Cleanup receiver

This commit is contained in:
Jonathan Swoboda 2024-11-12 22:12:22 -05:00
parent de7f07aa25
commit 71972d8ade
4 changed files with 39 additions and 45 deletions

View file

@ -1,18 +1,18 @@
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import pins
from esphome.components import remote_base, esp32_rmt
import esphome.codegen as cg
from esphome.components import esp32_rmt, remote_base
import esphome.config_validation as cv
from esphome.const import (
CONF_BUFFER_SIZE,
CONF_DUMP,
CONF_FILTER,
CONF_ID,
CONF_IDLE,
CONF_MEMORY_BLOCKS,
CONF_PIN,
CONF_RMT_CHANNEL,
CONF_TOLERANCE,
CONF_TYPE,
CONF_MEMORY_BLOCKS,
CONF_RMT_CHANNEL,
CONF_VALUE,
)
from esphome.core import CORE, TimePeriod
@ -115,12 +115,7 @@ CONFIG_SCHEMA = remote_base.validate_triggers(
async def to_code(config):
pin = await cg.gpio_pin_expression(config[CONF_PIN])
if CORE.is_esp32:
if (rmt_channel := config.get(CONF_RMT_CHANNEL, None)) is not None:
var = cg.new_Pvariable(
config[CONF_ID], pin, rmt_channel, config[CONF_MEMORY_BLOCKS]
)
else:
var = cg.new_Pvariable(config[CONF_ID], pin, config[CONF_MEMORY_BLOCKS])
var = cg.new_Pvariable(config[CONF_ID], pin, config[CONF_MEMORY_BLOCKS])
cg.add(var.set_clock_divider(config[CONF_CLOCK_DIVIDER]))
else:
var = cg.new_Pvariable(config[CONF_ID], pin)

View file

@ -29,15 +29,17 @@ struct RemoteReceiverComponentStore {
uint32_t filter_us{10};
ISRInternalGPIOPin pin;
#elif defined(USE_ESP32)
uint8_t *buffer{nullptr};
/// Stores RMT symbols and rx done event data
volatile uint8_t *buffer{nullptr};
/// The position last written to
volatile uint32_t buffer_write_at{0};
/// The position last read from
uint32_t buffer_read_at{0};
uint32_t buffer_size{1000};
uint32_t max_size{0};
rmt_rx_done_event_data_t data;
uint32_t receive_size{0};
esp_err_t error{ESP_OK};
rmt_receive_config_t config;
rmt_channel_handle_t channel;
esp_err_t error{ESP_OK};
#endif
};

View file

@ -7,17 +7,17 @@ namespace esphome {
namespace remote_receiver {
static const char *const TAG = "remote_receiver.esp32";
static const uint32_t MEM_BLOCK_SIZE = 64u;
static bool IRAM_ATTR HOT rmt_callback(rmt_channel_handle_t channel, const rmt_rx_done_event_data_t *data,
void *user_data) {
RemoteReceiverComponentStore *store = (RemoteReceiverComponentStore *) user_data;
static bool IRAM_ATTR HOT rmt_callback(rmt_channel_handle_t channel, const rmt_rx_done_event_data_t *data, void *arg) {
RemoteReceiverComponentStore *store = (RemoteReceiverComponentStore *) arg;
uint32_t next =
store->buffer_write_at + sizeof(rmt_rx_done_event_data_t) + data->num_symbols * sizeof(rmt_symbol_word_t);
if ((next + store->max_size) > store->buffer_size) {
if ((next + sizeof(rmt_rx_done_event_data_t) + store->receive_size) > store->buffer_size) {
next = 0;
}
store->error = rmt_receive(store->channel, store->buffer + next + sizeof(rmt_rx_done_event_data_t),
sizeof(rmt_symbol_word_t) * 64 * 4, &store->config);
store->error = rmt_receive(store->channel, (void *) (store->buffer + next + sizeof(rmt_rx_done_event_data_t)),
store->receive_size, &store->config);
*(rmt_rx_done_event_data_t *) (store->buffer + store->buffer_write_at) = *data;
store->buffer_write_at = next;
return false;
@ -25,20 +25,12 @@ static bool IRAM_ATTR HOT rmt_callback(rmt_channel_handle_t channel, const rmt_r
void RemoteReceiverComponent::setup() {
ESP_LOGCONFIG(TAG, "Setting up Remote Receiver...");
this->pin_->setup();
if (this->filter_us_ == 0) {
this->store_.config.signal_range_min_ns = 0;
} else {
this->store_.config.signal_range_min_ns = 500; // std::min(this->filter_us_, (uint32_t) 255) * 1000;
}
this->store_.config.signal_range_max_ns = std::min(this->idle_us_, (uint32_t) 65535) * 1000;
rmt_rx_channel_config_t rmt{};
rmt.clk_src = RMT_CLK_SRC_DEFAULT;
rmt.resolution_hz = 1 * 1000 * 1000;
rmt.mem_block_symbols = 64 * this->mem_block_num_;
rmt.gpio_num = gpio_num_t(this->pin_->get_pin());
esp_err_t error = rmt_new_rx_channel(&rmt, &this->channel_);
rmt_rx_channel_config_t channel{};
channel.clk_src = RMT_CLK_SRC_DEFAULT;
channel.resolution_hz = 1 * 1000 * 1000;
channel.mem_block_symbols = MEM_BLOCK_SIZE * this->mem_block_num_;
channel.gpio_num = gpio_num_t(this->pin_->get_pin());
esp_err_t error = rmt_new_rx_channel(&channel, &this->channel_);
if (error != ESP_OK) {
this->error_code_ = error;
this->error_string_ = "in rmt_new_rx_channel";
@ -63,14 +55,16 @@ void RemoteReceiverComponent::setup() {
return;
}
uint32_t max_filter_ns = 255u * 1000 / this->clock_divider_;
uint32_t max_idle_ns = 65535u * 1000;
this->store_.config.signal_range_min_ns = std::min(this->filter_us_ * 1000, max_filter_ns);
this->store_.config.signal_range_max_ns = std::min(this->idle_us_ * 1000, max_idle_ns);
this->store_.channel = this->channel_;
this->store_.buffer = (uint8_t *) new uint32_t[this->buffer_size_ / 4];
this->store_.buffer_write_at = 0;
this->store_.buffer_read_at = 0;
this->store_.buffer_size = this->buffer_size_;
this->store_.max_size = 64 * this->mem_block_num_ * sizeof(rmt_symbol_word_t) + sizeof(rmt_rx_done_event_data_t);
error = rmt_receive(this->channel_, this->store_.buffer, 64 * this->mem_block_num_ * sizeof(rmt_symbol_word_t),
&this->store_.config);
this->store_.receive_size = MEM_BLOCK_SIZE * this->mem_block_num_ * sizeof(rmt_symbol_word_t);
this->store_.buffer_size = std::max(sizeof(rmt_rx_done_event_data_t) + this->store_.receive_size, this->buffer_size_);
this->store_.buffer = new uint8_t[this->buffer_size_];
error = rmt_receive(this->channel_, (uint8_t *) this->store_.buffer + sizeof(rmt_rx_done_event_data_t),
this->store_.receive_size, &this->store_.config);
if (error != ESP_OK) {
this->error_code_ = error;
this->error_string_ = "in rmt_receive";
@ -103,13 +97,13 @@ void RemoteReceiverComponent::loop() {
this->error_code_ = this->store_.error;
this->error_string_ = "in rmt_callback";
this->mark_failed();
return;
}
if (this->store_.buffer_write_at != this->store_.buffer_read_at) {
rmt_rx_done_event_data_t *data = (rmt_rx_done_event_data_t *) (this->store_.buffer + this->store_.buffer_read_at);
this->decode_rmt_(data->received_symbols, data->num_symbols);
this->store_.buffer_read_at += sizeof(rmt_rx_done_event_data_t) + data->num_symbols * sizeof(rmt_symbol_word_t);
if ((this->store_.buffer_read_at + this->store_.max_size) > this->store_.buffer_size) {
if ((this->store_.buffer_read_at + sizeof(rmt_rx_done_event_data_t) + this->store_.receive_size) >
this->store_.buffer_size) {
this->store_.buffer_read_at = 0;
}
if (!this->temp_.empty()) {

View file

@ -9,7 +9,10 @@ namespace remote_transmitter {
static const char *const TAG = "remote_transmitter";
void RemoteTransmitterComponent::setup() { this->configure_rmt_(); }
void RemoteTransmitterComponent::setup() {
ESP_LOGCONFIG(TAG, "Setting up Remote Transmitter...");
this->configure_rmt_();
}
void RemoteTransmitterComponent::dump_config() {
ESP_LOGCONFIG(TAG, "Remote Transmitter...");