打印

求助,GD32330的片子,注入通道AD采集

[复制链接]
978|2
手机看帖
扫描二维码
随时随地手机跟帖
跳转到指定楼层
楼主
qdb33b|  楼主 | 2019-4-18 13:46 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
我照着库里给的历程把timer1-ch0改成timer2-ch3就可以,但是改成timer0-ch0就不行了,高级定时器配置有什么不一样吗

原带的配置:
void timer_config(void)
{
    timer_oc_parameter_struct timer_ocintpara;
    timer_parameter_struct timer_initpara;

    /* TIMER1 configuration */
    timer_initpara.prescaler         = 8399;
    timer_initpara.alignedmode       = TIMER_COUNTER_EDGE;
    timer_initpara.counterdirection  = TIMER_COUNTER_UP;
    timer_initpara.period            = 9999;
    timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
    timer_initpara.repetitioncounter = 0;
    timer_init(TIMER1,&timer_initpara);

    /* CH0 configuration in PWM mode1 */
    timer_ocintpara.ocpolarity  = TIMER_OC_POLARITY_HIGH;
    timer_ocintpara.outputstate = TIMER_CCX_ENABLE;
    timer_channel_output_config(TIMER1, TIMER_CH_0, &timer_ocintpara);

    timer_channel_output_pulse_value_config(TIMER1, TIMER_CH_0, 3999);
    timer_channel_output_mode_config(TIMER1, TIMER_CH_0, TIMER_OC_MODE_PWM1);
    timer_channel_output_shadow_config(TIMER1, TIMER_CH_0, TIMER_OC_SHADOW_DISABLE);
}

改后的配置:
void timer_config(void)
{
    timer_oc_parameter_struct timer_ocintpara;
    timer_parameter_struct timer_initpara;

    timer_deinit(TIMER0);
   
    /* TIMER1 configuration */
    timer_initpara.prescaler         = 8399;
    timer_initpara.alignedmode       = TIMER_COUNTER_EDGE;
    timer_initpara.counterdirection  = TIMER_COUNTER_UP;
    timer_initpara.period            = 9999;
    timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
    timer_initpara.repetitioncounter = 0;
    timer_init(TIMER0,&timer_initpara);

    /* CH0 configuration in PWM mode1 */
    timer_ocintpara.ocpolarity  = TIMER_OC_POLARITY_HIGH;
    timer_ocintpara.outputstate = TIMER_CCX_ENABLE;
    timer_channel_output_config(TIMER0, TIMER_CH_3, &timer_ocintpara);

    timer_channel_output_pulse_value_config(TIMER0, TIMER_CH_3, 3999);
    timer_channel_output_mode_config(TIMER0, TIMER_CH_3, TIMER_OC_MODE_TIMING);
    timer_channel_output_shadow_config(TIMER0, TIMER_CH_3, TIMER_OC_SHADOW_ENABLE);
}

使用特权

评论回复
沙发
q11726| | 2019-4-19 09:00 | 只看该作者
因为timer0-ch0是规则组的触发通道
请注意看F3X0的用户手册P161哦

使用特权

评论回复
发新帖 我要提问
您需要登录后才可以回帖 登录 | 注册

本版积分规则

2

主题

3

帖子

0

粉丝