int main(void)
{
I2C_EEPROM();
while(1)
{
}
}
//Main function (execution starts here after startup file)
int main(void)
{
int i;
int e;
uint16_t temperature;
init_GPIO_pins();
//Short delay during which we can communicate with MCU via debugger even if later user code causes error such as sleep state with no wakeup event that prevents debugger interface working
//THIS MUST COME BEFORE ALL USER CODE TO ENSURE CHIPS CAN BE REPROGRAMMED EVEN IF THEY GET STUCK IN A SLEEP STATE LATER
for (i = 0; i < 1000000; i++)
{
LED_on();
}
GPIO_Init_Mode(GPIOA,GPIO_Pin_0,GPIO_Mode_IN_FLOATING); //User button.
GPIO_Init_Mode(GPIOC,GPIO_Pin_11,GPIO_Mode_IN_FLOATING); //Accelerometer interrupt.
delay_init();
LED_off();
LCDINIT();
home();
clear();
display(); //Surely some of these can be commented out.
noCursor();
noBlink();
standby();
UART_init();
humidity_init();
ADC_init();
I2C_EEPROM();
I2C_ACCEL_INIT();
I2C_EE_LoadConfig();
logging_timer_init();
// I2C_EE_BufferWrite(Test_Buffer, EEPROM_WriteAddress1, 100);
//I2C_EE_BufferRead(buffer, 0, 100);
/*while(1){
if(LEDbyte==512){LEDbyte=1;}
else {LEDbyte=LEDbyte<<1;}
setLEDS();
setCursor(0,1);
temperature=getTemperature();
writenumber( temperature/100);
write('.');
writenumber((temperature/10)%10);
write(' ');
write(0xDF);
write('C');
setCursor(0,0);
writenumber(readhumidity(24)); //Needs real temperature
write(' ');
write('%');
write('R');
write('H');
delay_ms(50);
check_and_process_received_command();
}*/
//currentstate=UPLOADING;
while(1)
{
switch (currentstate){
case WAITING:
if (GPIO_ReadInputDataBit(GPIOA,GPIO_Pin_0)) //Polling is probably ok here, since the loop will be very very fast.
{
currentstate=LOGGING;
clear();
write('S');
write('t');
write('a');
write('r');
write('t');
write('i');
write('n');
write('g');
delay_ms(2000);
clear();
I2C_EE_StartLog();
TIM4->CNT=0;
}
break;
case LOGGING:
if (GPIO_ReadInputDataBit(GPIOA,GPIO_Pin_0)){currentstate=WAITING;I2C_EE_FinishLog();break;} //Polling is probably ok here, since the loop will be very very fast.
LEDbyte|= 1<<8;
setLEDS();
if (TIM_GetFlagStatus(TIM3, TIM_FLAG_Update) != RESET)
{
TIM_ClearFlag(TIM3, TIM_IT_Update);
temperature = getTemperature();
LogBuffer[0]=(temperature>>8)&0xFF;
LogBuffer[1]=temperature&0xFF;
LogBuffer[2]=readhumidity(LogBuffer[0]);
I2C_ACCEL_READ();
I2C_EE_Log(LogBuffer);
setCursor(0,1);
writenumber(temperature/100);
write('.');
writenumber(temperature%100);
write(' ');
write(0xDF);
write('C');
write(' ');
setCursor(0,0);
writenumber(25); //Needs real temperature
write(' ');
write('%');
write('R');
write('H');
write(' ');
LEDbyte&= ~(1<<8);
setLEDS();
}
break;
case UPLOADING:
currentstate=WAITING;
I2C_EE_Upload();
break;
case ERASING:
currentstate=WAITING;
I2C_EE_Erase();
break;
case STREAMING:
if (TIM_GetFlagStatus(TIM3, TIM_FLAG_Update) != RESET)
{
TIM_ClearFlag(TIM3, TIM_IT_Update);
temperature = getTemperature();
LogBuffer[0]=(temperature>>8)&0xFF;
LogBuffer[1]=temperature&0xFF;
LogBuffer[2]=readhumidity(LogBuffer[0]);
I2C_ACCEL_READ();
// I2C_EE_Log(LogBuffer);
for (e=0;i<ENTRYBYTES;i++)
{
UART_send_byte(LogBuffer[e]);
}
setCursor(0,1);
writenumber(temperature/100);
write('.');
writenumber(temperature%100);
write(' ');
write(0xDF);
write('C');
write(' ');
setCursor(0,0);
writenumber(25); //Needs real temperature
write(' ');
write('%');
write('R');
write('H');
write(' ');
LEDbyte&= ~(1<<8);
setLEDS();
}
break;
}
