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  • ossi's Avatar
    10-20-2019, 01:12 PM
    @vjmuzik: Your link was of great help! I did not read/write the registers with the right size (32,16,8 bit). Now it works. @manitou: I know that I can use the names for the periperals, but I wanted to access them...
    3 replies | 96 view(s)
  • ossi's Avatar
    10-20-2019, 12:02 PM
    On the Teensy 3.6 the register CMT_PPS has the address 0x4006200A according to the datasheet. How can I access the CMT_PPS register using this address?
    3 replies | 96 view(s)
  • ossi's Avatar
    10-19-2019, 11:57 AM
    I want to directly access timer-registers on the teensy36. If I remove the two lines showHex(...) the program runs (prints every 0.5 seconds a ever increasing number). If I want to access then _SC registers the...
    0 replies | 45 view(s)
  • ossi's Avatar
    10-12-2019, 10:08 AM
    I want to toggle directly the LED pin (pin 13) without using any library routines or any predifined constants. Has someone an example? Is it right that the pin13-toggle is on port 401B8000+4000+8C on the Teensy 40 and...
    1 replies | 75 view(s)
  • ossi's Avatar
    10-07-2019, 08:14 AM
    @DerekR: Thanks for your hint. My sawtooth has 1.4Hz and a 2u2+10k highpass has 7Hz cutoff frequency. So my frequency is too low. If I increase the sawtooth frequency to 100Hz everything is ok!
    2 replies | 104 view(s)
  • ossi's Avatar
    10-06-2019, 05:00 PM
    I generate a sawtooth waveform and output it via the SGTL5000 Audio Board (see code below). The LineOut output seems to have a quite large impedance. When I connect the output pin with ground via a 10k resistor the...
    2 replies | 104 view(s)
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Direct register access using address 10-20-2019 01:12 PM
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