Table 22 GPIO Trigger Commands
| Command |
| Description |
|
|
|
|
| |
| SET GPIO TRIGger [1 0 DIS] | Sets a single control bit. The setting only takes |
| |
|
| effect if the GPIO signal is not selected for a special |
| |
|
| function operation and is configured to be an input. |
| |
|
| The parameter after the TRIG keyword controls the |
| |
|
| operation as follows: |
| |
|
| Enable trigger if the specified GPIO signal |
| |
|
| transitions from a 0 to a 1. |
| |
|
| 1 | Enable trigger if the specified GPIO |
|
|
|
| transitions from a 1 to a 0 |
|
|
| 0 | Enable trigger if the specified GPIO |
|
|
|
| transitions from a 0 to a 1 |
|
|
| DIS | Disable all triggers for the specified GPIO |
|
|
|
| signal. |
|
|
|
| ||
|
| NOTE: Setting a trigger condition resets all |
| |
|
| undefined trigger strings for triggers that are |
| |
|
| enabled to the default string value. |
| |
|
| NOTE: The trigger configuration is not changed by |
| |
|
| a configuration reset to default. |
| |
|
|
|
| |
| SHOW GPIO TRIGger | Shows current GPIO trigger conditions. Note that a |
| |
|
| GPIO may be enabled for two trigger conditions, |
| |
|
| one for a 0 to 1 transition, and one for a 1 to 0 |
| |
|
| transition. If a GPIO is set for its special function, |
| |
|
| no trigger is possible on that pin. |
| |
|
|
|
|
|
| Example: |
|
|
|
| Local> set gpio trig 1 1 |
|
|
|
| Local> set gpio trig 0 2 |
|
|
|
| Local> show gpio trig |
|
|
|
| GPIO Trigger Conditions |
|
|
|
|
|
|
| |
| trig if GPIO #1 is 1 <Trig #1> |
|
| |
| trig if GPIO #2 is 0 <Trig #2> |
|
| |
| GPIO #2 is set for OUTPUT |
|
|
|
| GPIO #3 is set for OUTPUT |
|
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|
Page 54
Silex
Part Number
Advanced Configuration