131 lines
3.4 KiB
C
131 lines
3.4 KiB
C
/************************************************************************************************/
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/**
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* @file ciu32l051_std_lcd.c
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* @author MCU Ecosystem Development Team
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* @brief LCD STD库驱动。
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* 实现LCD初始化等API。
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*
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*
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**************************************************************************************************
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* @attention
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* Copyright (c) CEC Huada Electronic Design Co.,Ltd. All rights reserved.
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*
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**************************************************************************************************
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*/
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/************************************************************************************************/
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/**
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* @addtogroup CIU32L051_STD_Driver
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* @{
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*/
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/**
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* @addtogroup LCD
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* @{
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*
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*/
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/************************************************************************************************/
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/*------------------------------------------includes--------------------------------------------*/
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#include "ciu32l051_std.h"
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#ifdef STD_LCD_PERIPHERAL_USED
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/*------------------------------------------functions------------------------------------------*/
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/************************************************************************************************/
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/**
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* @addtogroup LCD_External_Functions
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* @{
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*
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*/
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/************************************************************************************************/
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/**
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* @brief LCD初始化
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* @param lcd_init_param LCD 初始化结构体
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* @retval 无
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*/
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void std_lcd_init(std_lcd_init_t *lcd_init_param)
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{
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/* 禁止LCD */
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std_lcd_disable();
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/* 判断LCD为禁止状态 */
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while(std_lcd_get_flag(LCD_FLAG_ENS))
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{
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}
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/* 配置LCD区段多路复用
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配置LCD占空比
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配置LCD偏置
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配置LCD驱动模式
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*/
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MODIFY_REG(LCD->CR,
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(LCD_CR_MUX_SEG | LCD_CR_DUTY | LCD_CR_BIAS | LCD_CR_MDSET),
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(lcd_init_param->mux_segment | lcd_init_param->duty | lcd_init_param->bias | lcd_init_param->driver_mode));
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/* LCD显示帧速率：PS和DIV
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配置LCD驱动能力
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配置LCD脉冲持续时间
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配置VLCD输出电压档位
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*/
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MODIFY_REG(LCD->FCR,
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(LCD_FCR_PS | LCD_FCR_DIV | LCD_FCR_HD | LCD_FCR_PON | LCD_FCR_CC),
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(lcd_init_param->prescaler | lcd_init_param->divider | lcd_init_param->high_drive | lcd_init_param->pulse_on_duration | lcd_init_param->vlcd_voltage));
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/* LCD外设使能 */
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std_lcd_enable();
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}
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/**
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* @brief LCD去初始化
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* @retval 无
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*/
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void std_lcd_deinit(void)
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{
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/* LCD外设禁止 */
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std_lcd_disable();
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/* 判断LCD外设禁止状态*/
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while(std_lcd_get_flag(LCD_FLAG_ENS))
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{
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}
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/* 复位LCD */
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std_rcc_apb1_reset(RCC_PERIPH_RESET_LCD);
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/* 禁止LCD外设时钟 */
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std_rcc_apb1_clk_disable(RCC_PERIPH_CLK_LCD);
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}
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/**
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* @brief LCD 结构体初始化
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* @param lcd_init_struct LCD 初始化结构体
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* @retval 无
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*/
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void std_lcd_struct_init(std_lcd_init_t *lcd_init_struct)
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{
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lcd_init_struct->duty = LCD_DUTY_1_6;
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lcd_init_struct->bias = LCD_BIAS_1_3;
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lcd_init_struct->prescaler = LCD_PRESCALER_4;
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lcd_init_struct->divider = LCD_FCR_DIV21;
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lcd_init_struct->driver_mode = LCD_DRIVER_MODE_CHARGE_PUMP;
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lcd_init_struct->vlcd_voltage = LCD_CHAGE_PUMP_1_3_BIAS_2_55V;
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lcd_init_struct->high_drive = LCD_LOW_DRIVE;
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lcd_init_struct->pulse_on_duration = LCD_PULSE_ON_DURATION_0;
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lcd_init_struct->mux_segment = LCD_MUX_SEGMENT_DISABLE;
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}
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/**
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* @}
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*/
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#endif /* STD_LCD_PERIPHERAL_USED */
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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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