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cebix |
1.1 |
/* |
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* serial_beos.cpp - Serial device driver, BeOS 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 <string.h> |
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#include <stdio.h> |
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#include <unistd.h> |
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#include <DeviceKit.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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// Buffer size for kernel-space transfers |
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const int TMP_BUF_SIZE = 2048; |
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// These packets are sent to the input/output threads |
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const uint32 CMD_READ = 'read'; |
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const uint32 CMD_WRITE = 'writ'; |
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const uint32 CMD_QUIT = 'quit'; |
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struct ThreadPacket { |
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uint32 pb; |
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}; |
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// Driver private variables |
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class BeSERDPort : public SERDPort { |
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public: |
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BeSERDPort(const char *dev) |
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{ |
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device_name = dev; |
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if (strstr(dev, "parallel")) { |
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is_parallel = true; |
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fd = -1; |
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device = NULL; |
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} else { |
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is_parallel = false; |
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device = new BSerialPort; |
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} |
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device_sem = create_sem(1, "serial port"); |
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input_thread = output_thread = 0; |
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} |
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virtual ~BeSERDPort() |
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{ |
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status_t l; |
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if (input_thread > 0) { |
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send_data(input_thread, CMD_QUIT, NULL, 0); |
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suspend_thread(input_thread); // Unblock thread |
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snooze(1000); |
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resume_thread(input_thread); |
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wait_for_thread(input_thread, &l); |
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} |
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if (output_thread > 0) { |
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send_data(output_thread, CMD_QUIT, NULL, 0); |
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suspend_thread(output_thread); // Unblock thread |
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snooze(1000); |
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resume_thread(output_thread); |
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wait_for_thread(output_thread, &l); |
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} |
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acquire_sem(device_sem); |
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delete_sem(device_sem); |
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delete device; |
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} |
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cebix |
1.2 |
virtual int16 open(uint16 config); |
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virtual int16 prime_in(uint32 pb, uint32 dce); |
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virtual int16 prime_out(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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cebix |
1.1 |
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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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static status_t input_func(void *arg); |
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static status_t output_func(void *arg); |
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const char *device_name; // Name of BeOS port |
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BSerialPort *device; // BeOS port object |
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bool is_parallel; // Flag: Port is parallel, use fd |
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int fd; // FD for parallel ports |
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sem_id device_sem; // BSerialPort arbitration |
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thread_id input_thread; // Data input thread |
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thread_id output_thread; // Data output thread |
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bool io_killed; // Flag: KillIO called, I/O threads must not call deferred tasks |
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bool drop_dtr_on_close; // Flag: Negate DTR when driver is closed |
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uint8 tmp_in_buf[TMP_BUF_SIZE]; // Buffers for copying from/to kernel space |
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uint8 tmp_out_buf[TMP_BUF_SIZE]; |
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}; |
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#if DEBUG |
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static const int baud_rates[] = { |
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0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 31250 |
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}; |
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#endif |
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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 BeSERDPort(PrefsFindString("seriala")); |
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the_serd_port[1] = new BeSERDPort(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 (BeSERDPort *)the_serd_port[0]; |
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delete (BeSERDPort *)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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cebix |
1.2 |
int16 BeSERDPort::open(uint16 config) |
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cebix |
1.1 |
{ |
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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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io_killed = false; |
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drop_dtr_on_close = true; |
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// Open port |
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while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
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if (is_parallel) { |
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char name[256]; |
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sprintf(name, "/dev/parallel/%s", device_name); |
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fd = open(name, O_WRONLY); |
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if (fd < 0) { |
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release_sem(device_sem); |
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return openErr; |
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} |
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} else { |
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device->SetFlowControl(B_HARDWARE_CONTROL); // Must be set before port is opened |
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if (device->Open(device_name) > 0) { |
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device->SetBlocking(true); |
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device->SetTimeout(10000000); |
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device->SetDTR(true); |
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device->SetRTS(true); |
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} else { |
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release_sem(device_sem); |
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return openErr; |
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} |
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} |
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// Start input/output threads |
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release_sem(device_sem); |
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configure(config); |
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while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
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while ((input_thread = spawn_thread(input_func, "Serial Input", B_NORMAL_PRIORITY, this)) == B_INTERRUPTED) ; |
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resume_thread(input_thread); |
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while ((output_thread = spawn_thread(output_func, "Serial Output", B_NORMAL_PRIORITY, this)) == B_INTERRUPTED) ; |
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resume_thread(output_thread); |
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release_sem(device_sem); |
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return noErr; |
| 200 |
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} |
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/* |
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* Read data from port |
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*/ |
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cebix |
1.2 |
int16 BeSERDPort::prime_in(uint32 pb, uint32 dce) |
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cebix |
1.1 |
{ |
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// Send input command to input_thread |
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read_done = false; |
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read_pending = true; |
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ThreadPacket p; |
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p.pb = pb; |
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WriteMacInt32(input_dt + serdtDCE, dce); |
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while (send_data(input_thread, CMD_READ, &p, sizeof(ThreadPacket)) == B_INTERRUPTED) ; |
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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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cebix |
1.2 |
int16 BeSERDPort::prime_out(uint32 pb, uint32 dce) |
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cebix |
1.1 |
{ |
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// Send output command to output_thread |
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write_done = false; |
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write_pending = true; |
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ThreadPacket p; |
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p.pb = pb; |
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WriteMacInt32(output_dt + serdtDCE, dce); |
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while (send_data(output_thread, CMD_WRITE, &p, sizeof(ThreadPacket)) == B_INTERRUPTED) ; |
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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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cebix |
1.2 |
int16 BeSERDPort::control(uint32 pb, uint32 dce, uint16 code) |
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cebix |
1.1 |
{ |
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switch (code) { |
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case 1: // KillIO |
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io_killed = true; |
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suspend_thread(input_thread); // Unblock threads |
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suspend_thread(output_thread); |
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snooze(1000); |
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resume_thread(input_thread); |
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resume_thread(output_thread); |
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while (read_pending || write_pending) |
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snooze(10000); |
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if (!is_parallel) { |
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while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
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device->ClearInput(); |
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device->ClearOutput(); |
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release_sem(device_sem); |
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} |
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io_killed = false; |
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return noErr; |
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case kSERDConfiguration: |
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if (configure(ReadMacInt16(pb + csParam))) |
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return noErr; |
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else |
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return paramErr; |
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case kSERDInputBuffer: |
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return noErr; // Not supported under BeOS |
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case kSERDSerHShake: |
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set_handshake(pb + csParam, false); |
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return noErr; |
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case kSERDClearBreak: |
| 276 |
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case kSERDSetBreak: |
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return noErr; // Not supported under BeOS |
| 278 |
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| 279 |
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case kSERDBaudRate: |
| 280 |
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if (!is_parallel) { |
| 281 |
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uint16 rate = ReadMacInt16(pb + csParam); |
| 282 |
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data_rate baud_rate; |
| 283 |
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if (rate <= 50) { |
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rate = 50; baud_rate = B_50_BPS; |
| 285 |
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} else if (rate <= 75) { |
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rate = 75; baud_rate = B_75_BPS; |
| 287 |
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} else if (rate <= 110) { |
| 288 |
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rate = 110; baud_rate = B_110_BPS; |
| 289 |
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} else if (rate <= 134) { |
| 290 |
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rate = 134; baud_rate = B_134_BPS; |
| 291 |
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} else if (rate <= 150) { |
| 292 |
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rate = 150; baud_rate = B_150_BPS; |
| 293 |
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} else if (rate <= 200) { |
| 294 |
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rate = 200; baud_rate = B_200_BPS; |
| 295 |
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} else if (rate <= 300) { |
| 296 |
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rate = 300; baud_rate = B_300_BPS; |
| 297 |
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} else if (rate <= 600) { |
| 298 |
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rate = 600; baud_rate = B_600_BPS; |
| 299 |
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} else if (rate <= 1200) { |
| 300 |
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rate = 1200; baud_rate = B_1200_BPS; |
| 301 |
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} else if (rate <= 1800) { |
| 302 |
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rate = 1800; baud_rate = B_1800_BPS; |
| 303 |
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} else if (rate <= 2400) { |
| 304 |
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rate = 2400; baud_rate = B_2400_BPS; |
| 305 |
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} else if (rate <= 4800) { |
| 306 |
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rate = 4800; baud_rate = B_4800_BPS; |
| 307 |
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} else if (rate <= 9600) { |
| 308 |
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rate = 9600; baud_rate = B_9600_BPS; |
| 309 |
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} else if (rate <= 19200) { |
| 310 |
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rate = 19200; baud_rate = B_19200_BPS; |
| 311 |
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} else if (rate <= 31250) { |
| 312 |
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rate = 31250; baud_rate = B_31250_BPS; |
| 313 |
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} else if (rate <= 38400) { |
| 314 |
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rate = 38400; baud_rate = B_38400_BPS; |
| 315 |
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} else if (rate <= 57600) { |
| 316 |
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rate = 57600; baud_rate = B_57600_BPS; |
| 317 |
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} |
| 318 |
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WriteMacInt16(pb + csParam, rate); |
| 319 |
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acquire_sem(device_sem); |
| 320 |
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if (device->SetDataRate(baud_rate) == B_OK) { |
| 321 |
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release_sem(device_sem); |
| 322 |
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return noErr; |
| 323 |
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} else { |
| 324 |
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release_sem(device_sem); |
| 325 |
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return paramErr; |
| 326 |
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} |
| 327 |
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} else |
| 328 |
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return noErr; |
| 329 |
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| 330 |
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case kSERDHandshake: |
| 331 |
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case kSERDHandshakeRS232: |
| 332 |
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set_handshake(pb + csParam, true); |
| 333 |
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return noErr; |
| 334 |
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| 335 |
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case kSERDClockMIDI: |
| 336 |
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if (!is_parallel) { |
| 337 |
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while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 338 |
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device->SetParityMode(B_NO_PARITY); |
| 339 |
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device->SetDataBits(B_DATA_BITS_8); |
| 340 |
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device->SetStopBits(B_STOP_BITS_1); |
| 341 |
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if (device->SetDataRate(B_31250_BPS) == B_OK) { |
| 342 |
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release_sem(device_sem); |
| 343 |
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return noErr; |
| 344 |
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} else { |
| 345 |
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release_sem(device_sem); |
| 346 |
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return paramErr; |
| 347 |
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} |
| 348 |
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} else |
| 349 |
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return noErr; |
| 350 |
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| 351 |
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case kSERDMiscOptions: |
| 352 |
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drop_dtr_on_close = !(ReadMacInt8(pb + csParam) & kOptionPreserveDTR); |
| 353 |
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return noErr; |
| 354 |
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| 355 |
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case kSERDAssertDTR: |
| 356 |
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if (!is_parallel) { |
| 357 |
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while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 358 |
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device->SetDTR(true); |
| 359 |
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release_sem(device_sem); |
| 360 |
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} |
| 361 |
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return noErr; |
| 362 |
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| 363 |
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case kSERDNegateDTR: |
| 364 |
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if (!is_parallel) { |
| 365 |
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while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 366 |
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device->SetDTR(false); |
| 367 |
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release_sem(device_sem); |
| 368 |
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} |
| 369 |
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return noErr; |
| 370 |
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| 371 |
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case kSERDSetPEChar: |
| 372 |
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case kSERDSetPEAltChar: |
| 373 |
|
|
return noErr; // Not supported under BeOS |
| 374 |
|
|
|
| 375 |
|
|
case kSERDResetChannel: |
| 376 |
|
|
if (!is_parallel) { |
| 377 |
|
|
while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 378 |
|
|
device->ClearInput(); |
| 379 |
|
|
device->ClearOutput(); |
| 380 |
|
|
release_sem(device_sem); |
| 381 |
|
|
} |
| 382 |
|
|
return noErr; |
| 383 |
|
|
|
| 384 |
|
|
case kSERDAssertRTS: |
| 385 |
|
|
if (!is_parallel) { |
| 386 |
|
|
while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 387 |
|
|
device->SetRTS(true); |
| 388 |
|
|
release_sem(device_sem); |
| 389 |
|
|
} |
| 390 |
|
|
return noErr; |
| 391 |
|
|
|
| 392 |
|
|
case kSERDNegateRTS: |
| 393 |
|
|
if (!is_parallel) { |
| 394 |
|
|
while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 395 |
|
|
device->SetRTS(false); |
| 396 |
|
|
release_sem(device_sem); |
| 397 |
|
|
} |
| 398 |
|
|
return noErr; |
| 399 |
|
|
|
| 400 |
|
|
case kSERD115KBaud: |
| 401 |
|
|
if (!is_parallel) { |
| 402 |
|
|
while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 403 |
|
|
if (device->DataRate() != B_115200_BPS) |
| 404 |
|
|
if (device->SetDataRate(B_115200_BPS) != B_OK) { |
| 405 |
|
|
release_sem(device_sem); |
| 406 |
|
|
return paramErr; |
| 407 |
|
|
} |
| 408 |
|
|
release_sem(device_sem); |
| 409 |
|
|
} |
| 410 |
|
|
return noErr; |
| 411 |
|
|
|
| 412 |
|
|
case kSERD230KBaud: |
| 413 |
|
|
case kSERDSetHighSpeed: |
| 414 |
|
|
if (!is_parallel) { |
| 415 |
|
|
while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 416 |
|
|
if (device->DataRate() != B_230400_BPS) |
| 417 |
|
|
if (device->SetDataRate(B_230400_BPS) != B_OK) { |
| 418 |
|
|
release_sem(device_sem); |
| 419 |
|
|
return paramErr; |
| 420 |
|
|
} |
| 421 |
|
|
release_sem(device_sem); |
| 422 |
|
|
} |
| 423 |
|
|
return noErr; |
| 424 |
|
|
|
| 425 |
|
|
default: |
| 426 |
|
|
printf("WARNING: SerialControl(): unimplemented control code %d\n", code); |
| 427 |
|
|
return controlErr; |
| 428 |
|
|
} |
| 429 |
|
|
} |
| 430 |
|
|
|
| 431 |
|
|
|
| 432 |
|
|
/* |
| 433 |
|
|
* Status calls |
| 434 |
|
|
*/ |
| 435 |
|
|
|
| 436 |
cebix |
1.2 |
int16 BeSERDPort::status(uint32 pb, uint32 dce, uint16 code) |
| 437 |
cebix |
1.1 |
{ |
| 438 |
|
|
switch (code) { |
| 439 |
|
|
case kSERDInputCount: |
| 440 |
|
|
WriteMacInt32(pb + csParam, 0); |
| 441 |
|
|
if (!is_parallel) { |
| 442 |
|
|
int32 num = 0; |
| 443 |
|
|
while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 444 |
|
|
device->NumCharsAvailable(&num); |
| 445 |
|
|
release_sem(device_sem); |
| 446 |
|
|
D(bug(" %d bytes in buffer\n", num)); |
| 447 |
|
|
WriteMacInt32(pb + csParam, num); |
| 448 |
|
|
} |
| 449 |
|
|
return noErr; |
| 450 |
|
|
|
| 451 |
|
|
case kSERDStatus: { |
| 452 |
|
|
uint32 p = pb + csParam; |
| 453 |
|
|
WriteMacInt8(p + staCumErrs, cum_errors); |
| 454 |
|
|
cum_errors = 0; |
| 455 |
|
|
WriteMacInt8(p + staXOffSent, 0); |
| 456 |
|
|
WriteMacInt8(p + staXOffHold, 0); |
| 457 |
|
|
WriteMacInt8(p + staRdPend, read_pending); |
| 458 |
|
|
WriteMacInt8(p + staWrPend, write_pending); |
| 459 |
|
|
if (is_parallel) { |
| 460 |
|
|
WriteMacInt8(p + staCtsHold, 0); |
| 461 |
|
|
WriteMacInt8(p + staDsrHold, 0); |
| 462 |
|
|
WriteMacInt8(p + staModemStatus, dsrEvent | dcdEvent | ctsEvent); |
| 463 |
|
|
} else { |
| 464 |
|
|
while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 465 |
|
|
WriteMacInt8(p + staCtsHold, !device->IsCTS()); |
| 466 |
|
|
WriteMacInt8(p + staDsrHold, !device->IsDSR()); |
| 467 |
|
|
WriteMacInt8(p + staModemStatus, |
| 468 |
|
|
(device->IsDSR() ? dsrEvent : 0) |
| 469 |
|
|
| (device->IsRI() ? riEvent : 0) |
| 470 |
|
|
| (device->IsDCD() ? dcdEvent : 0) |
| 471 |
|
|
| (device->IsCTS() ? ctsEvent : 0)); |
| 472 |
|
|
release_sem(device_sem); |
| 473 |
|
|
} |
| 474 |
|
|
return noErr; |
| 475 |
|
|
} |
| 476 |
|
|
|
| 477 |
|
|
default: |
| 478 |
|
|
printf("WARNING: SerialStatus(): unimplemented status code %d\n", code); |
| 479 |
|
|
return statusErr; |
| 480 |
|
|
} |
| 481 |
|
|
} |
| 482 |
|
|
|
| 483 |
|
|
|
| 484 |
|
|
/* |
| 485 |
|
|
* Close serial port |
| 486 |
|
|
*/ |
| 487 |
|
|
|
| 488 |
cebix |
1.2 |
int16 BeSERDPort::close() |
| 489 |
cebix |
1.1 |
{ |
| 490 |
|
|
// Kill threads |
| 491 |
|
|
status_t l; |
| 492 |
|
|
io_killed = true; |
| 493 |
|
|
if (input_thread > 0) { |
| 494 |
|
|
while (send_data(input_thread, CMD_QUIT, NULL, 0) == B_INTERRUPTED) ; |
| 495 |
|
|
if (read_pending) { |
| 496 |
|
|
suspend_thread(input_thread); // Unblock thread |
| 497 |
|
|
snooze(1000); |
| 498 |
|
|
resume_thread(input_thread); |
| 499 |
|
|
} |
| 500 |
|
|
while (wait_for_thread(input_thread, &l) == B_INTERRUPTED) ; |
| 501 |
|
|
} |
| 502 |
|
|
if (output_thread > 0) { |
| 503 |
|
|
while (send_data(output_thread, CMD_QUIT, NULL, 0) == B_INTERRUPTED) ; |
| 504 |
|
|
if (write_pending) { |
| 505 |
|
|
suspend_thread(output_thread); // Unblock thread |
| 506 |
|
|
snooze(1000); |
| 507 |
|
|
resume_thread(output_thread); |
| 508 |
|
|
} |
| 509 |
|
|
while (wait_for_thread(output_thread, &l) == B_INTERRUPTED) ; |
| 510 |
|
|
} |
| 511 |
|
|
input_thread = output_thread = 0; |
| 512 |
|
|
|
| 513 |
|
|
// Close port |
| 514 |
|
|
while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 515 |
|
|
if (is_parallel) { |
| 516 |
|
|
close(fd); |
| 517 |
|
|
fd = -1; |
| 518 |
|
|
} else { |
| 519 |
|
|
if (drop_dtr_on_close) |
| 520 |
|
|
device->SetDTR(false); |
| 521 |
|
|
device->Close(); |
| 522 |
|
|
} |
| 523 |
|
|
release_sem(device_sem); |
| 524 |
|
|
return noErr; |
| 525 |
|
|
} |
| 526 |
|
|
|
| 527 |
|
|
|
| 528 |
|
|
/* |
| 529 |
|
|
* Configure serial port with MacOS config word |
| 530 |
|
|
*/ |
| 531 |
|
|
|
| 532 |
|
|
bool BeSERDPort::configure(uint16 config) |
| 533 |
|
|
{ |
| 534 |
|
|
D(bug(" configure %04x\n", config)); |
| 535 |
|
|
if (is_parallel) |
| 536 |
|
|
return true; |
| 537 |
|
|
|
| 538 |
|
|
while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 539 |
|
|
|
| 540 |
|
|
// Set number of stop bits |
| 541 |
|
|
switch (config & 0xc000) { |
| 542 |
|
|
case stop10: |
| 543 |
|
|
if (device->StopBits() != B_STOP_BITS_1) |
| 544 |
|
|
device->SetStopBits(B_STOP_BITS_1); |
| 545 |
|
|
break; |
| 546 |
|
|
case stop20: |
| 547 |
|
|
if (device->StopBits() != B_STOP_BITS_2) |
| 548 |
|
|
device->SetStopBits(B_STOP_BITS_2); |
| 549 |
|
|
break; |
| 550 |
|
|
default: |
| 551 |
|
|
release_sem(device_sem); |
| 552 |
|
|
return false; |
| 553 |
|
|
} |
| 554 |
|
|
|
| 555 |
|
|
// Set parity mode |
| 556 |
|
|
switch (config & 0x3000) { |
| 557 |
|
|
case noParity: |
| 558 |
|
|
if (device->ParityMode() != B_NO_PARITY) |
| 559 |
|
|
device->SetParityMode(B_NO_PARITY); |
| 560 |
|
|
break; |
| 561 |
|
|
case oddParity: |
| 562 |
|
|
if (device->ParityMode() != B_ODD_PARITY) |
| 563 |
|
|
device->SetParityMode(B_ODD_PARITY); |
| 564 |
|
|
break; |
| 565 |
|
|
case evenParity: |
| 566 |
|
|
if (device->ParityMode() != B_EVEN_PARITY) |
| 567 |
|
|
device->SetParityMode(B_EVEN_PARITY); |
| 568 |
|
|
break; |
| 569 |
|
|
default: |
| 570 |
|
|
release_sem(device_sem); |
| 571 |
|
|
return false; |
| 572 |
|
|
} |
| 573 |
|
|
|
| 574 |
|
|
// Set number of data bits |
| 575 |
|
|
switch (config & 0x0c00) { |
| 576 |
|
|
case data7: |
| 577 |
|
|
if (device->DataBits() != B_DATA_BITS_7) |
| 578 |
|
|
device->SetDataBits(B_DATA_BITS_7); |
| 579 |
|
|
break; |
| 580 |
|
|
case data8: |
| 581 |
|
|
if (device->DataBits() != B_DATA_BITS_8) |
| 582 |
|
|
device->SetDataBits(B_DATA_BITS_8); |
| 583 |
|
|
break; |
| 584 |
|
|
default: |
| 585 |
|
|
release_sem(device_sem); |
| 586 |
|
|
return false; |
| 587 |
|
|
} |
| 588 |
|
|
|
| 589 |
|
|
// Set baud rate |
| 590 |
|
|
data_rate baud_rate; |
| 591 |
|
|
switch (config & 0x03ff) { |
| 592 |
|
|
case baud150: baud_rate = B_150_BPS; break; |
| 593 |
|
|
case baud300: baud_rate = B_300_BPS; break; |
| 594 |
|
|
case baud600: baud_rate = B_600_BPS; break; |
| 595 |
|
|
case baud1200: baud_rate = B_1200_BPS; break; |
| 596 |
|
|
case baud1800: baud_rate = B_1800_BPS; break; |
| 597 |
|
|
case baud2400: baud_rate = B_2400_BPS; break; |
| 598 |
|
|
case baud4800: baud_rate = B_4800_BPS; break; |
| 599 |
|
|
case baud9600: baud_rate = B_9600_BPS; break; |
| 600 |
|
|
case baud19200: baud_rate = B_19200_BPS; break; |
| 601 |
|
|
case baud38400: baud_rate = B_38400_BPS; break; |
| 602 |
|
|
case baud57600: baud_rate = B_57600_BPS; break; |
| 603 |
|
|
default: |
| 604 |
|
|
release_sem(device_sem); |
| 605 |
|
|
return false; |
| 606 |
|
|
} |
| 607 |
|
|
|
| 608 |
|
|
D(bug(" baud rate %d, %d stop bits, %s parity, %d data bits\n", baud_rates[baud_rate], device->StopBits() == B_STOP_BITS_1 ? 1 : 2, device->ParityMode() == B_NO_PARITY ? "no" : device->ParityMode() == B_ODD_PARITY ? "odd" : "even", device->DataBits() == B_DATA_BITS_7 ? 7 : 8)); |
| 609 |
|
|
if (device->DataRate() != baud_rate) { |
| 610 |
|
|
bool res = device->SetDataRate(baud_rate) == B_OK; |
| 611 |
|
|
release_sem(device_sem); |
| 612 |
|
|
return res; |
| 613 |
|
|
} else { |
| 614 |
|
|
release_sem(device_sem); |
| 615 |
|
|
return true; |
| 616 |
|
|
} |
| 617 |
|
|
} |
| 618 |
|
|
|
| 619 |
|
|
|
| 620 |
|
|
/* |
| 621 |
|
|
* Set serial handshaking |
| 622 |
|
|
*/ |
| 623 |
|
|
|
| 624 |
|
|
void BeSERDPort::set_handshake(uint32 s, bool with_dtr) |
| 625 |
|
|
{ |
| 626 |
|
|
D(bug(" set_handshake %02x %02x %02x %02x %02x %02x %02x %02x\n", |
| 627 |
|
|
ReadMacInt8(s + 0), ReadMacInt8(s + 1), ReadMacInt8(s + 2), ReadMacInt8(s + 3), |
| 628 |
|
|
ReadMacInt8(s + 4), ReadMacInt8(s + 5), ReadMacInt8(s + 6), ReadMacInt8(s + 7))); |
| 629 |
|
|
if (is_parallel) |
| 630 |
|
|
return; |
| 631 |
|
|
|
| 632 |
|
|
uint32 flow; |
| 633 |
|
|
if (with_dtr) { |
| 634 |
|
|
if (ReadMacInt8(s + shkFCTS) || ReadMacInt8(s + shkFDTR)) |
| 635 |
|
|
flow = B_HARDWARE_CONTROL; |
| 636 |
|
|
else |
| 637 |
|
|
flow = B_SOFTWARE_CONTROL; |
| 638 |
|
|
} else { |
| 639 |
|
|
if (ReadMacInt8(s + shkFCTS)) |
| 640 |
|
|
flow = B_HARDWARE_CONTROL; |
| 641 |
|
|
else |
| 642 |
|
|
flow = B_SOFTWARE_CONTROL; |
| 643 |
|
|
} |
| 644 |
|
|
|
| 645 |
|
|
D(bug(" %sware flow control\n", flow == B_HARDWARE_CONTROL ? "hard" : "soft")); |
| 646 |
|
|
while (acquire_sem(device_sem) == B_INTERRUPTED) ; |
| 647 |
|
|
if (device->FlowControl() != flow) { |
| 648 |
|
|
device->Close(); |
| 649 |
|
|
device->SetFlowControl(flow); |
| 650 |
|
|
device->Open(device_name); |
| 651 |
|
|
} |
| 652 |
|
|
release_sem(device_sem); |
| 653 |
|
|
} |
| 654 |
|
|
|
| 655 |
|
|
|
| 656 |
|
|
/* |
| 657 |
|
|
* Data input thread |
| 658 |
|
|
*/ |
| 659 |
|
|
|
| 660 |
|
|
status_t BeSERDPort::input_func(void *arg) |
| 661 |
|
|
{ |
| 662 |
|
|
BeSERDPort *s = (BeSERDPort *)arg; |
| 663 |
|
|
for (;;) { |
| 664 |
|
|
|
| 665 |
|
|
// Wait for commands |
| 666 |
|
|
thread_id sender; |
| 667 |
|
|
ThreadPacket p; |
| 668 |
|
|
uint32 code = receive_data(&sender, &p, sizeof(ThreadPacket)); |
| 669 |
|
|
if (code == CMD_QUIT) |
| 670 |
|
|
break; |
| 671 |
|
|
if (code != CMD_READ) |
| 672 |
|
|
continue; |
| 673 |
|
|
|
| 674 |
|
|
// Execute command |
| 675 |
|
|
void *buf = Mac2HostAddr(ReadMacInt32(p.pb + ioBuffer)); |
| 676 |
|
|
uint32 length = ReadMacInt32(p.pb + ioReqCount); |
| 677 |
|
|
D(bug("input_func waiting for %ld bytes of data...\n", length)); |
| 678 |
|
|
int32 actual; |
| 679 |
|
|
|
| 680 |
|
|
// Buffer in kernel space? |
| 681 |
|
|
if ((uint32)buf < 0x80000000) { |
| 682 |
|
|
|
| 683 |
|
|
// Yes, transfer via buffer |
| 684 |
|
|
actual = 0; |
| 685 |
|
|
while (length) { |
| 686 |
|
|
uint32 transfer_size = (length > TMP_BUF_SIZE) ? TMP_BUF_SIZE : length; |
| 687 |
|
|
int32 transferred; |
| 688 |
|
|
acquire_sem(s->device_sem); |
| 689 |
|
|
if (s->is_parallel) { |
| 690 |
|
|
if ((transferred = read(s->fd, s->tmp_in_buf, transfer_size)) < 0 || s->io_killed) { |
| 691 |
|
|
// Error |
| 692 |
|
|
actual = transferred; |
| 693 |
|
|
release_sem(s->device_sem); |
| 694 |
|
|
break; |
| 695 |
|
|
} |
| 696 |
|
|
} else { |
| 697 |
|
|
if ((transferred = s->device->Read(s->tmp_in_buf, transfer_size)) < 0 || s->io_killed) { |
| 698 |
|
|
// Error |
| 699 |
|
|
actual = transferred; |
| 700 |
|
|
release_sem(s->device_sem); |
| 701 |
|
|
break; |
| 702 |
|
|
} |
| 703 |
|
|
} |
| 704 |
|
|
release_sem(s->device_sem); |
| 705 |
|
|
memcpy(buf, s->tmp_in_buf, transferred); |
| 706 |
|
|
buf = (void *)((uint8 *)buf + transferred); |
| 707 |
|
|
length -= transferred; |
| 708 |
|
|
actual += transferred; |
| 709 |
|
|
} |
| 710 |
|
|
|
| 711 |
|
|
} else { |
| 712 |
|
|
|
| 713 |
|
|
// No, transfer directly |
| 714 |
|
|
acquire_sem(s->device_sem); |
| 715 |
|
|
if (s->is_parallel) |
| 716 |
|
|
actual = read(s->fd, buf, length); |
| 717 |
|
|
else |
| 718 |
|
|
actual = s->device->Read(buf, length); |
| 719 |
|
|
release_sem(s->device_sem); |
| 720 |
|
|
} |
| 721 |
|
|
|
| 722 |
|
|
D(bug(" %ld bytes received\n", actual)); |
| 723 |
|
|
|
| 724 |
|
|
#if MONITOR |
| 725 |
|
|
bug("Receiving serial data:\n"); |
| 726 |
|
|
uint8 *adr = Mac2HostAddr(ReadMacInt32(p.pb + ioBuffer)); |
| 727 |
|
|
for (int i=0; i<actual; i++) { |
| 728 |
|
|
bug("%02x ", adr[i]); |
| 729 |
|
|
} |
| 730 |
|
|
bug("\n"); |
| 731 |
|
|
#endif |
| 732 |
|
|
|
| 733 |
|
|
// KillIO called? Then simply return |
| 734 |
|
|
if (s->io_killed) { |
| 735 |
|
|
|
| 736 |
|
|
WriteMacInt16(p.pb + ioResult, abortErr); |
| 737 |
|
|
WriteMacInt32(p.pb + ioActCount, 0); |
| 738 |
|
|
s->read_pending = s->read_done = false; |
| 739 |
|
|
|
| 740 |
|
|
} else { |
| 741 |
|
|
|
| 742 |
|
|
// Set error code |
| 743 |
|
|
if (actual >= 0) { |
| 744 |
|
|
WriteMacInt32(p.pb + ioActCount, actual); |
| 745 |
|
|
WriteMacInt32(s->input_dt + serdtResult, noErr); |
| 746 |
|
|
} else { |
| 747 |
|
|
WriteMacInt32(p.pb + ioActCount, 0); |
| 748 |
|
|
WriteMacInt32(s->input_dt + serdtResult, readErr); |
| 749 |
|
|
} |
| 750 |
|
|
|
| 751 |
|
|
// Trigger serial interrupt |
| 752 |
|
|
D(bug(" triggering serial interrupt\n")); |
| 753 |
|
|
s->read_done = true; |
| 754 |
|
|
SetInterruptFlag(INTFLAG_SERIAL); |
| 755 |
|
|
TriggerInterrupt(); |
| 756 |
|
|
} |
| 757 |
|
|
} |
| 758 |
|
|
return 0; |
| 759 |
|
|
} |
| 760 |
|
|
|
| 761 |
|
|
|
| 762 |
|
|
/* |
| 763 |
|
|
* Data output thread |
| 764 |
|
|
*/ |
| 765 |
|
|
|
| 766 |
|
|
status_t BeSERDPort::output_func(void *arg) |
| 767 |
|
|
{ |
| 768 |
|
|
BeSERDPort *s = (BeSERDPort *)arg; |
| 769 |
|
|
for (;;) { |
| 770 |
|
|
|
| 771 |
|
|
// Wait for commands |
| 772 |
|
|
thread_id sender; |
| 773 |
|
|
ThreadPacket p; |
| 774 |
|
|
uint32 code = receive_data(&sender, &p, sizeof(ThreadPacket)); |
| 775 |
|
|
if (code == CMD_QUIT) |
| 776 |
|
|
break; |
| 777 |
|
|
if (code != CMD_WRITE) |
| 778 |
|
|
continue; |
| 779 |
|
|
|
| 780 |
|
|
// Execute command |
| 781 |
|
|
void *buf = Mac2HostAddr(ReadMacInt32(p.pb + ioBuffer)); |
| 782 |
|
|
uint32 length = ReadMacInt32(p.pb + ioReqCount); |
| 783 |
|
|
D(bug("output_func transmitting %ld bytes of data...\n", length)); |
| 784 |
|
|
int32 actual; |
| 785 |
|
|
|
| 786 |
|
|
#if MONITOR |
| 787 |
|
|
bug("Sending serial data:\n"); |
| 788 |
|
|
uint8 *adr = (uint8 *)buf; |
| 789 |
|
|
for (int i=0; i<length; i++) { |
| 790 |
|
|
bug("%02x ", adr[i]); |
| 791 |
|
|
} |
| 792 |
|
|
bug("\n"); |
| 793 |
|
|
#endif |
| 794 |
|
|
|
| 795 |
|
|
// Buffer in kernel space? |
| 796 |
|
|
if ((uint32)buf < 0x80000000) { |
| 797 |
|
|
|
| 798 |
|
|
// Yes, transfer via buffer |
| 799 |
|
|
actual = 0; |
| 800 |
|
|
while (length) { |
| 801 |
|
|
uint32 transfer_size = (length > TMP_BUF_SIZE) ? TMP_BUF_SIZE : length; |
| 802 |
|
|
memcpy(s->tmp_out_buf, buf, transfer_size); |
| 803 |
|
|
int32 transferred; |
| 804 |
|
|
acquire_sem(s->device_sem); |
| 805 |
|
|
if (s->is_parallel) { |
| 806 |
|
|
if ((transferred = write(s->fd, s->tmp_out_buf, transfer_size)) < transfer_size || s->io_killed) { |
| 807 |
|
|
if (transferred < 0) // Error |
| 808 |
|
|
actual = transferred; |
| 809 |
|
|
else |
| 810 |
|
|
actual += transferred; |
| 811 |
|
|
release_sem(s->device_sem); |
| 812 |
|
|
break; |
| 813 |
|
|
} |
| 814 |
|
|
} else { |
| 815 |
|
|
if ((transferred = s->device->Write(s->tmp_out_buf, transfer_size)) < transfer_size || s->io_killed) { |
| 816 |
|
|
if (transferred < 0) // Error |
| 817 |
|
|
actual = transferred; |
| 818 |
|
|
else |
| 819 |
|
|
actual += transferred; |
| 820 |
|
|
release_sem(s->device_sem); |
| 821 |
|
|
break; |
| 822 |
|
|
} |
| 823 |
|
|
} |
| 824 |
|
|
release_sem(s->device_sem); |
| 825 |
|
|
if (transferred > transfer_size) // R3 parallel port driver bug |
| 826 |
|
|
transferred = transfer_size; |
| 827 |
|
|
buf = (void *)((uint8 *)buf + transferred); |
| 828 |
|
|
length -= transferred; |
| 829 |
|
|
actual += transferred; |
| 830 |
|
|
} |
| 831 |
|
|
|
| 832 |
|
|
} else { |
| 833 |
|
|
|
| 834 |
|
|
// No, transfer directly |
| 835 |
|
|
acquire_sem(s->device_sem); |
| 836 |
|
|
if (s->is_parallel) |
| 837 |
|
|
actual = write(s->fd, buf, length); |
| 838 |
|
|
else |
| 839 |
|
|
actual = s->device->Write(buf, length); |
| 840 |
|
|
release_sem(s->device_sem); |
| 841 |
|
|
if (actual > length) // R3 parallel port driver bug |
| 842 |
|
|
actual = length; |
| 843 |
|
|
} |
| 844 |
|
|
|
| 845 |
|
|
D(bug(" %ld bytes transmitted\n", actual)); |
| 846 |
|
|
|
| 847 |
|
|
// KillIO called? Then simply return |
| 848 |
|
|
if (s->io_killed) { |
| 849 |
|
|
|
| 850 |
|
|
WriteMacInt16(p.pb + ioResult, abortErr); |
| 851 |
|
|
WriteMacInt32(p.pb + ioActCount, 0); |
| 852 |
|
|
s->write_pending = s->write_done = false; |
| 853 |
|
|
|
| 854 |
|
|
} else { |
| 855 |
|
|
|
| 856 |
|
|
// Set error code |
| 857 |
|
|
if (actual >= 0) { |
| 858 |
|
|
WriteMacInt32(p.pb + ioActCount, actual); |
| 859 |
|
|
WriteMacInt32(s->output_dt + serdtResult, noErr); |
| 860 |
|
|
} else { |
| 861 |
|
|
WriteMacInt32(p.pb + ioActCount, 0); |
| 862 |
|
|
WriteMacInt32(s->output_dt + serdtResult, writErr); |
| 863 |
|
|
} |
| 864 |
|
|
|
| 865 |
|
|
// Trigger serial interrupt |
| 866 |
|
|
D(bug(" triggering serial interrupt\n")); |
| 867 |
|
|
s->write_done = true; |
| 868 |
|
|
SetInterruptFlag(INTFLAG_SERIAL); |
| 869 |
|
|
TriggerInterrupt(); |
| 870 |
|
|
} |
| 871 |
|
|
} |
| 872 |
|
|
return 0; |
| 873 |
|
|
} |
