/**
* @brief Init the GPIO port of the LCD and LCD peripheral.
* @param None
* @retval None
*/
void LCD_Seg_Init(void)
{
uint16_t i;
LCD_InitPara LCD_InitStructure;
/* Configure the LCD GPIO pins */
LCD_GPIO_Config();
/*!< Enable the clock of LCD */
RCC_APB1PeriphClock_Enable(RCC_APB1PERIPH_LCD, ENABLE);
for(i=0;i<500;i++);
/* Configure the LCD interface */
LCD_InitStructure.LCD_Prescaler = LCD_PRESCALER_1;
LCD_InitStructure.LCD_Divider = LCD_DIVIDER_16;
LCD_InitStructure.LCD_Duty = LCD_DUTY_1_4;
LCD_InitStructure.LCD_VBias = LCD_BIAS_1_3;
LCD_InitStructure.LCD_VSRC = LCD_VOLTAGESOURCE_INTERNAL;
LCD_Init(&LCD_InitStructure);
/* Configure the Pulse On Duration */
LCD_PulseOnDurationConfig(LCD_PULSEON_DURATION_7);
/* Configure the Datatime Period */
LCD_DeadTimeConfig(LCD_DEADTIME_PERIOD_7);
/* Configure the LCD Contrast LEVEL_7(3.51V) */
LCD_ContrastConfig(LCD_CONTRAST_LEVEL_7);
/* Enable high drive function */
LCD_HighDrive_Enable(ENABLE);
/* Loop until SYNF flag is set */
while ((LCD->SFR & LCD_FLAG_SYNF) == (uint32_t)RESET)
{
}
/* Enable LCD peripheral */
LCD_Enable(ENABLE);
/* Wait the LCD is enable */
while(!(LCD_GetBitState(LCD_FLAG_ONF)))
{
}
/* Wait the LCD CFGR register synchronization */
// while(!(LCD_GetBitState(LCD_FLAG_VRDYF)))
// {
// }
}
void LCD_HardwareInit(void)
{
unsigned long segments = S8 | S9 | S10 | S11 | S12 | S13 | S14 | S15 | S16 | S17 | S18 | S19;
CLK_RTCClockConfig(CLK_RTCCLKSource_LSI, CLK_RTCCLKDiv_2);
CLK_PeripheralClockConfig(CLK_Peripheral_RTC, ENABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_LCD, ENABLE);
LCD_Init(LCD_Prescaler_4, LCD_Divider_24, LCD_Duty_1_3, LCD_Bias_1_3, LCD_VoltageSource_External);
LCD_PortMaskConfig(LCD_PortMaskRegister_1, (uint8_t)(segments >> 8));
LCD_PortMaskConfig(LCD_PortMaskRegister_2, (uint8_t)(segments >> 16));
LCD_PortMaskConfig(LCD_PortMaskRegister_3, (uint8_t)(segments >> 24));
LCD_PulseOnDurationConfig(LCD_PulseOnDuration_0);
LCD_ContrastConfig(LCD_Contrast_Level_7);
LCD_Cmd(ENABLE);
}
void lcd_init(void)
{
LCD_Init(LCD_Prescaler_2,
LCD_Divider_16,
LCD_Duty_1_4,
LCD_Bias_1_3,
LCD_VoltageSource_Internal);
LCD_PortMaskConfig(LCD_PortMaskRegister_0, 0xff);
LCD_PortMaskConfig(LCD_PortMaskRegister_1,0xff);
LCD_PortMaskConfig(LCD_PortMaskRegister_2,0x03);
LCD_PulseOnDurationConfig(LCD_PulseOnDuration_1);
LCD_Cmd(ENABLE);
LCD_ContrastConfig(LCD_Contrast_Level_5);
};
void startLcd()
{
int i;
long j;
CLK_PeripheralClockConfig(CLK_Peripheral_RTC, ENABLE);
CLK_RTCClockConfig(CLK_RTCCLKSource_LSI, CLK_RTCCLKDiv_1);
CLK_PeripheralClockConfig(CLK_Peripheral_LCD, ENABLE);
LCD_Init(LCD_Prescaler_1, LCD_Divider_31, LCD_Duty_1_4, LCD_Bias_1_3, LCD_VoltageSource_Internal);
LCD_PortMaskConfig(LCD_PortMaskRegister_0, 0xff);
LCD_PortMaskConfig(LCD_PortMaskRegister_1, 0xff);
LCD_PortMaskConfig(LCD_PortMaskRegister_2, 0xff);
LCD_ContrastConfig(LCD_Contrast_3V0);
LCD_DeadTimeConfig(LCD_DeadTime_0);
LCD_PulseOnDurationConfig(LCD_PulseOnDuration_1);
LCD_Cmd(ENABLE);
}
void LCD_SC_Init(void)
{
/* Enable LCD clock */
CLK_PeripheralClockConfig(CLK_Peripheral_RTC, ENABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_LCD, ENABLE);
CLK_RTCClockConfig(CLK_RTCCLKSource_LSE, CLK_RTCCLKDiv_1);
/* Initialize the LCD */
LCD_Init(LCD_Prescaler_2, LCD_Divider_18, LCD_Duty_1_8,
LCD_Bias_1_4, LCD_VoltageSource_Internal);
/* Mask register*/
LCD_PortMaskConfig(LCD_PortMaskRegister_0, 0xff);
LCD_PortMaskConfig(LCD_PortMaskRegister_1, 0x3f);
LCD_ContrastConfig(LCD_Contrast_Level_7);
LCD_PulseOnDurationConfig(LCD_PulseOnDuration_7);
/* Enable LCD peripheral */
LCD_Cmd(ENABLE);
}
/**
* @brief Configures the LCD GLASS relative GPIO port IOs and LCD peripheral.
* @param None
* @retval None
*/
void LCD_GLASS_Init(void)
{
LCD_InitTypeDef LCD_InitStructure;
LCD_GPIOConfig(); /*!< Configure the LCD Glass GPIO pins */
/*!< Configure the LCD interface -------------------------------------------*/
RCC_APB1PeriphClockCmd(RCC_APB1Periph_LCD, ENABLE); /*!< Enable LCD APB1 Clock */
LCD_InitStructure.LCD_Prescaler = LCD_Prescaler_8;
LCD_InitStructure.LCD_Divider = LCD_Divider_16;
LCD_InitStructure.LCD_Duty = LCD_Duty_1_4;
LCD_InitStructure.LCD_Bias = LCD_Bias_1_3;
LCD_InitStructure.LCD_VoltageSource = LCD_VoltageSource_Internal;
LCD_Init(&LCD_InitStructure);
/*!< Configure the Pulse On Duration */
LCD_PulseOnDurationConfig(LCD_PulseOnDuration_2);
/*!< Configure the LCD Contrast (3.51V) */
LCD_ContrastConfig(LCD_Contrast_Level_7);
/*!< Wait Until the LCD FCR register is synchronized */
LCD_WaitForSynchro();
/*!< Enable LCD peripheral */
LCD_Cmd(ENABLE);
/*!< Wait Until the LCD is enabled */
while(LCD_GetFlagStatus(LCD_FLAG_ENS) == RESET)
{
}
/*!< Wait Until the LCD Booster is ready */
while(LCD_GetFlagStatus(LCD_FLAG_RDY) == RESET)
{
}
}
