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Altera_Forum
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14 years ago

I2C read of De0 nano accelerometer

Hello everyone, I am using de0 nano and would like to try I2C read of accelerometer(ADXL345) that embedded in de0 nano. So I take it that I2C read has the following sequence: 1) generate start...
Altera_Forum's avatar
Altera_Forum
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14 years ago

Thanks again Daixiwen.

Yeah I use signaltap2 to check my coding. It shows that the slave grounded the pulse at 6'd11, 6'd20, 6'd31(low pulse instead of high pulse). If the slave do not acknowledge the master, it will give the high pulse at 6'd11, 6'd20, 6'd31.

If you think I am wrong at the acknowledge read pulse, how do you suggest me to get the right acknowledge read?

Thank you so much for your quick response, Daixiwen.