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https://github.com/esphome/esphome.git
synced 2024-11-23 23:48:11 +01:00
Implemented support for the TLC5971 as an output component (#6494)
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15 changed files with 303 additions and 0 deletions
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@ -364,6 +364,7 @@ esphome/components/text/* @mauritskorse
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esphome/components/thermostat/* @kbx81
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esphome/components/time/* @OttoWinter
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esphome/components/tlc5947/* @rnauber
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esphome/components/tlc5971/* @IJIJI
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esphome/components/tm1621/* @Philippe12
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esphome/components/tm1637/* @glmnet
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esphome/components/tm1638/* @skykingjwc
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40
esphome/components/tlc5971/__init__.py
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40
esphome/components/tlc5971/__init__.py
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# this component is for the "TLC5971 12-Channel, 12-Bit PWM LED Driver" [https://www.ti.com/lit/ds/symlink/tlc5971.pdf],
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# which is used e.g. on [https://www.adafruit.com/product/1455]. The code is based on the TLC5947 component by @rnauber.
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome import pins
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from esphome.const import (
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CONF_CLOCK_PIN,
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CONF_DATA_PIN,
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CONF_ID,
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CONF_NUM_CHIPS,
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)
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CODEOWNERS = ["@IJIJI"]
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tlc5971_ns = cg.esphome_ns.namespace("tlc5971")
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TLC5971 = tlc5971_ns.class_("TLC5971", cg.Component)
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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(TLC5971),
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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_NUM_CHIPS, default=1): cv.int_range(min=1, max=85),
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}
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).extend(cv.COMPONENT_SCHEMA)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await cg.register_component(var, config)
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data = await cg.gpio_pin_expression(config[CONF_DATA_PIN])
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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_num_chips(config[CONF_NUM_CHIPS]))
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27
esphome/components/tlc5971/output/__init__.py
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27
esphome/components/tlc5971/output/__init__.py
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import esphome.codegen as cg
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import esphome.config_validation as cv
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from esphome.components import output
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from esphome.const import CONF_CHANNEL, CONF_ID
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from .. import TLC5971, tlc5971_ns
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DEPENDENCIES = ["tlc5971"]
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TLC5971Channel = tlc5971_ns.class_(
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"TLC5971Channel", output.FloatOutput, cg.Parented.template(TLC5971)
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)
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CONF_TLC5971_ID = "tlc5971_id"
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CONFIG_SCHEMA = output.FLOAT_OUTPUT_SCHEMA.extend(
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{
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cv.GenerateID(CONF_TLC5971_ID): cv.use_id(TLC5971),
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cv.Required(CONF_ID): cv.declare_id(TLC5971Channel),
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cv.Required(CONF_CHANNEL): cv.int_range(min=0, max=65535),
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}
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).extend(cv.COMPONENT_SCHEMA)
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async def to_code(config):
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var = cg.new_Pvariable(config[CONF_ID])
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await output.register_output(var, config)
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await cg.register_parented(var, config[CONF_TLC5971_ID])
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cg.add(var.set_channel(config[CONF_CHANNEL]))
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12
esphome/components/tlc5971/output/tlc5971_output.cpp
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12
esphome/components/tlc5971/output/tlc5971_output.cpp
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#include "tlc5971_output.h"
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namespace esphome {
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namespace tlc5971 {
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void TLC5971Channel::write_state(float state) {
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auto amount = static_cast<uint16_t>(state * 0xffff);
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this->parent_->set_channel_value(this->channel_, amount);
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}
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} // namespace tlc5971
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} // namespace esphome
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22
esphome/components/tlc5971/output/tlc5971_output.h
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22
esphome/components/tlc5971/output/tlc5971_output.h
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#pragma once
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#include "esphome/core/helpers.h"
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#include "esphome/components/output/float_output.h"
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#include "../tlc5971.h"
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namespace esphome {
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namespace tlc5971 {
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class TLC5971Channel : public output::FloatOutput, public Parented<TLC5971> {
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public:
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void set_channel(uint8_t channel) { this->channel_ = channel; }
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protected:
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void write_state(float state) override;
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uint8_t channel_;
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};
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} // namespace tlc5971
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} // namespace esphome
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101
esphome/components/tlc5971/tlc5971.cpp
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101
esphome/components/tlc5971/tlc5971.cpp
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#include "tlc5971.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace tlc5971 {
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static const char *const TAG = "tlc5971";
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void TLC5971::setup() {
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this->data_pin_->setup();
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this->data_pin_->digital_write(true);
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this->clock_pin_->setup();
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this->clock_pin_->digital_write(true);
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this->pwm_amounts_.resize(this->num_chips_ * N_CHANNELS_PER_CHIP, 0);
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ESP_LOGCONFIG(TAG, "Done setting up TLC5971 output component.");
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}
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void TLC5971::dump_config() {
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ESP_LOGCONFIG(TAG, "TLC5971:");
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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, " Number of chips: %u", this->num_chips_);
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}
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void TLC5971::loop() {
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if (!this->update_)
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return;
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uint32_t command;
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// Magic word for write
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command = 0x25;
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command <<= 5;
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// OUTTMG = 1, EXTGCK = 0, TMGRST = 1, DSPRPT = 1, BLANK = 0 -> 0x16
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command |= 0x16;
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command <<= 7;
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command |= 0x7F; // default 100% brigthness
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command <<= 7;
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command |= 0x7F; // default 100% brigthness
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command <<= 7;
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command |= 0x7F; // default 100% brigthness
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for (uint8_t n = 0; n < num_chips_; n++) {
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this->transfer_(command >> 24);
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this->transfer_(command >> 16);
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this->transfer_(command >> 8);
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this->transfer_(command);
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// 12 channels per TLC59711
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for (int8_t c = 11; c >= 0; c--) {
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// 16 bits per channel, send MSB first
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this->transfer_(pwm_amounts_.at(n * 12 + c) >> 8);
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this->transfer_(pwm_amounts_.at(n * 12 + c));
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}
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}
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this->update_ = false;
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}
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void TLC5971::transfer_(uint8_t send) {
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uint8_t startbit = 0x80;
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bool towrite, lastmosi = !(send & startbit);
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uint8_t bitdelay_us = (1000000 / 1000000) / 2;
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for (uint8_t b = startbit; b != 0; b = b >> 1) {
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if (bitdelay_us) {
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delayMicroseconds(bitdelay_us);
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}
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towrite = send & b;
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if ((lastmosi != towrite)) {
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this->data_pin_->digital_write(towrite);
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lastmosi = towrite;
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}
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this->clock_pin_->digital_write(true);
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if (bitdelay_us) {
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delayMicroseconds(bitdelay_us);
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}
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this->clock_pin_->digital_write(false);
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}
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}
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void TLC5971::set_channel_value(uint16_t channel, uint16_t value) {
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if (channel >= this->num_chips_ * N_CHANNELS_PER_CHIP)
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return;
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if (this->pwm_amounts_[channel] != value) {
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this->update_ = true;
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}
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this->pwm_amounts_[channel] = value;
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}
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} // namespace tlc5971
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} // namespace esphome
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43
esphome/components/tlc5971/tlc5971.h
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43
esphome/components/tlc5971/tlc5971.h
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#pragma once
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// TLC5971 12-Channel, 16-Bit PWM LED Driver
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// https://www.ti.com/lit/ds/symlink/tlc5971.pdf
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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 tlc5971 {
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class TLC5971 : public Component {
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public:
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const uint8_t N_CHANNELS_PER_CHIP = 12;
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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_num_chips(uint8_t num_chips) { num_chips_ = num_chips; }
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void setup() override;
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void dump_config() override;
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float get_setup_priority() const override { return setup_priority::HARDWARE; }
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/// Send new values if they were updated.
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void loop() override;
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void set_channel_value(uint16_t channel, uint16_t value);
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protected:
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void transfer_(uint8_t send);
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GPIOPin *data_pin_;
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GPIOPin *clock_pin_;
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uint8_t num_chips_;
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std::vector<uint16_t> pwm_amounts_;
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bool update_{true};
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};
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} // namespace tlc5971
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} // namespace esphome
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12
tests/components/tlc5971/common.yaml
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12
tests/components/tlc5971/common.yaml
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tlc5971:
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clock_pin: ${clock_pin}
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data_pin: ${data_pin}
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output:
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- platform: tlc5971
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id: output_1
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channel: 0
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max_power: 0.8
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- platform: tlc5971
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id: output_2
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channel: 1
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6
tests/components/tlc5971/test.esp32-c3-idf.yaml
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6
tests/components/tlc5971/test.esp32-c3-idf.yaml
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substitutions:
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clock_pin: GPIO5
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data_pin: GPIO4
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packages:
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common: !include common.yaml
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6
tests/components/tlc5971/test.esp32-c3.yaml
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tests/components/tlc5971/test.esp32-c3.yaml
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substitutions:
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clock_pin: GPIO5
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data_pin: GPIO4
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packages:
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common: !include common.yaml
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6
tests/components/tlc5971/test.esp32-idf.yaml
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6
tests/components/tlc5971/test.esp32-idf.yaml
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substitutions:
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clock_pin: GPIO15
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data_pin: GPIO14
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packages:
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common: !include common.yaml
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6
tests/components/tlc5971/test.esp32-s2.yaml
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6
tests/components/tlc5971/test.esp32-s2.yaml
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substitutions:
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clock_pin: GPIO36
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data_pin: GPIO35
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packages:
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common: !include common.yaml
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7
tests/components/tlc5971/test.esp32.yaml
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7
tests/components/tlc5971/test.esp32.yaml
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substitutions:
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clock_pin: GPIO15
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data_pin: GPIO14
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lat_pin: GPIO13
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packages:
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common: !include common.yaml
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7
tests/components/tlc5971/test.esp8266.yaml
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7
tests/components/tlc5971/test.esp8266.yaml
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substitutions:
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clock_pin: GPIO15
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data_pin: GPIO14
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lat_pin: GPIO13
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packages:
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common: !include common.yaml
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7
tests/components/tlc5971/test.rp2040.yaml
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7
tests/components/tlc5971/test.rp2040.yaml
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substitutions:
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clock_pin: GPIO5
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data_pin: GPIO4
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lat_pin: GPIO3
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packages:
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common: !include common.yaml
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