Hi Jimmy,
Ps review the following app notes. They should help get your system functional.
8206.hdq_implementation_with msp430_slaa196.pdf
7167.msp430_hdq_slva413a.pdf
7776.uart-hdq_slva101.pdf
thanks
Onyx
Hi Julien,
Pls see the app note below and see if that helps you some
hdq_implementation_with msp430_slaa196.pdf
msp430_hdq_slva413a.pdf
uart-hdq_slva101.pdf
thanks
Onyx
Hi Andy,
HDQ comm protocol doesn't have an ACK like Smbus or I2C. That is a limitation of the protocol. pls see attached app notes to offer guidiance on using the hdq protocol.
slaa196-msp430with_hdq.pdf
hdqbasics.pdf
thanks
Onyx
hi Liberty
your ground should be connected to vss and your hdq pin to the hdq of the ev2400 and you should have a pull-up to the hdq
We don't have any hdq drivers, however see attached app notes that might offer you some guidance.
7446.hdq_implementation_with…
App Note says:
>> The examples provided with this application note give the user a basic functioning MCU host software for communicating with the following products: bq26100, bq26150, >>bq26500, bq27000, bq27010, bq27200, bq27210, bq27500, bq27505…
Hi,
We do not recommend programming the gauge in hdq because of the speed, but rather in i2c mode. While in the field communication is via hdq. I do not have sample code, but you can read registers from the gauge using bqstudio and sniff the bus. Also…