DSP2812 FLASH程序拷贝在RAM中运行测试程序

#include "DSP281x_Device.h" #include "DSP281x_Globalprototypes.h" #include "DSP281x_SysCtrl.h" #include "DSP281x_Examples.h" // DSP281x Examples Include File #include "f2812a.h" #pragma CODE_SECTION(Delay, "ramfuncs") #pragma CODE_SECTION(Led_Test, "ramfuncs") // 定义指示灯寄存器地址和寄存器类型 #define LBDS (*((unsigned int *)0xc0000)) // 子程序接口 void Delay(unsigned int nDelay); // 延时子程序 void Led_Test(void); // Global symbols defined in the linker command file extern Uint16 RamfuncsLoadStart; extern Uint16 RamfuncsLoadEnd; extern Uint16 RamfuncsRunStart; //Uint16 DEVICEID = 3; //void InitSystem(void); //interrupt void cpu_timer0_isr(void); // Prototype for Timer 0 Interrupt Service Routine void main() { InitSysCtrl(); // Initialize the DSP's core Registers // ANSI - C standard function "memcpy" to copy FlashSpeed-init-routine out of // Flash(RamfuncsLoadStart) into RAM(RamfuncsRunStart) // Symbols are linked to a dedicated code section by "F2812.cmd" and "DSP281x_SysCtrl.c" //Flash to Ram*/ memcpy(&RamfuncsRunStart, &RamfuncsLoadStart, &RamfuncsLoadEnd - &RamfuncsLoadStart); /*FLASH 初始化 */ // InitFlash(); Led_Test(); } void Led_Test(void) { unsigned int uLED[4]={1,2,4,8}; // 控制字，逐位置1: 0001B 0010B 0100B 1000B int i; while(1) { for ( i=0;i<4;i++ ) { LBDS=uLED[i]; // 正向顺序送控制字 Delay(1000); // 延时 } } } void Delay(unsigned int nDelay) { int ii,jj,kk=0; for ( ii=0;ii<nDelay;ii++ ) { for ( jj=0;jj<512;jj++ ) { kk++; } } }