void cmd_ctrl_save(uint_least8_t interface, uint_least32_t baudrate, uint_least8_t address, uint_least8_t clock, uint_least8_t power, uint_least8_t byteorder, uint_least16_t fgcolor, uint_least16_t bgcolor)
{
SETTINGS s;
#ifdef TP_SUPPORT
CAL_MATRIX *tp;
tp = tp_getmatrix();
s.tp.a = tp->a;
s.tp.b = tp->b;
s.tp.c = tp->c;
s.tp.d = tp->d;
s.tp.e = tp->e;
s.tp.f = tp->f;
s.tp.div = tp->div;
#endif
s.bgcolor = bgcolor;
s.fgcolor = fgcolor;
s.byteorder = byteorder;
s.address = address;
s.baudrate = baudrate;
s.interface = interface;
s.power = power;
s.sysclock = clock;
s.magic = 0xDEADBEEFUL;
iap_write((uint32_t*)&s, (sizeof(s)/4), (uint32_t*)global_buffer); //size in 32bit words
return;
}
/*
* 文件写函数，包括要写的地址以及要写的长度
* 例：fs_write(0x5000, 20, "1234567"); 向0x5000地址写入20字节的数据，内容为"1234567"
*/
void fs_write(unsigned char *name)
{
xdata unsigned int reve_buf_len = 0;
xdata unsigned char select_cmd = 0;
xdata unsigned int pos_mod[2] = 0;
xdata unsigned char pos_number = 0, i = 0;
xdata unsigned int file_ptr = 0;
xdata unsigned int file_number = 0;
/* 获得要删除文件的地址 */
if(file_ptr = find_file(fs_struct_ptr, name, 1))
{
/* 如果是个文件夹，退出 */
if(iap_read(file_ptr) & 0x02)
{
printf("It is a floder\r\n");
return;
}
}
else
{
printf("No such file\r\n");
return;
}
/* 如果文件里面已经有了内容，那么就不编辑 */
if(find_file(file_ptr, "*", 1))
{
printf("There are texts in this file, please delete this file and create a new\r\n");
return;
}
while(1)
{
while(1)
{
write_buff[reve_buf_len] = uart_reve_byte(); //接收到一个字符并存取到接收缓冲区里面
if(write_buff[reve_buf_len] == 0) //如果没有接收到字串，继续查询
{
task_delay(2); //延时两个任务周期，以便其他任务继续执行
TF1 = 1; //立马产生一个中断
}
else
break;
}
if(reve_buf_len >= 500) //由于每一个块要进行标记，所以要少2个字节，又要避免字符判断超限，干脆再减少2个字节
{
printf("\r\nToo much words\r\n"); //用户输入的字符数量过多
printf("Please save it now\r\n");
goto wait_write_quit;
}
else
{
if(write_buff[reve_buf_len] == 0x1B) //接收到ESC按键
{
write_buff[reve_buf_len] = '\0';
wait_write_quit:
write_buff[reve_buf_len + 1] = '\0';
printf("\r\n");
while(1)
{
select_cmd = uart_wait_byte();
putchar(select_cmd);
if(select_cmd == 'w')
{
// printf(write_buff);
goto write_buff2eeprom; //如果是写入的话就跳到写入的程序入口
}
else if(select_cmd == 'q')
{
printf("you quit\r\n");
return;
}
else
{
printf("\b \b"); //一直发送退格写空再退格，形成符合我们认知的退格
}
}
}
else if(write_buff[reve_buf_len] == '\b') //接收到退格符
{
if(reve_buf_len > 0)
{
reve_buf_len --;
printf("\b \b");
}
}
else if(write_buff[reve_buf_len] == '\r') //接收到换行符
{
printf("\r\n");
reve_buf_len ++;
write_buff[reve_buf_len] = '\n';
reve_buf_len ++;
}
else
{
uart_send_byte(write_buff[reve_buf_len]); //将刚刚接收到的一个字节并且发送给串口软件显示
reve_buf_len ++; //字串索引值加1
}
}
}
write_buff2eeprom:
ENTER_CRITICAL; //需要长时间执行的程序要先进入临界段
if(pos_number = alloc(reve_buf_len, pos_mod))
{
/* 跳过所有不需要设置的 */
file_ptr = file_ptr + FS_FLAG_SIZE + FS_NAME_SIZE + FS_SIZE_SIZE + FS_PREV_SIZE + FS_NEXT_SIZE;
/* 查找空的node节点 */
for(i = 0; i < FS_NODE_SIZE; i += 2)
{
if(iap_read(file_ptr + i) == 0xFF)
{
for(file_number = 0; file_number < pos_number; file_number ++)
{
iap_write(file_ptr + i + file_number * 2, pos_mod[file_number] % 256); //先写低地址
iap_write(file_ptr + i + 1 + file_number * 2, pos_mod[file_number] / 256); //再写高地址
/* 打印文件在内存当中的位置 */
putchar(((pos_mod[file_number]) >> 12) + 48);
putchar((((pos_mod[file_number]) >> 8) & 0x0F) + 48);
putchar((((pos_mod[file_number]) >> 4) & 0x0F) + 48);
putchar((((pos_mod[file_number]) >> 0) & 0x0F) + 48);
}
break; //写完退出
}
}
i = pos_number; file_number = 0;
while(i)
{
iap_write((pos_mod[pos_number-i])++, 0x00);
iap_write((pos_mod[pos_number-i])++, 0x00);
while(write_buff[file_number])
{
if(file_number > 508) //事实上不可能大于508
{
break;
}
iap_write((pos_mod[pos_number-i])++, write_buff[file_number]);
file_number ++;
}
iap_write((pos_mod[pos_number-i])++, 0x00); //文件的结尾写入空字符，代表文件的结束
i --; //写入块数量减一
}
printf("\r\n");
}
