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cebix |
1.1 |
/* |
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* serial_amiga.cpp - Serial device driver, AmigaOS specific stuff |
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* |
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* Basilisk II (C) 1997-1999 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#include <exec/types.h> |
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#include <exec/memory.h> |
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#include <exec/errors.h> |
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#include <dos/dos.h> |
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#include <dos/dosextens.h> |
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#include <dos/dostags.h> |
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#include <devices/serial.h> |
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#include <devices/parallel.h> |
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#include <proto/exec.h> |
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#include <proto/dos.h> |
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#include "sysdeps.h" |
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#include "cpu_emulation.h" |
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#include "main.h" |
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#include "macos_util.h" |
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#include "prefs.h" |
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#include "serial.h" |
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#include "serial_defs.h" |
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#define DEBUG 0 |
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#include "debug.h" |
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#define MONITOR 0 |
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// These messages are sent to the serial process |
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const uint32 MSG_QUERY = 'qery'; // Query port status, return status in control_io |
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const uint32 MSG_SET_PARAMS = 'setp'; // Set serial parameters (parameters in control_io) |
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const uint32 MSG_SET_PAR_PARAMS = 'pstp'; // Set parallel parameters (parameters in control_io) |
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const uint32 MSG_KILL_IO = 'kill'; // Kill pending I/O requests |
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const uint32 MSG_BREAK = 'brek'; // Send break |
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const uint32 MSG_RESET = 'rset'; // Reset channel |
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const uint32 MSG_PRIME_IN = 'prin'; // Data input |
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const uint32 MSG_PRIME_OUT = 'pout'; // Data output |
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struct SerMessage : public Message { |
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SerMessage(uint32 what_, const struct MsgPort *reply_port = NULL) |
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{ |
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what = what_; |
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mn_ReplyPort = (struct MsgPort *)reply_port; |
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mn_Length = sizeof(*this); |
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} |
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uint32 what; |
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uint32 pb; |
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}; |
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// Driver private variables |
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class ASERDPort : public SERDPort { |
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public: |
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ASERDPort(const char *dev) |
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{ |
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device_name = dev; |
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if (dev && dev[0] == '*') { |
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is_parallel = true; |
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device_name++; |
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} else |
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is_parallel = false; |
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control_io = NULL; |
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serial_proc = NULL; |
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reply_port = NULL; |
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} |
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virtual ~ASERDPort() |
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{ |
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} |
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virtual int16 Open(uint16 config); |
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virtual int16 PrimeIn(uint32 pb, uint32 dce); |
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virtual int16 PrimeOut(uint32 pb, uint32 dce); |
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virtual int16 Control(uint32 pb, uint32 dce, uint16 code); |
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virtual int16 Status(uint32 pb, uint32 dce, uint16 code); |
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virtual int16 Close(void); |
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private: |
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bool configure(uint16 config); |
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void set_handshake(uint32 s, bool with_dtr); |
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void send_to_proc(uint32 what, uint32 pb = 0); |
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bool query(void); |
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bool set_params(void); |
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bool set_par_params(void); |
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void conv_error(struct IOExtSer *io, uint32 dt); |
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static void serial_func(void); |
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const char *device_name; // Device name |
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bool is_parallel; // Flag: Port is parallel |
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IOExtSer *control_io; // IORequest for setting serial port characteristics etc. |
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struct Process *serial_proc; // Serial device handler process |
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bool proc_error; // Flag: process didn't initialize |
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struct MsgPort *proc_port; // Message port of process, for communication with main task |
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struct MsgPort *reply_port; // Reply port for communication with process |
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uint8 err_mask; // shkErrs |
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}; |
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// Global variables |
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static void *proc_arg; // Argument to process |
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extern struct Task *MainTask; // Pointer to main task (from main_amiga.cpp) |
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/* |
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* Initialization |
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*/ |
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void SerialInit(void) |
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{ |
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// Read serial preferences and create structs for both ports |
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the_serd_port[0] = new ASERDPort(PrefsFindString("seriala")); |
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the_serd_port[1] = new ASERDPort(PrefsFindString("serialb")); |
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} |
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/* |
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* Deinitialization |
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*/ |
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void SerialExit(void) |
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{ |
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delete (ASERDPort *)the_serd_port[0]; |
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delete (ASERDPort *)the_serd_port[1]; |
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} |
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/* |
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* Open serial port |
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*/ |
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int16 ASERDPort::Open(uint16 config) |
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{ |
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// Don't open NULL name devices |
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if (device_name == NULL) |
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return openErr; |
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// Init variables |
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err_mask = 0; |
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// Create message port |
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reply_port = CreateMsgPort(); |
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if (reply_port == NULL) |
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goto open_error; |
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// Start process |
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proc_error = false; |
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proc_arg = this; |
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SetSignal(0, SIGF_SINGLE); |
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serial_proc = CreateNewProcTags( |
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NP_Entry, serial_func, |
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NP_Name, "Basilisk II Serial Task", |
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NP_Priority, 1, |
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TAG_END |
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); |
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if (serial_proc == NULL) |
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goto open_error; |
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// Wait for signal from process |
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Wait(SIGF_SINGLE); |
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// Initialization error? Then bail out |
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if (proc_error) |
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goto open_error; |
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// Configure port |
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configure(config); |
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return noErr; |
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open_error: |
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serial_proc = NULL; |
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if (reply_port) { |
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DeleteMsgPort(reply_port); |
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reply_port = NULL; |
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} |
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return openErr; |
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} |
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/* |
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* Read data from port |
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*/ |
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int16 ASERDPort::PrimeIn(uint32 pb, uint32 dce) |
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{ |
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// Send input command to serial process |
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D(bug("primein\n")); |
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read_done = false; |
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read_pending = true; |
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WriteMacInt32(input_dt + serdtDCE, dce); |
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send_to_proc(MSG_PRIME_IN, pb); |
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return 1; // Command in progress |
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} |
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/* |
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* Write data to port |
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*/ |
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int16 ASERDPort::PrimeOut(uint32 pb, uint32 dce) |
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{ |
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// Send output command to serial process |
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D(bug("primeout\n")); |
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write_done = false; |
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write_pending = true; |
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WriteMacInt32(output_dt + serdtDCE, dce); |
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send_to_proc(MSG_PRIME_OUT, pb); |
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return 1; // Command in progress |
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} |
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/* |
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* Control calls |
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*/ |
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int16 ASERDPort::Control(uint32 pb, uint32 dce, uint16 code) |
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{ |
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D(bug("control(%ld)\n", (uint32)code)); |
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switch (code) { |
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case 1: // KillIO |
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send_to_proc(MSG_KILL_IO); |
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return noErr; |
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| 242 |
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case kSERDConfiguration: |
| 243 |
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if (configure(ReadMacInt16(pb + csParam))) |
| 244 |
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return noErr; |
| 245 |
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else |
| 246 |
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return paramErr; |
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case kSERDInputBuffer: { |
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if (is_parallel) |
| 250 |
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return noErr; |
| 251 |
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int buf = ReadMacInt16(pb + csParam + 4) & 0xffffffc0; |
| 252 |
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if (buf < 1024) // 1k minimum |
| 253 |
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buf = 1024; |
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D(bug(" buffer size is now %08lx\n", buf)); |
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control_io->io_RBufLen = buf; |
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return set_params() ? noErr : paramErr; |
| 257 |
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} |
| 258 |
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case kSERDSerHShake: |
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set_handshake(pb + csParam, false); |
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return noErr; |
| 262 |
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| 263 |
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case kSERDSetBreak: |
| 264 |
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if (!is_parallel) |
| 265 |
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send_to_proc(MSG_BREAK); |
| 266 |
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return noErr; |
| 267 |
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| 268 |
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case kSERDClearBreak: |
| 269 |
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return noErr; |
| 270 |
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| 271 |
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case kSERDBaudRate: |
| 272 |
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if (is_parallel) |
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return noErr; |
| 274 |
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control_io->io_Baud = ReadMacInt16(pb + csParam); |
| 275 |
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D(bug(" baud rate %ld\n", control_io->io_Baud)); |
| 276 |
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return set_params() ? noErr : paramErr; |
| 277 |
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| 278 |
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case kSERDHandshake: |
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case kSERDHandshakeRS232: |
| 280 |
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set_handshake(pb + csParam, true); |
| 281 |
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return noErr; |
| 282 |
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| 283 |
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case kSERDClockMIDI: |
| 284 |
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if (is_parallel) |
| 285 |
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return noErr; |
| 286 |
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control_io->io_Baud = 31250; |
| 287 |
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control_io->io_SerFlags = SERF_XDISABLED | SERF_SHARED; |
| 288 |
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control_io->io_StopBits = 1; |
| 289 |
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control_io->io_ReadLen = control_io->io_WriteLen = 8; |
| 290 |
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return set_params() ? noErr : paramErr; |
| 291 |
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| 292 |
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case kSERDMiscOptions: |
| 293 |
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case kSERDAssertDTR: |
| 294 |
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case kSERDNegateDTR: |
| 295 |
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case kSERDSetPEChar: |
| 296 |
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case kSERDSetPEAltChar: |
| 297 |
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case kSERDAssertRTS: |
| 298 |
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case kSERDNegateRTS: |
| 299 |
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return noErr; // Not supported under AmigaOS |
| 300 |
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| 301 |
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case kSERD115KBaud: |
| 302 |
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if (is_parallel) |
| 303 |
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return noErr; |
| 304 |
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control_io->io_Baud = 115200; |
| 305 |
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return set_params() ? noErr : paramErr; |
| 306 |
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| 307 |
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case kSERD230KBaud: |
| 308 |
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case kSERDSetHighSpeed: |
| 309 |
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if (is_parallel) |
| 310 |
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return noErr; |
| 311 |
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control_io->io_Baud = 230400; |
| 312 |
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return set_params() ? noErr : paramErr; |
| 313 |
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| 314 |
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case kSERDResetChannel: |
| 315 |
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send_to_proc(MSG_RESET); |
| 316 |
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return noErr; |
| 317 |
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| 318 |
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default: |
| 319 |
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printf("WARNING: SerialControl(): unimplemented control code %d\n", code); |
| 320 |
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return controlErr; |
| 321 |
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} |
| 322 |
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} |
| 323 |
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| 324 |
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| 325 |
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/* |
| 326 |
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* Status calls |
| 327 |
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*/ |
| 328 |
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| 329 |
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int16 ASERDPort::Status(uint32 pb, uint32 dce, uint16 code) |
| 330 |
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{ |
| 331 |
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D(bug("status(%ld)\n", (uint32)code)); |
| 332 |
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switch (code) { |
| 333 |
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case kSERDInputCount: |
| 334 |
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WriteMacInt32(pb + csParam, 0); |
| 335 |
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if (!is_parallel) { |
| 336 |
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if (!query()) |
| 337 |
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return noErr; |
| 338 |
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D(bug("status(2) successful, returning %08lx\n", control_io->IOSer.io_Actual)); |
| 339 |
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WriteMacInt32(pb + csParam, control_io->IOSer.io_Actual); |
| 340 |
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} |
| 341 |
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return noErr; |
| 342 |
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| 343 |
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case kSERDStatus: { |
| 344 |
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uint32 p = pb + csParam; |
| 345 |
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WriteMacInt8(p + staCumErrs, cum_errors); |
| 346 |
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cum_errors = 0; |
| 347 |
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WriteMacInt8(p + staRdPend, read_pending); |
| 348 |
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WriteMacInt8(p + staWrPend, write_pending); |
| 349 |
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if (is_parallel) { |
| 350 |
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WriteMacInt8(p + staXOffSent, 0); |
| 351 |
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WriteMacInt8(p + staXOffHold, 0); |
| 352 |
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WriteMacInt8(p + staCtsHold, 0); |
| 353 |
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WriteMacInt8(p + staDsrHold, 0); |
| 354 |
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WriteMacInt8(p + staModemStatus, dsrEvent | dcdEvent | ctsEvent); |
| 355 |
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} else { |
| 356 |
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query(); |
| 357 |
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WriteMacInt8(p + staXOffSent, |
| 358 |
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(control_io->io_Status & IO_STATF_XOFFREAD ? xOffWasSent : 0) |
| 359 |
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| (control_io->io_Status & (1 << 6) ? dtrNegated : 0)); // RTS |
| 360 |
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WriteMacInt8(p + staXOffHold, control_io->io_Status & IO_STATF_XOFFWRITE); |
| 361 |
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WriteMacInt8(p + staCtsHold, control_io->io_Status & (1 << 4)); // CTS |
| 362 |
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WriteMacInt8(p + staDsrHold, control_io->io_Status & (1 << 3)); // DSR |
| 363 |
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WriteMacInt8(p + staModemStatus, |
| 364 |
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(control_io->io_Status & (1 << 3) ? 0 : dsrEvent) |
| 365 |
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| (control_io->io_Status & (1 << 2) ? riEvent : 0) |
| 366 |
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| (control_io->io_Status & (1 << 5) ? 0 : dcdEvent) |
| 367 |
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| (control_io->io_Status & (1 << 4) ? 0 : ctsEvent) |
| 368 |
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| (control_io->io_Status & IO_STATF_READBREAK ? breakEvent : 0)); |
| 369 |
|
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} |
| 370 |
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return noErr; |
| 371 |
|
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} |
| 372 |
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|
| 373 |
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default: |
| 374 |
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printf("WARNING: SerialStatus(): unimplemented status code %d\n", code); |
| 375 |
|
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return statusErr; |
| 376 |
|
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} |
| 377 |
|
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} |
| 378 |
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|
| 379 |
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|
| 380 |
|
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/* |
| 381 |
|
|
* Close serial port |
| 382 |
|
|
*/ |
| 383 |
|
|
|
| 384 |
|
|
int16 ASERDPort::Close() |
| 385 |
|
|
{ |
| 386 |
|
|
// Stop process |
| 387 |
|
|
if (serial_proc) { |
| 388 |
|
|
SetSignal(0, SIGF_SINGLE); |
| 389 |
|
|
Signal(&serial_proc->pr_Task, SIGBREAKF_CTRL_C); |
| 390 |
|
|
Wait(SIGF_SINGLE); |
| 391 |
|
|
} |
| 392 |
|
|
|
| 393 |
|
|
// Delete reply port |
| 394 |
|
|
if (reply_port) { |
| 395 |
|
|
DeleteMsgPort(reply_port); |
| 396 |
|
|
reply_port = NULL; |
| 397 |
|
|
} |
| 398 |
|
|
return noErr; |
| 399 |
|
|
} |
| 400 |
|
|
|
| 401 |
|
|
|
| 402 |
|
|
/* |
| 403 |
|
|
* Configure serial port with MacOS config word |
| 404 |
|
|
*/ |
| 405 |
|
|
|
| 406 |
|
|
bool ASERDPort::configure(uint16 config) |
| 407 |
|
|
{ |
| 408 |
|
|
D(bug(" configure %04lx\n", (uint32)config)); |
| 409 |
|
|
if (is_parallel) |
| 410 |
|
|
return true; |
| 411 |
|
|
|
| 412 |
|
|
// Set number of stop bits |
| 413 |
|
|
switch (config & 0xc000) { |
| 414 |
|
|
case stop10: |
| 415 |
|
|
control_io->io_StopBits = 1; |
| 416 |
|
|
break; |
| 417 |
|
|
case stop20: |
| 418 |
|
|
control_io->io_StopBits = 2; |
| 419 |
|
|
break; |
| 420 |
|
|
default: |
| 421 |
|
|
return false; |
| 422 |
|
|
} |
| 423 |
|
|
|
| 424 |
|
|
// Set parity mode |
| 425 |
|
|
switch (config & 0x3000) { |
| 426 |
|
|
case noParity: |
| 427 |
|
|
control_io->io_SerFlags &= ~SERF_PARTY_ON; |
| 428 |
|
|
break; |
| 429 |
|
|
case oddParity: |
| 430 |
|
|
control_io->io_SerFlags |= SERF_PARTY_ON | SERF_PARTY_ODD; |
| 431 |
|
|
break; |
| 432 |
|
|
case evenParity: |
| 433 |
|
|
control_io->io_SerFlags |= SERF_PARTY_ON; |
| 434 |
|
|
control_io->io_SerFlags &= ~SERF_PARTY_ODD; |
| 435 |
|
|
break; |
| 436 |
|
|
default: |
| 437 |
|
|
return false; |
| 438 |
|
|
} |
| 439 |
|
|
|
| 440 |
|
|
// Set number of data bits |
| 441 |
|
|
switch (config & 0x0c00) { |
| 442 |
|
|
case data5: |
| 443 |
|
|
control_io->io_ReadLen = control_io->io_WriteLen = 5; |
| 444 |
|
|
break; |
| 445 |
|
|
case data6: |
| 446 |
|
|
control_io->io_ReadLen = control_io->io_WriteLen = 6; |
| 447 |
|
|
break; |
| 448 |
|
|
case data7: |
| 449 |
|
|
control_io->io_ReadLen = control_io->io_WriteLen = 7; |
| 450 |
|
|
break; |
| 451 |
|
|
case data8: |
| 452 |
|
|
control_io->io_ReadLen = control_io->io_WriteLen = 8; |
| 453 |
|
|
break; |
| 454 |
|
|
} |
| 455 |
|
|
|
| 456 |
|
|
// Set baud rate |
| 457 |
|
|
control_io->io_Baud = 115200 / ((config & 0x03ff) + 2); |
| 458 |
|
|
return set_params(); |
| 459 |
|
|
} |
| 460 |
|
|
|
| 461 |
|
|
|
| 462 |
|
|
/* |
| 463 |
|
|
* Set serial handshaking |
| 464 |
|
|
*/ |
| 465 |
|
|
|
| 466 |
|
|
void ASERDPort::set_handshake(uint32 s, bool with_dtr) |
| 467 |
|
|
{ |
| 468 |
|
|
D(bug(" set_handshake %02x %02x %02x %02x %02x %02x %02x %02x\n", |
| 469 |
|
|
ReadMacInt8(s + 0), ReadMacInt8(s + 1), ReadMacInt8(s + 2), ReadMacInt8(s + 3), |
| 470 |
|
|
ReadMacInt8(s + 4), ReadMacInt8(s + 5), ReadMacInt8(s + 6), ReadMacInt8(s + 7))); |
| 471 |
|
|
|
| 472 |
|
|
err_mask = ReadMacInt8(s + shkErrs); |
| 473 |
|
|
|
| 474 |
|
|
if (is_parallel) { |
| 475 |
|
|
|
| 476 |
|
|
// Parallel handshake |
| 477 |
|
|
if (with_dtr) { |
| 478 |
|
|
if (ReadMacInt8(s + shkFCTS) || ReadMacInt8(s + shkFDTR)) |
| 479 |
|
|
((IOExtPar *)control_io)->io_ParFlags |= PARF_ACKMODE; |
| 480 |
|
|
else |
| 481 |
|
|
((IOExtPar *)control_io)->io_ParFlags &= ~PARF_ACKMODE; |
| 482 |
|
|
} else { |
| 483 |
|
|
if (ReadMacInt8(s + shkFCTS)) |
| 484 |
|
|
((IOExtPar *)control_io)->io_ParFlags |= PARF_ACKMODE; |
| 485 |
|
|
else |
| 486 |
|
|
((IOExtPar *)control_io)->io_ParFlags &= ~PARF_ACKMODE; |
| 487 |
|
|
} |
| 488 |
|
|
set_par_params(); |
| 489 |
|
|
|
| 490 |
|
|
} else { |
| 491 |
|
|
|
| 492 |
|
|
// Serial handshake |
| 493 |
|
|
if (ReadMacInt8(s + shkFXOn) || ReadMacInt8(s + shkFInX)) |
| 494 |
|
|
control_io->io_SerFlags &= ~SERF_XDISABLED; |
| 495 |
|
|
else |
| 496 |
|
|
control_io->io_SerFlags |= SERF_XDISABLED; |
| 497 |
|
|
|
| 498 |
|
|
if (with_dtr) { |
| 499 |
|
|
if (ReadMacInt8(s + shkFCTS) || ReadMacInt8(s + shkFDTR)) |
| 500 |
|
|
control_io->io_SerFlags |= SERF_7WIRE; |
| 501 |
|
|
else |
| 502 |
|
|
control_io->io_SerFlags &= ~SERF_7WIRE; |
| 503 |
|
|
} else { |
| 504 |
|
|
if (ReadMacInt8(s + shkFCTS)) |
| 505 |
|
|
control_io->io_SerFlags |= SERF_7WIRE; |
| 506 |
|
|
else |
| 507 |
|
|
control_io->io_SerFlags &= ~SERF_7WIRE; |
| 508 |
|
|
} |
| 509 |
|
|
control_io->io_CtlChar = ReadMacInt16(s + shkXOn) << 16; |
| 510 |
|
|
set_params(); |
| 511 |
|
|
} |
| 512 |
|
|
} |
| 513 |
|
|
|
| 514 |
|
|
|
| 515 |
|
|
/* |
| 516 |
|
|
* Send message to serial process |
| 517 |
|
|
*/ |
| 518 |
|
|
|
| 519 |
|
|
void ASERDPort::send_to_proc(uint32 what, uint32 pb) |
| 520 |
|
|
{ |
| 521 |
|
|
D(bug("sending %08lx to serial_proc\n", what)); |
| 522 |
|
|
SerMessage msg(what, reply_port); |
| 523 |
|
|
msg.pb = pb; |
| 524 |
|
|
PutMsg(proc_port, &msg); |
| 525 |
|
|
WaitPort(reply_port); |
| 526 |
|
|
GetMsg(reply_port); |
| 527 |
|
|
D(bug(" sent\n")); |
| 528 |
|
|
} |
| 529 |
|
|
|
| 530 |
|
|
|
| 531 |
|
|
/* |
| 532 |
|
|
* Query serial port status |
| 533 |
|
|
*/ |
| 534 |
|
|
|
| 535 |
|
|
bool ASERDPort::query(void) |
| 536 |
|
|
{ |
| 537 |
|
|
send_to_proc(MSG_QUERY); |
| 538 |
|
|
return control_io->IOSer.io_Error == 0; |
| 539 |
|
|
} |
| 540 |
|
|
|
| 541 |
|
|
|
| 542 |
|
|
/* |
| 543 |
|
|
* Set serial parameters |
| 544 |
|
|
*/ |
| 545 |
|
|
|
| 546 |
|
|
bool ASERDPort::set_params(void) |
| 547 |
|
|
{ |
| 548 |
|
|
// Set/clear RadBoogie |
| 549 |
|
|
UBYTE flags = control_io->io_SerFlags; |
| 550 |
|
|
if (!(flags & SERF_PARTY_ON) && (flags & SERF_XDISABLED) && control_io->io_ReadLen == 8) |
| 551 |
|
|
control_io->io_SerFlags |= SERF_RAD_BOOGIE; |
| 552 |
|
|
else |
| 553 |
|
|
control_io->io_SerFlags &= ~SERF_RAD_BOOGIE; |
| 554 |
|
|
|
| 555 |
|
|
// Send message to serial process |
| 556 |
|
|
send_to_proc(MSG_SET_PARAMS); |
| 557 |
|
|
return control_io->IOSer.io_Error == 0; |
| 558 |
|
|
} |
| 559 |
|
|
|
| 560 |
|
|
|
| 561 |
|
|
/* |
| 562 |
|
|
* Set parallel parameters |
| 563 |
|
|
*/ |
| 564 |
|
|
|
| 565 |
|
|
bool ASERDPort::set_par_params(void) |
| 566 |
|
|
{ |
| 567 |
|
|
send_to_proc(MSG_SET_PAR_PARAMS); |
| 568 |
|
|
return control_io->IOSer.io_Error == 0; |
| 569 |
|
|
} |
| 570 |
|
|
|
| 571 |
|
|
|
| 572 |
|
|
/* |
| 573 |
|
|
* Convert AmigaOS error code to MacOS error code, set serdtResult and cum_errors |
| 574 |
|
|
*/ |
| 575 |
|
|
|
| 576 |
|
|
void ASERDPort::conv_error(struct IOExtSer *io, uint32 dt) |
| 577 |
|
|
{ |
| 578 |
|
|
int16 oserr; |
| 579 |
|
|
uint8 cum; |
| 580 |
|
|
|
| 581 |
|
|
BYTE err = io->IOSer.io_Error; |
| 582 |
|
|
if (err == 0 || err == IOERR_NOCMD) { |
| 583 |
|
|
oserr = 0; |
| 584 |
|
|
cum = 0; |
| 585 |
|
|
} else { |
| 586 |
|
|
if (is_parallel) { |
| 587 |
|
|
oserr = (err_mask & framingErr) ? rcvrErr : 0; |
| 588 |
|
|
cum = framingErr; |
| 589 |
|
|
} else { |
| 590 |
|
|
switch (io->IOSer.io_Error) { |
| 591 |
|
|
case SerErr_DetectedBreak: |
| 592 |
|
|
oserr = breakRecd; |
| 593 |
|
|
cum = breakErr; |
| 594 |
|
|
break; |
| 595 |
|
|
case SerErr_ParityErr: |
| 596 |
|
|
oserr = (err_mask & parityErr) ? rcvrErr : 0; |
| 597 |
|
|
cum = parityErr; |
| 598 |
|
|
break; |
| 599 |
|
|
case SerErr_BufOverflow: |
| 600 |
|
|
oserr = (err_mask & swOverrunErr) ? rcvrErr : 0; |
| 601 |
|
|
cum = swOverrunErr; |
| 602 |
|
|
break; |
| 603 |
|
|
case SerErr_LineErr: |
| 604 |
|
|
oserr = (err_mask & hwOverrunErr) ? rcvrErr : 0; |
| 605 |
|
|
cum = hwOverrunErr; |
| 606 |
|
|
break; |
| 607 |
|
|
default: |
| 608 |
|
|
oserr = (err_mask & framingErr) ? rcvrErr : 0; |
| 609 |
|
|
cum = framingErr; |
| 610 |
|
|
break; |
| 611 |
|
|
} |
| 612 |
|
|
} |
| 613 |
|
|
} |
| 614 |
|
|
|
| 615 |
|
|
WriteMacInt32(dt + serdtResult, oserr); |
| 616 |
|
|
cum_errors |= cum; |
| 617 |
|
|
} |
| 618 |
|
|
|
| 619 |
|
|
|
| 620 |
|
|
/* |
| 621 |
|
|
* Process for communication with the serial.device |
| 622 |
|
|
*/ |
| 623 |
|
|
|
| 624 |
|
|
__saveds void ASERDPort::serial_func(void) |
| 625 |
|
|
{ |
| 626 |
|
|
struct ASERDPort *obj = (ASERDPort *)proc_arg; |
| 627 |
|
|
struct MsgPort *proc_port = NULL, *io_port = NULL, *control_port = NULL; |
| 628 |
|
|
struct IOExtSer *read_io = NULL, *write_io = NULL, *control_io = NULL; |
| 629 |
|
|
uint8 orig_params[sizeof(struct IOExtSer)]; |
| 630 |
|
|
bool opened = false; |
| 631 |
|
|
ULONG io_mask = 0, proc_port_mask = 0; |
| 632 |
|
|
|
| 633 |
|
|
// Default: error occured |
| 634 |
|
|
obj->proc_error = true; |
| 635 |
|
|
|
| 636 |
|
|
// Create message port for communication with main task |
| 637 |
|
|
proc_port = CreateMsgPort(); |
| 638 |
|
|
if (proc_port == NULL) |
| 639 |
|
|
goto quit; |
| 640 |
|
|
proc_port_mask = 1 << proc_port->mp_SigBit; |
| 641 |
|
|
|
| 642 |
|
|
// Create message ports for serial.device I/O |
| 643 |
|
|
io_port = CreateMsgPort(); |
| 644 |
|
|
if (io_port == NULL) |
| 645 |
|
|
goto quit; |
| 646 |
|
|
io_mask = 1 << io_port->mp_SigBit; |
| 647 |
|
|
control_port = CreateMsgPort(); |
| 648 |
|
|
if (control_port == NULL) |
| 649 |
|
|
goto quit; |
| 650 |
|
|
|
| 651 |
|
|
// Create IORequests |
| 652 |
|
|
read_io = (struct IOExtSer *)CreateIORequest(io_port, sizeof(struct IOExtSer)); |
| 653 |
|
|
write_io = (struct IOExtSer *)CreateIORequest(io_port, sizeof(struct IOExtSer)); |
| 654 |
|
|
control_io = (struct IOExtSer *)CreateIORequest(control_port, sizeof(struct IOExtSer)); |
| 655 |
|
|
if (read_io == NULL || write_io == NULL || control_io == NULL) |
| 656 |
|
|
goto quit; |
| 657 |
|
|
read_io->IOSer.io_Message.mn_Node.ln_Type = 0; // Avoid CheckIO() bug |
| 658 |
|
|
write_io->IOSer.io_Message.mn_Node.ln_Type = 0; |
| 659 |
|
|
control_io->IOSer.io_Message.mn_Node.ln_Type = 0; |
| 660 |
|
|
|
| 661 |
|
|
// Parse device name |
| 662 |
|
|
char dev_name[256]; |
| 663 |
|
|
ULONG dev_unit; |
| 664 |
|
|
if (sscanf(obj->device_name, "%[^/]/%ld", dev_name, &dev_unit) < 2) |
| 665 |
|
|
goto quit; |
| 666 |
|
|
|
| 667 |
|
|
// Open device |
| 668 |
|
|
if (obj->is_parallel) |
| 669 |
|
|
((IOExtPar *)read_io)->io_ParFlags = PARF_SHARED; |
| 670 |
|
|
else |
| 671 |
|
|
read_io->io_SerFlags = SERF_SHARED | SERF_7WIRE; |
| 672 |
|
|
if (OpenDevice((UBYTE *)dev_name, dev_unit, (struct IORequest *)read_io, 0) || read_io->IOSer.io_Device == NULL) |
| 673 |
|
|
goto quit; |
| 674 |
|
|
opened = true; |
| 675 |
|
|
|
| 676 |
|
|
// Copy IORequests |
| 677 |
|
|
memcpy(write_io, read_io, sizeof(struct IOExtSer)); |
| 678 |
|
|
memcpy(control_io, read_io, sizeof(struct IOExtSer)); |
| 679 |
|
|
|
| 680 |
|
|
// Attach control_io to control_port and set default values |
| 681 |
|
|
control_io->IOSer.io_Message.mn_ReplyPort = control_port; |
| 682 |
|
|
if (!obj->is_parallel) { |
| 683 |
|
|
control_io->io_CtlChar = SER_DEFAULT_CTLCHAR; |
| 684 |
|
|
control_io->io_RBufLen = 64; |
| 685 |
|
|
control_io->io_ExtFlags = 0; |
| 686 |
|
|
control_io->io_Baud = 9600; |
| 687 |
|
|
control_io->io_BrkTime = 250000; |
| 688 |
|
|
control_io->io_ReadLen = control_io->io_WriteLen = 8; |
| 689 |
|
|
control_io->io_StopBits = 1; |
| 690 |
|
|
control_io->io_SerFlags = SERF_SHARED; |
| 691 |
|
|
control_io->IOSer.io_Command = SDCMD_SETPARAMS; |
| 692 |
|
|
DoIO((struct IORequest *)control_io); |
| 693 |
|
|
memcpy(orig_params, &(control_io->io_CtlChar), (uint8 *)&(control_io->io_Status) - (uint8 *)&(control_io->io_CtlChar)); |
| 694 |
|
|
} |
| 695 |
|
|
|
| 696 |
|
|
// Initialization went well, inform main task |
| 697 |
|
|
obj->proc_port = proc_port; |
| 698 |
|
|
obj->control_io = control_io; |
| 699 |
|
|
obj->proc_error = false; |
| 700 |
|
|
Signal(MainTask, SIGF_SINGLE); |
| 701 |
|
|
|
| 702 |
|
|
// Main loop |
| 703 |
|
|
for (;;) { |
| 704 |
|
|
|
| 705 |
|
|
// Wait for I/O and messages (CTRL_C is used for quitting the task) |
| 706 |
|
|
ULONG sig = Wait(proc_port_mask | io_mask | SIGBREAKF_CTRL_C); |
| 707 |
|
|
|
| 708 |
|
|
// Main task wants to quit us |
| 709 |
|
|
if (sig & SIGBREAKF_CTRL_C) |
| 710 |
|
|
break; |
| 711 |
|
|
|
| 712 |
|
|
// Main task sent a command to us |
| 713 |
|
|
if (sig & proc_port_mask) { |
| 714 |
|
|
struct SerMessage *msg; |
| 715 |
|
|
while (msg = (SerMessage *)GetMsg(proc_port)) { |
| 716 |
|
|
D(bug("serial_proc received %08lx\n", msg->what)); |
| 717 |
|
|
switch (msg->what) { |
| 718 |
|
|
case MSG_QUERY: |
| 719 |
|
|
control_io->IOSer.io_Command = SDCMD_QUERY; |
| 720 |
|
|
DoIO((struct IORequest *)control_io); |
| 721 |
|
|
D(bug(" query returned %08lx, actual %08lx\n", control_io->IOSer.io_Error, control_io->IOSer.io_Actual)); |
| 722 |
|
|
break; |
| 723 |
|
|
|
| 724 |
|
|
case MSG_SET_PARAMS: |
| 725 |
|
|
// Only send SDCMD_SETPARAMS when configuration has changed |
| 726 |
|
|
if (memcmp(orig_params, &(control_io->io_CtlChar), (uint8 *)&(control_io->io_Status) - (uint8 *)&(control_io->io_CtlChar))) { |
| 727 |
|
|
memcpy(orig_params, &(control_io->io_CtlChar), (uint8 *)&(control_io->io_Status) - (uint8 *)&(control_io->io_CtlChar)); |
| 728 |
|
|
memcpy(&(read_io->io_CtlChar), &(control_io->io_CtlChar), (uint8 *)&(control_io->io_Status) - (uint8 *)&(control_io->io_CtlChar)); |
| 729 |
|
|
memcpy(&(write_io->io_CtlChar), &(control_io->io_CtlChar), (uint8 *)&(control_io->io_Status) - (uint8 *)&(control_io->io_CtlChar)); |
| 730 |
|
|
control_io->IOSer.io_Command = SDCMD_SETPARAMS; |
| 731 |
|
|
D(bug(" params %08lx %08lx %08lx %08lx %08lx %08lx\n", control_io->io_CtlChar, control_io->io_RBufLen, control_io->io_ExtFlags, control_io->io_Baud, control_io->io_BrkTime, *(uint32 *)((uint8 *)control_io + 76))); |
| 732 |
|
|
DoIO((struct IORequest *)control_io); |
| 733 |
|
|
D(bug(" set_parms returned %08lx\n", control_io->IOSer.io_Error)); |
| 734 |
|
|
} |
| 735 |
|
|
break; |
| 736 |
|
|
|
| 737 |
|
|
case MSG_SET_PAR_PARAMS: |
| 738 |
|
|
control_io->IOSer.io_Command = PDCMD_SETPARAMS; |
| 739 |
|
|
DoIO((struct IORequest *)control_io); |
| 740 |
|
|
D(bug(" set_par_parms returned %08lx\n", control_io->IOSer.io_Error)); |
| 741 |
|
|
break; |
| 742 |
|
|
|
| 743 |
|
|
case MSG_BREAK: |
| 744 |
|
|
control_io->IOSer.io_Command = SDCMD_BREAK; |
| 745 |
|
|
DoIO((struct IORequest *)control_io); |
| 746 |
|
|
D(bug(" break returned %08lx\n", control_io->IOSer.io_Error)); |
| 747 |
|
|
break; |
| 748 |
|
|
|
| 749 |
|
|
case MSG_RESET: |
| 750 |
|
|
control_io->IOSer.io_Command = CMD_RESET; |
| 751 |
|
|
DoIO((struct IORequest *)control_io); |
| 752 |
|
|
D(bug(" reset returned %08lx\n", control_io->IOSer.io_Error)); |
| 753 |
|
|
break; |
| 754 |
|
|
|
| 755 |
|
|
case MSG_KILL_IO: |
| 756 |
|
|
AbortIO((struct IORequest *)read_io); |
| 757 |
|
|
AbortIO((struct IORequest *)write_io); |
| 758 |
|
|
WaitIO((struct IORequest *)read_io); |
| 759 |
|
|
WaitIO((struct IORequest *)write_io); |
| 760 |
|
|
obj->read_pending = obj->write_pending = false; |
| 761 |
|
|
obj->read_done = obj->write_done = false; |
| 762 |
|
|
break; |
| 763 |
|
|
|
| 764 |
|
|
case MSG_PRIME_IN: |
| 765 |
|
|
read_io->IOSer.io_Message.mn_Node.ln_Name = (char *)msg->pb; |
| 766 |
|
|
read_io->IOSer.io_Data = Mac2HostAddr(ReadMacInt32(msg->pb + ioBuffer)); |
| 767 |
|
|
read_io->IOSer.io_Length = ReadMacInt32(msg->pb + ioReqCount); |
| 768 |
|
|
read_io->IOSer.io_Actual = 0; |
| 769 |
|
|
read_io->IOSer.io_Command = CMD_READ; |
| 770 |
|
|
D(bug("serial_proc receiving %ld bytes from %08lx\n", read_io->IOSer.io_Length, read_io->IOSer.io_Data)); |
| 771 |
|
|
SendIO((struct IORequest *)read_io); |
| 772 |
|
|
break; |
| 773 |
|
|
|
| 774 |
|
|
case MSG_PRIME_OUT: { |
| 775 |
|
|
write_io->IOSer.io_Message.mn_Node.ln_Name = (char *)msg->pb; |
| 776 |
|
|
write_io->IOSer.io_Data = Mac2HostAddr(ReadMacInt32(msg->pb + ioBuffer)); |
| 777 |
|
|
write_io->IOSer.io_Length = ReadMacInt32(msg->pb + ioReqCount); |
| 778 |
|
|
write_io->IOSer.io_Actual = 0; |
| 779 |
|
|
write_io->IOSer.io_Command = CMD_WRITE; |
| 780 |
|
|
D(bug("serial_proc transmitting %ld bytes from %08lx\n", write_io->IOSer.io_Length, write_io->IOSer.io_Data)); |
| 781 |
|
|
#if MONITOR |
| 782 |
|
|
bug("Sending serial data:\n"); |
| 783 |
|
|
uint8 *adr = Mac2HostAddr(ReadMacInt32(msg->pb + ioBuffer)); |
| 784 |
|
|
for (int i=0; i<len; i++) { |
| 785 |
|
|
bug("%02lx ", adr[i]); |
| 786 |
|
|
} |
| 787 |
|
|
bug("\n"); |
| 788 |
|
|
#endif |
| 789 |
|
|
SendIO((struct IORequest *)write_io); |
| 790 |
|
|
break; |
| 791 |
|
|
} |
| 792 |
|
|
} |
| 793 |
|
|
D(bug(" serial_proc replying\n")); |
| 794 |
|
|
ReplyMsg(msg); |
| 795 |
|
|
} |
| 796 |
|
|
} |
| 797 |
|
|
|
| 798 |
|
|
// I/O operation completed |
| 799 |
|
|
if (sig & io_mask) { |
| 800 |
|
|
struct IOExtSer *io; |
| 801 |
|
|
while (io = (struct IOExtSer *)GetMsg(io_port)) { |
| 802 |
|
|
if (io == read_io) { |
| 803 |
|
|
D(bug("read_io complete, %ld bytes received, error %ld\n", read_io->IOSer.io_Actual, read_io->IOSer.io_Error)); |
| 804 |
|
|
uint32 pb = (uint32)read_io->IOSer.io_Message.mn_Node.ln_Name; |
| 805 |
|
|
#if MONITOR |
| 806 |
|
|
bug("Receiving serial data:\n"); |
| 807 |
|
|
uint8 *adr = Mac2HostAddr(ReadMacInt32(msg->pb + ioBuffer)); |
| 808 |
|
|
for (int i=0; i<read_io->IOSer.io_Actual; i++) { |
| 809 |
|
|
bug("%02lx ", adr[i]); |
| 810 |
|
|
} |
| 811 |
|
|
bug("\n"); |
| 812 |
|
|
#endif |
| 813 |
|
|
WriteMacInt32(pb + ioActCount, read_io->IOSer.io_Actual); |
| 814 |
|
|
obj->conv_error(read_io, obj->input_dt); |
| 815 |
|
|
obj->read_done = true; |
| 816 |
|
|
SetInterruptFlag(INTFLAG_SERIAL); |
| 817 |
|
|
TriggerInterrupt(); |
| 818 |
|
|
} else if (io == write_io) { |
| 819 |
|
|
D(bug("write_io complete, %ld bytes sent, error %ld\n", write_io->IOSer.io_Actual, write_io->IOSer.io_Error)); |
| 820 |
|
|
uint32 pb = (uint32)write_io->IOSer.io_Message.mn_Node.ln_Name; |
| 821 |
|
|
WriteMacInt32(pb + ioActCount, write_io->IOSer.io_Actual); |
| 822 |
|
|
obj->conv_error(write_io, obj->output_dt); |
| 823 |
|
|
obj->write_done = true; |
| 824 |
|
|
SetInterruptFlag(INTFLAG_SERIAL); |
| 825 |
|
|
TriggerInterrupt(); |
| 826 |
|
|
} |
| 827 |
|
|
} |
| 828 |
|
|
} |
| 829 |
|
|
} |
| 830 |
|
|
quit: |
| 831 |
|
|
|
| 832 |
|
|
// Close everything |
| 833 |
|
|
if (opened) { |
| 834 |
|
|
if (CheckIO((struct IORequest *)write_io) == 0) { |
| 835 |
|
|
AbortIO((struct IORequest *)write_io); |
| 836 |
|
|
WaitIO((struct IORequest *)write_io); |
| 837 |
|
|
} |
| 838 |
|
|
if (CheckIO((struct IORequest *)read_io) == 0) { |
| 839 |
|
|
AbortIO((struct IORequest *)read_io); |
| 840 |
|
|
WaitIO((struct IORequest *)read_io); |
| 841 |
|
|
} |
| 842 |
|
|
CloseDevice((struct IORequest *)read_io); |
| 843 |
|
|
} |
| 844 |
|
|
if (control_io) |
| 845 |
|
|
DeleteIORequest(control_io); |
| 846 |
|
|
if (write_io) |
| 847 |
|
|
DeleteIORequest(write_io); |
| 848 |
|
|
if (read_io) |
| 849 |
|
|
DeleteIORequest(read_io); |
| 850 |
|
|
if (control_port) |
| 851 |
|
|
DeleteMsgPort(control_port); |
| 852 |
|
|
if (io_port) |
| 853 |
|
|
DeleteMsgPort(io_port); |
| 854 |
|
|
|
| 855 |
|
|
// Send signal to main task to confirm termination |
| 856 |
|
|
Forbid(); |
| 857 |
|
|
Signal(MainTask, SIGF_SINGLE); |
| 858 |
|
|
} |
