[video member=miotatsu stream_platform=twitch project=riscy title="Confusion over our PWM signals" vod_platform=youtube id=df9aLCHrBPI annotator=Miblo]
[0:08][Recap and set the stage for the day]
[0:47][Outline the confusion surrounding the apparently inverted pulse-width modulation of the LED][:peripheral]
[3:24][Refresh ourselves on Generating PWM Waveforms[ref
    site="SiFive Developers"
    page="Platform Reference Manual"
    url=https://www.sifive.com/documentation/freedom-soc/freedom-e300-platform-reference-manual/]][:research]
[9:28][The PWM waveform our code generates for the green signal in PWM_CMP1][:blackboard :peripheral :research]
[18:15][Consult the code for the blue and red channels][:peripheral :research]
[22:08][Consult LED datasheets for the HiFive1[ref
    site="SiFive Developers"
    page="SiFive HiFive1 Getting Started Guide"
    url=https://static.dev.sifive.com/dev-kits/hifive1/hifive1-getting-started-v1.0.3.pdf][ref
    site="SiFive Developers"
    page="HiFive1 Schematics"
    url=https://www.sifive.com/documentation/boards/hifive1/hifive1-schematics]][:research]
[27:55][Consult the datasheets for other LED :peripheral[ref
    site=Worldsemi
    page="WS2812B: Intelligent control LED integrated light source"
    url=https://www.parallax.com/sites/default/files/downloads/28085-WS2812B-RGB-LED-Datasheet.pdf][ref
        site="China Young Sun LED Technology Co., Ltd."
        page="YSL-R596CR3G4B5C-C10"
        url=https://www.sparkfun.com/datasheets/Components/YSL-R596CR3G4B5C-C10.pdf]][:peripheral :research]
[35:46][Read about driving LEDs[ref
    site=STMicroelectronics
    page="Generating multicolor light using RGB LEDs"
    url=http://www.st.com/resource/ja/application_note/cd00157323.pdf]][:peripheral :research]
[42:26][Read about software brightness modulation[ref
    site=STMicroelectronics
    page="Generating multicolor light using RGB LEDs"
    url=http://www.st.com/resource/ja/application_note/cd00157323.pdf]][:peripheral :research]
[45:20][Read about Color control - software modulation[ref
    site=STMicroelectronics
    page="Generating multicolor light using RGB LEDs"
    url=http://www.st.com/resource/ja/application_note/cd00157323.pdf]][:peripheral :research]
[52:02][Determine to ask on the forums what's going on with the LEDs]
[55:23][Thanks]
[/video]
