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README: Document PWM value clamping

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atse 2024-08-16 12:39:10 +08:00
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README.md
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@ -96,10 +96,10 @@ formatted as line-delimited JSON.
|----------------------------------|-------------------------------------------------------------------------------|
| `report` | Show current input |
| `pwm` | Show current PWM settings |
| `pwm <0/1> max_i_pos <amp>` | Set maximum positive output current |
| `pwm <0/1> max_i_neg <amp>` | Set maximum negative output current |
| `pwm <0/1> max_v <volt>` | Set maximum output voltage |
| `pwm <0/1> i_set <amp>` | Disengage PID, set fixed output current |
| `pwm <0/1> max_i_pos <amp>` | Set maximum positive output current, clamped to [0, 2] |
| `pwm <0/1> max_i_neg <amp>` | Set maximum negative output current, clamped to [0, 2] |
| `pwm <0/1> max_v <volt>` | Set maximum output voltage, clamped to [0, 4] |
| `pwm <0/1> i_set <amp>` | Disengage PID, set fixed output current, clamped to [-2, 2] |
| `pwm <0/1> pid` | Let output current to be controlled by the PID |
| `center <0/1> <volt>` | Set the MAX1968 0A-centerpoint to the specified fixed voltage |
| `center <0/1> vref` | Set the MAX1968 0A-centerpoint to measure from VREF |