_L1_H +#define LIBOPENCM3_PWR_L1_H + +#include + +/* + * This file extends the common STM32 version with definitions only + * applicable to the STM32L1 series of devices. + */ + +/* --- PWR_CR values ------------------------------------------------------- */ + +/* Bits [31:15]: Reserved */ + +/* LPRUN: Low power run mode */ +#define PWR_CR_LPRUN (1 << 14) + +/* VOS[12:11]: Regulator voltage scaling output selection */ +#define PWR_CR_VOS_LSB 11 +/** @defgroup pwr_vos Voltage Scaling Output level selection +@ingroup STM32F_pwr_defines + +@{*/ +#define PWR_CR_VOS_RANGE1 (0x1 << PWR_CR_VOS_LSB) +#define PWR_CR_VOS_RANGE2 (0x2 << PWR_CR_VOS_LSB) +#define PWR_CR_VOS_RANGE3 (0x3 << PWR_CR_VOS_LSB) +/**@}*/ +#define PWR_CR_VOS_MASK (0x3 << PWR_CR_VOS_LSB) + +/* FWU: Fast wakeup */ +#define PWR_CR_FWU (1 << 10) + +/* ULP: Ultralow power mode */ +#define PWR_CR_ULP (1 << 9) + +/* --- PWR_CSR values ------------------------------------------------------- */ + +/* Bits [31:11]: Reserved */ +/* EWUP3: Enable WKUP3 pin */ +#define PWR_CSR_EWUP3 (1 << 10) + +/* EWUP2: Enable WKUP2 pin */ +#define PWR_CSR_EWUP2 (1 << 9) + +/* EWUP1: Enable WKUP1 pin */ +#define PWR_CSR_EWUP1 PWR_CSR_EWUP + +/* REGLPF : Regulator LP flag */ +#define PWR_CSR_REGLPF (1 << 5) + +/* VOSF: Voltage Scaling select flag */ +#define PWR_CSR_VOSF (1 << 4) + +/* VREFINTRDYF: Internal voltage reference (VREFINT) ready flag */ +#define PWR_CSR_VREFINTRDYF (1 << 3) + + + +/* --- Function prototypes ------------------------------------------------- */ + +typedef enum { + RANGE1, + RANGE2, + RANGE3, +} vos_scale_t; + +BEGIN_DECLS + +void pwr_set_vos_scale(vos_scale_t scale); + +END_DECLS + +#endif