51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
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#pragma once
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#include <stdint.h>
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#include <math.h>
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#include "pico/stdlib.h"
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#include "hardware/pwm.h"
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#include "common/pimoroni_common.hpp"
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namespace pimoroni {
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class RGBLED {
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public:
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RGBLED(uint pin_r, uint pin_g, uint pin_b, Polarity polarity=Polarity::ACTIVE_LOW, uint8_t brightness=255) :
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pin_r(pin_r), pin_g(pin_g), pin_b(pin_b), polarity(polarity), led_brightness(brightness) {
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pwm_cfg = pwm_get_default_config();
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pwm_config_set_wrap(&pwm_cfg, UINT16_MAX);
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pwm_init(pwm_gpio_to_slice_num(pin_r), &pwm_cfg, true);
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gpio_set_function(pin_r, GPIO_FUNC_PWM);
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pwm_init(pwm_gpio_to_slice_num(pin_g), &pwm_cfg, true);
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gpio_set_function(pin_g, GPIO_FUNC_PWM);
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pwm_init(pwm_gpio_to_slice_num(pin_b), &pwm_cfg, true);
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gpio_set_function(pin_b, GPIO_FUNC_PWM);
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};
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~RGBLED() {
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gpio_set_function(pin_r, GPIO_FUNC_NULL);
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gpio_set_function(pin_g, GPIO_FUNC_NULL);
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gpio_set_function(pin_b, GPIO_FUNC_NULL);
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}
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void set_rgb(uint8_t r, uint8_t g, uint8_t b);
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void set_hsv(float h, float s, float v);
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void set_brightness(uint8_t brightness);
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private:
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uint pin_r;
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uint pin_g;
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uint pin_b;
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Polarity polarity;
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pwm_config pwm_cfg;
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uint8_t led_r;
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uint8_t led_g;
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uint8_t led_b;
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uint8_t led_brightness = 255;
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void update_pwm();
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};
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}
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