Author: sebastien.lelong
Date: Mon Jun 29 02:47:07 2009
New Revision: 1060
Modified:
trunk/include/peripheral/adc/adc_clock.jal
Log:
issue-75: fixed typo about ADCS bits
Modified: trunk/include/peripheral/adc/adc_clock.jal
==============================================================================
--- trunk/include/peripheral/adc/adc_clock.jal (original)
+++ trunk/include/peripheral/adc/adc_clock.jal Mon Jun 29 02:47:07 2009
@@ -61,7 +61,7 @@
-- For 18F4550 (and other 18F PICs ?): 0.7usec < Tad < 25usec
-- So, honoring 16F88 values should do the trick for 18F4550, right ?
-- We then just need to compute Tad from the highest possible clock
value,
- -- and decreasing until Tad interval is match.
+ -- and decreasing until Tad interval gives a match.
-- Oh, I forgot ! clock selection bits can *2 or *3:
-- - when bit*2: factor is 2, 8 or 32
@@ -78,7 +78,7 @@
-- => ... and these are: ADCON1_ADCS, ADCON2_ADCS, ANSEL_ADCS
-- - for p in `grep ADCON1_ADCS2 * | sed "s#:var.*##"`; do grep
_ADCS[[:space:]] $p | awk '{print $3,$4}';done | sort -u
-- => gives "bit*2 ADCON0_ADCS" so extra 3rd bit exists when
ADCON0_ADCS is defined
- -- Final note before code: when a third extra bit exists, if multiply
by 2 the factor.
+ -- Final note before code: when a third extra bit exists, clock factor
is multiplied by 2.
-- This means without this 3rd bit, we have exactly the same
distribution as for PICs with
-- only 2-bits long ADCS.
@@ -101,12 +101,12 @@
const bit ADC_ADCS_BIT_SPLIT = false
end if
if defined(ADCON2_ADCS) == true then
- var volatile bit*2 jallib_adcs is ADCON2_ADCS
+ var volatile bit*3 jallib_adcs is ADCON2_ADCS
const byte ADC_ADCS_BIT_LONG = 3
const bit ADC_ADCS_BIT_SPLIT = false
end if
if defined(ANSEL_ADCS) == true then
- var volatile bit*2 jallib_adcs_lsb is ANSEL_ADCS
+ var volatile bit*3 jallib_adcs_lsb is ANSEL_ADCS
const byte ADC_ADCS_BIT_LONG = 3
const bit ADC_ADCS_BIT_SPLIT = false
end if
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