Difference between revisions of "General Purpose Input/Output"
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| Line 5: | Line 5: | ||
| GPIO 0 || WLAN LED | | GPIO 0 || WLAN LED | ||
|- | |- | ||
| − | | GPIO 1 || | + | | GPIO 1 || Power LED |
|- | |- | ||
| GPIO 2 || Cisco LED White | | GPIO 2 || Cisco LED White | ||
| Line 23: | Line 23: | ||
Research Notes: | Research Notes: | ||
* When an LED is enabled, its input bit becomes 0. | * When an LED is enabled, its input bit becomes 0. | ||
| + | * Once an LED is enabled, if its output bit is 0, the LED is on and if its output bit is 1, the LED is off. | ||
== Resources == | == Resources == | ||
* [http://devel.masikh.org/OpenWRT/mmc/wrt54gl-v1.1/mmc.c SD Card Reader Driver] | * [http://devel.masikh.org/OpenWRT/mmc/wrt54gl-v1.1/mmc.c SD Card Reader Driver] | ||
* [http://wiki.openwrt.org/OpenWrtDocs/Customizing/Hardware/MMC Adding an MMC/SD Card] | * [http://wiki.openwrt.org/OpenWrtDocs/Customizing/Hardware/MMC Adding an MMC/SD Card] | ||
Revision as of 20:22, 25 June 2007
Port Assignments
| Pin | Assignment |
|---|---|
| GPIO 0 | WLAN LED |
| GPIO 1 | Power LED |
| GPIO 2 | Cisco LED White |
| GPIO 3 | Cisco LED Orange |
| GPIO 4 | Front Button? |
| GPIO 5 | Unkown |
| GPIO 6 | Reset Button? |
| GPIO 7 | DMZ LED |
LEDs
Research Notes:
- When an LED is enabled, its input bit becomes 0.
- Once an LED is enabled, if its output bit is 0, the LED is on and if its output bit is 1, the LED is off.
