基于GD32F350的BLDC调速系统

lsj306

基于GD32F350的BLDC调速系统 [复制链接]

       这个月特别忙没有很多剩余时间来好好调试这块GD32F350板了，这是第一次接触GD的单片机，很多地方都较生疏，所以花了两天时间扫盲，比如修改时钟源，板子例程里默认使用了外部晶振，但是实际板子并未带有外部晶振，只能使用芯片内部自带8M晶振，需对软件进行修改；又如输出3相PWM，本来已经能正常输出PWM波形了，可是过了一段时间同样的程序又不能输出PWM波形，经过反复对比，发现把固件程序里的BKIN引脚给修改了功能，费了不少时间。言归正传，拿到的GD32F350板结构上比较简单没有把片上资源搭起来，不过本次只需要用到板上TIMER，USART,GPIO外设引脚，加上手头上已有的BLDC电机以及功率驱动板就可以搭起来一个完整的系统了。  

    系统的工作原理大致为：上电后，功率驱动板驱动电机以默认速度转动，GD32F350板使用USART接收上位机（以串口助手代替）的速度指令，将该指令转换为对应的速度驱动电机转动，并依据读取的霍尔值实现换相。

根据hall值换相输出PWM

void TIMER0_BRK_UP_TRG_COM_IRQHandler(void)

{

       

timer_interrupt_flag_clear(TIMER0, TIMER_INT_FLAG_CMT);

       

       

    switch(step){

    /* next step: step 2 configuration .V-W` breakover---------------------------- */

    case 1:

        /*  channel0 configuration */

        timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_DISABLE);

        /*  channel1 configuration */

        timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_OC_MODE_PWM0);

                                timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_ENABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_DISABLE);

        /*  channel2 configuration */

        timer_channel_output_mode_config(TIMER0,TIMER_CH_2,TIMER_OC_MODE_PWM1);

        timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_ENABLE);

        break;

    /* next step: step 3 configuration .U'-V breakover---------------------------- */

               

    case 2:

        /*  channel0 configuration */

                                timer_channel_output_mode_config(TIMER0,TIMER_CH_0,TIMER_OC_MODE_PWM1);

        timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_ENABLE);

        /*  channel1 configuration */

        timer_channel_output_mode_config(TIMER0,TIMER_CH_1,TIMER_OC_MODE_PWM0);

        timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_ENABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_DISABLE);

        /*  channel2 configuration */

        timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_DISABLE);

       

               

        break;

    /* next step: step 4 configuration .U'-W breakover---------------------------- */

    case 3:

        /*  channel0 configuration */

        timer_channel_output_mode_config(TIMER0,TIMER_CH_0,TIMER_OC_MODE_PWM1);

        timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_ENABLE);

        /*  channel1 configuration */

        timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_DISABLE);

        /*  channel2 configuration */

                                timer_channel_output_mode_config(TIMER0,TIMER_CH_2,TIMER_OC_MODE_PWM0);

        timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_ENABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_DISABLE);

                               

        break;

    /* next step: step 5 configuration .V'-W breakover---------------------------- */

    case 4:

        /*  channel0 configuration */

        timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_DISABLE);

        /*  channel1 configuration */  

                                timer_channel_output_mode_config(TIMER0,TIMER_CH_1,TIMER_OC_MODE_PWM1);

        timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_ENABLE);

        /*  channel2 configuration */

        timer_channel_output_mode_config(TIMER0,TIMER_CH_2,TIMER_OC_MODE_PWM0);

        timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_ENABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_DISABLE);

                               

        break;

    /* next step: step 6 configuration .U-V` breakover---------------------------- */

    case 5:

        /*  channel0 configuration */

        timer_channel_output_mode_config(TIMER0,TIMER_CH_0,TIMER_OC_MODE_PWM0);

                                timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_ENABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_DISABLE);

        /*  channel1 configuration */

        timer_channel_output_mode_config(TIMER0,TIMER_CH_1,TIMER_OC_MODE_PWM1);

        timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_ENABLE);

        /*  channel2 configuration */

        timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_DISABLE);

               

        break;

    /* next step: step 1 configuration .U-W` breakover---------------------------- */        

    case 6:

        /*  channel0 configuration */

        timer_channel_output_mode_config(TIMER0,TIMER_CH_0,TIMER_OC_MODE_PWM0);

        timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_ENABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_DISABLE);

        /*  channel1 configuration */

        timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_DISABLE);

        /*  channel2 configuration */

                                timer_channel_output_mode_config(TIMER0,TIMER_CH_2,TIMER_OC_MODE_PWM1);

        timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_ENABLE);

               

        break;

               

                default:

                                /*  channel0 configuration */

        timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_DISABLE);

        /*  channel1 configuration */      

        timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_DISABLE);

        /*  channel2 configuration */

        timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_DISABLE);

        timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_DISABLE);               

                                break;

                }

//                delay_decrement();

}

在USART接收中断中对接收速度指令进行处理

void USART1_IRQHandler(void)

{

        /* ′®¿ú½óêÕÖD¶Ï */

        if(RESET != usart_interrupt_flag_get(USART1, USART_INT_RBNEIE_RBNE))

                {

                        /* ±￡′æ½óêÕμÄêy¾Y */

                        receiver_data = usart_data_receive(USART1);

                        receiver_data -= 48;

                        receiver_data = receiver_data<<2;

                        if(receiver_data >99)

                                receiver_data = 99;

    }

}

在定时中断中修改TIMER比较值

void SysTick_Handler(void)

{

//    timer_event_software_generate(TIMER0,TIMER_EVENT_SRC_CMTG);

                       

                timer_channel_output_pulse_value_config(TIMER0,TIMER_CH_0,receiver_data);

                timer_channel_output_pulse_value_config(TIMER0,TIMER_CH_1,receiver_data);

                timer_channel_output_pulse_value_config(TIMER0,TIMER_CH_2,receiver_data);

                is++;

                if(is == 100)

                {

                        LED2_Toggle();

                        EvbUart1WriteStr("Hello GD32F350Rx\r");

                        is = 0;

                }

               

}

附上修改的调试程序 350demoTest2.rar (10.31 MB, 下载次数: 396)

2018-10-19 18:19 上传

点击文件名下载附件

附上优酷视频1 http://v.youku.com/v_show/id_XMz ... j.8428770.3416059.1

视频2 http://v.youku.com/v_show/id_XMz ... j.8428770.3416059.1

期间参与的互动帖子：https://bbs.eeworld.com.cn/forum ... d&tid=918482&extra=
https://bbs.eeworld.com.cn/forum ... d&tid=925987&extra=

zeshoufx

谢谢分享，，

zxopenljx

谢谢分享

lijinzhi

勇气可嘉，但是Hall 不能while读取，需要用定时器捕获