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Diffstat (limited to 'kernel/old/include/sio.h')
-rw-r--r-- | kernel/old/include/sio.h | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/kernel/old/include/sio.h b/kernel/old/include/sio.h deleted file mode 100644 index dca80ed..0000000 --- a/kernel/old/include/sio.h +++ /dev/null @@ -1,168 +0,0 @@ -/** -** @file sio.h -** -** @author Warren R. Carithers -** -** @brief SIO definitions -*/ - -#ifndef SIO_H_ -#define SIO_H_ - -// compatibility definitions -#include <compat.h> - -/* -** General (C and/or assembly) definitions -*/ - -// sio interrupt settings - -#define SIO_TX 0x01 -#define SIO_RX 0x02 -#define SIO_BOTH (SIO_TX | SIO_RX) - -#ifndef ASM_SRC - -/* -** Start of C-only definitions -*/ - -#include <common.h> - -#include <procs.h> - -/* -** PUBLIC GLOBAL VARIABLES -*/ - -// queue for read-blocked processes -extern QTYPE QNAME; - -/* -** PUBLIC FUNCTIONS -*/ - -/** -** sio_init() -** -** Initialize the UART chip. -*/ -void sio_init( void ); - -/** -** sio_enable() -** -** Enable SIO interrupts -** -** usage: uint8_t old = sio_enable( uint8_t which ) -** -** @param which Bit mask indicating which interrupt(s) to enable -** -** @return the prior IER setting -*/ -uint8_t sio_enable( uint8_t which ); - -/** -** sio_disable() -** -** Disable SIO interrupts -** -** usage: uint8_t old = sio_disable( uint8_t which ) -** -** @param which Bit mask indicating which interrupt(s) to disable -** -** @return the prior IER setting -*/ -uint8_t sio_disable( uint8_t which ); - -/** -** sio_inq_length() -** -** Get the input queue length -** -** usage: int num = sio_inq_length() -** -** @return the count of characters still in the input queue -*/ -int sio_inq_length( void ); - -/** -** sio_readc() -** -** Get the next input character -** -** usage: int ch = sio_readc() -** -** @return the next character, or -1 if no character is available -*/ -int sio_readc( void ); - -/** -** sio_read() -** -** Read the entire input buffer into a user buffer of a specified size -** -** usage: int num = sio_read( char *buffer, int length ) -** -** @param buf The destination buffer -** @param length Length of the buffer -** -** @return the number of bytes copied, or 0 if no characters were available -*/ -int sio_read( char *buffer, int length ); - -/** -** sio_writec( ch ) -** -** Write a character to the serial output -** -** usage: sio_writec( int ch ) -** -** @param ch Character to be written (in the low-order 8 bits) -*/ -void sio_writec( int ch ); - -/** -** sio_write( ch ) -** -** Write a buffer of characters to the serial output -** -** usage: int num = sio_write( const char *buffer, int length ) -** -** @param buffer Buffer containing characters to write -** @param length Number of characters to write -** -** @return the number of characters copied into the SIO output buffer -*/ -int sio_write( const char *buffer, int length ); - -/** -** sio_puts( buf ) -** -** Write a NUL-terminated buffer of characters to the serial output -** -** usage: n = sio_puts( const char *buffer ); -** -** @param buffer The buffer containing a NUL-terminated string -** -** @return the count of bytes transferred -*/ -int sio_puts( const char *buffer ); - -/** -** sio_dump( full ) -** -** Dump the contents of the SIO buffers to the console -** -** usage: sio_dump(true) or sio_dump(false) -** -** @param full Boolean indicating whether or not a "full" dump -** is being requested (which includes the contents -** of the queues) -*/ -void sio_dump( bool_t full ); - -#endif /* !ASM_SRC */ - -#endif |