/**
* @brief Initializes peripherals used by the I2C EEPROM driver.
* @param None
* @retval None
*/
void sEE_LowLevel_Init(void)
{
/*!< sEE_I2C Periph clock enable */
CLK_PeripheralClockConfig(sEE_I2C_CLK, ENABLE);
/*!< Enable the DMA clock */
CLK_PeripheralClockConfig(CLK_Peripheral_DMA1, ENABLE);
/* I2C TX DMA Channel configuration */
DMA_DeInit(sEE_I2C_DMA_CHANNEL_TX);
DMA_Init(sEE_I2C_DMA_CHANNEL_TX,
0, /* This parameter will be configured durig communication */
sEE_I2C_DR_Address,
0xFF, /* This parameter will be configured durig communication */
DMA_DIR_PeripheralToMemory,/* This parameter will be configured durig communication */
DMA_Mode_Normal,
DMA_MemoryIncMode_Inc,
DMA_Priority_VeryHigh,
DMA_MemoryDataSize_Byte);
/* I2C RX DMA Channel configuration */
DMA_DeInit(sEE_I2C_DMA_CHANNEL_RX);
DMA_Init(sEE_I2C_DMA_CHANNEL_RX, 0, /* This parameter will be configured durig communication */
sEE_I2C_DR_Address,
0xFF, /* This parameter will be configured durig communication */
DMA_DIR_PeripheralToMemory,/* This parameter will be configured durig communication */
DMA_Mode_Normal,
DMA_MemoryIncMode_Inc,
DMA_Priority_VeryHigh,
DMA_MemoryDataSize_Byte);
}
/**
* @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);
}
/*主程序*/
void main()
{
CLK_Config();
CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER2, ENABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER3, ENABLE);
/* Check if the system has resumed from IWDG reset */
if (RST_GetFlagStatus(RST_FLAG_IWDGF) != RESET)
{
/* Clear IWDGF Flag */
RST_ClearFlag(RST_FLAG_IWDGF);
}
/*通信串口初始化*/
DBG_Config();
IR_Init();
printf("starting...\n");
/*打开全局中断*/
enableInterrupts();
while (1)
{
IR_Process();
}
}
char sampleADC(void)
{
char res = 0x0;
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);
ADC_DeInit(ADC1);
ADC_VrefintCmd(ENABLE);
delay_10us(3);
ADC_Cmd(ADC1, ENABLE);
ADC_Init(ADC1, ADC_ConversionMode_Single,
ADC_Resolution_6Bit, ADC_Prescaler_1);
ADC_SamplingTimeConfig(ADC1, ADC_Group_SlowChannels, ADC_SamplingTime_9Cycles);
ADC_ChannelCmd(ADC1, ADC_Channel_0, ENABLE);
delay_10us(3);
ADC_SoftwareStartConv(ADC1);
while( ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == 0);
res = (char)ADC_GetConversionValue(ADC1);
ADC_VrefintCmd(DISABLE);
ADC_DeInit(ADC1);
/* disable SchmittTrigger for ADC_Channel_24, to save power */
//ADC_SchmittTriggerConfig(ADC1, ADC_Channel_24, DISABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, DISABLE);
ADC_ChannelCmd(ADC1, ADC_Channel_0, DISABLE);
return res;
}
void ADC_Config(void)
{
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_DMA1, ENABLE);
ADC_Init(ADC1, ADC_ConversionMode_Continuous, ADC_Resolution_12Bit, ADC_Prescaler_2);
ADC_SamplingTimeConfig(ADC1, ADC_Group_SlowChannels, ADC_SamplingTime_384Cycles);
ADC_Cmd(ADC1, ENABLE);
ADC_ChannelCmd(ADC1, ADC_Channel_24, ENABLE); //设置ADC通道
SYSCFG_REMAPDMAChannelConfig(REMAP_DMA1Channel_ADC1ToChannel0);
DMA_Init(DMA1_Channel0,
BUFFER_ADDRESS,
ADC1_DR_ADDRESS,
BUFFER_SIZE,
DMA_DIR_PeripheralToMemory,
DMA_Mode_Circular,
DMA_MemoryIncMode_Inc,
DMA_Priority_High,
DMA_MemoryDataSize_HalfWord);
DMA_Cmd(DMA1_Channel0, ENABLE);
DMA_ITConfig(DMA1_Channel0, DMA_ITx_TC, ENABLE);
DMA_GlobalCmd(ENABLE);
}
/**
* @brief delay for some time in ms unit
* @param n_ms is how many ms of time to delay
* @retval None
*/
void delay_ms(u16 n_ms)
{
/* Init TIMER 4 */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, ENABLE);
/* Init TIMER 4 prescaler: TIM4_Prescaler_1: 38KHz / 1 = 38KHz */
TIM4->PSCR = 0;
/* LSI 38KHz --> Auto-Reload value: 38KHz / 1 = 38KHz, 38KHz / 1k = 38 */
TIM4->ARR = 38;
/* Counter value: 4, to compensate the initialization of TIMER*/
TIM4->CNTR = 4; //value may have to be changed
/* clear update flag */
TIM4->SR1 &= (u8)(~TIM4_FLAG_Update);
/* Enable Counter */
TIM4->CR1 |= TIM4_CR1_CEN;
while(n_ms--)
{
while((TIM4->SR1 & TIM4_FLAG_Update) == 0);
TIM4->SR1 &= (u8)(~TIM4_FLAG_Update);
}
/* Disable Counter */
TIM4->CR1 &= (u8)(~TIM4_CR1_CEN);
CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, DISABLE);
}
/**
* @brief delay for some time in ms unit
* @caller auto_test
* @param n_ms is how many ms of time to delay
* @retval None
*/
static void delay_ms(u16 n_ms)
{
/* Init TIMER 4 */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM2, ENABLE);
/* Init TIMER 4 prescaler: / (2^6) = /64 */
TIM2->PSCR = 6;
/* HSI div by 1 --> Auto-Reload value: 16M / 64 = 1/4M, 1/4M / 1k = 250*/
TIM2->ARRH = 0;
TIM2->ARRL = 250;
/* Counter value: 2, to compensate the initialization of TIMER*/
TIM2->CNTRH = 0;
TIM2->CNTRL = 2;
/* clear update flag */
TIM2->SR1 &= ~TIM_SR1_UIF;
/* Enable Counter */
TIM2->CR1 |= TIM_CR1_CEN;
while(n_ms--)
{
while((TIM2->SR1 & TIM_SR1_UIF) == 0) ;
TIM2->SR1 &= ~TIM_SR1_UIF;
}
/* Disable Counter */
TIM2->CR1 &= ~TIM_CR1_CEN;
CLK_PeripheralClockConfig(CLK_Peripheral_TIM2, DISABLE);
}
/**
* @brief delay for some time in 10us unit(partial accurate)
* @caller auto_test
* @param n_10us is how many 10us of time to delay
* @retval None
*/
static void delay_10us(u16 n_10us)
{
/* Init TIMER 4 */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM2, ENABLE);
/* prescaler: / (2^0) = /1 */
TIM2->PSCR = 0;
/* SYS_CLK_HSI_DIV1 Auto-Reload value: 16M / 1 = 16M, 16M / 100k = 160 */
TIM2->ARRH = 0;
TIM2->ARRL = 160;
/* Counter value: 10, to compensate the initialization of TIMER */
TIM2->CNTRH = 0;
TIM2->CNTRL = 10;
/* clear update flag */
TIM2->SR1 &= ~TIM_SR1_UIF;
/* Enable Counter */
TIM2->CR1 |= TIM_CR1_CEN;
while(n_10us--)
{
while((TIM2->SR1 & TIM_SR1_UIF) == 0) ;
TIM2->SR1 &= ~TIM_SR1_UIF;
}
/* Disable Counter */
TIM2->CR1 &= ~TIM_CR1_CEN;
CLK_PeripheralClockConfig(CLK_Peripheral_TIM2, DISABLE);
}
/**
* @brief Delay x sec
* @param Seconds : number of seconds to delay
* @retval None.
* Note : TIM4 is configured for a system clock = 2MHz
*/
void Delay_Seconds(uint8_t Seconds)
{
uint8_t i = 0;
/* Enable TIM4 Clock */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, ENABLE);
/* Configure TIM4 to generate an update event each 1 s */
TIM4_TimeBaseInit(TIM4_Prescaler_16384, 123);
/* Enable TIM4 */
TIM4_Cmd(ENABLE);
/* Clear the Flag */
TIM4_ClearFlag(TIM4_FLAG_Update);
for (i = 0; i < Seconds; i++)
{
/* Wait 1 sec */
while ( TIM4_GetFlagStatus(TIM4_FLAG_Update) == RESET )
{}
/* Clear the Flag */
TIM4_ClearFlag(TIM4_FLAG_Update);
}
/* Disable TIM4 */
TIM4_Cmd(DISABLE);
/* Disable TIM4 Clock */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, DISABLE);
}
/**
* @brief Configure peripherals clock
* @param None
* @retval None
*/
static void CLK_Config(void)
{
/* Enable ADC1 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);
/* Enable COMP clock */
CLK_PeripheralClockConfig(CLK_Peripheral_COMP, ENABLE);
}
/**
* @brief Configure peripherals clock
* @param None
* @retval None
*/
static void CLK_Config(void)
{
/* Enable COMP clock */
CLK_PeripheralClockConfig(CLK_Peripheral_COMP, ENABLE);
/* Enable TIM1 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM1, ENABLE);
/* Enable DAC clock */
CLK_PeripheralClockConfig(CLK_Peripheral_DAC, ENABLE);
}
/**
* @brief Configure peripherals Clock
* @param None
* @retval None
*/
static void CLK_Config(void)
{
/* Enable TIM1 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM1, ENABLE);
/* Enable TIM2 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM2, ENABLE);
/* Enable TIM3 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM3, ENABLE);
}
/**
* @brief Read ADC1
* @caller several functions
* @param None
* @retval ADC value
*/
u16 ADC_Supply(void)
{
uint8_t i;
uint16_t res;
/* Enable ADC clock */
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);
/* de-initialize ADC */
ADC_DeInit(ADC1);
/*ADC configuration
ADC configured as follow:
- Channel VREF
- Mode = Single ConversionMode(ContinuousConvMode disabled)
- Resolution = 12Bit
- Prescaler = /1
- sampling time 9 */
ADC_VrefintCmd(ENABLE);
delay_10us(3);
ADC_Cmd(ADC1, ENABLE);
ADC_Init(ADC1, ADC_ConversionMode_Single,
ADC_Resolution_12Bit, ADC_Prescaler_1);
ADC_SamplingTimeConfig(ADC1, ADC_Group_FastChannels, ADC_SamplingTime_9Cycles);
ADC_ChannelCmd(ADC1, ADC_Channel_Vrefint, ENABLE);
delay_10us(3);
/* initialize result */
res = 0;
for(i=8; i>0; i--)
{
/* start ADC convertion by software */
ADC_SoftwareStartConv(ADC1);
/* wait until end-of-covertion */
while( ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == 0 );
/* read ADC convertion result */
res += ADC_GetConversionValue(ADC1);
}
/* de-initialize ADC */
ADC_VrefintCmd(DISABLE);
ADC_DeInit(ADC1);
/* disable SchmittTrigger for ADC_Channel_24, to save power */
ADC_SchmittTriggerConfig(ADC1, ADC_Channel_24, DISABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, DISABLE);
ADC_ChannelCmd(ADC1, ADC_Channel_Vrefint, DISABLE);
return (res>>3);
}
void Battery_Int_Measure(float * p_bat_voltage)
{
float voltage_shift = 0;
float voltage_VCC = 0;
#ifdef BATTERY_DEBUG
printf("[Battery] Start measuring battery ...\r\n");
#endif
result = 0;
GPIO_Init(GPIO_PORT_ADC_OUT, GPIO_PIN_ADC_OUT, GPIO_Mode_Out_PP_High_Fast);
GPIO_Init(GPIO_PORT_VTEST_5V, GPIO_PIN_VTEST_5V, GPIO_Mode_In_FL_No_IT);
/* Enable ADC1 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);
ADC_Config();
/* Infinite loop*/
for(uint8_t i = 0;i < BUFFER_SIZE;i ++)
{
/* Start ADC1 Conversion using Software trigger*/
ADC_SoftwareStartConv(ADC1);
/* Wait until ADC Channel 15 end of conversion */
while (ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET)
{}
/* read ADC convertion result */
adc_value[i] = ADC_GetConversionValue(ADC1);
result += adc_value[i];
}
voltage_shift = (result * 3.6) / (BUFFER_SIZE * 4096);
voltage_VCC = (voltage_shift * (BAT_INT_SHIFT_PULLDOWN_RES + BAT_INT_SHIFT_PULLUP_RES)) / BAT_INT_SHIFT_PULLDOWN_RES;
/* Disable ADC1 */
ADC_Cmd(ADC1, DISABLE);
/* Disable ADC1 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, DISABLE);
GPIO_Init(GPIO_PORT_ADC_OUT, GPIO_PIN_ADC_OUT, GPIO_Mode_Out_PP_Low_Fast);
GPIO_Init(GPIO_PORT_VTEST_5V, GPIO_PIN_VTEST_5V, GPIO_Mode_Out_PP_Low_Fast);
*p_bat_voltage = voltage_VCC;
#ifdef BATTERY_DEBUG
for (uint8_t i = 0; i < BUFFER_SIZE; i++)
{
printf("[Battery] voltage is 0x%04x\r\n",adc_value[i]);
}
#endif
}
/**
* @brief Configure peripherals clock
* @param None
* @retval None
*/
static void CLK_Config(void)
{
/* Enable ADC1 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);
/* Enable TIM1 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM1, ENABLE);
/* Enable DMA1 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_DMA1, ENABLE);
}
/*
名称: void I2C_RTC_Init(void)
功能: 硬件IIC初始化
形参: 无
返回值：无
*/
void IIC_RTC_Init(void)
{
I2C_Cmd(DISABLE);
I2C_DeInit();
CLK_PeripheralClockConfig(CLK_PERIPHERAL_I2C, DISABLE);
GPIO_Init(GPIOE, GPIO_PIN_1, GPIO_MODE_IN_PU_NO_IT);
GPIO_Init(GPIOE, GPIO_PIN_2, GPIO_MODE_IN_PU_NO_IT);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_I2C, ENABLE);
I2C_Cmd( ENABLE);
I2C_Init(400000, 0xA0, I2C_DUTYCYCLE_2, I2C_ACK_CURR,
I2C_ADDMODE_7BIT, 16);
}
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);
}
/**
* @brief this function checks if a NDEF message is available in the M24LR04E-R EEPROM
* @par PayloadLength : the number of byte of the NDEF message
* @retval SUCCESS : A NDEF message has been found
* @retval ERROR : a NDEF message doens't have been found
*/
static int8_t User_WriteFirmwareVersion ( void )
{
uint8_t *OneByte = 0x00;
uint16_t WriteAddr = 0x01FC;
M24LR04E_Init();
M24LR04E_WriteOneByte (M24LR16_EEPROM_ADDRESS_USER, WriteAddr++, FirmwareVersion [0]);
I2C_Cmd(M24LR04E_I2C, DISABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_I2C1, DISABLE);
GPIO_HIGH(M24LR04E_I2C_SCL_GPIO_PORT,M24LR04E_I2C_SCL_PIN);
GPIO_HIGH(M24LR04E_I2C_SCL_GPIO_PORT,M24LR04E_I2C_SDA_PIN);
M24LR04E_DeInit();
I2C_Cmd(M24LR04E_I2C, DISABLE);
return SUCCESS;
}
static void TIM2_Config(void)
{
/* Enable TIM2 CLK */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM2, ENABLE);
/* Capture only every 8 events!!! */
/* Enable capture of TIM2 */
TIM2_ICInit(TIM2_Channel_1, TIM2_ICPolarity_Falling, TIM2_ICSelection_DirectTI, TIM2_ICPSC_Div8, 0);
/* Enable timer1 */
TIM2_Cmd(ENABLE);
/* Config Channel 1 pin*/
GPIO_Init(GPIOB, GPIO_Pin_0, GPIO_Mode_In_PU_No_IT);
/* Clear CC1 Flag*/
TIM2_ClearFlag(TIM2_FLAG_CC1);
/* wait a Capture on CC1 */
while((TIM2->SR1 & TIM2_FLAG_CC1) != TIM2_FLAG_CC1);
/* Get CCR1 value*/
ICValue1 = TIM2_GetCapture1();
/* Clear CC1 Flag*/
TIM2_ClearFlag(TIM2_FLAG_CC1);
/* wait a capture on cc1 */
while((TIM2->SR1 & TIM2_FLAG_CC1) != TIM2_FLAG_CC1);
/* Get CCR1 value*/
ICValue2 = TIM2_GetCapture1();
TIM2_ClearFlag(TIM2_FLAG_CC1);
}
/**
* @brief ADC_Icc(ADC_24 of ADC_0~27) initialization
* @caller main and ADC_Icc_Test
* @param None
* @retval None
*/
void ADC_Icc_Init(void)
{
/* Enable ADC clock */
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);
/* de-initialize ADC */
ADC_DeInit(ADC1);
/* ADC configured as follow:
- NbrOfChannel = 1 - ADC_Channel_24
- Mode = Single ConversionMode(ContinuousConvMode disabled)
- Resolution = 12Bit
- Prescaler = /1
- sampling time 159 */
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
ADC_Init(ADC1, ADC_ConversionMode_Single,ADC_Resolution_12Bit, ADC_Prescaler_1);
ADC_SamplingTimeConfig(ADC1, ADC_Group_FastChannels, ADC_SamplingTime_9Cycles);
ADC_ChannelCmd(ADC1, ADC_Channel_24, ENABLE);
/* disable SchmittTrigger for ADC_Channel_24, to save power */
ADC_SchmittTriggerConfig(ADC1, ADC_Channel_24, DISABLE);
/* a short time of delay is required after enable ADC */
delay_10us(3);
}
/**
* @brief Main program.
* @param None
* @retval None
*/
void main(void)
{
/* I2C clock Enable*/
CLK_PeripheralClockConfig(CLK_Peripheral_I2C, ENABLE);
/* system_clock / 1 */
CLK_MasterPrescalerConfig(CLK_MasterPrescaler_HSIDiv1);
/* Initialize LEDs mounted on the EVAL board */
STM_EVAL_LEDInit(LED2);
STM_EVAL_LEDInit(LED3);
I2C_DeInit();
/* Initialize I2C peripheral */
#ifdef I2C_slave_7Bits_Address
I2C_Init(100000, SLAVE_ADDRESS, I2C_DutyCycle_2, I2C_Ack_Enable,
I2C_AcknowledgedAddress_7bit);
#else
I2C_Init(100000, SLAVE_ADDRESS, I2C_DutyCycle_2, I2C_Ack_Enable,
I2C_AcknowledgedAddress_10bit);
#endif
/* Enable Error Interrupt*/
I2C_ITConfig((I2C_IT_TypeDef)(I2C_IT_ERR | I2C_IT_EVT | I2C_IT_BUF), ENABLE);
/* Enable general interrupts */
enableInterrupts();
/*Main Loop */
while (1)
{
/* infinite loop */
}
}
static void HalConsoleDMAConfigration(void)
{
CLK_PeripheralClockConfig(CLK_Peripheral_DMA1, ENABLE);
/* Deinitialize DMA channels */
DMA_GlobalDeInit();
DMA_DeInit(USART_DMA_CHANNEL_TX);
DMA_DeInit(USART_DMA_CHANNEL_RX);
/* DMA channel Rx of USART Configuration */
DMA_Init(USART_DMA_CHANNEL_RX, (uint16_t)HalConsoleRxBuffer, (uint16_t)USART_DR_ADDRESS,
sizeof(HalConsoleRxBuffer), DMA_DIR_PeripheralToMemory, DMA_Mode_Normal,
DMA_MemoryIncMode_Inc, DMA_Priority_Low, DMA_MemoryDataSize_Byte);
/* Enable the USART Tx/Rx DMA requests */
USART_DMACmd(USART2, USART_DMAReq_TX, ENABLE);
USART_DMACmd(USART2, USART_DMAReq_RX, ENABLE);
/* Global DMA Enable */
DMA_GlobalCmd(ENABLE);
/* Enable the USART Rx DMA channel */
DMA_Cmd(USART_DMA_CHANNEL_RX, ENABLE);
USART_Cmd(USART2, ENABLE);
}
/**
* @brief Initializes the SD_SPI and CS pins.
* @param None
* @retval None
*/
void SD_LowLevel_Init(void)
{
/* Enable SPI clock */
CLK_PeripheralClockConfig(SD_SPI_CLK, ENABLE);
/* Set the MOSI,MISO and SCK at high level */
GPIO_ExternalPullUpConfig(SD_SPI_SCK_GPIO_PORT, SD_SPI_MISO_PIN | SD_SPI_MOSI_PIN | \
SD_SPI_SCK_PIN, ENABLE);
/* SPI2 pin remap on Port I*/
SYSCFG_REMAPPinConfig(REMAP_Pin_SPI2Full, ENABLE);
/* SD_SPI Config */
SPI_Init(SD_SPI, SPI_FirstBit_MSB, SPI_BaudRatePrescaler_4, SPI_Mode_Master,
SPI_CPOL_High, SPI_CPHA_2Edge, SPI_Direction_2Lines_FullDuplex,
SPI_NSS_Soft, 0x07);
/* SD_SPI enable */
SPI_Cmd(SD_SPI, ENABLE);
/* Configure the SD_Detect pin */
GPIO_Init(SD_DETECT_GPIO_PORT, SD_DETECT_PIN, GPIO_Mode_In_PU_No_IT);
/* Set MSD ChipSelect pin in Output push-pull high level */
GPIO_Init(SD_CS_GPIO_PORT, SD_CS_PIN, GPIO_Mode_Out_PP_High_Slow);
}
/**
* @brief init usart1
* @param None
* @retval None
*/
void Init_usart1(uint32_t BaudRate)
{
CLK_PeripheralClockConfig(CLK_Peripheral_USART1, ENABLE);
USART_Init(USART1, BaudRate, USART_WordLength_8b, USART_StopBits_1, USART_Parity_No, USART_Mode_Tx|USART_Mode_Rx);
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
USART_Cmd(USART1, ENABLE);
}
/**
* @brief Configure ADC and Analog watchdog
* @param None
* @retval None
*/
static void ADC_Config(void)
{
/* Enable ADC1 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);
/* Initialise and configure ADC1 */
ADC_Init(ADC1, ADC_ConversionMode_Continuous, ADC_Resolution_12Bit, ADC_Prescaler_2);
ADC_SamplingTimeConfig(ADC1, ADC_Group_SlowChannels, ADC_SamplingTime_384Cycles);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* Enable ADC1 Channel 3 */
ADC_ChannelCmd(ADC1, ADC_Channel_3, ENABLE);
/* Calculate Threshold data value*/
HighThresholdData = (uint16_t)(((uint32_t)HIGH_THRESHOLD_VOLTAGE * 1000) / (uint32_t)ADC_RATIO) ;
LowThresholdData = (uint16_t)(((uint32_t)LOW_THRESHOLD_VOLTAGE * 1000) / (uint32_t)ADC_RATIO) ;
/* Configure Analog Watchdog selected channel and Thresholds */
ADC_AnalogWatchdogConfig(ADC1, ADC_AnalogWatchdogSelection_Channel3,
HighThresholdData,
LowThresholdData);
/* Enable Analog watchdog ADC1 Interrupt */
ADC_ITConfig(ADC1, ADC_IT_AWD, ENABLE);
/* Enable Interrupts */
enableInterrupts();
/* Start ADC1 Conversion using Software trigger*/
ADC_SoftwareStartConv(ADC1);
}
/*
*******************************************************************************
* FUNCTIONS
*******************************************************************************
*/
void HalLightInit(void)
{
/* Enable TIM1 clock */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM1, ENABLE);
/* GPIOD configuration */
GPIO_Init(GPIOD, GPIO_Pin_2, GPIO_Mode_Out_PP_Low_Fast);
GPIO_Init(GPIOD, GPIO_Pin_3, GPIO_Mode_Out_PP_Low_Fast);
GPIO_SetBits(GPIOD, GPIO_Pin_3); /* Close relay output */
/*
- TIM1CLK = 16 MHz
- TIM1 counter clock = TIM1CLK / 320 = 16MHz/320 = 50000Hz
*/
/* Time base configuration */
TIM1_TimeBaseInit(320, TIM1_CounterMode_Up, 100, 0);
TIM1_OC1Init(TIM1_OCMode_PWM1, TIM1_OutputState_Enable, TIM1_OutputNState_Disable,
10, TIM1_OCPolarity_Low, TIM1_OCNPolarity_High, TIM1_OCIdleState_Set,
TIM1_OCNIdleState_Set);
TIM1_OC1PreloadConfig(DISABLE);
TIM1_ARRPreloadConfig(ENABLE);
/* Enable TIM1 outputs */
// TIM1_CtrlPWMOutputs(ENABLE);
//HalLightOpen();
// HalLightClose();
// HalLightSetBrightness(10);
HalLigthPWM = (80);
HalLightOpen();
}
/**
* @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 Configure peripheral clock
* @param None
* @retval None
*/
static void CLK_Config(void)
{
/* Select HSE as system clock source */
CLK_SYSCLKSourceSwitchCmd(ENABLE);
CLK_SYSCLKSourceConfig(CLK_SYSCLKSource_HSE);
/*High speed external clock prescaler: 1*/
CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_2);
while (CLK_GetSYSCLKSource() != CLK_SYSCLKSource_HSE)
{}
/* Enable SPI clock */
CLK_PeripheralClockConfig(CLK_Peripheral_SPI1, ENABLE);
/* Enable DMA clock */
CLK_PeripheralClockConfig(CLK_Peripheral_DMA1, ENABLE);
}
//------------------------------------------------------------------------------
// Function Name : delay_10us
// Description : delay for some time in 10us unit(partial accurate)
// Input : n_10us is how many 10us of time to delay
//------------------------------------------------------------------------------
void delay_1us(u16 n_1us)
{
CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, ENABLE);
// Init TIMER 4 //
// prescaler: / (2^0) = /1
TIM4->PSCR = 0;
#ifdef SYS_CLK_HSE_DIV1
// Auto-Reload value: 16M / 1 = 16M, 16M / 100k = 160
TIM4->ARR = 160;
#else
#ifdef SYS_CLK_HSE_DIV2
// Auto-Reload value: 16M/2 / 1 = 8M, 8M / 100k = 80
TIM4->ARR = 80;
#else
#ifdef SYS_CLK_HSI_DIV1
// Auto-Reload value: 16M / 1 = 16M, 16M / 100k = 160
TIM4->ARR = 16;
#else
#ifdef SYS_CLK_HSI_DIV2
// Auto-Reload value: 16M/2 / 1 = 8M, 8M / 100k = 80
TIM4->ARR = 80;
#else
#error "either SYS_CLK_HSE_DIV1/DIV2 or SYS_CLK_HSI_DIV1/DIV2 should be defined"
#endif
#endif
#endif
#endif
// Counter value: 10, to compensate the initialization of TIMER
TIM4->CNTR = 10;
// clear update flag
TIM4->SR1 &= ~TIM4_SR1_UIF;
// Enable Counter
TIM4->CR1 |= TIM4_CR1_CEN;
while (n_1us--)
{
while ((TIM4->SR1 & TIM4_SR1_UIF) == 0) ;
TIM4->SR1 &= ~TIM4_SR1_UIF;
}
// Disable Counter
TIM4->CR1 &= ~TIM4_CR1_CEN;
CLK_PeripheralClockConfig(CLK_Peripheral_TIM4, DISABLE);
}
void InitTimer(void)
{
clk_config();
TIM2_DeInit();
CLK_PeripheralClockConfig(CLK_Peripheral_TIM2, ENABLE);
TIM2_TimeBaseInit(TIM2_Prescaler_1, TIM2_CounterMode_Up, 500);
TIM2_Cmd(ENABLE);
}
