/**************************************************************************************************
* @fn HalLcd_HW_Init
*
* @brief Initilize HW LCD Driver.
*
* @param None
*
* @return None
**************************************************************************************************/
void HalLcd_HW_Init(void)
{
/* Initialize LCD IO lines */
halLcd_ConfigIO();
/* Initialize SPI */
halLcd_ConfigSPI();
/* Perform reset */
LCD_ACTIVATE_RESET();
HalLcd_HW_WaitUs(15000); // 15 ms
LCD_RELEASE_RESET();
HalLcd_HW_WaitUs(15); // 15 us
/* Perform the initialization sequence */
FUNCTION_SET(CGRAM | COM_FORWARD | THREE_LINE);
/* Set contrast */
HalLcd_HW_SetContrast(15);
/* Set power */
SET_POWER_SAVE_MODE(OSC_OFF | POWER_SAVE_ON);
SET_POWER_CTRL(VOLTAGE_DIVIDER_ON | CONVERTER_AND_REG_ON);
SET_BIAS_CTRL(BIAS_1_5);
HalLcd_HW_WaitUs(21000);// 21 ms
/* Clear the display */
HalLcd_HW_Clear();
HalLcd_HW_ClearAllSpecChars();
SET_DISPLAY_CTRL(DISPLAY_CTRL_ON | DISPLAY_CTRL_BLINK_OFF | DISPLAY_CTRL_CURSOR_OFF);
}
/**************************************************************************************************
* @fn HalLcd_HW_Init
*
* @brief Initilize HW LCD Driver.
*
* @param None
*
* @return None
**************************************************************************************************/
void HalLcd_HW_Init(void)
{
/* Initialize LCD IO lines */
halLcd_ConfigIO();
/* Initialize SPI */
halLcd_ConfigSPI();
HalLcd_HW_Control(0xaf); //开显示
HalLcd_HW_Control(0x40); //显示起始行为0
HalLcd_HW_Control(0xa0); //RAM列地址与列驱动同顺序
HalLcd_HW_Control(0xa6); //正向显示
HalLcd_HW_Control(0xa4); //显示全亮功能关闭
HalLcd_HW_Control(0xa2); //LCD偏压比1/9
HalLcd_HW_Control(0xc8); //行驱动方向为反向
HalLcd_HW_Control(0x2f); //启用内部LCD驱动电源
HalLcd_HW_Control(0xf8); //升压电路设置指令代码
HalLcd_HW_Control(0x00); //倍压设置为4X
HalLcd_HW_SetContrast(0x68);//set contrast 对比度
/* Clear the display */
HalLcd_HW_Clear();
}
/**************************************************************************************************
初始化，已根据lcd12864手册更改
**************************************************************************************************/
void HalLcd_HW_Init(void)
{
/* Initialize LCD IO lines */
halLcd_ConfigIO();
/* Initialize SPI */
halLcd_ConfigSPI();
HalLcd_HW_Control(0xe2); //软复位
HalLcd_HW_WaitUs(15000); // 15 us
HalLcd_HW_Control(0x2c); //升压步聚1
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Control(0x2e); //升压步聚2
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Control(0x2f); //升压步聚3
HalLcd_HW_WaitUs(150); // 15 us
HalLcd_HW_Control(0x23); //粗调对比度，可设置范围0x20～0x27
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Control(0x81); //微调对比度
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Control(0x28); //0x1a,微调对比度的值，可设置范围0x00～0x3f
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Control(0xa2); // 1/9偏压比（bias）
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Control(0xa0); //行扫描顺序：从上到下
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Control(0xc8); //列扫描顺序：从左到右
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Control(0x40); //起始行：第一行开始
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Control(0xaf); //打开显示
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Control(0xa4);
HalLcd_HW_WaitUs(15); // 15 us
HalLcd_HW_Clear();
//display_string_5x7(1,1,"abcdefghijklmnopqrstuvwxyz");
//display_string_5x7(8,1,"uvwxyz0123456789");
//while(1);
}
/*********************************************************************
* 函数名称：HalLcd_HW_Init
* 功 能：LCD硬件初始化
* 入口参数：无
* 出口参数：无
* 返 回 值：无
********************************************************************/
void HalLcd_HW_Init(void)
{
halLcd_ConfigIO(); // 初始化LCD IO口
halLcd_ConfigSPI();// 初始化 SPI 口
/* 复位LCD */
LCD_ACTIVATE_RESET();
HalLcd_HW_WaitUs(8000);
LCD_RELEASE_RESET();
HalLcd_HW_WaitUs(30000);
HalLcd_HW_WaitUs(30000);
HalLcd_HW_SetBackLight(0); // 设置背光强度
HalLcd_HW_Clear(); // 清屏
HalLcd_HW_SetBackLight(100);
HalLcd_HW_FontCharSet(0,1);// 字体设置
HalLcd_HW_FontMode(1,0);
}