github/esphome
2
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2026-10-17 11:42:51 +00:00
Code Issues Packages Projects Releases Wiki Activity

[bmi270] Keep the range name and scale tables in flash (#20715)

Browse Source
This commit is contained in:
J. Nick Koston
2026-10-14 17:44:46 -10:00
committed by GitHub
parent a522553e82
commit 39705a65e3
1 changed files with 11 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
esphome/components/bmi270/bmi270.cpp
+11 -7
View File
@@ -2,6 +2,7 @@
#include "bmi270_config.h"
#include "esphome/core/log.h"
#include "esphome/core/hal.h"
#include "esphome/core/progmem.h"
namespace esphome::bmi270 {
@@ -11,6 +12,9 @@ using namespace bmm150; // NOLINT - sole consumer of the BMM150 aux-device defi
ESPHOME_LOG_TAG(TAG, "bmi270");
PROGMEM_STRING_TABLE(AccelRangeStrings, "±2g", "±4g", "±8g", "±16g");
PROGMEM_STRING_TABLE(GyroRangeStrings, "±2000°/s", "±1000°/s", "±500°/s", "±250°/s", "±125°/s");
#if defined(USE_ARDUINO) && !defined(USE_ESP32)
static constexpr size_t MAX_I2C_BUFFER_SIZE = 32;
#else
@@ -273,11 +277,10 @@ void BMI270Component::dump_config() {
return;
}
static constexpr const char *const ACCEL_RANGE_STRS[] = {"±2g", "±4g", "±8g", "±16g"};
static constexpr const char *const GYRO_RANGE_STRS[] = {"±2000°/s", "±1000°/s", "±500°/s", "±250°/s", "±125°/s"};
ESP_LOGCONFIG(TAG, " Accel range : %s", ACCEL_RANGE_STRS[accel_range_]);
ESP_LOGCONFIG(TAG, " Gyro range : %s", GYRO_RANGE_STRS[gyro_range_]);
ESP_LOGCONFIG(TAG, " Accel range : %s",
LOG_STR_ARG(AccelRangeStrings::get_log_str(this->accel_range_, AccelRangeStrings::LAST_INDEX)));
ESP_LOGCONFIG(TAG, " Gyro range : %s",
LOG_STR_ARG(GyroRangeStrings::get_log_str(this->gyro_range_, GyroRangeStrings::LAST_INDEX)));
#ifdef USE_BMI270_BMM150
if (this->aux_device_ == BMI270_AUX_DEVICE_BMM150) {
ESP_LOGCONFIG(TAG, " Aux device : BMM150 magnetometer (%s)",
@@ -315,7 +318,8 @@ bool BMI270Component::update_data(motion::MotionData &data) {
}
// Scale factor: LSB/g depends on range
// raw is a signed 16-bit value; full-scale = range_g * 2^15 lsb
static constexpr float ACCEL_SCALE[] = {
// In PROGMEM; each read is a 32-bit load, which is safe from flash on ESP8266
alignas(4) static constexpr float ACCEL_SCALE[] PROGMEM = {
2.0f / 32768.0f,
4.0f / 32768.0f,
8.0f / 32768.0f,
@@ -329,7 +333,7 @@ bool BMI270Component::update_data(motion::MotionData &data) {
// Gyroscope: registers 0x12–0x17 (6 bytes)
// Scale: full-scale range / 2^15
static constexpr float GYRO_SCALE[] = {
alignas(4) static constexpr float GYRO_SCALE[] PROGMEM = {
2000.0f / 32768.0f, 1000.0f / 32768.0f, 500.0f / 32768.0f, 250.0f / 32768.0f, 125.0f / 32768.0f,
};
static constexpr uint8_t GYR_OFFS = BMI270_REG_DATA_14 - BMI270_REG_DATA_8;