i2c bus eror problem

Lin Wei Hung

Prodigy 190 points

Other Parts Discussed in Thread: SYSBIOS

Hi,

The function I2CMasterErr() reply the the error status 0x0C and SCL will stuck low

Does any function can recover the I2C bus?

Thanks

over 12 years ago

0 Raghavendra Maddikery over 12 years ago

TI__Expert 5500 points

Hi lin wei-hung,

Are you using BIOSPSP?. If so, could you please mention which version of the biospsp you are using?.

Best Regards,

Raghavendra

0 Lin Wei Hung over 12 years ago in reply to Raghavendra Maddikery

Prodigy 190 points

Hi,

I use sysbios 6_33_04_39,Thanks

0 Raghavendra Maddikery over 12 years ago

TI__Expert 5500 points

lin wei-hung,

lin wei-hung said:
The function I2CMasterErr() reply the the error status 0x0C and SCL will stuck low

Where is the function I2CMasterErr() coming from?. Which package are you referring to? [EDIT]

Best Regards,

Raghavendra

0 Lin Wei Hung over 12 years ago in reply to Raghavendra Maddikery

Prodigy 190 points

Hi,

After use the below function the bus is ok,

SysCtlPeripheralReset(SYSCTL_PERIPH_I2C0);
I2CMasterInitExpClk(I2C0_MASTER_BASE,, SysCtlClockGet(), 0);
I2CMasterControl(I2C0_MASTER_BASE,, I2C_MASTER_CMD_BURST_SEND_ERROR_STOP);

Thanks

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i2c bus eror problem