Chopstx 1.19 / Chopstx 2.2

[NIIBE Yutaka]

Hello,

Chopstx 1.19 is released.

	tag release/1.19
	Tagger: NIIBE Yutaka <gniibe at fsij.org>
	Date:   Thu Feb 18 11:04:09 2021 +0900
	commit 71cc5a8f32e0b037def54530fb85c0cda0c5c4e7

This release is from STABLE-BRANCH-1 branch.

Major change is only for GNU/Linux emulation.  Backported from master,
now, it supports AckBtn driver, and its (fake)ADC driver uses
getrandom(2).


Chopstx 2.2 is released (2.1 was not announced).

	tag release/2.2
	Tagger: NIIBE Yutaka <gniibe at fsij.org>
	Date:   Fri Feb 26 09:17:27 2021 +0900
	commit 5a3a3e98d4cde3e5f613e4740805cd5a101ae22b

This release is from master branch.

2.0 was buggy (and 2.1 too), it only worked well with Sipeed Longan nano
(GD32VF103).

Major changes for Cortex-M0/M3/M4 are adoption of GCC option of
-masm-syntax-unified, and no use of PendSV any more.  After 10 years of
experience, I learned about difference between old and new syntax of ARM
asm.  (It is quite confusing.)

In GNU/Linux emulation, it supports AckBtn driver (using terminal), and
its (fake)ADC driver uses getrandom(2).
--