bsp.h

摩托罗拉MMC2107在ucosII的移植代码

#ifndef __BSP_H__
#define __BSP_H__

#include "plibdefs_mmc2107.h"
#include "itcn_b.h"
#include "core_b.h"
#include "pll_b.h"
#include "watchdog_a.h"
#include "pit_b.h"
#include "sci_d.h"
#include "tim_a.h"

/* --- CS --- */
/* CS  variables */
#define CS_CSCR0 0x1303
#define CS_CSCR3 0x1303

/* --- PLL --- */
#define SYSTEM_CLOCK (CRYSTAL_FREQ*(PLL_MFD+2)/(1<<PLL_RFD))/* Calculation of System Clock  */
                                                            /* out of PLL devider fields    */
#define uSEC(uS) (uS*SYSTEM_CLOCK/1000000)    /* uS micro seconds in terms of system clocks */
#define mSEC(mS) (mS*SYSTEM_CLOCK/1000   )    /* mS micro seconds in terms of system clocks */
/* PLL variables */
#define CRYSTAL_FREQ    8000000               /* Quartz (FPX 8.00) frequency 8MHz           */
#define PLL_B_WAIT_TIME 0x1000                /* Delay time to wait for phase lock          */

#define PLL_MFD    PLL_B_VCO_X_4   /* Multiplication Factor Divider of PLL ( SYNCR[14:12] ) */
#define PLL_RFD    PLL_B_VCO_DIV_1 /* Reduced   Frequency   Divider of PLL ( SYNCR[10: 8] ) */

/* --- SCI --- */
/* SCI variables */
#define SCI_BAUDRATE (SYSTEM_CLOCK/(16 * SCIBD))

#define SCI1_BAUDRATE              /* SCI 1 baudrate, used by Picobug monitor               */
#define SCI2_BAUDRATE 19200        /* SCI 2 baudrate, used by Operating System Tick         */


/* --- TIM --- */
#define TIM_CLOCK(tim_prescaler) (SYSTEM_CLOCK / (1<<tim_prescaler)) /* Calculation of PIT Clock */
#define PWM_CLOCK(tim_pre)       (TIM_CLOCK( tim_pre ) / TIM_A_MAX_COMPARE_VALUE) /* Number of PWM periods per sec */
/* TIM variables */
#define TIM1_PRE      TIM_A_SCALAR_00 /* TIM 1 prescaler (TIM 1 TIMSCR2[2:0]) */
#define TIM2_PRE      TIM_A_SCALAR_00 /* TIM 2 prescaler (TIM 2 TIMSCR2[2:0]) */


/* --- PIT --- */
#define PIT_CLOCK(pit_prescaler) (SYSTEM_CLOCK / (1<<pit_prescaler)) /* Calculation of PIT Clock*/
#define PITuSEC(uS, pit_pre) (uS*PIT_CLOCK(pit_pre)/1000000)
#define PITmSEC(mS, pit_pre) (mS*PIT_CLOCK(pit_pre)/1000   )
/* PIT variables */
#define PIT1_PRE      PIT_B_SCALAR_00 /* PIT 1 prescaler (PIT 1 PCSR[11:8]) */
#define PIT2_PRE      PIT_B_SCALAR_00 /* PIT 2 prescaler (PIT 2 PCSR[11:8]) */

#define PIT1_MODULUS  PITmSEC(1, PIT1_PRE) /* First argument is a value in   */
#define PIT2_MODULUS  PITmSEC(0, PIT2_PRE) /* ... micro or milli-seconds     */


/* --- ITCN --- */
/* ITCN variables */
#define ITCN_B_HIGHEST_INTERRUPT_PRIORITY_LEVEL 31


/* common macro to handle error checking and response */ 
#define HANDLE_ERROR(err)  if (err != SCI_D_ERR_NONE) return(__LINE__);

#endif __BSP_H__