From 2a4950ae28f13d711de99936e9a35263ad2ce6d8 Mon Sep 17 00:00:00 2001 From: Michel Pollet Date: Fri, 24 Jul 2015 16:25:11 +0100 Subject: [PATCH] ADC: Skip SRB register if not present the mega8/16/32 don't have ADCSRB, this lead to a crash when we tried to register a callback on it. Signed-off-by: Michel Pollet --- simavr/sim/avr_adc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/simavr/sim/avr_adc.c b/simavr/sim/avr_adc.c index ad64b9e..3508bd0 100644 --- a/simavr/sim/avr_adc.c +++ b/simavr/sim/avr_adc.c @@ -343,7 +343,9 @@ void avr_adc_init(avr_t * avr, avr_adc_t * p) avr_io_setirqs(&p->io, AVR_IOCTL_ADC_GETIRQ, ADC_IRQ_COUNT, NULL); avr_register_io_write(avr, p->r_adcsra, avr_adc_write_adcsra, p); - avr_register_io_write(avr, p->r_adcsrb, avr_adc_write_adcsrb, p); + // some ADCs don't have ADCSRB (atmega8/16/32) + if (p->r_adcsrb) + avr_register_io_write(avr, p->r_adcsrb, avr_adc_write_adcsrb, p); avr_register_io_read(avr, p->r_adcl, avr_adc_read_l, p); avr_register_io_read(avr, p->r_adch, avr_adc_read_h, p); } -- 2.39.5