290 lines
10 KiB
C
290 lines
10 KiB
C
/******************************************************************************
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* Copyright (C) 2019, Huada Semiconductor Co.,Ltd All rights reserved.
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*
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* This software is owned and published by:
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* Huada Semiconductor Co.,Ltd ("HDSC").
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*
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* BY DOWNLOADING, INSTALLING OR USING THIS SOFTWARE, YOU AGREE TO BE BOUND
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* BY ALL THE TERMS AND CONDITIONS OF THIS AGREEMENT.
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*
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* This software contains source code for use with HDSC
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* components. This software is licensed by HDSC to be adapted only
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* for use in systems utilizing HDSC components. HDSC shall not be
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* responsible for misuse or illegal use of this software for devices not
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* supported herein. HDSC is providing this software "AS IS" and will
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* not be responsible for issues arising from incorrect user implementation
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* of the software.
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*
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* Disclaimer:
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* HDSC MAKES NO WARRANTY, EXPRESS OR IMPLIED, ARISING BY LAW OR OTHERWISE,
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* REGARDING THE SOFTWARE (INCLUDING ANY ACOOMPANYING WRITTEN MATERIALS),
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* ITS PERFORMANCE OR SUITABILITY FOR YOUR INTENDED USE, INCLUDING,
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* WITHOUT LIMITATION, THE IMPLIED WARRANTY OF MERCHANTABILITY, THE IMPLIED
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* WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE OR USE, AND THE IMPLIED
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* WARRANTY OF NONINFRINGEMENT.
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* HDSC SHALL HAVE NO LIABILITY (WHETHER IN CONTRACT, WARRANTY, TORT,
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* NEGLIGENCE OR OTHERWISE) FOR ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT
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* LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION,
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* LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) ARISING FROM USE OR
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* INABILITY TO USE THE SOFTWARE, INCLUDING, WITHOUT LIMITATION, ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS OF DATA,
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* SAVINGS OR PROFITS,
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* EVEN IF Disclaimer HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* YOU ASSUME ALL RESPONSIBILITIES FOR SELECTION OF THE SOFTWARE TO ACHIEVE YOUR
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* INTENDED RESULTS, AND FOR THE INSTALLATION OF, USE OF, AND RESULTS OBTAINED
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* FROM, THE SOFTWARE.
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*
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* This software may be replicated in part or whole for the licensed use,
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* with the restriction that this Disclaimer and Copyright notice must be
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* included with each copy of this software, whether used in part or whole,
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* at all times.
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*/
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/******************************************************************************/
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/** \file lcd.c
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**
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** lcd driver API.
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**
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** - 2019-04-02 First Version
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**
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******************************************************************************/
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/******************************************************************************
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* Include files
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******************************************************************************/
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#include "hc32l196_lcd.h"
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/**
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******************************************************************************
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** \addtogroup AdcGroup
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******************************************************************************/
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//@{
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/******************************************************************************
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* Local pre-processor symbols/macros ('#define')
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******************************************************************************/
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/******************************************************************************
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* Global variable definitions (declared in header file with 'extern')
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******************************************************************************/
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/******************************************************************************
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* Local type definitions ('typedef')
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******************************************************************************/
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/******************************************************************************
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* Local function prototypes ('static')
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******************************************************************************/
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/******************************************************************************
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* Local variable definitions ('static')
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******************************************************************************/
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/*****************************************************************************
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* Function implementation - global ('extern') and local ('static')
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*****************************************************************************/
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/**
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******************************************************************************
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** \brief 获取LCD中断标志位INTF
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**
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** @param 无
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** \retval 无
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**
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******************************************************************************/
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boolean_t Lcd_GetItStatus(void)
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{
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return (((M0P_LCD->CR1)>>11)&0x01)? TRUE : FALSE;
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}
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/**
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******************************************************************************
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** \brief 清除中断标志位INTF
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**
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** @param 无
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** \retval 无
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**
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******************************************************************************/
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void Lcd_ClearItPendingBit(void)
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{
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SetBit((uint32_t)(&(M0P_LCD->INTCLR)), 10, 0);
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}
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/**
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******************************************************************************
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** \brief 根据LCD显示模式获取端口配置
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**
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** \param pstcSegComPara：显示方式， stcSegCom获取端口参数
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**
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** \retval enRet 成功或失败
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**
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******************************************************************************/
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en_result_t Lcd_GetSegCom(stc_lcd_segcompara_t *pstcSegComPara,stc_lcd_segcom_t *pstcSegCom)
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{
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en_result_t enRet = Error;
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pstcSegCom->stc_seg32_51_com0_8_t.seg32_51_com0_8 = 0xffffffffu;
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pstcSegCom->u32Seg0_31 = 0xffffffffu;
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if(pstcSegComPara->u8MaxSeg>51)
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{
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return ErrorInvalidParameter;
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}
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switch(pstcSegComPara->LcdBiasSrc)
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{
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case LcdInResHighPower:
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case LcdInResLowPower:
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case LcdInResMidPower:
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Mux = 1;
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break;
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case LcdExtCap:
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case LcdExtRes:
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Mux = 0;
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg32_35 = 0;
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break;
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default:
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return ErrorInvalidParameter;
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}
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switch(pstcSegComPara->LcdDuty)
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{
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case LcdStatic:
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = (~1u)&0x0fu;
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break;
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case LcdDuty2:
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = (~3u)&0x0fu;
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break;
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case LcdDuty3:
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = (~7u)&0x0fu;
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break;
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case LcdDuty4:
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = (~15u)&0x0fu;
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break;
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case LcdDuty6:
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = 0;
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg39Com4 = 0;
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg38Com5 = 0;
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg37Com6 = 1;
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg36Com7 = 1;
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break;
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case LcdDuty8:
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = 0;
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg39Com4 = 0;
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg38Com5 = 0;
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg37Com6 = 0;
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pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg36Com7 = 0;
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break;
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default:
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return ErrorInvalidParameter;
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}
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enRet = Ok;
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return enRet;
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}
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/**
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******************************************************************************
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** \brief LCD COMSEG端口配置，使用该函数之前需要先使能相应的Seg
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**
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** \param [in] pstcSegCom端口配置结构体
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**
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** \retval enRet 成功或失败
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**
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******************************************************************************/
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void Lcd_SetSegCom(stc_lcd_segcom_t *pstcSegCom)
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{
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M0P_LCD->POEN0 = pstcSegCom->u32Seg0_31;
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M0P_LCD->POEN1 = pstcSegCom->stc_seg32_51_com0_8_t.seg32_51_com0_8;
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}
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/**
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******************************************************************************
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** \brief LCD模块初始化函数
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**
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** \param stcLcdCfg配置初始化结构体
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**
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** \retval 无
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**
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******************************************************************************/
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void Lcd_Init(stc_lcd_cfg_t *pstcLcdCfg)
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{
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M0P_LCD->CR0_f.BSEL = pstcLcdCfg->LcdBiasSrc;
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M0P_LCD->CR0_f.DUTY = pstcLcdCfg->LcdDuty;
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M0P_LCD->CR0_f.BIAS = pstcLcdCfg->LcdBias;
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M0P_LCD->CR0_f.CPCLK = pstcLcdCfg->LcdCpClk;
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M0P_LCD->CR0_f.LCDCLK = pstcLcdCfg->LcdScanClk;
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M0P_LCD->CR1_f.MODE = pstcLcdCfg->LcdMode;
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M0P_LCD->CR1_f.CLKSRC = pstcLcdCfg->LcdClkSrc;
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M0P_LCD->CR0_f.EN = pstcLcdCfg->LcdEn;
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}
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/**
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******************************************************************************
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** \brief 液晶全显
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**
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** \param 无
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**
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** \retval 无
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**
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******************************************************************************/
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void Lcd_FullDisp(void)
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{
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uint8_t tmp;
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volatile uint32_t *ram = NULL;
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ram = &M0P_LCD->RAM0;
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for(tmp=0;tmp<16;tmp++)
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{
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*ram = 0xffffffffu;
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ram++;
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}
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}
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/**
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******************************************************************************
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** \brief 清屏
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**
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** \param 无
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**
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** \retval 无
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**
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******************************************************************************/
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void Lcd_ClearDisp(void)
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{
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uint8_t tmp;
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volatile uint32_t *ram = NULL;
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ram = &M0P_LCD->RAM0;
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for(tmp=0;tmp<16;tmp++)
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{
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*ram = 0;
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ram++;
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}
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}
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/**
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******************************************************************************
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** \brief LCD RAM 0-f寄存器设置函数
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**
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** \param u8Row RAM地址索引，范围：0-15，u8Data写入寄存器数值
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**
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** \retval enRet 成功或失败
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**
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******************************************************************************/
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en_result_t Lcd_WriteRam(uint8_t u8Row,uint32_t u32Data)
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{
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en_result_t enRet = Error;
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volatile uint32_t *ram = NULL;
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ram = (volatile uint32_t*)&M0P_LCD->RAM0;
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if (u8Row > 15)
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{
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enRet = ErrorInvalidParameter;
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return enRet;
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}
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ram += u8Row;
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*ram = u32Data;
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enRet = Ok;
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return enRet;
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}
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/******************************************************************************
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* EOF (not truncated)
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******************************************************************************/
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