/**
* @brief automatic test for VDD
* @caller auto_test
* @param None
* @retval None
*/
void test_vdd(void)
{
uint16_t vdd_test;
LCD_GLASS_DisplayString("VDD");
delay_ms(200);
vdd_test = (int)Vref_measure();
delay_ms(200);
/* Test if value is correct */
if ((vdd_test>VCC_MAX) || (vdd_test<VCC_MIN))
{
while(1)
{
LCD_GLASS_ScrollSentence("VDD Not OK ",1,SCROLL_SPEED); //Press reset for exit
KeyPressed = FALSE;
}
}
LCD_GLASS_DisplayString("VDD OK");
delay_ms(200);
}
/**
* @brief main entry point.
* @par Parameters None
* @retval void None
* @par Required preconditions: None
*/
void main(void)
{
uint8_t PayloadLength,
data_sensor,
*bufMessage;
/* deinit I/O ports */
DeInitClock();
DeInitGPIO();
/* Select HSI as system clock source */
#ifdef USE_HSI
CLK_SYSCLKSourceConfig(CLK_SYSCLKSource_HSI);
CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_16);
#else
CLK_SYSCLKSourceSwitchCmd(ENABLE);
/* Select 2MHz HSE as system clock source */
CLK_SYSCLKSourceConfig(CLK_SYSCLKSource_HSE);
CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_4);
CLK_HSICmd(DISABLE);
#endif
// Initializes the LCD glass
LCD_GLASS_Init();
/* LED button init: GPIO set in push pull */
GPIO_Init( LED_GPIO_PORT, LED_GPIO_PIN, GPIO_Mode_Out_PP_Low_Fast);
// set to 0
GPIOE->ODR &= ~LED_GPIO_PIN;
/* USER button init: GPIO set in input interrupt active mode */
GPIO_Init( BUTTON_GPIO_PORT, USER_GPIO_PIN, GPIO_Mode_In_FL_IT);
EXTI_SetPinSensitivity(EXTI_Pin_7, EXTI_Trigger_Falling);
//* Init Bar on LCD all are OFF
BAR0_OFF;
BAR1_OFF;
BAR2_OFF;
BAR3_OFF;
enableInterrupts();
//* At power on VDD diplays
bufMessage = NDEFmessage;
if (EEMenuState > STATE_TEMPMEAS)
EEMenuState = STATE_CHECKNDEFMESSAGE;
FLASH_Unlock(FLASH_MemType_Data );
state_machine = EEMenuState ;
delayLFO_ms (1);
if (EEInitial == 0)
{
User_WriteFirmwareVersion ();
EEInitial =1;
}
while (1)
{
switch (state_machine)
{
case STATE_VREF:
// measure the voltage available at the output of the M24LR04E-R
Vref_measure();
delayLFO_ms (2);
break;
case STATE_CHECKNDEFMESSAGE:
// read the NDEF message from the M24LR04E-R EEPROM and display it if it is found
if (User_ReadNDEFMessage (&PayloadLength) == SUCCESS)
User_DisplayMessage (bufMessage,PayloadLength);
// User_DisplayMessageActiveHaltMode (PayloadLength);
else
User_DisplayMessage((uint8_t*)ErrorMessage,20);
break;
case STATE_TEMPMEAS:
// read the ambiant tempserature from the STTS751
User_GetOneTemperature (&data_sensor);
// display the temperature
User_DisplayOneTemperature (data_sensor);
delayLFO_ms (2);
break;
break;
/* for safe: normaly never reaches */
default:
LCD_GLASS_Clear();
LCD_GLASS_DisplayString("Error");
state_machine = STATE_VREF;
break;
}
}
}
/**
* @brief main entry point.
* @par Parameters None
* @retval void None
* @par Required preconditions: None
*/
void main(void)
{
uint8_t PayloadLength,
data_sensor,
*bufMessage;
/* deinit I/O ports */
DeInitClock();
DeInitGPIO();
/* Select HSI as system clock source */
#ifdef USE_HSI
CLK_SYSCLKSourceConfig(CLK_SYSCLKSource_HSI);
CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_16);
#else
CLK_SYSCLKSourceSwitchCmd(ENABLE);
/* Select 2MHz HSE as system clock source */
CLK_SYSCLKSourceConfig(CLK_SYSCLKSource_HSE);
CLK_SYSCLKDivConfig(CLK_SYSCLKDiv_4);
CLK_HSICmd(DISABLE);
#endif
// Initializes the LCD glass
LCD_GLASS_Init();
/* LED button init: GPIO set in push pull */
GPIO_Init( LED_GPIO_PORT, LED_GPIO_PIN, GPIO_Mode_Out_PP_Low_Fast);
// set to 0
GPIOE->ODR &= ~LED_GPIO_PIN;
/* USER button init: GPIO set in input interrupt active mode */
GPIO_Init( BUTTON_GPIO_PORT, USER_GPIO_PIN, GPIO_Mode_In_FL_IT);
EXTI_SetPinSensitivity(EXTI_Pin_7, EXTI_Trigger_Falling);
//* Init Bar on LCD all are OFF
BAR0_OFF;
BAR1_OFF;
BAR2_OFF;
BAR3_OFF;
enableInterrupts();
//* At power on VDD diplays
bufMessage = NDEFmessage;
if (EEMenuState > STATE_TEMPMEAS)
EEMenuState = STATE_CHECKNDEFMESSAGE;
FLASH_Unlock(FLASH_MemType_Data );
state_machine = EEMenuState ;
delayLFO_ms (1);
if (EEInitial == 0)
{
User_WriteFirmwareVersion ();
EEInitial =1;
}
while (1)
{
switch (state_machine)
{
case STATE_VREFF:
// measure the voltage available at the output of the M24LR04E-R
Vref_measure();
delayLFO_ms (2);
//turn on led
GPIO_SetBits(GPIOE, GPIO_Pin_6);
break;
case STATE_VBIO:
//measure the output voltage of biosensor through Pin 7 Port E
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, ENABLE);
ADC_DeInit(ADC1);
ADC_VrefintCmd(ENABLE);
delay_10us(3);
GPIO_DeInit(GPIOE);
GPIO_Init(GPIOE,GPIO_Pin_7 ,/*GPIO_Mode_In_FL_No_IT*/GPIO_Mode_In_PU_No_IT);
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_3, ENABLE);
delay_10us(3); // Important delay
res = 0;
res_2 = 0;
i=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_3, DISABLE);
CLK_PeripheralClockConfig(CLK_Peripheral_ADC1, DISABLE);
ADC_ChannelCmd(ADC1, ADC_Channel_3, DISABLE);
res = res>>3;
P_VREFINT_Factory = VREFINT_Factory_CONV_ADDRESS;
#ifdef VREFINT_FACTORY_CONV
if ((*P_VREFINT_Factory>VREFINT_Factory_CONV_MIN ) && (*P_VREFINT_Factory<VREFINT_Factory_CONV_MAX ))
{
/* If the value exists:
Adds the hight byte to FullVREF_FACTORY */
FullVREF_FACTORY = VREFINT_Factory_CONV_MSB;
FullVREF_FACTORY += *P_VREFINT_Factory;
res_2 = (float)(FullVREF_FACTORY*VDD_FACTORY);
res_2 /= res;
} else {
res_2 = (VREF/res) * ADC_CONV; // usally res>>3
}
#else
/* We use the theorcial value */
res_2 = (VREF/res) * ADC_CONV;
#endif
/* Vdd_appli in mV */
res_2*= 1000L;
convert_into_char (res_2, tab);
/* To add unit and decimal point */
tab[5] = 'V';
tab[4] = ' ';
tab[1] |= DOT; /* To add decimal point for display in volt */
tab[0] = ' ';
LCD_GLASS_DisplayStrDeci(tab);
delayLFO_ms (2);
//LCD_GLASS_DisplayString("V BIO");
break;
case STATE_CHECKNDEFMESSAGE:
// read the NDEF message from the M24LR04E-R EEPROM and display it if it is found
if (User_ReadNDEFMessage (&PayloadLength) == SUCCESS)
User_DisplayMessage (bufMessage,PayloadLength);
// User_DisplayMessageActiveHaltMode (PayloadLength);
else
User_DisplayMessage(ErrorMessage,20);
break;
case STATE_TEMPMEAS:
// read the ambiant tempserature from the STTS751
User_GetOneTemperature (&data_sensor);
// display the temperature
User_DisplayOneTemperature (data_sensor);
delayLFO_ms (2);
break;
break;
/* for safe: normaly never reaches */
default:
LCD_GLASS_Clear();
LCD_GLASS_DisplayString("Error");
state_machine = STATE_VREFF;
break;
}
}
}