/** ******************************************************************************************************* * @file fm33lg0xx_fl_lcd.c * @author FMSH Application Team * @brief Src file of LCD FL Module ******************************************************************************************************* * @attention * * Copyright (c) [2021] [Fudan Microelectronics] * THIS SOFTWARE is licensed under Mulan PSL v2. * You can use this software according to the terms and conditions of the Mulan PSL v2. * You may obtain a copy of Mulan PSL v2 at: * http://license.coscl.org.cn/MulanPSL2 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. * See the Mulan PSL v2 for more details. * ******************************************************************************************************* */ /* Includes ------------------------------------------------------------------*/ #include "fm33lg0xx_fl.h" /** @addtogroup FM33LG0XX_FL_Driver * @{ */ /** @addtogroup LCD * @{ */ #ifdef FL_LCD_DRIVER_ENABLED /* Private macros ------------------------------------------------------------*/ /** @addtogroup LCD_FL_Private_Macros * @{ */ #define IS_FL_LCD_INSTANCE(INTENCE) ((INTENCE) == LCD) #define IS_FL_LCD_BIASCURRENT(__VALUE__) (((__VALUE__) == (FL_LCD_BIAS_CURRENT_VERYHIGH))||\ ((__VALUE__) == (FL_LCD_BIAS_CURRENT_HIGH))||\ ((__VALUE__) == (FL_LCD_BIAS_CURRENT_MEDIUM))||\ ((__VALUE__) == (FL_LCD_BIAS_CURRENT_LOW))) #define IS_FL_LCD_ENMODE(__VALUE__) ((__VALUE__) == (FL_LCD_DRIVER_MODE_INNER_RESISTER)||\ ((__VALUE__) == (FL_LCD_DRIVER_MODE_OUTER_CAPACITY))) #define IS_FL_LCD_BIASVOLTAGE(__VALUE__) (((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL0))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL1))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL2))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL3))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL4))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL5))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL6))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL7))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL8))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL9))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL10))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL11))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL12))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL13))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL14))||\ ((__VALUE__) == (FL_LCD_BIAS_VOLTAGE_LEVEL15))) #define IS_FL_LCD_BIASMD(__VALUE__) (((__VALUE__) == (FL_LCD_BIAS_MODE_4BIAS))||\ ((__VALUE__) == (FL_LCD_BIAS_MODE_3BIAS))) #define IS_FL_LCD_BWFT(__VALUE__) (((__VALUE__) == (FL_LCD_WAVEFORM_TYPEA))||\ ((__VALUE__) == (FL_LCD_WAVEFORM_TYPEB))) #define IS_FL_LCD_LMUX(__VALUE__) (((__VALUE__) == (FL_LCD_COM_NUM_4COM))||\ ((__VALUE__) == (FL_LCD_COM_NUM_6COM))||\ ((__VALUE__) == (FL_LCD_COM_NUM_8COM))) /** * @} */ /* Exported functions --------------------------------------------------------*/ /** @addtogroup LCD_FL_EF_Init * @{ */ /** * @brief 获取LCD工作频率寄存器值 * @param wavetype 波形 * @param freq 工作频率 * @retval 工作频率寄存器值 */ static uint32_t FL_LCD_DisplayFreq(uint32_t wavetype, uint32_t freq) { uint32_t displayFreq = 32u; if((freq > 0) && (freq <= 100)) { if(wavetype == FL_LCD_WAVEFORM_TYPEA) { switch(FL_LCD_GetCOMNumber(LCD)) { case FL_LCD_COM_NUM_4COM: displayFreq = (32768 / (4 * freq * 2)); break; case FL_LCD_COM_NUM_6COM: displayFreq = (32768 / (6 * freq * 2)); break; case FL_LCD_COM_NUM_8COM: displayFreq = (32768 / (8 * freq * 2)); break; default: displayFreq = (32768 / (4 * freq * 2)); break; } } else { switch(FL_LCD_GetCOMNumber(LCD)) { case FL_LCD_COM_NUM_4COM: displayFreq = (32768 / (4 * freq * 4)); break; case FL_LCD_COM_NUM_6COM: displayFreq = (32768 / (6 * freq * 4)); break; case FL_LCD_COM_NUM_8COM: displayFreq = (32768 / (8 * freq * 4)); break; default: displayFreq = (32768 / (4 * freq * 4)); break; } } } displayFreq = displayFreq & 0x000000ffu; return displayFreq; } /** * @brief 获取LCD闪烁时间寄存器值 * @param timevalue 闪烁时间 * @retval 闪烁时间寄存器值 */ static uint32_t FL_LCD_FlickTime(uint32_t timevalue) { uint32_t stepTime; uint32_t TimeResult = 0u; switch(FL_LCD_GetCOMNumber(LCD)) { case FL_LCD_COM_NUM_4COM: stepTime = (4 * FL_LCD_ReadDisplayFrequency(LCD) * 2 * 16 * 1000) / 32768; break; case FL_LCD_COM_NUM_6COM: stepTime = (6 * FL_LCD_ReadDisplayFrequency(LCD) * 2 * 16 * 1000) / 32768; break; case FL_LCD_COM_NUM_8COM: stepTime = (8 * FL_LCD_ReadDisplayFrequency(LCD) * 2 * 16 * 1000) / 32768; break; default: stepTime = (4 * FL_LCD_ReadDisplayFrequency(LCD) * 2 * 16 * 1000) / 32768; break; } TimeResult = timevalue / stepTime; return TimeResult; } /** * @brief 复位对应LCD寄存器. * @param LCDx * @retval ErrorStatus枚举值: * -FL_PASS 外设寄存器值恢复复位值 * -FL_FAIL 未成功执行 */ FL_ErrorStatus FL_LCD_DeInit(LCD_Type *LCDx) { assert_param(IS_FL_LCD_INSTANCE(LCDx)); /* 使能外设复位 */ FL_RMU_EnablePeripheralReset(RMU); /* 复位LCD外设寄存器 */ FL_RMU_EnableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_LCD); FL_RMU_DisableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_LCD); /* 关闭外设总线始时钟和工作时钟 */ FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_LCD); /* 锁定外设复位 */ FL_RMU_DisablePeripheralReset(RMU); return FL_PASS; } /** * @brief 根据 LCD_InitStruct 的配置信息初始化对应外设入口地址的寄存器值. * @param LCDx LCDx * @param LCD_InitStruct 指向一个 @ref FL_LCD_InitTypeDef 结构体 * 其中包含了外设的相关配置信息. * @retval ErrorStatus枚举值 * -FL_FAIL 配置过程发生错误 * -FL_PASS LCD配置成功 */ FL_ErrorStatus FL_LCD_Init(LCD_Type *LCDx, FL_LCD_InitTypeDef *initStruct) { assert_param(IS_FL_LCD_INSTANCE(LCDx)); assert_param(IS_FL_LCD_BIASCURRENT(initStruct->biasCurrent)); assert_param(IS_FL_LCD_ENMODE(initStruct->mode)); assert_param(IS_FL_LCD_BIASVOLTAGE(initStruct->biasVoltage)); assert_param(IS_FL_LCD_BIASMD(initStruct->biasMode)); assert_param(IS_FL_LCD_BWFT(initStruct->waveform)); assert_param(IS_FL_LCD_LMUX(initStruct->COMxNum)); /* 外设总线始时钟 */ FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_LCD); /* 电流源电流控制 */ FL_LCD_SetBiasCurrent(LCD, initStruct->biasCurrent); /* LCD驱动模式 */ FL_LCD_SetDriverMode(LCD, initStruct->mode); /* 偏执电压设置 */ FL_LCD_SetBiasVoltage(LCD, initStruct->biasVoltage); /* 偏执模式选择 */ FL_LCD_SetBiasMode(LCD, initStruct->biasMode); /* 驱动波形设置 */ FL_LCD_SetWaveform(LCD, initStruct->waveform); /* COMx口选择 */ FL_LCD_SetCOMNumber(LCD, initStruct->COMxNum); /* 设置工作频率 */ FL_LCD_WriteDisplayFrequency(LCD, FL_LCD_DisplayFreq(initStruct->waveform, initStruct->displayFreq)); /* 设置闪烁频率 */ FL_LCD_WriteDisplayOnTime(LCD, FL_LCD_FlickTime(initStruct->flickOnTime)); FL_LCD_WriteDisplayOffTime(LCD, FL_LCD_FlickTime(initStruct->flickOffTime)); /* 使能外设 */ FL_LCD_Enable(LCD); return FL_PASS; } /** * @brief 设置 LCD_InitStruct 为默认配置 * @param LCD_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_LCD_InitTypeDef 结构体 * * @retval None */ void FL_LCD_StructInit(FL_LCD_InitTypeDef *initStruct) { initStruct->biasCurrent = FL_LCD_BIAS_CURRENT_HIGH; initStruct->mode = FL_LCD_DRIVER_MODE_INNER_RESISTER; initStruct->biasVoltage = FL_LCD_BIAS_VOLTAGE_LEVEL10; initStruct->biasMode = FL_LCD_BIAS_MODE_3BIAS; initStruct->waveform = FL_LCD_WAVEFORM_TYPEA; initStruct->COMxNum = FL_LCD_COM_NUM_6COM; initStruct->displayFreq = 42; initStruct->flickOnTime = 0; initStruct->flickOffTime = 0; } /** * @brief 设置 LCD 4COM显示字端 * @param display 指向显示信息的缓存区域，可直接指向LCD的DATAx寄存器。 * @param com 待显示字段所在COM。范围0-4。 * @param seg 待显示字段所在SEG。范围0-43。 * @param state 待显示字段状态。0，熄灭；否则，点亮。 * * @retval None */ void FL_LCD_4COMDisplay(uint32_t *display, uint8_t com, uint8_t seg, uint8_t state) { uint8_t temp; if(state != 0) { state = 1; } if(seg > 31) { temp = (seg - 32) + com * 12; com = 4 + temp / 32; seg = temp % 32; } MODIFY_REG(display[com], (uint32_t)(0x1U << seg), (uint32_t)(state << seg)); } /** * @brief 设置 LCD 6COM显示字端 * @param display 指向显示信息的缓存区域，可直接指向LCD的DATAx寄存器。 * @param com 待显示字段所在COM。范围0-6。 * @param seg 待显示字段所在SEG。范围0-41。其中 28 对应 SEG42，29 对应 SEG43 * @param state 待显示字段状态。0，熄灭；否则，点亮。 * * @retval None */ void FL_LCD_6COMDisplay(uint32_t *display, uint8_t com, uint8_t seg, uint8_t state) { uint8_t temp; if(state != 0) { state = 1; } if(seg > 31) { temp = (seg - 32) + com * 10; com = 6 + temp / 32; seg = temp % 32; } MODIFY_REG(display[com], (uint32_t)(0x1 << seg), (uint32_t)(state << seg)); } /** * @brief 设置 LCD 8COM显示字端 * @param display 指向显示信息的缓存区域，可直接指向LCD的DATAx寄存器。 * @param com 待显示字段所在COM。范围0-8。 * @param seg 待显示字段所在SEG。范围0-39。其中 28 对应 SEG40，29 对应 SEG41，30 对应 SEG42，31 对应 SEG43 * @param state 待显示字段状态。0，熄灭；否则，点亮。 * * @retval None */ void FL_LCD_8COMDisplay(uint32_t *display, uint8_t com, uint8_t seg, uint8_t state) { uint8_t temp; if(state != 0) { state = 1; } if(seg > 31) { temp = (seg - 32) + com * 8; com = 8 + temp / 32; seg = temp % 32; } MODIFY_REG(display[com], (uint32_t)(0x1 << seg), (uint32_t)(state << seg)); } /** * @} */ #endif /* FL_LCD_DRIVER_ENABLED */ /** * @} */ /** * @} */ /*************************(C) COPYRIGHT Fudan Microelectronics **** END OF FILE*************************/