基于Atmega128嵌入式控制器的设计

Design of Embedded Controller Based on Atmega 128

采用 Atmega128 单片机设计的嵌入式控制器,模拟量输入通道用 Atmega128 片内 A/D 转换器,输出用AD421 D/A 转换器,数字量 I/0 通道配置高速光耦器件。用 Iccavr 编译器修改 OSTaskStkInit() 函数及其相关文件,定义数据类型等以实现 MicroC/OS-II 的移植。

Embedded controller is designed with Atmega128 single-chip. A/D converter in Atmega128 is adopted in analog input channel and AD421 D/A converter is used in the output channel, and the high-speed photo-coupler is used in digital input and output channel. OsTaskStkInit() function and correlative files are modified with Iccavr compiler. Data type is defined to realize the transplant of MicroC/OS-II.