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Merge pull request #648 from Vifon/dynamic_macros

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Implement the dynamic macros that are recorded in runtime
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Jack Humbert 2016-08-17 21:17:30 -04:00 committed by GitHub
commit 8144ce8852
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quantum/dynamic_macro.h Normal file
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/* Author: Wojciech Siewierski < wojciech dot siewierski at onet dot pl > */
#ifndef DYNAMIC_MACROS_H
#define DYNAMIC_MACROS_H
#include "action_layer.h"
#ifndef DYNAMIC_MACRO_SIZE
/* May be overridden with a custom value. Be aware that the effective
* macro length is half of this value: each keypress is recorded twice
* because of the down-event and up-event. This is not a bug, it's the
* intended behavior. */
#define DYNAMIC_MACRO_SIZE 256
#endif
/* DYNAMIC_MACRO_RANGE must be set as the last element of user's
* "planck_keycodes" enum prior to including this header. This allows
* us to 'extend' it.
*/
enum dynamic_macro_keycodes {
DYN_REC_START1 = DYNAMIC_MACRO_RANGE,
DYN_REC_START2,
DYN_MACRO_PLAY1,
DYN_MACRO_PLAY2,
};
/* Blink the LEDs to notify the user about some event. */
void dynamic_macro_led_blink(void)
{
backlight_toggle();
_delay_ms(100);
backlight_toggle();
}
/**
* Start recording of the dynamic macro.
*
* @param[out] macro_pointer The new macro buffer iterator.
* @param[in] macro_buffer The macro buffer used to initialize macro_pointer.
*/
void dynamic_macro_record_start(
keyrecord_t **macro_pointer, keyrecord_t *macro_buffer)
{
dynamic_macro_led_blink();
clear_keyboard();
layer_clear();
*macro_pointer = macro_buffer;
}
/**
* Play the dynamic macro.
*
* @param macro_buffer[in] The beginning of the macro buffer being played.
* @param macro_end[in] The element after the last macro buffer element.
* @param direction[in] Either +1 or -1, which way to iterate the buffer.
*/
void dynamic_macro_play(
keyrecord_t *macro_buffer, keyrecord_t *macro_end, int8_t direction)
{
uint32_t saved_layer_state = layer_state;
clear_keyboard();
layer_clear();
while (macro_buffer != macro_end) {
process_record(macro_buffer);
macro_buffer += direction;
}
clear_keyboard();
layer_state = saved_layer_state;
}
/**
* Record a single key in a dynamic macro.
*
* @param macro_pointer[in,out] The current buffer position.
* @param macro_end2[in] The end of the other macro which shouldn't be overwritten.
* @param direction[in] Either +1 or -1, which way to iterate the buffer.
* @param record[in] The current keypress.
*/
void dynamic_macro_record_key(
keyrecord_t **macro_pointer,
keyrecord_t *macro_end2,
int8_t direction,
keyrecord_t *record)
{
if (*macro_pointer + direction != macro_end2) {
**macro_pointer = *record;
*macro_pointer += direction;
} else {
/* Notify about the end of buffer. The blinks are paired
* because they should happen on both down and up events. */
backlight_toggle();
}
}
/**
* End recording of the dynamic macro. Essentially just update the
* pointer to the end of the macro.
*/
void dynamic_macro_record_end(keyrecord_t *macro_pointer, keyrecord_t **macro_end)
{
dynamic_macro_led_blink();
*macro_end = macro_pointer;
}
/* Handle the key events related to the dynamic macros. Should be
* called from process_record_user() like this:
*
* bool process_record_user(uint16_t keycode, keyrecord_t *record) {
* if (!process_record_dynamic_macro(keycode, record)) {
* return false;
* }
* <...THE REST OF THE FUNCTION...>
* }
*/
bool process_record_dynamic_macro(uint16_t keycode, keyrecord_t *record)
{
/* Both macros use the same buffer but read/write on different
* ends of it.
*
* Macro1 is written left-to-right starting from the beginning of
* the buffer.
*
* Macro2 is written right-to-left starting from the end of the
* buffer.
*
* &macro_buffer macro_end
* v v
* +------------------------------------------------------------+
* |>>>>>> MACRO1 >>>>>>| |<<<<<<<<<<<<< MACRO2 <<<<<<<<<<<<<|
* +------------------------------------------------------------+
* ^ ^
* r_macro_end r_macro_buffer
*
* During the recording when one macro encounters the end of the
* other macro, the recording is stopped. Apart from this, there
* are no arbitrary limits for the macros' length in relation to
* each other: for example one can either have two medium sized
* macros or one long macro and one short macro. Or even one empty
* and one using the whole buffer.
*/
static keyrecord_t macro_buffer[DYNAMIC_MACRO_SIZE];
/* Pointer to the first buffer element after the first macro.
* Initially points to the very beginning of the buffer since the
* macro is empty. */
static keyrecord_t *macro_end = macro_buffer;
/* The other end of the macro buffer. Serves as the beginning of
* the second macro. */
static keyrecord_t *const r_macro_buffer = macro_buffer + DYNAMIC_MACRO_SIZE - 1;
/* Like macro_end but for the second macro. */
static keyrecord_t *r_macro_end = r_macro_buffer;
/* A persistent pointer to the current macro position (iterator)
* used during the recording. */
static keyrecord_t *macro_pointer = NULL;
/* 0 - no macro is being recorded right now
* 1,2 - either macro 1 or 2 is being recorded */
static uint8_t macro_id = 0;
if (macro_id == 0) {
/* No macro recording in progress. */
if (!record->event.pressed) {
switch (keycode) {
case DYN_REC_START1:
dynamic_macro_record_start(&macro_pointer, macro_buffer);
macro_id = 1;
return false;
case DYN_REC_START2:
dynamic_macro_record_start(&macro_pointer, r_macro_buffer);
macro_id = 2;
return false;
case DYN_MACRO_PLAY1:
dynamic_macro_play(macro_buffer, macro_end, +1);
return false;
case DYN_MACRO_PLAY2:
dynamic_macro_play(r_macro_buffer, r_macro_end, -1);
return false;
}
}
} else {
/* A macro is being recorded right now. */
switch (keycode) {
case MO(_DYN):
/* Use the layer key used to access the macro recording as
* a stop button. */
if (record->event.pressed) { /* Ignore the initial release
* just after the recoding
* starts. */
switch (macro_id) {
case 1:
dynamic_macro_record_end(macro_pointer, &macro_end);
break;
case 2:
dynamic_macro_record_end(macro_pointer, &r_macro_end);
break;
}
macro_id = 0;
}
return false;
default:
/* Store the key in the macro buffer and process it normally. */
switch (macro_id) {
case 1:
dynamic_macro_record_key(&macro_pointer, r_macro_end, +1, record);
break;
case 2:
dynamic_macro_record_key(&macro_pointer, macro_end, -1, record);
break;
}
return true;
break;
}
}
return true;
}
#endif

43
readme.md
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@ -695,6 +695,49 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
And then, to assign this macro to a key on your keyboard layout, you just use `M(0)` on the key you want to press for copy/paste. And then, to assign this macro to a key on your keyboard layout, you just use `M(0)` on the key you want to press for copy/paste.
## Dynamic macros: record and replay macros in runtime
In addition to the static macros described above, you may enable the dynamic macros which you may record while writing. They are forgotten as soon as the keyboard is unplugged. Only two such macros may be stored at the same time, with the total length of 128 keypresses.
To enable them, first add a new element to the `planck_keycodes` enum -- `DYNAMIC_MACRO_RANGE`:
enum planck_keycodes {
QWERTY = SAFE_RANGE,
COLEMAK,
DVORAK,
PLOVER,
LOWER,
RAISE,
BACKLIT,
EXT_PLV,
DYNAMIC_MACRO_RANGE,
};
Afterwards create a new layer called `_DYN`:
#define _DYN 6 /* almost any other free number should be ok */
Below these two modifications include the `dynamic_macro.h` header:
#include "dynamic_macro.h"`
Then define the `_DYN` layer with the following keys: `DYN_REC_START1`, `DYN_REC_PLAY1`,`DYN_REC_START2` and `DYN_REC_PLAY2`. It may also contain other keys, it doesn't matter apart from the fact that you won't be able to record these keys in the dynamic macros.
[_DYN]= {
{_______, DYN_REC_START1, DYN_MACRO_PLAY1, _______, _______, _______, _______, _______, _______, _______, _______, _______},
{_______, DYN_REC_START2, DYN_MACRO_PLAY2, _______, _______, _______, _______, _______, _______, _______, _______, _______},
{_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
{_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
},
Add the following code to the very beginning of your `process_record_user()` function:
if (!process_record_dynamic_macro(keycode, record)) {
return false;
}
The usage should be pretty self-explanatory. For the details, please read the comments in the `dynamic_macro.h` header.
## Additional keycode aliases for software-implemented layouts (Colemak, Dvorak, etc) ## Additional keycode aliases for software-implemented layouts (Colemak, Dvorak, etc)
Everything is assuming you're in Qwerty (in software) by default, but there is built-in support for using a Colemak or Dvorak layout by including this at the top of your keymap: Everything is assuming you're in Qwerty (in software) by default, but there is built-in support for using a Colemak or Dvorak layout by including this at the top of your keymap: