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[ens160] Fix sensor initialization timing (#16024)

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
GelidusResearch
2026-04-29 13:07:28 -05:00
committed by GitHub
parent 44cabc191d
commit ca3f7251d4
1 changed files with 17 additions and 2 deletions
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esphome/components/ens160_base/ens160_base.cpp
+17 -2
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@@ -5,6 +5,15 @@
// Implementation based on: // Implementation based on:
// https://github.com/sciosense/ENS160_driver // https://github.com/sciosense/ENS160_driver
// For best performance, the sensor shall be operated in normal indoor air in the range -5 to 60°C
// (typical: 25°C); relative humidity: 20 to 80%RH (typical: 50%RH), non-condensing with no aggressive
// or poisonous gases present. Prolonged exposure to environments outside these conditions can affect
// performance and lifetime of the sensor.
// The sensor is designed for indoor use and is not waterproof or dustproof. It should be protected from
// water, condensation, dust, and aggressive gases. Note that the status will only be stored in non-volatile
// memory after an initial 24 h of continuous operation. If unpowered before the conclusion of that period,
// the ENS160 will resume "Initial Start-up" mode after re-powering.
#include "ens160_base.h" #include "ens160_base.h"
#include "esphome/core/log.h" #include "esphome/core/log.h"
#include "esphome/core/hal.h" #include "esphome/core/hal.h"
@@ -14,7 +23,9 @@ namespace ens160_base {
static const char *const TAG = "ens160"; static const char *const TAG = "ens160";
static const uint8_t ENS160_BOOTING = 10; // Datasheet specifies 10ms, but some users report that 10ms is not sufficient for the
// sensor to boot and be ready for commands. 11ms seems to be a safe value.
static const uint8_t ENS160_BOOTING = 11;
static const uint16_t ENS160_PART_ID = 0x0160; static const uint16_t ENS160_PART_ID = 0x0160;
@@ -91,6 +102,8 @@ void ENS160Component::setup() {
this->mark_failed(); this->mark_failed();
return; return;
} }
delay(ENS160_BOOTING);
// clear command // clear command
if (!this->write_byte(ENS160_REG_COMMAND, ENS160_COMMAND_NOP)) { if (!this->write_byte(ENS160_REG_COMMAND, ENS160_COMMAND_NOP)) {
this->error_code_ = WRITE_FAILED; this->error_code_ = WRITE_FAILED;
@@ -102,6 +115,7 @@ void ENS160Component::setup() {
this->mark_failed(); this->mark_failed();
return; return;
} }
delay(ENS160_BOOTING);
// read firmware version // read firmware version
if (!this->write_byte(ENS160_REG_COMMAND, ENS160_COMMAND_GET_APPVER)) { if (!this->write_byte(ENS160_REG_COMMAND, ENS160_COMMAND_GET_APPVER)) {
@@ -109,6 +123,8 @@ void ENS160Component::setup() {
this->mark_failed(); this->mark_failed();
return; return;
} }
delay(ENS160_BOOTING);
uint8_t version_data[3]; uint8_t version_data[3];
if (!this->read_bytes(ENS160_REG_GPR_READ_4, version_data, 3)) { if (!this->read_bytes(ENS160_REG_GPR_READ_4, version_data, 3)) {
this->error_code_ = READ_FAILED; this->error_code_ = READ_FAILED;
@@ -223,7 +239,6 @@ void ENS160Component::update() {
if (this->aqi_ != nullptr) { if (this->aqi_ != nullptr) {
// remove reserved bits, just in case they are used in future // remove reserved bits, just in case they are used in future
data_aqi = ENS160_DATA_AQI & data_aqi; data_aqi = ENS160_DATA_AQI & data_aqi;
this->aqi_->publish_state(data_aqi); this->aqi_->publish_state(data_aqi);
} }