Jason Xu 9c5c2813a0 Update QEMU command in all README and Makefile		2 years ago
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Makefile	426205e2a3 Added makefiles for LLVM Clang	5 years ago
Makefile.clang	9c5c2813a0 Update QEMU command in all README and Makefile	2 years ago
Makefile.gcc	9c5c2813a0 Update QEMU command in all README and Makefile	2 years ago
OLVASSEL.md	7ace64ba9f Initial commit	6 years ago
README.md	7ace64ba9f Initial commit	6 years ago
gpio.h	7ace64ba9f Initial commit	6 years ago
kernel8.img	b9e94a8303 Ensure enough entropy available when reading from hardware random generator	4 years ago
link.ld	7ace64ba9f Initial commit	6 years ago
main.c	7ace64ba9f Initial commit	6 years ago
mbox.c	214885df63 compute the mailbox cmd only once	6 years ago
mbox.h	7ace64ba9f Initial commit	6 years ago
rand.c	b9e94a8303 Ensure enough entropy available when reading from hardware random generator	4 years ago
rand.h	7ace64ba9f Initial commit	6 years ago
start.S	ea4691947c Improve comments wrt stack setup	3 years ago
uart.c	c59ad439f4 Enable UART0 FIFOs	3 years ago
uart.h	7ace64ba9f Initial commit	6 years ago

Tutorial 06 - Hardware Random Number Generator

This going to be an easy tutorial. We query a number from the (undocumented) hardware random number generator. You can use this to implement a simple, but accurate dice throw in any game. It is important as without hardware support you can only generate pseudo-random numbers.

Rand.h, rand.c

rand_init() initializes the hardware.

rand(min,max) returns a random number between min and max.

Main

We query a random value and then we display it on the serial console.

README.md

Tutorial 06 - Hardware Random Number Generator

Rand.h, rand.c

Main