diff options
Diffstat (limited to 'libdivecomputer.c')
| -rw-r--r-- | libdivecomputer.c | 69 |
1 files changed, 67 insertions, 2 deletions
diff --git a/libdivecomputer.c b/libdivecomputer.c index 971d70948..4a095f48c 100644 --- a/libdivecomputer.c +++ b/libdivecomputer.c @@ -42,7 +42,70 @@ static dc_status_t create_parser(device_data_t *devdata, dc_parser_t **parser) return dc_parser_new(parser, devdata->device); } -static int parse_gasmixes(device_data_t *devdata, struct dive *dive, dc_parser_t *parser, int ngases) +/* Atomics Aquatics Cobalt specific parsing of tank information + * realistically this REALLY needs to be done in libdivecomputer - but the + * current API doesn't even have the notion of tank size, so for now I do + * this here, but I need to work with Jef to make sure this gets added in + * the new libdivecomputer API */ +#define COBALT_HEADER 228 +struct atomics_gas_info { + uint8_t gas_nr; + uint8_t po2imit; + uint8_t tankspecmethod; /* 1: CF@psi 2: CF@bar 3: wet vol in deciliter */ + uint8_t gasmixtype; + uint8_t fo2; + uint8_t fhe; + uint16_t startpressure; /* in psi */ + uint16_t tanksize; /* CF or dl */ + uint16_t workingpressure; + uint16_t sensorid; + uint16_t endpressure; /* in psi */ + uint16_t totalconsumption; /* in liters */ +}; +#define COBALT_CFATPSI 1 +#define COBALT_CFATBAR 2 +#define COBALT_WETINDL 3 + +static void get_tanksize(device_data_t *devdata, const unsigned char *data, cylinder_t *cyl, int idx) +{ + /* I don't like this kind of match... I'd love to have an ID and + * a firmware version or... something; and even better, just get + * this from libdivecomputer */ + if (!strcmp(devdata->vendor, "Atomic Aquatics") && + !strcmp(devdata->product, "Cobalt")) { + struct atomics_gas_info *atomics_gas_info; + double airvolume; + int mbar; + + /* at least some quick sanity check to make sure this is the + * right data */ + if (*(uint32_t *)data != 0xFFFEFFFE) { + printf("incorrect header for Atomics dive\n"); + return; + } + atomics_gas_info = (void*)(data + COBALT_HEADER); + switch (atomics_gas_info[idx].tankspecmethod) { + case COBALT_CFATPSI: + airvolume = cuft_to_l(atomics_gas_info[idx].tanksize) * 1000.0; + mbar = psi_to_mbar(atomics_gas_info[idx].workingpressure); + cyl[idx].type.size.mliter = airvolume / bar_to_atm(mbar / 1000.0) + 0.5; + cyl[idx].type.workingpressure.mbar = mbar; + break; + case COBALT_CFATBAR: + airvolume = cuft_to_l(atomics_gas_info[idx].tanksize) * 1000.0; + mbar = atomics_gas_info[idx].workingpressure * 1000; + cyl[idx].type.size.mliter = airvolume / bar_to_atm(mbar / 1000.0) + 0.5; + cyl[idx].type.workingpressure.mbar = mbar; + break; + case COBALT_WETINDL: + cyl[idx].type.size.mliter = atomics_gas_info[idx].tanksize * 100; + break; + } + } +} + +static int parse_gasmixes(device_data_t *devdata, struct dive *dive, dc_parser_t *parser, int ngases, + const unsigned char *data) { int i; @@ -69,6 +132,8 @@ static int parse_gasmixes(device_data_t *devdata, struct dive *dive, dc_parser_t dive->cylinder[i].gasmix.o2.permille = o2; dive->cylinder[i].gasmix.he.permille = he; + + get_tanksize(devdata, data, dive->cylinder, i); } return DC_STATUS_SUCCESS; } @@ -407,7 +472,7 @@ static int dive_cb(const unsigned char *data, unsigned int size, dive->salinity = salinity * 10000.0 + 0.5; #endif - rc = parse_gasmixes(devdata, dive, parser, ngases); + rc = parse_gasmixes(devdata, dive, parser, ngases, data); if (rc != DC_STATUS_SUCCESS) { dev_info(devdata, _("Error parsing the gas mix")); dc_parser_destroy(parser); |