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[esp32_rmt_led_strip] Add use_dma option (#8270)

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Jonathan Swoboda 2025-04-16 21:16:10 -04:00 committed by GitHub
parent 2fd5f9ac58
commit a7b676231a
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GPG Key ID: B5690EEEBB952194
3 changed files with 17 additions and 7 deletions
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2
esphome/components/esp32_rmt_led_strip/led_strip.cpp
View File

@ -58,7 +58,7 @@ void ESP32RMTLEDStripLightOutput::setup() {
channel.flags.io_loop_back = 0;
channel.flags.io_od_mode = 0;
channel.flags.invert_out = 0;
channel.flags.with_dma = 0;
channel.flags.with_dma = this->use_dma_;
channel.intr_priority = 0;
if (rmt_new_tx_channel(&channel, &this->channel_) != ESP_OK) {
ESP_LOGE(TAG, "Channel creation failed");

12
esphome/components/esp32_rmt_led_strip/led_strip.h
View File

@ -51,6 +51,7 @@ class ESP32RMTLEDStripLightOutput : public light::AddressableLight {
void set_num_leds(uint16_t num_leds) { this->num_leds_ = num_leds; }
void set_is_rgbw(bool is_rgbw) { this->is_rgbw_ = is_rgbw; }
void set_is_wrgb(bool is_wrgb) { this->is_wrgb_ = is_wrgb; }
void set_use_dma(bool use_dma) { this->use_dma_ = use_dma; }
void set_use_psram(bool use_psram) { this->use_psram_ = use_psram; }
/// Set a maximum refresh rate in µs as some lights do not like being updated too often.
@ -85,7 +86,7 @@ class ESP32RMTLEDStripLightOutput : public light::AddressableLight {
rmt_encoder_handle_t encoder_{nullptr};
rmt_symbol_word_t *rmt_buf_{nullptr};
rmt_symbol_word_t bit0_, bit1_, reset_;
uint32_t rmt_symbols_;
uint32_t rmt_symbols_{48};
#else
rmt_item32_t *rmt_buf_{nullptr};
rmt_item32_t bit0_, bit1_, reset_;
@ -94,11 +95,12 @@ class ESP32RMTLEDStripLightOutput : public light::AddressableLight {
uint8_t pin_;
uint16_t num_leds_;
bool is_rgbw_;
bool is_wrgb_;
bool use_psram_;
bool is_rgbw_{false};
bool is_wrgb_{false};
bool use_dma_{false};
bool use_psram_{false};
RGBOrder rgb_order_;
RGBOrder rgb_order_{ORDER_RGB};
uint32_t last_refresh_{0};
optional<uint32_t> max_refresh_rate_{};

10
esphome/components/esp32_rmt_led_strip/light.py
View File

@ -3,7 +3,7 @@ import logging
from esphome import pins
import esphome.codegen as cg
from esphome.components import esp32_rmt, light
from esphome.components import esp32, esp32_rmt, light
import esphome.config_validation as cv
from esphome.const import (
CONF_CHIPSET,
@ -15,6 +15,7 @@ from esphome.const import (
CONF_RGB_ORDER,
CONF_RMT_CHANNEL,
CONF_RMT_SYMBOLS,
CONF_USE_DMA,
)
from esphome.core import CORE
@ -138,6 +139,11 @@ CONFIG_SCHEMA = cv.All(
cv.Optional(CONF_CHIPSET): cv.one_of(*CHIPSETS, upper=True),
cv.Optional(CONF_IS_RGBW, default=False): cv.boolean,
cv.Optional(CONF_IS_WRGB, default=False): cv.boolean,
cv.Optional(CONF_USE_DMA): cv.All(
esp32.only_on_variant(supported=[esp32.const.VARIANT_ESP32S3]),
cv.only_with_esp_idf,
cv.boolean,
),
cv.Optional(CONF_USE_PSRAM, default=True): cv.boolean,
cv.Inclusive(
CONF_BIT0_HIGH,
@ -211,6 +217,8 @@ async def to_code(config):
if esp32_rmt.use_new_rmt_driver():
cg.add(var.set_rmt_symbols(config[CONF_RMT_SYMBOLS]))
if CONF_USE_DMA in config:
cg.add(var.set_use_dma(config[CONF_USE_DMA]))
else:
rmt_channel_t = cg.global_ns.enum("rmt_channel_t")
cg.add(