From: Ruben Kerkhof Date: Sun, 13 Dec 2015 12:07:05 +0000 (+0100) Subject: barometer plugin: cleanup whitespace X-Git-Tag: collectd-5.5.1~15 X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=a64a492183a8173a873221b2fbeb8ab22ee23d41;p=collectd.git barometer plugin: cleanup whitespace Signed-off-by: Florian Forster --- diff --git a/src/barometer.c b/src/barometer.c index a6d98354..84ffdfcb 100644 --- a/src/barometer.c +++ b/src/barometer.c @@ -33,20 +33,20 @@ /* ------------ MPL115 defines ------------ */ /* I2C address of the MPL115 sensor */ #define MPL115_I2C_ADDRESS 0x60 - -/* register addresses */ + +/* register addresses */ #define MPL115_ADDR_CONV 0x00 #define MPL115_ADDR_COEFFS 0x04 - -/* register sizes */ + +/* register sizes */ #define MPL115_NUM_CONV 4 #define MPL115_NUM_COEFFS 12 - -/* commands / addresses */ + +/* commands / addresses */ #define MPL115_CMD_CONVERT_PRESS 0x10 #define MPL115_CMD_CONVERT_TEMP 0x11 #define MPL115_CMD_CONVERT_BOTH 0x12 - + #define MPL115_CONVERSION_RETRIES 5 @@ -82,12 +82,12 @@ #define MPL3115_PT_DATA_DREM 0x04 #define MPL3115_PT_DATA_PDEF 0x02 #define MPL3115_PT_DATA_TDEF 0x01 - + #define MPL3115_DR_STATUS_TDR 0x02 #define MPL3115_DR_STATUS_PDR 0x04 #define MPL3115_DR_STATUS_PTDR 0x08 #define MPL3115_DR_STATUS_DR (MPL3115_DR_STATUS_TDR | MPL3115_DR_STATUS_PDR | MPL3115_DR_STATUS_PTDR) - + #define MPL3115_DR_STATUS_TOW 0x20 #define MPL3115_DR_STATUS_POW 0x40 #define MPL3115_DR_STATUS_PTOW 0x80 @@ -115,7 +115,7 @@ /* I2C address of the BMP085 sensor */ #define BMP085_I2C_ADDRESS 0x77 -/* register addresses */ +/* register addresses */ #define BMP085_ADDR_ID_REG 0xD0 #define BMP085_ADDR_VERSION 0xD1 @@ -124,7 +124,7 @@ #define BMP085_ADDR_CTRL_REG 0xF4 #define BMP085_ADDR_COEFFS 0xAA -/* register sizes */ +/* register sizes */ #define BMP085_NUM_COEFFS 22 /* commands, values */ @@ -178,7 +178,7 @@ static const char *config_keys[] = }; static int config_keys_num = STATIC_ARRAY_SIZE(config_keys); - + static char * config_device = NULL; /**< I2C bus device */ static int config_oversample = 1; /**< averaging window */ @@ -187,9 +187,9 @@ static double config_temp_offset = 0.0; /**< temperature offset */ static double config_altitude = NAN; /**< altitude */ static int config_normalize = 0; /**< normalization method */ - + static _Bool configured = 0; /**< the whole plugin config status */ - + static int i2c_bus_fd = -1; /**< I2C bus device FD */ static enum Sensor_type sensor_type = Sensor_none; /**< detected/used sensor type */ @@ -243,7 +243,7 @@ static averaging_t pressure_averaging = { NULL, 0, 0L, 0 }; static averaging_t temperature_averaging = { NULL, 0, 0L, 0 }; -/** +/** * Create / allocate averaging buffer * * The buffer is initialized with zeros. @@ -309,9 +309,9 @@ static double averaging_add_sample(averaging_t * avg, long int sample) avg->ring_buffer[avg->ring_buffer_head] = sample; avg->ring_buffer_head = (avg->ring_buffer_head+1) % avg->ring_buffer_size; result = (double)(avg->ring_buffer_sum) / (double)(avg->ring_buffer_size); - - DEBUG ("barometer: averaging_add_sample - added %ld, result = %lf", - sample, + + DEBUG ("barometer: averaging_add_sample - added %ld, result = %lf", + sample, result); return result; @@ -474,7 +474,7 @@ static int get_reference_temperature(double * result) list = list->next; continue; } - + for(i=0; inum_values; ++i) { DEBUG ("barometer: get_reference_temperature - history %d: %lf", @@ -533,7 +533,7 @@ static int get_reference_temperature(double * result) } list = list->next; } /* while sensor list */ - + if(*result == NAN) { ERROR("barometer: get_reference_temperature - no sensor available (yet?)"); @@ -546,7 +546,7 @@ static int get_reference_temperature(double * result) /* ------------------------ MPL115 access ------------------------ */ -/** +/** * Detect presence of a MPL115 pressure sensor. * * Unfortunately there seems to be no ID register so we just try to read first @@ -554,7 +554,7 @@ static int get_reference_temperature(double * result) * MPL115. We should use this check as the last resort (which would be the typical * case anyway since MPL115 is the least accurate sensor). * As a sideeffect will leave set I2C slave address. - * + * * @return 1 if MPL115, 0 otherwise */ static int MPL115_detect(void) @@ -690,7 +690,7 @@ static void MPL115_convert_adc_to_real(double adc_pressure, Pcomp = mpl115_coeffA0 + \ (mpl115_coeffB1 + mpl115_coeffC11*adc_pressure + mpl115_coeffC12*adc_temp) * adc_pressure + \ (mpl115_coeffB2 + mpl115_coeffC22*adc_temp) * adc_temp; - + *pressure = ((1150.0-500.0) * Pcomp / 1023.0) + 500.0; *temperature = (472.0 - adc_temp) / 5.35 + 25.0; DEBUG ("barometer: MPL115_convert_adc_to_real - got %lf hPa, %lf C", @@ -802,11 +802,11 @@ static int MPL115_read_averaged(double * pressure, double * temperature) /* ------------------------ MPL3115 access ------------------------ */ -/** +/** * Detect presence of a MPL3115 pressure sensor by checking register "WHO AM I" * * As a sideeffect will leave set I2C slave address. - * + * * @return 1 if MPL3115, 0 otherwise */ static int MPL3115_detect(void) @@ -833,10 +833,10 @@ static int MPL3115_detect(void) return 0; } -/** +/** * Adjusts oversampling to values supported by MPL3115 * - * MPL3115 supports only power of 2 in the range 1 to 128. + * MPL3115 supports only power of 2 in the range 1 to 128. */ static void MPL3115_adjust_oversampling(void) { @@ -884,13 +884,13 @@ static void MPL3115_adjust_oversampling(void) } DEBUG("barometer: MPL3115_adjust_oversampling - correcting oversampling from %d to %d", - config_oversample, + config_oversample, new_val); config_oversample = new_val; } -/** - * Read sensor averegaed measurements +/** + * Read sensor averaged measurements * * @param pressure averaged measured pressure * @param temperature averaged measured temperature @@ -904,7 +904,7 @@ static int MPL3115_read(double * pressure, double * temperature) __u8 data[MPL3115_NUM_CONV_VALS]; long int tmp_value = 0; char errbuf[1024]; - + /* Set Active - activate the device from standby */ res = i2c_smbus_read_byte_data(i2c_bus_fd, MPL3115_REG_CTRL_REG1); if (res < 0) @@ -914,8 +914,8 @@ static int MPL3115_read(double * pressure, double * temperature) return 1; } ctrl = res; - res = i2c_smbus_write_byte_data(i2c_bus_fd, - MPL3115_REG_CTRL_REG1, + res = i2c_smbus_write_byte_data(i2c_bus_fd, + MPL3115_REG_CTRL_REG1, ctrl | MPL3115_CTRL_REG1_SBYB); if (res < 0) { @@ -923,10 +923,10 @@ static int MPL3115_read(double * pressure, double * temperature) sstrerror (errno, errbuf, sizeof (errbuf))); return 1; } - + /* base sleep is 5ms x OST */ usleep(5000 * config_oversample); - + /* check the flags/status if ready */ res = i2c_smbus_read_byte_data(i2c_bus_fd, MPL3115_REG_STATUS); if (res < 0) @@ -935,12 +935,12 @@ static int MPL3115_read(double * pressure, double * temperature) sstrerror (errno, errbuf, sizeof (errbuf))); return 1; } - + while ((res & MPL3115_DR_STATUS_DR) != MPL3115_DR_STATUS_DR) { /* try some extra sleep... */ usleep(10000); - + /* ... and repeat the check. The conversion has to finish sooner or later. */ res = i2c_smbus_read_byte_data(i2c_bus_fd, MPL3115_REG_STATUS); if (res < 0) @@ -950,10 +950,10 @@ static int MPL3115_read(double * pressure, double * temperature) return 1; } } - + /* Now read all the data in one block. There is address autoincrement. */ - res = i2c_smbus_read_i2c_block_data(i2c_bus_fd, - MPL3115_REG_OUT_P_MSB, + res = i2c_smbus_read_i2c_block_data(i2c_bus_fd, + MPL3115_REG_OUT_P_MSB, MPL3115_NUM_CONV_VALS, data); if (res < 0) @@ -962,11 +962,11 @@ static int MPL3115_read(double * pressure, double * temperature) sstrerror (errno, errbuf, sizeof (errbuf))); return 1; } - + tmp_value = (data[0] << 16) | (data[1] << 8) | data[2]; *pressure = ((double) tmp_value) / 4.0 / 16.0 / 100.0; DEBUG ("barometer: MPL3115_read - absolute pressure = %lf hPa", *pressure); - + if(data[3] > 0x7F) { data[3] = ~data[3] + 1; @@ -977,16 +977,16 @@ static int MPL3115_read(double * pressure, double * temperature) { *temperature = data[3]; } - + *temperature += (double)(data[4]) / 256.0; DEBUG ("barometer: MPL3115_read - temperature = %lf C", *temperature); - + return 0; } -/** +/** * Initialize MPL3115 for barometeric measurements - * + * * @return 0 if successful */ static int MPL3115_init_sensor(void) @@ -994,18 +994,18 @@ static int MPL3115_init_sensor(void) __s32 res; __s8 offset; char errbuf[1024]; - + /* Reset the sensor. It will reset immediately without ACKing */ /* the transaction, so no error handling here. */ - i2c_smbus_write_byte_data(i2c_bus_fd, - MPL3115_REG_CTRL_REG1, + i2c_smbus_write_byte_data(i2c_bus_fd, + MPL3115_REG_CTRL_REG1, MPL3115_CTRL_REG1_RST); - + /* wait some time for the reset to finish */ usleep(100000); /* now it should be in standby already so we can go and configure it */ - + /* Set temperature offset. */ /* result = ADCtemp + offset [C] */ offset = (__s8) (config_temp_offset * 16.0); @@ -1016,7 +1016,7 @@ static int MPL3115_init_sensor(void) sstrerror (errno, errbuf, sizeof (errbuf))); return -1; } - + /* Set pressure offset. */ /* result = ADCpress + offset [hPa] */ offset = (__s8) (config_press_offset * 100.0 / 4.0); @@ -1029,7 +1029,7 @@ static int MPL3115_init_sensor(void) } /* Enable Data Flags in PT_DATA_CFG - flags on both pressure and temp */ - res = i2c_smbus_write_byte_data(i2c_bus_fd, + res = i2c_smbus_write_byte_data(i2c_bus_fd, MPL3115_REG_PT_DATA_CFG, MPL3115_PT_DATA_DREM \ | MPL3115_PT_DATA_PDEF \ @@ -1041,9 +1041,9 @@ static int MPL3115_init_sensor(void) return -1; } - /* Set to barometer with an OSR */ - res = i2c_smbus_write_byte_data(i2c_bus_fd, - MPL3115_REG_CTRL_REG1, + /* Set to barometer with an OSR */ + res = i2c_smbus_write_byte_data(i2c_bus_fd, + MPL3115_REG_CTRL_REG1, mpl3115_oversample); if (res < 0) { @@ -1057,11 +1057,11 @@ static int MPL3115_init_sensor(void) /* ------------------------ BMP085 access ------------------------ */ -/** +/** * Detect presence of a BMP085 pressure sensor by checking its ID register * * As a sideeffect will leave set I2C slave address. - * + * * @return 1 if BMP085, 0 otherwise */ static int BMP085_detect(void) @@ -1101,10 +1101,10 @@ static int BMP085_detect(void) } -/** +/** * Adjusts oversampling settings to values supported by BMP085 * - * BMP085 supports only 1,2,4 or 8 samples. + * BMP085 supports only 1,2,4 or 8 samples. */ static void BMP085_adjust_oversampling(void) { @@ -1140,13 +1140,13 @@ static void BMP085_adjust_oversampling(void) } DEBUG("barometer: BMP085_adjust_oversampling - correcting oversampling from %d to %d", - config_oversample, + config_oversample, new_val); config_oversample = new_val; } -/** +/** * Read the BMP085 sensor conversion coefficients. * * These are (device specific) constants so we can read them just once. @@ -1156,12 +1156,12 @@ static void BMP085_adjust_oversampling(void) static int BMP085_read_coeffs(void) { __s32 res; - __u8 coeffs[BMP085_NUM_COEFFS]; + __u8 coeffs[BMP085_NUM_COEFFS]; char errbuf[1024]; - res = i2c_smbus_read_i2c_block_data(i2c_bus_fd, + res = i2c_smbus_read_i2c_block_data(i2c_bus_fd, BMP085_ADDR_COEFFS, - BMP085_NUM_COEFFS, + BMP085_NUM_COEFFS, coeffs); if (res < 0) { @@ -1169,7 +1169,7 @@ static int BMP085_read_coeffs(void) sstrerror (errno, errbuf, sizeof (errbuf))); return -1; } - + bmp085_AC1 = ((int16_t) coeffs[0] <<8) | (int16_t) coeffs[1]; bmp085_AC2 = ((int16_t) coeffs[2] <<8) | (int16_t) coeffs[3]; bmp085_AC3 = ((int16_t) coeffs[4] <<8) | (int16_t) coeffs[5]; @@ -1240,13 +1240,13 @@ static void BMP085_convert_adc_to_real(long adc_pressure, X2 = (((long)bmp085_AC2 * B6) >> 11); X3 = X1 + X2; B3 = (((((long)bmp085_AC1 * 4) + X3) << bmp085_oversampling) + 2) >> 2; - + /* B4 */ X1 = (((long)bmp085_AC3*B6) >> 13); X2 = (bmp085_B1*((B6*B6) >> 12) ) >> 16; X3 = ((X1 + X2) + 2 ) >> 2; B4 = ((long)bmp085_AC4* (unsigned long)(X3 + 32768)) >> 15; - + /* B7, P */ B7 = (unsigned long)(adc_pressure - B3)*(50000>>bmp085_oversampling); if( B7 < 0x80000000 ) @@ -1261,15 +1261,15 @@ static void BMP085_convert_adc_to_real(long adc_pressure, X1 = (X1 * 3038) >> 16; X2 = ((-7357) * P) >> 16; P = P + ( ( X1 + X2 + 3791 ) >> 4); - - *pressure = P / 100.0; // in [hPa] + + *pressure = P / 100.0; // in [hPa] DEBUG ("barometer: BMP085_convert_adc_to_real - got %lf hPa, %lf C", *pressure, *temperature); } - -/** + +/** * Read compensated sensor measurements * * @param pressure averaged measured pressure @@ -1301,9 +1301,9 @@ static int BMP085_read(double * pressure, double * temperature) usleep(BMP085_TIME_CNV_TEMP); /* wait for the conversion */ res = i2c_smbus_read_i2c_block_data( i2c_bus_fd, - BMP085_ADDR_CONV, + BMP085_ADDR_CONV, 2, - measBuff); + measBuff); if (res < 0) { ERROR ("barometer: BMP085_read - problem reading temperature data: %s", @@ -1311,12 +1311,12 @@ static int BMP085_read(double * pressure, double * temperature) return 1; } - adc_temperature = ( (unsigned short)measBuff[0] << 8 ) + measBuff[1]; - + adc_temperature = ( (unsigned short)measBuff[0] << 8 ) + measBuff[1]; + /* get presure */ res = i2c_smbus_write_byte_data( i2c_bus_fd, - BMP085_ADDR_CTRL_REG, + BMP085_ADDR_CTRL_REG, bmp085_cmdCnvPress ); if (res < 0) { @@ -1328,7 +1328,7 @@ static int BMP085_read(double * pressure, double * temperature) usleep(bmp085_timeCnvPress); /* wait for the conversion */ res = i2c_smbus_read_i2c_block_data( i2c_bus_fd, - BMP085_ADDR_CONV, + BMP085_ADDR_CONV, 3, measBuff ); if (res < 0) @@ -1339,7 +1339,7 @@ static int BMP085_read(double * pressure, double * temperature) } adc_pressure = (long)((((ulong)measBuff[0]<<16) | ((ulong)measBuff[1]<<8) | (ulong)measBuff[2] ) >> (8 - bmp085_oversampling)); - + DEBUG ("barometer: BMP085_read - raw pressure ADC value = %ld, " \ "raw temperature ADC value = %ld", @@ -1354,13 +1354,13 @@ static int BMP085_read(double * pressure, double * temperature) /* ------------------------ Sensor detection ------------------------ */ -/** +/** * Detect presence of a supported sensor. * * As a sideeffect will leave set I2C slave address. * The detection is done in the order BMP085, MPL3115, MPL115 and stops after * first sensor beeing found. - * + * * @return detected sensor type */ enum Sensor_type Detect_sensor_type(void) @@ -1388,7 +1388,7 @@ enum Sensor_type Detect_sensor_type(void) * - MSLP_INTERNATIONAL - see http://en.wikipedia.org/wiki/Atmospheric_pressure#Altitude_atmospheric_pressure_variation * Requires #config_altitude * - * - MSLP_DEU_WETT - formula as recommended by the Deutsche Wetterdienst. See + * - MSLP_DEU_WETT - formula as recommended by the Deutsche Wetterdienst. See * http://de.wikipedia.org/wiki/Barometrische_H%C3%B6henformel#Theorie * Requires both #config_altitude and temperature reference(s). * @@ -1416,12 +1416,12 @@ static double abs_to_mean_sea_level_pressure(double abs_pressure) case MSLP_NONE: mean = abs_pressure; break; - + case MSLP_INTERNATIONAL: mean = abs_pressure / \ pow(1.0 - 0.0065*config_altitude/288.15, 9.80665*0.0289644/(8.31447*0.0065)); break; - + case MSLP_DEU_WETT: { double E; /* humidity */ @@ -1436,7 +1436,7 @@ static double abs_to_mean_sea_level_pressure(double abs_pressure) break; default: - ERROR ("barometer: abs_to_mean_sea_level_pressure: wrong conversion method %d", + ERROR ("barometer: abs_to_mean_sea_level_pressure: wrong conversion method %d", config_normalize); mean = abs_pressure; break; @@ -1447,17 +1447,17 @@ static double abs_to_mean_sea_level_pressure(double abs_pressure) config_normalize, mean); - return mean; + return mean; } /* ------------------------ main plugin callbacks ------------------------ */ -/** +/** * Main plugin configuration callback (using simple config) - * + * * @param key configuration key we should process * @param value configuration value we should process - * + * * @return Zero when successful. */ static int collectd_barometer_config (const char *key, const char *value) @@ -1511,7 +1511,7 @@ static int collectd_barometer_config (const char *key, const char *value) { config_temp_offset = atof(value); } - else + else { return -1; } @@ -1520,11 +1520,11 @@ static int collectd_barometer_config (const char *key, const char *value) } -/** +/** * Shutdown callback. - * + * * Close I2C and delete all the buffers. - * + * * @return Zero when successful (at the moment the only possible outcome) */ static int collectd_barometer_shutdown(void) @@ -1550,9 +1550,9 @@ static int collectd_barometer_shutdown(void) } -/** +/** * Plugin read callback for MPL115. - * + * * Dispatching will create values: * - /barometer-mpl115/pressure-normalized * - /barometer-mpl115/pressure-absolute @@ -1570,7 +1570,7 @@ static int MPL115_collectd_barometer_read (void) value_list_t vl = VALUE_LIST_INIT; value_t values[1]; - + DEBUG("barometer: MPL115_collectd_barometer_read"); if (!configured) @@ -1632,9 +1632,9 @@ static int MPL115_collectd_barometer_read (void) } -/** +/** * Plugin read callback for MPL3115. - * + * * Dispatching will create values: * - /barometer-mpl3115/pressure-normalized * - /barometer-mpl3115/pressure-absolute @@ -1645,21 +1645,21 @@ static int MPL115_collectd_barometer_read (void) static int MPL3115_collectd_barometer_read (void) { int result = 0; - + double pressure = 0.0; double temperature = 0.0; double norm_pressure = 0.0; - + value_list_t vl = VALUE_LIST_INIT; value_t values[1]; - + DEBUG("barometer: MPL3115_collectd_barometer_read"); - + if (!configured) { return -1; } - + result = MPL3115_read(&pressure, &temperature); if(result) return result; @@ -1695,9 +1695,9 @@ static int MPL3115_collectd_barometer_read (void) } -/** +/** * Plugin read callback for BMP085. - * + * * Dispatching will create values: * - /barometer-bmp085/pressure-normalized * - /barometer-bmp085/pressure-absolute @@ -1708,21 +1708,21 @@ static int MPL3115_collectd_barometer_read (void) static int BMP085_collectd_barometer_read (void) { int result = 0; - + double pressure = 0.0; double temperature = 0.0; double norm_pressure = 0.0; - + value_list_t vl = VALUE_LIST_INIT; value_t values[1]; - + DEBUG("barometer: BMP085_collectd_barometer_read"); - + if (!configured) { return -1; } - + result = BMP085_read(&pressure, &temperature); if(result) return result; @@ -1758,12 +1758,12 @@ static int BMP085_collectd_barometer_read (void) } -/** +/** * Initialization callback - * + * * Check config, initialize I2C bus access, conversion coefficients and averaging * ring buffers - * + * * @return Zero when successful. */ static int collectd_barometer_init (void) @@ -1814,10 +1814,10 @@ static int collectd_barometer_init (void) case Sensor_MPL3115: { MPL3115_adjust_oversampling(); - + if(MPL3115_init_sensor()) return -1; - + plugin_register_read ("barometer", MPL3115_collectd_barometer_read); } break; @@ -1830,16 +1830,16 @@ static int collectd_barometer_init (void) ERROR("barometer: collectd_barometer_init pressure averaging init failed"); return -1; } - + if (averaging_create (&temperature_averaging, config_oversample)) { ERROR("barometer: collectd_barometer_init temperature averaging init failed"); return -1; } - + if (MPL115_read_coeffs() < 0) return -1; - + plugin_register_read ("barometer", MPL115_collectd_barometer_read); } break; @@ -1861,7 +1861,7 @@ static int collectd_barometer_init (void) ERROR("barometer: collectd_barometer_init - no supported sensor found"); return -1; } - + configured = 1; return 0; @@ -1869,15 +1869,15 @@ static int collectd_barometer_init (void) /* ------------------------ plugin register / entry point ------------------------ */ -/** +/** * Plugin "entry" - register all callback. - * + * */ void module_register (void) { - plugin_register_config ("barometer", - collectd_barometer_config, - config_keys, + plugin_register_config ("barometer", + collectd_barometer_config, + config_keys, config_keys_num); plugin_register_init ("barometer", collectd_barometer_init); plugin_register_shutdown ("barometer", collectd_barometer_shutdown);