target.lst

在51上运行的小的OS系统

 100                  void Timer0_Exception(void)
 101          {
 102              T0IR = 0x01;
 103              VICVectAddr = 0;            //interrupt close 通知中断控制器中断结束
 104              OSTimeTick();
 105          }
 106          
 107          /*********************************************************************************************************
 108          ** Function name:            Timer0Init
 109          **
 110          ** Descriptions:            Initialize the Time0
 111          **
 112          ** input parameters:        None
 113          ** Returned value:            None
 114          **         
 115          ** Used global variables:    None
 116          ** Calling modules:            None
 117          **
 118          ** Created by:                Chenmingji
 119          ** Created Date:            2004/02/02
C51 COMPILER V8.08   TARGET                                                                08/04/2008 21:49:56 PAGE 4   

 120          **-------------------------------------------------------------------------------------------------------
 121          ** Modified by:
 122          ** Modified date:
 123          **------------------------------------------------------------------------------------------------------
 124          ********************************************************************************************************/
 125                  void Timer0Init(void)
 126          {
 127              T0IR = 0xffffffff;
 128              T0TC = 0;
 129              T0TCR = 0x01;
 130              T0MCR = 0x03;
 131              T0MR0 = (Fpclk / OS_TICKS_PER_SEC);
 132           }
 133          /*********************************************************************************************************
 134          ** Function name:            VICInit
 135          **
 136          ** Descriptions:            Initialize the Interrupt Vevtor Controller
 137          **
 138          ** input parameters:        None
 139          ** Returned value:            None
 140          **         
 141          ** Used global variables:    None
 142          ** Calling modules:            None
 143          **
 144          ** Created by:                Chenmingji
 145          ** Created Date:            2004/02/02
 146          **-------------------------------------------------------------------------------------------------------
 147          ** Modified by:
 148          ** Modified date:
 149          **------------------------------------------------------------------------------------------------------
 150          ********************************************************************************************************/
 151                  void VICInit(void)
 152          {
 153              extern void IRQ_Handler(void);
 154              extern void Timer0_Handler(void);
 155               extern void UART0_Handler(void);
 156              extern void I2C0_Handler(void);
 157              extern void SPI0_Handler(void);
 158              extern void EInt2_Handler(void);
 159              extern void Timer1_Handler(void);
 160              extern void SPI1_Handler(void);
 161          
 162              VICIntEnClr = 0xffffffff;
 163              VICDefVectAddr = (uint32)IRQ_Handler;
 164          
 165              VICVectAddr0 = (uint32)Timer0_Handler;
 166              VICVectCntl0 = (0x20 | 0x04);
 167              VICIntEnable = 1 << 4;
 168          
 169              VICVectCntl1 = 0x26;
 170              VICVectAddr1 = (uint32)UART0_Handler;
 171           /////    VICIntEnable=1<<0x06;        //    使能UART0中断
 172              
 173              VICVectCntl2=(0x20|0x09);//I2C 通道分配到IRQ Slot2
 174              //VICVectAddr2=(uint32)IRQ_I2C;//设置I2C中断向量
 175              VICVectAddr2 = (uint32)I2C0_Handler;
 176              VICIntEnable=(1<<9);//使能I2C中断
 177              
 178              VICVectCntl3 = (0x20 | 10);//SPI
 179              VICVectAddr3 = (uint32)SPI0_Handler;//
 180              
 181              VICVectCntl4 = (0x20|16);
C51 COMPILER V8.08   TARGET                                                                08/04/2008 21:49:56 PAGE 5   

 182              VICVectAddr4 = (uint32) EInt2_Handler;
 183              EXTPOLAR = 0;
 184              EXTMODE = 4;
 185              EXTINT = 4;
 186           /////    VICIntEnable = 1<<16;//外部中断2
 187              
 188              VICVectCntl5 = (0x20 | 5);
 189              VICVectAddr5 = (uint32) Timer1_Handler;
 190              T1TCR = 1;
 191          ////    VICIntEnable = 1 << 5;
 192              
 193              S0PINT = 1;//
 194          ////     VICIntEnable = (1 << 10);//
 195          
 196              SSPIMSC = 0;//DisableSPI1Interrupt();
 197              VICVectCntl6 = (0x20 | 11);
 198              VICVectAddr6 = (uint32) SPI1_Handler;
 199          //    VICIntEnable = 1 << 11;
 200          
 201           }
 202          
 203          /*********************************************************************************************************
 204          ** Function name:            TargetInit
 205          **
 206          ** Descriptions:            Initialize the target board; it is called in a necessary place, change it as 
 207          **                            needed
 208          **
 209          ** input parameters:        None
 210          ** Returned value:            None
 211          **         
 212          ** Used global variables:    None
 213          ** Calling modules:            None
 214          **
 215          ** Created by:                Chenmingji
 216          ** Created Date:            2004/02/02
 217          **-------------------------------------------------------------------------------------------------------
 218          ** Modified by:
 219          ** Modified date:
 220          **------------------------------------------------------------------------------------------------------
 221          ********************************************************************************************************/
 222                  void TargetInit(void)
 223          {
 224              OS_ENTER_CRITICAL();
 225              PINSEL0 = 0;//0x00005555 //| (3<<14);        //设置管脚连接GPIO
 226                        //  | (2<<18); //PWM6
 227              PINSEL1 = (2<<2)|(2<<6)|(2<<8)|(1<<10);        //PWM5
 228              IO0DIR  = 0xFFFFFFF0;            //方向控制位,0输入,1输出
 229              PINSEL2&=~(1<<3);
 230              IO1DIR=(1 << 16) | (1 << 17) | (1 << 18) | (1 << 19) | (1 << 20) | (1 << 21) | (1 << 22) | (1 << 23) |
             - (1 << 24) | (1 << 25);
 231              VICInit();
 232              Timer0Init();    
 233              OS_EXIT_CRITICAL();
 234          }
 235          /*********************************************************************************************************
 236          ** Function name:            InitialiseUART0
 237          **
 238          ** Descriptions:            Initialize the Uart0
 239          **
 240          ** input parameters:        None
 241          ** Returned value:            None
 242          **         
C51 COMPILER V8.08   TARGET                                                                08/04/2008 21:49:56 PAGE 6   

 243          ** Used global variables:    None
 244          ** Calling modules:            None
 245          **
 246          ** Created by:                Chenmingji
 247          ** Created Date:            2004/02/02
 248          **-------------------------------------------------------------------------------------------------------
 249          ** Modified by:
 250          ** Modified date:
 251          **------------------------------------------------------------------------------------------------------
 252          ********************************************************************************************************/
 253                  void InitialiseUART0(uint32 bps)
 254          {      
 255              uint16 Fdiv;
 256              
 257              PINSEL0 = (PINSEL0 & 0xfffffff0) | 0x05;    /* Select the pins for Uart 选择管脚为UART0 */
 258          
 259              U0LCR = 0x80;                               /* Enable to access the frequenc regecter 允许访问分频因子
             -寄存器 */
 260              Fdiv = (Fpclk / 16) / bps;                  /* Set the baudrate设置波特率 */
 261              U0DLM = Fdiv / 256;                            
 262              U0DLL = Fdiv % 256;                        
 263              U0LCR = 0x03;                               /* Disable to access the frequenc regecter 禁止访问分频因