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-rw-r--r--quantum/backlight/backlight_arm.c184
1 files changed, 0 insertions, 184 deletions
diff --git a/quantum/backlight/backlight_arm.c b/quantum/backlight/backlight_arm.c
deleted file mode 100644
index 723544adb9..0000000000
--- a/quantum/backlight/backlight_arm.c
+++ /dev/null
@@ -1,184 +0,0 @@
-#include "quantum.h"
-#include "backlight.h"
-#include <hal.h>
-#include "debug.h"
-
-// TODO: remove short term bodge when refactoring BACKLIGHT_CUSTOM_DRIVER out
-#ifdef BACKLIGHT_PIN
-
-// GPIOV2 && GPIOV3
-# ifndef BACKLIGHT_PAL_MODE
-# define BACKLIGHT_PAL_MODE 2
-# endif
-
-// GENERIC
-# ifndef BACKLIGHT_PWM_DRIVER
-# define BACKLIGHT_PWM_DRIVER PWMD4
-# endif
-# ifndef BACKLIGHT_PWM_CHANNEL
-# define BACKLIGHT_PWM_CHANNEL 3
-# endif
-
-static void breathing_callback(PWMDriver *pwmp);
-
-static PWMConfig pwmCFG = {0xFFFF, /* PWM clock frequency */
- 256, /* PWM period (in ticks) 1S (1/10kHz=0.1mS 0.1ms*10000 ticks=1S) */
- NULL, /* No Callback */
- { /* Default all channels to disabled - Channels will be configured durring init */
- {PWM_OUTPUT_DISABLED, NULL},
- {PWM_OUTPUT_DISABLED, NULL},
- {PWM_OUTPUT_DISABLED, NULL},
- {PWM_OUTPUT_DISABLED, NULL}},
- 0, /* HW dependent part.*/
- 0};
-
-static PWMConfig pwmCFG_breathing = {0xFFFF, /** PWM clock frequency */
- 256, /* PWM period (in ticks) 1S (1/10kHz=0.1mS 0.1ms*10000 ticks=1S) */
- breathing_callback, /* Breathing Callback */
- { /* Default all channels to disabled - Channels will be configured durring init */
- {PWM_OUTPUT_DISABLED, NULL},
- {PWM_OUTPUT_DISABLED, NULL},
- {PWM_OUTPUT_DISABLED, NULL},
- {PWM_OUTPUT_DISABLED, NULL}},
- 0, /* HW dependent part.*/
- 0};
-
-// 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%
- else {
- 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
- return 0xFFFFU;
- else
- return (uint16_t)y;
- }
-}
-
-void backlight_init_ports(void) {
- // printf("backlight_init_ports()\n");
-
-# ifdef USE_GPIOV1
- palSetPadMode(PAL_PORT(BACKLIGHT_PIN), PAL_PAD(BACKLIGHT_PIN), PAL_MODE_STM32_ALTERNATE_PUSHPULL);
-# else
- palSetPadMode(PAL_PORT(BACKLIGHT_PIN), PAL_PAD(BACKLIGHT_PIN), PAL_MODE_ALTERNATE(BACKLIGHT_PAL_MODE));
-# endif
-
- pwmCFG.channels[BACKLIGHT_PWM_CHANNEL - 1].mode = PWM_OUTPUT_ACTIVE_HIGH;
- pwmCFG_breathing.channels[BACKLIGHT_PWM_CHANNEL - 1].mode = PWM_OUTPUT_ACTIVE_HIGH;
- pwmStart(&BACKLIGHT_PWM_DRIVER, &pwmCFG);
-
- backlight_set(get_backlight_level());
- if (is_backlight_breathing()) {
- breathing_enable();
- }
-}
-
-void backlight_set(uint8_t level) {
- // printf("backlight_set(%d)\n", level);
- if (level == 0) {
- // Turn backlight off
- pwmDisableChannel(&BACKLIGHT_PWM_DRIVER, BACKLIGHT_PWM_CHANNEL - 1);
- } else {
- // Turn backlight on
- if (!is_breathing()) {
- uint32_t duty = (uint32_t)(cie_lightness(0xFFFF * (uint32_t)level / BACKLIGHT_LEVELS));
- // printf("duty: (%d)\n", duty);
- pwmEnableChannel(&BACKLIGHT_PWM_DRIVER, BACKLIGHT_PWM_CHANNEL - 1, PWM_FRACTION_TO_WIDTH(&BACKLIGHT_PWM_DRIVER, 0xFFFF, duty));
- }
- }
-}
-
-uint8_t backlight_tick = 0;
-
-void backlight_task(void) {}
-
-# define BREATHING_NO_HALT 0
-# define BREATHING_HALT_OFF 1
-# define BREATHING_HALT_ON 2
-# define BREATHING_STEPS 128
-
-static uint8_t breathing_halt = BREATHING_NO_HALT;
-static uint16_t breathing_counter = 0;
-
-bool is_breathing(void) { return BACKLIGHT_PWM_DRIVER.config == &pwmCFG_breathing; }
-
-static inline void breathing_min(void) { breathing_counter = 0; }
-
-static inline void breathing_max(void) { breathing_counter = get_breathing_period() * 256 / 2; }
-
-void breathing_interrupt_enable(void) {
- pwmStop(&BACKLIGHT_PWM_DRIVER);
- pwmStart(&BACKLIGHT_PWM_DRIVER, &pwmCFG_breathing);
- chSysLockFromISR();
- pwmEnablePeriodicNotification(&BACKLIGHT_PWM_DRIVER);
- pwmEnableChannelI(&BACKLIGHT_PWM_DRIVER, BACKLIGHT_PWM_CHANNEL - 1, PWM_FRACTION_TO_WIDTH(&BACKLIGHT_PWM_DRIVER, 0xFFFF, 0xFFFF));
- chSysUnlockFromISR();
-}
-
-void breathing_interrupt_disable(void) {
- pwmStop(&BACKLIGHT_PWM_DRIVER);
- pwmStart(&BACKLIGHT_PWM_DRIVER, &pwmCFG);
-}
-
-void breathing_enable(void) {
- breathing_counter = 0;
- breathing_halt = BREATHING_NO_HALT;
- breathing_interrupt_enable();
-}
-
-void breathing_pulse(void) {
- if (get_backlight_level() == 0)
- breathing_min();
- else
- breathing_max();
- breathing_halt = BREATHING_HALT_ON;
- breathing_interrupt_enable();
-}
-
-void breathing_disable(void) {
- // printf("breathing_disable()\n");
- breathing_interrupt_disable();
- // Restore backlight level
- backlight_set(get_backlight_level());
-}
-
-void breathing_self_disable(void) {
- if (get_backlight_level() == 0)
- breathing_halt = BREATHING_HALT_OFF;
- else
- breathing_halt = BREATHING_HALT_ON;
-}
-
-/* To generate breathing curve in python:
- * from math import sin, pi; [int(sin(x/128.0*pi)**4*255) for x in range(128)]
- */
-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 void breathing_callback(PWMDriver *pwmp) {
- (void)pwmp;
- uint8_t breathing_period = get_breathing_period();
- uint16_t interval = (uint16_t)breathing_period * 256 / BREATHING_STEPS;
- // resetting after one period to prevent ugly reset at overflow.
- breathing_counter = (breathing_counter + 1) % (breathing_period * 256);
- uint8_t index = breathing_counter / interval % BREATHING_STEPS;
-
- if (((breathing_halt == BREATHING_HALT_ON) && (index == BREATHING_STEPS / 2)) || ((breathing_halt == BREATHING_HALT_OFF) && (index == BREATHING_STEPS - 1))) {
- breathing_interrupt_disable();
- }
-
- uint32_t duty = cie_lightness(scale_backlight(breathing_table[index] * 256));
-
- chSysLockFromISR();
- pwmEnableChannelI(&BACKLIGHT_PWM_DRIVER, BACKLIGHT_PWM_CHANNEL - 1, PWM_FRACTION_TO_WIDTH(&BACKLIGHT_PWM_DRIVER, 0xFFFF, duty));
- chSysUnlockFromISR();
-}
-
-#endif
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