Tests, don't use in production :)

This directory contains an edited copy of the driver for test use with emscripten and libusb

Brainfarts

webusb incoming control transfers on connect

[tud_vendor_control_xfer_cb] stage:1, rhport:0, bRequest:0xb, wValue:0, wIndex:4, wLength:0, bmRequestType:1, type:0, recipient:1, direction:0
[tud_vendor_control_xfer_cb] stage:1, rhport:0, bRequest:0x22, wValue:1, wIndex:4, wLength:0, bmRequestType:21, type:1, recipient:1, direction:0
[tud_vendor_control_xfer_cb] stage:3, rhport:0, bRequest:0x22, wValue:1, wIndex:4, wLength:0, bmRequestType:21, type:1, recipient:1, direction:0

cdc incoming control transfers on connect

[tud_cdc_line_state_cb] itf:0, dtr:1, rts:1
[tud_cdc_line_coding_cb] itf:0, bit_rate:9000000, stop_bits:0, parity:0, data_bits:8

libusb control_transfer

libusb_control_transfer(
  libusb_device_handle *dev_handle,
        uint8_t request_type, 
  uint8_t bRequest, 
  uint16_t wValue, 
  uint16_t wIndex,
        unsigned char *data, 
  uint16_t wLength, 
  unsigned int timeout
);

testlibusb.c

navigator.usb.requestDevice({
  filters: [
    {
      vendorId: 0xcafe,
      productId: 0x4011,
    },
  ],
})
backend_SID.Module._runmeonmyass(['-v'])

usbsid

var device = await navigator.usb.requestDevice({
  filters: [
    {
      vendorId: 0xcafe,
      productId: 0x4011,
    },
  ],
});
var us = new Module.USBSID_Class();
us.USBSID_Init(true,true);

websid

var device = await navigator.usb.requestDevice({
  filters: [
    {
      vendorId: 0xcafe,
      productId: 0x4011,
    },
  ],
});
var us = new backend_SID.Module.USBSID_Class();
us.USBSID_Init(true,true);