| 1780 | |
| 1781 | #ifdef RT_USING_DEVICE_OPS |
| 1782 | static rt_ssize_t rt_serial_read(struct rt_device *dev, |
| 1783 | rt_off_t pos, |
| 1784 | void *buffer, |
| 1785 | rt_size_t size) |
| 1786 | { |
| 1787 | struct rt_serial_device *serial; |
| 1788 | |
| 1789 | RT_ASSERT(dev != RT_NULL); |
| 1790 | if (size == 0) return 0; |
| 1791 | |
| 1792 | serial = (struct rt_serial_device *)dev; |
| 1793 | |
| 1794 | if (serial->config.rx_bufsz) |
| 1795 | { |
| 1796 | return _serial_fifo_rx(dev, pos, buffer, size); |
| 1797 | } |
| 1798 | |
| 1799 | return _serial_poll_rx(dev, pos, buffer, size); |
| 1800 | } |
| 1801 | |
| 1802 | |
| 1803 | static rt_ssize_t rt_serial_write(struct rt_device *dev, |
nothing calls this directly
no test coverage detected