this is program for mbed ,to relay MCUcomm data to servo

Dependencies:   Servo mbed

Revision:
1:0fe52e356d01
Parent:
0:09bf8e3091e8
--- a/main.cpp	Wed Nov 28 17:12:00 2012 +0000
+++ b/main.cpp	Wed Dec 05 15:13:57 2012 +0000
@@ -1,23 +1,23 @@
 #include "mbed.h"
 #include "Servo.h"
 #include "command.h"
-#include "iSerial.h"
 
 #define MAX_DATA 1800
 #define TIME_INTERRAPUT_US 16000
 
-#define targetPosition_COMMAND 0x64
-#define SET_targetPosition_COMMAND 0x67
+#define TARGETPOSITION_COMMAND 0x64
+#define SET_TARGETPOSITION_COMMAND 0x67
 #define SERVO_MOVE_COMMAND 0x58
-#define POWER_ONOFF_COMMAND 0x59
+#define POWER_ON_COMMAND 0x59
+#define POWER_OFF_COMMAND 0x5A
 #define SENDDATA_COMMAND 0x05
 #define INIT_COMMAND 0x66
 
-#define targetPosition_BYTE 7
+#define TARGETPOSITION_BYTE 7
+#define INIT_BYTE 6
 #define SERVO_MOVE_BYTE 3
 #define POWER_ONOFF_BYTE 3
 #define SENDDATA_BYTE 3
-#define INIT_BYTE 6
 
 #define ACK 0x06
 #define NACK 0x15
@@ -42,13 +42,15 @@
 AnalogIn ain5(p19);
 AnalogIn ain6(p20);
 
+I2C i2c(p9,p10);
+
 typedef struct{
     short int target;
     short int preTarget;
     long perTime;
     bool moveFlag;
     int resolution;
-    double positionNow;
+    int positionNow;
 }servo_t;
 servo_t servo[7];
 
@@ -56,7 +58,7 @@
     for(int it=1;it<7;it++){
         if(servo[it].moveFlag==true){
             servo[it].positionNow+=servo[it].resolution;
-            if((servo[it].target-servo[it].preTarget > 0 && servo[it].positionNow-servo[it].target >= 0) || (servo[it].target-servo[it].preTarget < 0 && servo[it].positionNow-servo[it].target <= 0)){
+            if((servo[it].target-servo[it].preTarget > 0 && servo[it].positionNow-servo[it].target > 0) || (servo[it].target-servo[it].preTarget < 0 && servo[it].positionNow-servo[it].target < 0)){
                  servo[it].moveFlag=false;
                  servo[it].preTarget = servo[it].target;
                  servo[it].positionNow = servo[it].target;
@@ -70,22 +72,22 @@
             }
             switch(it){
                case 1:
-                 servo1=servo[it].positionNow/MAX_DATA;
+                 servo1=(double)servo[it].positionNow/MAX_DATA;
                  break;
                case 2:
-                 servo2=servo[it].positionNow/MAX_DATA;
+                 servo2=(double)servo[it].positionNow/MAX_DATA;
                  break;
                case 3:
-                 servo3=servo[it].positionNow/MAX_DATA;
+                 servo3=(double)servo[it].positionNow/MAX_DATA;
                  break;
                case 4:
-                 servo4=servo[it].positionNow/MAX_DATA;
+                 servo4=(double)servo[it].positionNow/MAX_DATA;
                  break;
                case 5:  
-                 servo5=servo[it].positionNow/MAX_DATA;
+                 servo5=(double)servo[it].positionNow/MAX_DATA;
                  break;
                case 6:
-                 servo6=servo[it].positionNow/MAX_DATA;
+                 servo6=(double)servo[it].positionNow/MAX_DATA;
                  break;
             }
         }
@@ -96,8 +98,15 @@
 int main() {
     device.baud(115200);
     flipper.attach_us(&flip, TIME_INTERRAPUT_US);
+//    i2c.frequency(40000);
+    char cmd[6];
+    char add[1];
+    char init[2];
+    add[0] = 0x01;
+    init[0] = 0x2A;
+    init[1] = 0x01;
+//    while(i2c.write(0x3A,init,2));
 
-//    flag=false;
     for(int it=0;it<7;it++){
         servo[it].target=900;
         servo[it].perTime=0;
@@ -110,19 +119,16 @@
     myLed1=0;
     myLed2=0;
     myLed3=0;
-
-    
     int valueNumber=0;
     int id=0;
     int command=0;
     int getValue=0;
     int checkSum=0;
-
+    
     while(1){
         if(device.readable()){
             valueNumber++;
-            getValue = device.getc();            
-            
+            getValue = device.getc();                        
             switch(valueNumber){
                 case 1: //get ID
                   id = getValue;
@@ -137,15 +143,33 @@
                 case 5:
                 case 6:
                 case 7:
-
                 //servo_move_command
                 if(command == SERVO_MOVE_COMMAND){
                      if((valueNumber == SERVO_MOVE_BYTE && (checkSum & 0x0FF) == getValue)  || valueNumber < SERVO_MOVE_BYTE){
                            if(0 < id && id < 7){
-                               servo[id].moveFlag = true;
+                               if(servo[id].moveFlag == true)
+                                    servo[id].preTarget = servo[id].positionNow;
+                               servo[id].resolution = (servo[id].target-servo[id].preTarget)/(servo[id].perTime/(TIME_INTERRAPUT_US/1000.00000));
+                               if(servo[id].resolution != 0){
+                                   servo[id].moveFlag = true;
+                                   if(id == 1)
+                                        myLed1 = 1;
+                                   else if(id == 2)
+                                        myLed2 = 2;
+                                   else if(id == 3)
+                                        myLed3 = 3;
+                               }
                            }else if(id == 0x0FE){
                                for(int it=1; it<7; it++){
-                                   servo[it].moveFlag = true;                               
+                                   if(servo[it].resolution != 0){
+                                       servo[it].moveFlag = true;
+                                        if(it == 1)
+                                            myLed1 = 1;
+                                        else if(it == 2)
+                                            myLed2 = 2;
+                                        else if(it == 3)
+                                             myLed3 = 3;
+                                   }
                                }
                            }
                            if(valueNumber == SERVO_MOVE_BYTE){
@@ -164,9 +188,16 @@
                 //senddata command check
                 if(command == SENDDATA_COMMAND){
                      if((valueNumber == SENDDATA_BYTE && (checkSum & 0xFF) == getValue)  || valueNumber < SENDDATA_BYTE){
-                           int send_data = 0;
+                          myLed1 = 1;
+
+/*                         i2c.write(0x3A,add,1);
+                           i2c.read(0x3A,cmd,6);
+                           */
+
+                           int send_data;
                            switch(id){
                            case 1:  //x
+//                               myLed1 = 1;
                                send_data = ain1.read_u16();
                                device.putc(send_data >> 8);
                                device.putc(send_data & 0xFF);
@@ -197,12 +228,57 @@
                                device.putc(send_data & 0xFF);
                                break;                                                              
                            default:
+                               device.putc(0);   
+                               device.putc(0);   
                                device.putc(id);   
                                device.putc(NACK);  //NACK
                                valueNumber = 0;
                                break;
                            }
-                           if(valueNumber == SENDDATA_BYTE){
+                           
+                           if(valueNumber == SENDDATA_BYTE && id<=6){
+                               device.putc(id);   
+                               device.putc(ACK);  //ACK                           
+                               valueNumber = 0;
+                           }
+                      }else{
+                           device.putc(0);   
+                           device.putc(0);   
+                           device.putc(id);   
+                           device.putc(NACK);  //NACK                       
+                           valueNumber = 0;
+                      }
+                }
+                  
+                //power_onoff command check
+                if(command == POWER_ON_COMMAND){
+                     if((valueNumber == POWER_ONOFF_BYTE && (checkSum & 0xFF) == getValue)  || valueNumber < POWER_ONOFF_BYTE){
+                           switch(id){
+                           case 1:
+                               servo1.on();
+                               break;
+                           case 2:
+                               servo2.on();
+                               break;
+                           case 3:
+                               servo3.on();
+                               break;
+                           case 4:
+                               servo4.on();
+                               break;
+                           case 5:
+                               servo5.on();
+                               break;
+                           case 6:
+                               servo6.on();
+                               break;
+                           default :
+                               device.putc(id);   
+                               device.putc(NACK);  //NACK
+                               valueNumber = 0;
+                               break;
+                           }
+                           if(valueNumber == POWER_ONOFF_BYTE){
                                device.putc(id);   
                                device.putc(ACK);  //ACK                           
                                valueNumber = 0;
@@ -212,29 +288,29 @@
                            device.putc(NACK);  //NACK                       
                            valueNumber = 0;
                       }
-                }
-                  
+                 }
+
                 //power_onoff command check
-                if(command == POWER_ONOFF_COMMAND){
+                if(command == POWER_OFF_COMMAND){
                      if((valueNumber == POWER_ONOFF_BYTE && (checkSum & 0xFF) == getValue)  || valueNumber < POWER_ONOFF_BYTE){
                            switch(id){
                            case 1:
-                               servo1.onOff();
+                               servo1.off();
                                break;
                            case 2:
-                               servo2.onOff();
+                               servo2.off();
                                break;
                            case 3:
-                               servo3.onOff();
+                               servo3.off();
                                break;
                            case 4:
-                               servo4.onOff();
+                               servo4.off();
                                break;
                            case 5:
-                               servo5.onOff();
+                               servo5.off();
                                break;
                            case 6:
-                               servo6.onOff();
+                               servo6.off();
                                break;
                            default :
                                device.putc(id);   
@@ -295,8 +371,8 @@
                  }
 
                 //move command check
-                 if(command == targetPosition_COMMAND || command == SET_targetPosition_COMMAND){
-                       if((valueNumber == targetPosition_BYTE && (checkSum & 0xFF) == getValue) || valueNumber < targetPosition_BYTE){
+                 if(command == TARGETPOSITION_COMMAND || command == SET_TARGETPOSITION_COMMAND){
+                       if((valueNumber == TARGETPOSITION_BYTE && (checkSum & 0xFF) == getValue) || valueNumber < TARGETPOSITION_BYTE){
                             switch(id){
                             case 1:
                                 servo1.targetPosition(valueNumber,getValue);
@@ -329,20 +405,23 @@
                                 servo[id].perTime = servo6.getTime();
                                 break;
                             }
-                            if(valueNumber == targetPosition_BYTE){
+                            if(valueNumber == TARGETPOSITION_BYTE){
                                 device.putc(id);   
                                 device.putc(ACK);  //ACK
-                                servo[id].resolution = (servo[id].target-servo[id].preTarget)/(servo[id].perTime/(TIME_INTERRAPUT_US/1000.00));
-                                if(command == targetPosition_COMMAND){
-                                    servo[id].moveFlag = true;
-                                     if(id == 1){
-                                         myLed1 = 1;
-                                     }else if(id == 2){
-                                         myLed2 = 2;
-                                     }else if(id == 3){
-                                         myLed3 = 3;
-                                     }
-                                }else if(command == SET_targetPosition_COMMAND){
+                                    
+                                if(command == TARGETPOSITION_COMMAND){
+                                    if(servo[id].moveFlag == true)
+                                        servo[id].preTarget = servo[id].positionNow;
+                                    servo[id].resolution = (servo[id].target-servo[id].preTarget)/(servo[id].perTime/(TIME_INTERRAPUT_US/1000.00000));
+                                    if(servo[id].resolution != 0){
+                                        servo[id].moveFlag = true;
+                                        if(id == 1)
+                                            myLed1 = 1;
+                                        else if(id == 2)
+                                            myLed2 = 2;
+                                        else if(id == 3)
+                                             myLed3 = 3;
+                                    }
                                 }
                                 valueNumber = 0;
                             }