描述
BULKOUT的中斷處理要對(duì)主機(jī)發(fā)送的CBW(Com-mandBlockWrapper)和數(shù)據(jù)進(jìn)行解析和處理。偽代碼結(jié)構(gòu)
其中pSCSI是傳遞給讀寫函數(shù)的有關(guān)讀寫地址和數(shù)據(jù)傳輸長(zhǎng)度等參數(shù)的結(jié)構(gòu)體。數(shù)據(jù)的處理在讀寫函數(shù)中進(jìn)行。Write()函數(shù)的流程如圖3。讀函數(shù)以頁為單位,一次可以讀取連續(xù)的若干頁,在此不再列出其流程圖。其他函數(shù)可根據(jù)SCSI-2命令規(guī)范來編寫。
3結(jié)語
經(jīng)測(cè)試,通過USB總線主機(jī)能夠穩(wěn)定的讀寫設(shè)備中的FLASH,讀數(shù)據(jù)的速度可達(dá)600kB/s,寫數(shù)據(jù)的速度可達(dá)400kB/s。該設(shè)備功能使用方便,性能穩(wěn)定,已在具體項(xiàng)目中有實(shí)際應(yīng)用,根據(jù)硬件情況稍做修改便可以應(yīng)用到其他嵌入式系統(tǒng)中。
歐美品牌停產(chǎn)的,常用的“PLC”備品備件
我司產(chǎn)品應(yīng)用于以下領(lǐng)域:
1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》
2,《智能平鋼化爐系統(tǒng)制造》
3,《PLC可編程輸送控制系統(tǒng)》
4,《DCS集散控制系統(tǒng)》
?
5,《智能型消防供水控制系統(tǒng)》
6,《化工廠藥液恒流量計(jì)算機(jī)控制系統(tǒng)》
7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動(dòng)化控制系列
本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機(jī)器人系統(tǒng)配件,大型伺服系統(tǒng)備件。
CONVUM VACUUM GENERATOR,TYPE CV-20LSCK
Convum MPS-V2R-G Vacuum Sensor
PARKER/CONVUM VACUUM AIR GENERATOR CV-30AHSN
Lot/4 Convum PS-50-F Vacuum Suction Pads
1 NIB CONVUM MPS-V3RC-GHA VACUUM SENSOR MPSV3RCGHA
PARKER CONVUM VACUUM SOLENOID VALVE MC2S10HSZM24B5N
Convum Vacuum Solenoid CVA-15HS
CKD CONVUM 3/8″PORT VACUUM FILTERS VF-6
CKD CONVUM 1/4″PORT VACUUM FILTERS VF-5
Convum PF-50 Vacuum Suction Pad
CONVUM VF-5 VACCUM GENERATOR FILTER CV-15,MCA-10/13
CONVUM FILTER VF-5 MYOTOHU COMPRESSOR FILTER 1/4 NPT
Parker Convum TYS-20B-30 Bulkhead Level Compensator
Myotohu Convum CVA-15QS Vacuum Actuator
CONVUM CVK-15HRZD PRESSURE SOLENOID VALVE CONVUM
Parker Convum CV-25HSN
CONVUM CVA-15HS35GDN NSFP CVA15HS35GDN
CONVUM MYOTOHU CVT05HS
PARKER CONVUM VACUUM SOLENOID VALVE MC2S07HSZM24B5N
CONVUM CV-15HS NSFP CV15HS
Convum Pneumatic Valve Manifold CVK-15HRZD Lot of 2
CONVUM CVA-15OS USPP CVA15OS
CONVUM CVA-15QS USPP CVA15QS
DNS CONVUM SENSOR,DIGITAL 2-AE-J0043 D4M5-GHA-D4
CONVUM CV-10HSCK NSFP CV10HSCK
CONVUM VF-3 VACUUM FILTER 1/8″
Convum APS030-PNP-SA2 Vacuum Sensor
CONVUM VACUUM FILTERS VF-6
CONVUM CV-10LS USPP CV10LS
Convum Manifold Solenoid Valve CVK-15HRZD 24V MVS SMC
CONVUM CVA-10LSB NSPP CVA10LSB
PARKER CONVUM PF-120D VACUUM CUP PAD
PARKER CV15HSN CONVUM VALVE CV-15HSN 1/4 INCH 1/4″
Convum Myotoku CVK-15HRZD 24BD Pneumatic Solenoid(794)
CONVUM PRESSURE DISPLAY SWITCH MPS-71E-G-D5
Convum Parker PFYK-25-U Vacuum Suction Cups
MYOTOKY LDT.CVA-15HSA CONVUM VALVE
Parker Convum CEK27HSZC24PBLN Vacuum Pump Generator
Convum Vacuum Generator Pump CV10HSC
Convum Vacuum Generator Pump CCV10HSCK NEW
2 Convum Parker PFYK-25-SI Vacuum Suction Cups
PARKER generator CONVUM VACUUM PUMP PA244-RV3.5
MYOTOKU/CONVUM CV-10LS GENERATOR 10MM LOW VACUUM
MYOTOKU/CONVUM CV-10LS GENERATOR 10MM LOW VACUUM
CONVUM MVS-030-W NSFP MVS030W
CONVUM SENSOR,VACUUM FOR SPIN SD MPS-R3S5-GHA-D
DNS CONVUM?SENSOR,PRESSURE 2-AE-J0076 P3M5-GHA-D
CONVUM CVK-20HSABC-24B?L USPP CVK20HSABC24BL
DNS CONVUM SENSOR,DIGITAL SPI 2-AE-J0012 R3S5-GHA-D
Myotohu Convum MVS-030 Vacuum Switch
MYOTOKU/CONVUM CVF-1-10LS GENERATOR 1MM
CONVUM MPS-V2R-C NSFP MPSV2RC
CONVUM MPS-P1N-PC NSFP MPSP1NPC
DNS CONVUM PRESSURE SENSOR ASSY 2-AE-J0067 R3S5-GHA-D
CONVUM CYLINDER TKY-0-4.5X3
Convum Vacuum Switch CVA-D,CVA-10,CVA-V3B
Myotoky LTD.Model:CVA-10HR-VDN-24?B Convum Valve
4-Convum Vacuum Technology Valves CVK-15HSZC 24 VDC
MYOTOKU/CONVUM CVF-1-10HRAB/MV?S-030-AB VAC SENSOR
MYOTOKU CONVUM CVR Vacuum Switch
CONVUM CVF-2-05HS VACUUM SWITCH SOLENOID VALVE
CONVUM MPS-V2R-PGA NSPP MPSV2RPGA
Parker MPS Convum PRESSURE Switch P6N-PG(11)
Parker Convum CVX-0260-B-E0S-?DN PA244-RV3.5 Vacuum Pump
MYOTOKU/CONVUM VF-3 VACUUM FILTER
CONVUM MPS-V3RC-G-M VACUUM PRESSURE SENSOR
Parker Convum Vacuum LED Switch MPS-V2N-PC
Parker Convum CVX0260BE0SDNNA Vacume Pump PA244-RV3.5
Parker Convum MPS-R3F5-NC Stainless Pressure Sensor New
Convum CVA-DN/CVA-15HS 24BL/C-0054-CVA
Myotoku Convum F-1 Vacuum Ejector C-21-316
Convum VF-3
Convum CVA-15HR-B Vacuum Release Solenoid Valve NNB
CONVUM A QUICK RELEASE VALVE CVA-D NO.EKT(15-19)
Convum MPS-V9M-NG-YOK Sensor
Convum MC2S07HS-ZM24B5?R-8Y19 Valve w/A00SC23-Z06-028
Convum MVS-030-AB Vacuum Sensor NPN MVS030AB NIB
Parker Convum MVS-030ABP PNP Sensor MVS030ABP NIB
Convum VF-6 Pneumatic Port Vacuum Filter NIB
Convum VF-3 vacuum filter assembly 1/8″w/element