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/******************************************************************************
* 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 lcd.c
**
** lcd driver API.
**
** - 2019-04-02 First Version
**
******************************************************************************/
/******************************************************************************
* Include files
******************************************************************************/
#include "hc32l196_lcd.h"
/**
******************************************************************************
** \addtogroup AdcGroup
******************************************************************************/
//@{
/******************************************************************************
* 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')
******************************************************************************/
/*****************************************************************************
* Function implementation - global ('extern') and local ('static')
*****************************************************************************/
/**
******************************************************************************
** \brief 获取LCD中断标志位INTF
**
** @param 无
** \retval 无
**
******************************************************************************/
boolean_t Lcd_GetItStatus(void)
{
return (((M0P_LCD->CR1)>>11)&0x01)? TRUE : FALSE;
}
/**
******************************************************************************
** \brief 清除中断标志位INTF
**
** @param 无
** \retval 无
**
******************************************************************************/
void Lcd_ClearItPendingBit(void)
{
SetBit((uint32_t)(&(M0P_LCD->INTCLR)), 10, 0);
}
/**
******************************************************************************
** \brief 根据LCD显示模式获取端口配置
**
** \param pstcSegComPara：显示方式， stcSegCom获取端口参数
**
** \retval enRet 成功或失败
**
******************************************************************************/
en_result_t Lcd_GetSegCom(stc_lcd_segcompara_t *pstcSegComPara,stc_lcd_segcom_t *pstcSegCom)
{
en_result_t enRet = Error;
pstcSegCom->stc_seg32_51_com0_8_t.seg32_51_com0_8 = 0xffffffffu;
pstcSegCom->u32Seg0_31 = 0xffffffffu;
if(pstcSegComPara->u8MaxSeg>51)
{
return ErrorInvalidParameter;
}
switch(pstcSegComPara->LcdBiasSrc)
{
case LcdInResHighPower:
case LcdInResLowPower:
case LcdInResMidPower:
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Mux = 1;
break;
case LcdExtCap:
case LcdExtRes:
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Mux = 0;
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg32_35 = 0;
break;
default:
return ErrorInvalidParameter;
}
switch(pstcSegComPara->LcdDuty)
{
case LcdStatic:
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = (~1u)&0x0fu;
break;
case LcdDuty2:
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = (~3u)&0x0fu;
break;
case LcdDuty3:
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = (~7u)&0x0fu;
break;
case LcdDuty4:
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = (~15u)&0x0fu;
break;
case LcdDuty6:
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = 0;
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg39Com4 = 0;
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg38Com5 = 0;
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg37Com6 = 1;
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg36Com7 = 1;
break;
case LcdDuty8:
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Com0_3 = 0;
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg39Com4 = 0;
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg38Com5 = 0;
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg37Com6 = 0;
pstcSegCom->stc_seg32_51_com0_8_t.segcom_bit.Seg36Com7 = 0;
break;
default:
return ErrorInvalidParameter;
}
enRet = Ok;
return enRet;
}
/**
******************************************************************************
** \brief LCD COMSEG端口配置，使用该函数之前需要先使能相应的Seg
**
** \param [in] pstcSegCom端口配置结构体
**
** \retval enRet 成功或失败
**
******************************************************************************/
void Lcd_SetSegCom(stc_lcd_segcom_t *pstcSegCom)
{
M0P_LCD->POEN0 = pstcSegCom->u32Seg0_31;
M0P_LCD->POEN1 = pstcSegCom->stc_seg32_51_com0_8_t.seg32_51_com0_8;
}
/**
******************************************************************************
** \brief LCD模块初始化函数
**
** \param stcLcdCfg配置初始化结构体
**
** \retval 无
**
******************************************************************************/
void Lcd_Init(stc_lcd_cfg_t *pstcLcdCfg)
{
M0P_LCD->CR0_f.BSEL = pstcLcdCfg->LcdBiasSrc;
M0P_LCD->CR0_f.DUTY = pstcLcdCfg->LcdDuty;
M0P_LCD->CR0_f.BIAS = pstcLcdCfg->LcdBias;
M0P_LCD->CR0_f.CPCLK = pstcLcdCfg->LcdCpClk;
M0P_LCD->CR0_f.LCDCLK = pstcLcdCfg->LcdScanClk;
M0P_LCD->CR1_f.MODE = pstcLcdCfg->LcdMode;
M0P_LCD->CR1_f.CLKSRC = pstcLcdCfg->LcdClkSrc;
M0P_LCD->CR0_f.EN = pstcLcdCfg->LcdEn;
}
/**
******************************************************************************
** \brief 液晶全显
**
** \param 无
**
** \retval 无
**
******************************************************************************/
void Lcd_FullDisp(void)
{
uint8_t tmp;
volatile uint32_t *ram = NULL;
ram = &M0P_LCD->RAM0;
for(tmp=0;tmp<16;tmp++)
{
*ram = 0xffffffffu;
ram++;
}
}
/**
******************************************************************************
** \brief 清屏
**
** \param 无
**
** \retval 无
**
******************************************************************************/
void Lcd_ClearDisp(void)
{
uint8_t tmp;
volatile uint32_t *ram = NULL;
ram = &M0P_LCD->RAM0;
for(tmp=0;tmp<16;tmp++)
{
*ram = 0;
ram++;
}
}
/**
******************************************************************************
** \brief LCD RAM 0-f寄存器设置函数
**
** \param u8Row RAM地址索引，范围：0-15，u8Data写入寄存器数值
**
** \retval enRet 成功或失败
**
******************************************************************************/
en_result_t Lcd_WriteRam(uint8_t u8Row,uint32_t u32Data)
{
en_result_t enRet = Error;
volatile uint32_t *ram = NULL;
ram = (volatile uint32_t*)&M0P_LCD->RAM0;
if (u8Row > 15)
{
enRet = ErrorInvalidParameter;
return enRet;
}
ram += u8Row;
*ram = u32Data;
enRet = Ok;
return enRet;
}
/******************************************************************************
* EOF (not truncated)
******************************************************************************/
|
