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STM32: L0 LL layer #3629

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Feb 2, 2017
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STM32: L0 LL layer #3629

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660 changes: 660 additions & 0 deletions targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_ll_adc.c
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4,041 changes: 4,041 additions & 0 deletions targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_ll_adc.h
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1,189 changes: 1,189 additions & 0 deletions targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_ll_bus.h
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325 changes: 325 additions & 0 deletions targets/TARGET_STM/TARGET_STM32L0/device/stm32l0xx_ll_comp.c
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/**
******************************************************************************
* @file stm32l0xx_ll_comp.c
* @author MCD Application Team
* @version V1.7.0
* @date 31-May-2016
* @brief COMP LL module driver
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
*
* 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 of STMicroelectronics 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 HOLDER 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.
*
******************************************************************************
*/
#if defined(USE_FULL_LL_DRIVER)

/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_ll_comp.h"

#ifdef USE_FULL_ASSERT
#include "stm32_assert.h"
#else
#define assert_param(expr) ((void)0U)
#endif

/** @addtogroup STM32L0xx_LL_Driver
* @{
*/

#if defined (COMP1) || defined (COMP2)

/** @addtogroup COMP_LL COMP
* @{
*/

/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/

/** @addtogroup COMP_LL_Private_Macros
* @{
*/

/* Check of parameters for configuration of COMP hierarchical scope: */
/* COMP instance. */

#define IS_LL_COMP_POWER_MODE(__POWER_MODE__) \
( ((__POWER_MODE__) == LL_COMP_POWERMODE_MEDIUMSPEED) \
|| ((__POWER_MODE__) == LL_COMP_POWERMODE_ULTRALOWPOWER) \
)

#if defined (STM32L011xx) || defined (STM32L021xx)
#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
(((__COMP_INSTANCE__) == COMP1) \
? ( \
(__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1 \
) \
: \
( \
((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO3) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO4) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO5) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO6) \
) \
)
#else
#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__) \
(((__COMP_INSTANCE__) == COMP1) \
? ( \
(__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1 \
) \
: \
( \
((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO3) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO4) \
|| ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO5) \
) \
)
#endif

/* Note: On this STM32 serie, comparator input minus parameters are */
/* the different depending on COMP instances. */
#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__) \
(((__COMP_INSTANCE__) == COMP1) \
? ( \
((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
) \
: \
( \
((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1) \
|| ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2) \
) \
)

#define IS_LL_COMP_OUTPUT_POLARITY(__POLARITY__) \
( ((__POLARITY__) == LL_COMP_OUTPUTPOL_NONINVERTED) \
|| ((__POLARITY__) == LL_COMP_OUTPUTPOL_INVERTED) \
)

/**
* @}
*/


/* Private function prototypes -----------------------------------------------*/

/* Exported functions --------------------------------------------------------*/
/** @addtogroup COMP_LL_Exported_Functions
* @{
*/

/** @addtogroup COMP_LL_EF_Init
* @{
*/

/**
* @brief De-initialize registers of the selected COMP instance
* to their default reset values.
* @note If comparator is locked, de-initialization by software is
* not possible.
* The only way to unlock the comparator is a device hardware reset.
* @param COMPx COMP instance
* @retval An ErrorStatus enumeration value:
* - SUCCESS: COMP registers are de-initialized
* - ERROR: COMP registers are not de-initialized
*/
ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx)
{
ErrorStatus status = SUCCESS;

/* Check the parameters */
assert_param(IS_COMP_ALL_INSTANCE(COMPx));

/* Note: Hardware constraint (refer to description of this function): */
/* COMP instance must not be locked. */
if(LL_COMP_IsLocked(COMPx) == 0U)
{
if(COMPx == COMP1)
{
CLEAR_BIT(COMPx->CSR,
( COMP_CSR_COMP1EN
| COMP_CSR_COMP1INNSEL
| COMP_CSR_COMP1WM
| COMP_CSR_COMP1LPTIM1IN1
| COMP_CSR_COMP1POLARITY
| COMP_CSR_COMP1LOCK
)
);
}
else
{
CLEAR_BIT(COMPx->CSR,
( COMP_CSR_COMP2EN
| COMP_CSR_COMP2SPEED
| COMP_CSR_COMP2INNSEL
| COMP_CSR_COMP2INPSEL
| COMP_CSR_COMP2LPTIM1IN2
| COMP_CSR_COMP2LPTIM1IN1
| COMP_CSR_COMP2POLARITY
| COMP_CSR_COMP2LOCK
)
);
}

}
else
{
/* Comparator instance is locked: de-initialization by software is */
/* not possible. */
/* The only way to unlock the comparator is a device hardware reset. */
status = ERROR;
}

return status;
}

/**
* @brief Initialize some features of COMP instance.
* @note This function configures features of the selected COMP instance.
* Some features are also available at scope COMP common instance
* (common to several COMP instances).
* Refer to functions having argument "COMPxy_COMMON" as parameter.
* @param COMPx COMP instance
* @param COMP_InitStruct Pointer to a @ref LL_COMP_InitTypeDef structure
* @retval An ErrorStatus enumeration value:
* - SUCCESS: COMP registers are initialized
* - ERROR: COMP registers are not initialized
*/
ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct)
{
ErrorStatus status = SUCCESS;

/* Check the parameters */
assert_param(IS_COMP_ALL_INSTANCE(COMPx));
if(COMPx == COMP2)
{
assert_param(IS_LL_COMP_POWER_MODE(COMP_InitStruct->PowerMode));
assert_param(IS_LL_COMP_INPUT_PLUS(COMPx, COMP_InitStruct->InputPlus));
}
assert_param(IS_LL_COMP_INPUT_MINUS(COMPx, COMP_InitStruct->InputMinus));
assert_param(IS_LL_COMP_OUTPUT_POLARITY(COMP_InitStruct->OutputPolarity));

/* Note: Hardware constraint (refer to description of this function) */
/* COMP instance must not be locked. */
if(LL_COMP_IsLocked(COMPx) == 0U)
{
/* Configuration of comparator instance : */
/* - PowerMode */
/* - InputPlus */
/* - InputMinus */
/* - OutputPolarity */
/* Note: Connection switch is applicable only to COMP instance COMP1, */
/* therefore is COMP2 is selected the equivalent bit is */
/* kept unmodified. */
if(COMPx == COMP1)
{
MODIFY_REG(COMPx->CSR,
( COMP_CSR_COMP1INNSEL
| COMP_CSR_COMP1POLARITY
)
,
( COMP_InitStruct->InputMinus
| COMP_InitStruct->OutputPolarity
)
);
}
else
{
MODIFY_REG(COMPx->CSR,
( COMP_CSR_COMP2SPEED
| COMP_CSR_COMP2INPSEL
| COMP_CSR_COMP2INNSEL
| COMP_CSR_COMP2POLARITY
)
,
( COMP_InitStruct->PowerMode
| COMP_InitStruct->InputPlus
| COMP_InitStruct->InputMinus
| COMP_InitStruct->OutputPolarity
)
);
}

}
else
{
/* Initialization error: COMP instance is locked. */
status = ERROR;
}

return status;
}

/**
* @brief Set each @ref LL_COMP_InitTypeDef field to default value.
* @param COMP_InitStruct: pointer to a @ref LL_COMP_InitTypeDef structure
* whose fields will be set to default values.
* @retval None
*/
void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct)
{
/* Set COMP_InitStruct fields to default values */
COMP_InitStruct->PowerMode = LL_COMP_POWERMODE_MEDIUMSPEED;
COMP_InitStruct->InputPlus = LL_COMP_INPUT_PLUS_IO1;
COMP_InitStruct->InputMinus = LL_COMP_INPUT_MINUS_VREFINT;
COMP_InitStruct->OutputPolarity = LL_COMP_OUTPUTPOL_NONINVERTED;
}

/**
* @}
*/

/**
* @}
*/

/**
* @}
*/

#endif /* COMP1 || COMP2 */

/**
* @}
*/

#endif /* USE_FULL_LL_DRIVER */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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