STC micro STC8A8K64D4 Series - Page 520

STC8A8K64D4 Series Manual
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sbit P_LED5 = P2^5;
sbit P_LED4 = P2^4;
sbit P_LED3 = P2^3;
sbit P_LED2 = P2^2;
sbit P_LED1 = P2^1;
sbit P_LED0 = P2^0;
u16 idata adc[TOUCH_CHANNEL]; //Current ADC value
u16 idata adc_prev[TOUCH_CHANNEL]; //Previous ADC value
u16 idata TouchZero[TOUCH_CHANNEL]; //ADC value of 0-point
u8 idata TouchZeroCnt[TOUCH_CHANNEL]; //Automatic tracking count for 0-point
u8 cnt_250ms;
void delay_ms(u8 ms);
void ADC_init(void);
u16 Get_ADC10bitResult(u8 channel);
void AutoZero(void);
u8 check_adc(u8 index);
void ShowLED(void);
void main(void)
{
u8 i;
P0M0 = 0x00;
P0M1 = 0x00;
P1M0 = 0x00;
P1M1 = 0x00;
P2M0 = 0x00;
P2M1 = 0x00;
P3M0 = 0x00;
P3M1 = 0x00;
P4M0 = 0x00;
P4M1 = 0x00;
P5M0 = 0x00;
P5M1 = 0x00;
delay_ms(50);
ET0 = 0; //Initialize Timer0 to output a 300KHz clock
TR0 = 0;
AUXR |= 0x80; //Timer0 set as 1T mode
AUXR2 |= 0x01; //Enable clock output
TMOD = 0; //Timer0 set as Timer, 16 bits Auto Reload.
TH0 = (u8)(Timer0_Reload >> 8);
TL0 = (u8)Timer0_Reload;
TR0 = 1;
ADC_init(); //ADC initialization
delay_ms(50); //Delay 50ms
for (i=0; i<TOUCH_CHANNEL; i++) // Initialize the 0-point, the previous value and the 0-point auto-tracking count
{
adc_prev[i] = 1023;
TouchZero[i] = 1023;
TouchZeroCnt[i] = 0;
}
cnt_250ms = 0;
while (1)
{
delay_ms(50); //Process key once every 50ms