Raspberry Pi Pico Lecture 3: Timers, timer interrupts, SPI
0:00 - Administrivia
1:15 - Review and lecture goals
4:40 - How to use technical documentation
6:50 - What the example does
8:25 - Includes
11:15 - Macros for parameter values, and declaring some variables
15:15 - Associating GPIO’s with internal SPI signals
18:05 - Initializing stdio
19:15 - Initializing and formatting the SPI channel
23:50 - Brief explanation of SPI communication, with DAC as case study
32:50 - Configuring GPIO functions
34:50 - The 64 bit Timer
39:20 - Timer Alarm registers and interrupts
40:50 - Other timing resources on the RP2040
42:30 - Hardware interface library for the timer
44:01 - Higher level pico_time library and repeating timer interrupts
45:10 - Alarm pools
47:30 - Repeating timers
48:05 - Reiterating timer levels of abstraction
49:50 - Creating a repeating timer in code
Fall, 2022 lectures from ECE 4760 (Digital Systems Design Using Microcontroller) at Cornell University.
Course site:
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