gonzui

mtkernel_3

kernel/sysdepend/cpu/core/armv7m/sys_timer.h - 3.2KB - 108 lines

32:         /* Set System timer CLK source to Core, Systick exception enable */
33:         out_w(SYST_CSR, 0x00000006);
34: 
36:         n = (UINT)(TIMER_PERIOD * TMCLK_KHz - 1);
37:         out_w(SYST_RVR, n);
38: 
39:         /* Start timer count */
40:         out_w(SYST_CSR, 0x00000007);
41: 
58:         (void)in_w(SYST_CSR);                  /* Clear COUNTFLAG */
59:         out_w(SCB_ICSR, ICSR_PENDSTCLR);
60: }
74:         /* Timer interrupt disable */
75:         out_w(SYST_CSR, 0x00000000);
76: }