Beginning the real controller dev

CLC-qthing/CyanLightControl.hpp

+#pragma once
+
+#include <cinttypes>
+
+
+
+
+namespace CyanLight {
+
+  const uint8_t MAX_CHANNELS = 6;
+  
+
+  class Controller {
+    public:
+      Controller();
+
+    private:
+      PWMChannel channels[MAX_CHANNELS];
+
+  };
+
+}

CLC-qthing/PWMChannel.cpp

+#include "FastDimmer.hpp"
+
+#include "driver/gpio.h"
+#include "driver/ledc.h"
+
+
+
+static uint8_t _channel_cnt = 0;
+
+uint8_t getNextPWMChannel() {
+  return _channel_cnt++;
+}
+
+
+static bool timerConfigured = false;
+
+static void configureTimer() {
+  if (!timerConfigured) {
+    ledc_timer_config_t ledc_timer;
+    ledc_timer.duty_resolution = LEDC_TIMER_10_BIT, // resolution of PWM duty
+    ledc_timer.freq_hz = 1000,                       // frequency of PWM signal; 2KHz is max for CN5711
+    ledc_timer.speed_mode = LEDC_HIGH_SPEED_MODE,   // timer mode
+    ledc_timer.timer_num = LEDC_TIMER_0,            // timer index
+    // Required for newer esp-idf:
+    //ledc_timer.clk_cfg = LEDC_AUTO_CLK,             // Auto select the source clock
+    ledc_timer_config(&ledc_timer);
+
+    ledc_fade_func_install(0);
+
+    timerConfigured = true;
+  }
+}
+
+
+PWMChannel::PWMChannel(uint8_t gpio) {
+
+  configureTimer();
+
+  gpio_config_t conf;
+
+  conf.intr_type = GPIO_INTR_DISABLE;
+  conf.mode = GPIO_MODE_OUTPUT;
+  conf.pin_bit_mask = 1ULL << gpio;
+  conf.pull_up_en = GPIO_PULLUP_DISABLE;
+  conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
+
+  gpio_config(&conf);
+  gpio_set_level((gpio_num_t)gpio, 0);
+
+
+  ledc_channel_config_t ledc_channel;
+  ledc_channel.channel    = this->channel;
+  ledc_channel.duty       = 0;
+  ledc_channel.gpio_num   = (gpio_num_t)gpio;
+  ledc_channel.speed_mode = LEDC_HIGH_SPEED_MODE;
+  ledc_channel.hpoint     = 0;
+  ledc_channel.timer_sel  = LEDC_TIMER_0;
+
+  ledc_channel_config(&ledc_channel);
+
+  setBrightness(0);
+}
+
+const float maxPWM = 1024.0f;
+
+void PWMChannel::setBrightness(float b) {
+
+  uint16_t pwm = (uint16_t)( b*b * maxPWM );
+
+  ledc_set_duty(LEDC_HIGH_SPEED_MODE, this->channel, pwm);
+  ledc_update_duty(LEDC_HIGH_SPEED_MODE, this->channel);
+}

CLC-qthing/PWMChannel.hpp

+#pragma once
+
+#include <qthing.h>
+
+#include "driver/ledc.h"
+
+
+ledc_channel_t getNextLEDChannel();
+
+
+namespace CyanLight {
+
+  class PWMChannel {
+    public:
+      PWMChannel(uint8_t gpio);
+
+      float getBrightness();
+      void setBrightness(float b);
+    
+    private:
+      ledc_channel_t channel = getNextLEDChannel();
+  };
+
+}