dsp实验代码总结.doc.docxVIP

物理团学学风建设部 时钟中断led: Main_timer1.c: #include stdio.h #include csl.h #include csl_timer.h #include csl_irq.h //---------Global constants--------- //Maximum count value #define TIMER_CNT 20 #define LEDCTLR (*((unsigned char*)(0))//定义LED地址 //---------Global data definition--------- static TIMER_Handle hTimer1; static Uint32 TimerEventId; static int cnt = 0; Uint32 uWork=1; //Timer control register (CTL) static Uint32 TimerControl = TIMER_CTL_RMK ( TIMER_CTL_SPND_EMUSTOP, TIMER_CTL_INVINP_NO, // TINP inverter control(INVINP) TIMER_CTL_CLKSRC_CPUOVR8, // Timer input clock source (CLKSRC) TIMER_CTL_CP_PULSE, // Clock/pulse mode(CP) TIMER_CTL_HLD_YES, // Hold(HLD) TIMER_CTL_GO_NO, // Go bit(GO)- // resets starts timer counter TIMER_CTL_PWID_ONE, // Pulse width(PWID)- // used only in pulse mode TIMER_CTL_DATOUT_0, // Data output (DATOUT) TIMER_CTL_INVOUT_NO, // TOUT inverter control (INVOUT) TIMER_CTL_FUNC_GPIO // Function of TOUT pin(FUNC) ); //---------Function prototypes--------- void TimerEventHandler(void); extern far void vectors(); //---------main routine--------- void main() { TIMER_Config myTimConfig; //Initialise CSL CSL_init(); //Open TIMER1 device, and reset it to power-on default state hTimer1 = TIMER_open(TIMER_DEV1, TIMER_OPEN_RESET); //Obtain the event ID for the timer device TimerEventId = TIMER_getEventId(hTimer1); //Point to the IRQ vector table IRQ_setVecs(vectors); //Globally enable interrupts IRQ_globalEnable(); //Enable NMI interrupt IRQ_nmiEnable(); //Map TIMER events to physical interrupt number IRQ_map(TimerEventId, 14); //Reset the timer events IRQ_reset(TimerEventId); //---------Configure the timer devices--------- //Start count value at zero myTimConfig.cnt = 0x0; //Use predefined control value */ myTimConfig.ctl = TimerControl; //Set period myTimConfig.prd = 0x0211ffff;//0 TIM