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fix(usb/host): Correctly parse MPS fields in HighSpeed EP descriptors 

Bits [11,12] in HighSpeed periodic endpoints specify
the number of additional transaction opportunities per microframe
pull/12852/head
Tomas Rezucha 2023-12-06 17:47:16 +01:00
rodzic 142218c2eb
commit c2660ce7c6
4 zmienionych plików z 16 dodań i 8 usunięć
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6
components/usb/hcd_dwc.c
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@ -1536,9 +1536,9 @@ static bool pipe_alloc_hcd_support_verification(usb_dwc_hal_context_t *hal, cons
}
}
if (ep_desc->wMaxPacketSize > limit) {
if (USB_EP_DESC_GET_MPS(ep_desc) > limit) {
ESP_LOGE(HCD_DWC_TAG, "EP MPS (%d) exceeds supported limit (%d)",
ep_desc->wMaxPacketSize,
USB_EP_DESC_GET_MPS(ep_desc),
limit);
return false;
}
@ -1571,7 +1571,7 @@ static void pipe_set_ep_char(const hcd_pipe_config_t *pipe_config, usb_transfer_
ep_char->mps = (pipe_config->dev_speed == USB_SPEED_LOW) ? CTRL_EP_MAX_MPS_LS : CTRL_EP_MAX_MPS_HSFS;
} else {
ep_char->bEndpointAddress = pipe_config->ep_desc->bEndpointAddress;
ep_char->mps = pipe_config->ep_desc->wMaxPacketSize;
ep_char->mps = USB_EP_DESC_GET_MPS(pipe_config->ep_desc);
}
ep_char->dev_addr = pipe_config->dev_addr;
ep_char->ls_via_fs_hub = (port_speed == USB_SPEED_FULL && pipe_config->dev_speed == USB_SPEED_LOW);

11
components/usb/include/usb/usb_types_ch9.h
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -435,6 +435,12 @@ ESP_STATIC_ASSERT(sizeof(usb_ep_desc_t) == USB_EP_DESC_SIZE, "Size of usb_ep_des
#define USB_B_ENDPOINT_ADDRESS_EP_NUM_MASK 0x0f
#define USB_B_ENDPOINT_ADDRESS_EP_DIR_MASK 0x80
/**
* @brief Bit masks belonging to the wMaxPacketSize field of endpoint descriptor
*/
#define USB_W_MAX_PACKET_SIZE_MPS_MASK 0x07ff
#define USB_W_MAX_PACKET_SIZE_MULT_MASK 0x1800
/**
* @brief Bit masks belonging to the bmAttributes field of an endpoint descriptor
*/
@ -459,7 +465,8 @@ ESP_STATIC_ASSERT(sizeof(usb_ep_desc_t) == USB_EP_DESC_SIZE, "Size of usb_ep_des
#define USB_EP_DESC_GET_XFERTYPE(desc_ptr) ((usb_transfer_type_t) ((desc_ptr)->bmAttributes & USB_BM_ATTRIBUTES_XFERTYPE_MASK))
#define USB_EP_DESC_GET_EP_NUM(desc_ptr) ((desc_ptr)->bEndpointAddress & USB_B_ENDPOINT_ADDRESS_EP_NUM_MASK)
#define USB_EP_DESC_GET_EP_DIR(desc_ptr) (((desc_ptr)->bEndpointAddress & USB_B_ENDPOINT_ADDRESS_EP_DIR_MASK) ? 1 : 0)
#define USB_EP_DESC_GET_MPS(desc_ptr) ((desc_ptr)->wMaxPacketSize & 0x7FF)
#define USB_EP_DESC_GET_MPS(desc_ptr) ((desc_ptr)->wMaxPacketSize & USB_W_MAX_PACKET_SIZE_MPS_MASK)
#define USB_EP_DESC_GET_MULT(desc_ptr) (((desc_ptr)->wMaxPacketSize & USB_W_MAX_PACKET_SIZE_MULT_MASK) >> 11)
// ------------------ String Descriptor --------------------

5
components/usb/test_apps/hcd/main/test_hcd_bulk.c
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@ -68,10 +68,11 @@ TEST_CASE("Test HCD bulk pipe URBs", "[bulk][full_speed]")
//Create URBs for CBW, Data, and CSW transport. IN Buffer sizes are rounded up to nearest MPS
urb_t *urb_cbw = test_hcd_alloc_urb(0, sizeof(mock_msc_bulk_cbw_t));
urb_t *urb_data = test_hcd_alloc_urb(0, TEST_NUM_SECTORS_PER_XFER * MOCK_MSC_SCSI_SECTOR_SIZE);
urb_t *urb_csw = test_hcd_alloc_urb(0, sizeof(mock_msc_bulk_csw_t) + (mock_msc_scsi_bulk_in_ep_desc.wMaxPacketSize - (sizeof(mock_msc_bulk_csw_t) % mock_msc_scsi_bulk_in_ep_desc.wMaxPacketSize)));
const uint16_t mps = USB_EP_DESC_GET_MPS(&mock_msc_scsi_bulk_in_ep_desc) ;
urb_t *urb_csw = test_hcd_alloc_urb(0, sizeof(mock_msc_bulk_csw_t) + (mps - (sizeof(mock_msc_bulk_csw_t) % mps)));
urb_cbw->transfer.num_bytes = sizeof(mock_msc_bulk_cbw_t);
urb_data->transfer.num_bytes = TEST_NUM_SECTORS_PER_XFER * MOCK_MSC_SCSI_SECTOR_SIZE;
urb_csw->transfer.num_bytes = sizeof(mock_msc_bulk_csw_t) + (mock_msc_scsi_bulk_in_ep_desc.wMaxPacketSize - (sizeof(mock_msc_bulk_csw_t) % mock_msc_scsi_bulk_in_ep_desc.wMaxPacketSize));
urb_csw->transfer.num_bytes = sizeof(mock_msc_bulk_csw_t) + (mps - (sizeof(mock_msc_bulk_csw_t) % mps));
for (int block_num = 0; block_num < TEST_NUM_SECTORS_TOTAL; block_num += TEST_NUM_SECTORS_PER_XFER) {
//Initialize CBW URB, then send it on the BULK OUT pipe

2
components/usb/usb_helpers.c
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@ -198,7 +198,7 @@ static void print_ep_desc(const usb_ep_desc_t *ep_desc)
USB_EP_DESC_GET_EP_NUM(ep_desc),
USB_EP_DESC_GET_EP_DIR(ep_desc) ? "IN" : "OUT");
printf("\t\tbmAttributes 0x%x\t%s\n", ep_desc->bmAttributes, ep_type_str);
printf("\t\twMaxPacketSize %d\n", ep_desc->wMaxPacketSize);
printf("\t\twMaxPacketSize %d\n", USB_EP_DESC_GET_MPS(ep_desc));
printf("\t\tbInterval %d\n", ep_desc->bInterval);
}