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Revision 1:4be4b811b40e, committed 2022-01-03
- Comitter:
- rollman
- Date:
- Mon Jan 03 02:41:25 2022 +0000
- Parent:
- 0:fcddd87b788e
- Commit message:
- initial commit;
Changed in this revision
diff -r fcddd87b788e -r 4be4b811b40e CCS811.lib --- a/CCS811.lib Thu Mar 05 08:27:47 2020 +0000 +++ b/CCS811.lib Mon Jan 03 02:41:25 2022 +0000 @@ -1,1 +1,1 @@ -https://os.mbed.com/teams/MtM/code/CCS811/#ec392b3a49f2 +https://os.mbed.com/users/rollman/code/CCS811/#423f2830684e
diff -r fcddd87b788e -r 4be4b811b40e DHT.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DHT.lib Mon Jan 03 02:41:25 2022 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/teams/components/code/DHT/#6937e130feca
diff -r fcddd87b788e -r 4be4b811b40e main.cpp
--- a/main.cpp Thu Mar 05 08:27:47 2020 +0000
+++ b/main.cpp Mon Jan 03 02:41:25 2022 +0000
@@ -1,11 +1,16 @@
#include "mbed.h"
#include "CCS811.h"
+#include "DHT.h"
+eType partname = DHT11;
+eScale tmp_fmt = CELCIUS;
+Serial m_pc(USBTX, USBRX);
int main() {
- Serial m_pc(USBTX, USBRX);
m_pc.baud(9600);
+ DHT dht(p26, partname);
+
I2C i2c_ccs811(p28, p27);
// i2c_ccs811.frequency(100000);
CCS811 ccs(i2c_ccs811, m_pc);
@@ -26,9 +31,22 @@
uint16_t co2, tvoc;
while(1) {
+ wait(3);
+ int dhtres;
+ if ((dhtres = dht.readData()) != 0){
+ m_pc.printf("ERROR when reading DHT11: %d\r\n", dhtres);
+ continue;
+ }
+ float celsius = dht.ReadTemperature(tmp_fmt);
+ float humidity = dht.ReadHumidity();
+ m_pc.printf("DEBUG: celsius = %f, humidity = %f\r\n", celsius, humidity);
+ ccs.setEnvironment(celsius, humidity);
while(!ccs.readStatus() & 0x08); // wait for DATA_READY
- ccs.readData(&co2, &tvoc);
+ int err;
+ if((err = ccs.readData(&co2, &tvoc)) != 0){
+ printerr(m_pc, err);
+ continue;
+ }
m_pc.printf("%d %d\r\n", co2, tvoc);
- wait(0.5);
}
}