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关于2812BOOTROM的IQmath表的问题?



我在2812里想用Q格式计算,当我用正弦,余弦来运算时候,都是输出-1,后来我发现,IQmath的BOOTrom的表里都是FF,FF,我怎么才能修改成正确的啊?不是这个是固化的吗?怎么TI没有固化好?或者我怎么才能做个表,是不是在程序里定义一下,把正弦,余弦值放数组里面就好啦?