razzor
/
twiboot
1
0
Fork 0
Code Issues 2 Pull Requests Releases Activity

Do not repeat check for every chip type

This commit is contained in:
Olaf Rempel 2020-01-20 23:42:10 +01:00
parent 7e7e50ad84
commit 05a4533cd2
1 changed files with 16 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
main.c
View File

@ -196,13 +196,14 @@ static void write_eeprom_byte(uint8_t val)
EEDR = val;
addr++;
#if defined (__AVR_ATmega8__)
#if defined (EEWE)
EECR |= (1<<EEMWE);
EECR |= (1<<EEWE);
#elif defined (__AVR_ATmega88__) || defined (__AVR_ATmega168__) || \
defined (__AVR_ATmega328P__)
#elif defined (EEPE)
EECR |= (1<<EEMPE);
EECR |= (1<<EEPE);
#else
#error "EEWE/EEPE not defined"
#endif
eeprom_busy_wait();
@ -484,11 +485,12 @@ int main(void)
LED_GN_ON();
/* timer0: running with F_CPU/1024 */
#if defined (__AVR_ATmega8__)
#if defined (TCCR0)
TCCR0 = (1<<CS02) | (1<<CS00);
#elif defined (__AVR_ATmega88__) || defined (__AVR_ATmega168__) || \
defined (__AVR_ATmega328P__)
#elif defined (TCCR0B)
TCCR0B = (1<<CS02) | (1<<CS00);
#else
#error "TCCR0(B) not defined"
#endif
/* TWI init: set address, auto ACKs */
@ -502,19 +504,20 @@ int main(void)
TWI_vect();
}
#if defined (__AVR_ATmega8__)
#if defined (TIFR)
if (TIFR & (1<<TOV0))
{
TIMER0_OVF_vect();
TIFR = (1<<TOV0);
}
#elif defined (__AVR_ATmega88__) || defined (__AVR_ATmega168__) || \
defined (__AVR_ATmega328P__)
#elif defined (TIFR0)
if (TIFR0 & (1<<TOV0))
{
TIMER0_OVF_vect();
TIFR0 = (1<<TOV0);
}
#else
#error "TIFR(0) not defined"
#endif
}
@ -522,11 +525,12 @@ int main(void)
TWCR = 0x00;
/* disable timer0 */
#if defined (__AVR_ATmega8__)
#if defined (TCCR0)
TCCR0 = 0x00;
#elif defined (__AVR_ATmega88__) || defined (__AVR_ATmega168__) || \
defined (__AVR_ATmega328P__)
#elif defined (TCCR0B)
TCCR0B = 0x00;
#else
#error "TCCR0(B) not defined"
#endif
LED_OFF();