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USB Joystick PIC18F2458
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andreahmed

Joined: 09 Dec 2020
Posts: 13

Posted: Thu Dec 10, 2020 4:57 pm

I have made very good progress.

Now I can make two throttles, but once when I add X, Y axis, the USB is not recognized at all:

Code:

0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x15, 0x00, // Logical Minimum (0)
0x09, 0x04, // Usage (Joystick)
0xA1, 0x01, // Collection (Application)
0x05, 0x02, // Usage Page (Sim Ctrls)
0x09, 0xBB, // Usage (Throttle)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x75, 0x08, // Report Size (8)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x09, 0xBB, // Usage (Throttle)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x75, 0x08, // Report Size (8)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x01, // USAGE (Pointer)
0xA1, 0x00, // COLLECTION (Physical)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x95, 0x02, // REPORT_COUNT (2)
0x81, 0x02, // INPUT (Data Var Abs)}
0xC0 // End Collection

andreahmed

Joined: 09 Dec 2020
Posts: 13

Posted: Thu Dec 10, 2020 5:09 pm

I finally DID IT,
MANY THANKS

Code:

const char USB_CLASS_SPECIFIC_DESC[] = {
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x15, 0x00, // Logical Minimum (0)
0x09, 0x04, // Usage (Joystick)
0xA1, 0x01, // Collection (Application)
0x05, 0x02, // Usage Page (Sim Ctrls)
0x09, 0xBB, // Usage (Throttle)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x75, 0x08, // Report Size (8)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x09, 0xBB, // Usage (Throttle)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x75, 0x08, // Report Size (8)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x81, 0x01, // input (constant) Bit stuff to fill byte
0x05, 0x01, // usage page (generic desktop) Choose the usage pare “X” and “Y” are on
0x09, 0x30, // usage (X) X direction of pointer
0x09, 0x31, // usage (Y) Y direction of pointer
0x09, 0x38 // usage (wheel)
0x15, 0x81, // logical minimum (-127) Range of report data is -127 to 127
0x25, 0x7F, // logical maximum (127)
0x75, 0x08, // report size (8) Two reports, eight bits each
0x95, 0x03, // report count (3)
0x81, 0x06, // input (data, variable, absolute) Defined bits above are data bits
0xC0
};

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