| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | Correct the temperature reading to preserve the sign bits | Michael Turner | 2025-11-02 | 1 | -1/+1 |
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| * | rp/pio: Add onewire strong pullups, parasite power | Matt Johnston | 2025-09-14 | 1 | -0/+1 |
| | | | | | | | | | | | | | | | DS18B20 sensors require a strong pullup to be applied for the duration of the temperature conversion, within 10us of the command. The rp2xxx pins have sufficient drive strength to use as the pullup (no external mosfet needed). Add a new write_bytes_pullup() that will apply the pullup after bytes are written. Existing read_bytes()/write_bytes() has no change to onewire timing. A pio_onewire_parasite example reads multiple sensors individually, applying the strong pullup. | ||||
| * | Updated the pio onewire example | Marc | 2025-04-25 | 1 | -49/+53 |
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| * | Move pio programs into embassy-rp | Caleb Jamison | 2024-10-09 | 1 | -85/+13 |
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| * | rp: Add PIO example for one-wire temperature sensor | kalkyl | 2024-09-17 | 1 | -0/+155 |
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