summaryrefslogtreecommitdiffstats
path: root/quantum/backlight
diff options
context:
space:
mode:
Diffstat (limited to 'quantum/backlight')
-rw-r--r--quantum/backlight/backlight.c54
-rw-r--r--quantum/backlight/backlight.h2
-rw-r--r--quantum/backlight/backlight_avr.c50
-rw-r--r--quantum/backlight/backlight_chibios.c16
-rw-r--r--quantum/backlight/backlight_driver_common.c8
-rw-r--r--quantum/backlight/backlight_software.c12
-rw-r--r--quantum/backlight/backlight_timer.c32
7 files changed, 117 insertions, 57 deletions
diff --git a/quantum/backlight/backlight.c b/quantum/backlight/backlight.c
index dfb98419e6..52ec086bb0 100644
--- a/quantum/backlight/backlight.c
+++ b/quantum/backlight/backlight.c
@@ -95,10 +95,10 @@ void backlight_toggle(void) {
* FIXME: needs doc
*/
void backlight_enable(void) {
- if (backlight_config.enable) return; // do nothing if backlight is already on
+ 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
+ if (backlight_config.raw == 1) // enabled but level == 0
backlight_config.level = 1;
eeconfig_update_backlight(backlight_config.raw);
dprintf("backlight enable\n");
@@ -110,7 +110,7 @@ void backlight_enable(void) {
* FIXME: needs doc
*/
void backlight_disable(void) {
- if (!backlight_config.enable) return; // do nothing if backlight is already off
+ if (!backlight_config.enable) return; // do nothing if backlight is already off
backlight_config.enable = false;
eeconfig_update_backlight(backlight_config.raw);
@@ -122,7 +122,9 @@ void backlight_disable(void) {
*
* FIXME: needs doc
*/
-bool is_backlight_enabled(void) { return backlight_config.enable; }
+bool is_backlight_enabled(void) {
+ return backlight_config.enable;
+}
/** \brief Backlight step through levels
*
@@ -158,11 +160,17 @@ void backlight_level(uint8_t level) {
eeconfig_update_backlight(backlight_config.raw);
}
-uint8_t eeconfig_read_backlight(void) { return eeprom_read_byte(EECONFIG_BACKLIGHT); }
+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(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_current(void) {
+ eeconfig_update_backlight(backlight_config.raw);
+}
void eeconfig_update_backlight_default(void) {
backlight_config.enable = 1;
@@ -179,7 +187,9 @@ void eeconfig_update_backlight_default(void) {
*
* FIXME: needs doc
*/
-uint8_t get_backlight_level(void) { return backlight_config.level; }
+uint8_t get_backlight_level(void) {
+ return backlight_config.level;
+}
#ifdef BACKLIGHT_BREATHING
/** \brief Backlight breathing toggle
@@ -200,7 +210,7 @@ void backlight_toggle_breathing(void) {
* FIXME: needs doc
*/
void backlight_enable_breathing(void) {
- if (backlight_config.breathing) return; // do nothing if breathing is already on
+ if (backlight_config.breathing) return; // do nothing if breathing is already on
backlight_config.breathing = true;
eeconfig_update_backlight(backlight_config.raw);
@@ -213,7 +223,7 @@ void backlight_enable_breathing(void) {
* FIXME: needs doc
*/
void backlight_disable_breathing(void) {
- if (!backlight_config.breathing) return; // do nothing if breathing is already off
+ if (!backlight_config.breathing) return; // do nothing if breathing is already off
backlight_config.breathing = false;
eeconfig_update_backlight(backlight_config.raw);
@@ -225,18 +235,30 @@ void backlight_disable_breathing(void) {
*
* FIXME: needs doc
*/
-bool is_backlight_breathing(void) { return backlight_config.breathing; }
+bool is_backlight_breathing(void) {
+ return backlight_config.breathing;
+}
// following are marked as weak purely for backwards compatibility
-__attribute__((weak)) void breathing_period_set(uint8_t value) { breathing_period = value ? value : 1; }
+__attribute__((weak)) void breathing_period_set(uint8_t value) {
+ breathing_period = value ? value : 1;
+}
-__attribute__((weak)) uint8_t get_breathing_period(void) { return breathing_period; }
+__attribute__((weak)) uint8_t get_breathing_period(void) {
+ return breathing_period;
+}
-__attribute__((weak)) void breathing_period_default(void) { breathing_period_set(BREATHING_PERIOD); }
+__attribute__((weak)) void breathing_period_default(void) {
+ breathing_period_set(BREATHING_PERIOD);
+}
-__attribute__((weak)) void breathing_period_inc(void) { breathing_period_set(breathing_period + 1); }
+__attribute__((weak)) void breathing_period_inc(void) {
+ breathing_period_set(breathing_period + 1);
+}
-__attribute__((weak)) void breathing_period_dec(void) { breathing_period_set(breathing_period - 1); }
+__attribute__((weak)) void breathing_period_dec(void) {
+ breathing_period_set(breathing_period - 1);
+}
__attribute__((weak)) void breathing_toggle(void) {
if (is_breathing())
diff --git a/quantum/backlight/backlight.h b/quantum/backlight/backlight.h
index c30c70fd62..ff9c8de420 100644
--- a/quantum/backlight/backlight.h
+++ b/quantum/backlight/backlight.h
@@ -39,7 +39,7 @@ typedef union {
struct {
bool enable : 1;
bool breathing : 1;
- uint8_t reserved : 1; // Reserved for possible future backlight modes
+ uint8_t reserved : 1; // Reserved for possible future backlight modes
uint8_t level : 5;
};
} backlight_config_t;
diff --git a/quantum/backlight/backlight_avr.c b/quantum/backlight/backlight_avr.c
index 9c972ae02e..f3a0252270 100644
--- a/quantum/backlight/backlight_avr.c
+++ b/quantum/backlight/backlight_avr.c
@@ -136,7 +136,7 @@
# define TCCRxB TCCR1B
# define TIMERx_COMPA_vect TIMER1_COMPA_vect
# define TIMERx_OVF_vect TIMER1_OVF_vect
-# if defined(__AVR_ATmega32A__) // This MCU has only one TIMSK register
+# if defined(__AVR_ATmega32A__) // This MCU has only one TIMSK register
# define TIMSKx TIMSK
# else
# define TIMSKx TIMSK1
@@ -166,7 +166,7 @@ error("Please set 'BACKLIGHT_DRIVER = custom' within rules.mk")
error("Please set 'BACKLIGHT_DRIVER = software' within rules.mk")
#endif
-#ifndef BACKLIGHT_PWM_TIMER // pwm through software
+#ifndef BACKLIGHT_PWM_TIMER // pwm through software
static inline void enable_pwm(void) {
# if BACKLIGHT_ON_STATE == 1
@@ -203,7 +203,9 @@ static inline void disable_pwm(void) {
// or F_CPU/BACKLIGHT_CUSTOM_RESOLUTION if used.
// Triggered when the counter reaches the OCRx value
-ISR(TIMERx_COMPA_vect) { backlight_pins_off(); }
+ISR(TIMERx_COMPA_vect) {
+ backlight_pins_off();
+}
// Triggered when the counter reaches the TOP value
// this one triggers at F_CPU/ICRx = 16MHz/65536 =~ 244 Hz
@@ -232,15 +234,15 @@ ISR(TIMERx_OVF_vect) {
// See http://jared.geek.nz/2013/feb/linear-led-pwm
static uint16_t cie_lightness(uint16_t v) {
- if (v <= (uint32_t)ICRx / 12) // If the value is less than or equal to ~8% of max
+ if (v <= (uint32_t)ICRx / 12) // If the value is less than or equal to ~8% of max
{
- return v / 9; // Same as dividing by 900%
+ return v / 9; // Same as dividing by 900%
} else {
// In the next two lines values are bit-shifted. This is to avoid loosing decimals in integer math.
- uint32_t y = (((uint32_t)v + (uint32_t)ICRx / 6) << 5) / ((uint32_t)ICRx / 6 + ICRx); // If above 8%, add ~16% of max, and normalize with (max + ~16% max)
- uint32_t out = (y * y * y * ICRx) >> 15; // Cube it and undo the bit-shifting. (which is now three times as much due to the cubing)
+ uint32_t y = (((uint32_t)v + (uint32_t)ICRx / 6) << 5) / ((uint32_t)ICRx / 6 + ICRx); // If above 8%, add ~16% of max, and normalize with (max + ~16% max)
+ uint32_t out = (y * y * y * ICRx) >> 15; // Cube it and undo the bit-shifting. (which is now three times as much due to the cubing)
- if (out > ICRx) // Avoid overflows
+ if (out > ICRx) // Avoid overflows
{
out = ICRx;
}
@@ -249,10 +251,14 @@ static uint16_t cie_lightness(uint16_t v) {
}
// rescale the supplied backlight value to be in terms of the value limit // range for val is [0..ICRx]. PWM pin is high while the timer count is below val.
-static uint32_t rescale_limit_val(uint32_t val) { return (val * (BACKLIGHT_LIMIT_VAL + 1)) / 256; }
+static uint32_t rescale_limit_val(uint32_t val) {
+ return (val * (BACKLIGHT_LIMIT_VAL + 1)) / 256;
+}
// range for val is [0..ICRx]. PWM pin is high while the timer count is below val.
-static inline void set_pwm(uint16_t val) { OCRxx = val; }
+static inline void set_pwm(uint16_t val) {
+ OCRxx = val;
+}
void backlight_set(uint8_t level) {
if (level > BACKLIGHT_LEVELS) level = BACKLIGHT_LEVELS;
@@ -303,7 +309,9 @@ static uint16_t breathing_freq_scale_factor = 2;
# ifdef BACKLIGHT_PWM_TIMER
static bool breathing = false;
-bool is_breathing(void) { return breathing; }
+bool is_breathing(void) {
+ return breathing;
+}
# define breathing_interrupt_enable() \
do { \
@@ -315,7 +323,9 @@ bool is_breathing(void) { return breathing; }
} while (0)
# else
-bool is_breathing(void) { return !!(TIMSKx & _BV(TOIEx)); }
+bool is_breathing(void) {
+ return !!(TIMSKx & _BV(TOIEx));
+}
# define breathing_interrupt_enable() \
do { \
@@ -370,7 +380,9 @@ void breathing_self_disable(void) {
static const uint8_t breathing_table[BREATHING_STEPS] PROGMEM = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 28, 32, 36, 41, 46, 51, 57, 63, 70, 76, 83, 91, 98, 106, 113, 121, 129, 138, 146, 154, 162, 170, 178, 185, 193, 200, 207, 213, 220, 225, 231, 235, 240, 244, 247, 250, 252, 253, 254, 255, 254, 253, 252, 250, 247, 244, 240, 235, 231, 225, 220, 213, 207, 200, 193, 185, 178, 170, 162, 154, 146, 138, 129, 121, 113, 106, 98, 91, 83, 76, 70, 63, 57, 51, 46, 41, 36, 32, 28, 24, 20, 17, 15, 12, 10, 8, 6, 5, 4, 3, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
// Use this before the cie_lightness function.
-static inline uint16_t scale_backlight(uint16_t v) { return v / BACKLIGHT_LEVELS * get_backlight_level(); }
+static inline uint16_t scale_backlight(uint16_t v) {
+ return v / BACKLIGHT_LEVELS * get_backlight_level();
+}
# ifdef BACKLIGHT_PWM_TIMER
void breathing_task(void)
@@ -403,7 +415,7 @@ ISR(TIMERx_OVF_vect)
set_pwm(cie_lightness(rescale_limit_val(scale_backlight((uint16_t)pgm_read_byte(&breathing_table[index]) * ICRx / 255))));
}
-#endif // BACKLIGHT_BREATHING
+#endif // BACKLIGHT_BREATHING
void backlight_init_ports(void) {
// Setup backlight pin as output and output to on state.
@@ -415,10 +427,10 @@ void backlight_init_ports(void) {
#ifdef BACKLIGHT_PWM_TIMER
// TimerX setup, Fast PWM mode count to TOP set in ICRx
- TCCRxA = _BV(WGM11); // = 0b00000010;
+ TCCRxA = _BV(WGM11); // = 0b00000010;
// clock select clk/1
- TCCRxB = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
-#else // hardware PWM
+ TCCRxB = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
+#else // hardware PWM
// Pin PB7 = OCR1C (Timer 1, Channel C)
// Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
// (i.e. start high, go low when counter matches.)
@@ -430,8 +442,8 @@ void backlight_init_ports(void) {
"In fast PWM mode, the compare units allow generation of PWM waveforms on the OCnx pins. Setting the COMnx1:0 bits to two will produce a non-inverted PWM [..]."
"In fast PWM mode the counter is incremented until the counter value matches either one of the fixed values 0x00FF, 0x01FF, or 0x03FF (WGMn3:0 = 5, 6, or 7), the value in ICRn (WGMn3:0 = 14), or the value in OCRnA (WGMn3:0 = 15)."
*/
- TCCRxA = _BV(COMxx1) | _BV(WGM11); // = 0b00001010;
- TCCRxB = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
+ TCCRxA = _BV(COMxx1) | _BV(WGM11); // = 0b00001010;
+ TCCRxB = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
#endif
#ifdef BACKLIGHT_CUSTOM_RESOLUTION
diff --git a/quantum/backlight/backlight_chibios.c b/quantum/backlight/backlight_chibios.c
index 7c6edd10d6..e8f9e70f78 100644
--- a/quantum/backlight/backlight_chibios.c
+++ b/quantum/backlight/backlight_chibios.c
@@ -53,14 +53,14 @@ static PWMConfig pwmCFG = {0xFFFF, /* PWM clock frequency */
// See http://jared.geek.nz/2013/feb/linear-led-pwm
static uint16_t cie_lightness(uint16_t v) {
- if (v <= 5243) // if below 8% of max
- return v / 9; // same as dividing by 900%
+ if (v <= 5243) // if below 8% of max
+ return v / 9; // same as dividing by 900%
else {
- uint32_t y = (((uint32_t)v + 10486) << 8) / (10486 + 0xFFFFUL); // add 16% of max and compare
+ uint32_t y = (((uint32_t)v + 10486) << 8) / (10486 + 0xFFFFUL); // add 16% of max and compare
// to get a useful result with integer division, we shift left in the expression above
// and revert what we've done again after squaring.
y = y * y * y >> 8;
- if (y > 0xFFFFUL) // prevent overflow
+ if (y > 0xFFFFUL) // prevent overflow
return 0xFFFFU;
else
return (uint16_t)y;
@@ -117,7 +117,9 @@ static const uint8_t breathing_table[BREATHING_STEPS] = {0, 0, 0, 0, 0, 0, 0, 0,
void breathing_callback(PWMDriver *pwmp);
-bool is_breathing(void) { return pwmCFG.callback != NULL; }
+bool is_breathing(void) {
+ return pwmCFG.callback != NULL;
+}
void breathing_enable(void) {
pwmCFG.callback = breathing_callback;
@@ -133,7 +135,9 @@ void breathing_disable(void) {
}
// Use this before the cie_lightness function.
-static inline uint16_t scale_backlight(uint16_t v) { return v / BACKLIGHT_LEVELS * get_backlight_level(); }
+static inline uint16_t scale_backlight(uint16_t v) {
+ return v / BACKLIGHT_LEVELS * get_backlight_level();
+}
void breathing_callback(PWMDriver *pwmp) {
uint8_t breathing_period = get_breathing_period();
diff --git a/quantum/backlight/backlight_driver_common.c b/quantum/backlight/backlight_driver_common.c
index 270a43c67e..e4c2e90b5f 100644
--- a/quantum/backlight/backlight_driver_common.c
+++ b/quantum/backlight/backlight_driver_common.c
@@ -44,6 +44,10 @@ void backlight_pins_init(void) {
FOR_EACH_LED(setPinOutput(backlight_pin); backlight_off(backlight_pin);)
}
-void backlight_pins_on(void) { FOR_EACH_LED(backlight_on(backlight_pin);) }
+void backlight_pins_on(void) {
+ FOR_EACH_LED(backlight_on(backlight_pin);)
+}
-void backlight_pins_off(void) { FOR_EACH_LED(backlight_off(backlight_pin);) }
+void backlight_pins_off(void) {
+ FOR_EACH_LED(backlight_off(backlight_pin);)
+}
diff --git a/quantum/backlight/backlight_software.c b/quantum/backlight/backlight_software.c
index 709304f559..3d412cab52 100644
--- a/quantum/backlight/backlight_software.c
+++ b/quantum/backlight/backlight_software.c
@@ -30,11 +30,17 @@ static const uint16_t backlight_duty_table[] = {
// clang-format on
-static uint8_t scale_backlight(uint8_t v) { return v * (backlight_duty_table_size - 1) / BACKLIGHT_LEVELS; }
+static uint8_t scale_backlight(uint8_t v) {
+ return v * (backlight_duty_table_size - 1) / BACKLIGHT_LEVELS;
+}
-void backlight_init_ports(void) { backlight_pins_init(); }
+void backlight_init_ports(void) {
+ backlight_pins_init();
+}
-void backlight_set(uint8_t level) { s_duty_pattern = backlight_duty_table[scale_backlight(level)]; }
+void backlight_set(uint8_t level) {
+ s_duty_pattern = backlight_duty_table[scale_backlight(level)];
+}
void backlight_task(void) {
static uint8_t backlight_tick = 0;
diff --git a/quantum/backlight/backlight_timer.c b/quantum/backlight/backlight_timer.c
index c32c35c154..82fb6a6a83 100644
--- a/quantum/backlight/backlight_timer.c
+++ b/quantum/backlight/backlight_timer.c
@@ -14,14 +14,14 @@ static uint16_t backlight_timer_get_duty(void);
// See http://jared.geek.nz/2013/feb/linear-led-pwm
static uint16_t cie_lightness(uint16_t v) {
- if (v <= 5243) // if below 8% of max
- return v / 9; // same as dividing by 900%
+ if (v <= 5243) // if below 8% of max
+ return v / 9; // same as dividing by 900%
else {
- uint32_t y = (((uint32_t)v + 10486) << 8) / (10486 + 0xFFFFUL); // add 16% of max and compare
+ uint32_t y = (((uint32_t)v + 10486) << 8) / (10486 + 0xFFFFUL); // add 16% of max and compare
// to get a useful result with integer division, we shift left in the expression above
// and revert what we've done again after squaring.
y = y * y * y >> 8;
- if (y > 0xFFFFUL) // prevent overflow
+ if (y > 0xFFFFUL) // prevent overflow
return 0xFFFFU;
else
return (uint16_t)y;
@@ -61,7 +61,9 @@ static void backlight_timer_top(void) {
}
}
-static void backlight_timer_cmp(void) { backlight_pins_off(); }
+static void backlight_timer_cmp(void) {
+ backlight_pins_off();
+}
void backlight_task(void) {}
@@ -77,7 +79,9 @@ static uint16_t breathing_counter = 0;
static const uint8_t breathing_table[BREATHING_STEPS] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 28, 32, 36, 41, 46, 51, 57, 63, 70, 76, 83, 91, 98, 106, 113, 121, 129, 138, 146, 154, 162, 170, 178, 185, 193, 200, 207, 213, 220, 225, 231, 235, 240, 244, 247, 250, 252, 253, 254, 255, 254, 253, 252, 250, 247, 244, 240, 235, 231, 225, 220, 213, 207, 200, 193, 185, 178, 170, 162, 154, 146, 138, 129, 121, 113, 106, 98, 91, 83, 76, 70, 63, 57, 51, 46, 41, 36, 32, 28, 24, 20, 17, 15, 12, 10, 8, 6, 5, 4, 3, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
// Use this before the cie_lightness function.
-static inline uint16_t scale_backlight(uint16_t v) { return v / BACKLIGHT_LEVELS * get_backlight_level(); }
+static inline uint16_t scale_backlight(uint16_t v) {
+ return v / BACKLIGHT_LEVELS * get_backlight_level();
+}
void breathing_task(void) {
uint8_t breathing_period = get_breathing_period();
@@ -91,13 +95,17 @@ void breathing_task(void) {
backlight_timer_set_duty(cie_lightness(scale_backlight((uint16_t)breathing_table[index] * 256)));
}
-bool is_breathing(void) { return breathing; }
+bool is_breathing(void) {
+ return breathing;
+}
void breathing_enable(void) {
breathing_counter = 0;
breathing = true;
}
-void breathing_disable(void) { breathing = false; }
+void breathing_disable(void) {
+ breathing = false;
+}
void breathing_pulse(void) {
backlight_set(is_backlight_enabled() ? 0 : BACKLIGHT_LEVELS);
@@ -140,8 +148,12 @@ static void timerCallback(void) {
}
}
-static void backlight_timer_set_duty(uint16_t duty) { s_duty = duty; }
-static uint16_t backlight_timer_get_duty(void) { return s_duty; }
+static void backlight_timer_set_duty(uint16_t duty) {
+ s_duty = duty;
+}
+static uint16_t backlight_timer_get_duty(void) {
+ return s_duty;
+}
// ChibiOS - Map GPT timer onto Software PWM
static void gptTimerCallback(GPTDriver *gptp) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 21:40:58 +0000