]> rtime.felk.cvut.cz Git - eurobot/public.git/blobdiff - src/cand/cand.cc
cand: Fix bug with power alert handling.
[eurobot/public.git] / src / cand / cand.cc
index 0420865df595ed7c8d2e876381f417430412b270..dc3920e016159b0bd81cb880cc6ed057f469d8c1 100644 (file)
@@ -1,9 +1,10 @@
-/*
- * cand_eb2007.cc                      08/04/07
- *
- * CAN daemon for the Eurobot 2007 competition.
- *
- * Copyright: (c) 2007 DCE Eurobot Dragon Team
+/**
+ * @file   cand.cc
+ * @date   08/04/08
+ * 
+ * @brief  CAN-ORTE bridge
+ * 
+ * Copyright: (c) 2008 CTU Dragons
  *            CTU FEE - Department of Control Engineering
  * License: GNU GPL v.2
  */
 #include <config.h>
 #endif
 
+#include <cstring>
 #include <iostream>
 #include <cstdlib>
 #include <sys/socket.h>
 #include <sys/ioctl.h>
 #include <fcntl.h>
+#include <poll.h>
 
-#include "af_can.h"
-#include "lib.h"
+#include <af_can.h>
+#include <canutils.h>
 
 #include <can_ids.h>
+#include <can_msg_masks.h>
+#include <can_msg_def.h>
 #include <sharp.h>
 #include <orte.h>
-#include <roboorte_eb2007.h>
-
+#include <roboorte_robottype.h>
+#include <can_msg_masks.h>
 #include "cand.h"
 
 int cand_init()
@@ -36,7 +41,7 @@ int cand_init()
        }
 
        can_addr.can_family = AF_CAN;
-       strcpy(can_ifreq.ifr_name, "can0");
+       std::strcpy(can_ifreq.ifr_name, "can0");
 
        if (ioctl(sock, SIOCGIFINDEX, &can_ifreq) < 0) {
                perror("cand: SIOCGIFINDEX");
@@ -58,47 +63,81 @@ int cand_init()
        return 0;
 }
 
-int set_motor_speed(struct orte_data *orte_data)
+int set_pwr_ctrl(struct robottype_orte_data *orte_data)
+{
+       unsigned char data=0;
+       if(orte_data->pwr_ctrl.voltage33)
+               data |= CAN_PWR_CTRL_33_ON;
+       else
+               data |= CAN_PWR_CTRL_33_OFF;
+
+       if(orte_data->pwr_ctrl.voltage50)
+               data |= CAN_PWR_CTRL_50_ON;
+       else
+               data |= CAN_PWR_CTRL_50_OFF;
+
+       if(orte_data->pwr_ctrl.voltage80)
+               data |= CAN_PWR_CTRL_80_ON;
+       else
+               data |= CAN_PWR_CTRL_80_OFF;
+
+       can_send(CAN_PWR, 1, &data);
+
+       return 0;
+}
+
+int send_can_msg(struct robottype_orte_data *orte_data)
+{
+       return can_send(orte_data->can_msg.id, orte_data->can_msg.len, orte_data->can_msg.data);
+}
+
+int set_motor_speed(struct robottype_orte_data *orte_data)
 {
        unsigned char data[4];
 
-       data[0] = orte_data->motion_speed.left >> 8;
-       data[1] = orte_data->motion_speed.left & 0xff;
-       data[2] = orte_data->motion_speed.right >> 8;
-       data[3] = orte_data->motion_speed.right & 0xff;
+       data[0] = orte_data->motion_speed.right >> 8;
+       data[1] = orte_data->motion_speed.right & 0xff;
+       data[2] = orte_data->motion_speed.left >> 8;
+       data[3] = orte_data->motion_speed.left & 0xff;
        can_send(CAN_MOTION_CMD, 4, data);
 
-       /*printf("data: ");
-       for (int i=0; i< 4; i++) {
-               printf("%02x ",data[i]);
-       }
-       printf("\n");*/
-
        return 0;
 }
 
-int set_serva(struct orte_data *orte_data)
+int set_jaws_cmd(struct robottype_orte_data *orte_data)
 {
-       unsigned char data[6];
+       unsigned char data[3];
 
-       data[5] = orte_data->servos.backDoor;
-       data[1] = orte_data->servos.frontDoor;
-       data[2] = orte_data->servos.transporterFront;
-       data[3] = orte_data->servos.transporterInner;
-       data[4] = orte_data->servos.innerDoor;
-       data[0] = orte_data->servos.release;
-       can_send(CAN_SERVO, 6, data);
+       data[0] = orte_data->jaws_cmd.req_pos.left >> 8;
+       data[1] = orte_data->jaws_cmd.req_pos.left & 0xff;
+       data[2] = orte_data->jaws_cmd.speed.left;
+       can_send(CAN_JAW_LEFT_CMD, 3, data);
 
-       /*for(int i=0; i<6; i++) 
-               printf("data %d = 0x%x\n", i, data[i]);*/
+       data[0] = orte_data->jaws_cmd.req_pos.right >> 8;
+       data[1] = orte_data->jaws_cmd.req_pos.right & 0xff;
+       data[2] = orte_data->jaws_cmd.speed.right;
+       can_send(CAN_JAW_RIGHT_CMD, 3, data);
 
        return 0;
 }
 
+int set_lift_cmd(struct robottype_orte_data *orte_data)
+{
+       unsigned char data[4];
+
+       data[0] = orte_data->lift_cmd.req_pos >> 8;
+       data[1] = orte_data->lift_cmd.req_pos & 0xff;
+       data[2] = orte_data->lift_cmd.speed;
+        data[3] = orte_data->lift_cmd.homing;
+       can_send(CAN_LIFT_CMD, 4, data);
+
+        return 0;
+}
+
 int can_send(canid_t id, unsigned char length, unsigned char *data)
 {
        struct can_frame frame;
-       int size;
+       size_t size;
 
        frame.can_id = id;
        frame.can_dlc = length;
@@ -114,201 +153,162 @@ int can_send(canid_t id, unsigned char length, unsigned char *data)
                return 1;
        }
 
-       /*
-       printf("write returned %d\n", size);
-       printf("finnished can send\n");
-       */
-
        return 0;
 }
 
 /**
  * Parse frame ID and react as required
  */
-int cand_parse_frame(struct orte_data *orte, struct can_frame frame)
+void cand_parse_frame(struct robottype_orte_data *orte, struct can_frame frame)
 {
-       int status_cnt = 0;
-       int adc1_cnt = 0;
-       int adc2_cnt = 0;
-       int adc3_cnt = 0;
-       int ir_cnt = 0;
-       unsigned short *las_meas;
-       int las_mi, las_di, las_bcnt;
-       int i;
+       static int status_cnt = 0;
 
        switch(frame.can_id) {
+               /* robot commands (start, ..) */
+               case CAN_JAW_LEFT_STATUS:
+                       orte->jaws_status.act_pos.left = (frame.data[0] << 8) | frame.data[1];
+                       orte->jaws_status.response.left = (frame.data[2] << 8) | frame.data[3];
+                       orte->jaws_status.flags.left = frame.data[4];
+                       ORTEPublicationSend(orte->publication_jaws_status);
+                       break;
+                case CAN_JAW_RIGHT_STATUS:
+                        orte->jaws_status.act_pos.right = (frame.data[0] << 8) | frame.data[1];
+                        orte->jaws_status.response.right = (frame.data[2] << 8) | frame.data[3];
+                        orte->jaws_status.flags.right = frame.data[4];
+                        ORTEPublicationSend(orte->publication_jaws_status);
+                break;
+                case CAN_LIFT_STATUS:
+                        orte->lift_status.act_pos = (frame.data[0] << 8) | frame.data[1];
+                        orte->lift_status.response = (frame.data[2] << 8) | frame.data[3];
+                        orte->lift_status.flags = frame.data[4];
+                        ORTEPublicationSend(orte->publication_lift_status);
+                break;
+               case CAN_ROBOT_CMD:
+                       orte->robot_cmd.start_condition = frame.data[0];
+                       ORTEPublicationSend(orte->publication_robot_cmd);
+                       break;
+               case CAN_ROBOT_SWITCHES:
+                       orte->robot_switches.team_color = (frame.data[0] & CAN_SWITCH_COLOR) ? 1 : 0;
+                       orte->robot_switches.strategy = (frame.data[0] & CAN_SWITCH_STRATEGY ? 1 : 0);
+                       ORTEPublicationSend(orte->publication_robot_switches);
+                       break;
+               case CAN_ROBOT_BUMPERS:
+                       orte->robot_bumpers.bumper_left = (frame.data[0] & CAN_BUMPER_LEFT) ? 0 : 1;
+                       orte->robot_bumpers.bumper_left_across = (frame.data[0] & CAN_BUMPER_LEFT_ACROSS) ? 0 : 1;
+                       orte->robot_bumpers.bumper_right = (frame.data[0] & CAN_BUMPER_RIGHT) ? 0 : 1;
+                       orte->robot_bumpers.bumper_right_across = (frame.data[0] & CAN_BUMPER_RIGHT_ACROSS) ? 0 : 1;
+                       orte->robot_bumpers.bumper_rear_left = (frame.data[0] & CAN_BUMPER_REAR_LEFT) ? 0 : 1;
+                       orte->robot_bumpers.bumper_rear_right = (frame.data[0] & CAN_BUMPER_REAR_RIGHT) ? 0 : 1;
+                       ORTEPublicationSend(orte->publication_robot_bumpers);
+               break;
+
+               /* positioning by odometry */
+               case CAN_ODO_DATA:
+                       orte->odo_data.right =
+                                       ((frame.data[0]<<24)|
+                                        (frame.data[1]<<16)|
+                                        (frame.data[2]<<8));
+                       orte->odo_data.left =
+                                       ((frame.data[3]<<24)|
+                                        (frame.data[4]<<16)|
+                                        (frame.data[5]<<8));
+                       ORTEPublicationSend(orte->publication_odo_data);
+                       break;
+
                /* positioning by odometry */
                case CAN_MOTION_ODOMETRY_SIMPLE:
-                       orte->motion_position.left = 
-                                       ((frame.data[0]<<24)|(frame.data[1]<<16)|
-                                       (frame.data[2]<<8)|(frame.data[3]));
-                       orte->motion_position.right = 
-                                       ((frame.data[4]<<24)|(frame.data[5]<<16)|
-                                        (frame.data[6]<<8)|(frame.data[7]));
-                       ORTEPublicationSend(orte->publicationMotionPos);
+                       orte->motion_irc.left =
+                                       ((frame.data[0]<<24)|
+                                        (frame.data[1]<<16)|
+                                        (frame.data[2]<<8));
+                       orte->motion_irc.right =
+                                       ((frame.data[3]<<24)|
+                                        (frame.data[4]<<16)|
+                                        (frame.data[5]<<8));
+                       orte->motion_irc.seq = frame.data[6];
+                       ORTEPublicationSend(orte->publication_motion_irc);
                        break;
 
                /* motion status */
                case CAN_MOTION_STATUS:
-                       orte->motion_status.err_left = 
+                       orte->motion_status.err_left =
                                        (frame.data[0]<<8)|(frame.data[1]);
-                       orte->motion_status.err_right = 
+                       orte->motion_status.err_right =
                                        (frame.data[2]<<8)|(frame.data[3]);
-                       if(++status_cnt == 5) {
-                               ORTEPublicationSend(orte->publicationMotionStatus);
+                       if(++status_cnt == 2) { // h8eurobot sends duplicite can messages
+                               ORTEPublicationSend(orte->publication_motion_status);
                                status_cnt = 0;
                        }
-                       /*
-                       if(ms.err_left || ms.err_right) 
-                               printf("MOTOR STATUS: left 0x%x, right 0x%x\n",
-                                               ms.err_left, ms.err_right);
-                       */
                        break;
-
-               /* long sharps */
-               case CAN_ADC_1:
-                       /* TODO: zkontrolovat, zda hodnoty jsou spravne v mm !! */
-                       orte->sharps_oponent.longSharpDist1 = 
-                               s_ir2mmLong((frame.data[0]<<8)|(frame.data[1]))/1000.0;
-                       orte->sharps_oponent.longSharpDist2 = 
-                               s_ir2mmLong((frame.data[2]<<8)|(frame.data[3]))/1000.0;
-                       orte->sharps_oponent.longSharpDist3 = 
-                               s_ir2mmLong((frame.data[4]<<8)|(frame.data[5]))/1000.0;
-                       orte->front_door.state = (frame.data[6]<<8)|frame.data[7];
-                       
-                       if(++adc1_cnt == 5) {
-                               ORTEPublicationSend(orte->publicationSharp1); 
-                               adc1_cnt = 0;
-                       }
+                /* voltage measurements from power board */
+               case CAN_PWR_ADC1:
+                       double volt33, voltBAT;
+                       voltBAT = ((frame.data[0] << 24) | (frame.data[1] << 16) | \
+                                (frame.data[2] << 8) | (frame.data[3]))/10000.0;
+                       volt33 = ((frame.data[4] << 24) | (frame.data[5] << 16) | \
+                                (frame.data[6] << 8) | (frame.data[7]))/10000.0;
+                       orte->pwr_voltage.voltage33 = volt33;
+                       orte->pwr_voltage.voltageBAT = voltBAT;
                        break;
 
-               /* short sharps */
-               case CAN_ADC_2:
-                       orte->sharps_waste.short1 = (frame.data[0]<<8)|(frame.data[1]);
-                       orte->sharps_waste.short2 = (frame.data[2]<<8)|(frame.data[3]);
-                       orte->sharps_waste.short3 = (frame.data[4]<<8)|(frame.data[5]);
-                       orte->sharps_waste.short4 = (frame.data[6]<<8)|(frame.data[7]);
-                       
-                       if(++adc2_cnt == 5) {
-                               ORTEPublicationSend(orte->publicationSharp2); 
-                               adc2_cnt = 0;
-                       }
-                       break;
+               case CAN_PWR_ADC2:
+                       double volt80, volt50;
+                       volt50 = ((frame.data[0] << 24) | (frame.data[1] << 16) | \
+                                (frame.data[2] << 8) | (frame.data[3]))/10000.0;
+                       volt80 = ((frame.data[4] << 24) | (frame.data[5] << 16) | \
+                                (frame.data[6] << 8) | (frame.data[7]))/10000.0;
+                       orte->pwr_voltage.voltage80 = volt80;
+                       orte->pwr_voltage.voltage50 = volt50;
 
-               /* sharps */
-               case CAN_ADC_3:
-                       orte->adcs.sharpLong1 = (frame.data[0]);
-                       orte->adcs.sharpLong2 = (frame.data[1]);
-                       orte->adcs.sharpLong3 = (frame.data[2]);
-                       orte->adcs.sharpShort1 = (frame.data[3]);
-                       orte->adcs.sharpShort2 = (frame.data[4]);
-                       orte->adcs.sharpShort3 = (frame.data[5]);
-                       orte->adcs.sharpShort4 = (frame.data[6]);
-                       orte->adcs.frontDoor = (frame.data[7]);
+                       ORTEPublicationSend(orte->publication_pwr_voltage);
                        
-                       if(++adc3_cnt == 5) {
-                               ORTEPublicationSend(orte->publicationAdcs);
-                               adc3_cnt = 0;
-                       }
                        break;
 
-               /* IR inner sensors */
-               case CAN_IR:
-                       orte->inner_ir.front = frame.data[1];
-                       orte->inner_ir.back = frame.data[0]; 
-                       ORTEPublicationSend(orte->publicationIR);
+                case CAN_PWR_ALERT:
+                        orte->pwr_alert.alert_33 = (frame.data[0] & CAN_PWR_ALERT_33 ? 1 : 0);
+                        orte->pwr_alert.alert_50 = (frame.data[0] & CAN_PWR_ALERT_50 ? 1 : 0);
+                        orte->pwr_alert.alert_80 = (frame.data[0] & CAN_PWR_ALERT_80 ? 1 : 0);
+                        orte->pwr_alert.bat_full = (frame.data[0] & CAN_PWR_BATT_FULL ? 1 : 0);
+                        orte->pwr_alert.bat_mean = (frame.data[0] & CAN_PWR_BATT_MEAN ? 1 : 0);
+                        orte->pwr_alert.bat_low = (frame.data[0] & CAN_PWR_BATT_LOW ? 1 : 0);
+                        orte->pwr_alert.bat_critical = (frame.data[0] & CAN_PWR_BATT_CRITICAL ? 1 : 0);
 
-                       orte->dig_in.state = frame.data[2];
-                       if(++ir_cnt == 5) {
-                               ORTEPublicationSend(orte->publicationDI);
-                               ir_cnt = 0;
-                       }
-                       break;
+                        ORTEPublicationSend(orte->publication_pwr_alert);
+                        break;
 
-               /* laser data */
-               case CAN_LAS1:
-                       printf("CAN: ");
-                       for (i=0; i<frame.can_dlc; i++) {
-                               printf("0x%02x ", frame.data[i]);
-                       }
-                       printf("can_dlc=%d\n", frame.can_dlc);
-                       orte->laser.cnt = frame.data[1];
-                       las_bcnt = orte->laser.cnt;
-                       last_id = frame.data[0];
-                       las_di = 4;
-                       /* rotation period */
-                       orte->laser.period = (frame.data[2]<<8)|(frame.data[3]);
-                       printf("CAN ID=0x%02x: cnt=%d period=%d measures: ", 
-                                       frame.can_id, orte->laser.cnt, orte->laser.period);
-
-                       for (las_mi=0; las_mi<(frame.can_dlc-4)/2; las_mi++) {
-                               switch (las_mi) {
-                                       case 0: las_meas = &orte->laser.measures0; break;
-                                       case 1: las_meas = &orte->laser.measures1; break;
-                                       default: break;
-                               }
-                               *las_meas = 
-                                       (frame.data[las_di++]<<8)|(frame.data[las_di++]);
-                               printf("0x%02x 0x%02x %u ", 
-                                       frame.data[las_di-2], frame.data[las_di-1], *las_meas);
-                       }
-                       printf("\n");
-                       break;
-               case CAN_LAS2:
-               case CAN_LAS3:
-               case CAN_LAS4:
-                       printf("CAN: ");
-                       for (i=0; i<frame.can_dlc; i++) {
-                               printf("0x%02x ", frame.data[i]);
-                       }
-                       printf("can_dlc=%d\n", frame.can_dlc);
-                       printf("CAN ID=0x%02x: cnt=%d period=%d measures: ", 
-                               frame.can_id, orte->laser.cnt, orte->laser.period);
-                       if (frame.data[0] != (last_id+(frame.can_id-CAN_LAS1)))
-                               break;
-                       las_di = 2;
-                       while (las_di < 8 && las_bcnt > 0) {
-                               switch (las_mi) {
-                                       case 2: las_meas = &orte->laser.measures2; break;
-                                       case 3: las_meas = &orte->laser.measures3; break;
-                                       case 4: las_meas = &orte->laser.measures4; break;
-                                       case 5: las_meas = &orte->laser.measures5; break;
-                                       case 6: las_meas = &orte->laser.measures6; break;
-                                       case 7: las_meas = &orte->laser.measures7; break;
-                                       case 8: las_meas = &orte->laser.measures8; break;
-                                       case 9: las_meas = &orte->laser.measures9; break;
-                                       default: break;
-                               }
-                               *las_meas = 
-                                       (frame.data[las_di++]<<8)|(frame.data[las_di++]);
-                               printf("0x%02x 0x%02x %u ", 
-                                       frame.data[las_di-2], frame.data[las_di-1], *las_meas);
-                               las_mi++;
-                               las_bcnt--;
-                       }
-                       printf("\n");
-                       if (las_bcnt == 0) {
-                               printf("ORTEPublicationSend()\n");
-                               ORTEPublicationSend(orte->publicationLaser);
-                       }
-                       break;
                default:
+                       //FIXME: add logging here (Filip)
 //                     printf("received CAN msg with unknown id: %x\n",frame.can_id);
                        break;
        }
 }
 
-void rcv_servos_cb (const ORTERecvInfo *info, void *vinstance, 
+void rcv_pwr_ctrl_cb (const ORTERecvInfo *info, void *vinstance, 
                        void *recvCallBackParam) 
 {
-       struct orte_data *orte_data = (struct orte_data *)recvCallBackParam;
+       struct robottype_orte_data *orte_data = (struct robottype_orte_data *)recvCallBackParam;
 
        switch (info->status) {
                case NEW_DATA:
-                       set_serva(orte_data);   
+                       set_pwr_ctrl(orte_data);
                        break;
                case DEADLINE:
-                       printf("ORTE deadline occurred - servo receive\n");
+                       //printf("ORTE deadline occurred - PWR_CTRL receive\n");
+                       break;
+       }
+}
+
+void rcv_can_msg_cb (const ORTERecvInfo *info, void *vinstance, 
+                       void *recvCallBackParam) 
+{
+       struct robottype_orte_data *orte_data = (struct robottype_orte_data *)recvCallBackParam;
+
+       switch (info->status) {
+               case NEW_DATA:
+                       send_can_msg(orte_data);
+                       break;
+               case DEADLINE:
+                       //printf("ORTE deadline occurred - PWR_CTRL receive\n");
                        break;
        }
 }
@@ -316,15 +316,18 @@ void rcv_servos_cb (const ORTERecvInfo *info, void *vinstance,
 void rcv_motion_speed_cb(const ORTERecvInfo *info, void *vinstance, 
                                void *recvCallBackParam)
 {
-       struct orte_data *orte_data = (struct orte_data *)recvCallBackParam;
+       struct robottype_orte_data *orte_data = (struct robottype_orte_data *)recvCallBackParam;
 
        switch (info->status) {
                case NEW_DATA:
+                       /* reversing motion direction, as it is different, than last year */
+                       orte_data->motion_speed.left *= 1;
+                       orte_data->motion_speed.right *= 1;
                        set_motor_speed(orte_data);
                        /*printf("motor cmd received\n");*/
                        break;
                case DEADLINE:
-                       printf("motor cmd deadline occurred, stopping motors\n");
+                       //printf("motor cmd deadline occurred, stopping motors\n");
                        orte_data->motion_speed.left = 0;
                        orte_data->motion_speed.right = 0;
                        set_motor_speed(orte_data);
@@ -332,14 +335,40 @@ void rcv_motion_speed_cb(const ORTERecvInfo *info, void *vinstance,
        }
 }
 
+void rcv_jaws_cmd_cb(const ORTERecvInfo *info, void *vinstance,
+                     void *recvCallBackParam)
+{
+       struct robottype_orte_data *orte_data = (struct robottype_orte_data *)recvCallBackParam;
+
+       switch (info->status) {
+               case NEW_DATA:
+                       set_jaws_cmd(orte_data);
+                       break;
+               case DEADLINE:
+                       break;
+       }
+}
+
+void rcv_lift_cmd_cb(const ORTERecvInfo *info, void *vinstance,
+                      void *recvCallBackParam)
+{
+       struct robottype_orte_data *orte_data = (struct robottype_orte_data *)recvCallBackParam;
+
+       switch (info->status) {
+               case NEW_DATA:
+                       set_lift_cmd(orte_data);
+                       break;
+               case DEADLINE:
+                       break;
+}
+}
+
 int main(int argc, char *argv[])
 {
-       fd_set read_fd_set;
-       struct timeval timeout;
        int ret;
        int size;
 
-       struct orte_data orte;
+       struct robottype_orte_data orte;
        struct can_frame frame;
 
        if (cand_init() < 0) {
@@ -349,31 +378,46 @@ int main(int argc, char *argv[])
                printf("cand: init OK\n");
        }
 
-       /* orte initialization */
-       roboorte_init(NULL, &orte);
-       /* publishers registration */
-       roboorte_register_publisher(&orte,
-                       ORTE_PUB_MOTSTAT | ORTE_PUB_POSITION |
-                       ORTE_PUB_FD | ORTE_PUB_IR |
-                       ORTE_PUB_SHARPLONG | ORTE_PUB_SHARPSHORT |
-                       ORTE_PUB_DI | ORTE_PUB_ADCS | ORTE_PUB_LASER);
-       /* subscribers registration */
-
-       orte.rcv_motion_speed_cb = rcv_motion_speed_cb;
-       orte.rcv_servos_cb = rcv_servos_cb;
-
-       roboorte_register_subscriber(&orte,
-                       ORTE_SUB_MOTOR | ORTE_SUB_SERVOS);
+       orte.strength = 1;
 
+       /* orte initialization */
+       if(robottype_roboorte_init(&orte)) {
+               printf("Roboorte initialization failed! Exiting...\n");
+               exit(-1);
+       }
+       else
+               printf("Roboorte OK\n");
+
+       /* creating publishers */
+       robottype_publisher_pwr_voltage_create(&orte, NULL, NULL);
+       robottype_publisher_motion_status_create(&orte, NULL, NULL);
+       robottype_publisher_odo_data_create(&orte, NULL, NULL);
+       robottype_publisher_motion_irc_create(&orte, NULL, NULL);
+       robottype_publisher_robot_cmd_create(&orte, NULL, NULL);
+       robottype_publisher_robot_switches_create(&orte, NULL, NULL);
+       robottype_publisher_robot_bumpers_create(&orte, NULL, NULL);
+       robottype_publisher_jaws_status_create(&orte, NULL, NULL);
+        robottype_publisher_lift_status_create(&orte, NULL, NULL);
+       printf("Publishers OK\n");
+
+       /* creating subscribers */
+       robottype_subscriber_pwr_ctrl_create(&orte, rcv_pwr_ctrl_cb, &orte);
+       robottype_subscriber_pwr_alert_create(&orte, rcv_pwr_alert_cb, &orte);
+       robottype_subscriber_motion_speed_create(&orte, rcv_motion_speed_cb, &orte);
+       robottype_subscriber_jaws_cmd_create(&orte, rcv_jaws_cmd_cb, &orte);
+        robottype_subscriber_lift_cmd_create(&orte, rcv_lift_cmd_cb, &orte);
+       robottype_subscriber_can_msg_create(&orte, rcv_can_msg_cb, &orte);
+
+
+       printf("subscribers OK\n");
+
+       /* main loop */
        for(;;) {
-               FD_ZERO(&read_fd_set);
-               FD_SET(sock, &read_fd_set);
-               timeout.tv_sec = 0;
-               timeout.tv_usec = 10000;
+               struct pollfd pfd[1] = {{sock, POLLIN, 0}};
 
-               ret = select(FD_SETSIZE, &read_fd_set, NULL, NULL, &timeout);
+               ret = poll(pfd, 1, -1);
                if (ret < 0) {
-                       perror("cand: select() error");
+                       perror("cand: poll() error");
                        goto err;
                }
 
@@ -381,19 +425,16 @@ int main(int argc, char *argv[])
                 if (ret == 0)
                         continue;
 
-                if (!FD_ISSET(sock, &read_fd_set))
-                        continue;
-
                /* read data from SocketCAN */
                size = read(sock, &frame, sizeof(struct can_frame));
 
                /* parse data */
-               cand_parse_frame(&orte, frame);
+               if (size > 0)
+                       cand_parse_frame(&orte, frame);
        }
+       return EXIT_SUCCESS;
 
 err:
        close(sock);
        return 1;
-out:
-       return EXIT_SUCCESS;
 }