| 0,0 → 1,82 |
|---|
| #include "D:\PIC\VN\vn.h" |
| |
| |
| //#define MAXDUTY (int16)160 // 50 kHz |
| #define MAXDUTY (int16)400 // 20 kHz |
| //#define MAXDUTY (int16)800 // 10 kHz |
| #define HALFDUTY (int16)MAXDUTY/2 |
| //#define DIVISOR 199 // 10 kHz |
| #define DIVISOR 99 // 20 kHz |
| //#define DIVISOR 39 // 50 kHz |
| |
| #define regreseM (2.02) |
| #define regreseN (-451) |
| |
| void main() |
| { |
| |
| setup_adc_ports(sAN0|VSS_VDD); |
| setup_adc(ADC_CLOCK_DIV_2); |
| setup_spi(SPI_SS_DISABLED); |
| setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); |
| setup_timer_1(T1_DISABLED); |
| setup_timer_2(T2_DIV_BY_1,DIVISOR,1); |
| setup_ccp1(CCP_PWM); |
| setup_ccp2(CCP_PWM); |
| set_pwm1_duty(HALFDUTY); |
| set_pwm2_duty(MAXDUTY); |
| setup_comparator(NC_NC_NC_NC); |
| setup_oscillator(OSC_8MHZ); |
| |
| set_adc_channel(0); |
| delay_ms(500); |
| |
| unsigned int16 reg; |
| float given; |
| printf("Cvak\r\n"); |
| |
| reg=400; |
| given=regreseM*reg+regreseN; |
| |
| while(true) |
| { |
| unsigned int16 value; |
| |
| value = read_adc(); |
| if(kbhit()) |
| { |
| char c; |
| |
| set_pwm2_duty((int16)MAXDUTY); |
| c=getc(); |
| |
| if(c=='u') |
| { |
| if (reg<600) reg++; |
| printf("up*"); |
| } |
| |
| if(c=='d') |
| { |
| if (reg>250) reg--; |
| printf("down*"); |
| } |
| |
| if((c>='a')&&(c<='z')) |
| { |
| given=regreseM*reg+regreseN; |
| printf("reg: %Lu\r\n",reg); |
| } |
| } |
| |
| if (value >= given) |
| { |
| set_pwm2_duty((int16)MAXDUTY); |
| } |
| else |
| { |
| set_pwm2_duty((int16)255); |
| } |
| delay_us(200); |
| } |
| } |