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30 Commits (01a2ab375610f58d5c562b794453b18585e25881)

Author SHA1 Message Date
Leah Rowe 5b59490928 util/spkmodem_recv: Use pledge but only on OpenBSD 
It will only be used on OpenBSD. Other operating
systems will behave in the same way.

Pledge is feature specific to OpenBSD that
restricts system operations, for security:

https://man.openbsd.org/pledge.2

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 25241ae222 util/spkmodem_recv: Add -u flag (no line buffer) 
printf outputs to stdout, which is line buffered
by default.

Adding a -u option to disable buffering.

Exit when a non-support flag is given, but adhere
to current behaviour when no flag is given.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 01fdfa3ab6 util/spkmodem_recv: Tidy up global variables 
They do not need to be initialised zero, because
global variables are always zero by default,
unless set differently by the programmer.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 50b35939de util/spkmodem_recv: Make pulse variable global 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 14190de9e8 util/spkmodem_recv: Use parentheses on comparisons 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe c0f2bf3077 util/spkmodem_recv: Move global variable: pulse 
It is only used by a single function.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 5d03598b99 util/spkmodem_recv: Purge unused global: amplitude 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 63e43819b3 util/spkmodem_recv: Remove unused variable: pos 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe a0abcb9f53 util/spkmodem_recv: Re-order functions for clarity 
print_char() is referenced last, so declare it last.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 93cc664254 util/spkmodem_recv: Handle output in new function 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 27866e65fb util/spkmodem_recv: Re-order prototypes 
Put them in the same order as declared.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 8b851258e2 util/spkmodem_recv: Rename functions for clarity 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 6c1bf756d3 util/spkmodem_recv: Return errno in main 
This is a good general practise, to catch errors.

Any errors found can then be handled in code.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe c23806e1f6 util/spkmodem_recv: Use correct printf specifier 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 0cc23b2363 util/spkmodem_recv: Add error handling 
There was literally no error handling before.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 179323819b util/spkmodem_recv: Move logic out of main 
Main should only be a skeletal structure.

Actual logic should always be handled externally.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 3d55429443 util/spkmodem_recv: Rename variable for clarity 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 697ae5e2ca util/spkmodem_recv: Remove use of static keyword 
It is entirely superfluous in this program.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 2c12e70cfe util/spkmodem_recv: Rename variable for clarity 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 5b6f5cb06b util/spkmodem_recv: Remove space in function calls 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe abc5cfd38c util/spkmodem_recv: Say frame in English 
Source code should be written in English.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe e286470432 util/spkmodem_recv: Top-down logic (main on top) 
Add the appropriate prototype.

Top-down function order is easier to read.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 3722c1e67a util/spkmodem_recv: simplified pulse check 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 88683b767b util/spkmodem_recv: Define argc/argv in main 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 83b34e2f48 util/spkmodem_recv: Reduced indentation in loop 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 22633e0dc0 util/spkmodem_recv: Use tabs for indentation 
The GNU indentation style is hard to read.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 9152d0f939 util/spkmodem_recv: Add clean to the Makefile 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe 754410f2af util/spkmodem_recv: Define CC in the Makefile 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe f2887e9b45 util/spkmodem_recv: Add strict CFLAGS 
Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:11:35 +01:00
Leah Rowe b496ead7b3 util/spkmodem_recv: Import from coreboot 
Imported from util/spkmodem_recv at coreboot
revision:

e70bc423f9a2e1d13827f2703efe1f9c72549f20

This is a client for spkmodem, to allow serial
console via PC speaker.

I've decided to import it in lbmk, because I
heavily modified it. The patches will be
applied next.

Signed-off-by: Leah Rowe <leah@libreboot.org>
 2023-05-16 23:09:42 +01:00