Read size bin counts for PMS5003 sensor

This commit is contained in:
Peter Sjodin 2017-08-24 16:32:17 +02:00
parent 2e593ca6e4
commit 0e9b67c9db
4 changed files with 76 additions and 2 deletions

View File

@ -65,6 +65,18 @@ value(int type)
return pms5003_pm2_5_atm();
case PMS5003_SENSOR_PM10_ATM:
return pms5003_pm10_atm();
case PMS5003_SENSOR_DB0_3:
return pms5003_db0_3();
case PMS5003_SENSOR_DB0_5:
return pms5003_db0_5();
case PMS5003_SENSOR_DB1:
return pms5003_db1();
case PMS5003_SENSOR_DB2_5:
return pms5003_db2_5();
case PMS5003_SENSOR_DB5:
return pms5003_db5();
case PMS5003_SENSOR_DB10:
return pms5003_db10();
case PMS5003_SENSOR_TIMESTAMP:
return pms5003_timestamp();
}

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@ -47,6 +47,12 @@ extern const struct sensors_sensor pms5003_sensor;
#define PMS5003_SENSOR_PM1_ATM 3
#define PMS5003_SENSOR_PM2_5_ATM 4
#define PMS5003_SENSOR_PM10_ATM 5
#define PMS5003_SENSOR_TIMESTAMP 6
#define PMS5003_SENSOR_DB0_3 6
#define PMS5003_SENSOR_DB0_5 7
#define PMS5003_SENSOR_DB1 8
#define PMS5003_SENSOR_DB2_5 9
#define PMS5003_SENSOR_DB5 10
#define PMS5003_SENSOR_DB10 11
#define PMS5003_SENSOR_TIMESTAMP 12
#endif /* PMS5003_SENSOR_H_ */

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@ -75,6 +75,7 @@ static unsigned long when_mode;
/* Last readings of sensor data */
static uint16_t PM1, PM2_5, PM10;
static uint16_t PM1_ATM, PM2_5_ATM, PM10_ATM;
static uint16_t DB0_3, DB0_5, DB1, DB2_5, DB5, DB10;
/* Time when last sensor data was read, in clock_seconds()*/
static unsigned long timestamp = 0;
@ -161,6 +162,36 @@ pms5003_pm10_atm()
{
return PM10_ATM;
}
uint16_t
pms5003_db0_3()
{
return DB0_3;
}
uint16_t
pms5003_db0_5()
{
return DB0_5;
}
uint16_t
pms5003_db1()
{
return DB1;
}
uint16_t
pms5003_db2_5()
{
return DB2_5;
}
uint16_t
pms5003_db5()
{
return DB5;
}
uint16_t
pms5003_db10()
{
return DB10;
}
uint32_t
pms5003_timestamp()
{
@ -215,6 +246,8 @@ printpm()
printf("PM1 = %04d, PM2.5 = %04d, PM10 = %04d\n", PM1, PM2_5, PM10);
printf("PM1_ATM = %04d, PM2.5_ATM = %04d, PM10_ATM = %04d\n",
PM1_ATM, PM2_5_ATM, PM10_ATM);
printf(" DB0_3 = %04d, DB0_5 = %04d, DB1 = %04d, DB2_5 = %04d, DB5 = %04d, DB10 = %04d\n",
DB0_3, DB0_5, DB1, DB2_5, DB5, DB10);
}
#endif /* DEBUG */
/*---------------------------------------------------------------------------*/
@ -226,6 +259,8 @@ static int
pmsframe(uint8_t *buf)
{
int len;
if(check_pmsframe(buf)) {
timestamp = clock_seconds();
valid_frames++;
@ -236,6 +271,21 @@ pmsframe(uint8_t *buf)
PM1_ATM = (buf[10] << 8) | buf[11];
PM2_5_ATM = (buf[12] << 8) | buf[13];
PM10_ATM = (buf[14] << 8) | buf[15];
/* Not all Plantower sensors report dust size bins.
* PMS3003 (frame length 20) doesn't.
* PMS5003 (frame length 28) does.
* Use length field to detect if the frame has size bins.
*/
len = (buf[2] << 8) + buf[3];
if(len == 28) {
DB0_3 = (buf[16] << 8) | buf[17];
DB0_5 = (buf[18] << 8) | buf[19];
DB1 = (buf[20] << 8) | buf[21];
DB2_5 = (buf[22] << 8) | buf[23];
DB5 = (buf[24] << 8) | buf[25];
DB10 = (buf[26] << 8) | buf[27];
}
#ifdef DEBUG
printpm();
#endif /* DEBUG */

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@ -101,6 +101,12 @@ uint16_t pms5003_pm10();
uint16_t pms5003_pm1_atm();
uint16_t pms5003_pm2_5_atm();
uint16_t pms5003_pm10_atm();
uint16_t pms5003_db0_3();
uint16_t pms5003_db0_5();
uint16_t pms5003_db1();
uint16_t pms5003_db2_5();
uint16_t pms5003_db5();
uint16_t pms5003_db10();
uint32_t pms5003_timestamp();
#endif /* PMS5003_H */