Re: [Paparazzi-devel] Eagletree airspeed sensor problems

[Eduardo lavratti]

Hello Felix, i am using lisa_m 1.0 with PPM input on UART1.
It work fine.

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Date: Sun, 20 Jan 2013 11:12:52 +0100
From: address@hidden
To: address@hidden
Subject: Re: [Paparazzi-devel] Eagletree airspeed sensor problems

Regarding the PPM input on the UART1_RX: it should work in master, would be great if you could test it there...

On Sun, Jan 20, 2013 at 11:06 AM, Felix Ruess <address@hidden> wrote:

Well, what is documented in the manual is for the third party mode (outputs mph or kph), which has to be configured using some eagle-tree windows tool first.

We are using the eagle-tree mode (raw), which is not really documented it seems.

On Sat, Jan 19, 2013 at 12:03 PM, Chris <address@hidden> wrote:

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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