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PWM & The LED Fade Demo (1/2)

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SiFive Developers
Platform Reference Manual
[1]0:36[2]6:46[3]16:20
[4]22:39[5]30:43[6]40:33
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Mio Iwakura
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0:06Recap and set the stage for the day
0:06Recap and set the stage for the day
0:06Recap and set the stage for the day
0:36Read about the PWM Compare Registers1
0:36Read about the PWM Compare Registers1
0:36Read about the PWM Compare Registers1
6:46Consult the diagram and text on Generating Left- or Right-Aligned PWM Waveforms2
6:46Consult the diagram and text on Generating Left- or Right-Aligned PWM Waveforms2
6:46Consult the diagram and text on Generating Left- or Right-Aligned PWM Waveforms2
10:28Summarise how the counter works in the PWM compare register
10:28Summarise how the counter works in the PWM compare register
10:28Summarise how the counter works in the PWM compare register
16:20Continue reading about left- and right-aligned waveform generation3
16:20Continue reading about left- and right-aligned waveform generation3
16:20Continue reading about left- and right-aligned waveform generation3
22:39Consult the circuit diagram for the E300 PWM Peripheral4 to try and determine what's creating the waveform output
22:39Consult the circuit diagram for the E300 PWM Peripheral4 to try and determine what's creating the waveform output
22:39Consult the circuit diagram for the E300 PWM Peripheral4 to try and determine what's creating the waveform output
29:58Note that having XOR for GPIOs built in to the hardware is a convenient way to make left-aligned waveforms
29:58Note that having XOR for GPIOs built in to the hardware is a convenient way to make left-aligned waveforms
29:58Note that having XOR for GPIOs built in to the hardware is a convenient way to make left-aligned waveforms
30:43Consult the table of pwms and pwmscenter values, and read about Generating Center-Aligned (Phase-Correct) PWM Waveforms5
30:43Consult the table of pwms and pwmscenter values, and read about Generating Center-Aligned (Phase-Correct) PWM Waveforms5
30:43Consult the table of pwms and pwmscenter values, and read about Generating Center-Aligned (Phase-Correct) PWM Waveforms5
40:33Read about Generating Arbitrary PWM Waveforms using Ganging, Generating One-shot Waveforms, and PWM Interrupts6
40:33Read about Generating Arbitrary PWM Waveforms using Ganging, Generating One-shot Waveforms, and PWM Interrupts6
40:33Read about Generating Arbitrary PWM Waveforms using Ganging, Generating One-shot Waveforms, and PWM Interrupts6
44:35Consult led_fade.c for how it sets up the RGB PWM, with a few words on light receptors in the human eye
44:35Consult led_fade.c for how it sets up the RGB PWM, with a few words on light receptors in the human eye
44:35Consult led_fade.c for how it sets up the RGB PWM, with a few words on light receptors in the human eye