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Added support for Interrupt endpoint.

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It is only used to inform the host changes on card status (insert or removal). Actually it only notifies the insertion of the virtual card on connect.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2023-02-17 19:43:26 +01:00
parent fc40588547
commit e44fde509b
2 changed files with 22 additions and 8 deletions
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18
src/usb/usb_descriptors.c
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@@ -74,7 +74,7 @@ tusb_desc_configuration_t const desc_config = {
.wTotalLength = (sizeof(tusb_desc_configuration_t)
#ifdef USB_ITF_CCID
+ sizeof(tusb_desc_interface_t) + sizeof(struct ccid_class_descriptor) +
2 * sizeof(tusb_desc_endpoint_t)
3 * sizeof(tusb_desc_endpoint_t)
#endif
#ifdef USB_ITF_HID
+ TUD_HID_INOUT_DESC_LEN + TUD_HID_DESC_LEN
@@ -120,7 +120,7 @@ tusb_desc_interface_t const desc_interface = {
.bDescriptorType = TUSB_DESC_INTERFACE,
.bInterfaceNumber = ITF_CCID,
.bAlternateSetting = 0,
.bNumEndpoints = 2,
.bNumEndpoints = 3,
.bInterfaceClass = TUSB_CLASS_SMART_CARD,
.bInterfaceSubClass = 0,
.bInterfaceProtocol = 0,
@@ -139,17 +139,26 @@ tusb_desc_endpoint_t const desc_ep1 = {
tusb_desc_endpoint_t const desc_ep2 = {
.bLength = sizeof(tusb_desc_endpoint_t),
.bDescriptorType = TUSB_DESC_ENDPOINT,
.bEndpointAddress = 2,
.bEndpointAddress = 1,
.bmAttributes.xfer = TUSB_XFER_BULK,
.wMaxPacketSize = (64),
.bInterval = 0
};
tusb_desc_endpoint_t const desc_ep3 = {
.bLength = sizeof(tusb_desc_endpoint_t),
.bDescriptorType = TUSB_DESC_ENDPOINT,
.bEndpointAddress = TUSB_DIR_IN_MASK | 2,
.bmAttributes.xfer = TUSB_XFER_INTERRUPT,
.wMaxPacketSize = (64),
.bInterval = 0
};
#endif
static uint8_t desc_config_extended[sizeof(tusb_desc_configuration_t)
#ifdef USB_ITF_CCID
+ sizeof(tusb_desc_interface_t) +
sizeof(struct ccid_class_descriptor) + 2 *
sizeof(struct ccid_class_descriptor) + 3 *
sizeof(tusb_desc_endpoint_t)
#endif
#ifdef USB_ITF_HID
@@ -213,6 +222,7 @@ uint8_t const *tud_descriptor_configuration_cb(uint8_t index) {
p += sizeof(struct ccid_class_descriptor);
memcpy(p, &desc_ep1, sizeof(tusb_desc_endpoint_t)); p += sizeof(tusb_desc_endpoint_t);
memcpy(p, &desc_ep2, sizeof(tusb_desc_endpoint_t)); p += sizeof(tusb_desc_endpoint_t);
memcpy(p, &desc_ep3, sizeof(tusb_desc_endpoint_t)); p += sizeof(tusb_desc_endpoint_t);
#endif
initd = 1;
}