16550 uart api, Public apis, 16550 uart api -12 – Altera Embedded Peripherals IP User Manual
Page 98
Figure 9-6: Qsys setting to configure FIFO depth
16550 UART API
Public APIs
Table 9-13: altera_16550_uart_open
Prototype:
altera_16550_uart_dev * altera_16550_uart_
open(const char* name);
Include:
<altera_16550_uart.h>
Parameters:
name—the 16550 UART device name to open.
Returns:
Pointer to 16550 UART or NULL if fail to open
Description
Open 16550 UART device.
Table 9-14: altera_16550_uart_close
Prototype:
void alt_16550_uart_close (const char* name)
Include:
<altera_16550_uart.h>
Parameters:
name—the 16550 UART device name to close.
Returns:
None
Description:
Closes 16550 UART device.
Table 9-15: alt_16550_uart_read
Prototype:
alt_u32 altera_16550_uart_read(altera_16550_uart_
dev* dev, const char * ptr, alt_u16 len, alt_u16 flags);
Include:
<altera_16550_uart.h>
9-12
16550 UART API
UG-01085
2014.24.07
Altera Corporation
16550 UART