/****************************************************************************** * Copyright (C) 2019, Huada Semiconductor Co.,Ltd All rights reserved. * * This software is owned and published by: * Huada Semiconductor Co.,Ltd ("HDSC"). * * BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND * BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT. * * This software contains source code for use with HDSC * components. This software is licensed by HDSC to be adapted only * for use in systems utilizing HDSC components. HDSC shall not be * responsible for misuse or illegal use of this software for devices not * supported herein. HDSC is providing this software "AS IS" and will * not be responsible for issues arising from incorrect user implementation * of the software. * * Disclaimer: * HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE, * REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS), * ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING, * WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED * WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED * WARRANTY OF NONINFRINGEMENT. * HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT, * NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT * LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, * LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR * INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA, * SAVINGS OR PROFITS, * EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR * INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED * FROM, THE SOFTWARE. * * This software may be replicated in part or whole for the licensed use, * with the restriction that this Disclaimer and Copyright notice must be * included with each copy of this software, whether used in part or whole, * at all times. */ /******************************************************************************/ /** \file pcnt.c ** ** pcnt driver API. ** @link pcnt Group Some description @endlink ** ** - 2019-04-08 First Version ** ******************************************************************************/ /****************************************************************************** * Include files ******************************************************************************/ #include "pcnt.h" /** ****************************************************************************** ** \addtogroup PCNTGroup ******************************************************************************/ //@{ /****************************************************************************** * Local pre-processor symbols/macros ('#define') ******************************************************************************/ /****************************************************************************** * Global variable definitions (declared in header file with 'extern') ******************************************************************************/ /****************************************************************************** * Local type definitions ('typedef') ******************************************************************************/ /****************************************************************************** * Local function prototypes ('static') ******************************************************************************/ /****************************************************************************** * Local variable definitions ('static') ******************************************************************************/ /** ****************************************************************************** ** \brief PCNT的启动和停止控制 ** @param NewState : Run_Enable 或者 Run_Disable ** @param NewState : FALSE或者TRUE ** \retval 无 ** ******************************************************************************/ boolean_t Pcnt_Cmd(boolean_t NewState) { SetBit((uint32_t)(&(M0P_PCNT->RUN)), 0, NewState); return GetBit((uint32_t)(&(M0P_PCNT->RUN)), 0); } /** ****************************************************************************** ** \brief 将BUF中的值同步到CNT ** @param value : 要同步到TOP的数值 ** \retval ok 或 ErrorTimeout ** ******************************************************************************/ en_result_t Pcnt_SetB2T(uint16_t value) { uint16_t u16TimeOut; u16TimeOut = 1000; M0P_PCNT->BUF = value; M0P_PCNT->CMD_f.B2T = 1; while(u16TimeOut--) { if(M0P_PCNT->SR2_f.B2T == FALSE) { break; } } if(u16TimeOut == 0) { return ErrorTimeout; } return Ok; } /** ****************************************************************************** ** \brief 将BUF中的值同步到CNT ** @param value : 要同步到CNT的数值 ** \retval ok 或 ErrorTimeout ** ******************************************************************************/ en_result_t Pcnt_SetB2C(uint16_t value) { uint16_t u16TimeOut; u16TimeOut = 1000; M0P_PCNT->BUF = value; M0P_PCNT->CMD_f.B2C = 1; while(u16TimeOut--) { if(M0P_PCNT->SR2_f.B2C == FALSE) { break; } } if(u16TimeOut == 0) { return ErrorTimeout; } return Ok; } /** ****************************************************************************** ** \brief 将TOP中的值同步到CNT ** @param value : 要同步到CNT的数值 ** \retval ok 或 ErrorTimeout ** ******************************************************************************/ en_result_t Pcnt_SetT2C(void) { uint16_t u16TimeOut; u16TimeOut = 1000; M0P_PCNT->CMD_f.T2C = 1; while(u16TimeOut--) { if(M0P_PCNT->SR2_f.T2C == FALSE) { break; } } if(u16TimeOut == 0) { return ErrorTimeout; } return Ok; } /** ****************************************************************************** ** \brief 赋值BUF ** @param value : 要赋值给BUF的数值 ** \retval 无 ** ******************************************************************************/ void Pcnt_SetBuf(uint16_t value) { M0P_PCNT->TOP_f.TOP = value; } /** ****************************************************************************** ** \brief 初始化 ** @param start : 要同步到TOP的数值 ** @param end : 要同步到CNT的数值 ** \retval ok 或 ErrorTimeout ** ******************************************************************************/ void Pcnt_Init(stc_pcnt_initstruct_t* InitStruct) { M0P_PCNT->CTRL_f.S1P = InitStruct->Pcnt_S1Sel; M0P_PCNT->CTRL_f.S0P = InitStruct->Pcnt_S0Sel; M0P_PCNT->CTRL_f.CLKSEL = InitStruct->Pcnt_Clk; M0P_PCNT->CTRL_f.MODE = InitStruct->Pcnt_Mode; if(InitStruct->Pcnt_Mode == PcntDoubleMode)//如果是双通道正交脉冲计数模式 { M0P_PCNT->SR1_f.DIR = InitStruct->Pcnt_Dir; } else { M0P_PCNT->CTRL_f.DIR = InitStruct->Pcnt_Dir; } M0P_PCNT->FLT_f.EN = InitStruct->Pcnt_FltEn; M0P_PCNT->FLT_f.DEBTOP = InitStruct->Pcnt_DebTop; M0P_PCNT->FLT_f.CLKDIV = InitStruct->Pcnt_ClkDiv; M0P_PCNT->TOCR_f.EN = InitStruct->Pcnt_TocrEn; M0P_PCNT->TOCR_f.TH = InitStruct->Pcnt_TocrTh; M0P_PCNT->DBG_f.DBG = InitStruct->Pcnt_Dbg; } /** ****************************************************************************** ** \brief 配置中断源的使能 ** @param IT_Src : 中断源再PCNT_IEN内部的位位置 ** @param NewState : FALSE 或TRUE ** \retval 无 ** ******************************************************************************/ void Pcnt_ItCfg(en_pcnt_itfce_t IT_Src, boolean_t NewState) { if(NewState == TRUE) { M0P_PCNT->IEN |= (uint32_t)(1<IEN &= ~(uint32_t)(1<IFR >> IT_Src) & 1u) > 0 ? TRUE : FALSE; } /** ****************************************************************************** ** \brief 清除中断源的标志位 ** @param IT_Src : 中断源标志位 ** \retval 无 ** ******************************************************************************/ void Pcnt_ClrItStatus(en_pcnt_itfce_t IT_Src) { M0P_PCNT->ICR &= ~(uint32_t)(1<<(uint32_t)IT_Src); } /** ****************************************************************************** ** \brief 获取PCNT_CNT寄存器的数值 ** @param 无 ** \retval PCNT_CNT数值 ** ******************************************************************************/ uint16_t Pcnt_GetCnt(void) { return (uint16_t)(M0P_PCNT->CNT); } /** ****************************************************************************** ** \brief 获取PCNT_TOP寄存器的数值 ** @param 无 ** \retval PCNT_TOP数值 ** ******************************************************************************/ uint16_t Pcnt_GetTop(void) { return (uint16_t)(M0P_PCNT->TOP); } /** ****************************************************************************** ** \brief 获取PCNT_BUF寄存器的数值 ** @param 无 ** \retval PCNT_BUF数值 ** ******************************************************************************/ uint16_t Pcnt_GetBuf(void) { return (uint16_t)(M0P_PCNT->BUF); } //@} // Group /****************************************************************************** * EOF (not truncated) ******************************************************************************/