| Age | Commit message (Collapse) | Author |
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rt_ssize_t can give negative error code, which follows the unix style correctly
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* 1. 在AT32的BSP的drv_gpio中增加了at32_pin_get函数,用于实现rt_pin_ops对象中的pin_get
2. 在MSH中增加了PIN的操作命令
3. 为了方便在MSH命令中解析字符串,增加了一些字符串相关的函数
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1. Change 'rt_uint8_t' type of cmd to 'int';
2. Add waitqueue;
3. Split device ipc header files;
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function `rt_pin_write` is invoked by function `can_bus_hook`, and it should to be initialized by gpio.c.
but gpio.c was not added in SConscript
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