diff options
Diffstat (limited to 'src/drivers/ms5611/ms5611.cpp')
-rw-r--r-- | src/drivers/ms5611/ms5611.cpp | 47 |
1 files changed, 37 insertions, 10 deletions
diff --git a/src/drivers/ms5611/ms5611.cpp b/src/drivers/ms5611/ms5611.cpp index 1ce93aeea..fe669b5f5 100644 --- a/src/drivers/ms5611/ms5611.cpp +++ b/src/drivers/ms5611/ms5611.cpp @@ -50,6 +50,7 @@ #include <stdio.h> #include <math.h> #include <unistd.h> +#include <getopt.h> #include <nuttx/arch.h> #include <nuttx/wqueue.h> @@ -775,11 +776,12 @@ namespace ms5611 MS5611 *g_dev; -void start(); +void start(bool external_bus); void test(); void reset(); void info(); void calibrate(unsigned altitude); +void usage(); /** * MS5611 crc4 cribbed from the datasheet @@ -832,7 +834,7 @@ crc4(uint16_t *n_prom) * Start the driver. */ void -start() +start(bool external_bus) { int fd; prom_u prom_buf; @@ -845,7 +847,7 @@ start() /* create the driver, try SPI first, fall back to I2C if unsuccessful */ if (MS5611_spi_interface != nullptr) - interface = MS5611_spi_interface(prom_buf); + interface = MS5611_spi_interface(prom_buf, external_bus); if (interface == nullptr && (MS5611_i2c_interface != nullptr)) interface = MS5611_i2c_interface(prom_buf); @@ -1056,43 +1058,68 @@ calibrate(unsigned altitude) exit(0); } +void +usage() +{ + warnx("missing command: try 'start', 'info', 'test', 'test2', 'reset', 'calibrate'"); + warnx("options:"); + warnx(" -X (external bus)"); +} + } // namespace int ms5611_main(int argc, char *argv[]) { + bool external_bus = false; + int ch; + + /* jump over start/off/etc and look at options first */ + while ((ch = getopt(argc, argv, "X")) != EOF) { + switch (ch) { + case 'X': + external_bus = true; + break; + default: + ms5611::usage(); + exit(0); + } + } + + const char *verb = argv[optind]; + /* * Start/load the driver. */ - if (!strcmp(argv[1], "start")) - ms5611::start(); + if (!strcmp(verb, "start")) + ms5611::start(external_bus); /* * Test the driver/device. */ - if (!strcmp(argv[1], "test")) + if (!strcmp(verb, "test")) ms5611::test(); /* * Reset the driver. */ - if (!strcmp(argv[1], "reset")) + if (!strcmp(verb, "reset")) ms5611::reset(); /* * Print driver information. */ - if (!strcmp(argv[1], "info")) + if (!strcmp(verb, "info")) ms5611::info(); /* * Perform MSL pressure calibration given an altitude in metres */ - if (!strcmp(argv[1], "calibrate")) { + if (!strcmp(verb, "calibrate")) { if (argc < 2) errx(1, "missing altitude"); - long altitude = strtol(argv[2], nullptr, 10); + long altitude = strtol(argv[optind+1], nullptr, 10); ms5611::calibrate(altitude); } |