solarwind

#include "main.h"
#include "delay.h"
#include "AS1107_driver.h"

//Strobe the CLOCK line
void AS1107_clock() {
    CLOCK = 1;
    Nop();
    CLOCK = 0;
    Nop();
}

//Strobe the LATCH line
void AS1107_latch() {
    LATCH = 1;
    Nop();
    LATCH = 0;
    Nop();
}

void AS1107_send_data(byte address, byte data) {
    byte c;
    //The first 4 bits are not used
    DATA = 0;
    AS1107_clock();
    AS1107_clock();
    AS1107_clock();
    AS1107_clock();

    //Clock in the next 4 bits (register address)
    for(c = 4; c > 0; c--) {
        DATA = (address >> c) & 1;
        AS1107_clock();
    }

    //Clock in the next 8 bits (register data)
    for(c = 8; c > 0; c--) {
        DATA = (data >> c) & 1;
        AS1107_clock();
    }

    //Latch in the data
    AS1107_latch();

}

void AS1107_init() {
    AS1107_latch();
}