Class HttpClient
PMS3003 Class
Description
Defines a class to work with PMS3003 air quality sensor on Ameba.
Syntax
class PMS3003
Members
Public Constructors |
|
|---|---|
PMS3003::PMS3003 |
Constructs a PMS3003 object |
Public Methods |
|
PMS3003::begin |
Initialize hardware UART |
PMS3003::end |
Free allocated space thus stopping UART |
PMS3003::get_pm1p0_cf1 |
Get PM1.0 under correction factor = 1 |
PMS3003:: get_pm2p5_cf1 |
Get PM2.5 under correction factor = 1 |
PMS3003:: get_pm10_cf1 |
Get PM10 under correction factor = 1 |
PMS3003:: get_pm1p0_air |
Get PM1.0 air quality |
PMS3003:: get_pm2p5_air |
Get PM2.5 air quality |
PMS3003:: get_pm10_air |
Get PM10 air quality |
PMS3003:update_cache |
Updates the cache memory |
PMS3003::pms3003_handle_interrupt |
Set up the serial event handler |
PMS3003::PMS3003
Description
Constructs a PMS3003 object and initialize the pin mapping.
Syntax
PMS3003::PMS3003(int _rx, int _tx, int _set, int _reset)
Parameters
_rx: RX pin of UART
_tx: TX pin of UART
_set: Set pin
_reset: Reset pin
Returns
The function returns nothing.
Example Code
NA
Notes and Warnings
NA
PMS3003::begin
Description
Initialize hardware UART and allocate space for serial buffer
Syntax
void PMS3003::begin(void)
Parameters
The function requires no input parameter.
Returns
The function returns nothing.
Example Code
NA
Notes and Warnings
NA
PMS3003::end
Description
Free serial buffer space and stop UART
Syntax
void PMS3003::end(void)
Parameters
The function requires no input parameter.
Returns
The function returns nothing.
Example Code
NA
Notes and Warnings
NA
PMS3003::get_pm1p0_cf1
Description
Get PM1.0 under correction factor = 1
Syntax
int PMS3003::get_pm1p0_cf1(void)
Parameters
The function requires no input parameter.
Returns
The function returns the value “pm1p0_cf1” as an integer.
Example Code
NA
Notes and Warnings
NA
PMS3003::get_pm2p5_cf1
Description
Get PM2.5 under correction factor = 1
Syntax
int PMS3003::get_pm2p5_cf1(void)
Parameters
The function requires no input parameter.
Returns
The function returns the value of “pm2p5_cf1” as an integer.
Example Code
NA
Notes and Warnings
NA
PMS3003::get_pm10_cf1
Description
Get PM10 under correction factor = 1
Syntax
int PMS3003::get_pm10_cf1(void)
Parameters
The function requires no input parameter.
Returns
The function returns the value of “pm10_cf1” as an integer.
Example Code
NA
Notes and Warnings
NA
PMS3003::get_pm1p0_air
Description
Get PM1.0 air quality
Syntax
int PMS3003::get_pm1p0_air(void)
Parameters
The function requires no input parameter.
Returns
The function returns the value of “pm1p0_air” as an integer.
Example Code
NA
Notes and Warnings
NA
PMS3003::get_pm2p5_air
Description
Get PM2.5 air quality
Syntax
int PMS3003::get_pm2p5_air(void)
Parameters
The function requires no input parameter.
Returns
The function returns the value of “pm2p5_air” as an integer.
Example Code
NA
Notes and Warnings
NA
PMS3003::get_pm10_air
Description
Get PM10 air quality
Syntax
int PMS3003::get_pm10_air(void)
Parameters
The function requires no input parameter.
Returns
The function returns the value of “pm10_air” as an integer.
Example Code
NA
Notes and Warnings
NA
PMS3003::pms3003_handle_interrupt
Description
Set up the serial event handler
Syntax
void pms3003_handle_interrupt(uint32_t id, uint32_t event)
Parameters
id: device identifier
event: Serial event for handling incoming data
Returns
The function returns nothing.
Example Code
NA
Notes and Warnings
NA
PMS3003::update_cache
Description
Serves the function of updating cache memory. One package has 32
bytes. Illustrate the formate by using below raw data: 42 4d 00 1c 00
1b 00 21 00 29 00 1a 00 21 00 29 2b fb 04 be 00 6b 00 10 00 04 00 04
67 00 04 46
42 4d : header signature
00 1c : frame length, 0x001c = 28 bytes (not include header and this
field)
00 1b : PM1.0 under CF=1
00 21 : PM2.5 under CF=1
00 29 : PM10 under CF=1
00 1a : PM1.0 under air
00 21 : PM2.5 under air
00 29 : PM10 under air
2b fb : number of pariticle, diameter size 0.3 um in 0.1 liter air
04 be : number of pariticle, diameter size 0.5 um in 0.1 liter air
00 6b : number of pariticle, diameter size 1.0 um in 0.1 liter air
00 10 : number of pariticle, diameter size 2.5 um in 0.1 liter air
00 04 : number of pariticle, diameter size 5.0 um in 0.1 liter air
00 04 : number of pariticle, diameter size 10 um in 0.1 liter air
67 : serial number
00 : error code
04 46 :
checksum,0x42+0x4d+0x00+0x1c+0x00+0x1b+0x00+0x21+0x00+0x29+0x00+0x1a+0x00+0x21+0x00+0x29+
0x2b+0xfb+0x04+0xbe+0x00+0x6b+0x00+0x10+0x00+0x04+0x00+0x04+0x67+0x00
= 0x0446
Syntax
void PMS3003::update_cache(void)
Parameters
The function requires no input parameters.
Returns
The function returns nothing.
Example Code
NA
Notes and Warnings
NA