3 * \author Martin Prudek
4 * \brief Mainfile pro pmsm control.
12 #include <stdlib.h> /*exit*/
13 #include <signal.h> /*signal handler Ctrl+C*/
14 #include <stdio.h> /*printf*/
15 #include <sched.h> /*sheduler*/
16 #include <unistd.h> /*usleep*/
17 #include <pthread.h> /*threads*/
19 #include "rpin.h" /*gpclk*/
20 #include "rp_spi.h" /*spi*/
21 #include "misc.h" /*structure for priorities*/
24 #define PRUM_PROUD 2061
25 #define PRUM_SOUC 6183
31 #define THREAD_SHARED 0
32 #define INIT_VALUE 0 /*init value for semaphor*/
34 struct sigaction sighnd; /*struktura pro signal handler*/
38 uint16_t pwm1, pwm2, pwm3;
42 * \brief Initilizes GPCLK.
46 initialise(); /*namapovani gpio*/
47 initClock(PLLD_500_MHZ, 10, 0);
48 gpioSetMode(4, FSEL_ALT0);
52 * \brief Terminates GPCLK.
55 inline void clk_disable(){
60 * \brief Signal handler pro Ctrl+C
65 printf("\nprogram bezpecne ukoncen\n");
69 void substractOffset(struct rpi_in* data, struct rpi_in* offset){
70 data->pozice-=offset->pozice;
74 * pocita procentualni odchylku od prumerneho proudu
76 float diff_p(float value){
77 return ((float)value-PRUM_PROUD)*100/PRUM_PROUD;
80 * pocita procentualni odchylku od prumerneho souctu proudu
82 float diff_s(float value){
83 return ((float)value-PRUM_SOUC)*100/PRUM_SOUC;
86 * tiskne potrebna data
88 void printData(struct rpi_in data){
89 float cur0, cur1, cur2;
91 if (data.adc_m_count){
92 cur0=data.ch0/data.adc_m_count;
93 cur1=data.ch1/data.adc_m_count;
94 cur2=data.ch2/data.adc_m_count;
96 for (i = 0; i < 16; i++) {
99 printf("%.2X ", data.debug_rx[i]);
102 printf("\npozice=%d\n",(int32_t)data.pozice);
103 printf("hal1=%d, hal2=%d, hal3=%d\n",data.hal1,data.hal2,data.hal3);
104 printf("en1=%d, en2=%d, en3=%d (Last sent)\n",!!(0x40&test),!!(0x20&test),!!(0x10&test));
105 printf("shdn1=%d, shdn2=%d, shdn3=%d (L.s.)\n",!!(0x08&test),!!(0x04&test),!!(0x02&test));
106 printf("PWM1=%u(L.s.)\n",pwm1);
107 printf("PWM2=%u(L.s.)\n",pwm2);
108 printf("PWM3=%u(L.s.)\n",pwm3);
109 printf("Pocet namerenych proudu=%u\n",data.adc_m_count);
110 printf("(pwm1) (ch1)=%d (avg=%4.0f) (%2.2f%%)\n",data.ch1,cur1,diff_p(cur1));
111 printf("(pwm2) (ch2)=%d (avg=%4.0f)(%2.2f%%)\n",data.ch2,cur2,diff_p(cur2));
112 printf("(pwm3) (ch0)=%d (avg=%4.0f)(%2.2f%%)\n",data.ch0,cur0,diff_p(cur0));
113 printf("soucet prumeru=%5.0f (%2.2f%%)\n",cur0+cur1+cur2,diff_s(cur0+cur1+cur2));
115 void prepare_tx(uint8_t * tx){
118 * tx[4] - bity 95 downto 88 - bits that are sent first
119 * tx[5] - bity 87 downto 80
120 * tx[6] - bity 79 downto 72
121 * tx[7] - bity 71 downto 64
122 * tx[8] - bity 63 downto 56
123 * tx[9] - bity 55 downto 48
124 * tx[10] - bity 47 downto 40
125 * tx[11] - bity 39 downto 32
126 * tx[12] - bity 31 downto 24
127 * tx[13] - bity 23 downto 16
128 * tx[14] - bity 15 downto 8
129 * tx[15] - bity 7 downto 0
132 * bit 94 - enable PWM1
133 * bit 93 - enable PWM2
134 * bit 92 - enable PWM3
141 * bits 66 .. 56 - match PWM1
142 * bits 55 .. 45 - match PWM2
144 * bits 42 .. 32 - match PWM3
151 if (pwm1>2047) pwm1=2047;
152 if (pwm2>2047) pwm2=2047;
153 if (pwm3>2047) pwm3=2047;
155 tx[0]=test; /*bit 94 - enable PWM1*/
158 tx[7]=(tx[7] & 0xF8) | (0x07 & ((uint8_t*)&pwm1)[1]); /*MSB*/
159 tx[8]=((uint8_t*)&pwm1)[0]; /*LSB*/
164 tx[9]=((uint8_t*)&tmp)[1]; /*MSB*/
165 tx[10]=(tx[10] & 0x1F) | (0xE0 & ((uint8_t*)&tmp)[0]); /*LSB*/
168 tx[10]=(tx[10] & 0xF8) | (0x07 & ((uint8_t*)&pwm3)[1]); /*MSB*/
169 tx[11]=((uint8_t*)&pwm3)[0]; /*LSB*/
174 * Funkce pravidelne vypisuje posledni zjistenou pozici lokalniho motoru
176 void * pos_monitor(void* param){
177 set_priority(param); /*set priority*/
180 usleep(1000000); /*1 Hz*/
186 * Funkce pravidelne vycita data z motoru
188 void * read_data(void* param){
190 struct rpi_in pocatek;
191 uint8_t tx[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0} ;
192 set_priority(param); /*set priority*/
193 pocatek = spi_read(tx);
197 substractOffset(&data,&pocatek);
198 usleep(1000); /*1kHz*/
203 * \brief Main function.
209 /*nastaveni priorit vlaken*/
210 struct thread_param tsp;
211 tsp.sch_policy = SCHED_FIFO;
213 /*nastaveni signalu pro vypnuti pomoci Ctrl+C*/
214 sighnd.sa_handler=&sighnd_fnc;
215 sigaction(SIGINT, &sighnd, NULL );
217 clk_init(); /* inicializace gpio hodin */
218 spi_init(); /* iniicializace spi*/
220 /*semafor pro detekci zpracovani parametru vlaken*/
221 sem_init(&thd_par_sem,THREAD_SHARED,INIT_VALUE);
224 pthread_t tid; /*identifikator vlakna*/
225 pthread_attr_t attr; /*atributy vlakna*/
226 pthread_attr_init(&attr); /*inicializuj implicitni atributy*/
230 /*ziskavani dat z motoru*//*vysoka priorita*/
231 tsp.sch_prior = PRIOR_HIGH;
232 pthread_create(&tid, &attr, read_data, (void*)&tsp);
234 /*vypisovani lokalni pozice*//*nizka priorita*/
235 tsp.sch_prior = PRIOR_LOW;
236 pthread_create(&tid, &attr, pos_monitor, (void*)&tsp);
239 /*muzeme zavrit semafor*/
240 sem_destroy(&thd_par_sem);
244 printf("volba=%x\n",tmp);