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SM2135 Add optional current configuration, avoid communication failures. (#3850)
Co-authored-by: matika77 <xmaximx@gmx.net> Co-authored-by: Dion <contact@dd32.id.au> Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
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@ -240,7 +240,7 @@ esphome/components/shutdown/* @esphome/core @jsuanet
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esphome/components/sigma_delta_output/* @Cat-Ion
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esphome/components/sim800l/* @glmnet
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esphome/components/sm10bit_base/* @Cossid
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esphome/components/sm2135/* @BoukeHaarsma23
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esphome/components/sm2135/* @BoukeHaarsma23 @dd32 @matika77
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esphome/components/sm2235/* @Cossid
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esphome/components/sm2335/* @Cossid
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esphome/components/sml/* @alengwenus
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@ -8,17 +8,49 @@ from esphome.const import (
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)
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AUTO_LOAD = ["output"]
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CODEOWNERS = ["@BoukeHaarsma23"]
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CODEOWNERS = ["@BoukeHaarsma23", "@matika77", "@dd32"]
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sm2135_ns = cg.esphome_ns.namespace("sm2135")
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SM2135 = sm2135_ns.class_("SM2135", cg.Component)
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CONF_RGB_CURRENT = "rgb_current"
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CONF_CW_CURRENT = "cw_current"
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SM2135Current = sm2135_ns.enum("SM2135Current")
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DRIVE_STRENGTHS_CW = {
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"10mA": SM2135Current.SM2135_CURRENT_10MA,
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"15mA": SM2135Current.SM2135_CURRENT_15MA,
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"20mA": SM2135Current.SM2135_CURRENT_20MA,
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"25mA": SM2135Current.SM2135_CURRENT_25MA,
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"30mA": SM2135Current.SM2135_CURRENT_30MA,
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"35mA": SM2135Current.SM2135_CURRENT_35MA,
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"40mA": SM2135Current.SM2135_CURRENT_40MA,
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"45mA": SM2135Current.SM2135_CURRENT_45MA,
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"50mA": SM2135Current.SM2135_CURRENT_50MA,
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"55mA": SM2135Current.SM2135_CURRENT_55MA,
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"60mA": SM2135Current.SM2135_CURRENT_60MA,
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}
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DRIVE_STRENGTHS_RGB = {
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"10mA": SM2135Current.SM2135_CURRENT_10MA,
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"15mA": SM2135Current.SM2135_CURRENT_15MA,
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"20mA": SM2135Current.SM2135_CURRENT_20MA,
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"25mA": SM2135Current.SM2135_CURRENT_25MA,
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"30mA": SM2135Current.SM2135_CURRENT_30MA,
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"35mA": SM2135Current.SM2135_CURRENT_35MA,
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"40mA": SM2135Current.SM2135_CURRENT_40MA,
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"45mA": SM2135Current.SM2135_CURRENT_45MA,
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}
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MULTI_CONF = True
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CONFIG_SCHEMA = cv.Schema(
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{
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cv.GenerateID(): cv.declare_id(SM2135),
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cv.Required(CONF_DATA_PIN): pins.gpio_output_pin_schema,
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cv.Required(CONF_CLOCK_PIN): pins.gpio_output_pin_schema,
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cv.Optional(CONF_RGB_CURRENT, "20mA"): cv.enum(DRIVE_STRENGTHS_RGB),
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cv.Optional(CONF_CW_CURRENT, "10mA"): cv.enum(DRIVE_STRENGTHS_CW),
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}
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).extend(cv.COMPONENT_SCHEMA)
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@ -31,3 +63,6 @@ async def to_code(config):
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cg.add(var.set_data_pin(data))
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clock = await cg.gpio_pin_expression(config[CONF_CLOCK_PIN])
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cg.add(var.set_clock_pin(clock))
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cg.add(var.set_rgb_current(config[CONF_RGB_CURRENT]))
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cg.add(var.set_cw_current(config[CONF_CW_CURRENT]))
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@ -19,63 +19,125 @@ static const uint8_t SM2135_ADDR_W = 0xC6; // Warm
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static const uint8_t SM2135_RGB = 0x00; // RGB channel
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static const uint8_t SM2135_CW = 0x80; // CW channel (Chip default)
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static const uint8_t SM2135_10MA = 0x00;
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static const uint8_t SM2135_15MA = 0x01;
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static const uint8_t SM2135_20MA = 0x02; // RGB max current (Chip default)
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static const uint8_t SM2135_25MA = 0x03;
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static const uint8_t SM2135_30MA = 0x04; // CW max current (Chip default)
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static const uint8_t SM2135_35MA = 0x05;
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static const uint8_t SM2135_40MA = 0x06;
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static const uint8_t SM2135_45MA = 0x07; // Max value for RGB
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static const uint8_t SM2135_50MA = 0x08;
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static const uint8_t SM2135_55MA = 0x09;
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static const uint8_t SM2135_60MA = 0x0A;
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static const uint8_t SM2135_CURRENT = (SM2135_20MA << 4) | SM2135_10MA;
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void SM2135::setup() {
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ESP_LOGCONFIG(TAG, "Setting up SM2135OutputComponent...");
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this->data_pin_->setup();
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this->data_pin_->digital_write(true);
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this->data_pin_->digital_write(false);
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this->data_pin_->pin_mode(gpio::FLAG_OUTPUT);
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this->clock_pin_->setup();
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this->clock_pin_->digital_write(true);
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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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this->data_pin_->pin_mode(gpio::FLAG_PULLUP);
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this->clock_pin_->pin_mode(gpio::FLAG_PULLUP);
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this->pwm_amounts_.resize(5, 0);
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}
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void SM2135::dump_config() {
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ESP_LOGCONFIG(TAG, "SM2135:");
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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, " CW Current: %dmA", 10 + (this->cw_current_ * 5));
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ESP_LOGCONFIG(TAG, " RGB Current: %dmA", 10 + (this->rgb_current_ * 5));
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}
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void SM2135::write_byte_(uint8_t data) {
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for (uint8_t mask = 0x80; mask; mask >>= 1) {
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if (mask & data) {
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this->sm2135_set_high_(this->data_pin_);
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} else {
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this->sm2135_set_low_(this->data_pin_);
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}
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this->sm2135_set_high_(this->clock_pin_);
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delayMicroseconds(4);
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this->sm2135_set_low_(clock_pin_);
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}
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this->sm2135_set_high_(this->data_pin_);
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this->sm2135_set_high_(this->clock_pin_);
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delayMicroseconds(2);
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this->sm2135_set_low_(this->clock_pin_);
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delayMicroseconds(2);
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this->sm2135_set_low_(this->data_pin_);
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}
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void SM2135::sm2135_start_() {
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this->sm2135_set_low_(this->data_pin_);
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delayMicroseconds(4);
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this->sm2135_set_low_(this->clock_pin_);
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}
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void SM2135::sm2135_stop_() {
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this->sm2135_set_low_(this->data_pin_);
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delayMicroseconds(4);
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this->sm2135_set_high_(this->clock_pin_);
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delayMicroseconds(4);
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this->sm2135_set_high_(this->data_pin_);
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delayMicroseconds(4);
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}
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void SM2135::write_buffer_(uint8_t *buffer, uint8_t size) {
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this->sm2135_start_();
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this->data_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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}
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this->sm2135_stop_();
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}
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void SM2135::loop() {
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if (!this->update_)
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return;
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uint8_t data[6];
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this->sm2135_start_();
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this->write_byte_(SM2135_ADDR_MC);
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this->write_byte_(current_mask_);
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if (this->update_channel_ == 3 || this->update_channel_ == 4) {
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// No color so must be Cold/Warm
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data[0] = SM2135_ADDR_MC;
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data[1] = SM2135_CURRENT;
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data[2] = SM2135_CW;
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this->write_buffer_(data, 3);
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this->write_byte_(SM2135_CW);
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this->sm2135_stop_();
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delay(1);
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data[0] = SM2135_ADDR_C;
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data[1] = this->pwm_amounts_[4]; // Warm
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data[2] = this->pwm_amounts_[3]; // Cold
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this->write_buffer_(data, 3);
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this->sm2135_start_();
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this->write_byte_(SM2135_ADDR_C);
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this->write_byte_(this->pwm_amounts_[4]); // Warm
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this->write_byte_(this->pwm_amounts_[3]); // Cold
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} else {
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// Color
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data[0] = SM2135_ADDR_MC;
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data[1] = SM2135_CURRENT;
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data[2] = SM2135_RGB;
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data[3] = this->pwm_amounts_[1]; // Green
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data[4] = this->pwm_amounts_[0]; // Red
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data[5] = this->pwm_amounts_[2]; // Blue
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this->write_buffer_(data, 6);
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this->write_byte_(SM2135_RGB);
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this->write_byte_(this->pwm_amounts_[1]); // Green
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this->write_byte_(this->pwm_amounts_[0]); // Red
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this->write_byte_(this->pwm_amounts_[2]); // Blue
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}
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this->sm2135_stop_();
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this->update_ = false;
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}
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void SM2135::set_channel_value_(uint8_t channel, uint8_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 SM2135::sm2135_set_low_(GPIOPin *pin) {
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pin->digital_write(false);
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pin->pin_mode(gpio::FLAG_OUTPUT);
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}
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void SM2135::sm2135_set_high_(GPIOPin *pin) {
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pin->digital_write(true);
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pin->pin_mode(gpio::FLAG_PULLUP);
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}
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} // namespace sm2135
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} // namespace esphome
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@ -1,19 +1,43 @@
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#pragma once
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#include <vector>
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#include "esphome/components/output/float_output.h"
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#include "esphome/core/component.h"
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#include "esphome/core/hal.h"
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#include "esphome/components/output/float_output.h"
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#include <vector>
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namespace esphome {
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namespace sm2135 {
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enum SM2135Current : uint8_t {
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SM2135_CURRENT_10MA = 0x00,
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SM2135_CURRENT_15MA = 0x01,
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SM2135_CURRENT_20MA = 0x02,
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SM2135_CURRENT_25MA = 0x03,
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SM2135_CURRENT_30MA = 0x04,
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SM2135_CURRENT_35MA = 0x05,
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SM2135_CURRENT_40MA = 0x06,
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SM2135_CURRENT_45MA = 0x07, // Max value for RGB
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SM2135_CURRENT_50MA = 0x08,
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SM2135_CURRENT_55MA = 0x09,
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SM2135_CURRENT_60MA = 0x0A,
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};
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class SM2135 : public Component {
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public:
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class Channel;
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void set_data_pin(GPIOPin *data_pin) { data_pin_ = data_pin; }
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void set_clock_pin(GPIOPin *clock_pin) { clock_pin_ = clock_pin; }
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void set_data_pin(GPIOPin *data_pin) { this->data_pin_ = data_pin; }
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void set_clock_pin(GPIOPin *clock_pin) { this->clock_pin_ = clock_pin; }
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void set_rgb_current(SM2135Current rgb_current) {
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this->rgb_current_ = rgb_current;
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this->current_mask_ = (this->rgb_current_ << 4) | this->cw_current_;
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}
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void set_cw_current(SM2135Current cw_current) {
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this->cw_current_ = cw_current;
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this->current_mask_ = (this->rgb_current_ << 4) | this->cw_current_;
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}
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void setup() override;
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@ -40,40 +64,20 @@ class SM2135 : public Component {
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};
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protected:
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void set_channel_value_(uint8_t channel, uint8_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 write_bit_(bool value) {
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this->clock_pin_->digital_write(false);
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this->data_pin_->digital_write(value);
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this->clock_pin_->digital_write(true);
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}
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void set_channel_value_(uint8_t channel, uint8_t value);
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void sm2135_set_low_(GPIOPin *pin);
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void sm2135_set_high_(GPIOPin *pin);
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void 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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}
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this->clock_pin_->digital_write(false);
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this->data_pin_->digital_write(true);
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this->clock_pin_->digital_write(true);
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}
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void write_buffer_(uint8_t *buffer, uint8_t size) {
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this->data_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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}
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this->clock_pin_->digital_write(false);
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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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void sm2135_start_();
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void sm2135_stop_();
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void write_byte_(uint8_t data);
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void write_buffer_(uint8_t *buffer, uint8_t size);
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GPIOPin *data_pin_;
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GPIOPin *clock_pin_;
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uint8_t current_mask_;
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SM2135Current rgb_current_;
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SM2135Current cw_current_;
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uint8_t update_channel_;
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std::vector<uint8_t> pwm_amounts_;
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bool update_{true};
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@ -300,6 +300,8 @@ text_sensor:
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sm2135:
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data_pin: GPIO12
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clock_pin: GPIO14
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rgb_current: 20mA
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cw_current: 60mA
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switch:
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- platform: template
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