diff options
Diffstat (limited to 'nuttx/configs/stm32f4discovery/src/up_pm.c')
-rwxr-xr-x | nuttx/configs/stm32f4discovery/src/up_pm.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/nuttx/configs/stm32f4discovery/src/up_pm.c b/nuttx/configs/stm32f4discovery/src/up_pm.c new file mode 100755 index 000000000..3ee0675cb --- /dev/null +++ b/nuttx/configs/stm32f4discovery/src/up_pm.c @@ -0,0 +1,107 @@ +/**************************************************************************** + * configs/stm32f4discovery/src/up_pm.c + * arch/arm/src/board/up_pm.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Authors: Gregory Nutt <gnutt@nuttx.org> + * Diego Sanchez <dsanchez@nx-engineering.com> + * + * 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 <nuttx/power/pm.h> + +#include "up_internal.h" +#include "stm32_pm.h" +#include "stm32f4discovery-internal.h" + +#ifdef CONFIG_PM + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_pminitialize + * + * Description: + * This function is called by MCU-specific logic at power-on reset in + * order to provide one-time initialization the power management subystem. + * This function must be called *very* early in the intialization sequence + * *before* any other device drivers are initialized (since they may + * attempt to register with the power management subsystem). + * + * Input parameters: + * None. + * + * Returned value: + * None. + * + ****************************************************************************/ + +void up_pminitialize(void) +{ + /* Then initialize the NuttX power management subsystem proper */ + + pm_initialize(); + +#if defined(CONFIG_IDLE_CUSTOM) && defined(CONFIG_PM_BUTTONS) + /* Initialize the buttons to wake up the system from low power modes */ + + up_pmbuttons(); +#endif + + /* Initialize the LED PM */ + + up_ledpminitialize(); +} + +#endif /* CONFIG_PM */ |