158 lines
4.8 KiB
C
158 lines
4.8 KiB
C
/** @file cpu/stm32w108/hal/micro/micro-common.h
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* @brief Minimal Hal functions common across all microcontroller-specific files.
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* See @ref micro for documentation.
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*
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* <!--(C) COPYRIGHT 2010 STMicroelectronics. All rights reserved. -->
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*/
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/**
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* @addtogroup stm32w-cpu
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* @{ */
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/** @defgroup micro Micro
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* Many of the supplied example applications use these microcontroller functions.
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* See hal/micro/micro-common.h for source code.
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*
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*@{
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*/
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#ifndef MICRO_COMMON_H_
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#define MICRO_COMMON_H_
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#ifndef DOXYGEN_SHOULD_SKIP_THIS
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#ifndef __STSTATUS_TYPE__
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#define __STSTATUS_TYPE__
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//This is necessary here because halSleepForQsWithOptions returns an
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//StStatus and not adding this typedef to this file breaks a
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//whole lot of builds.
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typedef uint8_t StStatus;
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#endif //__STSTATUS_TYPE__
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#endif // DOXYGEN_SHOULD_SKIP_THIS
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/** @brief Initializes microcontroller-specific peripherals.
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*/
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void halInit(void);
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/** @brief Restarts the microcontroller and therefore everything else.
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*/
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void halReboot(void);
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/** @brief Powers up microcontroller peripherals and board peripherals.
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*/
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void halPowerUp(void);
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/** @brief Powers down microcontroller peripherals and board peripherals.
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*/
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void halPowerDown(void);
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/** @brief The value that must be passed as the single parameter to
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* ::halInternalDisableWatchDog() in order to sucessfully disable the watchdog
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* timer.
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*/
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#define MICRO_DISABLE_WATCH_DOG_KEY 0xA5
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/** @brief Enables the watchdog timer.
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*/
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void halInternalEnableWatchDog(void);
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/** @brief Disables the watchdog timer.
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*
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* @note To prevent the watchdog from being disabled accidentally,
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* a magic key must be provided.
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*
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* @param magicKey A value (::MICRO_DISABLE_WATCH_DOG_KEY) that enables the function.
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*/
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void halInternalDisableWatchDog(uint8_t magicKey);
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/** @brief Determines whether the watchdog has been enabled or disabled.
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*
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* @return A boolean value indicating if the watchdog is current enabled.
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*/
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boolean halInternalWatchDogEnabled( void );
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/** @brief Enumerations for the possible microcontroller sleep modes.
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*/
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#ifdef DOXYGEN_SHOULD_SKIP_THIS
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enum SleepModes
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#else
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typedef uint8_t SleepModes;
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enum
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#endif
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{
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/**
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* Everything is active and running. In practice this mode is not
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* used, but it is defined for completeness of information.
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*/
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SLEEPMODE_RUNNING = 0,
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/**
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* Oly the CPU is idled. The rest of the chip continues runing
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* normally. The chip will wake from any interrupt.
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*/
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SLEEPMODE_IDLE = 1,
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/**
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* The sleep timer clock sources remain running. The RC is always
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* running and the 32kHz XTAL depends on the board header. Wakeup
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* is possible from both GPIO and the sleep timer. System time
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* is maintained. The sleep timer is assumed to be configured
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* properly for wake events.
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*/
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SLEEPMODE_WAKETIMER = 2,
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/**
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* The sleep timer clock sources remain running. The RC is always
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* running and the 32kHz XTAL depends on the board header. Wakeup
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* is possible from only GPIO. System time is maintained.
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*/
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SLEEPMODE_MAINTAINTIMER = 3,
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/**
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* The sleep timer clock sources (both RC and XTAL) are turned off.
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* Wakeup is possible from only GPIO. System time is lost.
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*/
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SLEEPMODE_NOTIMER = 4,
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};
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/** @brief Blocks the current thread of execution for the specified
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* amount of time, in microseconds.
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*
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* The function is implemented with cycle-counted busy loops
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* and is intended to create the short delays required when interfacing with
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* hardware peripherals.
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*
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* The accuracy of the timing provided by this function is not specified,
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* but a general rule is that when running off of a crystal oscillator it will
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* be within 10us. If the micro is running off of another type of oscillator
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* (e.g. RC) the timing accuracy will potentially be much worse.
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*
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* @param us The specified time, in microseconds.
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Values should be between 1 and 65535 microseconds.
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*/
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void halCommonDelayMicroseconds(uint16_t us);
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/** @brief Request the appplication to enter in bootloader mode
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*
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* This function will check whwther the user flash contains the bootloader
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* and if yes it will jump into it according to the user parameters.
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*
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*
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* @param mode The bootloader mode, 0 UART mode, 1 RF mode. All other
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* values are reserved
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* @param channel The channel where the booloader will operate. 0 means
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* default channel (only vaild for RF mode).
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* @param panID The panID where the booloader will operate. 0xFFFF means
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* default panID (only vaild for RF mode).
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* @return An error code or it will never return.
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*/
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StStatus halBootloaderStart(uint8_t mode, uint8_t channel, uint16_t panID);
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#ifdef CORTEXM3_STM32F103
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#include "micro/cortexm3/stm32f103ret/micro-specific.h"
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#endif
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#ifdef CORTEXM3_STM32W108
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#include "micro/cortexm3/micro-common.h"
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#endif
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#endif //MICRO_COMMON_H_
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/** @} END micro group */
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/** @} */
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