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Re: [Paparazzi-devel] Eagletree airspeed sensor problems


From: Chris
Subject: Re: [Paparazzi-devel] Eagletree airspeed sensor problems
Date: Sat, 19 Jan 2013 13:03:53 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2

I found this on the airspeed manual"
Here is the pseudo code for accessing the Airspeed and Altimeter sensors:
byte data[2];
signed short reading = 0xFFFF;
i2c_start();
// select sensor in write mode
if (!(i2c_write(SENSOR_ADDRESS | I2C_WRITE_BIT))) {
// send "read data" command to sensor
if (!i2c_write(0x07)) {

From what i understand in the paparazzi code we are only receiving not transceiving.
  if (airspeed_ets_i2c_trans.status == I2CTransDone)
I2CReceive(AIRSPEED_ETS_I2C_DEV, airspeed_ets_i2c_trans, AIRSPEED_ETS_ADDR, 2);

Is this correct?
Chris



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