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#include 《errno.h》 #include 《signal.h》 #include 《stdio.h》 #include 《string.h》 #include 《sys/resource.h》 #include 《sys/time.h》 #include 《sys/types.h》 #include 《unistd.h》 #include 《sys/mman.h》 #include 《rtdm/rtdm.h》 #include 《native/task.h》 #include 《native/sem.h》 #include 《native/mutex.h》 #include 《native/timer.h》 #include 《rtdk.h》 #include 《pthread.h》 #include 《math.h》 #define PI 3.1415926535898 #include “ecrt.h” #define Bool int #define false 0 #define true 1 #define ETHERCAT_STATUS_OP 0x08 #define STATUS_SERVO_ENABLE_BIT (0x04) //master status typedef enum _SysWorkingStatus { SYS_WORKING_POWER_ON, SYS_WORKING_SAFE_MODE, SYS_WORKING_OP_MODE, SYS_WORKING_LINK_DOWN, SYS_WORKING_IDLE_STATUS //系统空闲 }SysWorkingStatus; typedef struct _GSysRunningParm { SysWorkingStatus m_gWorkStatus; }GSysRunningParm; GSysRunningParm gSysRunning; RT_TASK InterpolationTask; int run = 1; int ecstate = 0; #define CLOCK_TO_USE CLOCK_REALTIME #define NSEC_PER_SEC (1000000000L) #define TIMESPEC2NS(T) ((uint64_t) (T).tv_sec * NSEC_PER_SEC + (T).tv_nsec) static int64_t system_time_base = 0LL; //获取当前系统时间 RTIME system_time_ns(void) { struct timespec rt_time; clock_gettime(CLOCK_TO_USE, &rt_time); RTIME time = TIMESPEC2NS(rt_time); return time - system_time_base; } /****************************************************************************/ // EtherCAT ec_master_t *master = NULL; static ec_master_state_t master_state = {}; static ec_domain_t *domainServoInput = NULL; static ec_domain_state_t domainServoInput_state = {}; static ec_domain_t *domainServoOutput = NULL; static ec_domain_state_t domainServoOutput_state = {}; static uint8_t *domainOutput_pd = NULL; static uint8_t *domainInput_pd = NULL; static ec_slave_config_t *sc_estun; static ec_slave_config_state_t sc_estun_state; /****************************************************************************/ #define estun_Pos0 0, 0 //#define estun 0x0000060a, 0x00000001 #define estun 0x0000066f, 0x60380006 // offsets for PDO entries static unsigned int cntlwd; static unsigned int ipData; static unsigned int modes_of_operation; static unsigned int status; static unsigned int actpos; static unsigned int modes_of_operation_display; static unsigned int Homing_method; static unsigned int speed_during_search_for_switch; static unsigned int speed_during_search_for_zero; static unsigned int homing_acceleration; static unsigned int home_offset; static unsigned int cur_status; static unsigned int cur_mode; // process data ec_pdo_entry_reg_t domainServoOutput_regs[] = { {estun_Pos0, estun, 0x6040, 0x00, &cntlwd, NULL}, {estun_Pos0, estun, 0x607a, 0x00, &ipData, NULL}, {estun_Pos0, estun, 0x6060, 0x00, &modes_of_operation, NULL}, //6060 模式选择 {} }; ec_pdo_entry_reg_t domainServoInput_regs[] = { {estun_Pos0, estun, 0x6064, 0x00, &actpos, NULL}, {estun_Pos0, estun, 0x6041, 0x00, &status, NULL}, {estun_Pos0, estun, 0x6061, 0x00, &modes_of_operation_display, NULL}, {} }; /****************************************************************************/ /* Master 0, Slave 0, “MBDLN25BE” * Vendor ID: 0x0000066f * Product code: 0x60380006 * Revision number: 0x00010000 */ ec_pdo_entry_info_t estun_pdo_entries[] = { {0x6040, 0x00, 16}, /* Controlword */ {0x6060, 0x00, 8}, /* Modes of operation */ {0x607a, 0x00, 32}, /* Target position */ {0x60b8, 0x00, 16}, /* Touch probe function */ {0x603f, 0x00, 16}, /* Error code */ {0x6041, 0x00, 16}, /* Statusword */ {0x6061, 0x00, 8}, /* Modes of operation display */ {0x6064, 0x00, 32}, /* Position actual value */ {0x60b9, 0x00, 16}, /* Touch probe status */ {0x60ba, 0x00, 32}, /* Touch probe pos1 pos value */ {0x60f4, 0x00, 32}, /* Following error actual value */ {0x60fd, 0x00, 32}, /* Digital inputs */ }; ec_pdo_info_t estun_pdos[] = { {0x1600, 4, estun_pdo_entries + 0}, /* Receive PDO mapping 1 */ {0x1a00, 8, estun_pdo_entries + 4}, /* Transmit PDO mapping 1 */ }; ec_sync_info_t estun_syncs[] = { {0, EC_DIR_OUTPUT, 0, NULL, EC_WD_DISABLE}, {1, EC_DIR_INPUT, 0, NULL, EC_WD_DISABLE}, {2, EC_DIR_OUTPUT, 1, estun_pdos + 0, EC_WD_ENABLE}, {3, EC_DIR_INPUT, 1, estun_pdos + 1, EC_WD_DISABLE}, {0xff} }; /****************************************************************************/ int ConfigPDO() { /********************/ printf(“xenomai Configuring PDOs.。.n”); domainServoOutput = ecrt_master_create_domain(master); if (!domainServoOutput) { return -1; } domainServoInput = ecrt_master_create_domain(master); if (!domainServoInput) { return -1; } /********************/ printf(“xenomai Creating slave configurations.。.n”); sc_estun = ecrt_master_slave_config(master, estun_Pos0, estun); if (!sc_estun) { fprintf(stderr, “Failed to get slave configuration.n”); return -1; } /********************/ if (ecrt_slave_config_pdos(sc_estun, EC_END, estun_syncs)) { fprintf(stderr, “Failed to configure PDOs.n”); return -1; } /********************/ if (ecrt_domain_reg_pdo_entry_list(domainServoOutput, domainServoOutput_regs)) { fprintf(stderr, “PDO entry registration failed!n”); return -1; } if (ecrt_domain_reg_pdo_entry_list(domainServoInput, domainServoInput_regs)) { fprintf(stderr, “PDO entry registration failed!n”); return -1; } fprintf(stderr, “Creating SDO requests.。.n”); // ecrt_slave_config_sdo8(sc_estun, 0x6060, 0, 8); // ecrt_slave_config_sdo8(sc_estun, 0x60C2, 1, 1); return 0; } /***************************************************************************** * Realtime task ****************************************************************************/ void rt_check_domain_state(void) { ec_domain_state_t ds = {}; ec_domain_state_t ds1 = {}; //domainServoInput ecrt_domain_state(domainServoInput, &ds); if (ds.working_counter != domainServoInput_state.working_counter) { rt_printf(“domainServoInput: WC %u.n”, ds.working_counter); } if (ds.wc_state != domainServoInput_state.wc_state) { rt_printf(“domainServoInput: State %u.n”, ds.wc_state); } domainServoInput_state = ds; //domainServoOutput ecrt_domain_state(domainServoOutput, &ds1); if (ds1.working_counter != domainServoOutput_state.working_counter) { rt_printf(“domainServoOutput: WC %u.n”, ds1.working_counter); } if (ds1.wc_state != domainServoOutput_state.wc_state) { rt_printf(“domainServoOutput: State %u.n”, ds1.wc_state); } domainServoOutput_state = ds1; } /****************************************************************************/ void rt_check_master_state(void) { ec_master_state_t ms; ecrt_master_state(master, &ms); if (ms.slaves_responding != master_state.slaves_responding) { rt_printf(“%u slave(s)。n”, ms.slaves_responding); } if (ms.al_states != master_state.al_states) { rt_printf(“AL states: 0x%02X.n”, ms.al_states); } if (ms.link_up != master_state.link_up) { rt_printf(“Link is %s.n”, ms.link_up ? “up” : “down”); } master_state = ms; } /****************************************************************************/ void check_slave_config_states(void) { ec_slave_config_state_t s; ecrt_slave_config_state(sc_estun,&s); if (s.al_state != sc_estun_state.al_state) printf(“sc_estun_state: State 0x%02X.n”, s.al_state); if (s.online != sc_estun_state.online) printf(“sc_estun_state: %s.n”, s.online ? “online” : “offline”); if (s.operational != sc_estun_state.operational) printf(“sc_estun_state: %soperational.n”,s.operational ? “” : “Not ”); sc_estun_state = s; } /****************************************************************************/ void ReleaseMaster() { if(master) { printf(“xenomai End of Program, release mastern”); ecrt_release_master(master); master = NULL; } } /****************************************************************************/ int ActivateMaster() { int ret; printf(“xenomai Requesting master.。.n”); if(master) return 0; master = ecrt_request_master(0); if (!master) { return -1; } ConfigPDO(); // configure SYNC signals for this slave ecrt_slave_config_dc(sc_estun, 0x0300, 1000000, 0, 0, 0); // ecrt_slave_config_dc(sc_estun, 0x0300, 4000000, 4000000/2, 0, 0); ecrt_master_application_time(master, system_time_ns()); ret = ecrt_master_select_reference_clock(master, NULL); if (ret 《 0) { fprintf(stderr, “xenomai Failed to select reference clock: %sn”, strerror(-ret)); return ret; } /********************/ printf(“xenomai Activating master.。.n”); if (ecrt_master_activate(master)) { printf(“xenomai Activating master.。.failedn”); return -1; } /********************/ if (!(domainInput_pd = ecrt_domain_data(domainServoInput))) { fprintf(stderr, “xenomai Failed to get domain data pointer.n”); return -1; } if (!(domainOutput_pd = ecrt_domain_data(domainServoOutput))) { fprintf(stderr, “xenomai Failed to get domain data pointer.n”); return -1; } printf(“xenomai Activating master.。.successn”); return 0; } /****************************************************************************/ void DriverEtherCAT() { static int curpos = 0; static int curpos_offset = 0; static int i = 0; //处于刚开机(需要等待其他操作完成),返回等待下次周期 if(gSysRunning.m_gWorkStatus == SYS_WORKING_POWER_ON) return ; static int cycle_counter = 0; cycle_counter++; if(cycle_counter 》= 600*1000){ cycle_counter = 0; run = 0; } // receive EtherCAT frames ecrt_master_receive(master); ecrt_domain_process(domainServoOutput); ecrt_domain_process(domainServoInput); rt_check_domain_state(); if (!(cycle_counter % 500)) { rt_check_master_state(); check_slave_config_states(); } //状态机操作 switch (gSysRunning.m_gWorkStatus) { case SYS_WORKING_SAFE_MODE:{ //检查主站是否处于 OP 模式, 若不是,则调整为 OP 模式 rt_check_master_state(); check_slave_config_states(); if((master_state.al_states & ETHERCAT_STATUS_OP)) { int tmp = true; if(sc_estun_state.al_state != ETHERCAT_STATUS_OP) { tmp = false; break ; } if(tmp) { ecstate = 0; gSysRunning.m_gWorkStatus = SYS_WORKING_OP_MODE; printf(“xenomai SYS_WORKING_OP_MODEn”); EC_WRITE_U16(domainOutput_pd + cntlwd, 0x80); //错误复位 } } }break; case SYS_WORKING_OP_MODE: { EC_WRITE_U8(domainOutput_pd + modes_of_operation, 8); cur_mode= EC_READ_U8(domainInput_pd + modes_of_operation_display); printf(“curMode: %dt”, cur_mode); //当前操作模式 cur_status = EC_READ_U16(domainInput_pd + status); printf(“curStatus: %dn”, cur_status); if((cur_status & 0x004f) == 0x0040) { EC_WRITE_U16(domainOutput_pd + cntlwd, 0x06); // cur_mode= EC_READ_U8(domainInput_pd + modes_of_operation_display); // printf(“curMode: %dn”, cur_mode); //当前操作模式 printf(“0x06n”); } else if((cur_status & 0x006f) == 0x0021) { EC_WRITE_U16(domainOutput_pd + cntlwd, 0x07); printf(“0x07n”); } else if((cur_status & 0x006f) == 0x023) { EC_WRITE_U16(domainOutput_pd + cntlwd, 0x0F); printf(“0x0Fn”); } else if((cur_status & 0x006f) == 0x0027) { EC_WRITE_U16(domainOutput_pd + cntlwd, 0x001f); printf(“0x1fn”); curpos = EC_READ_S32(domainInput_pd + actpos); // EC_WRITE_S32(domainOutput_pd + ipData, EC_READ_S32(domainInput_pd + actpos)); printf(“x@rtITP 》》》 Axis current position = %dn”, curpos); int tmp = true; if((EC_READ_U16(domainInput_pd + status) & (STATUS_SERVO_ENABLE_BIT)) == 0) { tmp = false; break ; } if(tmp) { ecstate = 0; gSysRunning.m_gWorkStatus = SYS_WORKING_IDLE_STATUS; printf(“xenomai SYS_WORKING_IDLE_STATUSn”); } } }break; default: { cur_status = EC_READ_U16(domainInput_pd + status); if (!(cycle_counter % 1000)) { printf(“curpos = %dt”,curpos); printf(“actpos.。. %dn”,EC_READ_S32(domainInput_pd + actpos)); } curpos += 10000; EC_WRITE_S32(domainOutput_pd + ipData, curpos); }break; } // write application time to master ecrt_master_application_time(master, system_time_ns()); ecrt_master_sync_reference_clock(master); ecrt_master_sync_slave_clocks(master); // send process data ecrt_domain_queue(domainServoOutput); ecrt_domain_queue(domainServoInput); ecrt_master_send(master); } /****************************************************************************/ void InterpolationThread(void *arg) { RTIME wait, previous; previous = rt_timer_read(); wait = previous; while (run) { wait += 1000000; //1ms //Delay the calling task (absolute).Delay the execution of the calling task until a given date is reached. rt_task_sleep_until(wait); DriverEtherCAT(); } } /**************************************************************************** * Signal handler ***************************************************************************/ void signal_handler(int sig) { run = 0; } /**************************************************************************** * Main function ***************************************************************************/ int main(int argc, char *argv[]) { int ret; /* Perform auto-init of rt_print buffers if the task doesn‘t do so */ rt_print_auto_init(1); signal(SIGTERM, signal_handler); signal(SIGINT, signal_handler); mlockall(MCL_CURRENT | MCL_FUTURE); gSysRunning.m_gWorkStatus = SYS_WORKING_POWER_ON; if(gSysRunning.m_gWorkStatus == SYS_WORKING_POWER_ON) { ActivateMaster(); ecstate = 0; gSysRunning.m_gWorkStatus = SYS_WORKING_SAFE_MODE; printf(“xenomai SYS_WORKING_SAFE_MODEn”); } ret = rt_task_create(&InterpolationTask, “InterpolationTask”, 0, 99, T_FPU); if (ret 《 0) { fprintf(stderr, “xenomai Failed to create task: %sn”, strerror(-ret)); return -1; } printf(“Starting InterpolationTask.。.n”); ret = rt_task_start(&InterpolationTask, &InterpolationThread, NULL); if (ret 《 0) { fprintf(stderr, “xenomai Failed to start task: %sn”, strerror(-ret)); return -1; } while (run) { rt_task_sleep(50000000); } printf(“xenomai Deleting realtime InterpolationTask task.。.n”); rt_task_delete(&InterpolationTask); ReleaseMaster(); return 0; } |
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