diff options
Diffstat (limited to 'simonnnnn/Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal.c')
| -rw-r--r-- | simonnnnn/Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal.c | 674 |
1 files changed, 674 insertions, 0 deletions
diff --git a/simonnnnn/Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal.c b/simonnnnn/Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal.c new file mode 100644 index 0000000..c050e31 --- /dev/null +++ b/simonnnnn/Drivers/STM32L0xx_HAL_Driver/Src/stm32l0xx_hal.c @@ -0,0 +1,674 @@ +/**
+ ******************************************************************************
+ * @file stm32l0xx_hal.c
+ * @author MCD Application Team
+ * @brief HAL module driver.
+ * This is the common part of the HAL initialization
+ *
+ @verbatim
+ ==============================================================================
+ ##### How to use this driver #####
+ ==============================================================================
+ [..]
+ The common HAL driver contains a set of generic and common APIs that can be
+ used by the PPP peripheral drivers and the user to start using the HAL.
+ [..]
+ The HAL contains two APIs categories:
+ (+) Common HAL APIs
+ (+) Services HAL APIs
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2016 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32l0xx_hal.h"
+
+/** @addtogroup STM32L0xx_HAL_Driver
+ * @{
+ */
+
+#ifdef HAL_MODULE_ENABLED
+
+/** @addtogroup HAL
+ * @brief HAL module driver.
+ * @{
+ */
+
+/** @addtogroup HAL_Exported_Constants
+ * @{
+ */
+
+/** @defgroup HAL_Version HAL Version
+ * @{
+ */
+
+/**
+ * @brief STM32L0xx HAL Driver version number
+ */
+#define __STM32L0xx_HAL_VERSION_MAIN (0x01U) /*!< [31:24] main version */
+#define __STM32L0xx_HAL_VERSION_SUB1 (0x0AU) /*!< [23:16] sub1 version */
+#define __STM32L0xx_HAL_VERSION_SUB2 (0x04U) /*!< [15:8] sub2 version */
+#define __STM32L0xx_HAL_VERSION_RC (0x00U) /*!< [7:0] release candidate */
+#define __STM32L0xx_HAL_VERSION ((__STM32L0xx_HAL_VERSION_MAIN << 24U)\
+ |(__STM32L0xx_HAL_VERSION_SUB1 << 16U)\
+ |(__STM32L0xx_HAL_VERSION_SUB2 << 8U )\
+ |(__STM32L0xx_HAL_VERSION_RC))
+
+#define IDCODE_DEVID_MASK (0x00000FFFU)
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported variables --------------------------------------------------------*/
+/** @addtogroup HAL_Exported_Variables
+ * @{
+ */
+__IO uint32_t uwTick;
+uint32_t uwTickPrio = (1UL << __NVIC_PRIO_BITS); /* Invalid PRIO */
+HAL_TickFreqTypeDef uwTickFreq = HAL_TICK_FREQ_DEFAULT; /* 1KHz */
+/**
+ * @}
+ */
+
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup HAL_Exported_Functions
+ * @{
+ */
+
+/** @addtogroup HAL_Exported_Functions_Group1
+ * @brief Initialization and de-initialization functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Initialization and de-initialization functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+ (+) Initialize the Flash interface, the NVIC allocation and initial clock
+ configuration. It initializes the source of time base also when timeout
+ is needed and the backup domain when enabled.
+ (+) De-initialize common part of the HAL.
+ (+) Configure the time base source to have 1ms time base with a dedicated
+ Tick interrupt priority.
+ (++) SysTick timer is used by default as source of time base, but user
+ can eventually implement his proper time base source (a general purpose
+ timer for example or other time source), keeping in mind that Time base
+ duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
+ handled in milliseconds basis.
+ (++) Time base configuration function (HAL_InitTick ()) is called automatically
+ at the beginning of the program after reset by HAL_Init() or at any time
+ when clock is configured, by HAL_RCC_ClockConfig().
+ (++) Source of time base is configured to generate interrupts at regular
+ time intervals. Care must be taken if HAL_Delay() is called from a
+ peripheral ISR process, the Tick interrupt line must have higher priority
+ (numerically lower) than the peripheral interrupt. Otherwise the caller
+ ISR process will be blocked.
+ (++) functions affecting time base configurations are declared as __weak
+ to make override possible in case of other implementations in user file.
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief This function configures the Flash prefetch, Flash preread and Buffer cache,
+ * Configures time base source, NVIC and Low level hardware
+ * @note This function is called at the beginning of program after reset and before
+ * the clock configuration
+ * @note The time base configuration is based on MSI clock when exiting from Reset.
+ * Once done, time base tick start incrementing.
+ * In the default implementation,Systick is used as source of time base.
+ * the tick variable is incremented each 1ms in its ISR.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_Init(void)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+
+ /* Configure Buffer cache, Flash prefetch, Flash preread */
+#if (BUFFER_CACHE_DISABLE != 0)
+ __HAL_FLASH_BUFFER_CACHE_DISABLE();
+#endif /* BUFFER_CACHE_DISABLE */
+
+#if (PREREAD_ENABLE != 0)
+ __HAL_FLASH_PREREAD_BUFFER_ENABLE();
+#endif /* PREREAD_ENABLE */
+
+#if (PREFETCH_ENABLE != 0)
+ __HAL_FLASH_PREFETCH_BUFFER_ENABLE();
+#endif /* PREFETCH_ENABLE */
+
+ /* Use SysTick as time base source and configure 1ms tick (default clock after Reset is MSI) */
+ if (HAL_InitTick(TICK_INT_PRIORITY) != HAL_OK)
+ {
+ status = HAL_ERROR;
+ }
+ else
+ {
+ /* Init the low level hardware */
+ HAL_MspInit();
+ }
+
+ /* Return function status */
+ return status;
+}
+
+/**
+ * @brief This function de-initializes common part of the HAL and stops the source
+ * of time base.
+ * @note This function is optional.
+ * @retval HAL status
+ */
+HAL_StatusTypeDef HAL_DeInit(void)
+{
+ /* Reset of all peripherals */
+ __HAL_RCC_APB1_FORCE_RESET();
+ __HAL_RCC_APB1_RELEASE_RESET();
+
+ __HAL_RCC_APB2_FORCE_RESET();
+ __HAL_RCC_APB2_RELEASE_RESET();
+
+ __HAL_RCC_AHB_FORCE_RESET();
+ __HAL_RCC_AHB_RELEASE_RESET();
+
+ __HAL_RCC_IOP_FORCE_RESET();
+ __HAL_RCC_IOP_RELEASE_RESET();
+
+ /* De-Init the low level hardware */
+ HAL_MspDeInit();
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @brief Initializes the MSP.
+ * @retval None
+ */
+__weak void HAL_MspInit(void)
+{
+ /* NOTE : This function should not be modified, when the callback is needed,
+ the HAL_MspInit could be implemented in the user file
+ */
+}
+
+/**
+ * @brief DeInitializes the MSP.
+ * @retval None
+ */
+__weak void HAL_MspDeInit(void)
+{
+ /* NOTE : This function should not be modified, when the callback is needed,
+ the HAL_MspDeInit could be implemented in the user file
+ */
+}
+
+/**
+ * @brief This function configures the source of the time base:
+ * The time source is configured to have 1ms time base with a dedicated
+ * Tick interrupt priority.
+ * @note This function is called automatically at the beginning of program after
+ * reset by HAL_Init() or at any time when clock is reconfigured by HAL_RCC_ClockConfig().
+ * @note In the default implementation, SysTick timer is the source of time base.
+ * It is used to generate interrupts at regular time intervals.
+ * Care must be taken if HAL_Delay() is called from a peripheral ISR process,
+ * The SysTick interrupt must have higher priority (numerically lower)
+ * than the peripheral interrupt. Otherwise the caller ISR process will be blocked.
+ * The function is declared as __weak to be overwritten in case of other
+ * implementation in user file.
+ * @param TickPriority Tick interrupt priority.
+ * @retval HAL status
+ */
+__weak HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
+{
+ /* Configure the SysTick to have interrupt in 1ms time basis*/
+ if (HAL_SYSTICK_Config(SystemCoreClock / (1000U / uwTickFreq)) > 0U)
+ {
+ return HAL_ERROR;
+ }
+
+ /* Configure the SysTick IRQ priority */
+ if (TickPriority < (1UL << __NVIC_PRIO_BITS))
+ {
+ HAL_NVIC_SetPriority(SysTick_IRQn, TickPriority, 0U);
+ uwTickPrio = TickPriority;
+ }
+ else
+ {
+ return HAL_ERROR;
+ }
+
+ /* Return function status */
+ return HAL_OK;
+}
+
+/**
+ * @}
+ */
+
+/** @addtogroup HAL_Exported_Functions_Group2
+ * @brief HAL Control functions
+ *
+@verbatim
+ ===============================================================================
+ ##### HAL Control functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+ (+) Provide a tick value in millisecond
+ (+) Provide a blocking delay in millisecond
+ (+) Suspend the time base source interrupt
+ (+) Resume the time base source interrupt
+ (+) Get the HAL API driver version
+ (+) Get the device identifier
+ (+) Get the device revision identifier
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief This function is called to increment a global variable "uwTick"
+ * used as application time base.
+ * @note In the default implementation, this variable is incremented each 1ms
+ * in SysTick ISR.
+ * @note This function is declared as __weak to be overwritten in case of other
+ * implementations in user file.
+ * @retval None
+ */
+__weak void HAL_IncTick(void)
+{
+ uwTick += uwTickFreq;
+}
+
+/**
+ * @brief Provides a tick value in millisecond.
+ * @note This function is declared as __weak to be overwritten in case of other
+ * implementations in user file.
+ * @retval tick value
+ */
+__weak uint32_t HAL_GetTick(void)
+{
+ return uwTick;
+}
+
+/**
+ * @brief This function returns a tick priority.
+ * @retval tick priority
+ */
+uint32_t HAL_GetTickPrio(void)
+{
+ return uwTickPrio;
+}
+
+/**
+ * @brief Set new tick Freq.
+ * @retval Status
+ */
+HAL_StatusTypeDef HAL_SetTickFreq(HAL_TickFreqTypeDef Freq)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+ HAL_TickFreqTypeDef prevTickFreq;
+
+ assert_param(IS_TICKFREQ(Freq));
+
+ if (uwTickFreq != Freq)
+ {
+ /* Back up uwTickFreq frequency */
+ prevTickFreq = uwTickFreq;
+
+ /* Update uwTickFreq global variable used by HAL_InitTick() */
+ uwTickFreq = Freq;
+
+ /* Apply the new tick Freq */
+ status = HAL_InitTick(uwTickPrio);
+
+ if (status != HAL_OK)
+ {
+ /* Restore previous tick frequency */
+ uwTickFreq = prevTickFreq;
+ }
+ }
+
+ return status;
+}
+
+/**
+ * @brief Return tick frequency.
+ * @retval tick period in Hz
+ */
+HAL_TickFreqTypeDef HAL_GetTickFreq(void)
+{
+ return uwTickFreq;
+}
+
+/**
+ * @brief This function provides minimum delay (in milliseconds) based
+ * on variable incremented.
+ * @note In the default implementation , SysTick timer is the source of time base.
+ * It is used to generate interrupts at regular time intervals where uwTick
+ * is incremented.
+ * @note This function is declared as __weak to be overwritten in case of other
+ * implementations in user file.
+ * @param Delay specifies the delay time length, in milliseconds.
+ * @retval None
+ */
+__weak void HAL_Delay(uint32_t Delay)
+{
+ uint32_t tickstart = HAL_GetTick();
+ uint32_t wait = Delay;
+
+ /* Add a freq to guarantee minimum wait */
+ if (wait < HAL_MAX_DELAY)
+ {
+ wait += (uint32_t)(uwTickFreq);
+ }
+
+ while((HAL_GetTick() - tickstart) < wait)
+ {
+ }
+}
+
+/**
+ * @brief Suspends the Tick increment.
+ * @note In the default implementation , SysTick timer is the source of time base. It is
+ * used to generate interrupts at regular time intervals. Once HAL_SuspendTick()
+ * is called, the SysTick interrupt will be disabled and so Tick increment
+ * is suspended.
+ * @note This function is declared as __weak to be overwritten in case of other
+ * implementations in user file.
+ * @retval None
+ */
+__weak void HAL_SuspendTick(void)
+{
+ /* Disable SysTick Interrupt */
+ SysTick->CTRL &= ~SysTick_CTRL_TICKINT_Msk;
+}
+
+/**
+ * @brief Resumes the Tick increment.
+ * @note In the default implementation , SysTick timer is the source of time base. It is
+ * used to generate interrupts at regular time intervals. Once HAL_ResumeTick()
+ * is called, the SysTick interrupt will be enabled and so Tick increment
+ * is resumed.
+ * @note This function is declared as __weak to be overwritten in case of other
+ * implementations in user file.
+ * @retval None
+ */
+__weak void HAL_ResumeTick(void)
+{
+ /* Enable SysTick Interrupt */
+ SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk;
+}
+
+/**
+ * @brief Returns the HAL revision
+ * @retval version: 0xXYZR (8bits for each decimal, R for RC)
+ */
+uint32_t HAL_GetHalVersion(void)
+{
+ return __STM32L0xx_HAL_VERSION;
+}
+
+/**
+ * @brief Returns the device revision identifier.
+ * @retval Device revision identifier
+ */
+uint32_t HAL_GetREVID(void)
+{
+ return((DBGMCU->IDCODE) >> 16U);
+}
+
+/**
+ * @brief Returns the device identifier.
+ * @retval Device identifier
+ */
+uint32_t HAL_GetDEVID(void)
+{
+ return((DBGMCU->IDCODE) & IDCODE_DEVID_MASK);
+}
+
+/**
+ * @brief Returns the first word of the unique device identifier (UID based on 96 bits)
+ * @retval Device identifier
+ */
+uint32_t HAL_GetUIDw0(void)
+{
+ return(READ_REG(*((uint32_t *)UID_BASE)));
+}
+
+/**
+ * @brief Returns the second word of the unique device identifier (UID based on 96 bits)
+ * @retval Device identifier
+ */
+uint32_t HAL_GetUIDw1(void)
+{
+ return(READ_REG(*((uint32_t *)(UID_BASE + 0x04U))));
+}
+
+/**
+ * @brief Returns the third word of the unique device identifier (UID based on 96 bits)
+ * @retval Device identifier
+ */
+uint32_t HAL_GetUIDw2(void)
+{
+ return(READ_REG(*((uint32_t *)(UID_BASE + 0x14U))));
+}
+
+/**
+ * @}
+ */
+
+/** @addtogroup HAL_Exported_Functions_Group2
+ * @brief HAL Debug functions
+ *
+@verbatim
+ ===============================================================================
+ ##### HAL Debug functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+ (+) Enable/Disable Debug module during SLEEP mode
+ (+) Enable/Disable Debug module during STOP mode
+ (+) Enable/Disable Debug module during STANDBY mode
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Enables the Debug Module during SLEEP mode
+ * @retval None
+ */
+void HAL_DBGMCU_EnableDBGSleepMode(void)
+{
+ SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP);
+}
+
+/**
+ * @brief Disables the Debug Module during SLEEP mode
+ * @retval None
+ */
+void HAL_DBGMCU_DisableDBGSleepMode(void)
+{
+ CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_SLEEP);
+}
+
+/**
+ * @brief Enables the Debug Module during STOP mode
+ * @retval None
+ */
+void HAL_DBGMCU_EnableDBGStopMode(void)
+{
+ SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
+}
+
+/**
+ * @brief Disables the Debug Module during STOP mode
+ * @retval None
+ */
+void HAL_DBGMCU_DisableDBGStopMode(void)
+{
+ CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
+}
+
+/**
+ * @brief Enables the Debug Module during STANDBY mode
+ * @retval None
+ */
+void HAL_DBGMCU_EnableDBGStandbyMode(void)
+{
+ SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY);
+}
+
+/**
+ * @brief Disables the Debug Module during STANDBY mode
+ * @retval None
+ */
+void HAL_DBGMCU_DisableDBGStandbyMode(void)
+{
+ CLEAR_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STANDBY);
+}
+
+/**
+ * @brief Enable low power mode behavior when the MCU is in Debug mode.
+ * @param Periph: specifies the low power mode.
+ * This parameter can be any combination of the following values:
+ * @arg DBGMCU_SLEEP: Keep debugger connection during SLEEP mode
+ * @arg DBGMCU_STOP: Keep debugger connection during STOP mode
+ * @arg DBGMCU_STANDBY: Keep debugger connection during STANDBY mode
+ * @retval None
+ */
+void HAL_DBGMCU_DBG_EnableLowPowerConfig(uint32_t Periph)
+{
+ /* Check the parameters */
+ assert_param(IS_DBGMCU_PERIPH(Periph));
+
+ DBGMCU->CR |= Periph;
+
+}
+/**
+ * @brief Disable low power mode behavior when the MCU is in Debug mode.
+ * @param Periph: specifies the low power mode.
+ * This parameter can be any combination of the following values:
+ * @arg DBGMCU_SLEEP: Keep debugger connection during SLEEP mode
+ * @arg DBGMCU_STOP: Keep debugger connection during STOP mode
+ * @arg DBGMCU_STANDBY: Keep debugger connection during STANDBY mode
+ * @retval None
+ */
+void HAL_DBGMCU_DBG_DisableLowPowerConfig(uint32_t Periph)
+{
+ /* Check the parameters */
+ assert_param(IS_DBGMCU_PERIPH(Periph));
+ {
+ DBGMCU->CR &= ~Periph;
+ }
+}
+
+/**
+ * @}
+ */
+
+/** @addtogroup HAL_Exported_Functions_Group3
+ * @brief HAL SYSCFG configuration functions
+ *
+@verbatim
+ ===============================================================================
+ ##### HAL SYSCFG configuration functions #####
+ ===============================================================================
+ [..] This section provides functions allowing to:
+ (+) Return the boot mode
+ (+) Select the output of internal reference voltage (VREFINT)
+ (+) Lock/Unlock the SYSCFG VREF register values
+
+@endverbatim
+ * @{
+ */
+
+/**
+ * @brief Returns the boot mode as configured by user.
+ * @retval The boot mode as configured by user. The returned value can be one
+ * of the following values:
+ * - 0x00000000 : Boot is configured in Main Flash memory
+ * - 0x00000100 : Boot is configured in System Flash memory
+ * - 0x00000300 : Boot is configured in Embedded SRAM memory
+ */
+uint32_t HAL_SYSCFG_GetBootMode(void)
+{
+ return (SYSCFG->CFGR1 & SYSCFG_CFGR1_BOOT_MODE);
+}
+
+/**
+ * @brief Selects the output of internal reference voltage (VREFINT).
+ * The VREFINT output can be routed to(PB0) or
+ * (PB1) or both.
+ * @param SYSCFG_Vrefint_OUTPUT: new state of the Vrefint output.
+ * This parameter can be one of the following values:
+ * @arg SYSCFG_VREFINT_OUT_NONE
+ * @arg SYSCFG_VREFINT_OUT_PB0
+ * @arg SYSCFG_VREFINT_OUT_PB1
+ * @arg SYSCFG_VREFINT_OUT_PB0_PB1
+ * @retval None
+ */
+void HAL_SYSCFG_VREFINT_OutputSelect(uint32_t SYSCFG_Vrefint_OUTPUT)
+{
+ /* Check the parameters */
+ assert_param(IS_SYSCFG_VREFINT_OUT_SELECT(SYSCFG_Vrefint_OUTPUT));
+
+ /* Set the output Vrefint pin */
+ SYSCFG->CFGR3 &= ~(SYSCFG_CFGR3_VREF_OUT);
+ SYSCFG->CFGR3 |= (uint32_t)(SYSCFG_Vrefint_OUTPUT);
+}
+
+/**
+ * @brief Lock the SYSCFG VREF register values
+ * @retval None
+ */
+void HAL_SYSCFG_Enable_Lock_VREFINT(void)
+{
+ /* Enable the LOCK by setting REF_LOCK bit in the CFGR3 register */
+ SET_BIT(SYSCFG->CFGR3, SYSCFG_CFGR3_REF_LOCK);
+}
+
+/**
+ * @brief Unlock the overall SYSCFG VREF register values
+ * @retval None
+ */
+void HAL_SYSCFG_Disable_Lock_VREFINT(void)
+{
+ /* Disable the LOCK by setting REF_LOCK bit in the CFGR3 register */
+ CLEAR_BIT(SYSCFG->CFGR3, SYSCFG_CFGR3_REF_LOCK);
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+#endif /* HAL_MODULE_ENABLED */
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
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