wangfq
95808f9f25
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87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32v20x_opa.c
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* Author : WCH
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* Version : V1.0.0
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* Date : 2021/06/06
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* Description : This file provides all the OPA firmware functions.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#include "ch32v20x_opa.h"
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#define OPA_MASK ((uint32_t)0x000F)
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#define OPA_Total_NUM 4
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/*********************************************************************
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* @fn OPA_DeInit
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*
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* @brief Deinitializes the OPA peripheral registers to their default
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* reset values.
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*
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* @return none
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*/
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void OPA_DeInit(void)
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{
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OPA->CR = 0;
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}
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/*********************************************************************
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* @fn OPA_Init
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*
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* @brief Initializes the OPA peripheral according to the specified
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* parameters in the OPA_InitStruct.
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*
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* @param OPA_InitStruct - pointer to a OPA_InitTypeDef structure
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*
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* @return none
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*/
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void OPA_Init(OPA_InitTypeDef *OPA_InitStruct)
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{
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uint32_t tmp = 0;
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tmp = OPA->CR;
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tmp &= ~(OPA_MASK << (OPA_InitStruct->OPA_NUM * OPA_Total_NUM));
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tmp |= (((OPA_InitStruct->PSEL << OPA_PSEL_OFFSET) | (OPA_InitStruct->NSEL << OPA_NSEL_OFFSET) | (OPA_InitStruct->Mode << OPA_MODE_OFFSET)) << (OPA_InitStruct->OPA_NUM * OPA_Total_NUM));
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OPA->CR = tmp;
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}
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/*********************************************************************
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* @fn OPA_StructInit
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*
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* @brief Fills each OPA_StructInit member with its reset value.
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*
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* @param OPA_StructInit - pointer to a OPA_InitTypeDef structure
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*
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* @return none
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*/
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void OPA_StructInit(OPA_InitTypeDef *OPA_InitStruct)
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{
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OPA_InitStruct->Mode = OUT_IO_OUT1;
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OPA_InitStruct->PSEL = CHP0;
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OPA_InitStruct->NSEL = CHN0;
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OPA_InitStruct->OPA_NUM = OPA1;
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}
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/*********************************************************************
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* @fn OPA_Cmd
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*
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* @brief Enables or disables the specified OPA peripheral.
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*
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* @param OPA_NUM - Select OPA
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* NewState - ENABLE or DISABLE.
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*
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* @return none
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*/
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void OPA_Cmd(OPA_Num_TypeDef OPA_NUM, FunctionalState NewState)
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{
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if(NewState == ENABLE)
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{
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OPA->CR |= (1 << (OPA_NUM * OPA_Total_NUM));
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}
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else
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{
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OPA->CR &= ~(1 << (OPA_NUM * OPA_Total_NUM));
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}
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}
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