Rev Author Line No. Line
2596 kaklik 1 #include ".\main.h"
2  
3302 kaklik 3 #define LED1 PIN_C6 //CHANGE PIN_XX TO YOUR LED PIN NUMBER
4 #define LED2 PIN_C5 //CHANGE PIN_XX TO YOUR LED PIN NUMBER
2743 kaklik 5 #define LED3 PIN_C4 //CHANGE PIN_XX TO YOUR LED PIN NUMBER
6 #define LED4 PIN_D3 //CHANGE PIN_XX TO YOUR LED PIN NUMBER
2596 kaklik 7  
3023 kaklik 8 #define S1 PIN_B0 //Raw up
9 #define S2 PIN_B1 //Raw down
10 #define S3 PIN_D0 //Fine up
11 #define S4 PIN_D1 //Fine down
2596 kaklik 12  
2743 kaklik 13 #define BEEP PIN_D2 //piezo beeper
14  
15 #define LCD_ENABLE_PIN PIN_E0 ////
16 #define LCD_RS_PIN PIN_E1 ////
17 #define LCD_RW_PIN PIN_E2 ////
18 #define LCD_DATA4 PIN_D4 ////
19 #define LCD_DATA5 PIN_D5 ////
20 #define LCD_DATA6 PIN_D6 ////
21 #define LCD_DATA7 PIN_D7
22 #include <lcd.c>
23  
3301 kaklik 24 #define OUTPUT_ENABLE PIN_B5
3023 kaklik 25  
3296 kaklik 26  
27 //#define MAXDUTY (int16)160 // 50 kHz
28 #define MAXDUTY (int16)400 // 20 kHz
29 //#define MAXDUTY (int16)800 // 10 kHz
30 #define HALFDUTY (int16)MAXDUTY/2
31 //#define DIVISOR 199 // 10 kHz
32 #define DIVISOR 99 // 20 kHz
33 //#define DIVISOR 39 // 50 kHz
34  
3304 kaklik 35 #define MAX_OUTPUT 1000
3296 kaklik 36  
3308 kaklik 37 unsigned int16 setpoint=43;
38 unsigned int16 adc_value;
39 int1 output_permit=FALSE;
40  
41 #INT_AD
42 void adc_handler() {
43  
44 adc_value = read_adc();
45 if(output_permit == TRUE)
46 {
47 if (adc_value <= setpoint)
48 {
49 set_pwm2_duty((int16)255); // zapnuti menice
50 output_low(LED2);
51 }
52 else // vypnuti menice
53 {
54 set_pwm2_duty((int16)MAXDUTY);
55 output_high(LED2);
56 }
57  
58 }
59 else
60 {
61 set_pwm2_duty((int16)MAXDUTY);
62 output_high(LED2);
63 }
64 }
65  
2743 kaklik 66 void sound_beep( unsigned int lenght, int16 frequency)
2600 kaklik 67 {
2743 kaklik 68 unsigned int i;
69  
70 for(i=0;i<=lenght;i++)
71 {
72 output_toggle(BEEP);
73 delay_us(1/frequency);
74 }
2600 kaklik 75 }
76  
2596 kaklik 77 void main()
3308 kaklik 78 {
2743 kaklik 79 unsigned int1 button_press; // semafor pro cteni tlacitek
2596 kaklik 80  
3302 kaklik 81 setup_adc_ports(sAN0|VSS_VREF);
3305 kaklik 82 setup_adc(ADC_CLOCK_DIV_32);
2596 kaklik 83 setup_spi(SPI_SS_DISABLED);
84 setup_timer_0(RTCC_EXT_L_TO_H|RTCC_DIV_1);
85 setup_timer_1(T1_DISABLED);
3296 kaklik 86 setup_timer_2(T2_DIV_BY_1,DIVISOR,1);
3299 kaklik 87 setup_ccp1(CCP_PWM);
88 setup_ccp2(CCP_PWM);
3296 kaklik 89 set_pwm1_duty(HALFDUTY);
90 set_pwm2_duty(MAXDUTY);
2596 kaklik 91 setup_comparator(NC_NC_NC_NC);// This device COMP currently not supported by the PICWizard
92 setup_oscillator(OSC_8MHZ);
93  
3308 kaklik 94 enable_interrupts(INT_AD);
95 enable_interrupts(GLOBAL);
3305 kaklik 96  
2600 kaklik 97 output_high(LED1);
98 output_high(LED2);
99 output_high(LED3);
100 output_high(LED4);
2744 kaklik 101 output_low(BEEP);
2600 kaklik 102  
2744 kaklik 103 lcd_init();
3296 kaklik 104 set_adc_channel(0);
3021 kaklik 105  
106 lcd_gotoxy(1,1);
107 lcd_putc("HVPS01A");
108 lcd_gotoxy(1,2);
109 lcd_putc(" MLAB.cz");
2744 kaklik 110 Delay_ms(1000);
2596 kaklik 111  
2743 kaklik 112 lcd_putc("\f");
3296 kaklik 113  
3308 kaklik 114 read_adc(ADC_START_ONLY);
2596 kaklik 115  
116 while(true)
117 {
3308 kaklik 118 if(input(OUTPUT_ENABLE)) output_permit=TRUE;
119 else output_permit=FALSE;
2743 kaklik 120  
121 lcd_gotoxy(1,1);
3308 kaklik 122 printf(lcd_putc,"%4lu",adc_value);
2743 kaklik 123 lcd_gotoxy(1,2);
2596 kaklik 124  
3023 kaklik 125 if(input(OUTPUT_ENABLE))printf(lcd_putc,"Set:%lu "setpoint);
126 else printf(lcd_putc,"DISABLED");
127  
2743 kaklik 128 if(button_press==false ) // tlacitka se ctou znovu pouze pokud v redchozim cyklu nebyla zmacknuta.
129 {
130 if(!input(S1))
131 {
132 delay_ms(20);
133 if(!input(S1))
134 {
135 button_press=true;
136 sound_beep(100,700);
3302 kaklik 137 if(setpoint < (MAX_OUTPUT-5) )setpoint+=5;
2743 kaklik 138 }
139 }
140  
141 if(!input(S2))
142 {
143 delay_ms(20);
144 if(!input(S2))
145 {
146 button_press=true;
147 sound_beep(100,600);
148 if(setpoint > 0x05 ) setpoint-=5;
149 }
150 }
151  
152 if(!input(S3))
153 {
154 delay_ms(20);
155 if(!input(S3))
156 {
157 button_press=true;
158 sound_beep(100,500);
3302 kaklik 159 if(setpoint < MAX_OUTPUT )setpoint++;
2743 kaklik 160 }
161 }
162  
163 if(!input(S4))
164 {
165 delay_ms(20);
166 if(!input(S4))
167 {
168 button_press=true;
169 sound_beep(100,400);
170 if(setpoint > 0x00 ) setpoint--;
171 }
172 }
173 }
174  
175 if ( input(S1) && input(S2) && input(S3) && input(S4) ) button_press=false;
2600 kaklik 176 output_toggle(LED1);
2596 kaklik 177 }
178  
179 }