Merge pull request #877 from Dmitry422/dev

Сombining rgb_backlight (by @quen0n) and original_backlight in one firmware

lib/drivers/SK6805.c

@@ -0,0 +1,102 @@
+/*
+    SK6805 FlipperZero driver
+    Copyright (C) 2022-2023 Victor Nikitchuk (https://github.com/quen0n)
+
+    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 3 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 <https://www.gnu.org/licenses/>.
+*/
+
+#include "SK6805.h"
+#include <furi_hal.h>
+
+/* Настройки */
+#define SK6805_LED_COUNT 3 //Количество светодиодов на плате подсветки
+#define SK6805_LED_PIN   &led_pin //Порт подключения светодиодов
+
+#ifdef FURI_DEBUG
+#define DEBUG_PIN &gpio_ext_pa7
+#define DEBUG_INIT() \
+    furi_hal_gpio_init(DEBUG_PIN, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh)
+#define DEBUG_SET_HIGH() furi_hal_gpio_write(DEBUG_PIN, true)
+#define DEBUG_SET_LOW()  furi_hal_gpio_write(DEBUG_PIN, false)
+#else
+#define DEBUG_INIT()
+#define DEBUG_SET_HIGH()
+#define DEBUG_SET_LOW()
+#endif
+
+static const GpioPin led_pin = {.port = GPIOA, .pin = LL_GPIO_PIN_8};
+static uint8_t led_buffer[SK6805_LED_COUNT][3];
+
+void SK6805_init(void) {
+    DEBUG_INIT();
+    furi_hal_gpio_write(SK6805_LED_PIN, false);
+    furi_hal_gpio_init(SK6805_LED_PIN, GpioModeOutputPushPull, GpioPullNo, GpioSpeedVeryHigh);
+}
+
+uint8_t SK6805_get_led_count(void) {
+    return (const uint8_t)SK6805_LED_COUNT;
+}
+void SK6805_set_led_color(uint8_t led_index, uint8_t r, uint8_t g, uint8_t b) {
+    furi_check(led_index < SK6805_LED_COUNT);
+
+    led_buffer[led_index][0] = g;
+    led_buffer[led_index][1] = r;
+    led_buffer[led_index][2] = b;
+}
+
+void SK6805_update(void) {
+    SK6805_init();
+    FURI_CRITICAL_ENTER();
+    furi_delay_us(100);
+    uint32_t end;
+    /* Последовательная отправка цветов светодиодов */
+    for(uint8_t lednumber = 0; lednumber < SK6805_LED_COUNT; lednumber++) {
+        //Последовательная отправка цветов светодиода
+        for(uint8_t color = 0; color < 3; color++) {
+            //Последовательная отправка битов цвета
+            uint8_t i = 0b10000000;
+            while(i != 0) {
+                if(led_buffer[lednumber][color] & (i)) {
+                    furi_hal_gpio_write(SK6805_LED_PIN, true);
+                    DEBUG_SET_HIGH();
+                    end = DWT->CYCCNT + 30;
+                    //T1H 600 us (615 us)
+                    while(DWT->CYCCNT < end) {
+                    }
+                    furi_hal_gpio_write(SK6805_LED_PIN, false);
+                    DEBUG_SET_LOW();
+                    end = DWT->CYCCNT + 26;
+                    //T1L  600 us (587 us)
+                    while(DWT->CYCCNT < end) {
+                    }
+                } else {
+                    furi_hal_gpio_write(SK6805_LED_PIN, true);
+                    DEBUG_SET_HIGH();
+                    end = DWT->CYCCNT + 11;
+                    //T0H 300 ns (312 ns)
+                    while(DWT->CYCCNT < end) {
+                    }
+                    furi_hal_gpio_write(SK6805_LED_PIN, false);
+                    DEBUG_SET_LOW();
+                    end = DWT->CYCCNT + 43;
+                    //T0L 900 ns (890 ns)
+                    while(DWT->CYCCNT < end) {
+                    }
+                }
+                i >>= 1;
+            }
+        }
+    }
+    FURI_CRITICAL_EXIT();
+}

lib/drivers/SK6805.h

@@ -0,0 +1,58 @@
+/*
+    SK6805 FlipperZero driver
+    Copyright (C) 2022-2023 Victor Nikitchuk (https://github.com/quen0n)
+
+    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 3 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 <https://www.gnu.org/licenses/>.
+*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef SK6805_H_
+#define SK6805_H_
+
+#include <furi.h>
+
+/**
+ * @brief Инициализация линии управления подсветкой
+ */
+void SK6805_init(void);
+
+/**
+ * @brief Получить количество светодиодов в подсветке
+ *
+ * @return Количество светодиодов
+ */
+uint8_t SK6805_get_led_count(void);
+
+/**
+ * @brief Установить цвет свечения светодиода
+ *
+ * @param led_index номер светодиода (от 0 до SK6805_get_led_count())
+ * @param r значение красного (0-255)
+ * @param g значение зелёного (0-255)
+ * @param b значение синего (0-255)
+ */
+void SK6805_set_led_color(uint8_t led_index, uint8_t r, uint8_t g, uint8_t b);
+
+/**
+ * @brief Обновление состояния подсветки дисплея
+ */
+void SK6805_update(void);
+
+#endif /* SK6805_H_ */
+
+#ifdef __cplusplus
+}
+#endif