void Init_Buzzer_Pin(void)
{
PINSEL1&=0xFFF3FFFF;
PINSEL1|=0x00000000; //Set P0.25 as GPIO
IO0DIR = (1<<25); //Set P0.25 as Output
BUZZER_OFF(); //Initially turn OFF buzzer
}
void led_state_machine()
{
uint16_t xval =0;
uint16_t yval =0;
TOUCH_VAL(&xval, &yval);
if(oven_status==Oven_Idle)
{
if(!((xval + yval)==0)) // Timeout for touch
{
reset_idle_timer();
}
else
{
if(count_down_time_idle(&idle_timer))
{
LCD_BLIGHT_OUTPUT &= ~LCD_BLIGHT;
LED_ANI_ON();
CHARGE_OFF();
}
}
}
if(oven_status==Oven_Alarm)
{
if(check_for_lead_profile())
{
if((get_reflow_time_minutes()*60 + get_reflow_time_seconds())>90)
{
BUZZER_ON();
}
else
BUZZER_OFF();
}
else
{
if((get_reflow_time_minutes()*60 + get_reflow_time_seconds())>80)
{
BUZZER_ON();
}
else
BUZZER_OFF();
}
}
}
void self_check (void)
{
relay=0; //TEST_OFF();
Backlight_ON();
FAN_ON();
BUZZER_ON();
shift_reg(0xFFF);
while(second<19900)
{
adc_read();
}
shift_reg(0x000);
FAN_OFF();
Backlight_OFF();
BUZZER_OFF();
second=0;
do
{
adc_read(); //optional
batt_volt_measure();
IWDG_ReloadCounter(); /* Reload IWDG counter */
if(one_sec)
{
one_sec=0;
BUZZER_TOGGLE();
}
}while((batt_vltg_final>180)|(batt_vltg_final<80));
BUZZER_OFF();
low_batt_flag=0;
if(fb_vltg_final>100)
wiring_fault=1;
else if((temperature>1680)|(temperature<200))
thermal_fault=1;
protection_flag=0;
}
int main(void)
{
PINSEL0 = 0x00000000; // Reset all pins as GPIO
PINSEL1 = 0x00000000;
PINSEL2 = 0x00000000;
Init_Peripherals(); // Init Port pins and Peripherals
while(1)
{
BUZZER_ON(); //Turn ON buzzer
Buzzer_Delay(); //Wait
BUZZER_OFF(); //Turn OFF Buzzer
Buzzer_Delay(); //Wait
}
}
void Buzzer_Beep(u8 nBeepTimes, u16 nMiliSecond)
{
while( nBeepTimes > 0)
{
BUZZER_ON();
DelayMs(nMiliSecond);
BUZZER_OFF();
nBeepTimes--;
if ( nBeepTimes )
{
DelayMs(nMiliSecond);
}
}
}
// Buzz for 125ms
void buzz4kHz()
{
uint8_t i;
LED_ON();
BUZZER_ON();
for (i=255;i>0;i--)
{
BUZZER_TOGGLE();
_delay_us(150);
}
LED_OFF();
BUZZER_OFF();
}
//ISR for Timer 0 interrupt
void __irq IRQ_Timer0(void)
{
Temp=T0IR;
if(Temp & 0x01==0x01) //Mat 0 Interrupt
{
Toggle=~Toggle;
if(Toggle)
{
BUZZER_ON();
}
else
{
BUZZER_OFF();
}
T0TC=0;
T0IR=0x01;
}
VICVectAddr = 0x00; //Acknowledge Interrupt
}
//This function is UART0 Receive ISR. This functions is called whenever UART0 receives any data
void __irq IRQ_UART0(void)
{
Temp = U0RBR;
if(Temp == 0x38) //ASCII value of 8
{
Forward(); //forward
}
if(Temp == 0x32) //ASCII value of 2
{
Back(); //back
}
if(Temp == 0x34) //ASCII value of 4
{
Left(); //left
}
if(Temp == 0x36) //ASCII value of 6
{
Right(); //right
}
if(Temp == 0x35) //ASCII value of 5
{
Stop(); //stop
}
if(Temp == 0x37) //ASCII value of 7
{
BUZZER_ON();
}
if(Temp == 0x39) //ASCII value of 9
{
BUZZER_OFF();
}
VICVectAddr = 0x00;
UART0_SendByte(Temp); //Echo Back received character
}
