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  
3309 kaklik 44 adc_value = read_adc(ADC_READ_ONLY);
3308 kaklik 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 }
3310 kaklik 64 read_adc(ADC_START_ONLY);
3308 kaklik 65 }
66  
2743 kaklik 67 void sound_beep( unsigned int lenght, int16 frequency)
2600 kaklik 68 {
2743 kaklik 69 unsigned int i;
70  
71 for(i=0;i<=lenght;i++)
72 {
73 output_toggle(BEEP);
74 delay_us(1/frequency);
75 }
2600 kaklik 76 }
77  
2596 kaklik 78 void main()
3308 kaklik 79 {
2743 kaklik 80 unsigned int1 button_press; // semafor pro cteni tlacitek
3312 kaklik 81 float output_voltage;
2596 kaklik 82  
3302 kaklik 83 setup_adc_ports(sAN0|VSS_VREF);
3305 kaklik 84 setup_adc(ADC_CLOCK_DIV_32);
2596 kaklik 85 setup_spi(SPI_SS_DISABLED);
86 setup_timer_0(RTCC_EXT_L_TO_H|RTCC_DIV_1);
87 setup_timer_1(T1_DISABLED);
3296 kaklik 88 setup_timer_2(T2_DIV_BY_1,DIVISOR,1);
3299 kaklik 89 setup_ccp1(CCP_PWM);
90 setup_ccp2(CCP_PWM);
3296 kaklik 91 set_pwm1_duty(HALFDUTY);
92 set_pwm2_duty(MAXDUTY);
2596 kaklik 93 setup_comparator(NC_NC_NC_NC);// This device COMP currently not supported by the PICWizard
94 setup_oscillator(OSC_8MHZ);
95  
3308 kaklik 96 enable_interrupts(INT_AD);
97 enable_interrupts(GLOBAL);
3305 kaklik 98  
2600 kaklik 99 output_high(LED1);
100 output_high(LED2);
101 output_high(LED3);
102 output_high(LED4);
2744 kaklik 103 output_low(BEEP);
2600 kaklik 104  
3309 kaklik 105 set_pwm2_duty((int16)MAXDUTY);
106  
2744 kaklik 107 lcd_init();
3296 kaklik 108 set_adc_channel(0);
3021 kaklik 109  
110 lcd_gotoxy(1,1);
111 lcd_putc("HVPS01A");
112 lcd_gotoxy(1,2);
113 lcd_putc(" MLAB.cz");
2744 kaklik 114 Delay_ms(1000);
2596 kaklik 115  
2743 kaklik 116 lcd_putc("\f");
3296 kaklik 117  
3311 kaklik 118 read_adc(ADC_START_ONLY);
2596 kaklik 119  
120 while(true)
121 {
3308 kaklik 122 if(input(OUTPUT_ENABLE)) output_permit=TRUE;
123 else output_permit=FALSE;
3313 kaklik 124  
125 output_voltage = adc_value * 0.316142 + 223.294;
126  
2743 kaklik 127 lcd_gotoxy(1,1);
3313 kaklik 128 printf(lcd_putc,"%3.0f",output_voltage);
2743 kaklik 129 lcd_gotoxy(1,2);
2596 kaklik 130  
3313 kaklik 131 if(input(OUTPUT_ENABLE))printf(lcd_putc,"Set:%lu "setpoint);
3023 kaklik 132 else printf(lcd_putc,"DISABLED");
133  
2743 kaklik 134 if(button_press==false ) // tlacitka se ctou znovu pouze pokud v redchozim cyklu nebyla zmacknuta.
135 {
136 if(!input(S1))
137 {
138 delay_ms(20);
139 if(!input(S1))
140 {
141 button_press=true;
142 sound_beep(100,700);
3302 kaklik 143 if(setpoint < (MAX_OUTPUT-5) )setpoint+=5;
2743 kaklik 144 }
145 }
146  
147 if(!input(S2))
148 {
149 delay_ms(20);
150 if(!input(S2))
151 {
152 button_press=true;
153 sound_beep(100,600);
154 if(setpoint > 0x05 ) setpoint-=5;
155 }
156 }
157  
158 if(!input(S3))
159 {
160 delay_ms(20);
161 if(!input(S3))
162 {
163 button_press=true;
164 sound_beep(100,500);
3302 kaklik 165 if(setpoint < MAX_OUTPUT )setpoint++;
2743 kaklik 166 }
167 }
168  
169 if(!input(S4))
170 {
171 delay_ms(20);
172 if(!input(S4))
173 {
174 button_press=true;
175 sound_beep(100,400);
176 if(setpoint > 0x00 ) setpoint--;
177 }
178 }
179 }
180  
181 if ( input(S1) && input(S2) && input(S3) && input(S4) ) button_press=false;
2600 kaklik 182 output_toggle(LED1);
2596 kaklik 183 }
184  
185 }