| 911 | } |
| 912 | |
| 913 | static rt_ssize_t rt_serial_write(struct rt_device *dev, |
| 914 | rt_off_t pos, |
| 915 | const void *buffer, |
| 916 | rt_size_t size) |
| 917 | { |
| 918 | struct rt_serial_device *serial; |
| 919 | |
| 920 | RT_ASSERT(dev != RT_NULL); |
| 921 | if (size == 0) return 0; |
| 922 | |
| 923 | serial = (struct rt_serial_device *)dev; |
| 924 | |
| 925 | if (dev->open_flag & RT_DEVICE_FLAG_INT_TX) |
| 926 | { |
| 927 | return _serial_int_tx(serial, (const rt_uint8_t *)buffer, size); |
| 928 | } |
| 929 | #ifdef RT_SERIAL_USING_DMA |
| 930 | else if (dev->open_flag & RT_DEVICE_FLAG_DMA_TX) |
| 931 | { |
| 932 | return _serial_dma_tx(serial, (const rt_uint8_t *)buffer, size); |
| 933 | } |
| 934 | #endif /* RT_SERIAL_USING_DMA */ |
| 935 | else |
| 936 | { |
| 937 | return _serial_poll_tx(serial, (const rt_uint8_t *)buffer, size); |
| 938 | } |
| 939 | } |
| 940 | |
| 941 | #if defined(RT_USING_POSIX_TERMIOS) |
| 942 | struct speed_baudrate_item |
nothing calls this directly
no test coverage detected