From 3a303bd2aec57fd2d4d0f6d3e5583d746367d6e1 Mon Sep 17 00:00:00 2001 From: Joel Challis Date: Sat, 7 Mar 2020 12:09:49 +0000 Subject: Backlight - Carve out a better location for private driver functionality (#8329) * rename backlight_soft to match rules.mk * rename backlight_soft to match rules.mk - update common_features * Carve out a better location for private driver backlight functionality --- quantum/backlight/backlight_soft.c | 51 -------------------------------------- 1 file changed, 51 deletions(-) delete mode 100644 quantum/backlight/backlight_soft.c (limited to 'quantum/backlight/backlight_soft.c') diff --git a/quantum/backlight/backlight_soft.c b/quantum/backlight/backlight_soft.c deleted file mode 100644 index 8552384a42..0000000000 --- a/quantum/backlight/backlight_soft.c +++ /dev/null @@ -1,51 +0,0 @@ -#include "quantum.h" -#include "backlight.h" - -#if !defined(BACKLIGHT_PIN) && !defined(BACKLIGHT_PINS) -# error "Backlight pin/pins not defined. Please configure." -#endif - -#ifdef BACKLIGHT_BREATHING -# error "Backlight breathing is not available for software PWM. Please disable." -#endif - -static uint16_t s_duty_pattern = 0; - -// clang-format off - -/** \brief PWM duty patterns - * - * We scale the current backlight level to an index within this array. This allows - * backlight_task to focus on just switching LEDs on/off, and we can predict the duty pattern - */ -static const uint16_t backlight_duty_table[] = { - 0b0000000000000000, - 0b1000000000000000, - 0b1000000010000000, - 0b1000001000010000, - 0b1000100010001000, - 0b1001001001001000, - 0b1010101010101010, - 0b1110111011101110, - 0b1111111111111111, -}; -#define backlight_duty_table_size (sizeof(backlight_duty_table) / sizeof(backlight_duty_table[0])) - -// clang-format on - -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_set(uint8_t level) { s_duty_pattern = backlight_duty_table[scale_backlight(level)]; } - -void backlight_task(void) { - static uint8_t backlight_tick = 0; - - if (s_duty_pattern & ((uint16_t)1 << backlight_tick)) { - backlight_pins_on(); - } else { - backlight_pins_off(); - } - backlight_tick = (backlight_tick + 1) % 16; -} -- cgit v1.2.3