sorry if you already said this but what platform are you using? also a schematic of your circuit would be interesting even being so simple
On Sun, Dec 20, 2015 at 3:18 AM, Josh <k1llfre...@hotmail.co.uk> wrote: > Thought it might be a firmware problem or something, so I just re-flashed > the firmware but it's still happening, just eliminating possibilities. Also > the second of my last emails was the correct one, I canceled the previous > but it sent anyways. Thanks. > > > On 19/12/15 12:50, Josh wrote: > > I have put the main code onto the sd card and I use the shell to call the > function prog-loop. The light just stays on. I've had this problem before > with the example blink program, if I change any of it to make it shorter by > using shorter function names like (de low () (pio-pin-setlow 'PB_29)) it > doesn't work, but it does when it's just (pio-pijn-setlow 'PB_29). I don't > really know what's going on, but it's starting to get irritating. > On 19/12/15 03:45, Raman Gopalan wrote: > > > Dear Josh, greetings! > > Firstly, great to know you're playing with your board! Perfect! > > > Why does this small amount of code not make the onboard LED flash? > > I think you're not providing enough delay for you to see the off state > of the LED. Why don't you try this? I've just inserted an additional > delay. > > (pio-pin-setdir *pio-output* 'PB_29) > (pio-pin-sethigh 'PB_29) > > (loop > (pio-pin-setlow 'PB_29) > (tmr-delay 0 100000) > (pio-pin-sethigh 'PB_29) > (tmr-delay 0 100000) ) > > > Any ideas? Also this example on the hempl wiki book: > > This example doesn't blink the on-board LED. It just reads the status > of an input pin (SW-1 I think; the one near the voltage regulator) and > turns the blue LED on when this input switch is pressed. > > > # And now, the main loop > > (de prog-loop () > > (init-pins) > > (loop > > (if (= 0 (pio-pin-getval button)) > > (pio-pin-setlow led) > > (delay 100000) > > (pio-pin-sethigh led) > > (delay 100000) ) ) ) > > Please copy the example on your micro-SD card and point picolisp in > the direction of this file. If this doesn't happen, something strange > is happening. We can then debug. But I'm almost certain it'll work :) > > Hempl# picolisp /mmc/user-button.l > > R > > P.S. You may also use the internal transient symbol `*tmr-sys-timer*' > in the function tmr-delay. I think it uses a hardware PWM channel to > generate the time (can't remember which; I'll have to see the sources > again). That makes the timing accurate. > > > On 18 December 2015 at 22:08, Josh <k1llfre...@hotmail.co.uk > <k1llfre...@hotmail.couk>> wrote: > >> Why does this small amount of code not make the onboard LED flash? >> (pio-pin-setdir *pio-output* 'PB_29) >> (pio-pin-sethigh 'PB_29) >> (loop (pio-pin-setlow 'PB_29) >> (tmr-delay 0 100000) >> (pio-pin-sethigh 'PB_29)) >> All that happens in the blue LED turns on and stays on, even though the >> code clearly says for it to go from high to low repeatedly. Any ideas? Also >> this example on the hempl wiki book: >> >> # A simple program which demonstrates >> # the usage of user-buttons. >> # declare pins >> (setq led 'PB_29 button 'PX_16) >> >> # a simple delay function >> (de delay (t) >> (tmr-delay 0 t) ) >> >> # make sure the LED starts in >> # the "off" position and enable >> # input/output pins >> (de init-pins () >> (pio-pin-sethigh led) >> (pio-pin-setdir *pio-output* led) >> (pio-pin-setdir *pio-input* button) ) >> >> # And now, the main loop >> (de prog-loop () >> (init-pins) >> (loop >> (if (= 0 (pio-pin-getval button)) >> (pio-pin-setlow led) >> (delay 100000) >> (pio-pin-sethigh led) >> (delay 100000) ) ) ) >> >> (prog-loop) >> >> Doesn't make the LED flash it just stays on. >> >> -- >> UNSUBSCRIBE: mailto:picolisp@software-lab.de?subject=Unsubscribe >> > > > > -- Andrés *~ La mejor manera de librarse de la tentación es caer en ella**. ~ Oscar Wilde* ~
