Mercurial > pihelp
changeset 31:5d6a841eef82
/128 prescaler for adc
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Thu, 27 Jun 2013 00:12:32 +0800 |
parents | 320c8cc7df5a |
children | bd9ce7e581ec |
files | main.c |
diffstat | 1 files changed, 4 insertions(+), 2 deletions(-) [+] |
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--- a/main.c Thu Jun 27 00:12:01 2013 +0800 +++ b/main.c Thu Jun 27 00:12:32 2013 +0800 @@ -762,8 +762,10 @@ { PRR &= ~_BV(PRADC); - // /64 prescaler, interrupt - ADCSRA = _BV(ADEN) | _BV(ADPS2) | _BV(ADPS1) | _BV(ADIE); + // /128 prescaler (86kHz), interrupt + ADCSRA = _BV(ADEN) + | _BV(ADPS2) | _BV(ADPS1) | _BV(ADPS0) + | _BV(ADIE); // set to measure 1.1 reference ADMUX = admux;