C++ (Cpp) uart_asm_putx示例

示例#1

文件： mmc_relocate.c 项目： cyj1988jyc/luoji4412

void copy_code_to_dram(void)
{
	//unsigned long ch;
	void (*user_bin)(void);
	//ch = *(volatile unsigned int *)(0xD0037488);//need modify

	// 函数指针
	//copy_sd_mmc_to_mem copy_bl2 = (copy_sd_mmc_to_mem) (*(unsigned int *) (0xD0037F98));
	//copy_bl2(0, 49, 32,(unsigned int *)0x23E00000, 0);

		// 49:源,代码位于扇区49,1 sector = 512 bytes
		// 32:长度，拷贝32 sector，即16K
		// 0x23E00000:目的,链接地址0x23E00000
	
	volatile unsigned long  count=0x100000;
	while(count>0){
		count--;}

	uart_asm_putc('C');
	uart_asm_putc('O');
	uart_asm_putc('P');
	uart_asm_putc('Y');
	uart_asm_putc('\r');
	uart_asm_putc('\n');
	
	SDMMC_ReadBlocks(49,32,(unsigned int *)0x43e00000);
	//uart_asm_putx("now copy OVER!!!!/n");

	uart_asm_putc('O');
	uart_asm_putc('V');
	uart_asm_putc('E');
	uart_asm_putc('R');
	uart_asm_putc('\r');
	uart_asm_putc('\n');


	unsigned int *p;
	int i;
	

	p = (unsigned int *) 0x43e00000;
	for (i = 0; i < 100; i++) {
	uart_asm_putx(*(p+i));
	uart_asm_putc(' ');
	}
	
	
	// 跳转到DRAM
    user_bin = (void *)0x43e00000;
    (*user_bin)();
}

示例#2

文件： main.c 项目： cyj1988jyc/luoji4412

int main(void)
{
char rec;
unsigned char value = 0;

printf("\n\r\n\r");

iic_init();

printf("\n\r");
iic_master_write(0xa0, 0x3, 0x15);
iic_master_read(0xa0, 0x3, &value);
printf("addr 0x3 value is: ");
uart_asm_putx(value);
printf("\n\r");

iic_dest();
 
return 0;
}

示例#3

文件： irom_copy.c 项目： 54shady/uboot_tiny4412

void uboot_mem_test(void)
{
	unsigned int *p;
	int i;

	/* show dram config */
	p = (unsigned int *) 0x10600000;
	for (i = 0; i < 0x100/4; i++, p++) {
		if (!(i & 0xf)) {
			uart_asm_putc('\r');
			uart_asm_putc('\n');
		}
		uart_asm_putx(*p);
		uart_asm_putc('.');
	}
	p = (unsigned int *) 0x10610000;
	for (i = 0; i < 0x100/4; i++, p++) {
		if (!(i & 0xf)) {
			uart_asm_putc('\r');
			uart_asm_putc('\n');
		}
		uart_asm_putx(*p);
		uart_asm_putc('.');
	}

	uart_asm_putc('\r');
	uart_asm_putc('\n');

	uart_asm_putc('L');
	uart_asm_putc('e');
	uart_asm_putc('n');
	uart_asm_putc(':');
	uart_asm_putc(' ');
	uart_asm_putx(MT_LEN);

	uart_asm_putc('\r');
	uart_asm_putc('\n');
	uart_asm_putc('W');

	/* writing */
	p = (unsigned int *) MT_START;
	for (i = 0; i < MT_LEN/4; i++, p++) {
		*p = i+0x5a000000;
		if (!(i & 0xfffff)) {
			uart_asm_putc('.');
		}
	}

	uart_asm_putc('\r');
	uart_asm_putc('\n');
	uart_asm_putc('R');

	/* read and verify */
	p = (unsigned int *) MT_START;
	for (i = 0; i < MT_LEN/4; i++, p++) {
		if (*p != (i+0x5a000000)) {
			uart_asm_putc('X');
			uart_asm_putx(i);
			uart_asm_putx(p);
			if (i > 4) {
				uart_asm_putx(*(p-4));
				uart_asm_putx(*(p-3));
				uart_asm_putx(*(p-2));
				uart_asm_putx(*(p-1));
			}
			uart_asm_putx(*p);
			uart_asm_putx(*(p+1));
			uart_asm_putx(*(p+2));
			uart_asm_putx(*(p+3));
			uart_asm_putx(*(p+4));
			break;
		}

		if (!(i & 0xfffff)) {
			uart_asm_putc('.');
		}
	}

	uart_asm_putc('\r');
	uart_asm_putc('\n');
	uart_asm_putc('>');

#if 0
	/* dump memory */
	p = (unsigned int *) MT_START;
	for (i = 0; i < 0x200; i++, p++) {
		if (!(i & 0xf)) {
			uart_asm_putc('\r');
			uart_asm_putc('\n');
		}
		uart_asm_putx(*p);
		uart_asm_putc('.');
	}

	uart_asm_putc('\r');
	uart_asm_putc('\n');
#endif
}