Use exprtk expression parser
Using expression parser tool exprtk to calculate sensor value
from given expression from config file.
Signed-off-by: Vijay Khemka <vijaykhemka@fb.com>
Change-Id: Ie765748374a2c7a82ab9689b57c63fce7b015364
diff --git a/subprojects/exprtk.wrap b/subprojects/exprtk.wrap
new file mode 100644
index 0000000..4143d1f
--- /dev/null
+++ b/subprojects/exprtk.wrap
@@ -0,0 +1,3 @@
+[wrap-git]
+revision = 281c2ccc65b8f91c012ea3725ebcef406378a225
+url = https://github.com/ArashPartow/exprtk.git