1 为避免header()函数是,出现 <b>Warning</b>: Cannot modify header information - headers already sent by (output started at /var/www/test.php:5) in <b>/var/www/test.php</b> on line <b>6</b><br /> 错误,我们可以在进行header()导向跳转时,使用
买了Smart210的板子,开始学习中,,,,, 今天看了重定位DRAM ,然而内存需要初始化,早上信心满满的我到现在崩溃的我....也不知遭受了什么样的蹂躏 ,,还是记下一点学到的知识吧.. 数据手册上DDR类型的内存初始化步骤: 1. To provide stable power for controller and memory device, the controller must assert and hold CKE to a logic low level. Then apply