esphome/esphome/components/bp1658cj/bp1658cj.cpp

110 lines
3.8 KiB
C++

#include "bp1658cj.h"
#include "esphome/core/log.h"
namespace esphome {
namespace bp1658cj {
static const char *const TAG = "bp1658cj";
static const uint8_t BP1658CJ_MODEL_ID = 0x80;
static const uint8_t BP1658CJ_ADDR_STANDBY = 0x0;
static const uint8_t BP1658CJ_ADDR_START_3CH = 0x10;
static const uint8_t BP1658CJ_ADDR_START_2CH = 0x20;
static const uint8_t BP1658CJ_ADDR_START_5CH = 0x30;
void BP1658CJ::setup() {
ESP_LOGCONFIG(TAG, "Setting up BP1658CJ Output Component...");
this->data_pin_->setup();
this->data_pin_->digital_write(false);
this->clock_pin_->setup();
this->clock_pin_->digital_write(false);
this->pwm_amounts_.resize(5, 0);
}
void BP1658CJ::dump_config() {
ESP_LOGCONFIG(TAG, "BP1658CJ:");
LOG_PIN(" Data Pin: ", this->data_pin_);
LOG_PIN(" Clock Pin: ", this->clock_pin_);
ESP_LOGCONFIG(TAG, " Color Channels Max Power: %u", this->max_power_color_channels_);
ESP_LOGCONFIG(TAG, " White Channels Max Power: %u", this->max_power_white_channels_);
}
void BP1658CJ::loop() {
if (!this->update_)
return;
uint8_t data[12];
if (this->pwm_amounts_[0] == 0 && this->pwm_amounts_[1] == 0 && this->pwm_amounts_[2] == 0 &&
this->pwm_amounts_[3] == 0 && this->pwm_amounts_[4] == 0) {
// Off / Sleep
data[0] = BP1658CJ_MODEL_ID + BP1658CJ_ADDR_STANDBY;
for (int i = 1; i < 12; i++)
data[i] = 0;
this->write_buffer_(data, 12);
} else if (this->pwm_amounts_[0] == 0 && this->pwm_amounts_[1] == 0 && this->pwm_amounts_[2] == 0 &&
(this->pwm_amounts_[3] > 0 || this->pwm_amounts_[4] > 0)) {
// Only data on white channels
data[0] = BP1658CJ_MODEL_ID + BP1658CJ_ADDR_START_2CH;
data[1] = 0 << 4 | this->max_power_white_channels_;
for (int i = 2, j = 0; i < 12; i += 2, j++) {
data[i] = this->pwm_amounts_[j] & 0x1F;
data[i + 1] = (this->pwm_amounts_[j] >> 5) & 0x1F;
}
this->write_buffer_(data, 12);
} else if ((this->pwm_amounts_[0] > 0 || this->pwm_amounts_[1] > 0 || this->pwm_amounts_[2] > 0) &&
this->pwm_amounts_[3] == 0 && this->pwm_amounts_[4] == 0) {
// Only data on RGB channels
data[0] = BP1658CJ_MODEL_ID + BP1658CJ_ADDR_START_3CH;
data[1] = this->max_power_color_channels_ << 4 | 0;
for (int i = 2, j = 0; i < 12; i += 2, j++) {
data[i] = this->pwm_amounts_[j] & 0x1F;
data[i + 1] = (this->pwm_amounts_[j] >> 5) & 0x1F;
}
this->write_buffer_(data, 12);
} else {
// All channels
data[0] = BP1658CJ_MODEL_ID + BP1658CJ_ADDR_START_5CH;
data[1] = this->max_power_color_channels_ << 4 | this->max_power_white_channels_;
for (int i = 2, j = 0; i < 12; i += 2, j++) {
data[i] = this->pwm_amounts_[j] & 0x1F;
data[i + 1] = (this->pwm_amounts_[j] >> 5) & 0x1F;
}
this->write_buffer_(data, 12);
}
this->update_ = false;
}
void BP1658CJ::set_channel_value_(uint8_t channel, uint16_t value) {
if (this->pwm_amounts_[channel] != value) {
this->update_ = true;
this->update_channel_ = channel;
}
this->pwm_amounts_[channel] = value;
}
void BP1658CJ::write_bit_(bool value) {
this->clock_pin_->digital_write(false);
this->data_pin_->digital_write(value);
this->clock_pin_->digital_write(true);
}
void BP1658CJ::write_byte_(uint8_t data) {
for (uint8_t mask = 0x80; mask; mask >>= 1) {
this->write_bit_(data & mask);
}
this->clock_pin_->digital_write(false);
this->data_pin_->digital_write(true);
this->clock_pin_->digital_write(true);
}
void BP1658CJ::write_buffer_(uint8_t *buffer, uint8_t size) {
this->data_pin_->digital_write(false);
for (uint32_t i = 0; i < size; i++) {
this->write_byte_(buffer[i]);
}
this->clock_pin_->digital_write(false);
this->clock_pin_->digital_write(true);
this->data_pin_->digital_write(true);
}
} // namespace bp1658cj
} // namespace esphome