248 lines
7.2 KiB
C
248 lines
7.2 KiB
C
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/**
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*******************************************************************************************************
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* @file fm33lg0xx_fl_divas.h
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* @author FMSH Application Team
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* @brief Head file of DIVAS FL Module
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*******************************************************************************************************
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* @attention
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*
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* Copyright (c) [2021] [Fudan Microelectronics]
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* THIS SOFTWARE is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*
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*******************************************************************************************************
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*/
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/* Define to prevent recursive inclusion---------------------------------------------------------------*/
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#ifndef __FM33LG0XX_FL_DIVAS_H
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#define __FM33LG0XX_FL_DIVAS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes -------------------------------------------------------------------------------------------*/
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#include "fm33lg0xx_fl_def.h"
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/** @addtogroup FM33LG0XX_FL_Driver
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* @{
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*/
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/** @defgroup DIVAS DIVAS
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* @brief DIVAS FL driver
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* @{
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*/
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/* Exported types -------------------------------------------------------------------------------------*/
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/** @defgroup DIVAS_FL_ES_INIT DIVAS Exported Init structures
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* @{
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*/
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/**
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* @brief FL DIVAS Init Sturcture definition
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*/
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/**
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* @}
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*/
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/* Exported constants ---------------------------------------------------------------------------------*/
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/** @defgroup DIVAS_FL_Exported_Constants DIVAS Exported Constants
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* @{
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*/
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#define FL_DIVAS_SR_BUSY_TIMEOUT (0xFFFU)
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#define DIVAS_SR_DIV0_Pos (1U)
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#define DIVAS_SR_DIV0_Msk (0x1U << DIVAS_SR_DIV0_Pos)
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#define DIVAS_SR_DIV0 DIVAS_SR_DIV0_Msk
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#define DIVAS_SR_BUSY_Pos (0U)
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#define DIVAS_SR_BUSY_Msk (0x1U << DIVAS_SR_BUSY_Pos)
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#define DIVAS_SR_BUSY DIVAS_SR_BUSY_Msk
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#define DIVAS_CR_MODE_Pos (0U)
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#define DIVAS_CR_MODE_Msk (0x1U << DIVAS_CR_MODE_Pos)
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#define DIVAS_CR_MODE DIVAS_CR_MODE_Msk
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#define FL_DIVAS_MODE_DIV (0x0U << DIVAS_CR_MODE_Pos)
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#define FL_DIVAS_MODE_ROOT (0x1U << DIVAS_CR_MODE_Pos)
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/**
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* @}
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*/
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/* Exported functions ---------------------------------------------------------------------------------*/
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/** @defgroup DIVAS_FL_Exported_Functions DIVAS Exported Functions
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* @{
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*/
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/**
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* @brief Write Operator Register
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* @rmtoll OPRD FL_DIVAS_WriteOperand
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* @param DIVASx DIVAS instance
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* @param number
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* @retval None
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*/
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__STATIC_INLINE void FL_DIVAS_WriteOperand(DIVAS_Type *DIVASx, uint32_t number)
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{
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WRITE_REG(DIVASx->OPRD, (number << 0U));
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}
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/**
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* @brief Read Operator Register
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* @rmtoll OPRD FL_DIVAS_ReadOperand
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* @param DIVASx DIVAS instance
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* @retval
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*/
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__STATIC_INLINE int32_t FL_DIVAS_ReadOperand(DIVAS_Type *DIVASx)
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{
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return (int32_t)(READ_REG(DIVASx->OPRD));
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}
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/**
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* @brief Write 16bit Signed Dividend
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* @rmtoll DIVSOR FL_DIVAS_WriteDivisor
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* @param DIVASx DIVAS instance
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* @param number
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* @retval None
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*/
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__STATIC_INLINE void FL_DIVAS_WriteDivisor(DIVAS_Type *DIVASx, uint32_t number)
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{
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MODIFY_REG(DIVASx->DIVSOR, (0xffffU << 0U), (number << 0U));
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}
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/**
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* @brief Read 16bit Signed Dividend
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* @rmtoll DIVSOR FL_DIVAS_ReadDivisor
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* @param DIVASx DIVAS instance
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* @retval
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*/
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__STATIC_INLINE int32_t FL_DIVAS_ReadDivisor(DIVAS_Type *DIVASx)
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{
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return (int32_t)(READ_BIT(DIVASx->DIVSOR, 0xffffU) >> 0U);
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}
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/**
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* @brief Read 32bit Signed QUTO
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* @rmtoll QUOT FL_DIVAS_ReadQuotient
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* @param DIVASx DIVAS instance
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* @retval
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*/
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__STATIC_INLINE int32_t FL_DIVAS_ReadQuotient(DIVAS_Type *DIVASx)
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{
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return (int32_t)(READ_REG(DIVASx->QUOT));
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}
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/**
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* @brief Read 16bit Signed Reminder
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* @rmtoll REMD FL_DIVAS_ReadResidue
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* @param DIVASx DIVAS instance
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* @retval
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*/
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__STATIC_INLINE int16_t FL_DIVAS_ReadResidue(DIVAS_Type *DIVASx)
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{
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return (int16_t)(READ_BIT(DIVASx->REMD, 0xffffU) >> 0U);
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}
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/**
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* @brief Read 16bit Unsigned Square Root
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* @rmtoll ROOT FL_DIVAS_ReadRoot
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* @param DIVASx DIVAS instance
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* @retval
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*/
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__STATIC_INLINE uint16_t FL_DIVAS_ReadRoot(DIVAS_Type *DIVASx)
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{
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return (uint16_t)(READ_BIT(DIVASx->ROOT, 0xffffU) >> 0U);
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}
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/**
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* @brief Get divided by 0 flag
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* @rmtoll SR DIV0 FL_DIVAS_IsActiveFlag_DividedZero
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* @param DIVASx DIVAS instance
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* @retval State of bit (1 or 0).
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*/
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__STATIC_INLINE uint32_t FL_DIVAS_IsActiveFlag_DividedZero(DIVAS_Type *DIVASx)
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{
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return (uint32_t)(READ_BIT(DIVASx->SR, DIVAS_SR_DIV0_Msk) == (DIVAS_SR_DIV0_Msk));
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}
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/**
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* @brief Get Busy flag
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* @rmtoll SR BUSY FL_DIVAS_IsActiveFlag_Busy
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* @param DIVASx DIVAS instance
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* @retval State of bit (1 or 0).
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*/
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__STATIC_INLINE uint32_t FL_DIVAS_IsActiveFlag_Busy(DIVAS_Type *DIVASx)
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{
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return (uint32_t)(READ_BIT(DIVASx->SR, DIVAS_SR_BUSY_Msk) == (DIVAS_SR_BUSY_Msk));
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}
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/**
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* @brief Set Work Mode
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* @rmtoll CR MODE FL_DIVAS_SetMode
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* @param DIVASx DIVAS instance
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* @param mode This parameter can be one of the following values:
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* @arg @ref FL_DIVAS_MODE_DIV
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* @arg @ref FL_DIVAS_MODE_ROOT
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* @retval None
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*/
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__STATIC_INLINE void FL_DIVAS_SetMode(DIVAS_Type *DIVASx, uint32_t mode)
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{
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MODIFY_REG(DIVASx->CR, DIVAS_CR_MODE_Msk, mode);
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}
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/**
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* @brief Get Work Mode
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* @rmtoll CR MODE FL_DIVAS_GetMode
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* @param DIVASx DIVAS instance
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* @retval Returned value can be one of the following values:
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* @arg @ref FL_DIVAS_MODE_DIV
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* @arg @ref FL_DIVAS_MODE_ROOT
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*/
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__STATIC_INLINE uint32_t FL_DIVAS_GetMode(DIVAS_Type *DIVASx)
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{
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return (uint32_t)(READ_BIT(DIVASx->CR, DIVAS_CR_MODE_Msk));
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}
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/**
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* @}
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*/
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/** @defgroup DIVAS_FL_EF_Init Initialization and de-initialization functions
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* @{
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*/
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FL_ErrorStatus FL_DIVAS_DeInit(DIVAS_Type *DIVASx);
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FL_ErrorStatus FL_DIVAS_Init(DIVAS_Type *DIVASx);
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uint32_t FL_DIVAS_Hdiv_Calculation(DIVAS_Type *DIVASx, int32_t DivisorEnd, int16_t Divisor, int32_t *Quotient, int16_t *Residue);
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uint32_t FL_DIVAS_Root_Calculation(DIVAS_Type *DIVASx, uint32_t Root, uint16_t *Result);
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __FM33LG0XX_FL_DIVAS_H*/
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/*************************Py_Code_Generator Version: 0.1-0.11-0.1 @ 2020-09-14*************************/
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/*************************(C) COPYRIGHT Fudan Microelectronics **** END OF FILE*************************/
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