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authorJames Young <18669334+noroadsleft@users.noreply.github.com>2020-11-28 12:02:18 -0800
committerDrashna Jael're <drashna@live.com>2021-01-12 22:46:05 -0800
commit4d8d69237d0a9e73e1723480e4225c9390533021 (patch)
tree633dc5903f4e8db2f9f601bff0205713df5d16a4 /quantum/backlight
parent546a0e1edccaa7a53ae72c124f792783009b693b (diff)
2020 November 28 Breaking Changes Update (#11053)
* Branch point for 2020 November 28 Breaking Change * Remove matrix_col_t to allow MATRIX_ROWS > 32 (#10183) * Add support for soft serial to ATmega32U2 (#10204) * Change MIDI velocity implementation to allow direct control of velocity value (#9940) * Add ability to build a subset of all keyboards based on platform. * Actually use eeprom_driver_init(). * Make bootloader_jump weak for ChibiOS. (#10417) * Joystick 16-bit support (#10439) * Per-encoder resolutions (#10259) * Share button state from mousekey to pointing_device (#10179) * Add hotfix for chibios keyboards not wake (#10088) * Add advanced/efficient RGB Matrix Indicators (#8564) * Naming change. * Support for STM32 GPIOF,G,H,I,J,K (#10206) * Add milc as a dependency and remove the installed milc (#10563) * ChibiOS upgrade: early init conversions (#10214) * ChibiOS upgrade: configuration file migrator (#9952) * Haptic and solenoid cleanup (#9700) * XD75 cleanup (#10524) * OLED display update interval support (#10388) * Add definition based on currently-selected serial driver. (#10716) * New feature: Retro Tapping per key (#10622) * Allow for modification of output RGB values when using rgblight/rgb_matrix. (#10638) * Add housekeeping task callbacks so that keyboards/keymaps are capable of executing code for each main loop iteration. (#10530) * Rescale both ChibiOS and AVR backlighting. * Reduce Helix keyboard build variation (#8669) * Minor change to behavior allowing display updates to continue between task ticks (#10750) * Some GPIO manipulations in matrix.c change to atomic. (#10491) * qmk cformat (#10767) * [Keyboard] Update the Speedo firmware for v3.0 (#10657) * Maartenwut/Maarten namechange to evyd13/Evy (#10274) * [quantum] combine repeated lines of code (#10837) * Add step sequencer feature (#9703) * aeboards/ext65 refactor (#10820) * Refactor xelus/dawn60 for Rev2 later (#10584) * add DEBUG_MATRIX_SCAN_RATE_ENABLE to common_features.mk (#10824) * [Core] Added `add_oneshot_mods` & `del_oneshot_mods` (#10549) * update chibios os usb for the otg driver (#8893) * Remove HD44780 References, Part 4 (#10735) * [Keyboard] Add Valor FRL TKL (+refactor) (#10512) * Fix cursor position bug in oled_write_raw functions (#10800) * Fixup version.h writing when using SKIP_VERSION=yes (#10972) * Allow for certain code in the codebase assuming length of string. (#10974) * Add AT90USB support for serial.c (#10706) * Auto shift: support repeats and early registration (#9826) * Rename ledmatrix.h to match .c file (#7949) * Split RGB_MATRIX_ENABLE into _ENABLE and _DRIVER (#10231) * Split LED_MATRIX_ENABLE into _ENABLE and _DRIVER (#10840) * Merge point for 2020 Nov 28 Breaking Change
Diffstat (limited to 'quantum/backlight')
-rw-r--r--quantum/backlight/backlight_avr.c12
-rw-r--r--quantum/backlight/backlight_chibios.c14
2 files changed, 22 insertions, 4 deletions
diff --git a/quantum/backlight/backlight_avr.c b/quantum/backlight/backlight_avr.c
index b3e882ffe1..4d66da80ba 100644
--- a/quantum/backlight/backlight_avr.c
+++ b/quantum/backlight/backlight_avr.c
@@ -3,6 +3,11 @@
#include "backlight_driver_common.h"
#include "debug.h"
+// Maximum duty cycle limit
+#ifndef BACKLIGHT_LIMIT_VAL
+# define BACKLIGHT_LIMIT_VAL 255
+#endif
+
// This logic is a bit complex, we support 3 setups:
//
// 1. Hardware PWM when backlight is wired to a PWM pin.
@@ -240,6 +245,9 @@ static uint16_t cie_lightness(uint16_t v) {
}
}
+// rescale the supplied backlight value to be in terms of the value limit
+static uint32_t rescale_limit_val(uint32_t val) { return (val * (BACKLIGHT_LIMIT_VAL + 1)) / 256; }
+
// range for val is [0..TIMER_TOP]. PWM pin is high while the timer count is below val.
static inline void set_pwm(uint16_t val) { OCRxx = val; }
@@ -269,7 +277,7 @@ void backlight_set(uint8_t level) {
#endif
}
// Set the brightness
- set_pwm(cie_lightness(TIMER_TOP * (uint32_t)level / BACKLIGHT_LEVELS));
+ set_pwm(cie_lightness(rescale_limit_val(TIMER_TOP * (uint32_t)level / BACKLIGHT_LEVELS)));
}
void backlight_task(void) {}
@@ -375,7 +383,7 @@ ISR(TIMERx_OVF_vect)
breathing_interrupt_disable();
}
- set_pwm(cie_lightness(scale_backlight((uint16_t)pgm_read_byte(&breathing_table[index]) * 0x0101U)));
+ set_pwm(cie_lightness(rescale_limit_val(scale_backlight((uint16_t)pgm_read_byte(&breathing_table[index]) * 0x0101U))));
}
#endif // BACKLIGHT_BREATHING
diff --git a/quantum/backlight/backlight_chibios.c b/quantum/backlight/backlight_chibios.c
index 0fe812bf27..4d5a69e14e 100644
--- a/quantum/backlight/backlight_chibios.c
+++ b/quantum/backlight/backlight_chibios.c
@@ -3,6 +3,11 @@
#include <hal.h>
#include "debug.h"
+// Maximum duty cycle limit
+#ifndef BACKLIGHT_LIMIT_VAL
+# define BACKLIGHT_LIMIT_VAL 255
+#endif
+
// GPIOV2 && GPIOV3
#ifndef BACKLIGHT_PAL_MODE
# define BACKLIGHT_PAL_MODE 2
@@ -58,6 +63,11 @@ static uint16_t cie_lightness(uint16_t v) {
}
}
+static uint32_t rescale_limit_val(uint32_t val) {
+ // rescale the supplied backlight value to be in terms of the value limit
+ return (val * (BACKLIGHT_LIMIT_VAL + 1)) / 256;
+}
+
void backlight_init_ports(void) {
#ifdef USE_GPIOV1
palSetPadMode(PAL_PORT(BACKLIGHT_PIN), PAL_PAD(BACKLIGHT_PIN), PAL_MODE_STM32_ALTERNATE_PUSHPULL);
@@ -85,7 +95,7 @@ void backlight_set(uint8_t level) {
pwmDisableChannel(&BACKLIGHT_PWM_DRIVER, BACKLIGHT_PWM_CHANNEL - 1);
} else {
// Turn backlight on
- uint32_t duty = (uint32_t)(cie_lightness(0xFFFF * (uint32_t)level / BACKLIGHT_LEVELS));
+ uint32_t duty = (uint32_t)(cie_lightness(rescale_limit_val(0xFFFF * (uint32_t)level / BACKLIGHT_LEVELS)));
pwmEnableChannel(&BACKLIGHT_PWM_DRIVER, BACKLIGHT_PWM_CHANNEL - 1, PWM_FRACTION_TO_WIDTH(&BACKLIGHT_PWM_DRIVER, 0xFFFF, duty));
}
}
@@ -129,7 +139,7 @@ void breathing_callback(PWMDriver *pwmp) {
static uint16_t breathing_counter = 0;
breathing_counter = (breathing_counter + 1) % (breathing_period * 256);
uint8_t index = breathing_counter / interval % BREATHING_STEPS;
- uint32_t duty = cie_lightness(scale_backlight(breathing_table[index] * 256));
+ uint32_t duty = cie_lightness(rescale_limit_val(scale_backlight(breathing_table[index] * 256)));
chSysLockFromISR();
pwmEnableChannelI(pwmp, BACKLIGHT_PWM_CHANNEL - 1, PWM_FRACTION_TO_WIDTH(&BACKLIGHT_PWM_DRIVER, 0xFFFF, duty));