Hi Rob, This gives no errors , thanks: kind egards :Hans Op dinsdag 17 januari 2023 om 19:17:16 UTC+1 schreef [email protected]:
> Hi Hans, > > Step 2 and step 3 should change: > > -- Step 2: Set VDD as Vref > ADCON1_ADPREF = 0b00 > -- Step 3: Use Frc as ADC clock > ADCON1_ADCS = 0b011 > > I hope this works. > > Kind regards, > > Rob > > ------------------------------ > *Van:* [email protected] <[email protected]> namens hans < > [email protected]> > *Verzonden:* dinsdag 17 januari 2023 17:28 > *Aan:* jallib <[email protected]> > *Onderwerp:* [jallib] 12F1840 sample ADC and usart > > Hello , > Does anyone have an example for this pic, I want an2 in adc and A0 as Tx > and A1 as Rx. I've tried to derive some from other programs but I keep > stumbling on the datasheet. > Hans > > -- chip setup > include 12f1840 > > -- Internal oscillator at 8 MHz with PLL enabled -> 32 MHz > pragma target clock 32_000_000 -- oscillator frequency > > pragma target OSC INTOSC_NOCLKOUT -- internal oscillator > pragma target WDT DISABLED -- watchdog off > pragma target PWRTE ENABLED -- power up delay > pragma target MCLR EXTERNAL -- reset externally > pragma target BROWNOUT DISABLED -- no brownout > pragma target CLKOUTEN DISABLED -- no clock out > pragma target IESO DISABLED -- no osc switchover > pragma target FCMEN DISABLED -- no clock monitoring > pragma target PLLEN ENABLED -- PLL enabled > pragma target LVP DISABLED -- allow LVP > > OSCCON_IRCF = 0b1110 -- 8 MHz (+ PLL -> 32 MHz) > OSCCON_SCS = 0b00 -- Clock determined by fuses > -- OSCCON_PLLEN = TRUE -- PLL fixed enabled by > configuration bits > > enable_digital_io() -- all pins digital > > const byte ADC_CHANNEL = 2 -- potmeter connected to > pin_AN3 > ADCON0_CHS2 = TRUE -- port 3 is analog input > (default) > pin_AN2_direction = input > -- Step 2: Set VDD and VSS as Vref > FVRCON_FVREN = true > -- Step 3: Use Frc as ADC clock > ANSEL_ADCS = 0b011 > const ADC_RSOURCE = 4_700 -- Input resistance: 4.7K > potmeter > -- Now we can include the library > include adc > -- And initialize the whole with our parameters > adc_init() > var byte DIR > forever loop > DIR = adc_read_low_res(ADC_CHANNEL) > end loop > > -- > You received this message because you are subscribed to the Google Groups > "jallib" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jallib/17f8ecc8-484d-4763-aa30-fa7b15395f64n%40googlegroups.com > > <https://groups.google.com/d/msgid/jallib/17f8ecc8-484d-4763-aa30-fa7b15395f64n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "jallib" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jallib/74b8677d-9ba3-430f-846f-1d8367de941bn%40googlegroups.com.
