/**
* @brief Pause Chronometer
* @param None.
* @retval None.
*/
void Time_Pause(void)
{
Time_Show(LCD_LINE2);
LCD_SetCursorPos(LCD_LINE1, 0);
if (PauseStatus == RESET)
{
STM_EVAL_LEDOn(LED2);
LCD_Print(RESETDISPLAY);
LastDisplay = 'P';
CLK_RTCClockConfig(CLK_RTCCLKSource_Off, CLK_RTCCLKDiv_1);
STM_EVAL_LEDOff(LED1);
}
else
{
STM_EVAL_LEDOn(LED1);
LCD_Print(DEFAULTDISPLAY);
LastDisplay = 'D';
CLK_RTCClockConfig(CLK_RTCCLKSource_LSE, CLK_RTCCLKDiv_1);
STM_EVAL_LEDOff(LED2);
}
/* Invert Pause Status */
PauseStatus = (BitStatus)(~PauseStatus);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
/* Enable LSE */
CLK_LSEConfig(CLK_LSE_ON);
/* Wait for LSE clock to be ready */
while (CLK_GetFlagStatus(CLK_FLAG_LSERDY) == RESET);
/* wait for 1 second for the LSE Stabilisation */
LSE_StabTime();
/* Select LSE (32.768 KHz) as RTC clock source */
CLK_RTCClockConfig(CLK_RTCCLKSource_LSE, CLK_RTCCLKDiv_1);
CLK_PeripheralClockConfig(CLK_Peripheral_RTC, ENABLE);
/* Calendar Configuration */
Calendar_Init();
/*RTC Tamper Configuration*/
Tamper_Init();
/* EvalBoard Configuration */
EvalBoard_Init();
Tamper_DelayShow(TampFilterIndex);
while (1)
{
EnterSafeCode();
Time_Show(LCD_LINE2, SHOW_POINT2);
ExitSafeCode();
}
}
/**
* @brief This function initializes in Ultra Low Power mode,
* disable the LCD, LSE and configures the unused IOs
* in output push-pull
* @caller main and ADC_Icc_Test
* @param None
* @retval None
*/
void Halt_Init(void)
{
/* Set STM8 in low power */
PWR->CSR2 = 0x2;
LCD_Cmd(DISABLE);
/* To wait LCD disable */
while ((LCD->CR3 & 0x40) != 0x00);
/* Set GPIO in low power*/
GPIO_LowPower_Config();
/* Stop RTC Source clock */
CLK_RTCClockConfig(CLK_RTCCLKSource_Off, CLK_RTCCLKDiv_1);
#ifdef USE_LSE
CLK_LSEConfig(CLK_LSE_OFF);
while ((CLK->ECKCR & 0x04) != 0x00);
#else
CLK_LSICmd(DISABLE);
while ((CLK->ICKCR & 0x04) != 0x00);
#endif
/* Stop clock RTC and LCD */
CLK_PeripheralClockConfig(CLK_Peripheral_RTC, DISABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_LCD, DISABLE);
}
/**
* @brief Reset Chrono to zero.
* @param None.
* @retval None.
*/
void Time_Reset(void)
{
PauseStatus = RESET;
RTC_TimeStr.RTC_H12 = RTC_H12_AM;
RTC_TimeStr.RTC_Hours = 00;
RTC_TimeStr.RTC_Minutes = 00;
RTC_TimeStr.RTC_Seconds = 00;
RTC_SetTime(RTC_Format_BIN, &RTC_TimeStr);
CLK_RTCClockConfig(CLK_RTCCLKSource_Off, CLK_RTCCLKDiv_1);
}
void clock_config(void)
{
CLK_HSICmd(ENABLE);
CLK_RTCClockConfig(CLK_RTCCLKSource_HSI,CLK_RTCCLKDiv_64);
CLK_SYSCLKSourceConfig(CLK_SYSCLKSource_HSI);
CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_1);
while(CLK_GetFlagStatus(CLK_FLAG_HSIRDY)==RESET);
CLK_PeripheralClockConfig(CLK_Peripheral_LCD, ENABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_RTC, ENABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, ENABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_TIM2, ENABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_TIM3, ENABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);
};
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 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 Main program.
* @param None
* @retval None
*/
void main(void)
{
/* Enable LSE */
CLK_LSEConfig(CLK_LSE_ON);
/* Wait for LSE clock to be ready */
while (CLK_GetFlagStatus(CLK_FLAG_LSERDY) == RESET);
/* wait for 1 second for the LSE Stabilisation */
Delay_Seconds(1);
/* Select LSE (32.768 KHz) as RTC clock source */
CLK_RTCClockConfig(CLK_RTCCLKSource_LSE, CLK_RTCCLKDiv_1);
CLK_PeripheralClockConfig(CLK_Peripheral_RTC, ENABLE);
/*RTC Tamper Configuration*/
Tamper_Init();
/* Calendar Configuration */
Calendar_Init();
/* EvalBoard Configuration */
EvalBoard_Init();
/* RTC Time fields reset*/
Time_Reset();
/* RTC Time pause waiting for a press on SEL Key */
Time_Pause();
while (1)
{
EnterSafeCode();
Time_Show(LCD_LINE2);
ExitSafeCode();
}
}
