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Add support for reading/writing to a DS1307 over TWI/IIC. Note that iic_read() appears to have a bug where it stops 1 byte earlier than expected, work around it for now by adding 1 in the gettod() function. tempctrl.c now prints the TOD as read from the RTC for each line.
author darius@Inchoate
date Thu, 30 Oct 2008 11:53:32 +1030
parents 5898fba6593c
children
line wrap: on
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#
# $Id$
#

PROG=	testavr
SRCS=	1wire.c cons.c tempctrl.c testavr.c ds1307.c
.if defined(WITHUSB)
SRCS+=	usb.c
CFLAGS+=-DWITHUSB
.endif

MCU=	atmega32
PART=	m32
CFLAGS+=-O2 -Wall -gdwarf-2
#CFLAGS+=-Wunreachable-code
CFLAGS+=-DF_CPU=16000000
#CFLAGS+= -mcall-prologues -frename-registers -fstrict-aliasing -fnew-ra

#CFLAGS+=-DOW_DEBUG

#PROGTYPE=alf
#PROGPORT=/dev/ppi0
PROGTYPE=dragon_jtag
PROGPORT=usb
PROGOPTS=-p ${PART} -c ${PROGTYPE} -E vcc,noreset -q -P ${PROGPORT}

.include "Makefile.avr"