autohold 需要等速度归零后再开始计时

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

Applications/foc/motor/motor.c

@@ -1216,7 +1216,7 @@ static void mc_autohold_process(void) {
 			mc_auto_hold(false);
 		}
 	}
-	if (!PMSM_FOC_AutoHoldding() && motor.b_break && (motor_encoder_get_speed() < CONFIG_ZERO_SPEED_RPM)) {
+	if (!PMSM_FOC_AutoHoldding() && motor.b_break && (motor_encoder_get_speed() == 0)) {
 		if (motor.n_autohold_time == 0) {
 			motor.n_autohold_time = get_tick_ms();
 		}else {