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authorOscillope <jvrosenman@gmail.com>2017-10-14 01:04:36 -0400
committerJack Humbert <jack.humb@gmail.com>2017-10-13 19:04:36 -1000
commitc70b419ec06b22dba869f40c32e23563ee0f620f (patch)
tree6e7db95be8015128dde5669e3568db8074dc5a87 /keyboards/jj40/tools
parentbccf263cd06a8f854caa79ae511e5c40442de491 (diff)
Add multiple layout support and Linux flash utility to JJ40 (#1837)
* Adds support for multiple layouts. Adds custom keymap for "offset" layout. * Adds a tool to help detach the keyboard from the Linux HID driver before programming. * Adds a tool to help detach the keyboard from the Linux HID driver before programming.
Diffstat (limited to 'keyboards/jj40/tools')
-rw-r--r--keyboards/jj40/tools/README.md16
-rw-r--r--keyboards/jj40/tools/usb_detach.c33
2 files changed, 49 insertions, 0 deletions
diff --git a/keyboards/jj40/tools/README.md b/keyboards/jj40/tools/README.md
new file mode 100644
index 0000000000..081984ed44
--- /dev/null
+++ b/keyboards/jj40/tools/README.md
@@ -0,0 +1,16 @@
+# JJ40 Tools
+
+## usb_detach.c
+
+When trying to flash on Linux, you may encounter a "Resource Unavailable" error. This means that Linux's HID driver has taken exclusive control of the keyboard, and the program script can't flash it.
+This program can force Linux to give up a device, so that the programming script can reset it.
+
+### To compile:
+```
+gcc usb_detach.c -o usb_detach
+```
+
+### To run:
+1. Use `lsusb` to discover the Bus and Device numbers for your keyboard.
+2. Run the program: `sudo ./usb_detach /dev/bus/usb/<BUS>/<DEVICE>`.
+3. Build and program the firmware as normal.
diff --git a/keyboards/jj40/tools/usb_detach.c b/keyboards/jj40/tools/usb_detach.c
new file mode 100644
index 0000000000..c21e47a7a4
--- /dev/null
+++ b/keyboards/jj40/tools/usb_detach.c
@@ -0,0 +1,33 @@
+/* Found at https://www.linuxquestions.org/questions/linux-hardware-18/how-to-unclaim-usb-device-558138/#post3406986 */
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <linux/ioctl.h>
+#include <linux/usbdevice_fs.h>
+
+int main(int argc, char**argv)
+{
+ struct usbdevfs_ioctl command;
+ int ret;
+ int fd;
+ int i;
+ if (argc>1) {
+ fd = open(argv[1],O_RDWR);
+ if (fd<1){
+ perror("unable to open file");
+ return 1;
+ }
+ for (i=0;i<255;i++){ // hack: should fetch how many interface there is.
+ command.ifno = i;
+ command.ioctl_code = USBDEVFS_DISCONNECT;
+ command.data = NULL;
+ ret = ioctl(fd, USBDEVFS_IOCTL, &command);
+ if(ret!=-1)
+ printf("un claimed interface %d %d\n",i,ret);
+ }
+ } else {
+ printf ("usage: %s /dev/bus/usb/BUS/DEVICE\n",argv[0]);
+ printf("Release all interfaces of this usb device for usage in virtualisation\n");
+ }
+} \ No newline at end of file