%绘图，被StepMotor_xxx.m调用。计算出结果后才能运行。
if strcmp(ini.FigureDrawMode, 'hold')
    h = gcf();
else
    h=figure;
end

%选择当前plot颜色
StyleId = mod(FigureCnt,length(ini.PlotStyle)/2)+1;
FigureCnt = FigureCnt+1;
PlotStyle = ini.PlotStyle(StyleId*2-1: StyleId*2);
dAccStr{FigureCnt}=sprintf('%.2fHz/ms2',dAcc);
subplot(3,1,1);
stairs(A(1:Cnt, T_SUM),A(1:Cnt,FREQ),PlotStyle); %速度曲线
xlabel('时间(ms)'); 
ylabel('频率(Hz)');
xlim([0 SpeedUpTime+StepTime*2]);%多次绘图的xlim以最后一个为准
grid on;
hold on;

subplot(3,1,2);
stairs(A(1:Cnt, T_SUM)-StepTime,A(1:Cnt,ACC),PlotStyle); %加速度曲线
xlabel('时间(ms)'); 
ylabel('加速度(Hz/ms)');
xlim([0 SpeedUpTime+StepTime*2]);
legend(dAccStr);

grid on;
hold on;

subplot(3,1,3);
stairs(A(1:Cnt, T_SUM),A(1:Cnt,STEP_SUM)*StepLen,PlotStyle); %距离曲线
xlabel('时间(ms)'); 
ylabel('距离(mm)');
xlim([0 SpeedUpTime+StepTime*2]);
grid on;
hold on;