IZU2020
SPS30 library
Dependents: IZU2021_SPS30 Hybrid_IZU2021_MISSION_v2 Hybrid_IZU2021_MISSION
Diff: sps30.cpp
- Revision:
- 4:7558ddc3c7d6
- Parent:
- 2:549bee9a4cd0
- Child:
- 5:147de21156cf
--- a/sps30.cpp Tue Mar 05 07:04:37 2019 +0000
+++ b/sps30.cpp Wed Mar 06 02:22:52 2019 +0000
@@ -4,8 +4,8 @@
//-----------------------------------------------------------------------------
// Constructor
-sps30::sps30(PinName sda, PinName scl, int i2cFrequency) : _i2c(sda, scl) {
- _i2c.frequency(i2cFrequency);
+sps30::sps30(PinName sda, PinName scl, int i2c_frequency) : _i2c(sda, scl) {
+ _i2c.frequency(i2c_frequency);
}
//-----------------------------------------------------------------------------
@@ -18,14 +18,14 @@
// start auto-measurement
//
-uint8_t sps30::startMeasurement()
+uint8_t sps30::StartMeasurement()
{
- i2cBuff[0] = SPS30_CMMD_STRT_MEAS >> 8;
- i2cBuff[1] = SPS30_CMMD_STRT_MEAS & 255;
- i2cBuff[2] = 0x03;
- i2cBuff[3] = 0x00;
- i2cBuff[4] = sps30::calcCrc2b(0x0300);
- int res = _i2c.write(SPS30_I2C_ADDR, i2cBuff, 5, false);
+ i2cbuff[0] = SPS30_CMMD_STRT_MEAS >> 8;
+ i2cbuff[1] = SPS30_CMMD_STRT_MEAS & 255;
+ i2cbuff[2] = SPS30_STRT_MEAS_WRITE_DATA >> 8;
+ i2cbuff[3] = SPS30_STRT_MEAS_WRITE_DATA & 255;
+ i2cbuff[4] = sps30::CalcCrc2b(SPS30_STRT_MEAS_WRITE_DATA);
+ int res = _i2c.write(SPS30_I2C_ADDR, i2cbuff, 5, false);
if(res) return SPSnoAckERROR;
return SPSnoERROR;
}
@@ -33,11 +33,11 @@
//-----------------------------------------------------------------------------
// Stop auto-measurement
-uint8_t sps30::stopMeasurement()
+uint8_t sps30::StopMeasurement()
{
- i2cBuff[0] = SPS30_CMMD_STOP_MEAS >> 8;
- i2cBuff[1] = SPS30_CMMD_STOP_MEAS & 255;
- int res = _i2c.write(SPS30_I2C_ADDR, i2cBuff, 2, false);
+ i2cbuff[0] = SPS30_CMMD_STOP_MEAS >> 8;
+ i2cbuff[1] = SPS30_CMMD_STOP_MEAS & 255;
+ int res = _i2c.write(SPS30_I2C_ADDR, i2cbuff, 2, false);
if(res) return SPSnoAckERROR;
return SPSnoERROR;
}
@@ -45,17 +45,17 @@
//-----------------------------------------------------------------------------
// Get ready status value
-uint8_t sps30::getReadyStatus()
+uint8_t sps30::GetReadyStatus()
{
- i2cBuff[0] = SPS30_CMMD_GET_READY_STAT >> 8;
- i2cBuff[1] = SPS30_CMMD_GET_READY_STAT & 255;
- int res = _i2c.write(SPS30_I2C_ADDR, i2cBuff, 2, false);
+ i2cbuff[0] = SPS30_CMMD_GET_READY_STAT >> 8;
+ i2cbuff[1] = SPS30_CMMD_GET_READY_STAT & 255;
+ int res = _i2c.write(SPS30_I2C_ADDR, i2cbuff, 2, false);
if(res) return SPSnoAckERROR;
- _i2c.read(SPS30_I2C_ADDR | 1, i2cBuff, 3, false);
- uint16_t stat = (i2cBuff[0] << 8) | i2cBuff[1];
+ _i2c.read(SPS30_I2C_ADDR | 1, i2cbuff, 3, false);
+ uint16_t stat = (i2cbuff[0] << 8) | i2cbuff[1];
ready = stat;
- uint8_t dat = sps30::checkCrc2b(stat, i2cBuff[2]);
+ uint8_t dat = sps30::CheckCrc2b(stat, i2cbuff[2]);
if(dat == SPScrcERROR) return SPScrcERROR;
if(dat == SPSisReady) return SPSisReady;
@@ -65,128 +65,128 @@
//-----------------------------------------------------------------------------
// Get all the measurement values, stick them into the array
-uint8_t sps30::readMeasurement()
+uint8_t sps30::ReadMeasurement()
{
- i2cBuff[0] = SPS30_CMMD_READ_MEAS >> 8;
- i2cBuff[1] = SPS30_CMMD_READ_MEAS & 255;
- int res = _i2c.write(SPS30_I2C_ADDR, i2cBuff, 2, false);
+ i2cbuff[0] = SPS30_CMMD_READ_MEAS >> 8;
+ i2cbuff[1] = SPS30_CMMD_READ_MEAS & 255;
+ int res = _i2c.write(SPS30_I2C_ADDR, i2cbuff, 2, false);
if(res) return SPSnoAckERROR;
- _i2c.read(SPS30_I2C_ADDR | 1, i2cBuff, 60, false);
+ _i2c.read(SPS30_I2C_ADDR | 1, i2cbuff, 60, false);
- uint16_t stat = (i2cBuff[0] << 8) | i2cBuff[1];
+ uint16_t stat = (i2cbuff[0] << 8) | i2cbuff[1];
mass_1p0_m = stat;
- uint8_t dat = sps30::checkCrc2b(stat, i2cBuff[2]);
+ uint8_t dat = sps30::CheckCrc2b(stat, i2cbuff[2]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[3] << 8) | i2cBuff[4];
+ stat = (i2cbuff[3] << 8) | i2cbuff[4];
mass_1p0_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[5]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[5]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[6] << 8) | i2cBuff[7];
+ stat = (i2cbuff[6] << 8) | i2cbuff[7];
mass_2p5_m = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[8]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[8]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[9] << 8) | i2cBuff[10];
+ stat = (i2cbuff[9] << 8) | i2cbuff[10];
mass_2p5_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[11]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[11]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[12] << 8) | i2cBuff[13];
+ stat = (i2cbuff[12] << 8) | i2cbuff[13];
mass_4p0_m = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[14]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[14]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[15] << 8) | i2cBuff[16];
+ stat = (i2cbuff[15] << 8) | i2cbuff[16];
mass_4p0_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[17]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[17]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[18] << 8) | i2cBuff[19];
+ stat = (i2cbuff[18] << 8) | i2cbuff[19];
mass_10p0_m = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[20]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[20]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[21] << 8) | i2cBuff[22];
+ stat = (i2cbuff[21] << 8) | i2cbuff[22];
mass_10p0_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[23]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[23]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[24] << 8) | i2cBuff[25];
+ stat = (i2cbuff[24] << 8) | i2cbuff[25];
num_0p5_m = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[26]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[26]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[27] << 8) | i2cBuff[28];
+ stat = (i2cbuff[27] << 8) | i2cbuff[28];
num_0p5_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[29]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[29]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[30] << 8) | i2cBuff[31];
+ stat = (i2cbuff[30] << 8) | i2cbuff[31];
num_1p0_m = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[32]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[32]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[33] << 8) | i2cBuff[34];
+ stat = (i2cbuff[33] << 8) | i2cbuff[34];
num_1p0_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[35]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[35]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[36] << 8) | i2cBuff[37];
+ stat = (i2cbuff[36] << 8) | i2cbuff[37];
num_2p5_m = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[38]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[38]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[39] << 8) | i2cBuff[40];
+ stat = (i2cbuff[39] << 8) | i2cbuff[40];
num_2p5_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[41]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[41]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[42] << 8) | i2cBuff[43];
+ stat = (i2cbuff[42] << 8) | i2cbuff[43];
num_4p0_m = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[44]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[44]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[45] << 8) | i2cBuff[46];
+ stat = (i2cbuff[45] << 8) | i2cbuff[46];
num_4p0_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[47]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[47]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[48] << 8) | i2cBuff[49];
+ stat = (i2cbuff[48] << 8) | i2cbuff[49];
num_10p0_m = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[50]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[50]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[51] << 8) | i2cBuff[52];
+ stat = (i2cbuff[51] << 8) | i2cbuff[52];
num_10p0_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[53]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[53]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[54] << 8) | i2cBuff[55];
+ stat = (i2cbuff[54] << 8) | i2cbuff[55];
typ_pm_size_m = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[56]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[56]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[57] << 8) | i2cBuff[58];
+ stat = (i2cbuff[57] << 8) | i2cbuff[58];
typ_pm_size_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[59]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[59]);
if(dat == SPScrcERROR) return SPScrcERROR;
mass_1p0_i = (mass_1p0_m << 16) | mass_1p0_l;
@@ -221,7 +221,7 @@
//-----------------------------------------------------------------------------
// Calculate the CRC of a 2 byte value using the SPS30 CRC polynomial
-uint8_t sps30::calcCrc2b(uint16_t seed)
+uint8_t sps30::CalcCrc2b(uint16_t seed)
{
uint8_t bit; // bit mask
uint8_t crc = SPS30_CRC_INIT; // calculated checksum
@@ -248,34 +248,34 @@
//-----------------------------------------------------------------------------
// Compare the CRC values
-uint8_t sps30::checkCrc2b(uint16_t seed, uint8_t crcIn)
+uint8_t sps30::CheckCrc2b(uint16_t seed, uint8_t crc_in)
{
- uint8_t crcCalc = sps30::calcCrc2b(seed);
- if(crcCalc != crcIn) return SPScrcERROR;
+ uint8_t crc_calc = sps30::CalcCrc2b(seed);
+ if(crc_calc != crc_in) return SPScrcERROR;
return SPSnoERROR;
}
//-----------------------------------------------------------------------------
// Get article code
-uint8_t sps30::getArticleCode()
+uint8_t sps30::GetArticleCode()
{
- i2cBuff[0] = SPS30_CMMD_READ_ARTICLECODE >> 8;
- i2cBuff[1] = SPS30_CMMD_READ_ARTICLECODE & 255;
- int res = _i2c.write(SPS30_I2C_ADDR, i2cBuff, 2, false);
+ i2cbuff[0] = SPS30_CMMD_READ_ARTICLECODE >> 8;
+ i2cbuff[1] = SPS30_CMMD_READ_ARTICLECODE & 255;
+ int res = _i2c.write(SPS30_I2C_ADDR, i2cbuff, 2, false);
if(res) return SPSnoAckERROR;
int i = 0;
for(i = 0; i < sizeof(acode); i++) acode[i] = 0;
- for(i = 0; i < sizeof(i2cBuff); i++) i2cBuff[i] = 0;
+ for(i = 0; i < sizeof(i2cbuff); i++) i2cbuff[i] = 0;
- _i2c.read(SPS30_I2C_ADDR | 1, i2cBuff, SPS30_ACODE_SIZE, false);
+ _i2c.read(SPS30_I2C_ADDR | 1, i2cbuff, SPS30_ACODE_SIZE, false);
int t = 0;
for(i = 0; i < SPS30_ACODE_SIZE; i +=3) {
- uint16_t stat = (i2cBuff[i] << 8) | i2cBuff[i + 1];
+ uint16_t stat = (i2cbuff[i] << 8) | i2cbuff[i + 1];
acode[i - t] = stat >> 8;
acode[i - t + 1] = stat & 255;
- uint8_t dat = sps30::checkCrc2b(stat, i2cBuff[i + 2]);
+ uint8_t dat = sps30::CheckCrc2b(stat, i2cbuff[i + 2]);
t++;
if(dat == SPScrcERROR) return SPScrcERROR;
if(stat == 0) break;
@@ -287,24 +287,24 @@
//-----------------------------------------------------------------------------
// Get sps30 serial number
-uint8_t sps30::getSerialNumber()
+uint8_t sps30::GetSerialNumber()
{
- i2cBuff[0] = SPS30_CMMD_READ_SERIALNBR >> 8;
- i2cBuff[1] = SPS30_CMMD_READ_SERIALNBR & 255;
- int res = _i2c.write(SPS30_I2C_ADDR, i2cBuff, 2, false);
+ i2cbuff[0] = SPS30_CMMD_READ_SERIALNBR >> 8;
+ i2cbuff[1] = SPS30_CMMD_READ_SERIALNBR & 255;
+ int res = _i2c.write(SPS30_I2C_ADDR, i2cbuff, 2, false);
if(res) return SPSnoAckERROR;
int i = 0;
for(i = 0; i < sizeof(sn); i++) sn[i] = 0;
- for(i = 0; i < sizeof(i2cBuff); i++) i2cBuff[i] = 0;
+ for(i = 0; i < sizeof(i2cbuff); i++) i2cbuff[i] = 0;
- _i2c.read(SPS30_I2C_ADDR | 1, i2cBuff, SPS30_SN_SIZE, false);
+ _i2c.read(SPS30_I2C_ADDR | 1, i2cbuff, SPS30_SN_SIZE, false);
int t = 0;
for(i = 0; i < SPS30_SN_SIZE; i +=3) {
- uint16_t stat = (i2cBuff[i] << 8) | i2cBuff[i + 1];
+ uint16_t stat = (i2cbuff[i] << 8) | i2cbuff[i + 1];
sn[i - t] = stat >> 8;
sn[i - t + 1] = stat & 255;
- uint8_t dat = sps30::checkCrc2b(stat, i2cBuff[i + 2]);
+ uint8_t dat = sps30::CheckCrc2b(stat, i2cbuff[i + 2]);
t++;
if(dat == SPScrcERROR) return SPScrcERROR;
if(stat == 0) break;
@@ -316,24 +316,24 @@
//-----------------------------------------------------------------------------
// Read Auto Cleaning Interval on the SPS30
-uint8_t sps30::readAutoCleanInterval()
+uint8_t sps30::ReadAutoCleanInterval()
{
- i2cBuff[0] = SPS30_CMMD_AUTO_CLEAN_INTV >> 8;
- i2cBuff[1] = SPS30_CMMD_AUTO_CLEAN_INTV & 255;
+ i2cbuff[0] = SPS30_CMMD_AUTO_CLEAN_INTV >> 8;
+ i2cbuff[1] = SPS30_CMMD_AUTO_CLEAN_INTV & 255;
- int res = _i2c.write(SPS30_I2C_ADDR, i2cBuff, 2, false);
+ int res = _i2c.write(SPS30_I2C_ADDR, i2cbuff, 2, false);
if(res) return SPSnoAckERROR;
- _i2c.read(SPS30_I2C_ADDR | 1, i2cBuff, 6, false);
+ _i2c.read(SPS30_I2C_ADDR | 1, i2cbuff, 6, false);
- uint16_t stat = (i2cBuff[0] << 8) | i2cBuff[1];
+ uint16_t stat = (i2cbuff[0] << 8) | i2cbuff[1];
clean_interval_m = stat;
- uint8_t dat = sps30::checkCrc2b(stat, i2cBuff[2]);
+ uint8_t dat = sps30::CheckCrc2b(stat, i2cbuff[2]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[3] << 8) | i2cBuff[4];
+ stat = (i2cbuff[3] << 8) | i2cbuff[4];
clean_interval_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[5]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[5]);
if(dat == SPScrcERROR) return SPScrcERROR;
clean_interval_i = (clean_interval_m << 16) | clean_interval_l;
@@ -344,35 +344,35 @@
//-----------------------------------------------------------------------------
// Set Auto Cleaning Interval on the SPS30
-uint8_t sps30::setAutoCleanInterval(uint32_t set_interval)
+uint8_t sps30::SetAutoCleanInterval(uint32_t set_interval)
{
uint16_t set_interval_m = set_interval >> 16;
uint16_t set_interval_l = set_interval & 65535;
- i2cBuff[0] = SPS30_CMMD_AUTO_CLEAN_INTV >> 8;
- i2cBuff[1] = SPS30_CMMD_AUTO_CLEAN_INTV & 255;
+ i2cbuff[0] = SPS30_CMMD_AUTO_CLEAN_INTV >> 8;
+ i2cbuff[1] = SPS30_CMMD_AUTO_CLEAN_INTV & 255;
- i2cBuff[2] = set_interval_m >> 8;
- i2cBuff[3] = set_interval_m & 255;
- i2cBuff[4] = sps30::calcCrc2b(set_interval_m);
+ i2cbuff[2] = set_interval_m >> 8;
+ i2cbuff[3] = set_interval_m & 255;
+ i2cbuff[4] = sps30::CalcCrc2b(set_interval_m);
- i2cBuff[5] = set_interval_l >> 8;
- i2cBuff[6] = set_interval_l & 255;
- i2cBuff[7] = sps30::calcCrc2b(set_interval_l);
+ i2cbuff[5] = set_interval_l >> 8;
+ i2cbuff[6] = set_interval_l & 255;
+ i2cbuff[7] = sps30::CalcCrc2b(set_interval_l);
- int res = _i2c.write(SPS30_I2C_ADDR, i2cBuff, 8, false);
+ int res = _i2c.write(SPS30_I2C_ADDR, i2cbuff, 8, false);
if(res) return SPSnoAckERROR;
- _i2c.read(SPS30_I2C_ADDR | 1, i2cBuff, 6, false);
+ _i2c.read(SPS30_I2C_ADDR | 1, i2cbuff, 6, false);
- uint16_t stat = (i2cBuff[0] << 8) | i2cBuff[1];
+ uint16_t stat = (i2cbuff[0] << 8) | i2cbuff[1];
clean_interval_m = stat;
- uint8_t dat = sps30::checkCrc2b(stat, i2cBuff[2]);
+ uint8_t dat = sps30::CheckCrc2b(stat, i2cbuff[2]);
if(dat == SPScrcERROR) return SPScrcERROR;
- stat = (i2cBuff[3] << 8) | i2cBuff[4];
+ stat = (i2cbuff[3] << 8) | i2cbuff[4];
clean_interval_l = stat;
- dat = sps30::checkCrc2b(stat, i2cBuff[5]);
+ dat = sps30::CheckCrc2b(stat, i2cbuff[5]);
if(dat == SPScrcERROR) return SPScrcERROR;
clean_interval_i = (clean_interval_m << 16) | clean_interval_l;
@@ -383,11 +383,11 @@
//-----------------------------------------------------------------------------
// Perform manual fan cleaning
-uint8_t sps30::startFanClean()
+uint8_t sps30::StartFanClean()
{
- i2cBuff[0] = SPS30_CMMD_START_FAN_CLEAN >> 8;
- i2cBuff[1] = SPS30_CMMD_START_FAN_CLEAN & 255;
- int res = _i2c.write(SPS30_I2C_ADDR, i2cBuff, 2, false);
+ i2cbuff[0] = SPS30_CMMD_START_FAN_CLEAN >> 8;
+ i2cbuff[1] = SPS30_CMMD_START_FAN_CLEAN & 255;
+ int res = _i2c.write(SPS30_I2C_ADDR, i2cbuff, 2, false);
if(res) return SPSnoAckERROR;
return SPSnoERROR;
}
@@ -395,11 +395,11 @@
//-----------------------------------------------------------------------------
// Perform a soft reset on the SPS30
-uint8_t sps30::softReset()
+uint8_t sps30::SoftReset()
{
- i2cBuff[0] = SPS30_CMMD_SOFT_RESET >> 8;
- i2cBuff[1] = SPS30_CMMD_SOFT_RESET & 255;
- int res = _i2c.write(SPS30_I2C_ADDR, i2cBuff, 2, false);
+ i2cbuff[0] = SPS30_CMMD_SOFT_RESET >> 8;
+ i2cbuff[1] = SPS30_CMMD_SOFT_RESET & 255;
+ int res = _i2c.write(SPS30_I2C_ADDR, i2cbuff, 2, false);
if(res) return SPSnoAckERROR;
return SPSnoERROR;
}
\ No newline at end of file