mirror of https://github.com/esphome/esphome.git
131 lines
4.1 KiB
C++
131 lines
4.1 KiB
C++
#include "bp1658cj.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace bp1658cj {
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static const char *const TAG = "bp1658cj";
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static const uint8_t BP1658CJ_MODEL_ID = 0x80;
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static const uint8_t BP1658CJ_ADDR_STANDBY = 0x0;
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static const uint8_t BP1658CJ_ADDR_START_3CH = 0x10;
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static const uint8_t BP1658CJ_ADDR_START_2CH = 0x20;
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static const uint8_t BP1658CJ_ADDR_START_5CH = 0x30;
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static const uint8_t BP1658CJ_DELAY = 2;
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void BP1658CJ::setup() {
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ESP_LOGCONFIG(TAG, "Setting up BP1658CJ Output Component...");
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this->data_pin_->setup();
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this->data_pin_->digital_write(false);
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this->clock_pin_->setup();
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this->clock_pin_->digital_write(false);
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this->pwm_amounts_.resize(5, 0);
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}
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void BP1658CJ::dump_config() {
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ESP_LOGCONFIG(TAG, "BP1658CJ:");
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LOG_PIN(" Data Pin: ", this->data_pin_);
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LOG_PIN(" Clock Pin: ", this->clock_pin_);
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ESP_LOGCONFIG(TAG, " Color Channels Max Power: %u", this->max_power_color_channels_);
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ESP_LOGCONFIG(TAG, " White Channels Max Power: %u", this->max_power_white_channels_);
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}
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void BP1658CJ::loop() {
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if (!this->update_)
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return;
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uint8_t data[12];
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if (this->pwm_amounts_[0] == 0 && this->pwm_amounts_[1] == 0 && this->pwm_amounts_[2] == 0 &&
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this->pwm_amounts_[3] == 0 && this->pwm_amounts_[4] == 0) {
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for (int i = 1; i < 12; i++)
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data[i] = 0;
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// First turn all channels off
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data[0] = BP1658CJ_MODEL_ID + BP1658CJ_ADDR_START_5CH;
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this->write_buffer_(data, 12);
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// Then sleep
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data[0] = BP1658CJ_MODEL_ID + BP1658CJ_ADDR_STANDBY;
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this->write_buffer_(data, 12);
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} else if (this->pwm_amounts_[0] == 0 && this->pwm_amounts_[1] == 0 && this->pwm_amounts_[2] == 0 &&
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(this->pwm_amounts_[3] > 0 || this->pwm_amounts_[4] > 0)) {
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// Only data on white channels
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data[0] = BP1658CJ_MODEL_ID + BP1658CJ_ADDR_START_2CH;
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data[1] = 0 << 4 | this->max_power_white_channels_;
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for (int i = 2, j = 0; i < 12; i += 2, j++) {
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data[i] = this->pwm_amounts_[j] & 0x1F;
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data[i + 1] = (this->pwm_amounts_[j] >> 5) & 0x1F;
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}
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this->write_buffer_(data, 12);
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} else if ((this->pwm_amounts_[0] > 0 || this->pwm_amounts_[1] > 0 || this->pwm_amounts_[2] > 0) &&
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this->pwm_amounts_[3] == 0 && this->pwm_amounts_[4] == 0) {
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// Only data on RGB channels
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data[0] = BP1658CJ_MODEL_ID + BP1658CJ_ADDR_START_3CH;
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data[1] = this->max_power_color_channels_ << 4 | 0;
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for (int i = 2, j = 0; i < 12; i += 2, j++) {
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data[i] = this->pwm_amounts_[j] & 0x1F;
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data[i + 1] = (this->pwm_amounts_[j] >> 5) & 0x1F;
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}
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this->write_buffer_(data, 12);
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} else {
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// All channels
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data[0] = BP1658CJ_MODEL_ID + BP1658CJ_ADDR_START_5CH;
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data[1] = this->max_power_color_channels_ << 4 | this->max_power_white_channels_;
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for (int i = 2, j = 0; i < 12; i += 2, j++) {
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data[i] = this->pwm_amounts_[j] & 0x1F;
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data[i + 1] = (this->pwm_amounts_[j] >> 5) & 0x1F;
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}
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this->write_buffer_(data, 12);
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}
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this->update_ = false;
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}
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void BP1658CJ::set_channel_value_(uint8_t channel, uint16_t value) {
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if (this->pwm_amounts_[channel] != value) {
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this->update_ = true;
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this->update_channel_ = channel;
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}
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this->pwm_amounts_[channel] = value;
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}
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void BP1658CJ::write_bit_(bool value) {
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this->data_pin_->digital_write(value);
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this->clock_pin_->digital_write(true);
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delayMicroseconds(BP1658CJ_DELAY);
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this->clock_pin_->digital_write(false);
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}
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void BP1658CJ::write_byte_(uint8_t data) {
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for (uint8_t mask = 0x80; mask; mask >>= 1) {
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this->write_bit_(data & mask);
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delayMicroseconds(BP1658CJ_DELAY);
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}
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// ack bit
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this->data_pin_->pin_mode(gpio::FLAG_INPUT);
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this->clock_pin_->digital_write(true);
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delayMicroseconds(BP1658CJ_DELAY);
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this->clock_pin_->digital_write(false);
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this->data_pin_->pin_mode(gpio::FLAG_OUTPUT);
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}
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void BP1658CJ::write_buffer_(uint8_t *buffer, uint8_t size) {
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this->data_pin_->digital_write(false);
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this->clock_pin_->digital_write(false);
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for (uint32_t i = 0; i < size; i++) {
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this->write_byte_(buffer[i]);
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delayMicroseconds(BP1658CJ_DELAY);
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}
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this->clock_pin_->digital_write(true);
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this->data_pin_->digital_write(true);
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}
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} // namespace bp1658cj
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} // namespace esphome
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