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keychron_qmk_firmware/keyboards/fc660c
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James Young a03aa301de
Remove Full Bootmagic (#13846) 
* disambiguate Bootmagic rules in keymaps

The files edited by this commit were added at a point in time where `BOOTMAGIC_ENABLE = yes` enabled full Bootmagic.

This commit edits the files to specify that full Bootmagic is intended.

* remove BOOTMAGIC_ENABLE=full setting

* unify commented BOOTMAGIC_ENABLE rules in keyboards

Explicitly sets `BOOTMAGIC_ENABLE = no` in keyboards where the rule was commented out.

Command:

```
find keyboards/ -type f -name 'rules.mk' -and -not -path '*/keymaps/*' -exec sed -i -e 's;#[ \t]*\(BOOTMAGIC_ENABLE\)[ \t=]\+\([a-zA-Z]\+\).*;\1 = no       # Virtual DIP switch configuration;g' {} +
```

* remove commented Bootmagic rules from keymap/user level

Command:

```
find keyboards/ layouts/ users/ -type f -name 'rules.mk' -exec sed -i -e '/#.*\(BOOTMAGIC_ENABLE\)[ \t=]\+\([a-z]\+\).*/d' {} +
```

* update keyboard BOOTMAGIC_ENABLE rule formatting

Sets the formatting of BOOTMAGIC_ENABLE rules to `BOOTMAGIC_ENABLE = [value]`, without the inline comments (which will be replaced later).

Command:

```
find keyboards/ -type f -name 'rules.mk' -and -not -path '*/keymaps/*' -exec sed -i -e 's;\(BOOTMAGIC_ENABLE\)[ \t=]\+\([a-z]\+\).*;\1 = \2;g' '{}' +
```

* update keyboards' BOOTMAGIC_ENABLE settings

Updates keyboard `rules.mk` files to use `BOOTMAGIC_ENABLE = lite` where `BOOTMAGIC_ENABLE = full` was being used.

Command:

```
find keyboards/ -type f -name 'rules.mk' -and -not -path '*/keymaps/*' -exec sed -i -e 's;\(BOOTMAGIC_ENABLE = \)full;\1lite;g' '{}' +
```

* update keymap/user BOOTMAGIC_ENABLE settings

Updates keymap/user `rules.mk` files to use `BOOTMAGIC_ENABLE = lite` where `BOOTMAGIC_ENABLE = full` was being used.

Commands:

```
find keyboards/ -type f -name 'rules.mk' -and -path '*/keymaps/*' -exec sed -i -e 's;\(BOOTMAGIC_ENABLE[ \t=]\+\)full;\1lite;g' '{}' +
find layouts/community/ users/ -type f -name 'rules.mk' -exec sed -i -e 's;\(BOOTMAGIC_ENABLE[ \t=]\+\)full;\1lite;g' '{}' +
```

* remove and replace inline comments in keyboards and keymap/user files

Removes and replaces the inline comments, which have been updated to read `Enable Bootmagic Lite`.

Commands:

```
find keyboards/ -type f -name 'rules.mk' -and -path '*/keymaps/*' -exec sed -i -e 's;\(BOOTMAGIC_ENABLE\)[ \t=]\+\([a-z]\+\).*;\1 = \2;g' '{}' +
find layouts/community/ users/ -type f -name 'rules.mk' -exec sed -i -e 's;\(BOOTMAGIC_ENABLE\)[ \t=]\+\([a-z]\+\).*;\1 = \2;g' '{}' +
find keyboards/ layouts/community/ users/ -type f -name 'rules.mk' -exec sed -i -e 's;\(BOOTMAGIC_ENABLE = lite\);\1     # Enable Bootmagic Lite;g' '{}' +
find keyboards/ layouts/community/ users/ -type f -name 'rules.mk' -exec sed -i -e 's;\(BOOTMAGIC_ENABLE = yes\);\1      # Enable Bootmagic Lite;g' '{}' +
find keyboards/ layouts/community/ users/ -type f -name 'rules.mk' -exec sed -i -e 's;\(BOOTMAGIC_ENABLE = no\);\1       # Enable Bootmagic Lite;g' '{}' +
```

* rename improperly named makefiles

Some files intended to be used as makefiles had improper names causing them to not be used as intended when building.

This commit corrects the filenames of the affected files.

* update renamed file with new rule formatting

* update QMK's template files

Updates QMK's `rules.mk` templates to use the new inline comment.

* update QMK Docs

- remove documentation of full Bootmagic
- update links to Bootmagic Lite doc
- add doc for Magic Keycodes

* rules.mk patch for coarse/ixora and coarse/vinta
2021-08-06 23:59:56 -07:00
..
keymaps
actuation_point.c
actuation_point.h
config.h
fc660c.c
fc660c.h
i2c.c
i2c.h
info.json
matrix.c
readme.md
rules.mk Remove Full Bootmagic (#13846) 2021-08-06 23:59:56 -07:00

readme.md

FC660C Alt Controller

This file and the entire QMK port of this board are based on its TMK implementation: https://github.com/tmk/tmk_keyboard/tree/master/keyboard/fc980c

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

make fc660c:default

See build environment setup then the make instructions for more information.

To flash the firmware, press the reset button on the controller and run:

sudo make fc660c:default:dfu

Thread on Geekhack: https://geekhack.org/index.php?topic=88439.0

Also: https://geekhack.org/index.php?topic=88720.0

Actuation Point adjustment

You can adjust the actuation point of the keys by setting ACTUATION_DEPTH_ADJUSTMENT in config.h. A value above 0 will result in a deeper, less sensitive actuation whereas a value above 1 will result in a more shallow, more sensitive actuation. Be careful with this setting and use small values (+/-5). See the actuation-point-example keymap of the fc980c keyboard for an example. For more information, inspect the fc660c_i2c branch of TMK here. Functionality for writing to the EEPROM has deliberately not been included to reduce the chance of people messing up their boards.

Pinouts

|Switch  |Controller |
|  board |     board |Description                           |Schematic  |ATmega32u4
|--------|-----------|--------------------------------------|-----------|------------
| 1      |20         | FG                                   |FG         |GND
| 2      |19         | GND                                  |GND        |GND
| 3      |18         | GND                                  |GND        |GND
| 4      |17         | 3.3V                                 |V33        |3.3V/5V
| 5      |16         | 5V                                   |Vcc        |5V
| 6      |15         |*Z6-TP1684-4-HYS(o)                   |FBSTB      |PC7
| 7      |14         |*Z6-TP1684-2-KEY(i)                   |OUT        |PC6
| 8      |13         |*Z2-AD5258-5-SCL(I2C)                 |SCL        |PD0(TWI)
| 9      |12         |*Z2-AD5258-4-SDA(I2C)                 |SDA        |PD1(TWI)
|10      |11         |*Z4-LV4051A-6-~EN(Col 0-7)            |INH_1      |PB4
|11      |10         |*Z5-LV4051A-6-~EN(Col 8-F)            |INH_2      |PB3
|12      | 9         |+Z7-LV07A-5 (LV4051A-9-C)             |SEL_C      |PB2
|13      | 8         |+Z7-LV07A-1 (LV4051A-10-B)            |SEL_B      |PB1
|14      | 7         |+Z7-LV07A-3 (LV4051A-11-A)            |SEL_A      |PB0
|15      | 6         |+Z3-LVC138A-3-C                       |COL4       |PD6
|16      | 5         |+Z3-LVC138A-2-B                       |COL3       |PD5
|17      | 4         |+Z3-LVC138A-1-A                       |COL2       |PD4
|18      | 3         |+Z3-LVC138A-4-~G2A  Z6-TP1684-5-~EN   |COL1       |PD7
|19      | 2         |+Z7-LV07A-11-~InsertLED               |LED1       |PB5
|20      | 1         |+Z7-LV07A-13-~CapsLED                 |LED2       |PB6

* 5V intferface
+ 3.3V interface

Key Matrix

Row5-7 have no key, you can omit scaning on those lines. Topre original controller scans those rows for some reason.

|    |0   |1   |2   |3   |4   |5   |6   |7   |8   |9   |A   |B   |C   |D   |E   |F   |
|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|
|   0|Q   |W   |E   |Tab |R   |U   |T   |Y   |O   |P   |[   |I   |]   |    |\   |Del |
|   1|1   |2   |3   |Esc |4   |7   |5   |6   |9   |0   |-   |8   |=   |    |BSpc|Ins |
|   2|    |LWin|LAlt|LCtl|    |    |    |Spc |RAlt|    |RCtl|    |Fn  |Down|Left|Rght|
|   3|    |Z   |X   |LSft|C   |N   |V   |B   |,   |.   |/   |M   |RSft|Up  |    |    |
|   4|A   |S   |D   |Caps|F   |J   |G   |H   |L   |;   |'   |K   |    |    |Entr|    |
|   5|    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
|   6|    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |
|   7|    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |    |

Logic analyzer pics:

This code emuluates what original cotnroller does for matrix scan.

Row designation

LV138A(Z3) selects a row line and gives strobe by enabling with ~G2A(18).

|Row |A/17|B/16|C/15|
|----|----|----|----|
|0   |0   |0   |0   |
|1   |1   |0   |0   |
|2   |0   |1   |0   |
|3   |1   |1   |0   |
|4   |0   |0   |1   |
|5   |1   |0   |1   |
|6   |0   |1   |1   |
|7   |1   |1   |1   |

Column designation

LV4051A(Z4, Z5) select one of 16 column lines to sense capacitance of switches.

|Col |A/14|B/13|C/12|Z4-EN/10|Z5-EN/11|
|----|----|----|----|--------|--------|
|0   |0   |0   |0   |0       |1       |
|1   |1   |0   |0   |0       |1       |
|2   |0   |1   |0   |0       |1       |
|3   |1   |1   |0   |0       |1       |
|4   |0   |0   |1   |0       |1       |
|5   |1   |0   |1   |0       |1       |
|6   |0   |1   |1   |0       |1       |
|7   |1   |1   |1   |0       |1       |
|8   |0   |0   |0   |1       |0       |
|9   |1   |0   |0   |1       |0       |
|A   |0   |1   |0   |1       |0       |
|B   |1   |1   |0   |1       |0       |
|C   |0   |0   |1   |1       |0       |
|D   |1   |0   |1   |1       |0       |
|E   |0   |1   |1   |1       |0       |
|F   |1   |1   |1   |1       |0       |

FCC documents

https://fccid.io/RPKFC660C

Datasheets

3.3V power supply

LV07A and LVC138A are 5V-tolerant and can be powered with 5V, the keyboard will work only with 5V power supply. It may not be completely safe to operate LV138A with 5V Vcc, its datasheet says:

Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

Digipot AD5258

Controller can operate AD5258 via I2C to change actuation point of keys. This may make keyboard unusable accidentally and it will be difficult to recovery in some situation. For safety firmware doesn't support it at this point, though.

Lower value of RDAC register causes shallower actuation point.

Resources