| 0,0 → 1,84 |
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| //#include "C:\Users\Honza\Documents\pic\I2C_HUB\main.h" |
| |
| #include "main.h" |
| //I2CHUB |
| //ADRESA pro èteni 0xE1 |
| //pro zápis 0xE0 |
| |
| |
| #define EEPROM_SDA PIN_C4 |
| #define EEPROM_SCL PIN_C3 |
| #use i2c(master, sda=EEPROM_SDA, scl=EEPROM_SCL) |
| #use rs232(baud=9600,parity=N,xmit=PIN_C7,rcv=PIN_C6,bits=8) //rcv TXD xmit RXD |
| |
| void setHUB(int d) //vstupuje 1-8 |
| //hodnota udava jaky port bude pripojen na master I2C |
| //zde je nastaveno propojeni jen jedne brany, je mozne propojit i vice bran naraz |
| { |
| switch (d) { |
| |
| case 1: d=0x01; |
| |
| break; |
| |
| case 2: d=0x02; |
| |
| break; |
| |
| case 3: d=0x04; |
| |
| break; |
| |
| case 4: d=0x08; |
| |
| break; |
| case 5: d=0x10; |
| |
| break; |
| |
| case 6: d=0x20; |
| |
| break; |
| case 7: d=0x40; |
| |
| break; |
| |
| case 8: d=0x80; |
| |
| break; |
| |
| default:printf("chyba"); |
| |
| break; } |
| |
| i2c_start(); |
| I2C_Write(0xE0); |
| |
| I2C_write(d); |
| i2c_stop(); |
| |
| } |
| |
| |
| void main() |
| { |
| |
| setup_adc_ports(NO_ANALOGS|VSS_VDD); |
| setup_adc(ADC_CLOCK_DIV_2); |
| setup_spi(SPI_SS_DISABLED); |
| setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); |
| setup_timer_1(T1_DISABLED); |
| setup_timer_2(T2_DISABLED,0,1); |
| setup_ccp1(CCP_OFF); |
| setup_comparator(NC_NC_NC_NC);// This device COMP currently not supported by the PICWizard |
| |
| printf("I2CHUB \r\n",); |
| printf("(c)MLAB 2013 JACHO \r\n",); |
| |
| while(TRUE) |
| { |
| setHUB(3); //pripoji prislusnou branu |
| delay_ms(1000); |
| } |
| } |
| |