/****************************************************************************** * 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) ******************************************************************************/