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vendor/StdPeriphDriver/CH59x_lcd.c

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+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : CH59x_lcd.c
+ * Author             : WCH
+ * Version            : V1.0
+ * Date               : 2018/12/15
+ * Description 
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for 
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+#include "CH59x_common.h"
+#include "CH59x_lcd.h"
+
+/*******************************************************************************
+* Function Name  : LCD_DefInit
+* Description    : LCD段式屏驱动初始化配置
+* Input          : duty 占空比
+*                  bias 偏压比
+* Return         : None
+*******************************************************************************/
+void LCD_Init(LCDDutyTypeDef duty, LCDBiasTypeDef bias)
+{
+    R32_PIN_CONFIG2 = 0xFFD1FFF0; // 关闭数字输入
+    R16_PIN_ALTERNATE |= RB_DEBUG_EN; // 操作LCD时，需关闭debug
+    R32_LCD_CMD = 0x1ffff << 8;
+    R32_LCD_CMD |= RB_LCD_SYS_EN | RB_LCD_ON |
+                   (LCD_CLK_128 << 5)  |
+                   (duty << 3) |
+                   (bias << 2);
+}