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Add sleep() and wake() #15

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Merged
merged 2 commits into from
Nov 19, 2020
Merged

Add sleep() and wake() #15

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f83ad98
Add sleep() and wake()
fmatray Nov 19, 2020
b1d51ba
format correction
fmatray Nov 19, 2020
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15 changes: 13 additions & 2 deletions src/PMserial.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -58,8 +58,8 @@ const uint8_t
const uint8_t
msgLen = 7,
//act[msgLen] = {0x42,0x4D,0xE1,0x00,0x01,0x01,0x71}, // set active mode
//slp[msgLen] = {0x42,0x4D,0xE4,0x00,0x00,0x01,0x73}, // sleep
//wak[msgLen] = {0x42,0x4D,0xE4,0x00,0x01,0x01,0x74}, // wake
slp[msgLen] = {0x42,0x4D,0xE4,0x00,0x00,0x01,0x73}, // sleep
wak[msgLen] = {0x42,0x4D,0xE4,0x00,0x01,0x01,0x74}, // wake
cfg[msgLen] = {0x42, 0x4D, 0xE1, 0x00, 0x00, 0x01, 0x70}, // set passive mode
trg[msgLen] = {0x42, 0x4D, 0xE2, 0x00, 0x00, 0x01, 0x71}; // passive mode read

Expand Down Expand Up @@ -94,6 +94,17 @@ void SerialPM::init()
}
}

void SerialPM::sleep() {
uart->write(slp, msgLen); // sleep mode
uart->flush();
delay(max_wait_ms * 2);
}
void SerialPM::wake() {
uart->write(wak, msgLen); // wake mode
uart->flush();
delay(max_wait_ms * 2);
}

SerialPM::STATUS SerialPM::trigRead()
{
while (uart->available())
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2 changes: 2 additions & 0 deletions src/PMserial.h
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Original file line number Diff line number Diff line change
Expand Up @@ -122,6 +122,8 @@ class SerialPM
STATUS status;
STATUS read(bool tsi_mode = false, bool truncated_num = false);
operator bool() { return status == OK; }
void sleep();
void wake();
inline bool has_particulate_matter() { return status == OK; }
inline bool has_number_concentration() { return (status == OK) && (pms != PMS3003); }
inline bool has_temperature_humidity() { return (status == OK) && ((pms == PMS5003T) || (pms == PMS5003ST)); }
Expand Down