add ibus offset logout

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

Applications/foc/motor/motor.c

@@ -53,7 +53,9 @@ static void MC_Check_MosVbusThrottle(void) {
 		ibus_adc += adc_get_ibus();
 	}
 	if (!_ibus_offset) {
-		sample_ibus_offset(ibus_adc/1000.0f);
+		u16 offset = ((float)ibus_adc)/1000.0f;
+		sys_debug("ibus offset %d\n", offset);
+		sample_ibus_offset(offset);
 		_ibus_offset = true;
 	}
 	gpio_phase_u_detect(false);