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fix issue with weird msc device with 3 endpoints

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This commit is contained in:
hathach 2021-06-17 13:05:12 +07:00
parent 58d3e8c08b
commit 268dcc8d20
1 changed files with 1 additions and 1 deletions

2
src/class/msc/msc_host.c

@ -366,7 +366,7 @@ uint16_t msch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const
MSC_PROTOCOL_BOT == desc_itf->bInterfaceProtocol); MSC_PROTOCOL_BOT == desc_itf->bInterfaceProtocol);
// msc driver length is fixed // msc driver length is fixed
uint16_t const drv_len = sizeof(tusb_desc_interface_t) + 2*sizeof(tusb_desc_endpoint_t); uint16_t const drv_len = sizeof(tusb_desc_interface_t) + desc_itf->bNumEndpoints*sizeof(tusb_desc_endpoint_t);
TU_ASSERT(drv_len <= max_len, 0); TU_ASSERT(drv_len <= max_len, 0);
msch_interface_t* p_msc = get_itf(dev_addr); msch_interface_t* p_msc = get_itf(dev_addr);