Integer overflow issue fixed in "calc_pressure" API

README.md

@@ -7,9 +7,9 @@ The sensor driver package includes bme680.h, bme680.c and bme680_defs.h files
 ## Version
 File          | Version | Date
 --------------|---------|-------------
-bme680.c      |  3.5.6	| 19 Jan 2018
-bme680.h      |  3.5.6	| 19 Jan 2018
-bme680_defs.h |  3.5.6	| 19 Jan 2018  
+bme680.c      |  3.5.7	| 05 Feb 2018
+bme680.h      |  3.5.7	| 05 Feb 2018
+bme680_defs.h |  3.5.7	| 05 Feb 2018  
 
 ## Integration details
 * Integrate bme680.h, bme680_defs.h and bme680.c file in to your project.

bme680.c

@@ -40,8 +40,8 @@
  * patent rights of the copyright holder.
  *
  * File		bme680.c
- * @date	19 Jan 2018
- * @version	3.5.6
+ * @date	05 Feb 2018
+ * @version	3.5.7
  *
  */
 
@@ -924,7 +924,7 @@ static uint32_t calc_pressure(uint32_t pres_adc, const struct bme680_dev *dev)
 	var1 = ((32768 + var1) * (int32_t)dev->calib.par_p1) >> 15;
 	pressure_comp = 1048576 - pres_adc;
 	pressure_comp = (int32_t)((pressure_comp - (var2 >> 12)) * ((uint32_t)3125));
-	var4 = (INT32_C(1) << 31);
+	var4 = (int32_t)(((uint32_t)1) << 31);
 	if (pressure_comp >= var4)
 		pressure_comp = ((pressure_comp / (uint32_t)var1) << 1);
 	else

bme680.h

@@ -40,8 +40,8 @@
  * patent rights of the copyright holder.
  *
  * @file	bme680.h
- * @date	19 Jan 2018
- * @version	3.5.6
+ * @date	05 Feb 2018
+ * @version	3.5.7
  * @brief
  *
  */

bme680_defs.h

@@ -40,8 +40,8 @@
  * patent rights of the copyright holder.
  *
  * @file	bme680_defs.h
- * @date	19 Jan 2018
- * @version	3.5.6
+ * @date	05 Feb 2018
+ * @version	3.5.7
  * @brief
  *
  */

changelog.md

@@ -1,6 +1,10 @@
 # Change Log
 All notable changes to the BME680 Sensor API will be documented in this file.
 
+## v3.5.7, 05 Feb 2018
+### Fixed
+ - Integer overflow issue fixed in "calc_pressure" API
+
 ## v3.5.6, 19 Jan 2018
 ### Added
  - Floating point support added for the API