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Co-authored-by: chenyisong <[email protected]>
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(#7619)
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1.config pin in menuconfig;
2.update format;
3.chang soft_i2c name
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在传输数据为短小报文时,使用DMA模式反倒会慢
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否则可能影响上层应用的接收/发送buffer
attach: afcc400
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Co-authored-by: Wayne Lin <[email protected]>
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函数的输入超时参数的单位是ms, 系统接口无论1.x版本还是2.x, 最终都会将毫秒时间再去转一次tick, 用于rtthread邮件接收超时. 所以此处直接按原值进行转换,不需要加入对RT_TICK_PER_SECOND的转换
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Co-authored-by: supperthomas <[email protected]>
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Co-authored-by: supperthomas <[email protected]>
Co-authored-by: Man, Jianting (Meco) <[email protected]>
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Co-authored-by: Man, Jianting (Meco) <[email protected]>
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Co-authored-by: supperthomas <[email protected]>
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判断 (#7550)
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Signed-off-by: spencergotowork <[email protected]>
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rt_spi_send_then_recv是先发再等待一个独立的消息接收
rt_spi_transfer是收发同时进行
rt_spi_sendrecv8/16应使用rt_spi_transfer而不是rt_spi_send_then_recv
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