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Jeff Epler 9632360caa
Use a macro to compute the size of arrays at compile time (#18044)
* Add ARRAY_SIZE and CEILING utility macros

* Apply a coccinelle patch to use ARRAY_SIZE

* fix up some straggling items

* Fix 'make test:secure'

* Enhance ARRAY_SIZE macro to reject acting on pointers

The previous definition would not produce a diagnostic for
```
int *p;
size_t num_elem = ARRAY_SIZE(p)
```
but the new one will.

* explicitly get definition of ARRAY_SIZE

* Convert to ARRAY_SIZE when const is involved

The following spatch finds additional instances where the array is
const and the division is by the size of the type, not the size of
the first element:
```
@ rule5a using "empty.iso" @
type T;
const T[] E;
@@

- (sizeof(E)/sizeof(T))
+ ARRAY_SIZE(E)

@ rule6a using "empty.iso" @
type T;
const T[] E;
@@

- sizeof(E)/sizeof(T)
+ ARRAY_SIZE(E)
```

* New instances of ARRAY_SIZE added since initial spatch run

* Use `ARRAY_SIZE` in docs (found by grep)

* Manually use ARRAY_SIZE

hs_set is expected to be the same size as uint16_t, though it's made
of two 8-bit integers

* Just like char, sizeof(uint8_t) is guaranteed to be 1

This is at least true on any plausible system where qmk is actually used.

Per my understanding it's universally true, assuming that uint8_t exists:
https://stackoverflow.com/questions/48655310/can-i-assume-that-sizeofuint8-t-1

* Run qmk-format on core C files touched in this branch

Co-authored-by: Stefan Kerkmann <karlk90@pm.me>
3 years ago
..
blackpill_f401 Merge remote-tracking branch 'origin/master' into develop 3 years ago
blackpill_f411 Merge remote-tracking branch 'origin/master' into develop 3 years ago
blackpill_f411_tinyuf2 Merge remote-tracking branch 'origin/master' into develop 3 years ago
bluepill Merge remote-tracking branch 'origin/master' into develop 3 years ago
bluepill_f103c6 Move keyboard USB IDs and strings to data driven: develop (#18152) 3 years ago
elite_c Merge remote-tracking branch 'origin/master' into develop 3 years ago
evb_wb32f3g71 Merge remote-tracking branch 'origin/master' into develop 3 years ago
evb_wb32fq95 Merge remote-tracking branch 'origin/master' into develop 3 years ago
kb2040 Move keyboard USB IDs and strings to data driven: develop (#18152) 3 years ago
keymaps Use a macro to compute the size of arrays at compile time (#18044) 3 years ago
nucleo_l432kc Merge remote-tracking branch 'origin/master' into develop 3 years ago
promicro Merge remote-tracking branch 'origin/master' into develop 3 years ago
proton_c Merge remote-tracking branch 'origin/master' into develop 3 years ago
rp2040 Move keyboard USB IDs and strings to data driven: develop (#18152) 3 years ago
sipeed_longan_nano Merge remote-tracking branch 'origin/master' into develop 3 years ago
stm32f0_disco Merge remote-tracking branch 'origin/master' into develop 3 years ago
stm32f405_feather Merge remote-tracking branch 'origin/master' into develop 3 years ago
teensy_2 Merge remote-tracking branch 'origin/master' into develop 3 years ago
teensy_2pp Merge remote-tracking branch 'origin/master' into develop 3 years ago
teensy_32 Merge remote-tracking branch 'origin/master' into develop 3 years ago
teensy_35 Move keyboard USB IDs and strings to data driven: develop (#18152) 3 years ago
teensy_lc Merge remote-tracking branch 'origin/master' into develop 3 years ago
config.h Merge remote-tracking branch 'origin/master' into develop 3 years ago
info.json Move keyboard USB IDs and strings to data driven, pass 2: handwired (#18079) 3 years ago
onekey.c [Core] Add Raspberry Pi RP2040 support (#14877) 3 years ago
onekey.h
readme.md
rules.mk

readme.md

onekey

Custom handwired one key keyboard. See each individual board for pin information.

  • Keyboard Maintainer: QMK Community
  • Hardware Supported: Blackpill F401/F411, Bluepill, Elite-C, Pro Micro, Proton C, Sipeed Longan Nano, STM32F0 Disco, Teensy 2.0, Teensy++ 2.0, Teensy LC, Teensy 3.2
  • Hardware Availability: n/a

Make example for this keyboard (after setting up your build environment):

make handwired/onekey:default

Flashing example for this keyboard:

make handwired/onekey:default:flash

See the build environment setup and the make instructions for more information. Brand new to QMK? Start with our Complete Newbs Guide.