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98 lines
4.3 KiB
C
Executable file
98 lines
4.3 KiB
C
Executable file
/* mbed Microcontroller Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MBED_SLEEP_EX_API_H
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#define MBED_SLEEP_EX_API_H
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#include "device.h"
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#if DEVICE_SLEEP
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Sleep Eake Up event, the User application also
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need to config the peripheral to trigger wake up event */
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#define SLEEP_WAKEUP_BY_STIMER (SLP_STIMER) // wake up by system timer
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#define SLEEP_WAKEUP_BY_GTIMER (SLP_GTIMER) // wake up by General purpose timer timeout
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#define SLEEP_WAKEUP_BY_GPIO_INT (SLP_GPIO) // wake up by GPIO Port A[7:0] Interrupt
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#define SLEEP_WAKEUP_BY_WLAN (SLP_WL) // wake up by WLan event
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#define SLEEP_WAKEUP_BY_NFC (SLP_NFC) // wake up by NFC event
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#define SLEEP_WAKEUP_BY_SDIO (SLP_SDIO) // wake up by SDIO event
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#define SLEEP_WAKEUP_BY_USB (SLP_USB) // wake up by USB event
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// Deep Standby Wakeup event
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#define STANDBY_WAKEUP_BY_STIMER (BIT0) // wake up by system timer
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#define STANDBY_WAKEUP_BY_NFC (BIT1) // wake up by NFC event
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//#define SLEEP_WAKEUP_BY_DS_TIMER (BIT2) // The timer to wakeup from Deep Sleep timer
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// Do not modify these definition, or need to modify the code also.
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#define STANDBY_WAKEUP_BY_PA5 (BIT4) // GPIO Port A[5]
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#define STANDBY_WAKEUP_BY_PC7 (BIT5) // GPIO Port C[7]
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#define STANDBY_WAKEUP_BY_PD5 (BIT6) // GPIO Port D[5]
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#define STANDBY_WAKEUP_BY_PE3 (BIT7) // GPIO Port E[3]
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// Deep Sleep Wakeup event
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#define DSLEEP_WAKEUP_BY_TIMER (DS_TIMER33)
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#define DSLEEP_WAKEUP_BY_GPIO (DS_GPIO) // GPIO Port B[1]
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typedef struct _SLEEP_WKUP_EVENT_ {
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u8 wakeup_event; // Wake up event: Timer, NFC, GPIO
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u8 gpio_option; // GPIO Wakeup setting: [3:0]: Pin 3~0 enable, [7:4]: pin3~0 active high/low
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u32 timer_duration; // the sleep duration and then wakeup
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} SLEEP_WAKEUP_EVENT, *PSLEEP_WAKEUP_EVENT;
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/** Send the microcontroller to sleep
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*
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* The processor is setup ready for sleep, and sent to sleep using __WFI(). In this mode, the
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* system clock to the core is stopped until a reset or an interrupt occurs. This eliminates
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* dynamic power used by the processor, memory systems and buses. The processor, peripheral and
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* memory state are maintained, and the peripherals continue to work and can generate interrupts.
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*
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* The processor can be woken up by any internal peripheral interrupt or external pin interrupt.
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*
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* @note
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* The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
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* Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
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* able to access the LocalFileSystem
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*/
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void sleep_ex(uint32_t wakeup_event, uint32_t sleep_duration);
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void sleep_ex_selective(uint32_t wakeup_event, uint32_t sleep_duration, uint32_t clk_sourec_enable, uint32_t sdr_enable);
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void standby_wakeup_event_add(uint32_t wakeup_event, uint32_t sleep_duration_ms, uint32_t gpio_active);
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void standby_wakeup_event_del(uint32_t wakeup_event);
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void deepstandby_ex(void);
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/** Send the microcontroller to deep sleep
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*
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* This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
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* has the same sleep features as sleep plus it powers down peripherals and clocks. All state
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* is still maintained.
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*
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* The processor can only be woken up by an external interrupt on a pin or a timer.
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*
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* @note
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* The mbed interface semihosting is disconnected as part of going to sleep, and can not be restored.
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* Flash re-programming and the USB serial port will remain active, but the mbed program will no longer be
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* able to access the LocalFileSystem
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*/
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void deepsleep_ex(uint32_t wakeup_event, uint32_t sleep_duration);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif
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