45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
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#include <gint/usb.h>
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static usb_dc_interface_t dc_interface = {
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.bLength = sizeof(usb_dc_interface_t),
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.bDescriptorType = USB_DC_INTERFACE,
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.bInterfaceNumber = -1 /* Set by driver */,
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.bAlternateSetting = 0,
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.bNumEndpoints = 1,
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.bInterfaceClass = 0xff, /* Vendor-Specific */
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.bInterfaceSubClass = 0x77, /* (not recognized by Casio tools?) */
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.bInterfaceProtocol = 0x00,
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.iInterface = 0,
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};
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/* Endpoint for calculator -> PC communication */
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static usb_dc_endpoint_t dc_endpoint1i = {
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.bLength = sizeof(usb_dc_endpoint_t),
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.bDescriptorType = USB_DC_ENDPOINT,
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.bEndpointAddress = 0x81, /* 1 IN */
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.bmAttributes = 0x02, /* Bulk transfer */
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/* TODO: Additional transactions per µframe ?! */
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.wMaxPacketSize = htole16(512),
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.bInterval = 1,
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};
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usb_interface_t usb_ff_bulk = {
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/* List of descriptors */
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.dc = (void const *[]){
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&dc_interface,
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&dc_endpoint1i,
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NULL,
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},
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/* Parameters for each endpoint */
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.params = (usb_interface_endpoint_t []){
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{ .endpoint = 0x81, /* 1 IN */
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.buffer_size = 2048, },
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{ 0 },
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},
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};
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GCONSTRUCTOR static void set_strings(void)
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{
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dc_interface.iInterface = usb_dc_string(u"Bulk Input", 0);
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}
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