USB-CAN Bus Interface
Adapter Interface Ntchito
Malangizo Ogwiritsa Ntchito Library
GAWO LoyambaVIEW
Ngati wogwiritsa ntchito angogwiritsa ntchito adapter yolumikizira mabasi ya USB-CAN kuti apite pa mayeso a kulumikizana kwa basi ya CAN, ndiyeno amatha kugwiritsa ntchito pulogalamu ya USB-CAN Tool yomwe waperekedwa potumiza ndi kulandira deta ya mayesowo.
Ngati wogwiritsa ntchito akufuna kulemba pulogalamu yamapulogalamu pazinthu zake. Chonde werengani mosamala malangizo otsatirawa ndipo tsatirani malangizo a sample kodi timapereka:
⑴ C++Builder ⑵C# ⑶VC ⑷VB ⑸VB.NET ⑹Delphi ⑺LabVIEW ⑻ LabWindows/CVI ⑼Matlab ⑽QT ⑾Python/Python-can.
Konzani laibulale file : ControlCAN.lib, ControlCAN.DLL
Chidziwitso cha ntchito ya VC file : ControlCAN.h
Chidziwitso cha ntchito ya VB file: ControlCAN.bas
LabuVIEW Gawo la phukusi la library library: ControlCAN.llb
Chidziwitso cha ntchito ya Delphi version file: ControlCAN.pas
GAWO LACHIWIRI ZOGWIRITSA NTCHITO LAIBULALE NDI MA DATA KANTHU
2.1. TANTHAUZO LA NTCHITO
2.1.1. Mtundu wa Chipangizo
| Tanthauzo la Mtundu | Mtundu mtengo | Kufotokozera |
| DEV_USBCAN2 | 4 | USBCAN-2A/USBCAN-2C/CANalyst-II MiniPCIe-CAN |
2.1.2. VCI_BOARD_INFO
Mapangidwe a VCI_BOARD_INFO ali ndi chidziwitso chamakhadi a USB-CAN Series.
Mapangidwewo adzadzazidwa ndi VCI_ReadBoardInfo ntchito.
Membala:
hw_Version
Nambala ya mtundu wa Hardware, hexadecimal notation. Mwachitsanzo 0x0100 ikuyimira V1.00.
fw_Version
Nambala ya mtundu wa Hardware, hexadecimal notation. Mwachitsanzo 0x0100 ikuyimira V1.00.
Tsamba 2
dr_Version
Nambala ya mtundu wa driver, notation ya hexadecimal. Mwachitsanzo 0x0100 ikuyimira V1.00.
mu_Version
Nambala ya library ya Interface, hexadecimal notation. Mwachitsanzo 0x0100 ikuyimira V1.00.
irq_Num
Dongosolo losungidwa.
akhoza_Num
Ikuyimira chiwerengero chonse cha tchanelo cha CAN.
str_Seri_Num
Nambala ya siriyo ya bolodi ili.
str_hw_Type
Mtundu wa Hardware, monga “USBCAN V1.00” (Zindikirani: Mulinso chodulira zingwe '\0').
Zosungidwa
Dongosolo losungidwa.
2.1.3. VCI_CAN_OBJ
M'magawo a VCI_Transmit ndi VCI_Receive, mawonekedwe a VCI_CAN_OBJ amagwiritsidwa ntchito kufalitsa uthenga wa CAN.
Membala:
ID
Chizindikiritso cha uthenga. Chidziwitso chachindunji, cholumikizidwa kumanja, chonde onani: Annex One: Tsatanetsatane wa ID.
TimeStamp
Kulandira stamp zambiri za nthawi, yambani nthawi pamene wolamulira wa CAN wakhazikitsidwa, unit ndi 0. 1ms.
TimeFlag
Pankhani yogwiritsa ntchito nthawi stamp, 1 ndiye nthawi yabwino ya TimeStamp. TimeFlag ndi TimeStamp amakhala atanthauzo kokha pamene chimango chalandiridwa .
SendType
Mtundu wotumizira. = 0 imasonyeza Mtundu Wachibadwa, = 1 imasonyeza Kutumiza Kumodzi.
RemoteFlag
Kaya ndi mbendera yakutali. = 1 ikuwonetsa mbendera yakutali, = 0 ikuwonetsa mbendera ya data.
ExternFlag
Kaya ndi mbendera yakunja. = 1 ikuwonetsa mbendera yakunja, = 0 ikuwonetsa mbendera yokhazikika.
DataLen
Kutalika kwa data (<=8) ，ndiko kuti, kutalika kwa data.
Deta
Paketi data.
Zosungidwa
Dongosolo losungidwa.
2.1.4. VCI_INIT_CONFIG
Kapangidwe ka VCI_INIT_CONFIG kumatanthawuza kukhazikitsidwa kwa CAN. Mapangidwewo adzadzazidwa ndi VCI_InitCan ntchito.
Membala:
AccCode
Landirani khodi yovomerezeka yosefedwa.
AccMask
Landirani chigoba chosefera.
Zosungidwa
Zosungidwa.
Sefa
Njira yosefera, kulola kuyika 0-3, onani gawo 2.2.3 la tebulo la zosefera kuti mumve zambiri.
Nthawi 0
SJA1000 Baud mlingo parameter, Timing0 (BTR0) .
Nthawi 1
SJA1000 Baud mlingo parameter, Timing1 (BTR1) .
Mode
Njira yogwiritsira ntchito, 0 = ntchito yachibadwa, 1 = Mawonekedwe omvera okha, 2 = kuvomereza mwachisawawa ndi kutumiza mayesero.
Ndemanga:
Za zochunira zosefera chonde onani: Annex II: Malangizo a kukhazikitsa CANparameter.
CAN Timing0 ndi Timing1 amagwiritsidwa ntchito kuyika kuchuluka kwa baud, magawo awiriwa amangogwiritsidwa ntchito poyambira.tage.
Tchalitchi chodziwika bwino cha Baud:
| Mtengo wa CAN Baud | Nthawi0(BTR0) | Nthawi1(BTR1) |
| 10k bps | 0x31 pa | Zamgululi |
| 20k bps | 0x18 pa | Zamgululi |
| 40k bps | 0x87 pa | 0xf pa |
| 50k bps | 0x09 pa | Zamgululi |
| 80k bps | 0x83 pa | 0xf pa |
| 100k bps | 0x04 pa | Zamgululi |
| 125k bps | 0x03 pa | Zamgululi |
| 200k bps | 0x81 pa | 0xFA pa |
| 250k bps | 0x01 pa | Zamgululi |
| 400k bps | 0x80 pa | 0xFA pa |
| 500k bps | 0x00 pa | Zamgululi |
| 666k bps | 0x80 pa | 0xb6 pa |
| 800k bps | 0x00 pa | 0x16 pa |
| 1000k bps | 0x00 pa | 0x14 pa |
| 33.33 Kbps | 0x09 pa | 0x6f ku |
| 66.66 Kbps | 0x04 pa | 0x6f ku |
| 83.33 Kbps | 0x03 pa | 0x6f ku |
- Ogwiritsa amangofunika kutsatira SJA1000 (16MHz) kuti akhazikitse gawo la Baud rate.
- Adaputala sigwirizana ndi kuchuluka kwa Baud kwakanthawi pansi pa 10K.
2.2. NTCHITO KUDZULOWA
2.2.1. VCI_OpenDevice
Ntchitoyi imagwiritsidwa ntchito kulumikiza zida.
DWORD __stdcall VCI_OpenDevice(DWORD DevType,DWORD DevIndex,DWORD Reserved);
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi yokha ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB-CAN, manambala a index mu dongosolo lokwera kuyambira 0.
Zosungidwa
Zosungirako, lembani 0.
Kubweza:
Kubwezera mtengo = 1, zomwe zikutanthauza kuti ntchitoyo ndi yopambana; = 0 ikuwonetsa kuti ntchitoyi yalephera; = -1 imasonyeza kuti chipangizocho kulibe.
2.2.2. VCI_CloseDevice
Ntchitoyi imagwiritsidwa ntchito kutseka kulumikizana.
DWORD __stdcall VCI_CloseDevice(DWORD DevType,DWORD DevIndex);
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi yokha ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB-CAN, manambala a index mu dongosolo lokwera kuyambira 0.
Kubweza:
Kubwezera mtengo = 1, zomwe zikutanthauza kuti ntchitoyo ndi yopambana; = 0 ikuwonetsa kuti ntchitoyi yalephera; = -1 imasonyeza kuti chipangizocho kulibe.
2.2.3. VCI_InitCan
Ntchitoyi imagwiritsidwa ntchito poyambitsa CAN yotchulidwa.
DWORD __stdcall VCI_InitCAN(DWORD DevType, DWORD DevIndex, DWORD CANIndex,
PVCI_INIT_CONFIG piNitConfig);
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi yokha ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB-CAN, manambala a index mu dongosolo lokwera kuyambira 0.
CANIndex
CAN index index, monga ngati pali njira imodzi yokha ya CAN, nambala yolozera ndi 0, ngati pali ziwiri, nambala yolozera ikhoza kukhala 0 kapena 1.
pInitConfig
Initialization parameter kapangidwe. Mndandanda wa mamembala:
| Membala | Kufotokozera Kwantchito |
| pInitConfig-> AccCode | AccCode ndi AccMask atha kugwirira ntchito limodzi kuti adziwe mapaketi omwe angavomerezedwe. Ma regista awiriwa amagwiritsidwa ntchito kuyika chizindikiritso kumanzere, ndiko kuti, chokwera kwambiri (Bit31) cha AccCode ndi AccMask chikugwirizana ndi mtengo wapamwamba kwambiri wa ID. |
| pInitConfig-> AccMask | Pankhani yolozera ma ID: Annex I: Tsatanetsatane wa ma ID. Mwachitsanzo: Ngati muyika mtengo wa AccCode ngati 0x24600000 (ie 0x123 imasinthidwa kumanzere ndi ma bits 21), mtengo wa AccMask yakhazikitsidwa ku 0x00000000, ndiye mapaketi okha omwe ali ndi ID ya uthenga wa CAN ndi 0x123 angavomerezedwe (mtengo wa AccMask wa 0x00000000 ukuwonetsa kuti ma bits onse ndi ofunikira. |
| zidutswa). Ngati mtengo wa AccCode wakhazikitsidwa kukhala 0x24600000, mtengo wa AccMask wakhazikitsidwa kukhala 0x600000 (0x03 imasunthidwa kumanzere ndi ma bits 21), ndiye mapaketi okhawo okhala ndi ID ya uthenga wa CAN ndi 0x120 ~ 0x123 angavomerezedwe (mtengo wa AccMask 0x600000 ikuwonetsa kuti kupatula bit0 ~ bit1 ting'onoting'ono (bit2 ~ bit10) ndizoyenera). Zindikirani: Zosefera izi mwachitsanzoamples ku chimango chokhazikika, mwachitsanzoample, pamwamba 11-bit ndiye cholondola; pankhani ya chimango chowonjezera, ndiyeno ID yovomerezeka ndi 29-bit. AccCode ndi AccMask adayika 29-bit yapamwamba ngati yolondola! |
|
| pInitConfig-> Yosungidwa | zosungidwa |
| pInitConfig-> Zosefera | Zokonda zosefera chonde onani gawo la tebulo la zosefera. |
| pInitConfig->Timing0 | Baud rateT0 kukhazikitsa |
| pInitConfig->Timing1 | Baud rateT1 kukhazikitsa |
| pInitConfig->Mode | Njira yoyendetsera: 0-ntchito yabwinobwino 1-Kumvera-kokha 2-kuvomereza modzidzimutsa ndi kutumiza mayeso (mtengo uwu sunachokere ku ZLG ntchito library) |
Tebulo la zosefera:
| Mtengo | Dzina | Kufotokozera |
| 1 | Landirani mitundu yonse | Zokwanira zonse zokhazikika komanso zowonjezera! |
| 2 | Ingolandirani chimango chokhazikika | Yoyenera chimango chokhazikika, ndikuwonjezera |
| chimango chidzachotsedwa ndi kusefera mwachindunji! | ||
| 3 | Ingolandirani chimango chowonjezera | Yoyenera kukulitsa chimango, ndipo chimango chokhazikika chidzachotsedwa ndi kusefera mwachindunji! . |
Kubweza:
Kubwezera mtengo = 1, zomwe zikutanthauza kuti ntchitoyo ndi yopambana; = 0 ikuwonetsa kuti ntchitoyi yalephera; = -1 imasonyeza kuti chipangizocho kulibe.
Mwachitsanzo
2.2.4. VCI_ReadBoardInfo
Ntchitoyi imagwiritsidwa ntchito powerenga zambiri za zida za adapter. Nthawi zambiri, ikhoza kunyalanyazidwa.
DWORD __stdcall VCI_ReadBoardInfo(DWORD DevType,DWORD
DevIndex,PVCI_BOARD_INFO pInfo);
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB- CAN, manambala a index mu dongosolo lokwera kuyambira 0. pInfo
VCI_BOARD_INFO imagwiritsidwa ntchito kusunga cholozera cha chidziwitso cha chipangizocho.
Kubweza:
Kubwezera mtengo = 1, zomwe zikutanthauza kuti ntchitoyo ndi yopambana; = 0 ikuwonetsa kuti ntchitoyi yalephera; = -1 imasonyeza kuti chipangizocho kulibe.
2.2.5. VCI_GetReceiveNum
Ntchitoyi imagwiritsidwa ntchito kutchula zolandilidwa koma sizinawerengedwe mu buffer yolandirira.
DWORD __stdcall VCI_GetReceiveNum(DWORD DevType,DWORD DevIndex,DWORD CANIndex);
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB- CAN, manambala a index mu dongosolo lokwera kuyambira 0.
CANIndex
CAN chaneli index.
Kubweza:
Bweretsani mafelemu omwe sanawerengedwebe.
Mwachitsanzo
#include “ControlCan.h” int ret=VCI_GetReceiveNum(2,0,0);
2.2.6. VCI_ClearBuffer
Ntchitoyi imagwiritsidwa ntchito kuchotsa cholandilira ndi kutumiza buffer panjira yomwe yatchulidwa ndi
Adaputala ya USB-CAN.
DWORD __stdcall VCI_ClearBuffer(DWORD DevType,DWORD DevIndex,DWORD CANIndex);
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB- CAN, manambala a index mu dongosolo lokwera kuyambira 0.
CANIndex
CAN chaneli index.
Kubweza:
Kubwezera mtengo = 1, zomwe zikutanthauza kuti ntchitoyo ndi yopambana; = 0 ikuwonetsa kuti ntchitoyi yalephera; = -1 imasonyeza kuti chipangizocho kulibe.
2.2.7. VCI_StartCAN
Ntchitoyi imagwiritsidwa ntchito poyambitsa chowongolera cha CAN ndi ntchito yolandirira yamkati ya adapter.
DWORD __stdcall VCI_StartCAN(DWORD DevType,DWORD DevIndex,DWORD CANIndex);
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi yokha ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB-CAN, manambala a index mu dongosolo lokwera kuyambira 0.
CANIndex
CAN chaneli index.
Kubweza:
Kubwezera mtengo = 1, zomwe zikutanthauza kuti ntchitoyo ndi yopambana; = 0 ikuwonetsa kuti ntchitoyi yalephera; = -1 imasonyeza kuti chipangizocho kulibe.
2.2.8. VCI_ResetCAN
Ntchitoyi imagwiritsidwa ntchito kukonzanso chowongolera cha CAN.
DWORD __stdcall VCI_ResetCAN(DWORD DevType,DWORD DevIndex,DWORD CANIndex);
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi yokha ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB-CAN, manambala a index mu dongosolo lokwera kuyambira 0.
CANIndex
CAN chaneli index.
Kubweza:
Kubwezera mtengo = 1, zomwe zikutanthauza kuti ntchitoyo ndi yopambana; = 0 ikuwonetsa kuti ntchitoyi yalephera; = -1 imasonyeza kuti chipangizocho kulibe.
2.2.9. VCI_Transmit
Ntchitoyi imagwiritsidwa ntchito potumiza uthenga wa CAN.
DWORD __stdcall VCI_Transmit(DWORD DeviceType,DWORD DeviceInd,DWORD CANInd,PVCI_CAN_OBJ pSend,DWORD Length);
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi yokha ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB-CAN, manambala a index mu dongosolo lokwera kuyambira 0.
CANIndex
CAN chaneli index. pSend
Adilesi yoyamba yamagulu amtundu wa data yomwe iyenera kutumizidwa.
Utali
Chiwerengero cha mafelemu a deta omwe amayenera kutumizidwa, chiwerengero chachikulu ndi 1000, mtengo wovomerezeka ndi 48 pansi pa liwiro lalikulu.
Kubweza:
Bweretsani chiwerengero chenicheni cha mafelemu omwe atumizidwa kale, mtengo wobwezera = -1 umasonyeza cholakwika cha chipangizo.
Mwachitsanzo
2.2.10. VCI_Landirani
Ntchitoyi imagwiritsidwa ntchito pofunsira kulandila.
DWORD __stdcall VCI_Receive(DWORD DevType, DWORD DevIndex, DWORD CANIndex, PVCI_CAN_OBJ pReceive, ULONG Len, INT WaitTime);
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi yokha ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB-CAN, manambala a index mu dongosolo lokwera kuyambira 0.
CANIndex
CAN chaneli index.
landirani
Kuti mulandire cholozera choyambirira cha mafelemu a data.
Leni
Utali wamtundu wa data uyenera kukhala wopitilira 2500 kuti ubweretse uthenga wabwinobwino.
Apo ayi, kutalika kwake kudzakhala ziro kaya uthenga walandiridwa kapena ayi. adaputalayo imakhazikitsa buffer yamafelemu 2000 panjira iliyonse. Kutengera ndi kachitidwe kake komanso malo ogwirira ntchito, wogwiritsa ntchito amatha kusankha kutalika koyenera kuchokera ku 2500.
WaitTime Yosungidwa.
Kubweza:
Bweretsani chiwerengero cha mafelemu omwe awerengedwa, -1 akuwonetsa zolakwika za chipangizo.
Mwachitsanzo
GAWO LACHITATU ZINTHU ZINTHU ZINA NDI MALANGIZO A DATA STRUCTURE
Mutuwu ukufotokoza za mitundu ina ya data ndi ntchito za laibulale yosagwirizana ya ZLG yomwe ili mu library ya adapter ya USB-CAN ControlCAN.dll. Chonde chitani
osatchula ntchito izi ngati mugwiritsa ntchito chitsanzo cha ZLG chogwirizana ndi chitukuko chachiwiri kuti zisakhudze kuyanjana.
3.1 NTCHITO KUDZULOWA
3.1.1. VCI_UsbDeviceReset
Bwezeraninso adaputala ya USB-CAN, muyenera kutsegulanso chipangizocho mukachikonzanso pogwiritsa ntchito VCI_OpenDevice.
DWORD __stdcall VCI_UsbDeviceReset(DWORD DevType,DWORD DevIndex,DWORD Reserved
Zoyimira:
DevType
Mtundu wa chipangizo. Onani: Tanthauzo la mtundu wa chida cha Adapter.
DevIndex
Device Index, mwachitsanzoample, pakakhala adapta imodzi yokha ya USB-CAN, nambala yolozerayo ndi 0, pakakhala ma adapter angapo a USB-CAN, manambala a index mu dongosolo lokwera kuyambira 0.
Reserved Reserved.
Kubweza:
Kubwezera mtengo = 1, zomwe zikutanthauza kuti ntchitoyo ndi yopambana; = 0 ikuwonetsa kuti ntchitoyi yalephera; = -1 imasonyeza kuti chipangizocho kulibe.
bRel = VCI_UsbDeviceReset(nDeviceType, Independence, 0);
3.1.2. VCI_FindUsbDevice2
Pamene PC yomweyo ntchito angapo USB-CAN, wosuta angagwiritse ntchito ntchito kupeza chipangizo panopa.
DWORD __stdcall VCI_FindUsbDevice2(PVCI_BOARD_INFO pInfo);
Zoyimira:
pInfo
pInfo imagwiritsidwa ntchito kusunga magawo a cholozera cha adilesi yoyamba ya data.
Kubwerera
Bweretsani nambala ya adaputala ya USB-CAN yolumikizidwa pakompyuta.
Gawo Lachinai Laibulale ya Interface Ntchito Pogwiritsa Ntchito Njira
Kuti muchulukitse magwiridwe antchito a chipangizocho, tidaperekanso ntchito zina (ntchito zowonetsedwa zobiriwira), ntchito izi zikuphatikiza: VCI_FindUsbDevice2 VCI_UsbDeviceReset. Pachitukuko chachiwiri, ntchitozi siziyenera kupemphedwa. Ngakhale izi sizimanyalanyazidwa, ntchito zonse za USB-CAN adapter zitha kukwaniritsidwa.
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WAVESHARE USB-CAN Bus Inter face Adapter Interface Function Library [pdf] Buku la Malangizo USB-CAN Bus Inter face Adapter Interface Function Library, USB-CAN, Bus Inter face Adapter Interface Function Library, Interface Function Library, Function Library |
