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Backlight status functions (#4259) 

* add functions to set specific backlight state

* add function to query backlight state

* update documentation with new backlight functions

* Update tmk_core/common/backlight.c

Co-Authored-By: codyd51 <phillip.ennen@gmail.com>

* Update tmk_core/common/backlight.h

Co-Authored-By: codyd51 <phillip.ennen@gmail.com>

* update docs for is_backlight_enabled() name change
master
Phillip Tennen 2018-11-14 16:45:46 +01:00 committed by Drashna Jaelre
parent f7fcba329d
commit 0cda2f43e2
3 changed files with 60 additions and 14 deletions
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19
docs/feature_backlight.md
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@ -54,14 +54,17 @@ In this handler, the value of an incrementing counter is mapped onto a precomput
## Backlight Functions ## Backlight Functions
|Function |Description | |Function |Description |
|----------|----------------------------------------------------------| |----------|-----------------------------------------------------------|
|`backlight_toggle()` |Turn the backlight on or off | |`backlight_toggle()` |Turn the backlight on or off |
|`backlight_step()` |Cycle through backlight levels | |`backlight_enable()` |Turn the backlight on |
|`backlight_increase()` |Increase the backlight level | |`backlight_disable()` |Turn the backlight off |
|`backlight_decrease()` |Decrease the backlight level | |`backlight_step()` |Cycle through backlight levels |
|`backlight_level(x)` |Sets the backlight level to specified level | |`backlight_increase()` |Increase the backlight level |
|`get_backlight_level()`|Return the current backlight level | |`backlight_decrease()` |Decrease the backlight level |
|`backlight_level(x)` |Sets the backlight level to specified level |
|`get_backlight_level()` |Return the current backlight level |
|`is_backlight_enabled()`|Return whether the backlight is currently on |
### Backlight Breathing Functions ### Backlight Breathing Functions

51
tmk_core/common/backlight.c
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@ -76,12 +76,51 @@ void backlight_decrease(void)
*/ */
void backlight_toggle(void) void backlight_toggle(void)
{ {
backlight_config.enable ^= 1; bool enabled = backlight_config.enable;
if (backlight_config.raw == 1) // enabled but level = 0 dprintf("backlight toggle: %u\n", enabled);
backlight_config.level = 1; if (enabled)
eeconfig_update_backlight(backlight_config.raw); backlight_disable();
dprintf("backlight toggle: %u\n", backlight_config.enable); else
backlight_set(backlight_config.enable ? backlight_config.level : 0); backlight_enable();
}
/** \brief Enable backlight
*
* FIXME: needs doc
*/
void backlight_enable(void)
{
if (backlight_config.enable) return; // do nothing if backlight is already on
backlight_config.enable = true;
if (backlight_config.raw == 1) // enabled but level == 0
backlight_config.level = 1;
eeconfig_update_backlight(backlight_config.raw);
dprintf("backlight enable\n");
backlight_set(backlight_config.level);
}
/** /brief Disable backlight
*
* FIXME: needs doc
*/
void backlight_disable(void)
{
if (!backlight_config.enable) return; // do nothing if backlight is already off
backlight_config.enable = false;
eeconfig_update_backlight(backlight_config.raw);
dprintf("backlight disable\n");
backlight_set(0);
}
/** /brief Get the backlight status
*
* FIXME: needs doc
*/
bool is_backlight_enabled(void)
{
return backlight_config.enable;
} }
/** \brief Backlight step through levels /** \brief Backlight step through levels

4
tmk_core/common/backlight.h
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@ -32,7 +32,11 @@ void backlight_init(void);
void backlight_increase(void); void backlight_increase(void);
void backlight_decrease(void); void backlight_decrease(void);
void backlight_toggle(void); void backlight_toggle(void);
void backlight_enable(void);
void backlight_disable(void);
bool is_backlight_enabled(void);
void backlight_step(void); void backlight_step(void);
void backlight_set(uint8_t level); void backlight_set(uint8_t level);
void backlight_level(uint8_t level); void backlight_level(uint8_t level);
uint8_t get_backlight_level(void); uint8_t get_backlight_level(void);