serial.h

00001 #ifndef SERIAL_H
00002 #define SERIAL_H
00003 #include <channels.h>
00004 #include <Mutexes.h>
00005 #include <processes.h>
00006 
00007 #define UART1TX p9
00008 #define UART1RX p10
00009 
00010 Serial USB(USBTX, USBRX); // tx, rx
00011 Serial XB(UART1TX, UART1RX); // tx, rx
00012 Serial *OUT = &USB; //intially set to USB
00013 
00014 extern BusOut leds;
00015  void USB_serial() //signal RTOS event that RXinterrupt has been asserted
00016 {
00017     OS::TISRW ISRW;
00018     leds = 0x7;
00019     //char count = 0;
00020     //led3 = !led3;
00021     char temp = 0;    
00022     
00023     //leds = 0xa;
00024     if(true)//!Serial_Mutex.IsLocked())
00025     {
00026         //leds = 0xb;
00027         //Serial_Mutex.Lock();
00028         leds = 0xc;
00029         if(USB.readable())
00030         {
00031             temp = USB.getc(); 
00032             leds = 0xd;
00033 
00034             if(RX_channel.get_free_size() >0 ) //only push a character onto the channel if there is free space
00035             {    
00036                 //OUT = &USB;              
00037                 if(temp != '\n')
00038                 {                    
00039                     RX_channel.push(temp);
00040                     leds = 0xe;                    
00041                 }
00042                 else if(temp == '\n')
00043                 {                     
00044                     RX_channel.push('\0');                    
00045                 }
00046             }
00047             else USB.getc(); //start discarding characters!*/
00048          leds = 0xf;
00049          leds = 0xa;            
00050         }   
00051         leds = 0xb;
00052        //Serial_Mutex.Unlock();
00053        //Serial_Mutex.Lock();
00054        //if(USB.writeable())
00055         //USB.putc(temp);
00056            //Serial_Mutex.Unlock();
00057        leds = 0x1;
00058      }
00059      else USB.getc(); //start discarding characters!
00060         
00061    leds = 0x9;
00062 }
00063 
00064 /*void XB_serial() 
00065 {
00066     //led4 = !led4;
00067     char temp = 0;    
00068     OS::TISRW ISRW;
00069     if(!XB_Mutex.IsLocked())
00070     {
00071         XB_Mutex.Lock();
00072         while(XB.readable())
00073         {
00074             temp = XB.getc();  
00075             if(RX_channel.get_free_size() >0 ) //only push a character onto the channel if there is free space
00076             {                  
00077                 OUT = &XB;
00078                 if(temp != '\n')
00079                 {                    
00080                     RX_channel.push(temp);                    
00081                  }
00082                 else if(temp == '\n')
00083                 {
00084                     OUT = &XB;                        
00085                     RX_channel.push('\0');                    
00086                 }
00087             }
00088             else temp = XB.getc(); //otherwise, wait until another character is sent and try then
00089         }   
00090         XB_Mutex.Unlock();
00091      } 
00092          
00093    
00094 }*/
00095 
00096 #endif
00097