#include <sched.h> /*sheduler*/
#include <unistd.h> /*usleep*/
#include <pthread.h> /*threads*/
+#include <time.h> /*nanosleep*/
#include "rpin.h" /*gpclk*/
#include "rp_spi.h" /*spi*/
#include "misc.h" /*structure for priorities*/
+#include "pxmc_sin_fixed.h" /*to test sin commutation */
+#include "pmsm_state.h"
+#include "cmd_proc.h"
-
-#define PRUM_PROUD 2061
-#define PRUM_SOUC 6183
+#define MAX_DUTY 170
+#define PID_P 0.3
#define PRIOR_KERN 50
#define PRIOR_HIGH 49
#define PRIOR_LOW 20
#define THREAD_SHARED 0
-#define INIT_VALUE 0 /*init value for semaphor*/
+#define INIT_VALUE 1 /*init value for semaphor*/
-struct sigaction sighnd; /*struktura pro signal handler*/
-struct rpi_in data;
-uint8_t test;
-uint16_t pwm1, pwm2, pwm3;
-char commutate;
-uint16_t simple_hall_duty;
+#define NSEC_PER_SEC (1000000000) /* The number of nsecs per sec. */
+
+struct rpi_in data;
+struct rpi_state rps={
+ .spi_dat=&data,
+ .test=0,
+ .pwm1=0,.pwm2=0, .pwm3=0,
+ .pwm1=0, .t_pwm2=0, .t_pwm3=0,
+ .commutate=0,
+ .duty=0, /* duty cycle of pwm */
+ .index_dist=0, /* distance to index position */
+ .index_ok=0,
+ .tf_count=0, /*number of transfer*/
+ .desired_pos=0, /* desired position */
+ .pos_reg_ena=0,
+ .desired_spd=0,
+ .spd_reg_ena=0
+};
/**
* \brief Initilizes GPCLK.
inline void clk_disable(){
termClock(0);
}
+/*
+ * \brief
+ * Count minimum value of three numbers.
+ * Input values must be in range <-2^28;2^28>.
+ */
+int32_t min(int32_t x, int32_t y, int32_t z){
+ int32_t diff,sign;
+
+ diff=x-y; /*rozdil*/
+ sign=(*((uint32_t*)&diff))>>31; /*znamenko -> detekuje, ze y je vetsi*/
+ x=y+sign*diff; /*ulozime mensi cislo, pokud sign>0, pak diff<0 */
+
+ diff=x-z; /*rozdil*/
+ sign=(*((uint32_t*)&diff))>>31; /*znamenko -> detekuje, ze z je vetsi*/
+ x=z+sign*diff; /*ulozime mensi cislo, pokud sign>0, pak diff<0 */
+
+ return x;
+}
/**
* \brief Signal handler pro Ctrl+C
*/
-void sighnd_fnc(){
+void appl_stop(){
spi_disable();
clk_disable();
+ /*muzeme zavrit semafor*/
+ sem_destroy(&rps.thd_par_sem);
printf("\nprogram bezpecne ukoncen\n");
- exit(0);
}
void substractOffset(struct rpi_in* data, struct rpi_in* offset){
return;
}
/*
- * pocita procentualni odchylku od prumerneho proudu
+ * \brief
+ * Transformace pro uhel pocitany po smeru hodinovych rucicek
*/
-float diff_p(float value){
- return ((float)value-PRUM_PROUD)*100/PRUM_PROUD;
+void dq2alphabeta(int32_t *alpha, int32_t *beta, int d, int q, int32_t sin, int32_t cos){
+ *alpha=cos*d+sin*q;
+ *beta=-sin*d+cos*q;
+ return;
}
-/*
- * pocita procentualni odchylku od prumerneho souctu proudu
- */
-float diff_s(float value){
- return ((float)value-PRUM_SOUC)*100/PRUM_SOUC;
+void alphabeta2pwm3(int32_t * ia, int32_t * ib, int32_t *ic,int32_t alpha, int32_t beta){
+ *ia=alpha;
+ *ib=-alpha/2+beta*887/1024;
+ *ic=-alpha/2-beta*887/1024;
}
/*
- * tiskne potrebna data
+ * \brief
+ * Preocita napeti na jednotlivych civkach na napeti,
+ * ktera budou privedena na svorky motoru.
+ * Tedy na A(yel)-pwm1, B(red)-pwm2, C(blk)-pwm3
*/
-void printData(struct rpi_in data){
- float cur0, cur1, cur2;
- int i;
- if (data.adc_m_count){
- cur0=data.ch0/data.adc_m_count;
- cur1=data.ch1/data.adc_m_count;
- cur2=data.ch2/data.adc_m_count;
- }
- for (i = 0; i < 16; i++) {
- if (!(i % 6))
- puts("");
- printf("%.2X ", data.debug_rx[i]);
- }
- puts("");
- printf("\npozice=%d\n",(int32_t)data.pozice);
- printf("raw_pozice=%d\n",(int32_t)data.pozice_raw);
- printf("raw_pozice last11=%u\n",(data.pozice_raw&0x7FF));
- printf("index position=%d\n",(int16_t)data.index_position);
- printf("hal1=%d, hal2=%d, hal3=%d\n",data.hal1,data.hal2,data.hal3);
- printf("en1=%d, en2=%d, en3=%d (Last sent)\n",!!(0x40&test),!!(0x20&test),!!(0x10&test));
- printf("shdn1=%d, shdn2=%d, shdn3=%d (L.s.)\n",!!(0x08&test),!!(0x04&test),!!(0x02&test));
- printf("PWM1=%u(L.s.)\n",pwm1);
- printf("PWM2=%u(L.s.)\n",pwm2);
- printf("PWM3=%u(L.s.)\n",pwm3);
- printf("Pocet namerenych proudu=%u\n",data.adc_m_count);
- printf("(pwm1) (ch1)=%d (avg=%4.0f) (%2.2f%%)\n",data.ch1,cur1,diff_p(cur1));
- printf("(pwm2) (ch2)=%d (avg=%4.0f)(%2.2f%%)\n",data.ch2,cur2,diff_p(cur2));
- printf("(pwm3) (ch0)=%d (avg=%4.0f)(%2.2f%%)\n",data.ch0,cur0,diff_p(cur0));
- printf("soucet prumeru=%5.0f (%2.2f%%)\n",cur0+cur1+cur2,diff_s(cur0+cur1+cur2));
- printf("duty=%u\n",simple_hall_duty);
- if (commutate) printf("commutation in progress\n");
+void transDelta(int32_t * u1, int32_t * u2, int32_t *u3, int32_t ub , int32_t uc){
+ int32_t t;
+
+ /*vypocte napeti tak, aby odpovidaly rozdily*/
+ *u1=uc;
+ *u2=uc+ub;
+ *u3=0;
+
+ /*najde zaporne napeti*/
+ t=min(*u1,*u2,*u3);
+
+ /*dorovna zaporna napeti na nulu*/
+ *u1-=t;
+ *u2-=t;
+ *u3-=t;
+}
+void inv_trans_comm(int duty){
+ uint32_t pos;
+ int32_t sin, cos;
+ int32_t alpha, beta;
+ int32_t pwma,pwmb,pwmc;
+ pos=rps.index_dist;
+ /*melo by byt urceno co nejpresneji, aby faze 'a' splyvala s osou 'alpha'*/
+ pos+=717;
+ /*use it as cyclic 32-bit logic*/
+ pos*=4294967;
+ pxmc_sincos_fixed_inline(&sin, &cos, pos, 16);
+ dq2alphabeta(&alpha, &beta,0,duty, sin, cos);
+ alpha>>=16;
+ beta>>=16;
+ alphabeta2pwm3(&pwma,&pwmb, &pwmc,alpha,beta);
+
+ if (pwma<0) pwma=0;
+ if (pwmb<0) pwmb=0;
+ if (pwmc<0) pwmc=0;
+
+
+ rps.t_pwm1=(uint16_t)pwma;
+ rps.t_pwm3=(uint16_t)pwmb;
+ rps.t_pwm2=(uint16_t)pwmc;
+}
+
+void inv_trans_comm_2(int duty){
+ uint32_t pos;
+ int32_t sin, cos;
+ int32_t alpha, beta;
+ int32_t ua,ub,uc;
+ int32_t ia,ib,ic;
+ int32_t u1,u2,u3;
+ pos=rps.index_dist;
+
+ pos+=960; /*zarovnani faze 'a' s osou 'alpha'*/
+
+ /*pro výpočet sin a cos je pouzita 32-bit cyklicka logika*/
+ pos*=4294967;
+ pxmc_sincos_fixed_inline(&sin, &cos, pos, 16);
+
+ dq2alphabeta(&alpha, &beta,0,duty, sin, cos);
+ alpha>>=16;
+ beta>>=16;
+
+ alphabeta2pwm3(&ia,&ib, &ic,alpha,beta);
+
+ ua=ia;
+ ub=ib;
+ uc=ic;
+
+ transDelta(&u1,&u2, &u3,ub,uc);
+
+ rps.pwm1=(uint16_t)u1;
+ rps.pwm2=(uint16_t)u2;
+ rps.pwm3=(uint16_t)u3;
}
void prepare_tx(uint8_t * tx){
* bit 89 - shutdown3
* .
* .
+ * Unused
* .
- * bits 66 .. 56 - match PWM1
- * bits 55 .. 45 - match PWM2
- * bit 11,12 - Unused
- * bits 42 .. 32 - match PWM3
+ * .
+ * bits 47 .. 32 - match PWM1
+ * bits 31 .. 16 - match PWM2
+ * bits 15 .. 0 - match PWM3
*/
uint16_t tmp;
- /* keep the cap*/
- if (pwm1>2047) pwm1=2047;
- if (pwm2>2047) pwm2=2047;
- if (pwm3>2047) pwm3=2047;
+ /* keep the 11-bit cap*/
+
+ if (rps.pwm1>2047) rps.pwm1=2047;
+ if (rps.pwm2>2047) rps.pwm2=2047;
+ if (rps.pwm3>2047) rps.pwm3=2047;
- tx[0]=test; /*bit 94 - enable PWM1*/
+ tx[0]=rps.test; /*bit 94 - enable PWM1*/
+ /*now we have to switch the bytes due to endianess */
+ /* ARMv6 & ARMv7 instructions are little endian */
/*pwm1*/
- tx[7]=(tx[7] & 0xF8) | (0x07 & ((uint8_t*)&pwm1)[1]); /*MSB*/
- tx[8]=((uint8_t*)&pwm1)[0]; /*LSB*/
+ tx[10]=((uint8_t*)&rps.pwm1)[1]; /*MSB*/
+ tx[11]=((uint8_t*)&rps.pwm1)[0]; /*LSB*/
/*pwm2*/
- tmp=pwm2;
- tmp<<=5;
- tx[9]=((uint8_t*)&tmp)[1]; /*MSB*/
- tx[10]=(tx[10] & 0x1F) | (0xE0 & ((uint8_t*)&tmp)[0]); /*LSB*/
+ tx[12]=((uint8_t*)&rps.pwm2)[1]; /*MSB*/
+ tx[13]=((uint8_t*)&rps.pwm2)[0]; /*LSB*/
/*pwm3*/
- tx[10]=(tx[10] & 0xF8) | (0x07 & ((uint8_t*)&pwm3)[1]); /*MSB*/
- tx[11]=((uint8_t*)&pwm3)[0]; /*LSB*/
+ tx[14]=((uint8_t*)&rps.pwm3)[1]; /*MSB*/
+ tx[15]=((uint8_t*)&rps.pwm3)[0]; /*LSB*/
}
* Funkce pravidelne vypisuje posledni zjistenou pozici lokalniho motoru
*/
void * pos_monitor(void* param){
- set_priority(param); /*set priority*/
while(1){
- printData(data);
+ printData(&rps);
usleep(1000000); /*1 Hz*/
}
return (void*)0;
}
+/*
+ * \brief
+ * Multiplication of 11 bit
+ * Zaporne vysledky prvede na nulu.
+ */
+inline uint16_t mult_cap(int32_t s,int d){
+ int j;
+ int res=0;
+ for(j=0;j!=11;j++){
+ /* multiplicate as if maximum sinus value was unity */
+ res+=(!(s & 0x10000000))*(((1 << j) & s)>>j)*(d>>(10-j));
+ }
+ return res;
+}
+inline
+int sin_commutator(int duty){
+ #define DEGREE_60 715827883
+ #define DEGREE_120 1431655765
+ #define DEGREE_180 2147483648
+ #define DEGREE_240 2863311531
+ #define DEGREE_300 3579139413
+ uint32_t j,pos;
+ int32_t sin;
+ pos=rps.index_dist;
+ int32_t pwm;
+ /*aby prictene uhly mohla byt kulata cisla, musime index posunout*/
+ pos+=38;
+ /*use it as cyclic 32-bit logic*/
+ pos*=4294967;
+ if (duty>=0){ /*clockwise rotation*/
+ /* 1st phase */
+ sin = pxmc_sin_fixed_inline(pos+DEGREE_240,10); /*10+1 bity*/ /*-120*/
+ pwm=sin*duty/1024;
+ if (pwm<0) pwm=0;
+ rps.pwm1=(uint16_t)pwm;
+
+ /* 2nd phase */
+ sin = pxmc_sin_fixed_inline(pos+DEGREE_120,10); /*10+1 bity*/ /*-240*/
+ pwm=sin*duty/1024;
+ if (pwm<0) pwm=0;
+ rps.pwm2=(uint16_t)pwm;
+
+ /* 3rd phase */
+ sin = pxmc_sin_fixed_inline(pos,10); /*10+1 bity*/
+ pwm=sin*duty/1024;
+ if (pwm<0) pwm=0;
+ rps.pwm3=(uint16_t)pwm;
+ }else{
+ duty=-duty;
+
+ /* 1st phase */
+ sin = pxmc_sin_fixed_inline(pos+DEGREE_60,10); /*10+1 bity*/ /*-300*/
+ pwm=sin*duty/1024;
+ if (pwm<0) pwm=0;
+ rps.pwm1=(uint16_t)pwm;
+
+ /* 2nd phase */
+ sin = pxmc_sin_fixed_inline(pos+DEGREE_300,10); /*10+1 bity*/ /*-60-*/
+ pwm=sin*duty/1024;
+ if (pwm<0) pwm=0;
+ rps.pwm2=(uint16_t)pwm;
+
+ /* 3rd phase */
+ sin = pxmc_sin_fixed_inline(pos+DEGREE_180,10); /*10+1 bity*/ /*-180*/
+ pwm=sin*duty/1024;
+ if (pwm<0) pwm=0;
+ rps.pwm3=(uint16_t)pwm;
+ }
+ return 0;
+}
/*
* \brief
* Test function to be placed in controll loop.
- * Clockwise rotation with PWM with 64 out of 2048 duty cycle.
+ * Switches PWM's at point where they produce same force.
+ * This points are found thanks to IRC position,
*/
-inline void simple_hall_commutator(struct rpi_in data){
- /* pwm3 */
- if (data.hal2 && !data.hal3){
- pwm1=0;
- pwm2=0;
- pwm3=simple_hall_duty;
- /* pwm1 */
- }else if (data.hal1 && !data.hal2){
- pwm1=simple_hall_duty;
- pwm2=0;
- pwm3=0;
- /* pwm2 */
- }else if (!data.hal1 && data.hal3){
- pwm1=0;
- pwm2=simple_hall_duty;
- pwm3=0;
+inline
+void simple_ind_dist_commutator(int duty){
+ if (duty>=0){ /* clockwise - so that position increase */
+ /* pwm3 */
+ if ((rps.index_dist>=45 && rps.index_dist<=373) ||
+ (rps.index_dist>=1048 && rps.index_dist<=1377)){
+ rps.pwm1=0;
+ rps.pwm2=0;
+ rps.pwm3=duty;
+ /* pwm1 */
+ }else if ((rps.index_dist>=373 && rps.index_dist<=711) ||
+ (rps.index_dist>=1377 && rps.index_dist<=1711)){
+ rps.pwm1=duty;
+ rps.pwm2=0;
+ rps.pwm3=0;
+ /* pwm2 */
+ }else if ((rps.index_dist>=0 && rps.index_dist<=45) ||
+ (rps.index_dist>=711 && rps.index_dist<=1048) ||
+ (rps.index_dist>=1711 && rps.index_dist<=1999)){
+ rps.pwm1=0;
+ rps.pwm2=duty;
+ rps.pwm3=0;
+ }
+ }else{ /*counter-clockwise - position decrease */
+ /* pwm3 */
+ if ((rps.index_dist>=544 && rps.index_dist<=881) ||
+ (rps.index_dist>=1544 && rps.index_dist<=1878)){
+ rps.pwm1=0;
+ rps.pwm2=0;
+ rps.pwm3=-duty;
+ /* pwm1 */
+ }else if ((rps.index_dist>=0 && rps.index_dist<=211) ||
+ (rps.index_dist>=881 && rps.index_dist<=1210) ||
+ (rps.index_dist>=1878 && rps.index_dist<=1999)){
+ rps.pwm1=-duty;
+ rps.pwm2=0;
+ rps.pwm3=0;
+ /* pwm2 */
+ }else if ((rps.index_dist>=211 && rps.index_dist<=544) ||
+ (rps.index_dist>=1210 && rps.index_dist<=1544)){
+ rps.pwm1=0;
+ rps.pwm2=-duty;
+ rps.pwm3=0;
+ }
+ }
+}
+/*
+ * \brief
+ * Test function to be placed in controll loop.
+ * Switches PWM's at point where they produce same force
+ */
+inline void simple_hall_commutator(int duty){
+ if (duty>=0){ /* clockwise - so that position increase */
+ /* pwm3 */
+ if (data.hal2 && !data.hal3){
+ rps.pwm1=0;
+ rps.pwm2=0;
+ rps.pwm3=duty;
+ /* pwm1 */
+ }else if (data.hal1 && !data.hal2){
+ rps.pwm1=duty;
+ rps.pwm2=0;
+ rps.pwm3=0;
+ /* pwm2 */
+ }else if (!data.hal1 && data.hal3){
+ rps.pwm1=0;
+ rps.pwm2=duty;
+ rps.pwm3=0;
+ }
+ }else{ /*counter-clockwise - position decrease */
+ /* pwm3 */
+ if (!data.hal2 && data.hal3){
+ rps.pwm1=0;
+ rps.pwm2=0;
+ rps.pwm3=-duty;
+ /* pwm1 */
+ }else if (!data.hal1 && data.hal2){
+ rps.pwm1=-duty;
+ rps.pwm2=0;
+ rps.pwm3=0;
+ /* pwm2 */
+ }else if (data.hal1 && !data.hal3){
+ rps.pwm1=0;
+ rps.pwm2=-duty;
+ rps.pwm3=0;
+ }
}
}
/**
- * Funkce pravidelne vycita data z motoru
+ * \brief
+ * Computation of distance to index.
+ *
+ * K dispozici je 12-bit index, to umoznuje ulozit 4096 ruznych bodu
+ * Je nutne vyjadrit 1999 bodu proti i posmeru h.r. od indexu -
+ * to je 3999 bodu
+ * =>12 bitu je dostacujicich, pokud nikdy nedojde ke ztrate
+ * signalu indexu
+ */
+void comIndDist(){
+ uint16_t pos = 0x0FFF & data.pozice_raw;
+ uint16_t dist;
+ uint16_t index = data.index_position;
+
+ if (index<1999){ /*index e<0,1998> */
+ if (pos<index){ /*pozice e<0,index-1> */
+ /*proti smeru h.r. od indexu*/
+ dist=pos+2000-index;
+ }else if (pos<=index+1999){ /*pozice e<index,index+1999> */
+ /*po smeru h.r. od indexu*/
+ dist=pos-index;
+ }else if (pos<index+2096){ /*pozice e<index+2000,index+2095> */
+ goto index_lost;
+ }else{ /*pozice e<index+2096,4095> */
+ /*proti smeru h.r. od indexu - podtecena pozice*/
+ dist=pos-index-2096;
+ }
+ }else if (index<=2096){ /*index e<1999,2096>*/
+ if (pos<index-1999){ /*pozice e<0,index-2000> */
+ goto index_lost;
+ }else if (pos<index){ /*pozice e<index-1999,index-1> */
+ /*proti smeru h.r. od indexu*/
+ dist=pos+2000-index;
+ }else if (pos<=index+1999){ /*pozice e<index,index+1999> */
+ /*po smeru h.r. od indexu*/
+ dist=pos-index;
+ }else { /*pozice e<index+2000,4095> */
+ goto index_lost;
+ }
+ }else{ /*index e<2097,4095> */
+ if (pos<=index-2097){ /*pozice e<0,index-2097> */
+ /*po smeru h.r. od indexu - pretecena pozice*/
+ dist=4096+pos-index;
+ }else if (pos<index-1999){ /*pozice e<index-2096,index-2000> */
+ goto index_lost;
+ }else if (pos<index){ /*pozice e<index-1999,index-1> */
+ /*proti smeru h.r. od indexu*/
+ dist=pos+2000-index;
+ }else{ /*pozice e<index,4095> */
+ /*po smeru h.r. od indexu*/
+ dist=pos-index;
+ }
+ }
+
+ rps.index_dist = dist;
+ return;
+
+ index_lost:
+ rps.index_ok=0;
+ return;
+}
+/*
+ * \brief
+ * Very simple PID regulator.
+ * Now only with P-part so that the error doesnt go to zero.
+ * TODO: add anti-wind up and I and D parts
+ */
+inline void pos_pid(){
+ int duty_tmp;
+ duty_tmp = PID_P*(rps.desired_pos - (int32_t)data.pozice);
+ if (duty_tmp>MAX_DUTY){
+ rps.duty=MAX_DUTY;
+ }else if (duty_tmp<-MAX_DUTY){
+ rps.duty=-MAX_DUTY;
+ }else{
+ rps.duty = duty_tmp;
+ }
+}
+/*
+ * \brief
+ * Feedback loop.
+ * TODO: replace bunch of 'IFs' with Object-like pattern
*/
void * read_data(void* param){
int i;
struct rpi_in pocatek;
+ struct timespec t;
+ int interval = 1000000; /* 1ms ~ 1kHz*/
uint8_t tx[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0} ;
- set_priority(param); /*set priority*/
+ char first=1;
+ uint16_t last_index; /*we have index up-to date*/
pocatek = spi_read(tx);
+ clock_gettime(CLOCK_MONOTONIC ,&t);
+ /* start after one second */
+ t.tv_sec++;
while(1){
- prepare_tx(tx);
- data = spi_read(tx);
+ /* wait until next shot */
+ clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &t, NULL);
+ sem_wait(&rps.thd_par_sem); /*---take semaphore---*/
+ prepare_tx(tx); /*save the data to send*/
+ data = spi_read(tx); /*exchange data*/
+ /*subtract initiate postion */
+ rps.tf_count++;
substractOffset(&data,&pocatek);
- if (commutate){
- simple_hall_commutator(data);
+
+ if (!rps.index_ok){
+ if (first){
+ last_index=data.index_position;
+ first=0;
+ }else if (last_index!=data.index_position){
+ rps.index_ok=1;
+ comIndDist(); /*vypocet vzdalenosti indexu*/
+ }
+ }else{ /*index je v poradku*/
+ comIndDist(); /*vypocet vzdalenosti indexu*/
}
- usleep(1000); /*1kHz*/
+ /* pocitame sirku plneni podle potreb rizeni*/
+ if (rps.pos_reg_ena){
+ pos_pid();
+ }
+ /* sirka plneni prepoctena na jednotlive pwm */
+ if (rps.index_ok && rps.commutate){
+ /*simple_ind_dist_commutator(rps.duty);*/
+ /*sin_commutator(rps.duty);*/
+ inv_trans_comm(rps.duty);
+ inv_trans_comm_2(rps.duty);
+ }else if(!rps.index_ok && rps.commutate){
+ simple_hall_commutator(rps.duty);
+ }
+ sem_post(&rps.thd_par_sem); /*--post semaphore---*/
+
+ /* calculate next shot */
+ t.tv_nsec += interval;
+
+ while (t.tv_nsec >= NSEC_PER_SEC) {
+ t.tv_nsec -= NSEC_PER_SEC;
+ t.tv_sec++;
+ }
+
}
}
+
+
/**
* \brief Main function.
*/
int main(){
- unsigned int tmp;
-
- /*nastaveni priorit vlaken*/
- struct thread_param tsp;
- tsp.sch_policy = SCHED_FIFO;
-
- /*nastaveni signalu pro vypnuti pomoci Ctrl+C*/
- sighnd.sa_handler=&sighnd_fnc;
- sigaction(SIGINT, &sighnd, NULL );
-
+ pthread_t base_thread_id;
clk_init(); /* inicializace gpio hodin */
spi_init(); /* iniicializace spi*/
/*semafor pro detekci zpracovani parametru vlaken*/
- sem_init(&thd_par_sem,THREAD_SHARED,INIT_VALUE);
-
- /*vlakna*/
- pthread_t tid; /*identifikator vlakna*/
- pthread_attr_t attr; /*atributy vlakna*/
- pthread_attr_init(&attr); /*inicializuj implicitni atributy*/
-
+ sem_init(&rps.thd_par_sem,THREAD_SHARED,INIT_VALUE);
+ setup_environment();
+ base_thread_id=pthread_self();
- /*ziskavani dat z motoru*//*vysoka priorita*/
- tsp.sch_prior = PRIOR_HIGH;
- pthread_create(&tid, &attr, read_data, (void*)&tsp);
+ /*main control loop*/
+ create_rt_task(&base_thread_id,PRIOR_HIGH,read_data,NULL);
- /*vypisovani lokalni pozice*//*nizka priorita*/
- tsp.sch_prior = PRIOR_LOW;
- pthread_create(&tid, &attr, pos_monitor, (void*)&tsp);
+ /*monitor of current state*/
+ create_rt_task(&base_thread_id,PRIOR_LOW,pos_monitor,NULL);
+ /*wait for commands*/
+ poll_cmd(&rps);
- /*muzeme zavrit semafor*/
- sem_destroy(&thd_par_sem);
- /*
- * Note:
- * pri pouziti scanf("%u",&simple_hall_duty); dochazelo
- * k preukladani hodnot na promenne test. Dost divne.
- */
- while (1){
- scanf("%u",&tmp);
- printf("volba=%u\n",tmp);
- switch (tmp){
- case 1:
- scanf("%u",&tmp);
- pwm1=tmp&0xFFF;
- break;
- case 2:
- scanf("%u",&tmp);
- pwm2=tmp&0xFFF;
- break;
- case 3:
- scanf("%u",&tmp);
- pwm3=tmp&0xFFF;
- break;
- case 4:
- scanf("%u",&tmp);
- test=tmp&0xFF;
- break;
- case 5:
- commutate=!commutate;
- /* switch off pwms at the end of commutation */
- pwm1&=commutate*0xFFFF;
- pwm2&=commutate*0xFFFF;
- pwm3&=commutate*0xFFFF;
- break;
- case 6:
- scanf("%u",&tmp);
- simple_hall_duty=tmp&0xFFF;
- break;
-
- default:
- break;
- }
-
- }
return 0;
}
projects / fpga / rpi-motor-control.git / blobdiff