inconsistent responses.

[peepo]

first time loaded fine, I do nothing, just load again.

pi@RPi2-SPIdisplay ~ $ sudo logi_loader_2 logipi_top.bit
Compiled for LOGI-PI
Board variant is LOGIPI_R1.5
bit file size : 341548
bitstream loaded, check done led
pi@RPi2-SPIdisplay ~ $ sudo logi_loader_2 logipi_top.bit
Compiled for LOGI-PI
Cannot detect LOGI-PI with I2C_LOADER, switching to old bit-bang loader
Board variant is LOGIPI_R1.0
bit file size : 341548
FPGA did not answer to prog request, init pin not going high
bitstream loaded, check done led

using RPi2 with LPi2

[fpga-logi-fam]

Do you have to reboot to get it to work again ? From the loader output, it
seems that the design you loaded in the FPGA does not initialize the i2c
pins as 'Z' causing the i2c bus to be messed up.
Le 14 août 2015 12:13, "Jonathan Chetwynd" [email protected] a
écrit :

first time loaded fine, I do nothing, just load again.

pi@RPi2-SPIdisplay ~ $ sudo logi_loader_2 logipi_top.bit
Compiled for LOGI-PI
Board variant is LOGIPI_R1.5
bit file size : 341548
bitstream loaded, check done led
pi@RPi2-SPIdisplay ~ $ sudo logi_loader_2 logipi_top.bit
Compiled for LOGI-PI
Cannot detect LOGI-PI with I2C_LOADER, switching to old bit-bang loader
Board variant is LOGIPI_R1.0
bit file size : 341548
FPGA did not answer to prog request, init pin not going high
bitstream loaded, check done led

using RPi2 with LPi2

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#3.

[peepo]

I have not yet got a good handle on the inconsistencies, cf camera.
from my position of ignorance, it would seem to be helpful if code was commented.
loader is a critical piece of work.
when testing one can waste a lot of time.
I'll try to add some further examples as I find them.