Line 32... |
Line 32... |
32 |
#define DIVISOR 99 // 20 kHz |
32 |
#define DIVISOR 99 // 20 kHz |
33 |
//#define DIVISOR 39 // 50 kHz |
33 |
//#define DIVISOR 39 // 50 kHz |
34 |
|
34 |
|
35 |
#define MAX_OUTPUT 1000 |
35 |
#define MAX_OUTPUT 1000 |
36 |
|
36 |
|
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|
37 |
unsigned int16 setpoint=43; |
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|
38 |
unsigned int16 adc_value; |
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|
39 |
int1 output_permit=FALSE; |
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|
40 |
|
- |
|
41 |
#INT_AD |
- |
|
42 |
void adc_handler() { |
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|
43 |
|
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|
44 |
adc_value = read_adc(); |
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|
45 |
if(output_permit == TRUE) |
- |
|
46 |
{ |
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|
47 |
if (adc_value <= setpoint) |
- |
|
48 |
{ |
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|
49 |
set_pwm2_duty((int16)255); // zapnuti menice |
- |
|
50 |
output_low(LED2); |
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|
51 |
} |
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|
52 |
else // vypnuti menice |
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|
53 |
{ |
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|
54 |
set_pwm2_duty((int16)MAXDUTY); |
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|
55 |
output_high(LED2); |
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|
56 |
} |
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|
57 |
|
- |
|
58 |
} |
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|
59 |
else |
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|
60 |
{ |
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|
61 |
set_pwm2_duty((int16)MAXDUTY); |
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|
62 |
output_high(LED2); |
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|
63 |
} |
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|
64 |
} |
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|
65 |
|
37 |
void sound_beep( unsigned int lenght, int16 frequency) |
66 |
void sound_beep( unsigned int lenght, int16 frequency) |
38 |
{ |
67 |
{ |
39 |
unsigned int i; |
68 |
unsigned int i; |
40 |
|
69 |
|
41 |
for(i=0;i<=lenght;i++) |
70 |
for(i=0;i<=lenght;i++) |
Line 44... |
Line 73... |
44 |
delay_us(1/frequency); |
73 |
delay_us(1/frequency); |
45 |
} |
74 |
} |
46 |
} |
75 |
} |
47 |
|
76 |
|
48 |
void main() |
77 |
void main() |
49 |
{ |
78 |
{ |
50 |
unsigned int16 setpoint=43; |
- |
|
51 |
unsigned int16 napeti; |
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|
52 |
unsigned int1 button_press; // semafor pro cteni tlacitek |
79 |
unsigned int1 button_press; // semafor pro cteni tlacitek |
53 |
|
80 |
|
54 |
setup_adc_ports(sAN0|VSS_VREF); |
81 |
setup_adc_ports(sAN0|VSS_VREF); |
55 |
setup_adc(ADC_CLOCK_DIV_32); |
82 |
setup_adc(ADC_CLOCK_DIV_32); |
56 |
setup_spi(SPI_SS_DISABLED); |
83 |
setup_spi(SPI_SS_DISABLED); |
Line 62... |
Line 89... |
62 |
set_pwm1_duty(HALFDUTY); |
89 |
set_pwm1_duty(HALFDUTY); |
63 |
set_pwm2_duty(MAXDUTY); |
90 |
set_pwm2_duty(MAXDUTY); |
64 |
setup_comparator(NC_NC_NC_NC);// This device COMP currently not supported by the PICWizard |
91 |
setup_comparator(NC_NC_NC_NC);// This device COMP currently not supported by the PICWizard |
65 |
setup_oscillator(OSC_8MHZ); |
92 |
setup_oscillator(OSC_8MHZ); |
66 |
|
93 |
|
- |
|
94 |
enable_interrupts(INT_AD); |
67 |
// enable_interrupts(GLOBAL); |
95 |
enable_interrupts(GLOBAL); |
68 |
|
96 |
|
69 |
output_high(LED1); |
97 |
output_high(LED1); |
70 |
output_high(LED2); |
98 |
output_high(LED2); |
71 |
output_high(LED3); |
99 |
output_high(LED3); |
72 |
output_high(LED4); |
100 |
output_high(LED4); |
Line 81... |
Line 109... |
81 |
lcd_putc(" MLAB.cz"); |
109 |
lcd_putc(" MLAB.cz"); |
82 |
Delay_ms(1000); |
110 |
Delay_ms(1000); |
83 |
|
111 |
|
84 |
lcd_putc("\f"); |
112 |
lcd_putc("\f"); |
85 |
|
113 |
|
86 |
//read_adc(ADC_START_ONLY); |
114 |
read_adc(ADC_START_ONLY); |
87 |
|
115 |
|
88 |
while(true) |
116 |
while(true) |
89 |
{ |
117 |
{ |
90 |
napeti = read_adc(); |
- |
|
91 |
if(input(OUTPUT_ENABLE)) |
118 |
if(input(OUTPUT_ENABLE)) output_permit=TRUE; |
92 |
{ |
- |
|
93 |
if (napeti <= setpoint) |
- |
|
94 |
{ |
- |
|
95 |
set_pwm2_duty((int16)255); // zapnuti menice |
- |
|
96 |
output_low(LED2); |
- |
|
97 |
} |
- |
|
98 |
else // vypnuti menice |
- |
|
99 |
{ |
- |
|
100 |
set_pwm2_duty((int16)MAXDUTY); |
- |
|
101 |
output_high(LED2); |
119 |
else output_permit=FALSE; |
102 |
} |
- |
|
103 |
|
- |
|
104 |
} |
- |
|
105 |
else |
- |
|
106 |
{ |
- |
|
107 |
set_pwm2_duty((int16)MAXDUTY); |
- |
|
108 |
output_high(LED2); |
- |
|
109 |
} |
- |
|
110 |
|
120 |
|
111 |
lcd_gotoxy(1,1); |
121 |
lcd_gotoxy(1,1); |
112 |
printf(lcd_putc,"%4lu",napeti); |
122 |
printf(lcd_putc,"%4lu",adc_value); |
113 |
lcd_gotoxy(1,2); |
123 |
lcd_gotoxy(1,2); |
114 |
|
124 |
|
115 |
if(input(OUTPUT_ENABLE))printf(lcd_putc,"Set:%lu "setpoint); |
125 |
if(input(OUTPUT_ENABLE))printf(lcd_putc,"Set:%lu "setpoint); |
116 |
else printf(lcd_putc,"DISABLED"); |
126 |
else printf(lcd_putc,"DISABLED"); |
117 |
|
127 |
|