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STM32 #21

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blackyang-1 opened this issue Jan 25, 2024 · 3 comments
Open

STM32 #21

blackyang-1 opened this issue Jan 25, 2024 · 3 comments

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@blackyang-1
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这个库文件可以导入到STM32系列芯片吗？
@CYK-dot
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CYK-dot commented Mar 18, 2024

可以的，我成功移植了，但是需要自己实现一套内存管理算法代替代码中的malloc和free

@Siyou-Chen
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请问这个要怎么实现呢，我现在用这个库老是爆内存

@CYK-dot
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CYK-dot commented Mar 27, 2024

请问这个要怎么实现呢，我现在用这个库老是爆内存

我的做法是比较粗暴的，预先估计好矩阵库每次最大会申请的内存空间，把这个空间定义成一个结构体，然后创建一个结构体数组，当矩阵库申请内存空间时，就在这个数组中寻找未被占用的元素，返回该元素的地址。我用的二维矩阵，计算一次伪逆+一次乘法，总共吃掉了1.4k的空间才能保证够用，算非常浪费的了，去移植其他人开源的malloc算法，或者使用带内存管理的RTOS可能会更好点

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3 participants
@CYK-dot @Siyou-Chen @blackyang-1