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authorSebastien COUDREAU <[email protected]>2022-12-08 11:36:48 +0100
committerSebastien COUDREAU <[email protected]>2022-12-08 11:44:15 +0100
commit071da47944a4345b41328dc514d8a73a537072a9 (patch)
tree2b3e06130dd03702d875b0e620f7e027e06d394d
parentd4620d99d31b5566248d2f3a182d7c84633601af (diff)
Correct interrupt polling interval in descriptor
Use macro argument instead of 0x16 constant value. At least Linux kernel was complaining about this value: "config 1 interface 0 altsetting 0 endpoint 0x82 has an invalid bInterval 22, changing to 8" (warning obtained using usbtmc device config)
-rw-r--r--src/device/usbd.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/device/usbd.h b/src/device/usbd.h
index dc5b35ffd..118e53ce4 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -603,7 +603,7 @@ TU_ATTR_WEAK bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb
/* optional interrupt endpoint */ \
// _int_pollingInterval : for LS/FS, expressed in frames (1ms each). 16 may be a good number?
#define TUD_USBTMC_INT_DESCRIPTOR(_ep_interrupt, _ep_interrupt_size, _int_pollingInterval ) \
- 7, TUSB_DESC_ENDPOINT, _ep_interrupt, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_ep_interrupt_size), 0x16
+ 7, TUSB_DESC_ENDPOINT, _ep_interrupt, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_ep_interrupt_size), _int_pollingInterval
#define TUD_USBTMC_INT_DESCRIPTOR_LEN (7u)