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| Search found 9 matches |
| Author | Message |
|---|---|
 Topic: SPI not working with SS |
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| SoBot Replies: 3 Views: 5161 |
 Forum: General CCS C Discussion Posted: Sat Sep 04, 2010 4:04 am Subject: SPI not working with SS |
| Thanks ckielstra. I changed it now to setup_spi(SPI_MASTER | SPI_MODE_3 | spi_clk_div_64 ) in the master and still the same results. Everything works well, but as soon as I turn on the SS in the slave ... | |
| Topic: SPI not working with SS |
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| SoBot Replies: 3 Views: 5161 |
Forum: General CCS C Discussion Posted: Fri Sep 03, 2010 7:39 am Subject: SPI not working with SS |
| I have my two PIC18F2341's connected over SPI. I send only one byte and test it on the other side. If my slave is in SPI_SS_Disabled mode, then everything works fine. If the SS is enabled then the sla ... | |
| Topic: SPI write hangs |
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| SoBot Replies: 4 Views: 6672 |
Forum: General CCS C Discussion Posted: Fri Sep 03, 2010 7:01 am Subject: SPI write hangs |
| Yes it does, I also tested it with a scope. | |
| Topic: SPI write hangs |
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| SoBot Replies: 4 Views: 6672 |
Forum: General CCS C Discussion Posted: Wed Sep 01, 2010 3:05 pm Subject: SPI write hangs |
| Thanks Ttelmah. Let me give you some more info on my situation. My master is a SBC and only has half duplex SPI. So the master SPI_Read()command does not take any parameters. This is how I understand ... | |
| Topic: SPI write hangs |
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| SoBot Replies: 4 Views: 6672 |
Forum: General CCS C Discussion Posted: Wed Sep 01, 2010 1:28 am Subject: SPI write hangs |
| I have a SPI link between a computer and a PIC18f2431. The computer is the master and pic is slave. The master writes one byte to the slave then waits for 1 second and then calls a read_spi 3 times wi ... | |
| Topic: Measuring speed with QEI |
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| SoBot Replies: 15 Views: 30166 |
Forum: General CCS C Discussion Posted: Thu Jul 29, 2010 4:43 am Subject: Measuring speed with QEI |
| I'm trying to measure speed using the QEI. My encoder has 512 tics per rotation. QEI is setup for 4x mode, that means the encoder has effectively 512x4=2048 tics per rotation. One tic is 360/2048 = 0. ... | |
| Topic: Master/slave spi communication |
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| SoBot Replies: 24 Views: 41941 |
Forum: General CCS C Discussion Posted: Fri Apr 23, 2010 6:40 am Subject: Master/slave spi communication |
I got the problem. When I looked at my connections to list them, I saw that I had wrongly wired it. My bad 
Thanks |
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| Topic: Master/slave spi communication |
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| SoBot Replies: 24 Views: 41941 |
Forum: General CCS C Discussion Posted: Thu Apr 22, 2010 4:42 am Subject: Master/slave spi communication |
| I am communicating over SPI between two microcontrollers. Each one is on its own pcb and the spi port is connected with a ribbon cable (pcb grounds also connected). For some reason the data does not t ... | |
| Topic: Quadrature Encoder Interface |
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| SoBot Replies: 3 Views: 8237 |
Forum: General CCS C Discussion Posted: Tue Apr 20, 2010 8:38 am Subject: Quadrature encoder module |
| Do you know if these Quadrature Eencoder module functions has by any chance been implimented in the meantime? | |
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