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Optimize QMC5883L: Read registers only for enabled sensors (#6458)

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tronikos 2024-04-01 13:21:53 -07:00 committed by GitHub
parent 1be5d14fd9
commit 63db07a156
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1 changed files with 32 additions and 13 deletions
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43
esphome/components/qmc5883l/qmc5883l.cpp
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@ -76,16 +76,9 @@ void QMC5883LComponent::dump_config() {
float QMC5883LComponent::get_setup_priority() const { return setup_priority::DATA; }
void QMC5883LComponent::update() {
uint8_t status = false;
if (ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_DEBUG)
this->read_byte(QMC5883L_REGISTER_STATUS, &status);
uint16_t raw_x, raw_y, raw_z;
if (!this->read_byte_16_(QMC5883L_REGISTER_DATA_X_LSB, &raw_x) ||
!this->read_byte_16_(QMC5883L_REGISTER_DATA_Y_LSB, &raw_y) ||
!this->read_byte_16_(QMC5883L_REGISTER_DATA_Z_LSB, &raw_z)) {
this->status_set_warning();
return;
}
float mg_per_bit;
switch (this->range_) {
case QMC5883L_RANGE_200_UT:
@ -99,11 +92,37 @@ void QMC5883LComponent::update() {
}
// in µT
const float x = int16_t(raw_x) * mg_per_bit * 0.1f;
const float y = int16_t(raw_y) * mg_per_bit * 0.1f;
const float z = int16_t(raw_z) * mg_per_bit * 0.1f;
float x = NAN, y = NAN, z = NAN;
if (this->x_sensor_ != nullptr || this->heading_sensor_ != nullptr) {
uint16_t raw_x;
if (!this->read_byte_16_(QMC5883L_REGISTER_DATA_X_LSB, &raw_x)) {
this->status_set_warning();
return;
}
x = int16_t(raw_x) * mg_per_bit * 0.1f;
}
if (this->y_sensor_ != nullptr || this->heading_sensor_ != nullptr) {
uint16_t raw_y;
if (!this->read_byte_16_(QMC5883L_REGISTER_DATA_Y_LSB, &raw_y)) {
this->status_set_warning();
return;
}
y = int16_t(raw_y) * mg_per_bit * 0.1f;
}
if (this->z_sensor_ != nullptr) {
uint16_t raw_z;
if (!this->read_byte_16_(QMC5883L_REGISTER_DATA_Z_LSB, &raw_z)) {
this->status_set_warning();
return;
}
z = int16_t(raw_z) * mg_per_bit * 0.1f;
}
float heading = NAN;
if (this->heading_sensor_ != nullptr) {
heading = atan2f(0.0f - x, y) * 180.0f / M_PI;
}
float heading = atan2f(0.0f - x, y) * 180.0f / M_PI;
ESP_LOGD(TAG, "Got x=%0.02fµT y=%0.02fµT z=%0.02fµT heading=%0.01f° status=%u", x, y, z, heading, status);
if (this->x_sensor_ != nullptr)