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change usbh open driver to have max_len and return driver len

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This commit is contained in:
hathach
2021-06-17 11:58:34 +07:00
parent 6e939de9d6
commit 5811122cfd
11 changed files with 104 additions and 107 deletions
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13
src/class/msc/msc_host.c
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@@ -360,18 +360,22 @@ static bool config_test_unit_ready_complete(uint8_t dev_addr, msc_cbw_t const* c
static bool config_request_sense_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw);
static bool config_read_capacity_complete(uint8_t dev_addr, msc_cbw_t const* cbw, msc_csw_t const* csw);
bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t *p_length)
uint16_t msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t max_len)
{
TU_VERIFY (MSC_SUBCLASS_SCSI == desc_itf->bInterfaceSubClass &&
MSC_PROTOCOL_BOT == desc_itf->bInterfaceProtocol);
// msc driver length is fixed
uint16_t const drv_len = sizeof(tusb_desc_interface_t) + 2*sizeof(tusb_desc_endpoint_t);
TU_ASSERT(drv_len <= max_len, 0);
msch_interface_t* p_msc = get_itf(dev_addr);
tusb_desc_endpoint_t const * ep_desc = (tusb_desc_endpoint_t const *) tu_desc_next(desc_itf);
for(uint32_t i=0; i<2; i++)
{
TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType && TUSB_XFER_BULK == ep_desc->bmAttributes.xfer);
TU_ASSERT(usbh_edpt_open(rhport, dev_addr, ep_desc));
TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType && TUSB_XFER_BULK == ep_desc->bmAttributes.xfer, 0);
TU_ASSERT(usbh_edpt_open(rhport, dev_addr, ep_desc), 0);
if ( tu_edpt_dir(ep_desc->bEndpointAddress) == TUSB_DIR_IN )
{
@@ -385,9 +389,8 @@ bool msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *de
}
p_msc->itf_num = desc_itf->bInterfaceNumber;
(*p_length) += sizeof(tusb_desc_interface_t) + 2*sizeof(tusb_desc_endpoint_t);
return true;
return drv_len;
}
bool msch_set_config(uint8_t dev_addr, uint8_t itf_num)