166 lines
2.8 KiB
C
166 lines
2.8 KiB
C
#include "moter.h"
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#include "dev_flash.h"
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#include "debug.h"
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#include "commend.h"
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#include "mymisc.h"
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#include "board.h"
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// 运行状态
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typedef enum{
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STOP=0,
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INITING=1,
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DOWNING=2,
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UPING=3,
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}moter_stat;
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typedef struct{
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int inited;
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pwm_def *pwm;
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rt_event_t event;
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int run;
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int want_count;
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int count;
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int max_count;
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moter_stat stat;
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}self_def;
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self_def g_self;
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#define MOTER_MAX_COUNT 22000
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#define MOTER_END_EVENT 0x1
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static void end_irq(void *t)
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{
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self_def *s=t;
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if(s->inited)
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rt_event_send(s->event,MOTER_END_EVENT);
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}
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static void moter_run(void *t)
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{
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self_def *s=t;
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uint32_t ev;
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while(s->run)
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{
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rt_event_recv(s->event,0xffffffff,RT_EVENT_FLAG_OR|RT_EVENT_FLAG_CLEAR,RT_WAITING_FOREVER,&ev);
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if(ev&MOTER_END_EVENT)
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{
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if(s->stat==INITING)
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{
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s->count=0;
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}else if(s->stat==DOWNING)
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{
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s->count+=s->want_count;
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}else if(s->stat==UPING)
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{
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// 向上时 s->want_count 为负数，所以依然是加
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s->count+=s->want_count;
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if(s->count<0) s->count=0;
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}
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s->stat=STOP;
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DBG_LOG("moter stoped.");
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emit moter_end_signal(s);
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}
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ev=0;
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}
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}
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void moter_start(int fre,int step_count)
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{
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self_def *s=&g_self;
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if(s->inited==0)
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{
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DBG_WARN("moter object is not inited.");
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return;
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}
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moter_start_slot(s,fre,step_count);
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}
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void moter_start_slot(void *t,int fre,int step_count)
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{
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self_def *s=t;
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if(s->stat!=STOP)
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{
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DBG_WARN("moter is running!");
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return ;
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}
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if(s->count+step_count>s->max_count)
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{
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DBG_WARN("steps count exceeded limit!,max=%d",s->max_count);
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return ;
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}
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else{
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DBG_LOG("s->count=%d,step_count=%d,s->max_count=%d",s->count,step_count,s->max_count);
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}
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if(step_count>0){
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s->stat=DOWNING;
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}else if(step_count<0){
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s->stat=UPING;
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}else{
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DBG_WARN("step_count can not == 0");
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return ;
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}
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s->want_count=step_count;
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pwm_def *pwm=s->pwm;
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pwm->set_fre(pwm,fre);
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pwm->start(pwm,step_count);
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}
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void moter_init(void *t)
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{
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self_def *s=t;
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DBG_LOG("moter init to zero.");
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pwm_def *pwm=s->pwm;
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pwm->set_fre(pwm,2000);
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pwm->start(pwm,-22000);
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}
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int init_moter(void)
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{
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self_def *s=&g_self;
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const sys_param_def *par=sys_param();
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if(strcmp(par->device_type,"checker")==0){
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pwm_def *pwm=dev_get("pwm1");
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if(pwm==0){
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cmd_print("can not find device \"pwm1\"");
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return -1;
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}
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pwm->init(pwm);
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pwm->set_irq_fun(pwm,end_irq,s);
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s->pwm=pwm;
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s->stat=INITING;
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s->count=MOTER_MAX_COUNT;
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s->max_count=MOTER_MAX_COUNT;
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s->event=rt_event_create("moter_e",RT_IPC_FLAG_FIFO);
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s->inited=1;
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s->run=1;
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rt_thread_t rt_t=rt_thread_create("moter_t",moter_run,s,2048,3,20);
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rt_thread_startup(rt_t);
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later_execute(moter_init,s,500);
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app_variable("moter",s,0);
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}
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return 0;
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}
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app_init_export(init_moter)
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