CATをUSB接続
FT-817に接続したUSB携帯ケーブルを改造したCATケーブルをMacに接続しUSB Prober.appでチェックしてみた。割り込みが2つ、バルク出力が1つの3つの入出力だ。とりあえずこのUSBポートを叩いてみることにしよう。
Full Speed device @ 2 (0x1B100000): ............................................. Composite device: "USB Ver1.1 Device" Device Descriptor Descriptor Version Number: 0x0110 Device Class: 0 (Composite) Device Subclass: 0 Device Protocol: 0 Device MaxPacketSize: 16 Device VendorID/ProductID: 0x0711/0x0230 (Magic Control Technology Corp.) Device Version Number: 0x0102 Number of Configurations: 1 Manufacturer String: 1 "USB-RS232 Interface Converter" Product String: 2 "USB Ver1.1 Device" Serial Number String: 3 "?377?377?377?377?377?377" Configuration Descriptor Length (and contents): 39 Raw Descriptor (hex) 0000: 09 02 00 27 01 01 00 A0 32 09 04 00 00 03 FF FF Raw Descriptor (hex) 0010: FF 00 07 05 81 03 02 00 02 07 05 82 03 40 00 01 Raw Descriptor (hex) 0020: 07 05 02 02 20 00 00 Number of Interfaces: 1 Configuration Value: 1 Attributes: 0xA0 (bus-powered, remote wakeup) MaxPower: 100 ma Interface #0 - Vendor-specific Alternate Setting 0 Number of Endpoints 3 Interface Class: 255 (Vendor-specific) Interface Subclass; 255 (Vendor-specific) Interface Protocol: 255 Endpoint 0x81 - Interrupt Input Address: 0x81 (IN) Attributes: 0x03 (Interrupt no synchronization data endpoint) Max Packet Size: 2 Polling Interval: 2 ms Endpoint 0x82 - Interrupt Input Address: 0x82 (IN) Attributes: 0x03 (Interrupt no synchronization data endpoint) Max Packet Size: 64 Polling Interval: 1 ms Endpoint 0x02 - Bulk Output Address: 0x02 (OUT) Attributes: 0x02 (Bulk no synchronization data endpoint) Max Packet Size: 32 Polling Interval: 0 ms