Differences

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--- projects:zsun-wifi-card-reader [2017/09/12 18:43] – [Hardware hacking] emeryth
+++ projects:zsun-wifi-card-reader [2017/09/12 19:11] – [Hardware hacking] emeryth
@@ Line 129: / Line 129: @@
   - Remove the G13 bootstrap resistor setting USB to host mode
   - <del>Remove the card reader PCB and</del> (the card reader PCB now contains the 3.3V regulator, so you can't just remove it) rewire the the USB signal pins (the ones on the bottom right in the pictures) to a USB plug
+Here's what it looks like on the old PCB with the pins connected to the original USB plug:
+{{:projects:usb_gadget.jpg?direct&600|}}
 ==== Original firmware ====
@@ Line 187: / Line 192: @@
   * The SD card detect pin is registered as a button and will trigger failsafe when inserted/removed during boot
   * The SD card reader is reset every time a card is inserted or removed
+==== LEDE ====
+https://forum.lede-project.org/t/supporting-zsun-wifi-card-reader-16mb-flash-64mb-ram-ar9331/2142
+I've made a quick port of LEDE:
+https://github.com/Emeryth/source/tree/zsun
+**good news:**
+It has USB gadget
+**bad news:**
+The standard LEDE kernel is too big to fit in the original kernel partition.
+You need to either change the bootloader and flash layout, or decrease the kernel image size by disabling things like debug symbols.