li lei
sf
Diff: batter.cpp
- Revision:
- 0:e1658d625afc
diff -r 000000000000 -r e1658d625afc batter.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/batter.cpp Tue Sep 27 09:41:52 2016 +0000
@@ -0,0 +1,29 @@
+#include "batter.h"
+
+//batter
+AnalogIn batter_volt(PA_3);
+DigitalOut batter_free(PB_5);
+
+BatterVol::BatterVol()
+{
+
+ batter_free=1;
+}
+
+unsigned short BatterVol::detect(void)
+{
+ float batval;
+ unsigned short bata;
+
+ batter_free=0;
+ wait(5);
+ batter_free=1;
+ wait(3);
+
+ batval=batter_volt.read();
+ batval*=4.17; //3*7.1/5.1
+
+ bata=(unsigned short)(batval*100);
+
+ return bata;
+}