Diff: MAX44009.cpp

Revision:

3:b3745ae13d09

Parent:

2:7aa4718b2e2b

Child:

4:1799f106738d

diff -r 7aa4718b2e2b -r b3745ae13d09 MAX44009.cpp
--- a/MAX44009.cpp	Tue Feb 13 00:54:47 2018 +0200
+++ b/MAX44009.cpp	Mon Feb 19 18:35:44 2018 +0200
@@ -71,16 +71,15 @@
 void MAX44009::setIntEnable(bool Enable) {
     char cmd[2];
     cmd[0] = INT_ENABLE;
-    cmd[1] = 0x00 | Enable;
+    cmd[1] = (char) 0x00 | Enable;
     _i2c->write(_addr, cmd, 2);
 }
 
 /**
  * Get raw reading over I2C
- * @return the reading buffer
+ * @param buff raw reading buffer
  */
-char *MAX44009::getRawReading() {
-    char buff[2];
+void MAX44009::getRawReading(char buff[2]) {
     char cmd[2];
 
     cmd[0] = LUX_HIGH_B;
@@ -90,15 +89,15 @@
     _i2c->read(_addr + 1, &buff[0], 1, true);
     _i2c->write(_addr, &cmd[1], 1, true);
     _i2c->read(_addr + 1, &buff[1], 1);
-
-    return buff;
 }
 
 /**
  * Get LUX reading from ADC
  */
 double MAX44009::getLUXReading() {
-    char *buff = getRawReading();
+    char buff[2];
+
+    this->getRawReading(buff);
     return this->getLuxFromBuffReading(buff);
 }