RISCY BUSINESS Episode Guide

Day 001: Mystery Unboxing!

Day 002: Getting the HiFive1 Working

Day 003: Programming the HiFive1

Day 004: Exploring the Freedom E SDK

Day 005: Understanding read_csr(mhartid)

Day 006: Studying the PLIC

Day 007: Understanding PLIC_Init & PLIC_set_threshold

Day 008: Bit Twiddling Confusion

Day 009: Understanding the Rest of the PLIC Driver & RTC_FREQUENCY

Day 010: Studying GNU Assembler Syntax

Day 011: Studying RISC-V Instruction Encoding

Day 012: Ripple Carry Adders & Two's Complement

Day 013: Getting Back to the Code

Day 014: Studying the Machine Interrupt Registers

Day 015: Understanding reset_demo

Day 016: Understanding the Relationship Between the PLIC, mie, and mstatus MIE Bit

Day 017: Studying CLINT

Day 018: Andrew Waterman & Yunsup Lee Interview

Day 019: Investigating handle_m_time_interrupt

Day 020: Studying GPIO & The Config String

Day 021: Exploring the Config String Memory with the HiFive1

Day 022: Fun with Pointers & Printing

Day 023: Searching Raw Memory for Unix Timestamps

Day 024: Reading about GPIO

Day 025: Studying the OTP

Day 026: Studying LED Inversion via GPIO

Day 027: Diving Into Pulse Width Modulation

Day 028: Studying PWM

Day 029.1: PWM & The LED Fade Demo (1/2)

Day 029.2: PWM & The LED Fade Demo (2/2)

Day 030: Studying the LED Fade Demo Code

Day 031: Confusion over our PWM signals

Day 032: Understanding Left & Right Aligned Waveforms

Day 033: Understanding Center Aligned Waveforms & Searching For __atomic_fetch_xor

Day 034: Learning about the UART

Day 035: uart_init, get_cpu_freq, & `static` Legalese

Day 036: BareD, Story Time, & measure_cpu_freq

Day 037: Fun with Fixed Point Math

Day 038: Understanding measure_cpu_freq, get_cpu_freq, & uart_init

Day 039: __wrap_write

Day 040: PRCI

Day 041: Understanding the Perf Demo & Studying AON

Day 042: Reading about the PMU, Backup Regs, & Boot Process

Day 043: More confusion over LEDs

Day 044: LED Fade Demo Review

Day 045: Dhrystone

Day 046: Pure & Utter Insanity (Dhrystone)

Day 047: Studying local-interrupts Demo

Day 048: Studying global-interrupts Demo

Day 049: Writing a PWM Speed Test

Day 050: PWM Speed Test (Cont.)

Day 051: Studying entry.S