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drivers/sht2x: replace float by int calculations

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This commit is contained in:
Gunar Schorcht 2022-12-13 00:53:27 +01:00
parent e152159a35
commit 58f915e2e3
1 changed files with 2 additions and 2 deletions
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4
drivers/sht2x/sht2x.c
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@ -159,7 +159,7 @@ int16_t sht2x_read_temperature(const sht2x_t* dev)
if (i2c_result != SHT2X_OK) {
return INT16_MIN;
}
return (-46.85 + 175.72 / 65536.0 * raw_value) * 100;
return ((17572 * raw_value) / 65536) - 4685;
}
/*
@ -177,7 +177,7 @@ uint16_t sht2x_read_humidity(const sht2x_t *dev)
if (i2c_result != SHT2X_OK) {
return 0;
}
return 100 * (-6.0 + 125.0 / 65536.0 * raw_value);
return ((12500 * raw_value) / 65536) - 600;
}
static size_t _sht2x_add_ident_byte(uint8_t * buffer, size_t buflen, uint8_t b, size_t ix)