3DPrinting/Prusa-Firmware
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Remove obsolete cbi/sbi

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This commit is contained in:
Yuri D'Elia 2020-09-27 16:42:20 +02:00
parent 6d476d7144
commit 384f40956c
1 changed files with 1 additions and 10 deletions
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11
Firmware/twi.c
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@ -22,14 +22,6 @@
#include <math.h>
#include "Arduino.h" // for digitalWrite
#ifndef cbi
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#endif
#ifndef sbi
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
#endif
#include "twi.h"
@ -40,8 +32,7 @@ void twi_init(void)
digitalWrite(SCL, 1);
// initialize twi prescaler and bit rate
cbi(TWSR, TWPS0);
cbi(TWSR, TWPS1);
TWSR &= ~(_BV(TWPS0) | _BV(TWPS1));
TWBR = ((F_CPU / TWI_FREQ) - 16) / 2;
/* twi bit rate formula from atmega128 manual pg 204