diff options
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_rtc.c')
-rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_rtc.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/stm32/stm32_rtc.c b/nuttx/arch/arm/src/stm32/stm32_rtc.c new file mode 100644 index 000000000..b79a74dcb --- /dev/null +++ b/nuttx/arch/arm/src/stm32/stm32_rtc.c @@ -0,0 +1,80 @@ +/**************************************************************************** + * arch/arm/src/stm32/stm32_rtc.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include "chip.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/* This file is only a thin shell that includes the correct RTC implementation + * for the selected STM32 family. The correct file cannot be selected by + * the make system because it needs the intelligence that only exists in + * chip.h that can associate an STM32 part number with an STM32 family. + * + * The STM32 F4 RTC differs dramatically the F1 RTC. The F1 RTC is a simple + * battery-backed counter; the F4 RTC is provides broken-out data/time in BCD + * format. + */ + +#if defined(CONFIG_STM32_STM32F10XX) +# include "stm32f10xxx_rtc.c" +#elif defined(CONFIG_STM32_STM32F20XX) +# include "stm32f20xxx_rtc.c" +#elif defined(CONFIG_STM32_STM32F40XX) +# include "stm32f40xxx_rtc.c" +#endif |