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Diffstat (limited to '')
| -rw-r--r-- | private/ntos/ndis/madge/driver/ftk_poke.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/private/ntos/ndis/madge/driver/ftk_poke.c b/private/ntos/ndis/madge/driver/ftk_poke.c new file mode 100644 index 000000000..a9074dd76 --- /dev/null +++ b/private/ntos/ndis/madge/driver/ftk_poke.c @@ -0,0 +1,267 @@ +/**************************************************************************** +* +* FTK_POKE.C +* +* Part of the FastMAC Toolkit. +* Copyright (c) Madge Networks Ltd 1995 +* +* This module provides some functions that will send tracing information +* to either serial port (COM1 or COM2) on a standard IBM PC clone. +* +*****************************************************************************/ + +#include "ftk_defs.h" +#include "ftk_intr.h" +#include "ftk_extr.h" + +#ifdef FTK_POKEOUTS + +/*--------------------------------------------------------------------------- +| +| Private constants. +| +---------------------------------------------------------------------------*/ + +#ifdef USE_COM2 +#define COM_BASE 0x0200 /* Base address for COM2. */ +#else +#define COM_BASE 0x0300 /* Base address for COM1. */ +#endif + +#define THR (COM_BASE + 0x0f8) /* Transmit holding register. */ +#define IER (COM_BASE + 0x0f9) /* IRQ enable register. */ +#define IDR (COM_BASE + 0x0fa) /* IRQ identification register. */ +#define LCR (COM_BASE + 0x0fb) /* Line control register. */ +#define MCR (COM_BASE + 0x0fc) /* Modem control register. */ +#define LSR (COM_BASE + 0x0fd) /* Line status register. */ +#define MSR (COM_BASE + 0x0fe) /* Modem status register. */ + +#define TX_RDY 0x020 /* THR empty flag bit in LSR. */ +#define BAUD_MASK 0x080 /* Baud rate mask in LCR. */ +#define PARAMS_MASK 0x07f /* Parameter mask in LCR. */ +#define EOUT2 0x008 /* EOUT2 flag in MCR. */ +#define CMCR 0x0f0 /* Clear MCR command. */ +#define DTR 0x001 /* DTR flag in MCR. */ + +#define PARITY_TYPE 0 +#define STOP_BITS 1 +#define DATA_BITS 8 +#define BAUD_RATE 9600 + + +/*---------------------------------------------------------------------------- +| +| Private global variables. +| +----------------------------------------------------------------------------*/ + +int ftk_poke_initialised = FALSE; +char ftk_hex_chars[16] = "0123456789abcdef"; + + +/*---------------------------------------------------------------------------- +| +| Function - ftk_poke_init +| +| Parameters - Node. +| +| Purpose - Initialise the serial port. +| +| Returns - Nothing. +| +----------------------------------------------------------------------------*/ + +void +ftk_poke_init(void) +{ + unsigned t; + unsigned v; + + /* + * Data, stop and parity bits. + */ + + t = DATA_BITS - 5; + if (STOP_BITS == 2) + { + t |= 0x04; + } + if (PARITY_TYPE > 0) + { + t |= ((PARITY_TYPE << 1) - 1) << 3; + } + + OUTB(LCR, (BYTE) (INB(LCR) & PARAMS_MASK)); + OUTB(LCR, (BYTE) t); + + /* + * Set up the baud rate. + */ + + t = 115200L / BAUD_RATE; + v = INB(LCR) | BAUD_MASK; + OUTB(LCR, (BYTE) v); + OUTB(THR, (BYTE) (t & 0xff)); + OUTB(IER, (BYTE) ((t >> 8) & 0xff)); + OUTB(LCR, (BYTE) (v & PARAMS_MASK)); + + /* + * Empty the transmit buffer. + */ + + INB(THR); + + /* + * Clear the modem control register and enable OUT2. + */ + + OUTB(MCR, (BYTE) ((INB(MCR) & CMCR) | EOUT2)); + + /* + * Turn DTR on. + */ + + OUTB(MCR, (BYTE) (INB(MCR) | DTR)); +} + + +/***************************************************************************** +* +* Function - _ftk_poke_char +* +* Parameters - ch -> Character to poke out. +* +* Purpose - Poke a single character to the serial port. +* +* Returns - Nothing. +* +*****************************************************************************/ + +void +_ftk_poke_char(int ch) +{ + /* + * Initialise the serial port if this is the first access. + */ + + if (!ftk_poke_initialised) + { + ftk_poke_init(); + ftk_poke_initialised = TRUE; + } + + /* + * Wait until the transmit holding register is empty. + */ + + while ((INB(LSR) & TX_RDY) == 0); + + /* + * And transmit the character. + */ + + OUTB(THR, (unsigned char) ch); +} + + +/***************************************************************************** +* +* Function - _ftk_poke_string +* +* Parameters - str -> String to poke out. +* +* Purpose - Poke a string to the serial port. +* +* Returns - Nothing. +* +*****************************************************************************/ + +void +_ftk_poke_string(char *str) +{ + while (*str != '\0') + { + if (*str == '\n') + { + _ftk_poke_char('\n'); + _ftk_poke_char('\r'); + } + else + { + _ftk_poke_char(*str); + } + str++; + } +} + + +/***************************************************************************** +* +* Function - _ftk_poke_byte +* +* Parameters - byte -> The byte to poke out. +* +* Purpose - Poke the hex string for a byte to the serial port. +* +* Returns - Nothing. +* +*****************************************************************************/ + +void +_ftk_poke_byte(int byte) +{ + _ftk_poke_char(ftk_hex_chars[(byte >> 4) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(byte ) & 0x000f]); +} + + +/***************************************************************************** +* +* Function - _ftk_poke_word +* +* Parameters - word -> The word to poke out. +* +* Purpose - Poke the hex string for a word to the serial port. +* +* Returns - Nothing. +* +*****************************************************************************/ + +void +_ftk_poke_word(int word) +{ + _ftk_poke_char(ftk_hex_chars[(word >> 12) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(word >> 8) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(word >> 4) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(word ) & 0x000f]); +} + + +/***************************************************************************** +* +* Function - _ftk_poke_dword +* +* Parameters - dword -> The dword to poke out. +* +* Purpose - Poke the hex string for a dword to the serial port. +* +* Returns - Nothing. +* +*****************************************************************************/ + +void +_ftk_poke_dword(long dword) +{ + _ftk_poke_char(ftk_hex_chars[(dword >> 28) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(dword >> 24) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(dword >> 20) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(dword >> 16) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(dword >> 12) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(dword >> 8) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(dword >> 4) & 0x000f]); + _ftk_poke_char(ftk_hex_chars[(dword ) & 0x000f]); +} + +#endif + + |