X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Ftimer_dsp56k.h;h=025b5a8e6b1ad002c47d54aa66b7efec3e5ffe18;hb=795f9992c2d8ff54910179c532a113e8e8ba44df;hp=5a0db05aeb6463a25949efc7128cf8cc1b538a17;hpb=96f0ef786b54356c56cc3d4e4f0838df2505cfcc;p=bertos.git diff --git a/drv/timer_dsp56k.h b/drv/timer_dsp56k.h index 5a0db05a..025b5a8e 100755 --- a/drv/timer_dsp56k.h +++ b/drv/timer_dsp56k.h @@ -15,6 +15,9 @@ /* * $Log$ + * Revision 1.3 2004/06/06 18:30:34 bernie + * Import DSP56800 changes from SC. + * * Revision 1.2 2004/06/03 11:27:09 bernie * Add dual-license information. * @@ -28,14 +31,13 @@ #include #include +#include -//! The system timer for events is currently TMRA0. We prefer A/B over C/D because -// A/B share the pin with the quadrature decoder module, and we do not need -// pins for our system timer. -// If you want to change this setting, you need also to modify the IRQ vector table. -#define REG_SYSTEM_TIMER (REG_TIMER_A + 0) -#define SYSTEM_TIMER_IRQ_VECTOR 42 /* TMRA0 */ +// Calculate register pointer and irq vector from hw.h setting +#define REG_SYSTEM_TIMER PP_CAT(REG_TIMER_, SYSTEM_TIMER) +#define SYSTEM_TIMER_IRQ_VECTOR PP_CAT(IRQ_TIMER_, SYSTEM_TIMER) +//! Prescaler for the system timer #define TIMER_PRESCALER 16 //! Frequency of the hardware high precision timer @@ -68,8 +70,6 @@ static void timer_hw_init(void) // Small preprocessor trick to generate the REG_TIMER_CTRL_PRIMARY_IPBYNN macro // needed to set the prescaler - #define PP_CAT2(x,y) x ## y - #define PP_CAT(x,y) PP_CAT2(x,y) #define REG_CONTROL_PRESCALER PP_CAT(REG_TIMER_CTRL_PRIMARY_IPBY, TIMER_PRESCALER) // Setup the counter and start counting