| 0,0 → 1,85 |
|---|
| #include "main.h" |
| |
| #define LED1 PIN_A1 |
| #define LED2 PIN_A2 |
| |
| int8 lsb, msb; |
| signed int16 pwm; |
| |
| #int_SSP |
| void SSP_isr(void) |
| { |
| int8 state; |
| |
| state = i2c_isr_state(); |
| if (state == 0) |
| { |
| i2c_read(); |
| } |
| |
| if (state == 1) |
| { |
| lsb = i2c_read(); |
| } |
| |
| if (state == 2) |
| { |
| output_low(LED2); |
| msb = i2c_read(); |
| pwm = MAKE16(msb,lsb); |
| if (pwm==0) |
| { |
| set_pwm1_duty(0); |
| set_pwm2_duty(0); |
| } |
| if (pwm>0) |
| { |
| set_pwm1_duty(pwm); |
| set_pwm2_duty(0); |
| } |
| if (pwm<0) |
| { |
| set_pwm1_duty(0); |
| set_pwm2_duty(abs(pwm)); |
| } |
| } |
| } |
| |
| |
| void main() |
| { |
| setup_oscillator(OSC_8MHZ|OSC_INTRC); |
| setup_adc_ports(NO_ANALOGS|VSS_VDD); |
| setup_adc(ADC_CLOCK_DIV_2); |
| setup_psp(PSP_DISABLED); |
| //!!! setup_spi(SPI_SS_DISABLED); |
| setup_wdt(WDT_OFF); |
| setup_timer_0(RTCC_INTERNAL); |
| setup_timer_1(T1_DISABLED); |
| setup_timer_2(T2_DIV_BY_16,255,1); |
| setup_timer_3(T3_DISABLED|T3_DIV_BY_1); |
| // setup_ccp1(CCP_PWM_FULL_BRIDGE|CCP_SHUTDOWN_AC_L|CCP_SHUTDOWN_BD_L); |
| setup_ccp1(CCP_PWM); |
| setup_ccp2(CCP_PWM); |
| // set_pwm1_duty(512); |
| // set_pwm2_duty(512); |
| set_pwm1_duty(0); |
| set_pwm2_duty(0); |
| setup_comparator(NC_NC_NC_NC); |
| setup_vref(FALSE); |
| enable_interrupts(INT_SSP); |
| enable_interrupts(GLOBAL); |
| |
| printf("Cvak.\r\n"); |
| pwm=0; |
| //Example blinking LED program |
| while(true){ |
| printf("Hmm...%Ld\r\n",pwm); |
| output_low(LED1); |
| delay_ms(500); |
| output_high(LED1); |
| output_high(LED2); |
| delay_ms(500); |
| } |
| |
| } |