Controlling the pins of 150 MHz RISC-V development board without an operating system is significant step toward developing hardware. In this video walkthrough, we will look at one way to do this using SiFive FE310-G002 development kits, and SiFive's Freedom Metal library. There is quite a bit of code here, so see the links before examples you can copy.

RISC-V is short for (Reduced Instruction Set Architecture Five).

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Part Numbers Used:
* Sparkfun DEV-15799 (featured here)
* Sparkfun DEV-15594
* Red LED, 3 mm
* Green LED, 3 mm
* 1k Resistor, Carbon Film 5 % (total=2)
* Solderless Breadboard
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Timeline:
0:52 - Objectives
1:36 - Schematic
2:57 - Programming
6:07 - Pin Numbering System
7:20 - metal_gpio_get_device
7:42 - metal_gpio_enable_output
7:55 - metal_gpio_disable_pinmux
8:25 - metal_gpio_set_pin
11:04 - Adjusting delay_us
11:30 - Closing Remarks
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Notice of Non-Affiliation and Disclaimer: As of the publication date, we are not affiliated with, associated with, authorized by, endorsed by, compensated by, or in any way officially connected with the RISC-V Foundation, SiFive, Sparkfun Electronics, ARM Holdings, Microchip Technology Inc., NXP, TSMC, or Microsoft, or their owners, subsidiaries or affiliates. The names RISC-V, SiFive, PIC, AVR, Arm, Kinetis, Freedom Studio, Freedom E310 (FE310), Sparkfun Electronics, RedBoard, RED-V, ARM, and Microsoft, as well as related names, marks, emblems, and images are trademarks of their respective owners.

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