/**
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******************************************************************************
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* @file xl_kbi.c
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* @author Kirk ,xu.wang
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* @version 4.5.2
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* @date Fri Mar 26 17:29:12 2021
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* @brief This file provide function about KBI firmware program
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******************************************************************************
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* @attention
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*
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* 2019 by Chipways Communications,Inc. All Rights Reserved.
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* This software is supplied under the terms of a license
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* agreement or non-disclosure agreement with Chipways.
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* Passing on and copying of this document,and communication
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* of its contents is not permitted without prior written
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* authorization.
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*
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* <h2><center>© COPYRIGHT 2019 Chipways</center></h2>
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******************************************************************************
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*/
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#if defined(__cplusplus)
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extern "C" {
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#endif /* __cplusplus */
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/* Includes ---------------------------------------------------------------*/
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#include "xl_kbi.h"
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/** @addtogroup XL6600_StdPeriph_Driver
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* @{
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*/
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/** @defgroup KBI KBI Module
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* @brief KBI Driver Modules Library
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/** @defgroup KBI_Private_Functions
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* @{
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*/
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/**
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* @brief KBIĬÈϳõʼ»¯
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* @param KBIx: Ñ¡ÔñKBIÍâÉè.
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* @retval None.
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*/
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void KBI_Deinit(KBI_Type *KBIx)
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{
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/* De-initialize the KBI module return to the default state. */
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KBIx->PE = 0u ;
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KBIx->ES = 0u;
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KBIx->SC = 0u ;
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}
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/**
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* @brief KBI³õʼ»¯
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* @param KBIx: Ñ¡ÔñKBIÍâÉè.
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* @param KBI_InitStruct: Ö¸Ïò°üº¬Ö¸¶¨KBIÍâÉèÅäÖÃÐÅÏ¢µÄKBI_InitTypeDef½á¹¹.
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* @retval None.
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*/
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void KBI_Init(KBI_Type *KBIx, const KBI_InitTypeDef *KBI_InitStruct)
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{
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uint32_t tmpreg;
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/* configure the register */
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/* Get the CS Register. */
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tmpreg = KBIx->SC;
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/* clear the KBSPEN,KBMOD bit*/
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tmpreg &= ~ (KBI_SC_KBSPEN_MASK | KBI_SC_KBMOD_MASK);
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/* set the KBI_SC register */
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tmpreg |= ((KBI_InitStruct->KBI_SPRegValue)|(KBI_InitStruct->KBI_DetectMode));
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/* Write to KBI SC */
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KBIx->SC = tmpreg ;
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}
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/**
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* @brief ÅäÖÃÒ»¸öÖ¸¶¨µÄpinλ.
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* @param KBIx: Ñ¡ÔñKBIÍâÉè.
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* @param KBI_Pin: Ö¸¶¨pin(KBI_P0~KBI_P31)
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* @param EdgeSelect: ±ßԵѡÔñ
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* Õâ¸ö²ÎÊý¿ÉÒÔÈ¡ÏÂÃæµÄÖµ:
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* @arg KBI_FallEdge_LowLevel: Ñ¡ÔñϽµÑغ͵͵çƽ
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* @arg KBI_RiseEdge_HighLevel: Ñ¡ÔñÉÏÉýÑغ͸ߵçƽ
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* @retval None.
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*/
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void KBI_PinConfig(KBI_Type *KBIx, uint8_t KBI_Pin,uint8_t EdgeSelect)
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{
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/*Enable the KBI pin speified.*/
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KBIx->PE |= (( (uint32_t)1 << KBI_Pin) & KBI_PE_KBIPE_MASK);
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/*first clear the KBI Edge Select speified.*/
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KBIx->ES &= ~(( (uint32_t)1u << KBI_Pin) & KBI_ES_KBEDG_MASK);
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/*Selet the falling edge/low-lever or rising edge/high-lever.*/
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KBIx->ES |= ( ((uint32_t)EdgeSelect << KBI_Pin) & KBI_ES_KBEDG_MASK);
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}
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/**
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* @brief ÅäÖÃËùÓеÄpinλ.
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* @param KBIx: Ñ¡ÔñKBIÍâÉè.
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* @param KBI_Pin: Ö¸¶¨pin(KBI_P0~KBI_P31)
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* @param EdgeRegSelect: Ñ¡Ôñpin±ßÔµ
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* Õâ¸ö²ÎÊý¿ÉÒÔÈ¡ÏÂÃæµÄÖµ:
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* @arg KBI_FallEdge_LowLevel: ϽµÑغ͵͵çƽ
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* @arg KBI_RiseEdge_HighLevel: ÉÏÉýÑغ͸ߵçƽ
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* @retval None.
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*/
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void KBI_BatchPinConfig(KBI_Type *KBIx, uint32_t KBI_Pin, uint32_t EdgeRegSelect)
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{
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/* Set the pins whether enable or not.*/
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KBIx->PE = KBI_Pin;
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/* Set the pins edge selection.*/
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KBIx->ES = EdgeRegSelect;
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}
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/**
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* @brief Æô¶¯Ò»¸öKBIÖжÏ.
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* Õâ¸öº¯ÊýÓÃÓÚÆô¶¯Ò»¸öKBIÖжÏ.
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* @param KBIx: Ñ¡ÔñKBIÍâÉè
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* @param NewState:KBIÖжÏʹÄÜ״̬
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* Õâ¸ö²ÎÊý¿ÉÒÔÈ¡ÏÂÃæµÄÖµ:
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* @arg ENABLE: ʹÄÜKBIÖжÏ
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* @arg DISABLE: ʹÄÜKBIÖжÏ
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* @retval None.
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*/
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void KBI_InterruptEn(KBI_Type *KBIx,FunctionalState NewState)
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{
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if(NewState != DISABLE )
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{
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/* Enable KBI Interrupt. */
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KBIx ->SC |= KBI_SC_KBIE_MASK;
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}
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else
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{
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/* Disable KBI Interrupt. */
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KBIx ->SC &= ~KBI_SC_KBIE_MASK;
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}
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}
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/**
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* @brief ָʾºÎʱ¼ì²âµ½KBIÖжÏÇëÇó.
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* @param KBIx: Ñ¡ÔñKBIÍâÉè¡£
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* @retval ÊÇ·ñ¼ì²âµ½ÁËÒ»¸öKBIÖжÏÇëÇ󣺣¨SET or RESET£©
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*/
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FlagStatus KBI_GetInterruptFlag(const KBI_Type *KBIx)
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{
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FlagStatus ret;
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/*Whether a KBI interrupt request is detected or not.*/
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if((KBIx->SC & KBI_SC_KBF_MASK) == KBI_SC_KBF_MASK)
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{
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ret = SET;
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}
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else
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{
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ret = RESET;
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}
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return ret;
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}
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/**
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* @brief Çå³ýÏàÓ¦µÄÖжϱê־λ¡£
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* @param KBIx: Ñ¡ÔñKBIÍâÉè¡£
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* @retval None.
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*/
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void KBI_ClrInterruptFlag(KBI_Type *KBIx)
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{
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/*Write a 1 to KBACK to clear the flag.*/
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KBIx->SC |= KBI_SC_KBACK_MASK;
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}
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/**
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* @brief ¸´Î»KIB_SP¼Ä´æÆ÷.
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* @param KBIx: Ñ¡ÔñKBIÍâÉè¡£
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* @retval None.
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*/
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void KBI_RstSP(KBI_Type *KBIx)
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{
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/*Write a 1 to RSTKBSP to reset clesr the KBIxSP register.*/
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KBIx->SC |= KBI_SC_RSTKBSP_MASK;
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}
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/**
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* @brief »ñÈ¡KBIÔ´pin¼Ä´æÆ÷×ֶΡ£
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* @param KBIx: Ñ¡ÔñKBIÍâÉè¡£
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* @retval the active pin defined as keyboard interrupt which is push.
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*/
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uint32_t KBI_GetSP(const KBI_Type *KBIx)
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{
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/*Get the active pin defined as keyboard interrrupt which is pushed.*/
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return (KBIx->SP & KBI_SP_SP_MASK);
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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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*/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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