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Improve temperature reading #50

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merged 3 commits into from
Oct 5, 2024
Merged

Improve temperature reading #50

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d75587e
Fix temperature reading with clang formatting
adam-3bian Oct 5, 2024
1d2d92e
Update examples/all/i2c_example.cc
adam-3bian Oct 5, 2024
38c597c
Add static_cast
adam-3bian Oct 5, 2024
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5 changes: 3 additions & 2 deletions examples/all/i2c_example.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,9 @@ static void read_temperature_sensor_value(Mmio<OpenTitanI2c> i2c,
i2c->blocking_write(0x48, buf, 1, false);
if (i2c->blocking_read(0x48, buf, 2u))
{
uint16_t temp = (buf[0] << 8) | buf[1];
Debug::log("The {} readout is {}", regName, temp);
int16_t regValue = static_cast<int16_t>((buf[0] << 8) | buf[1]);
int64_t temp = regValue * 1000000LL / 128;
Debug::log("The {} readout is {} microdegrees Celcius", regName, temp);
}
else
{
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