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Backlight: add defines for default level and breathing state (#12560)

master
Ryan 2021-05-27 15:21:15 +10:00 committed by GitHub
parent e128d45420
commit 06aea834c4
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5 changed files with 35 additions and 28 deletions
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20
docs/feature_backlight.md
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@ -62,15 +62,17 @@ Valid driver values are `pwm`, `software`, `custom` or `no`. See below for help
To configure the backlighting, `#define` these in your `config.h`:
| Define | Default | Description |
|------------------------|---------------|-------------------------------------------------------------------------------------------------------------------|
| `BACKLIGHT_PIN` | *Not defined* | The pin that controls the LED(s) |
| `BACKLIGHT_LEVELS` | `3` | The number of brightness levels (maximum 31 excluding off) |
| `BACKLIGHT_CAPS_LOCK` | *Not defined* | Enable Caps Lock indicator using backlight (for keyboards without dedicated LED) |
| `BACKLIGHT_BREATHING` | *Not defined* | Enable backlight breathing, if supported |
| `BREATHING_PERIOD` | `6` | The length of one backlight "breath" in seconds |
| `BACKLIGHT_ON_STATE` | `1` | The state of the backlight pin when the backlight is "on" - `1` for high, `0` for low |
| `BACKLIGHT_LIMIT_VAL ` | `255` | The maximum duty cycle of the backlight -- `255` allows for full brightness, any lower will decrease the maximum. |
|Define |Default |Description |
|-----------------------------|------------------|-----------------------------------------------------------------------------------------------------------------|
|`BACKLIGHT_PIN` |*Not defined* |The pin that controls the LED(s) |
|`BACKLIGHT_LEVELS` |`3` |The number of brightness levels (maximum 31 excluding off) |
|`BACKLIGHT_CAPS_LOCK` |*Not defined* |Enable Caps Lock indicator using backlight (for keyboards without dedicated LED) |
|`BACKLIGHT_BREATHING` |*Not defined* |Enable backlight breathing, if supported |
|`BREATHING_PERIOD` |`6` |The length of one backlight "breath" in seconds |
|`BACKLIGHT_ON_STATE` |`1` |The state of the backlight pin when the backlight is "on" - `1` for high, `0` for low |
|`BACKLIGHT_LIMIT_VAL` |`255` |The maximum duty cycle of the backlight -- `255` allows for full brightness, any lower will decrease the maximum.|
|`BACKLIGHT_DEFAULT_LEVEL` |`BACKLIGHT_LEVELS`|The default backlight level to use upon clearing the EEPROM |
|`BACKLIGHT_DEFAULT_BREATHING`|*Not defined* |Whether to enable backlight breathing upon clearing the EEPROM |
Unless you are designing your own keyboard, you generally should not need to change the `BACKLIGHT_PIN` or `BACKLIGHT_ON_STATE`.

23
quantum/backlight/backlight.c
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@ -22,6 +22,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
backlight_config_t backlight_config;
#ifndef BACKLIGHT_DEFAULT_LEVEL
# define BACKLIGHT_DEFAULT_LEVEL BACKLIGHT_LEVELS
#endif
#ifdef BACKLIGHT_BREATHING
// TODO: migrate to backlight_config_t
static uint8_t breathing_period = BREATHING_PERIOD;
@ -35,6 +39,7 @@ void backlight_init(void) {
/* check signature */
if (!eeconfig_is_enabled()) {
eeconfig_init();
eeconfig_update_backlight_default();
}
backlight_config.raw = eeconfig_read_backlight();
if (backlight_config.level > BACKLIGHT_LEVELS) {
@ -152,11 +157,23 @@ void backlight_level(uint8_t level) {
eeconfig_update_backlight(backlight_config.raw);
}
/** \brief Update current backlight state to EEPROM
*
*/
uint8_t eeconfig_read_backlight(void) { return eeprom_read_byte(EECONFIG_BACKLIGHT); }
void eeconfig_update_backlight(uint8_t val) { eeprom_update_byte(EECONFIG_BACKLIGHT, val); }
void eeconfig_update_backlight_current(void) { eeconfig_update_backlight(backlight_config.raw); }
void eeconfig_update_backlight_default(void) {
backlight_config.enable = 1;
#ifdef BACKLIGHT_DEFAULT_BREATHING
backlight_config.breathing = 1;
#else
backlight_config.breathing = 0;
#endif
backlight_config.level = BACKLIGHT_DEFAULT_LEVEL;
eeconfig_update_backlight(backlight_config.raw);
}
/** \brief Get backlight level
*
* FIXME: needs doc

4
quantum/backlight/backlight.h
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@ -55,7 +55,11 @@ void backlight_decrease(void);
void backlight_level_noeeprom(uint8_t level);
void backlight_level(uint8_t level);
uint8_t get_backlight_level(void);
uint8_t eeconfig_read_backlight(void);
void eeconfig_update_backlight(uint8_t val);
void eeconfig_update_backlight_current(void);
void eeconfig_update_backlight_default(void);
// implementation specific
void backlight_init_ports(void);

11
tmk_core/common/eeconfig.c
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@ -155,17 +155,6 @@ void eeconfig_update_keymap(uint16_t val) {
eeprom_update_byte(EECONFIG_KEYMAP_UPPER_BYTE, (val >> 8) & 0xFF);
}
/** \brief eeconfig read backlight
*
* FIXME: needs doc
*/
uint8_t eeconfig_read_backlight(void) { return eeprom_read_byte(EECONFIG_BACKLIGHT); }
/** \brief eeconfig update backlight
*
* FIXME: needs doc
*/
void eeconfig_update_backlight(uint8_t val) { eeprom_update_byte(EECONFIG_BACKLIGHT, val); }
/** \brief eeconfig read audio
*
* FIXME: needs doc

5
tmk_core/common/eeconfig.h
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@ -94,11 +94,6 @@ void eeconfig_update_default_layer(uint8_t val);
uint16_t eeconfig_read_keymap(void);
void eeconfig_update_keymap(uint16_t val);
#ifdef BACKLIGHT_ENABLE
uint8_t eeconfig_read_backlight(void);
void eeconfig_update_backlight(uint8_t val);
#endif
#ifdef AUDIO_ENABLE
uint8_t eeconfig_read_audio(void);
void eeconfig_update_audio(uint8_t val);