Shortstack MicroServer 常见问题问答 点击：1270 | 回复：7
发表于：2001-08-10 15:42:00
2楼
How do I add a LonWorks® interface to my application?
You ll first decide what data you want your application to share with other devices on the network. You then use the ShortStack Wizard to translate your data descriptions into data tables that you link with your application. Finally, you will integrate the ShortStack API with your application and make a few simple function calls to send and receive data. For example, a single function call is used to send a data value on the network. Another function call is used to retrieve the current value of any data point
发表于：2001-08-10 15:45:00
3楼
Do I have to supply any non-volatile memory on the host processor?
No. The 4Kbyte program memory can be ROM, PROM, or flash. The 200 bytes of RAM is required for buffers, temporary data, and stack. There is no requirement for additional non-volatile memory.
How long will it take me to port the ShortStack software to a new microcontroller?
The complexity of the port depends on the host processor, but a typical porting time is two to three weeks.
What languages can I use for development?
The example software ports are all in ANSI C. The API and driver source is simple enough that it can be ported to other languages or assembly language, but this will require more work than using C as your host application development language.
发表于：2001-08-10 15:46:00
4楼
What is the data rate between the ShortStack Micro Server and my host processor?
The data rate is selectable, and the range depends on the clock speed of your ShortStack Micro Server, and whether you are using and SCI or SPI interface. A ShortStack Micro Server implemented with an SCI interface and a 40MHz clock can have a data rate from 307,200bps to 9600bps. The available clock rates scale with the ShortStack Micro Server input clock, so a ShortStack Micro Server implemented with an SCI interface and a 2.5MHz clock can have a data rate from 19,200bps to 600bps.
My host processor supports both SCI and SPI interfaces, which do you recommend?
The SCI interface because is easier to implement on the host, requires fewer I/O lines, and provide comparable performance.
发表于：2001-08-10 15:47:00
5楼
What development tools do I need to add a ShortStack interface to my product?
You need a microcontroller development system for your host processor. In addition, you need a ShortStack Developer s Kit that includes the ShortStack software for your host, and ShortStack firmware for creating a PL-20 power line or TP/FT-10 free topology twisted pair ShortStack Micro Server. The ShortStack Developer s Kit will be downloadable from our web site free of charge. If you are developing for a LonWorks transceiver other than an Echelon Smart Transceiver, FTT-10A, LPT-10, or PLT-22, you will need a ShortStack Redistribution Kit. The limited-release ShortStack products that are available today also require an Echelon NodeBuilder® or LonBuilder® tool, however, these tools will not be required for the general-availability release in Q4.
发表于：2001-08-10 15:47:00
6楼
What development tools do I need to add a ShortStack interface to my product?
You need a microcontroller development system for your host processor. In addition, you need a ShortStack Developer s Kit that includes the ShortStack software for your host, and ShortStack firmware for creating a PL-20 power line or TP/FT-10 free topology twisted pair ShortStack Micro Server. The ShortStack Developer s Kit will be downloadable from our web site free of charge. If you are developing for a LonWorks transceiver other than an Echelon Smart Transceiver, FTT-10A, LPT-10, or PLT-22, you will need a ShortStack Redistribution Kit. The limited-release ShortStack products that are available today also require an Echelon NodeBuilder® or LonBuilder® tool, however, these tools will not be required for the general-availability release in Q4.
发表于：2001-08-10 15:48:00
7楼
What development tools do I need to add a ShortStack interface to my product?
You need a microcontroller development system for your host processor. In addition, you need a ShortStack Developer s Kit that includes the ShortStack software for your host, and ShortStack firmware for creating a PL-20 power line or TP/FT-10 free topology twisted pair ShortStack Micro Server. The ShortStack Developer s Kit will be downloadable from our web site free of charge. If you are developing for a LonWorks transceiver other than an Echelon Smart Transceiver, FTT-10A, LPT-10, or PLT-22, you will need a ShortStack Redistribution Kit. The limited-release ShortStack products that are available today also require an Echelon NodeBuilder or LonBuilder tool, however, these tools will not be required for the general-availability release in Q4.
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