EXPORT void simple_read_pf(void * data, XmlCmdType type)
{
Io_Message *message = NULL;
OutputData *output = NULL;
gint count = 0;
gchar *tmpbuf = NULL;
gint page = -1;
gint canID = -1;
guint16 curcount = 0;
static guint16 lastcount = 0;
extern Firmware_Details *firmware;
extern gint ms_ve_goodread_count;
extern gint ms_reset_count;
extern gint ms_goodread_count;
guint8 *ptr8 = NULL;
guint16 *ptr16 = NULL;
static gboolean just_starting = TRUE;
extern gboolean forced_update;
extern gboolean force_page_change;
extern volatile gboolean offline;
message = (Io_Message *)data;
output = (OutputData *)message->payload;
switch (type)
{
case WRITE_VERIFY:
printf(_("MS2_WRITE_VERIFY not written yet\n"));
break;
case MISMATCH_COUNT:
printf(_("MS2_MISMATCH_COUNT not written yet\n"));
break;
case MS1_CLOCK:
printf(_("MS1_CLOCK not written yet\n"));
break;
case MS2_CLOCK:
printf(_("MS2_CLOCK not written yet\n"));
break;
case NUM_REV:
if (offline)
break;
count = read_data(-1,&message->recv_buf,FALSE);
ptr8 = (guchar *)message->recv_buf;
firmware->ecu_revision=(gint)ptr8[0];
if (count > 0)
thread_update_widget("ecu_revision_entry",MTX_ENTRY,g_strdup_printf("%.1f",((gint)ptr8[0]/10.0)));
else
thread_update_widget("ecu_revision_entry",MTX_ENTRY,g_strdup(""));
break;
case TEXT_REV:
if (offline)
break;
count = read_data(-1,&message->recv_buf,FALSE);
if (count > 0)
{
thread_update_widget("text_version_entry",MTX_ENTRY,g_strndup(message->recv_buf,count));
firmware->txt_rev_len = count;
firmware->text_revision = g_strndup(message->recv_buf,count);
}
break;
case SIGNATURE:
if (offline)
break;
count = read_data(-1,&message->recv_buf,FALSE);
if (count > 0)
{
thread_update_widget("ecu_signature_entry",MTX_ENTRY,g_strndup(message->recv_buf,count));
firmware->signature_len = count;
firmware->actual_signature = g_strndup(message->recv_buf,count);
}
break;
case MS1_VECONST:
case MS2_VECONST:
page = (GINT)OBJ_GET(output->object,"page");
canID = (GINT)OBJ_GET(output->object,"canID");
count = read_data(firmware->page_params[page]->length,&message->recv_buf,TRUE);
if (count != firmware->page_params[page]->length)
break;
store_new_block(canID,page,0,
message->recv_buf,
firmware->page_params[page]->length);
backup_current_data(canID,page);
ms_ve_goodread_count++;
break;
case MS1_RT_VARS:
count = read_data(firmware->rtvars_size,&message->recv_buf,TRUE);
if (count != firmware->rtvars_size)
break;
ptr8 = (guchar *)message->recv_buf;
/* Test for MS reset */
if (just_starting)
{
lastcount = ptr8[0];
just_starting = FALSE;
}
/* Check for clock jump from the MS, a
* jump in time from the MS clock indicates
* a reset due to power and/or noise.
*/
if ((lastcount - ptr8[0] > 1) && \
(lastcount - ptr8[0] != 255))
{
ms_reset_count++;
printf(_("MS1 Reset detected!, lastcount %i, current %i\n"),lastcount,ptr8[0]);
gdk_threads_enter();
gdk_beep();
gdk_threads_leave();
}
else
ms_goodread_count++;
lastcount = ptr8[0];
/* Feed raw buffer over to post_process()
* as a void * and pass it a pointer to the new
* area for the parsed data...
*/
process_rt_vars((void *)message->recv_buf);
break;
case MS2_RT_VARS:
page = (GINT)OBJ_GET(output->object,"page");
canID = (GINT)OBJ_GET(output->object,"canID");
count = read_data(firmware->rtvars_size,&message->recv_buf,TRUE);
if (count != firmware->rtvars_size)
break;
store_new_block(canID,page,0,
message->recv_buf,
firmware->page_params[page]->length);
backup_current_data(canID,page);
ptr16 = (guint16 *)message->recv_buf;
/* Test for MS reset */
if (just_starting)
{
lastcount = GUINT16_TO_BE(ptr16[0]);
curcount = GUINT16_TO_BE(ptr16[0]);
just_starting = FALSE;
}
else
curcount = GUINT16_TO_BE(ptr16[0]);
/* Check for clock jump from the MS, a
* jump in time from the MS clock indicates
* a reset due to power and/or noise.
*/
if ((lastcount - curcount > 1) && \
(lastcount - curcount != 65535))
{
ms_reset_count++;
printf(_("MS2 rtvars reset detected, lastcount is %i, current %i"),lastcount,curcount);
gdk_threads_enter();
gdk_beep();
gdk_threads_leave();
}
else
ms_goodread_count++;
lastcount = curcount;
/* Feed raw buffer over to post_process()
* as a void * and pass it a pointer to the new
* area for the parsed data...
*/
process_rt_vars((void *)message->recv_buf);
break;
case MS2_BOOTLOADER:
printf(_("MS2_BOOTLOADER not written yet\n"));
break;
case MS1_GETERROR:
forced_update = TRUE;
force_page_change = TRUE;
count = read_data(-1,&message->recv_buf,FALSE);
if (count <= 10)
{
thread_update_logbar("error_status_view",NULL,g_strdup(_("No ECU Errors were reported....\n")),FALSE,FALSE);
break;
}
if (g_utf8_validate(((gchar *)message->recv_buf)+1,count-1,NULL))
{
thread_update_logbar("error_status_view",NULL,g_strndup(((gchar *)message->recv_buf+7)+1,count-8),FALSE,FALSE);
if (dbg_lvl & (IO_PROCESS|SERIAL_RD))
{
tmpbuf = g_strndup(((gchar *)message->recv_buf)+1,count-1);
dbg_func(IO_PROCESS|SERIAL_RD,g_strdup_printf(__FILE__"\tECU ERROR string: \"%s\"\n",tmpbuf));
g_free(tmpbuf);
}
}
else
thread_update_logbar("error_status_view",NULL,g_strdup("The data came back as gibberish, please try again...\n"),FALSE,FALSE);
break;
default:
break;
}
}
/*!
\brief thread_dispatcher() runs continuously as a thread listening to the
io_data_queue and running handlers as messages come in. After they are done it
passes the message back to the gui via the dispatch_queue for further
gui handling (for things that can't run in a thread context)
\param data is unused
*/
G_MODULE_EXPORT void *thread_dispatcher(gpointer data)
{
GThread * repair_thread = NULL;
Serial_Params *serial_params = NULL;
Io_Message *message = NULL;
GAsyncQueue *io_data_queue = NULL;
CmdLineArgs *args = NULL;
void *(*network_repair_thread)(gpointer data) = NULL;
void *(*serial_repair_thread)(gpointer data) = NULL;
/* GTimer *clock;*/
ENTER();
io_data_queue = (GAsyncQueue *)DATA_GET(global_data,"io_data_queue");
serial_params = (Serial_Params *)DATA_GET(global_data,"serial_params");
get_symbol("serial_repair_thread",(void **)&serial_repair_thread);
args = (CmdLineArgs *)DATA_GET(global_data,"args");
if (args->network_mode)
get_symbol("network_repair_thread",(void **)&network_repair_thread);
g_return_val_if_fail(args,NULL);
g_return_val_if_fail(io_data_queue,NULL);
g_return_val_if_fail(serial_params,NULL);
g_async_queue_ref(io_data_queue);
/* clock = g_timer_new();*/
/* Endless Loop, wait for message, processs and repeat... */
while (TRUE)
{
if (DATA_GET(global_data,"thread_dispatcher_exit"))
{
fast_exit:
/* drain queue and exit thread */
while ((message = (Io_Message *)g_async_queue_try_pop(io_data_queue)) != NULL)
dealloc_io_message(message);
g_async_queue_unref(io_data_queue);
EXIT();
g_thread_exit(0);
}
message = (Io_Message *)g_async_queue_timeout_pop(io_data_queue,1000000);
if (!message) /* NULL message */
{
MTXDBG(THREADS|IO_MSG,_("No message received...\n"));
continue;
}
else
MTXDBG(THREADS|IO_MSG,_("MESSAGE ARRIVED on IO queue...\n"));
if ((!DATA_GET(global_data,"offline")) &&
(((!DATA_GET(global_data,"connected")) &&
(serial_params->open)) ||
(!(serial_params->open))))
{
/*printf("somehow somethign went wrong, connected is %i, offline is %i, serial_params->open is %i\n",DATA_GET(global_data,"connected"),DATA_GET(global_data,"offline"),serial_params->open);*/
if (args->network_mode)
{
MTXDBG(THREADS,_("LINK DOWN, Initiating NETWORK repair thread!\n"));
repair_thread = g_thread_new("Network Repair thread",network_repair_thread,NULL);
}
else
{
MTXDBG(THREADS,_("LINK DOWN, Initiating serial repair thread!\n"));
repair_thread = g_thread_new("Serial Repair thread",serial_repair_thread,NULL);
}
g_thread_join(repair_thread);
}
if ((!serial_params->open) && (!DATA_GET(global_data,"offline")))
{
MTXDBG(THREADS,_("LINK DOWN, Can't process requested command, aborting call\n"));
thread_update_logbar("comm_view","warning",g_strdup("Disconnected Serial Link. Check Communications link/cable...\n"),FALSE,FALSE);
thread_update_widget("titlebar",MTX_TITLE,g_strdup("Disconnected link, check Communications tab..."));
message->status = FALSE;
continue;
}
switch ((CmdType)message->command->type)
{
case FUNC_CALL:
if (!message->command->function)
MTXDBG(CRITICAL|THREADS,_("CRITICAL ERROR, function \"%s()\" is not found!!\n"),message->command->func_call_name);
else
{
/*printf("Calling FUNC_CALL, function \"%s()\" \n",message->command->func_call_name);*/
message->status = message->command->function(message->command,message->command->func_call_arg);
/*
if (!result)
message->command->defer_post_functions=TRUE;
*/
}
break;
case WRITE_CMD:
/*g_timer_start(clock);*/
message->status = write_data(message);
if (!message->status)
DATA_SET(global_data,"connected",GINT_TO_POINTER(FALSE));
/*printf("Write command elapsed time %f\n",g_timer_elapsed(clock,NULL));*/
if (message)
{
if (message->command)
{
if (message->command->helper_function)
{
message->command->helper_function(message, message->command->helper_func_arg);
}
}
}
/*printf("Write command with post function time %f\n",g_timer_elapsed(clock,NULL));*/
break;
case NULL_CMD:
/*printf("null_cmd, just passing thru\n");*/
break;
default:
MTXDBG(THREADS|CRITICAL,_("Hit default case, this SHOULD NOT HAPPEN it's a bug, notify author! \n"));
break;
}
/* If set to defer post functions, it means they were passed
via a function fall, thus dealloc it here., Otherwise
push up the queue to the postfunction dispatcher
*/
if (message->command->defer_post_functions)
dealloc_io_message(message);
else
g_idle_add(process_pf_message,message);
}
EXIT();
return 0;
}
/*!
\brief write_data() physically sends the data to the ECU.
\param message is the pointer to an Io_Message structure
*/
G_MODULE_EXPORT gboolean write_data(Io_Message *message)
{
static GMutex *serio_mutex = NULL;
static Serial_Params *serial_params = NULL;
static Firmware_Details *firmware = NULL;
static gfloat *factor = NULL;
OutputData *output = (OutputData *)message->payload;
gint res = 0;
gchar * err_text = NULL;
guint i = 0;
gint j = 0;
gint len = 0;
guint8 * buffer = NULL;
gint burst_len = 0;
gboolean notifies = FALSE;
gint notif_divisor = 32;
WriteMode mode = MTX_CMD_WRITE;
gboolean retval = TRUE;
DBlock *block = NULL;
static GMutex mutex;
static void (*store_new_block)(gpointer) = NULL;
static void (*set_ecu_data)(gpointer,gint *) = NULL;
ENTER();
if (!firmware)
firmware = (Firmware_Details *)DATA_GET(global_data,"firmware");
if (!serial_params)
serial_params = (Serial_Params *)DATA_GET(global_data,"serial_params");
if (!serio_mutex)
serio_mutex = (GMutex *)DATA_GET(global_data,"serio_mutex");
if (!factor)
factor = (gfloat *)DATA_GET(global_data,"sleep_correction");
if (!set_ecu_data)
get_symbol("set_ecu_data",(void **)&set_ecu_data);
if (!store_new_block)
get_symbol("store_new_block",(void **)&store_new_block);
g_return_val_if_fail(firmware,FALSE);
g_return_val_if_fail(serial_params,FALSE);
g_return_val_if_fail(serio_mutex,FALSE);
g_return_val_if_fail(factor,FALSE);
g_return_val_if_fail(set_ecu_data,FALSE);
g_return_val_if_fail(store_new_block,FALSE);
g_mutex_lock(&mutex);
g_mutex_lock(serio_mutex);
if (output)
mode = (WriteMode)(GINT)DATA_GET(output->data,"mode");
if (DATA_GET(global_data,"offline"))
{
switch (mode)
{
case MTX_SIMPLE_WRITE:
set_ecu_data(output->data,NULL);
break;
case MTX_CHUNK_WRITE:
store_new_block(output->data);
break;
case MTX_CMD_WRITE:
break;
}
g_mutex_unlock(serio_mutex);
g_mutex_unlock(&mutex);
EXIT();
return TRUE; /* can't write anything if offline */
}
if (!DATA_GET(global_data,"connected"))
{
g_mutex_unlock(serio_mutex);
g_mutex_unlock(&mutex);
EXIT();
return FALSE; /* can't write anything if disconnected */
}
/* For MS3 1.1 which uses a CRC32 wrapped serial stream, we can't easily
* do the old way as it had a bunch of fugly worarounds for ECU editions
* that couldn't handle bursts and needed to be artificially throttled.
*/
if(DATA_GET(message->data,"burst_write"))
{
buffer = (guint8 *)DATA_GET(message->data,"burst_buffer");
if (!buffer)
{
MTXDBG(CRITICAL|SERIAL_WR,_("MS3 CRC32 burst blob is not stored in the OutputData->data structure, ABORTING\n"));
EXIT();
return FALSE;
}
burst_len = (GINT)DATA_GET(message->data,"burst_len");
QUIET_MTXDBG(SERIAL_WR,_("Writing MS3 burst write %i bytes\n"),burst_len);
res = write_wrapper(serial_params->fd,buffer,burst_len, &len);
/* Send write command */
if (!res)
{
MTXDBG((Dbg_Class)(SERIAL_WR|CRITICAL),_("Error writing MS3 burst block ERROR \"%s\"!!!\n"),err_text);
retval = FALSE;
}
}
else
{
g_return_val_if_fail(message,FALSE);
g_return_val_if_fail(message->sequence,FALSE);
g_return_val_if_fail(message->sequence->len > 0,FALSE);
for (i=0;i<message->sequence->len;i++)
{
block = g_array_index(message->sequence,DBlock *,i);
/* printf("Block pulled\n");*/
if (block->type == ACTION)
{
/* printf("Block type of ACTION!\n");*/
if (block->action == SLEEP)
{
/* printf("Sleeping for %i usec\n", block->arg);*/
MTXDBG(SERIAL_WR,_("Sleeping for %i microseconds \n"),block->arg);
g_usleep((*factor)*block->arg);
}
}
else if (block->type == DATA)
{
/* printf("Block type of DATA!\n");*/
if (block->len > 100)
notifies = TRUE;
/* ICK bad form man, writing one byte at a time, due to ECU's that can't take full wire speed without
dropping chars due to uber tiny buffers */
for (j=0;j<block->len;j++)
{
/*printf("comms.c data[%i] is %i, block len is %i\n",j,block->data[j],block->len);*/
if ((notifies) && ((j % notif_divisor) == 0))
thread_update_widget("info_label",MTX_LABEL,g_strdup_printf(_("<b>Sending %i of %i bytes</b>"),j,block->len));
QUIET_MTXDBG(SERIAL_WR,_("Writing argument %i byte %i of %i, \"%.2X\"\n"),i,j+1,block->len,block->data[j]);
res = write_wrapper(serial_params->fd,&(block->data[j]),1, &len);
/* Send write command */
if (!res)
{
MTXDBG((Dbg_Class)(SERIAL_WR|CRITICAL),_("Error writing block offset %i, value \"%.2X\" ERROR \"%s\"!!!\n"),j,block->data[j],err_text);
retval = FALSE;
}
if (firmware->capabilities & MS2)
g_usleep((*factor)*firmware->interchardelay*1000);
}
}
}
}
if (notifies)
{
thread_update_widget("info_label",MTX_LABEL,g_strdup("<b>Transfer Completed</b>"));
g_timeout_add(2000,(GSourceFunc)reset_infolabel_wrapper,NULL);
}
/* If sucessfull update ecu_data as well, this way, current
* and pending match, in the case of a failed write, the
* update_write_status() function will catch it and rollback as needed
*/
if ((output) && (retval))
{
if (mode == MTX_SIMPLE_WRITE)
set_ecu_data(output->data,NULL);
else if (mode == MTX_CHUNK_WRITE)
store_new_block(output->data);
}
g_mutex_unlock(serio_mutex);
g_mutex_unlock(&mutex);
EXIT();
return retval;
}
/*!
\brief open_serial() called to open the serial port, updates textviews on the
comms page on success/failure
\param port_name is the name of the port to open
\param nonblock is a flag if we should open hte port in nonblocking mode
*/
G_MODULE_EXPORT gboolean open_serial(gchar * port_name, gboolean nonblock)
{
/* We are using DOS/Win32 style com port numbers instead of unix
* style as its easier to think of COM1 instead of /dev/ttyS0
* thus com1=/dev/ttyS0, com2=/dev/ttyS1 and so on
*/
static GMutex *serio_mutex = NULL;
gboolean port_open = FALSE;
Serial_Params *serial_params = NULL;
gint fd = -1;
gchar * err_text = NULL;
serial_params = DATA_GET(global_data,"serial_params");
serio_mutex = DATA_GET(global_data,"serio_mutex");
g_mutex_lock(serio_mutex);
/*printf("Opening serial port %s\n",port_name);*/
/* Open Read/Write and NOT as the controlling TTY */
/* Blocking mode... */
if (nonblock)
{
#ifdef __WIN32__
fd = open(port_name, O_RDWR | O_BINARY);
// serial_params->comm_handle = CreateFile(port_name,
// GENERIC_READ|GENERIC_WRITE, /* Access */
// 0, /* not shared */
// 0, /* No security */
// OPEN_EXISTING, /* Don't create a file */
// FILE_FLAG_OVERLAPPED, /* Overlapped IO */
// 0 /* No templates... */
// );
// fd = _open_osfhandle(serial_params->comm_handle, 0);
#else
fd = open(port_name, O_RDWR | O_NOCTTY | O_NDELAY);
#endif
DATA_SET(global_data,"serial_nonblock",GINT_TO_POINTER(TRUE));
}
else
{
#ifdef __WIN32__
fd = open(port_name, O_RDWR | O_BINARY );
#else
fd = open(port_name, O_RDWR | O_NOCTTY );
#endif
}
if (fd > 0)
{
/* SUCCESS */
/* NO Errors occurred opening the port */
serial_params->port_name = g_strdup(port_name);
serial_params->open = TRUE;
port_open = TRUE;
serial_params->fd = fd;
MTXDBG(SERIAL_RD|SERIAL_WR,_("\"%s\" Opened Successfully\n"),port_name);
thread_update_logbar("comms_view",NULL,g_strdup_printf(_("%s Opened Successfully\n"),port_name),FALSE,FALSE);
}
else
{
/* FAILURE */
/* An Error occurred opening the port */
port_open = FALSE;
if (serial_params->port_name)
g_free(serial_params->port_name);
serial_params->port_name = NULL;
serial_params->open = FALSE;
serial_params->fd = -1;
err_text = (gchar *)g_strerror(errno);
MTXDBG(SERIAL_RD|SERIAL_WR|CRITICAL,_("Error Opening \"%s\", Error Code: \"%s\"\n"),port_name,err_text);
thread_update_widget("titlebar",MTX_TITLE,g_strdup_printf(_("Error Opening \"%s\", Error Code: \"%s\""),port_name,err_text));
thread_update_logbar("comms_view","warning",g_strdup_printf(_("Error Opening \"%s\", Error Code: %s \n"),port_name,err_text),FALSE,FALSE);
}
/*printf("open_serial returning\n");*/
g_mutex_unlock(serio_mutex);
return port_open;
}