16c95x Serial Port Driver Site

In the stratified world of computing, the graphic processing unit (GPU) and the central processor (CPU) receive the lion’s share of attention. Yet, the humble UART (Universal Asynchronous Receiver-Transmitter) remains the unsung workhorse of infrastructure. At the heart of many industrial, telecommunications, and legacy enterprise systems lies a specific breed of this technology: the 16c95x family. The software that brings it to life—the 16c95x Serial Port Driver —is a masterclass in managing latency, throughput, and hardware complexity.

The next time you issue screen /dev/ttyS0 115200 , pause to appreciate the thousands of lines of kernel code that are, at that very moment, carefully policing the flow of bits through a 64-byte FIFO, ensuring that not a single character of your prompt is lost to the entropy of asynchronous transmission. 16c95x Serial Port Driver

static const struct serial_rs485 serial_rs485_supported = SER_RS485_RTS_ON_SEND, ; static const struct uart_ops exar_ops = .tx_empty = exar_tx_empty, .set_mctrl = exar_set_mctrl, .start_tx = exar_start_tx, .stop_tx = exar_stop_tx, .handle_irq = exar_handle_irq, // The heart of the driver .startup = exar_startup, .shutdown = exar_shutdown, .set_termios = exar_set_termios, // Where baud, parity, flow are set ; In the stratified world of computing, the graphic