DLPU048E August 2016 – July 2024
This command is used to read back the current drive state of the GPIO pins. The default GPIO configurations are stored in flash and are set by the DLPC230-Q1 main application at startup.
Command Parameters
No command parameters.
Return Parameters
Table 8-17 indicates the GPIO index for each pair of configuration bits. Table 8-18 shows the configuration options available for each GPIO.
| BYTE | BIT(7:6) | BIT(5:4) | BIT(3:2) | BIT(1:0) |
|---|---|---|---|---|
| 1 | 03 | 02 | 01 | 00 |
| 2 | 07 | 06 | 05 | 04 |
| 3 | 11 | 10 | 09 | 08 |
| 4 | 15 | 14 | 13 | 12 |
| 5 | 19 | 18 | 17 | 16 |
| 6 | 23 | 22 | 21 | 20 |
| 7 | 27 | 26 | 25 | 24 |
| 8 | 31 | 30 | 29 | 28 |
| GPIO CONFIGURATION VALUES | DESCRIPTION |
|---|---|
| 0x0 | Alternative function. No GPIO configuration may be applied. |
| 0x1 | Input |
| 0x2 | Output (standard) |
| 0x3 | Output (open drain) |