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Airspeed sensor driver operational, needs cleanup / testing

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This commit is contained in:
Lorenz Meier 2013-07-22 10:24:35 +02:00
parent 97f732ccf1
commit edcd25b5ed
1 changed files with 11 additions and 48 deletions
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59
src/drivers/meas_airspeed/meas_airspeed.cpp
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@ -85,13 +85,10 @@
#include <drivers/airspeed/airspeed.h>
/* Default I2C bus */
#define PX4_I2C_BUS_DEFAULT PX4_I2C_BUS_EXPANSION
/* I2C bus address is 1010001x */
#define I2C_ADDRESS_MS4525DO 0x51 /* 7-bit address. */
#define I2C_ADDRESS_MS4525DO 0x28 //0x51 /* 7-bit address. */
/* The MS5525DSO address is 111011Cx, where C is the complementary value of the pin CSB */
#define I2C_ADDRESS_MS5525DSO 0x77 /* 7-bit address, addr. pin pulled low */
#define I2C_ADDRESS_MS5525DSO 0x77 //0x77/* 7-bit address, addr. pin pulled low */
/* Register address */
#define ADDR_RESET_CMD 0x1E /* write to this address to reset chip */
@ -298,59 +295,25 @@ start(int i2c_bus)
errx(1, "already started");
/* create the driver, try the MS4525DO first */
//g_dev = new MEASAirspeed(i2c_bus, I2C_ADDRESS_MS4525DO);
int bus = PX4_I2C_BUS_EXPANSION;
//delete g_dev;
// XXX hack scan all addresses
for (int i = 0x20 / 2; i < 0xFE / 2; i++) {
warnx("scanning addr (7 bit): 0x%02x", i);
g_dev = new MEASAirspeed(bus, i);
warnx("probing");
if (OK == g_dev->Airspeed::init()) {
warnx("SUCCESS!");
usleep(200000);
exit(0);
} else {
warnx("FAIL!");
usleep(200000);
delete g_dev;
}
}
bus = PX4_I2C_BUS_ESC;
for (int i = 1; i < 0xFF / 2; i++) {
warnx("scanning addr (7 bit): %0x", i);
g_dev = new MEASAirspeed(bus, i);
if (OK == g_dev->Airspeed::init()) {
warnx("SUCCESS!");
exit(0);
} else {
delete g_dev;
}
}
g_dev = new MEASAirspeed(i2c_bus, I2C_ADDRESS_MS4525DO);
/* check if the MS4525DO was instantiated */
if (g_dev == nullptr)
goto fail;
/* try the MS5525DSO next if init fails */
if (OK != g_dev->Airspeed::init())
if (OK != g_dev->Airspeed::init()) {
delete g_dev;
g_dev = new MEASAirspeed(i2c_bus, I2C_ADDRESS_MS5525DSO);
/* check if the MS5525DSO was instantiated */
if (g_dev == nullptr)
goto fail;
/* check if the MS5525DSO was instantiated */
if (g_dev == nullptr)
goto fail;
/* both versions failed if the init for the MS5525DSO fails, give up */
if (OK != g_dev->Airspeed::init())
goto fail;
/* both versions failed if the init for the MS5525DSO fails, give up */
if (OK != g_dev->Airspeed::init())
goto fail;
}
/* set the poll rate to default, starts automatic data collection */
fd = open(AIRSPEED_DEVICE_PATH, O_RDONLY);