int at24cxx_self_test(void)
{
int ret;
uint8_t buf[128],buf1[128],buf2[128];
ret = at24cxx_read(0, buf, sizeof(buf));
if(ret)
{
return ret;
}
memset(buf1,'Y',sizeof(buf1));
ret = at24cxx_write(0, buf1, sizeof(buf1));
if(ret)
{
return ret;
}
ret = at24cxx_read(0, buf2, sizeof(buf2));
if(ret)
{
return ret;
}
ret = at24cxx_write(0, buf, sizeof(buf));
if(ret)
{
return ret;
}
if(!memcmp(buf1, buf2, sizeof(buf1)))
{
return 0;
}
return 1;
}
int main()
{
char c;
char str[200];
int i;
int address;
int data;
unsigned int mid, pid;
uart0_init(); // 波特率115200，8N1(8个数据位，无校验位，1个停止位)
SPIInit();
OLEDInit();
OLEDPrint(0, 0, "Hello World SPI!");
SPIFlashReadID(&mid, &pid);
printf("SPI FLASH : Mid = 0x%2x, Pid = 0x%2x\n\r", mid, pid);
sprintf(str, "SPI FLASH: %2x,%2x", mid, pid);
OLEDPrint(2, 0, str);
SPIFlashInit();
SPIFlashEraseSector(4096);
SPIFlashEraseSector(1024);
SPIFlashProgram(4096, "Happy NEW YEAR !", 20);
SPIFlashProgram(1024, "Chinese New Year", 20);
SPIFlashRead(1024, str, 18);
printf("SPI Flash read from 1024: %s\n\r", str);
// OLEDPrint(4, 0, str);
SPIFlashRead(4096, str, 18);
printf("SPI Flash read from 4096: %s\n\r", str);
//OLEDPrint(6, 0, str);
Test_Adc();
i2c_init();
at24cxx_write(0,0x11);
data = at24cxx_read(0);
if (data == 0x11)
OLEDPrint(4, 0, "I2C OK!!!!");
else
OLEDPrint(4, 0, "I2C ERROR!");
return 0;
}
int main()
{
char c;
char str[200];
int i;
int address;
int data;
uart0_init(); // 波特率115200，8N1(8个数据位，无校验位，1个停止位)
i2c_init();
while (1)
{
printf("\r\n##### AT24CXX Menu #####\r\n");
printf("[R] Read AT24CXX\n\r");
printf("[W] Write AT24CXX\n\r");
printf("Enter your selection: ");
c = getc();
printf("%c\n\r", c);
switch (c)
{
case 'r':
case 'R':
{
printf("Enter address: ");
i = 0;
do
{
c = getc();
str[i++] = c;
putc(c);
} while(c != '\n' && c != '\r');
str[i] = '\0';
while(--i >= 0)
{
if (str[i] < '0' || str[i] > '9')
str[i] = ' ';
}
sscanf(str, "%d", &address);
printf("\r\nread address = %d\r\n", address);
data = at24cxx_read(address);
printf("data = %d\r\n", data);
break;
}
case 'w':
case 'W':
{
printf("Enter address: ");
i = 0;
do
{
c = getc();
str[i++] = c;
putc(c);
} while(c != '\n' && c != '\r');
str[i] = '\0';
printf("\r\n");
while(--i >= 0)
{
if (str[i] < '0' || str[i] > '9')
str[i] = ' ';
}
sscanf(str, "%d", &address);
//printf("get str %s\r\n", str);
printf("Enter data: ");
i = 0;
do
{
c = getc();
str[i++] = c;
putc(c);
} while(c != '\n' && c != '\r');
str[i] = '\0';
printf("\r\n");
//printf("get str %s\r\n", str);
while(--i >= 0)
{
if (str[i] < '0' || str[i] > '9')
str[i] = ' ';
}
sscanf(str, "%d", &data);
//address = 12;
//data = 13;
printf("write address %d with data %d\r\n", address, data);
at24cxx_write(address, data);
break;
}
}
}
return 0;
}
int main()
{
unsigned int num;
unsigned char ret = 0;
#ifdef MMU_ON
mmu_init();
#endif
led_init();
key_init();
irq_init();
uart0_init();
lcd_init();
i2c0_init();
lcd_clear_screen(0x000000);
dm9000_init();
printf("First write address of 0x0,");
at24cxx_write(0x0, 0xAA); //往设备内存0地址写入0xAA
ret = at24cxx_read(0x0); //读设备内存0地址里面的数据
printf("the value in address 0x0 = %x\r\n",ret);
printf("Second write address of 0x1,");
at24cxx_write(0x1,0x33);
ret = at24cxx_read(0x1);
printf("the value in address 0x1 = %x\r\n",ret);
// dm9000_arp();
while(1)
{
printf("\r\n");
printf("========= Boot for S5pv210 Main Menu =========\r\n");
printf("========= designed by KungfuMonkey =========\r\n");
printf("\r\n");
printf("1.ARP Request for PC MAC\r\n");
printf("2.Download Linux Kernel to SDRAM\r\n");
printf("3.Run the linux\r\n");
scanf("%d\r\n",&num);
printf("%d\r\n",num);
switch(num)
{
case 1:
arp_request();
break;
case 2:
tftp_send_request("zImage");
break;
case 3:
boot_linux();
break;
default:
printf("Error: wrong selection!\r\n");
break;
}
}
return 0;
}
