C++ (Cpp) HalLcd_HW_SetContrast Examples

Example #1

File: hal_lcd.c Project: billy-wang/IOT

/**************************************************************************************************
 * @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);
}

Example #2

File: hal_lcd.c Project: PeanutTechnology/IGreen-Zigbee

/**************************************************************************************************
 * @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();

}

Example #3

File: hal_lcd.c Project: MobileHealthMonitoringSystem/MHMS

void HalLcd_HW_Init(void)
{
  /* Initialize SPI */
  UCB0CTL1 |= UCSWRST;
  UCB0CTL0 |= UCMST | UCSYNC | UCCKPH | UCMSB;   /* MSB, Master mode, Sync mode, Data capture on the first UCLK edge */
  UCB0CTL1 |= UCSSEL1;                           /* SMCLK */
  UCB0BR0  = 4;
  UCB0BR1  = 0;
  LCD_SPI_INIT_PORTS();
  LCD_SPI_END();
  UCB0CTL1 &= ~UCSWRST;

  /* Init I/O */
  LCD_CTRL_INIT_PORTS();

  /* Perform reset */
  LCD_ACTIVATE_RESET();
  HalLcd_HW_Wait(15); // 15 ms
  LCD_RELEASE_RESET();
  HalLcd_HW_Wait(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_Wait(20);// 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);
}