Mercurial > public > hwos_code
diff src/adc_lightsensor.asm @ 196:a0e0ddfc1b49
suppress ghost readings for long, open cables
| author | heinrichsweikamp |
|---|---|
| date | Thu, 06 Nov 2014 12:00:44 +0100 |
| parents | e79bc535ef9e |
| children | dcd513840c6c |
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--- a/src/adc_lightsensor.asm Wed Nov 05 14:43:13 2014 +0100 +++ b/src/adc_lightsensor.asm Thu Nov 06 12:00:44 2014 +0100 @@ -330,6 +330,14 @@ bcf STATUS,C rrcf o2_mv_sensor1+1,F ; /2 rrcf o2_mv_sensor1+0,F + + movlw HIGH ignore_mv + cpfsgt o2_mv_sensor1+1 ; >ignore_mv? + bra get_analog_inputs2a ; No + ; Yes, ignore this reading + clrf o2_mv_sensor1+1 + clrf o2_mv_sensor1+0 +get_analog_inputs2a: ; Ignore 1,2mV noise for not-connected inputs tstfsz o2_mv_sensor1+1 ; >25,5mV? bra get_analog_inputs2 ; Yes, skip here @@ -350,6 +358,14 @@ bcf STATUS,C rrcf o2_mv_sensor2+1,F ; /2 rrcf o2_mv_sensor2+0,F + + movlw HIGH ignore_mv + cpfsgt o2_mv_sensor2+1 ; >ignore_mv? + bra get_analog_inputs3a ; No + ; Yes, ignore this reading + clrf o2_mv_sensor2+1 + clrf o2_mv_sensor2+0 +get_analog_inputs3a: ; Ignore 1,2mV noise for not-connected inputs tstfsz o2_mv_sensor2+1 ; >25,5mV? bra get_analog_inputs3 ; Yes, skip here @@ -370,6 +386,14 @@ bcf STATUS,C rrcf o2_mv_sensor3+1,F ; /2 rrcf o2_mv_sensor3+0,F + + movlw HIGH ignore_mv + cpfsgt o2_mv_sensor3+1 ; >ignore_mv? + bra get_analog_inputs4a ; No + ; Yes, ignore this reading + clrf o2_mv_sensor3+1 + clrf o2_mv_sensor3+0 +get_analog_inputs4a: ; Ignore 1,2mV noise for not-connected inputs tstfsz o2_mv_sensor3+1 ; >25,5mV? bra get_analog_inputs4 ; Yes, skip here