Move some led drivers to common folder (#13749)

* Move some led drivers to common folder

2 files changed, 0 insertions, 192 deletions

diff --git a/drivers/apa102/apa102.c b/drivers/apa102/apa102.c
deleted file mode 100644
index 7396dc3c55..0000000000
--- a/drivers/apa102/apa102.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/* Copyright 2020 Aldehir Rojas
- * Copyright 2017 Mikkel (Duckle29)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "apa102.h"
-#include "quantum.h"
-
-#ifndef APA102_NOPS
-#    if defined(__AVR__)
-#        define APA102_NOPS 0  // AVR at 16 MHz already spends 62.5 ns per clock, so no extra delay is needed
-#    elif defined(PROTOCOL_CHIBIOS)
-
-#        include "hal.h"
-#        if defined(STM32F0XX) || defined(STM32F1XX) || defined(STM32F3XX) || defined(STM32F4XX) || defined(STM32L0XX)
-#            define APA102_NOPS (100 / (1000000000L / (STM32_SYSCLK / 4)))  // This calculates how many loops of 4 nops to run to delay 100 ns
-#        else
-#            error("APA102_NOPS configuration required")
-#            define APA102_NOPS 0  // this just pleases the compile so the above error is easier to spot
-#        endif
-#    endif
-#endif
-
-#define io_wait                                 \
-    do {                                        \
-        for (int i = 0; i < APA102_NOPS; i++) { \
-            __asm__ volatile("nop\n\t"          \
-                             "nop\n\t"          \
-                             "nop\n\t"          \
-                             "nop\n\t");        \
-        }                                       \
-    } while (0)
-
-#define APA102_SEND_BIT(byte, bit)               \
-    do {                                         \
-        writePin(RGB_DI_PIN, (byte >> bit) & 1); \
-        io_wait;                                 \
-        writePinHigh(RGB_CI_PIN);                \
-        io_wait;                                 \
-        writePinLow(RGB_CI_PIN);                 \
-        io_wait;                                 \
-    } while (0)
-
-uint8_t apa102_led_brightness = APA102_DEFAULT_BRIGHTNESS;
-
-void static apa102_start_frame(void);
-void static apa102_end_frame(uint16_t num_leds);
-
-void static apa102_send_frame(uint8_t red, uint8_t green, uint8_t blue, uint8_t brightness);
-void static apa102_send_byte(uint8_t byte);
-
-void apa102_setleds(LED_TYPE *start_led, uint16_t num_leds) {
-    LED_TYPE *end = start_led + num_leds;
-
-    apa102_start_frame();
-    for (LED_TYPE *led = start_led; led < end; led++) {
-        apa102_send_frame(led->r, led->g, led->b, apa102_led_brightness);
-    }
-    apa102_end_frame(num_leds);
-}
-
-// Overwrite the default rgblight_call_driver to use apa102 driver
-void rgblight_call_driver(LED_TYPE *start_led, uint8_t num_leds) { apa102_setleds(start_led, num_leds); }
-
-void static apa102_init(void) {
-    setPinOutput(RGB_DI_PIN);
-    setPinOutput(RGB_CI_PIN);
-
-    writePinLow(RGB_DI_PIN);
-    writePinLow(RGB_CI_PIN);
-}
-
-void apa102_set_brightness(uint8_t brightness) {
-    if (brightness > APA102_MAX_BRIGHTNESS) {
-        apa102_led_brightness = APA102_MAX_BRIGHTNESS;
-    } else if (brightness < 0) {
-        apa102_led_brightness = 0;
-    } else {
-        apa102_led_brightness = brightness;
-    }
-}
-
-void static apa102_send_frame(uint8_t red, uint8_t green, uint8_t blue, uint8_t brightness) {
-    apa102_send_byte(0b11100000 | brightness);
-    apa102_send_byte(blue);
-    apa102_send_byte(green);
-    apa102_send_byte(red);
-}
-
-void static apa102_start_frame(void) {
-    apa102_init();
-    for (uint16_t i = 0; i < 4; i++) {
-        apa102_send_byte(0);
-    }
-}
-
-void static apa102_end_frame(uint16_t num_leds) {
-    // This function has been taken from: https://github.com/pololu/apa102-arduino/blob/master/APA102.h
-    // and adapted. The code is MIT licensed. I think thats compatible?
-    //
-    // The data stream seen by the last LED in the chain will be delayed by
-    // (count - 1) clock edges, because each LED before it inverts the clock
-    // line and delays the data by one clock edge.  Therefore, to make sure
-    // the last LED actually receives the data we wrote, the number of extra
-    // edges we send at the end of the frame must be at least (count - 1).
-    //
-    // Assuming we only want to send these edges in groups of size K, the
-    // C/C++ expression for the minimum number of groups to send is:
-    //
-    //   ((count - 1) + (K - 1)) / K
-    //
-    // The C/C++ expression above is just (count - 1) divided by K,
-    // rounded up to the nearest whole number if there is a remainder.
-    //
-    // We set K to 16 and use the formula above as the number of frame-end
-    // bytes to transfer.  Each byte has 16 clock edges.
-    //
-    // We are ignoring the specification for the end frame in the APA102
-    // datasheet, which says to send 0xFF four times, because it does not work
-    // when you have 66 LEDs or more, and also it results in unwanted white
-    // pixels if you try to update fewer LEDs than are on your LED strip.
-    uint16_t iterations = (num_leds + 14) / 16;
-    for (uint16_t i = 0; i < iterations; i++) {
-        apa102_send_byte(0);
-    }
-
-    apa102_init();
-}
-
-void static apa102_send_byte(uint8_t byte) {
-    APA102_SEND_BIT(byte, 7);
-    APA102_SEND_BIT(byte, 6);
-    APA102_SEND_BIT(byte, 5);
-    APA102_SEND_BIT(byte, 4);
-    APA102_SEND_BIT(byte, 3);
-    APA102_SEND_BIT(byte, 2);
-    APA102_SEND_BIT(byte, 1);
-    APA102_SEND_BIT(byte, 0);
-}
diff --git a/drivers/apa102/apa102.h b/drivers/apa102/apa102.h
deleted file mode 100644
index 58cf020c1e..0000000000
--- a/drivers/apa102/apa102.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/* Copyright 2020 Aldehir Rojas
- * Copyright 2017 Mikkel (Duckle29)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#include "color.h"
-
-#ifndef APA102_DEFAULT_BRIGHTNESS
-#    define APA102_DEFAULT_BRIGHTNESS 31
-#endif
-
-#define APA102_MAX_BRIGHTNESS 31
-
-extern uint8_t apa102_led_brightness;
-
-/* User Interface
- *
- * Input:
- *         start_led:          An array of GRB data describing the LED colors
- *         num_leds:           The number of LEDs to write
- *
- * The functions will perform the following actions:
- *         - Set the data-out pin as output
- *         - Send out the LED data
- */
-void apa102_setleds(LED_TYPE *start_led, uint16_t num_leds);
-void apa102_set_brightness(uint8_t brightness);