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Description: 在嵌入式系统上进行GPRS连接的代码，可以用键盘控制-In the embedded system code for GPRS connection, you can use the keyboard to control
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Size: 28672 |
Author: wfm |
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Description: 查询方式扫描键盘.每按一个键,发光管对应亮灭
44binit.s----中断初始化，存储器，堆栈，系统初始化，建立C程序运行环境。
mencfg.s-----定义存储器延时等参数
option.s-----定义系统时钟频率等-Keyboard scan query. Every press of a button, the corresponding LED light out 44binit.s---- interrupt initialization, memory, stack, system initialization, the establishment of C runtime environment procedures. mencfg.s----- definition of parameters such as memory latency option.s----- such as the definition of the system clock frequency
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Size: 83968 |
Author: bill |
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