你硬件设计mp/mc已经是低电平了,映射到内部flash,当然不能load。
可以用gel做个软跳针。
#define SCSR1 0x7018
#define SCSR2 0x7019
#define MP 0x0f
#define MC 0x0b
/* The Startup() function is executed when the GEL file is loaded. */
StartUp()
{
F2407_Init();
}
F2407_Init()
{
GEL_Reset();
GEL_MapReset();
GEL_MapOn();
GEL_MapAdd(0x0000,0,0x8000,1,1); /* Flash/External SRAM */
GEL_MapAdd(0x8000,0,0x8000,1,1); /* External SRAM */
GEL_MapAdd(0x0000,1,0x0060,1,1); /* MMR */
GEL_MapAdd(0x0060,1,0x0020,1,1); /* B2 */
GEL_MapAdd(0x0200,1,0x0100,1,1); /* B0 */
GEL_MapAdd(0x0300,1,0x0100,1,1); /* B1 */
GEL_MapAdd(0x0800,1,0x0800,1,1); /* SRAM */
GEL_MapAdd(0x1000,1,0xF000,1,1); /* External SRAM */
}
menuitem "F2407 DEBUGGER";
hotmenu flash_disable()
{
*(int *)SCSR2 = MP;
}
hotmenu flash_enable()
{
*(int *)SCSR2 = MC;
}
建议自己设计的时候mp、mc脚做个硬件跳线。