| 0,0 → 1,147 |
|---|
| // Vysilac |
| |
| #include "main.h" |
| #include "..\common.h" |
| |
| #DEFINE LCD_RS PIN_B1 // rizeni registru LCD displeje |
| #DEFINE LCD_E PIN_B2 // enable LCD displeje |
| #DEFINE LCD_DATA_LSB PIN_B4 // pripojeni LSB bitu datoveho portu LCD displeje (celkem 4 bity vzestupne za sebou) |
| #INCLUDE "MYLCD.C" |
| |
| #DEFINE VYSILAC PIN_C3 |
| #DEFINE AD_OSA_X 0 // adresa A/D prevodniku pro osu X |
| #DEFINE AD_OSA_Y 1 // adresa A/D prevodniku pro osu Y |
| #DEFINE TTL1 PIN_B4 |
| #DEFINE TTL2 PIN_B3 |
| |
| |
| // Odesle nulu nebo jednicku podle nejnizsiho bitu predanych dat |
| // Nula je posloupnost LH a jednicka je HL |
| // |
| void odeslat_bit(int8 data) |
| { |
| output_bit(VYSILAC,bit_test(data,0)); |
| delay_us(IMPULS); |
| output_bit(VYSILAC,!bit_test(data,0)); |
| delay_us(IMPULS); |
| } |
| |
| |
| // Odelse ramec o 4 bitech |
| // Datovy ramec zacina 11, synchronizacni ramec zacina 10 |
| // |
| void odeslat_nibble(int1 datovy, int8 data) |
| { |
| int i; |
| |
| delay_ms(3); // klidovy stav na lince |
| |
| odeslat_bit(1); // start bit |
| odeslat_bit(datovy); |
| |
| for (i=5; --i!=0; ) // datove bity |
| { |
| odeslat_bit(data); |
| data>>=1; |
| } |
| |
| output_low(VYSILAC); // klidovy stav |
| } |
| |
| |
| void odeslat_paket(int8 kanal, data) |
| { |
| int8 suma; |
| |
| suma = kanal+data; |
| odeslat_nibble(0,0b1111); // Synchronizace |
| odeslat_nibble(1,kanal); // Identifikace osy |
| odeslat_nibble(1,data); // Hodnota osy |
| odeslat_nibble(1,suma); // Kontrolni soucet |
| |
| delay_ms(10); // cas pro prijimac aby mohl zpracovat data |
| // mozno nahradit vysilanim jednicek |
| } |
| |
| |
| int stredX, stredY, x, y; |
| |
| void kalibrace() |
| { |
| int8 min_x; |
| int8 max_x; |
| int8 min_y; |
| int8 max_y; |
| int8 sred_x; |
| int8 sred_y; |
| int8 adc; |
| min_x=max_x=min_y=max_y=sred_x=sred_y=128; |
| |
| printf(lcd_putc,"Paku dejte do prostred a stisknete tlacitko"); |
| znovu: |
| if (TTL1 || TTL2) |
| { |
| set_adc_channel(AD_OSA_X); |
| delay_us(10); |
| sred_x=read_adc(); |
| set_adc_channel(AD_OSA_Y); |
| delay_us(10); |
| sred_y=read_adc(); |
| }; |
| |
| //else goto znovu; |
| |
| printf(lcd_putc,"\f"); |
| printf(lcd_putc,"Pak "); |
| |
| set_adc_channel(AD_OSA_X); |
| delay_us(10); |
| |
| adc=read_adc(); |
| |
| if (max_x < adc )max_x=adc; |
| if (min_x > adc )min_x=adc; |
| |
| set_adc_channel(AD_OSA_Y); |
| delay_us(10); |
| |
| adc=read_adc(); |
| |
| if (max_y < adc )max_y=adc; |
| if (min_y > adc )min_y=adc; |
| |
| if (TTL1 || TTL2) return; |
| } |
| |
| |
| void main() |
| { |
| |
| setup_adc_ports(RA0_RA1_RA3_ANALOG); |
| setup_adc(ADC_CLOCK_DIV_2); |
| setup_spi(FALSE); |
| setup_counters(RTCC_INTERNAL,RTCC_DIV_2); |
| setup_timer_1(T1_DISABLED); |
| setup_timer_2(T2_DISABLED,0,1); |
| |
| lcd_init(); |
| printf(lcd_putc,"\fAhoj!"); |
| delay_ms(300); |
| |
| while(true) |
| { |
| set_adc_channel(AD_OSA_X); |
| lcd_gotoxy(1,1); |
| x=read_adc() >> 4; |
| printf(lcd_putc,"X: %D ", x); |
| set_adc_channel(AD_OSA_Y); |
| lcd_gotoxy(1,2); |
| y=read_adc() >> 4; |
| printf(lcd_putc,"Y: %D ", y); |
| |
| odeslat_paket(OSA_X,x); |
| odeslat_paket(OSA_Y,y); |
| |
| } |
| |
| } |