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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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12
src/usb/ccid/ccid.c
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@@ -101,6 +101,7 @@ struct ccid_header {
uint8_t ccid_status = 1;
static uint8_t itf_num;
extern tusb_desc_endpoint_t const desc_ep3;
void ccid_write_offset(uint16_t size, uint16_t offset) {
if (*usb_get_tx(ITF_CCID) + offset != 0x81) {
@@ -268,8 +269,6 @@ uint8_t *driver_prepare_response_ccid() {
static void ccid_init_cb(void) {
TU_LOG1("-------- CCID INIT\r\n");
vendord_init();
//ccid_notify_slot_change(c);
}
static void ccid_reset_cb(uint8_t rhport) {
@@ -288,11 +287,16 @@ static uint16_t ccid_open(uint8_t rhport, tusb_desc_interface_t const *itf_desc,
//vendord_open expects a CLASS_VENDOR interface class
memcpy(itf_vendor, itf_desc, sizeof(uint8_t) * max_len);
((tusb_desc_interface_t *) itf_vendor)->bInterfaceClass = TUSB_CLASS_VENDOR_SPECIFIC;
vendord_open(rhport, (tusb_desc_interface_t *) itf_vendor, max_len);
((tusb_desc_interface_t *) itf_vendor)->bNumEndpoints -= 1;
vendord_open(rhport, (tusb_desc_interface_t *) itf_vendor, max_len-sizeof(tusb_desc_endpoint_t));
TU_ASSERT(usbd_edpt_open(rhport, &desc_ep3), 0);
free(itf_vendor);
uint8_t msg[] = {0x50, 0x03};
usbd_edpt_xfer(rhport, desc_ep3.bEndpointAddress, msg, sizeof(msg));
uint16_t const drv_len = sizeof(tusb_desc_interface_t) + sizeof(struct ccid_class_descriptor) +
2 * sizeof(tusb_desc_endpoint_t);
3 * sizeof(tusb_desc_endpoint_t);
TU_VERIFY(max_len >= drv_len, 0);
itf_num = itf_desc->bInterfaceNumber;