main.c

来自「TI DSPTI DSPTI DSPTI DSP」· C语言 代码 · 共 56 行

#include <csl.h>
#include <csl_timer.h>
#include <csl_irq.h>

#define LED (*(unsigned char *)0x60000000)
TIMER_Handle g_htimer1;

void Timer1_init(Uint32 freq)
{
	Uint32 prd;
	TIMER_Config timer1_cfg = {
		TIMER_CTL_RMK(
		TIMER_CTL_SPND_EMUSTOP ,  
		TIMER_CTL_INVINP_YES,
		TIMER_CTL_CLKSRC_CPUOVR8 ,
		TIMER_CTL_CP_CLOCK ,
		TIMER_CTL_HLD_YES,
		TIMER_CTL_GO_NO,
		TIMER_CTL_PWID_TWO,
		TIMER_CTL_DATOUT_0,  
		TIMER_CTL_INVOUT_NO,     
		TIMER_CTL_FUNC_TOUT    
	),
		TIMER_PRD_RMK(TIMER_PRD_PRD_OF(0)),
		TIMER_CNT_RMK(TIMER_CNT_CNT_OF(0))
	};
	
	g_htimer1 = TIMER_open(TIMER_DEV1, TIMER_OPEN_RESET);
	prd = (125000000U)/(2*freq);
	timer1_cfg.prd = prd;
	TIMER_config(g_htimer1, &timer1_cfg);
}	


void main(void)
{
	Timer1_init(10);
	TIMER_start(g_htimer1);
	
	
IRQ_enable(IRQ_EVT_TINT1);
IRQ_globalEnable();
	while(1)
	{
		;
	}
}


void timer_isr(void)
{
	static char i =0;
	LED = i++%15;
}