Merge pull request #36 from ab-tools/master

Blocking Operation of Single Shot Measurement Now Optional
Sensirion · Jul 23, 2024 · 229d854 · 229d854
2 parents c02b6bd + 1bbaf9c
commit 229d854
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Showing 2 changed files with 9 additions and 3 deletions.
diff --git a/src/SensirionI2CScd4x.cpp b/src/SensirionI2CScd4x.cpp
@@ -588,7 +588,7 @@ uint16_t SensirionI2CScd4x::reinit() {
     return error;
 }
 
-uint16_t SensirionI2CScd4x::measureSingleShot() {
+uint16_t SensirionI2CScd4x::measureSingleShot(bool blocking) {
     uint16_t error;
     uint8_t buffer[2];
     SensirionI2CTxFrame txFrame(buffer, 2);
@@ -600,7 +600,11 @@ uint16_t SensirionI2CScd4x::measureSingleShot() {
 
     error = SensirionI2CCommunication::sendFrame(SCD4X_I2C_ADDRESS, txFrame,
                                                  *_i2cBus);
-    delay(5000);
+
+    if (blocking) {
+        delay(5000);
+    }
+
     return error;
 }
 

diff --git a/src/SensirionI2CScd4x.h b/src/SensirionI2CScd4x.h
@@ -400,11 +400,13 @@ class SensirionI2CScd4x {
      * relative humidity and temperature. The sensor output is read with the
      * read_measurement command.
      *
+     * @param blocking Delay for 5 seconds till on-demand measurement is available
+     *
      * @note Only available in idle mode.
      *
      * @return 0 on success, an error code otherwise
      */
-    uint16_t measureSingleShot(void);
+    uint16_t measureSingleShot(bool blocking = true);
 
     /**
      * measureSingleShotRhtOnly() - On-demand measurement of relative humidity