cc3200: uart.read() returns EGAIN if no chars available.
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@ -599,9 +599,9 @@ STATIC mp_uint_t pyb_uart_read(mp_obj_t self_in, void *buf_in, mp_uint_t size, i
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// wait for first char to become available
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if (!uart_rx_wait(self)) {
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// we can either return 0 to indicate EOF (then read() method returns b'')
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// or return EAGAIN error to indicate non-blocking (then read() method returns None)
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return 0;
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// return EAGAIN error to indicate non-blocking (then read() method returns None)
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*errcode = EAGAIN;
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return MP_STREAM_ERROR;
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}
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// read the data
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