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???
06/23/05 19:51
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#95779 - SPI with not response
Responding to: ???'s previous message
I have very little experience with SPI; however with other serial interfaces I have found it VERY useful to test the code and hardware with a "responding" device (e.g. a serial memory) when coding for devices with no response.

I know not if your code or hardware for the interface is good or not and am just suggesting a technique for eliminating the interface as a possible cause of your problems.

Erik

List of 18 messages in thread
TopicAuthorDate
Nokia 3310 LCD & 89s52            01/01/70 00:00      
   Not tried it            01/01/70 00:00      
      Contrast            01/01/70 00:00      
   other controllers            01/01/70 00:00      
      use pressure            01/01/70 00:00      
         Re: connector            01/01/70 00:00      
            scope!            01/01/70 00:00      
            dedicated SPI port            01/01/70 00:00      
               SPI with not response            01/01/70 00:00      
            Check the pins            01/01/70 00:00      
      Re: port structures            01/01/70 00:00      
   more scope now!!            01/01/70 00:00      
      89S52 at 3.3V?            01/01/70 00:00      
         What a memory            01/01/70 00:00      
            AT89LS52            01/01/70 00:00      
               3310 LCD and C code            01/01/70 00:00      
               Interesting            01/01/70 00:00      
                  oops!!            01/01/70 00:00      

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