====== OpenWRT und Anpassungen ======
===== I2C Bus =====

^  RJ11-Pin ^ Molex Pin ^ Funktion ^ Farbe ^
|   1 |  -  |  -  |
|   2 | 4 |+5V | Rot |
|   3 | 3 | SDA | Violett |
|   4 | 2 | SCL | Blau |
|   5 | 1 | Ground | Schwarz |
|   6 |  -  |  -  |

==== Modul starten ====
|     |  [[tl-mr3020|MR3020]]  |  [[tl-wr1043nd|TL-1043ND]]  |  [[tl-wdr4300|WDR4300]]  |
| SDA |         7 |         0 |      11 |
| SCL |         29 |        20 |      12 |

  # rmmod leds_gpio # LED-Modul entfernen falls dieses mit I2C-GPIOs kollidiert
  # insmod i2c-gpio-custom bus0=0,11,12 # I2C Bus starten
  # insmod i2c-dev # I2C-Device Interface laden

===== Quilt =====
Mit Quilt können Patches eingespielt werden.
<code>
joky@fileserver:~$ cd ~/openwrt/trunk/attitude_adjustment/target/linux/ar71xx/files/arch/mips/ath79
joky@fileserver:~/openwrt/trunk/attitude_adjustment/target/linux/ar71xx/files/arch/mips/ath79$ quilt diff
--- a/mach-tl-mr3020.c
+++ b/mach-tl-mr3020.c
@@ -30,6 +30,8 @@
 #define TL_MR3020_GPIO_BTN_WPS         11
 #define TL_MR3020_GPIO_BTN_SW1         18
 #define TL_MR3020_GPIO_BTN_SW2         20
+#define TL_MR3020_GPIO_BTN_3           7
+#define TL_MR3020_GPIO_BTN_4           29

 #define TL_MR3020_GPIO_USB_POWER       8

@@ -92,6 +94,22 @@ static struct gpio_keys_button tl_mr3020
                .debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
                .gpio           = TL_MR3020_GPIO_BTN_SW2,
                .active_low     = 0,
+      },
+      {
+              .desc           = "sw3",
+              .type           = EV_KEY,
+              .code           = BTN_2,
+              .debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
+              .gpio           = TL_MR3020_GPIO_BTN_3,
+              .active_low     = 0,
+      },
+      {
+              .desc           = "sw4",
+              .type           = EV_KEY,
+              .code           = BTN_3,
+              .debounce_interval = TL_MR3020_KEYS_DEBOUNCE_INTERVAL,
+              .gpio           = TL_MR3020_GPIO_BTN_4,
+                .active_low     = 0,
        }
 };
joky@fileserver:~/openwrt/trunk/attitude_adjustment/target/linux/ar71xx/files/arch/mips/ath79$ quilt edit mach-tl-mr3020.c
joky@fileserver:~/openwrt/trunk/attitude_adjustment/target/linux/ar71xx/files/arch/mips/ath79$ quilt refresh
joky@fileserver:~/openwrt/trunk/attitude_adjustment/target/linux/ar71xx/files/arch/mips/ath79$ cd ../../../../../../../
joky@fileserver:~/openwrt/trunk/attitude_adjustment$ make
</code>