質問編集履歴
1
コード誤り、修正
title
CHANGED
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File without changes
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body
CHANGED
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@@ -23,7 +23,7 @@
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int actual;
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int request = LIBUSB_ENDPOINT_IN | EP2;
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ret = libusb_bulk_transfer(s_handle, request, buf,
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ret = libusb_bulk_transfer(s_handle, request, buf, sizeof(buf), &actual, 1000);
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★LIBUSB_ERROR_TIMEOUTが返ってくる★
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return ret;
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}
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@@ -31,13 +31,11 @@
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int function2()
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{
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int ret;
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QString str;
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QString str_1;
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int actual;
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int request = LIBUSB_ENDPOINT_OUT | EP1;
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unsigned char buf[64];
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ret = libusb_bulk_transfer(s_handle, request, buf, size, actual,
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ret = libusb_bulk_transfer(s_handle, request, buf, size, &actual, 1000);
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return ret;
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}
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@@ -53,7 +51,7 @@
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uint16_t wIndex = 0;
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uint16_t wLength = 1;
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ret = libusb_control_transfer(s_handle,bmRequestType, bRequest, wValue, wIndex, buf, wLength,
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ret = libusb_control_transfer(s_handle,bmRequestType, bRequest, wValue, wIndex, buf, wLength, 1000);
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return ret;
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}
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/* コントロール転送 送信 */
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@@ -68,7 +66,7 @@
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uint16_t wIndex = 0;
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uint16_t wLength = 8;
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-
ret = libusb_control_transfer(s_handle,bmRequestType, bRequest, wValue, wIndex, buf, wLength,
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ret = libusb_control_transfer(s_handle,bmRequestType, bRequest, wValue, wIndex, buf, wLength, 1000);
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return ret;
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}
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