Re: Using DLC or data byte count in frame in a CAN driver API
"Kees Zagers" <[email protected]>
| Newsgroups | gmane.comp.hardware.bus.can |
|---|---|
| Organization | SI-Kwadraat |
| Message-ID | <004c01ce0520$28643030$7703a8c0@SIKwadraat> |
SGVsbG8gb3RoZXIgQ0FOIGZyZWFrcywNCg0KSW4gbXkgInNpbXBsZSIgb3BpbmlvbiB0aGUgZHJp dmVyIGlzIHRoZSBpbnRlcmZhY2UgYmV0d2VlbiBoYXJkd2FyZSBhbmQgYXBwbGljYXRpb24gc29m dHdhcmUgaW4gZ2VuZXJhbC4gT24gdGhlIGhhcmR3YXJlIHNpZGUgd2Ugb25seSBoYXZlIHRoZSBE TEMgYW5kIHRoZSBudW1iZXIgb2YgYnl0ZXMgYXZhaWxhYmxlLiBPbiB0aGUgYXBwbGljYXRpb24g c2lkZSBpbiB0aGUgZmlyc3QgcGxhY2UgaXQgaXMgdGhlIGxheWVyIDcgcHJvdG9jb2wgd2hpY2gg ZGVjaWRlcyBob3cgdGhlIGRhdGEgYW5kIERMQyBzaG91bGQgYmUgaGFuZGxlZC4NCg0KQXMgSjE5 MzkgYWxscmVhZHkgZGV0ZXJtaW5lcyB0aGUgRExDIHRvIGJlIDggZm9yIGFsbW9zdCBhbGwgbWVz c2FnZXMsIEkgY2FuIGltYWdpbmUgdGhhdCB0aGV5IGRlY2lkZSBmb3IgdGhlIENBTi1GRCBpdCB3 aWxsIHJlbWFpbiA4IGZvciB0aGUgc3RhbmRhcmQgbWVzc2FnZXMgYW5kIDE1IGZvciB0aGUgaGln aCBkZW5zaXR5L2hpZ2ggc3BlZWQgbWVzc2FnZXMuDQoNCkNBTm9wZW4gb2ZmZXJzIGEgbG90IG1v cmUgb2YgZmxleGliaWxpdHkuIFlvdSBjYW4gZGVmaW5lIGFsbCBraW5kIG9mIG1ldGhvZHMgaW4g dGhlIHByb3RvY29sIHRvIGRlZmluZSBhICJmbGV4aWJsZSIgZGF0YSBsZW5ndGgsIGJ1dCBpZiB5 b3UgYnJpbmcgdGhpcyB0byB0aGUgZHJpdmVyIEkgdGhpbmsgeW91IHdpbGwgbmVlZCBhbm90aGVy IGRyaXZlciBmb3IgZXZlcnkgcHJvdG9jb2wuIEkgd291bGQgdGhpbmsgb2Ygc29tZSBraW5kIG9m IHByb2ZpbGUgaW4gQ0FOb3BlbiBmb3IgdGhlIGZsZXhpYmxlIENBTiBGRCBkYXRhIGxlbmd0aCBh bmQgdGhlIHNvdXJjZSBjb2RlIHZlbmRvcnMgb2ZmZXIgdGhpcyBhcyBhbiBvcHRpb24uDQoNCk90 aGVyIHByb3RvY29scyB3aGljaCBsaWtlIHRvIGhhdmUgYSBmbGV4aWJsZSBkYXRhIGxlbmd0aCBz aG91bGQgaGF2ZSBhIHNhbWUga2luZCBvZiBwcm9jZWR1cmUuDQoNCkp1c3QgbXkgMmN0IChvciBz aG91bGQgSSBzZW5kIG9uZSBvZiBvdXIgbmV3IDIgRXVybyBjb2lucyB3aXRoIHRoZSBoZWFkcyBv ZiBvdXIgbGVhdmluZyBxdWVlbiBhbmQgb3VyIGNvbWluZyBraW5nOyBvbmx5IDIwIG1pbGxpb24g d2lsbCBiZSBtYWRlIG9mIGl0IDotKQ0KDQpLZWVzDQoNCi0tLS0tIE9yaWdpbmFsIE1lc3NhZ2Ug LS0tLS0gDQpGcm9tOiAiQnJhbSBLZXJraG9mIiA8Y2FuYnVzQHRlbGVuZXQuYmU+DQpUbzogPGNh bmxpc3RAY2FubGlzdC5vcmc+DQpTZW50OiBXZWRuZXNkYXksIEZlYnJ1YXJ5IDA2LCAyMDEzIDEw OjE2IFBNDQpTdWJqZWN0OiBSRTogW0NBTkxJU1RdIFVzaW5nIERMQyBvciBkYXRhIGJ5dGUgY291 bnQgaW4gZnJhbWUgaW4gYSBDQU4gZHJpdmVyIEFQSQ0KDQoNCj4gQmVzaWRlcyB0aGUgYnVmZmVy IGFuZCB0aGUgbGVuZ3RoLCB5b3Ugd291bGQgYWxzbyBuZWVkIHRvIGJlIGFibGUgdG8gc3BlY2lm eQ0KPiB0aGUgJ3plcm8nIHZhbHVlIGZvciB0aGUgcGFkZGluZyBieXRlcyBpbiB5b3VyIG1lc3Nh Z2UuDQo+IA0KPiBTbyB0aGlzIHdvdWxkIGJvaWwgZG93biB0byBzb21ldGhpbmcgbGlrZQ0KPiAN Cj4gdm9pZCBzZW5kKGJ5dGUqIGJ1ZiwgYnl0ZSBzaXplLCBieXRlIGRsYywgYnl0ZSB6ZXJvPTAp DQo+IC0gYnVmID0gcG9pbnRlciB0byBidWZmZXINCj4gLSBzaXplID0gc2l6ZSBvZiBidWZmZXIN Cj4gLSBkbGMgPSBzaXplIHRvIHNlbmQgWzAtOCwxMiwxNiwyMCwyNCwzMiw0OCw2NCwweGZmXSB3 aGVyZSAweGZmIG1lYW5zDQo+IGF1dG9zaXplDQo+IC0gemVybyA9IHZhbHVlIHRvIHVzZSBmb3Ig cGFkZGluZyBpZiBzaXplIGlzIGRpZmZlcmVudCBmcm9tIENBTiBGRCBmcmFtZQ0KPiBzaXplDQo+ IA0KPiBjaGVlcnMsDQo+IEJyYW0NCj4gDQo+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQo+ IEZyb206IGNhbmxpc3Qtb3duZXJAdmlzdHJlbTEudmVjdG9yLWluZm9ybWF0aWsuZGUNCj4gW21h aWx0bzpjYW5saXN0LW93bmVyQHZpc3RyZW0xLnZlY3Rvci1pbmZvcm1hdGlrLmRlXSBPbiBCZWhh bGYgT2YgSm9obg0KPiBEYW1teWVyDQo+IFNlbnQ6IHdvZW5zZGFnIDYgZmVicnVhcmkgMjAxMyAy MjowNQ0KPiBUbzogY2FubGlzdEBjYW5saXN0Lm9yZw0KPiBTdWJqZWN0OiBSRTogW0NBTkxJU1Rd IFVzaW5nIERMQyBvciBkYXRhIGJ5dGUgY291bnQgaW4gZnJhbWUgaW4gYSBDQU4gZHJpdmVyDQo+ IEFQSQ0KPiANCj4gSGVpbnosDQo+IA0KPiBJIHRoaW5rIGl0IHdpbGwgYmUgYmV0dGVyIHRvIHVz ZSBhIHBhcmFtZXRlciBmb3IgbGVuZ3RoIG9mIGRhdGEgdG8gdHJhbnNmZXINCj4gYW5kIG9uZSBm b3IgdGhlIERMQyB2YWx1ZS4gIFByb2JhYmx5IHRoZSBiaWdnZXN0IHJlYXNvbiBpcyB0aGF0IHRo ZSBhbW91bnQNCj4gb2YgZGF0YSB0aGF0IGlzIHJlbGV2YW50IGluIHNheSBhIDQ4IGJ5dGUgbWVz c2FnZSBtaWdodCBvbmx5IGJlIDQwIGJ5dGVzLg0KPiANCj4gSW4gdGhlIHBhc3QsIHdlIHNlbnQg Q0FOIG1lc3NhZ2VzIHRoYXQgaGFkIGEgRGF0YSBMZW5ndGggQ29kZSB0aGF0IG1hdGNoZWQNCj4g dGhlIG51bWJlciBvZiBieXRlcyB3ZSB3YW50ZWQgdG8gc2VuZC4gIEJ1dCBub3cgd2UgcmVhbGx5 IHdhbnQgdG8gc3BlY2lmeQ0KPiB0aGUgdHJhbnNwb3J0IHBhY2tldCAgc2l6ZSBhbmQgYWxzbyBo b3cgbWFueSBieXRlcyB0byB0cmFuc2ZlciBmcm9tIHRoZSBBUEkNCj4gaW50byB0aGF0IHBhY2tl dC4gIA0KPiANCj4gVGhlcmUncyBubyBwb2ludCBpbiBtb3ZpbmcgYW4gZXh0cmEgOCBieXRlcyBv ZiB3aGF0IG1heSB3ZWxsIGJlIHVuZGVmaW5lZA0KPiBhbnl3YXkgaW50byBvdXIgNDggYnl0ZSBw YWNrZXQgaWYgYWxsIHdlIHdhbnQgdG8gc2VuZCBpcyA0MCBieXRlcy4gIA0KPiANCj4gRm9yIGV4 YW1wbGUsIENBTiBtZXNzYWdlcyB0aGF0IGhhdmUgQVNDSUkgc3RyaW5ncyBmb3IgbG9nZ2luZyBz dGF0ZSBtYWNoaW5lDQo+IG5hbWVzIGFuZCBzdGF0ZXMgY291bGQgYmUgdXAgdG8gNDggYnl0ZXMg bG9uZyBidXQgbWlnaHQgb25seSBvY2N1cHkgMTMNCj4gYnl0ZXMuICBBIHN0YW5kYXJkIHJlcG9y dGluZyBtb2R1bGUgd291bGQganVzdCBzZW5kIDQ4IGJ5dGUgbGVuZ3RoIHBhY2tldHMNCj4gd2l0 aCBhIG51bGwgdGVybWluYXRlZCBzdHJpbmcuICBUaGUgQVBJIHRvIGRyaXZlciB0aG91Z2ggY2Fu J3QgYXNzdW1lIHRoZQ0KPiBudWxsIHRlcm1pbmF0aW9uIHNvIGEgc3RyaW5nIGxlbmd0aCBpcyBh IGdvb2QgaWRlYS4NCj4gDQo+IEpvaG4gRGFtbWV5ZXINCj4gDQo+IA0KPiANCj4gLS0NCj4gQXJj aGl2ZXMgYW5kIHVzZWZ1bCBsaW5rczogaHR0cDovL2dyb3Vwcy55YWhvby5jb20vZ3JvdXAvQ0FO YnVzDQo+IFN1YnNjcmliZSBhbmQgdW5zdWJzY3JpYmUgYXQgd3d3LnZlY3Rvci5jb20vY2FubGlz dC8NCj4gUmVwb3J0IGFueSBwcm9ibGVtcyB0byA8Y2FubGlzdC1vd25lckB2ZWN0b3ItaW5mb3Jt YXRpay5kZT4NCg== -- Archives and useful links: http://groups.yahoo.com/group/CANbus Subscribe and unsubscribe at www.vector.com/canlist/ Report any problems to <[email protected]>