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Code Issues Releases Wiki Activity

Correct ADS1115 handling of multiple sensors in continuous mode (#2016)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Sean Vig
2021-07-20 01:05:25 -04:00
committed by GitHub
parent 9b5a3cbcd3
commit 766866197b
1 changed files with 13 additions and 8 deletions
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7
esphome/components/ads1115/ads1115.cpp
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@@ -107,9 +107,13 @@ float ADS1115Component::request_measurement(ADS1115Sensor *sensor) {
}
this->prev_config_ = config;
// about 1.6 ms with 860 samples per second
// about 1.2 ms with 860 samples per second
delay(2);
// in continuous mode, conversion will always be running, rely on the delay
// to ensure conversion is taking place with the correct settings
// can we use the rdy pin to trigger when a conversion is done?
if (!this->continuous_mode_) {
uint32_t start = millis();
while (this->read_byte_16(ADS1115_REGISTER_CONFIG, &config) && (config >> 15) == 0) {
if (millis() - start > 100) {
@@ -120,6 +124,7 @@ float ADS1115Component::request_measurement(ADS1115Sensor *sensor) {
yield();
}
}
}
uint16_t raw_conversion;
if (!this->read_byte_16(ADS1115_REGISTER_CONVERSION, &raw_conversion)) {