Am 10.07.2017 um 18:19 schrieb Bas de Bruijn: > >> On 10 Jul 2017, at 18:04, 'Timm Eversmeyer' via Machinekit >> <[email protected] <mailto:[email protected]>> wrote: >> >> I'm trying to get sserial running on my DE0 Nano Soc. As starting >> point I changed the 5i25-socfpga.ini from the hm2-soc-stepper examples: >> >> CONFIG="firmware=socfpga/dtbo/DE0_Nano_SoC_DB25.7I76_7I85S_GPIO_GPIO.dtbo >> sserial_port_0=00000000 num_stepgens=4 num_encoders=1" >> >> The 7i76 config has the sserial tx 0 pin on gpio10. When connecting a >> logic analyzer I expect to the 2,5mbaud probe signal. But there is no >> probing signal. >> >> When using halmeter I can see the state of hm2_de0n.0.gpio.010.in. It >> is true. There is a high ohm pull up in the line. After connecting >> the signal to GND the signal is false. >> >> I think that the sserial is not activated for this port. Are there >> any example configurations for machinekit with serial? > > When you connect the mesa board, make sure you connect TB1 pins 5 and > 8 (VIN and GROUND). (with jumper W1 connecting VFIELD to VIN). When > you connect it like this, the 7i76 i/o will show up. > I have not connected the 7i76 to my board. I plugged the logic analyzer directly to GPIO0_6 on JP1 on the DE0 Nano Soc. The signal should appear there.
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