21 lines
462 B
C
21 lines
462 B
C
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#include "spi.h"
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/*
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#define nWR 7 //bit aktywacja zapisu do rejestru przetwornika
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#define DC 6 //bit nieużywany (Don't Care)
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#define GA 5 //bit wyboru wzmocnienia
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#define SHDN 4 //bit aktywacji wyjścia
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#define GAIN_X1 1
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#define GAIN_X2 0
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*/
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#define CONF1 0b00110000 //gain x1
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#define CONF2 0b00010000 //gain x2
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void analogWrite(uint8_t data){
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SS_LOW;
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spiTransfer(CONF1 | (data>>4));
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spiTransfer(data<<4);
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SS_HIGH;
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}
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