adc_gpio_i2c/ads1115
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ADS1115: skip negative values.

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This commit is contained in:
Thomas Klaehn 2019-07-29 10:18:14 +01:00
parent eadddf7334
commit 8837368a14
1 changed files with 3 additions and 0 deletions
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src/ads1115.c
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@ -94,6 +94,9 @@ int ads1115_read_conversation_result(const struct ads1115_dev *ads1115,
return res;
}
result->raw = buffer[0] << 8 | buffer[1];
if(result->raw & 0x8000) {
result->raw = 0;
}
result->voltage = result->raw * VPS;
return 0;