充放电电流正负反处理

Signed-off-by: huhui <huhui@sharkgulf.com>

Application/bsp/ml5238.h

@@ -67,6 +67,6 @@ int ml5238_write(uint8_t regaddr, uint8_t data);
 #define ML5238_GAIN(vim0, vim1, vr) ((vim1-vim0)/vr)
 
 //r_v :real voltage, gain == ML5238_GAIN
-#define ML5238_V_RSENSER(r_v, vim0, gain) ((r_v-vim0)/gain)
+#define ML5238_V_RSENSER(r_v, vim0, gain) ((vim0 - r_v)/gain)
 #endif /* _ML5238_H__ */