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author | px4dev <px4@purgatory.org> | 2013-07-14 12:42:51 -0700 |
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committer | px4dev <px4@purgatory.org> | 2013-07-14 12:42:51 -0700 |
commit | 6cf120831289368015b7b4f51db4f99f418e7129 (patch) | |
tree | 66c8b7f146876f46d8f1db9d55167780a146aef1 /src/drivers/ms5611/ms5611.cpp | |
parent | b11e05d614c372c45a3492e2c3b45ab252defced (diff) | |
download | px4-firmware-6cf120831289368015b7b4f51db4f99f418e7129.tar.gz px4-firmware-6cf120831289368015b7b4f51db4f99f418e7129.tar.bz2 px4-firmware-6cf120831289368015b7b4f51db4f99f418e7129.zip |
Don't build interface drivers we don't have configs for. Make the interface drivers build.
Change the way we handle the prom buffer so that we can init the interface before constructing the driver.
Diffstat (limited to 'src/drivers/ms5611/ms5611.cpp')
-rw-r--r-- | src/drivers/ms5611/ms5611.cpp | 59 |
1 files changed, 34 insertions, 25 deletions
diff --git a/src/drivers/ms5611/ms5611.cpp b/src/drivers/ms5611/ms5611.cpp index b8c396f7b..9d9888a90 100644 --- a/src/drivers/ms5611/ms5611.cpp +++ b/src/drivers/ms5611/ms5611.cpp @@ -93,7 +93,7 @@ static const int ERROR = -1; class MS5611 : public device::CDev { public: - MS5611(device::Device *interface); + MS5611(device::Device *interface, ms5611::prom_u &prom_buf); ~MS5611(); virtual int init(); @@ -109,7 +109,7 @@ public: protected: Device *_interface; - ms5611::prom_u _prom; + ms5611::prom_s _prom; struct work_s _work; unsigned _measure_ticks; @@ -191,9 +191,10 @@ protected: */ extern "C" __EXPORT int ms5611_main(int argc, char *argv[]); -MS5611::MS5611(device::Device *interface) : +MS5611::MS5611(device::Device *interface, ms5611::prom_u &prom_buf) : CDev("MS5611", BARO_DEVICE_PATH), _interface(interface), + _prom(prom_buf.s), _measure_ticks(0), _num_reports(0), _next_report(0), @@ -230,13 +231,11 @@ MS5611::~MS5611() int MS5611::init() { + int ret; - /* verify that the interface is ok */ - unsigned arg = (unsigned)&_prom; - _interface->ioctl(IOCTL_SET_PROMBUFFER, arg); - int ret = _interface->init(); + ret = CDev::init(); if (ret != OK) { - debug("interface init failed"); + debug("CDev init failed"); goto out; } @@ -598,14 +597,14 @@ MS5611::collect() if (_measure_phase == 0) { /* temperature offset (in ADC units) */ - int32_t dT = (int32_t)raw - ((int32_t)_prom.s.c5_reference_temp << 8); + int32_t dT = (int32_t)raw - ((int32_t)_prom.c5_reference_temp << 8); /* absolute temperature in centidegrees - note intermediate value is outside 32-bit range */ - _TEMP = 2000 + (int32_t)(((int64_t)dT * _prom.s.c6_temp_coeff_temp) >> 23); + _TEMP = 2000 + (int32_t)(((int64_t)dT * _prom.c6_temp_coeff_temp) >> 23); /* base sensor scale/offset values */ - _SENS = ((int64_t)_prom.s.c1_pressure_sens << 15) + (((int64_t)_prom.s.c3_temp_coeff_pres_sens * dT) >> 8); - _OFF = ((int64_t)_prom.s.c2_pressure_offset << 16) + (((int64_t)_prom.s.c4_temp_coeff_pres_offset * dT) >> 7); + _SENS = ((int64_t)_prom.c1_pressure_sens << 15) + (((int64_t)_prom.c3_temp_coeff_pres_sens * dT) >> 8); + _OFF = ((int64_t)_prom.c2_pressure_offset << 16) + (((int64_t)_prom.c4_temp_coeff_pres_offset * dT) >> 7); /* temperature compensation */ if (_TEMP < 2000) { @@ -711,14 +710,14 @@ MS5611::print_info() printf("OFF: %lld\n", _OFF); printf("MSL pressure: %10.4f\n", (double)(_msl_pressure / 100.f)); - printf("factory_setup %u\n", _prom.s.factory_setup); - printf("c1_pressure_sens %u\n", _prom.s.c1_pressure_sens); - printf("c2_pressure_offset %u\n", _prom.s.c2_pressure_offset); - printf("c3_temp_coeff_pres_sens %u\n", _prom.s.c3_temp_coeff_pres_sens); - printf("c4_temp_coeff_pres_offset %u\n", _prom.s.c4_temp_coeff_pres_offset); - printf("c5_reference_temp %u\n", _prom.s.c5_reference_temp); - printf("c6_temp_coeff_temp %u\n", _prom.s.c6_temp_coeff_temp); - printf("serial_and_crc %u\n", _prom.s.serial_and_crc); + printf("factory_setup %u\n", _prom.factory_setup); + printf("c1_pressure_sens %u\n", _prom.c1_pressure_sens); + printf("c2_pressure_offset %u\n", _prom.c2_pressure_offset); + printf("c3_temp_coeff_pres_sens %u\n", _prom.c3_temp_coeff_pres_sens); + printf("c4_temp_coeff_pres_offset %u\n", _prom.c4_temp_coeff_pres_offset); + printf("c5_reference_temp %u\n", _prom.c5_reference_temp); + printf("c6_temp_coeff_temp %u\n", _prom.c6_temp_coeff_temp); + printf("serial_and_crc %u\n", _prom.serial_and_crc); } /** @@ -789,6 +788,7 @@ void start() { int fd; + prom_u prom_buf; if (g_dev != nullptr) errx(1, "already started"); @@ -797,14 +797,19 @@ start() /* create the driver, try SPI first, fall back to I2C if unsuccessful */ if (MS5611_spi_interface != nullptr) - interface = MS5611_spi_interface(); + interface = MS5611_spi_interface(prom_buf); if (interface == nullptr && (MS5611_i2c_interface != nullptr)) - interface = MS5611_i2c_interface(); + interface = MS5611_i2c_interface(prom_buf); if (interface == nullptr) errx(1, "failed to allocate an interface"); - g_dev = new MS5611(interface); + if (interface->init() != OK) { + delete interface; + errx(1, "interface init failed"); + } + + g_dev = new MS5611(interface, prom_buf); if (g_dev == nullptr) { delete interface; errx(1, "failed to allocate driver"); @@ -814,10 +819,14 @@ start() /* set the poll rate to default, starts automatic data collection */ fd = open(BARO_DEVICE_PATH, O_RDONLY); - if (fd < 0) + if (fd < 0) { + warnx("can't open baro device"); goto fail; - if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) + } + if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0) { + warnx("failed setting default poll rate"); goto fail; + } exit(0); |