一 main.c中的代码
/*---------------------------------------------------------*/
#include <hidef.h> /* common defines and macros */
#include "deriva
tive.h" /* derivative-specific definitions */
#include "xgate.h"
#include "string.h"
#pragma DATA_SEG SHARED_DATA
volatile int shared_counter;
#pragma DATA_SEG DEFAULT
#define ROUTE_INTERRUPT(vec_adr, cfdata) INT_CFADDR= (vec_adr) & 0xF0;
INT_CFDATA_ARR[((vec_adr) & 0x0F) >> 1]= (cfdata)
#define PTH_VEC 0xCC
static void SetupXGATE(void)
{
XGVBR= (unsigned int)(void*__far)(XGATE_VectorTable - XGATE_VECTOR_OFFSET); //设置中断地址
ROUTE_INTERRUPT(PTH_VEC, 0x81); //将中断交给协处理器,配置中断优先级 CodeWarrior中巧妙地定义了一个宏,方便用户对中断的配置
// 具体到本例:ROUTE_INTERRUPT(SCI0_VEC, 0x81); 实质上就是: step1:INT_CFADDR=0xD0; step2: INT_CFDATA_ARR[3]=0x81;
/* enable XGATE mode and interrupts */
XGMCTL= 0xFBC1; /* XGE | XGFRZ | XGIE */
XGSWT= 0x0101;
}
#pragma CODE_SEG NON_BANKED
#define DCPU PORTK_PK4
#define DCPU_dir DDRK_DDRK4
#define LEDON DCPU=0
#define LEDOFF DCPU=1
#define BUS_CLOCK 32000000 //总线频率
#define QSC_CLOCK 16000000 //晶振频率
#define LED PORTB
#define LED_dir DDRB
#define UP_dir DDRH_DDRH0
/*************************************************************/
/* 初始化锁相环 */
/*************************************************************/
void INIT_PLL(void)
{
CLKSEL &= 0x7f; //set OSCCLK as sysclk
PLLCTL &= 0x8F; //Disable PLL circuit
CRGINT &= 0xDF;
#if(BUS_CLOCK == 40000000)
SYNR = 0x44;
#elif(BUS_CLOCK == 32000000)
SYNR = 0x43;
#elif(BUS_CLOCK == 24000000)
SYNR = 0x42;
#endif
REFDV = 0x81; //PLLCLK=2×OSCCLK×(SYNR+1)/(REFDV+1)=64MHz ,fbus=32M
PLLCTL =PLLCTL|0x70; //Enable PLL circuit
asm NOP;
asm NOP;
while(!(CRGFLG&0x08)); //PLLCLK is Locked already
CLKSEL |= 0x80; //set PLLCLK as sysclk
}
/*************************************************************/
/* 延时函数 */
/*************************************************************/
void delay(unsigned int n)
{
unsigned int i,j;
for(j=0;j<n;j++)
for(i=0;i<40000;i++)
;
}
/*************************************************************/
/* 初始化LED灯 */
/*************************************************************/
void init_led(void)
{
LED_dir=0xff; //设置为输出
}
/*************************************************************/
/* 初始化按键 */
/*************************************************************/
void init_key(void)
{
UP_dir =0; //设置为输入
PPSH = 0x0f; //极性选择寄存器,选择下降沿;
PIFH = 0x0f; //对PIFH的每一位写1来清除标志位;
PIEH = 0x0f; //中断使能寄存器;
}
/*************************************************************/
/* 主函数 */
/*************************************************************/
void main(void)
{
DisableInterrupts;
INIT_PLL();
init_key();
init_led();
DCPU_dir=1;
DCPU=0;
EnableInterrupts;
SetupXGATE();
for(;;) {
}
}
/*************************************************************/
/* 主处理器响应协处理的中断的函数 */
/*************************************************************/
#pragma CODE_SEG __NEAR_SEG NON_BANKED
interrupt 25 void Port_H(void)
{
XGIF1=0X0040;
PIFH=0xFF;
DCPU = ~DCPU;
}
#pragma CODE_SEG DEFAULT
二 xgate.cxgate中的代码
#include <hidef.h> /* common defines and macros */
#include "xgate.h"
#include <mc9s12xet256.h>
#define UP PTIH_PTIH0
#define DOWN PTIH_PTIH1
#define LEFT PTIH_PTIH2
#define RIGHT PTIH_PTIH3
#define LED PORTB
#define LED_dir DDRB
unsigned char data=0x03;
interrupt void xgPHI(void)//H口中断服务程序(void)
{
if(PIFH != 0) //判断中断标志
{
PIFH = 0xff; //清除中断标志
if(UP == 0) //按键1按下
{
LED = ~data;
}
}
asm SIF;
}
interrupt void ErrorHandler(int dataptr) {
int chanNum= dataptr;
asm BRK;
}
#pragma CONST_SEG XGATE_VECTORS /* assign the vector table in separate segment for dedicated placement in linker parameter file */
const XGATE_TableEntry XGATE_VectorTable[] = {
// Channel # = Vector address / 2
/* channel 0..8 are not used, first used must match macro XGATE_VECTOR_OFFSET in xgate.h */
{ErrorHandler, 0x09}, // Channel 09 - Reserved
{ErrorHandler, 0x0A}, // Channel 0A - Reserved
{ErrorHandler, 0x0B}, // Channel 0B - Reserved
{ErrorHandler, 0x0C}, // Channel 0C - Reserved
{ErrorHandler, 0x0D}, // Channel 0D - Reserved
{ErrorHandler, 0x0E}, // Channel 0E - Reserved
{ErrorHandler, 0x0F}, // Channel 0F - Reserved
{ErrorHandler, 0x10}, // Channel 10 - Reserved
{ErrorHandler, 0x11}, // Channel 11 - Reserved
{ErrorHandler, 0x12}, // Channel 12 - Reserved
{ErrorHandler, 0x13}, // Channel 13 - Reserved
{ErrorHandler, 0x14}, // Channel 14 - Reserved
{ErrorHandler, 0x15}, // Channel 15 - Reserved
{ErrorHandler, 0x16}, // Channel 16 - Reserved
{ErrorHandler, 0x17}, // Channel 17 - Reserved
{ErrorHandler, 0x18}, // Channel 18 - Reserved
{ErrorHandler, 0x19}, // Channel 19 - Reserved
{ErrorHandler, 0x1A}, // Channel 1A - Reserved
{ErrorHandler, 0x1B}, // Channel 1B - Reserved
{ErrorHandler, 0x1C}, // Channel 1C - Reserved
{ErrorHandler, 0x1D}, // Channel 1D - Reserved
{ErrorHandler, 0x1E}, // Channel 1E - Reserved
{ErrorHandler, 0x1F}, // Channel 1F - Reserved
{ErrorHandler, 0x20}, // Channel 20 - Reserved
{ErrorHandler, 0x21}, // Channel 21 - Reserved
{ErrorHandler, 0x22}, // Channel 22 - Reserved
{ErrorHandler, 0x23}, // Channel 23 - Reserved
{ErrorHandler, 0x24}, // Channel 24 - Reserved
{ErrorHandler, 0x25}, // Channel 25 - Reserved
{ErrorHandler, 0x26}, // Channel 26 - Reserved
{ErrorHandler, 0x27}, // Channel 27 - Reserved
{ErrorHandler, 0x28}, // Channel 28 - Reserved
{ErrorHandler, 0x29}, // Channel 29 - Reserved
{ErrorHandler, 0x2A}, // Channel 2A - Reserved
{ErrorHandler, 0x2B}, // Channel 2B - Reserved
{ErrorHandler, 0x2C}, // Channel 2C - Reserved
{ErrorHandler, 0x2D}, // Channel 2D - Reserved
{ErrorHandler, 0x2E}, // Channel 2E - Reserved
{ErrorHandler, 0x2F}, // Channel 2F - Reserved
{ErrorHandler, 0x30}, // Channel 30 - XSRAM20K Access Violation
{ErrorHandler, 0x31}, // Channel 31 - XGATE Software Error Interrupt
{ErrorHandler, 0x32}, // Channel 32 - XGATE Software Trigger 7
{ErrorHandler, 0x33}, // Channel 33 - XGATE Software Trigger 6
{ErrorHandler, 0x34}, // Channel 34 - XGATE Software Trigger 5
{ErrorHandler, 0x35}, // Channel 35 - XGATE Software Trigger 4
{ErrorHandler, 0x36}, // Channel 36 - XGATE Software Trigger 3
{ErrorHandler, 0x37}, // Channel 37 - XGATE Software Trigger 2
{ErrorHandler, 0x38}, // Channel 38 - XGATE Software Trigger 1
{ErrorHandler, 0x3B}, // Channel 3B - Periodic Interrupt Timer
{ErrorHandler, 0x3A}, // Channel 3A - Periodic Interrupt Timer
{ErrorHandler, 0x3B}, // Channel 3B - Periodic Interrupt Timer
{ErrorHandler, 0x3C}, // Channel 3C - Periodic Interrupt Timer
{ErrorHandler, 0x3D}, // Channel 3D - Periodic Interrupt Timer
{ErrorHandler, 0x3E}, // Channel 3E - Reserved
{ErrorHandler, 0x3F}, // Channel 3F - Autonomous Periodical interrupt API
{ErrorHandler, 0x40}, // Channel 40 - Low Voltage interrupt LVI
{ErrorHandler, 0x41}, // Channel 41 - IIC1 Bus
{ErrorHandler, 0x42}, // Channel 42 - SCI5
{ErrorHandler, 0x43}, // Channel 43 - SCI4
{ErrorHandler, 0x44}, // Channel 44 - SCI3
{ErrorHandler, 0x45}, // Channel 45 - SCI2
{ErrorHandler, 0x46}, // Channel 46 - PWM Emergency Shutdown
{ErrorHandler, 0x47}, // Channel 47 - Port P Interrupt
{ErrorHandler, 0x48}, // Channel 48 - CAN4 transmit
{ErrorHandler, 0x49}, // Channel 49 - CAN4 receive
{ErrorHandler, 0x4A}, // Channel 4A - CAN4 errors
{ErrorHandler, 0x4B}, // Channel 4B - CAN4 wake-up
{ErrorHandler, 0x4C}, // Channel 4C - CAN3 transmit
{ErrorHandler, 0x4D}, // Channel 4D - CAN3 receive
{ErrorHandler, 0x4E}, // Channel 4E - CAN3 errors
{ErrorHandler, 0x4F}, // Channel 4F - CAN3 wake-up
{ErrorHandler, 0x50}, // Channel 50 - CAN2 transmit
{ErrorHandler, 0x51}, // Channel 51 - CAN2 receive
{ErrorHandler, 0x52}, // Channel 52 - CAN2 errors
{ErrorHandler, 0x53}, // Channel 53 - CAN2 wake-up
{ErrorHandler, 0x54}, // Channel 54 - CAN1 transmit
{ErrorHandler, 0x55}, // Channel 55 - CAN1 receive
{ErrorHandler, 0x56}, // Channel 56 - CAN1 errors
{ErrorHandler, 0x57}, // Channel 57 - CAN1 wake-up
{ErrorHandler, 0x58}, // Channel 58 - CAN0 transmit
{ErrorHandler, 0x59}, // Channel 59 - CAN0 receive
{ErrorHandler, 0x5A}, // Channel 5A - CAN0 errors
{ErrorHandler, 0x5B}, // Channel 5B - CAN0 wake-up
{ErrorHandler, 0x5C}, // Channel 5C - FLASH
{ErrorHandler, 0x5D}, // Channel 5D - EEPROM
{ErrorHandler, 0x5E}, // Channel 5E - SPI2
{ErrorHandler, 0x5F}, // Channel 5F - SPI1
{ErrorHandler, 0x60}, // Channel 60 - IIC0 Bus
{ErrorHandler, 0x61}, // Channel 61 - Reserved
{ErrorHandler, 0x62}, // Channel 62 - CRG Self Clock Mode
{ErrorHandler, 0x63}, // Channel 63 - CRG PLL lock
{ErrorHandler, 0x64}, // Channel 64 - Pulse Accumulator B Overflow
{ErrorHandler, 0x65}, // Channel 65 - Modulus Down Counter underflow
{(XGATE_Function)xgPHI, 0x66}, // Channel 66 - Port H
{ErrorHandler, 0x67}, // Channel 67 - Port J
{ErrorHandler, 0x68}, // Channel 68 - ATD1
{ErrorHandler, 0x69}, // Channel 69 - ATD0
{ErrorHandler, 0x6A}, // Channel 6A - SCI1
{ErrorHandler, 0x6B}, // Channel 6B - SCI0
{ErrorHandler, 0x6C}, // Channel 6C - SPI0
{ErrorHandler, 0x6D}, // Channel 6D - Pulse accumulator input edge
{ErrorHandler, 0x6E}, // Channel 6E - Pulse accumulator A overflow
{ErrorHandler, 0x6F}, // Channel 6F - Enhanced Capture Timer overflow
{ErrorHandler, 0x70}, // Channel 70 - Enhanced Capture Timer channel 7
{ErrorHandler, 0x71}, // Channel 71 - Enhanced Capture Timer channel 6
{ErrorHandler, 0x72}, // Channel 72 - Enhanced Capture Timer channel 5
{ErrorHandler, 0x73}, // Channel 73 - Enhanced Capture Timer channel 4
{ErrorHandler, 0x74}, // Channel 74 - Enhanced Capture Timer channel 3
{ErrorHandler, 0x75}, // Channel 75 - Enhanced Capture Timer channel 2
{ErrorHandler, 0x76}, // Channel 76 - Enhanced Capture Timer channel 1
{ErrorHandler, 0x77}, // Channel 77 - Enhanced Capture Timer channel 0
{ErrorHandler, 0x78}, // Channel 78 - Real Time Interrupt
{ErrorHandler, 0x79}, // Channel 79 - IRQ
};
这段程序要实现的就是双核运行成功,具体什么功能不是重点,求好心人告诉哪边出了问题或者需要查阅哪方面的资料都行!!!我用的是MC9S12XET256的板子感激不尽,谢谢!谢谢!谢谢!{:4_106:}
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