+
−/**************************************************************************
+
−*
+
−* rvt_task.c
+
−*
+
−* This contains the core of the Trace task.
+
−*
+
−* (C) Texas Instruments, all rights reserved
+
−*
+
−* Version number   : 0.1
+
−*
+
−* History		   : 0.1 (7/5/2000) - Created
+
−*
+
−* Date             : 7/5/2000
+
−*
+
−* Author           : Guido Pagana
+
−*
+
−* Update           : Pascal Puel
+
−*                  : David Lamy-Charrier (changes for Riviera 1.6)
+
−*
+
−***************************************************************************/
+
−
+
−
+
−#include "nucleus.h"
+
−
+
−#include "rv/general.h"
+
−#include "rv/rv_general.h"
+
−#include "rvf/rvf_api.h"
+
−#include "rvt/rvt_gen.h"
+
−#include "rvt/rvt_def_i.h"
+
−#include "rvt/rvt_env.h"
+
−#include "rvt/rvt_env_i.h"
+
−#include "rvm/rvm_use_id_list.h"
+
−
+
−#include "uart/serialswitch.h"
+
−
+
−#ifndef _WINDOWS
+
−	#include "config/swconfig.cfg"
+
−#endif
+
−
+
−#include <string.h>
+
−
+
−extern NU_HISR        TI_rcv_HISR;
+
−
+
−/* Time (in milliseconds) between two consecutive 'System Time' messages */
+
−#define RVT_ALIVE_POLLING_TIME    (RVF_MS_TO_TICKS (20000))
+
−
+
−#define RVT_WAIT_FOR_HEADER       (1)
+
−#define RVT_WAIT_FOR_DATA         (2)
+
−
+
−
+
−/********************************************************************************/
+
−/*                                                                              */
+
−/*    Function Name:   rvt_task_core                                            */
+
−/*                                                                              */
+
−/*    Purpose:         Core of Trace task.                                      */
+
−/*                                                                              */
+
−/*    Input Parameters:                                                         */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/*    Output Parameters:                                                        */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/*    Global Parameters:                                                        */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/*    Note:                                                                     */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/********************************************************************************/
+
−T_RVM_RETURN rvt_task_core (void)
+
−{
+
−	UINT16  event         = 0;
+
−	UINT32  nb_bytes_sent = 0;
+
−
+
−	#ifdef FRAMING_PROTOCOL
+
−
+
−		// Request for the level of filtering, as well as the 32-bit
+
−		// mask related to the software entities to be monitored.
+
−		{
+
−			UINT8  trace_level_request[] = {RVM_INVALID_USE_ID, 0, 0, 0, 0, (RV_TRACE_LEVEL_ERROR - 1), 0, 0, 0, 0};
+
−
+
−			// Note that the level is defined as invalid
+
−			trace_level_request[0] = (char) rv_trace_user_id;
+
−
+
−			// Transmit an 'empty' message
+
−			nb_bytes_sent = 0;
+
−			while (nb_bytes_sent < sizeof (trace_level_request))
+
−			{
+
−				nb_bytes_sent += SER_tr_WriteNBytes (SER_LAYER_1,
+
−													 trace_level_request + nb_bytes_sent,
+
−													 sizeof (trace_level_request) - nb_bytes_sent);
+
−			}
+
−		}
+
−
+
−		// Start the 'Alive Polling Timer'
+
−		#if (OP_WCP == 0)
+
−			rvf_start_timer (RVF_TIMER_0,
+
−							 RVT_ALIVE_POLLING_TIME,
+
−							 TRUE);
+
−		#endif
+
−
+
−		for (;
+
−			 ;
+
−			 )
+
−		{
+
−			// Infinite wait on 'Trace Task' mailbox or timer events
+
−			event = rvf_wait ((1 << RVT_TRACE_MAILBOX) | (RVF_TIMER_0_EVT_MASK),
+
−							  0);
+
−
+
−			// Check for some messages lost
+
−			if (((rvt_lost_msg_cpt.bit_mask).count >= RVT_MAX_LOST_TRACE_MSG) && (p_rvt_lost_msg))
+
−			{
+
−				INT8    count           = 0;
+
−				UINT8   lost_msg_length = RVT_HDR_LENGTH + RVT_LOST_MSG_LENGTH;
+
−				UINT32  lost_msg_cpt    = rvt_lost_msg_cpt.overall_value;
+
−
+
−				// Append with the number of messages lost
+
−				rvt_lost_msg_cpt.overall_value = 0;
+
−				for (count = 0;
+
−					 count < RVT_HEX_VALUE_LENGTH;
+
−					 count++)
+
−				{
+
−					p_rvt_lost_msg[lost_msg_length + count] = Num2Char[(UINT8) ((lost_msg_cpt << (count << 2)) >> 28)];	
+
−				}
+
−				lost_msg_length += RVT_HEX_VALUE_LENGTH;
+
−
+
−				// Send message to the UART with byte stuffing
+
−				nb_bytes_sent = 0;
+
−				while (nb_bytes_sent < lost_msg_length)
+
−				{
+
−					nb_bytes_sent += SER_tr_WriteNBytes (SER_LAYER_1,
+
−														 (UINT8 *) p_rvt_lost_msg + nb_bytes_sent,
+
−														 lost_msg_length - nb_bytes_sent);
+
−				}
+
−
+
−			} // End of if ((rvt_lost_msg_cpt.bit_mask).count >= RVT_MAX_LOST_TRACE_MSG)
+
−
+
−			if (event & EVENT_MASK (RVT_TRACE_MAILBOX))
+
−			{
+
−				T_RV_HDR  *msg = NULL;
+
−
+
−				// Read the message from the mailbox
+
−				if ((msg = (T_RV_HDR *) rvf_read_mbox (RVT_TRACE_MAILBOX)) != NULL)
+
−				{
+
−					if (msg->msg_id == RVT_TRACE_RQST_ID)
+
−					{
+
−						UINT8   msg_format = 0;
+
−						UINT32  msg_length = 0;
+
−
+
−						// Get the length
+
−						msg_length = ((T_RVT_TRACE_RQST *) msg)->msg_length;
+
−
+
−						// Get the format
+
−						msg_format = ((T_RVT_TRACE_RQST *) msg)->format;
+
−
+
−						// Copy the 'User ID'
+
−						((UINT8 *) msg + RVT_HEADER_SIZE - 1)[0] = ((T_RVT_TRACE_RQST *) msg)->user_id;
+
−						msg_length++;
+
−
+
−						switch (msg_format)
+
−						{
+
−							case RVT_ASCII_FORMAT:
+
−								{
+
−									// Send message to the UART without byte stuffing
+
−									nb_bytes_sent = 0;
+
−									while (nb_bytes_sent < msg_length)
+
−									{
+
−										nb_bytes_sent += SER_tr_EncapsulateNChars (SER_LAYER_1,
+
−																				   (char *) msg + RVT_HEADER_SIZE - 1 + nb_bytes_sent,
+
−																				   msg_length - nb_bytes_sent);
+
−									}
+
−									break;
+
−								}
+
−							case RVT_BINARY_FORMAT:
+
−								{
+
−									// Send message to the UART with byte stuffing
+
−									nb_bytes_sent = 0;
+
−									while (nb_bytes_sent < msg_length)
+
−									{
+
−										nb_bytes_sent += SER_tr_WriteNBytes (SER_LAYER_1,
+
−																			 (UINT8 *) msg + RVT_HEADER_SIZE - 1 + nb_bytes_sent,
+
−																			 msg_length - nb_bytes_sent);
+
−									}
+
−									break;
+
−								}
+
−							default:
+
−								{
+
−									// Increment the number of messages lost.
+
−									// Is the buffer corrupted?
+
−									(rvt_lost_msg_cpt.bit_mask).count++;
+
−									(rvt_lost_msg_cpt.bit_mask).unknown_format = 1;
+
−									break;
+
−								}
+
−						}
+
−
+
−						// Deallocate the buffer
+
−						rvf_free_buf (msg);
+
−
+
−					} // End of if (msg->msg_id == RVT_TRACE_RQST_ID)
+
−
+
−					else
+
−					{
+
−						// Increment the number of messages lost. Is the buffer
+
−						// corrupted?
+
−						(rvt_lost_msg_cpt.bit_mask).count++;
+
−						(rvt_lost_msg_cpt.bit_mask).unknown_request = 1;
+
−					}
+
−
+
−				} // End of if (msg != NULL)
+
−
+
−				else
+
−				{
+
−					// Increment the number of messages lost. Is the buffer
+
−					// corrupted?
+
−					(rvt_lost_msg_cpt.bit_mask).count++;
+
−					(rvt_lost_msg_cpt.bit_mask).message_empty = 1;
+
−				}
+
−
+
−			}  // End of if (event & EVENT_MASK (RVT_TRACE_MAILBOX))
+
−
+
−			if ((event & (RVF_TIMER_0_EVT_MASK)) && (p_rvt_sys_time))			
+
−			{
+
−				UINT8   count           = 0;
+
−				UINT8   sys_time_length = RVT_HDR_LENGTH + RVT_SYS_TIME_LENGTH;
+
−				UINT32  current_time    = rvf_get_tick_count ();
+
−
+
−				// Append with the system time
+
−				for (count = 0;
+
−					 count < RVT_HEX_VALUE_LENGTH;
+
−					 count++)
+
−				{
+
−					p_rvt_sys_time[sys_time_length + count] = Num2Char[(UINT8) ((current_time << (count << 2)) >> 28)];	
+
−				}
+
−				sys_time_length += RVT_HEX_VALUE_LENGTH;
+
−
+
−				// Send message to the UART with byte stuffing
+
−				nb_bytes_sent = 0;
+
−				while (nb_bytes_sent < sys_time_length)
+
−				{
+
−					nb_bytes_sent += SER_tr_WriteNBytes (SER_LAYER_1,
+
−														 (UINT8 *) p_rvt_sys_time + nb_bytes_sent,
+
−														 sys_time_length - nb_bytes_sent);
+
−				}
+
−
+
−			} // End of if (event & (RVF_TIMER_0_EVT_MASK))
+
−		}
+
−	#else
+
−	
+
−		// Start the 'Alive Polling Timer'
+
−		#if (OP_WCP == 0)
+
−		  rvf_start_timer (RVF_TIMER_0,
+
−						   RVT_ALIVE_POLLING_TIME,
+
−						   TRUE);
+
−		#endif
+
−		
+
−		for (;
+
−			 ;
+
−			 )
+
−		{
+
−			// Infinite wait on 'Trace Task' mailbox or timer events
+
−			event = rvf_wait ((1 << RVT_TRACE_MAILBOX) | (RVF_TIMER_0_EVT_MASK),
+
−							  0);
+
−
+
−			// Check for some messages lost
+
−			if (((rvt_lost_msg_cpt.bit_mask).count >= RVT_MAX_LOST_TRACE_MSG) && (p_rvt_lost_msg))			
+
−			{
+
−				INT8    count           = 0;
+
−				UINT8   lost_msg_length = RVT_LOST_MSG_LENGTH;
+
−				UINT32  lost_msg_cpt    = rvt_lost_msg_cpt.overall_value;
+
−
+
−				// Append with the number of messages lost
+
−				rvt_lost_msg_cpt.overall_value = 0;
+
−				for (count = 0;
+
−					 count < RVT_HEX_VALUE_LENGTH;
+
−					 count ++)
+
−				{
+
−					p_rvt_lost_msg[lost_msg_length + count] = Num2Char[(UINT8) ((lost_msg_cpt << (count << 2)) >> 28)];
+
−				}
+
−				rvt_lost_msg_length += RVT_HEX_VALUE_LENGTH;
+
−
+
−				// Append with the '\n' and '\r' characters for the hyper terminal
+
−				p_rvt_lost_msg[lost_msg_length++] = '\n';
+
−				p_rvt_lost_msg[lost_msg_length++] = '\r';
+
−
+
−				// Send the message to the UART without byte stuffing
+
−				nb_bytes_sent = 0;
+
−				while (nb_bytes_sent < lost_msg_length)
+
−				{
+
−					nb_bytes_sent += SER_tr_WriteNChars (SER_LAYER_1,
+
−														 (UINT8 *) p_rvt_lost_msg + nb_bytes_sent,
+
−														 lost_msg_length - nb_bytes_sent);
+
−				}
+
−
+
−			} // End of if ((rvt_lost_msg_cpt.bit_mask).count >= RVT_MAX_LOST_TRACE_MSG)
+
−
+
−			if (event & EVENT_MASK (RVT_TRACE_MAILBOX))
+
−			{
+
−				T_RV_HDR  *msg = NULL;
+
−
+
−				// Read the message from the mailbox
+
−				if ((msg = (T_RV_HDR *) rvf_read_mbox (RVT_TRACE_MAILBOX)) != NULL)
+
−				{
+
−					if (msg->msg_id == RVT_TRACE_RQST_ID)
+
−					{
+
−						UINT32  msg_length = 0;
+
−
+
−						// Get the length
+
−						msg_length = ((T_RVT_TRACE_RQST *) msg)->msg_length;
+
−
+
−						// Send message to the UART without byte stuffing
+
−						nb_bytes_sent = 0;
+
−						while (nb_bytes_sent < msg_length)
+
−						{
+
−							nb_bytes_sent += SER_tr_WriteNChars (SER_LAYER_1,
+
−																 msg + RVT_HEADER_SIZE + nb_bytes_sent,
+
−																 msg_length - nb_bytes_sent);
+
−						}
+
−
+
−						// Append with the '\n' and '\r' characters for the hyper terminal
+
−						msg_length        = 0;
+
−						msg[msg_length++] = '\n';
+
−						msg[msg_length++] = '\r';
+
−
+
−						// Send message to the UART without byte stuffing
+
−						nb_bytes_sent = 0;
+
−						while (nb_bytes_sent < msg_length)
+
−						{
+
−							nb_bytes_sent += SER_tr_WriteNChars (SER_LAYER_1,
+
−																 msg + nb_bytes_sent,
+
−																 msg_length - nb_bytes_sent);
+
−						}
+
−
+
−						// Deallocate the buffer
+
−						rvf_free_buf (msg);
+
−
+
−					} // End of if (msg->msg_id == RVT_TRACE_RQST_ID)
+
−
+
−					else
+
−					{
+
−						// Increment the number of messages lost. Is the buffer
+
−						// corrupted?
+
−						(rvt_lost_msg_cpt.bit_mask).count++;
+
−						(rvt_lost_msg_cpt.bit_mask).unknown_request = 1;
+
−					}
+
−
+
−				} // End of if (msg != NULL)
+
−
+
−				else
+
−				{
+
−					// Increment the number of messages lost. Is the buffer
+
−					// corrupted?
+
−					(rvt_lost_msg_cpt.bit_mask).count++;
+
−					(rvt_lost_msg_cpt.bit_mask).message_empty = 1;
+
−				}
+
−
+
−			}  // End of if (event & EVENT_MASK (RVT_TRACE_MAILBOX))
+
−
+
−			if ((event & (RVF_TIMER_0_EVT_MASK)) && (p_rvt_sys_time))
+
−			{
+
−				UINT8   count           = 0;
+
−				UINT8   sys_time_length = RVT_SYS_TIME_LENGTH;
+
−				UINT32  current_time    = rvf_get_tick_count ();
+
−
+
−				// Append with the system time
+
−				for (count = 0;
+
−					 count < RVT_HEX_VALUE_LENGTH;
+
−					 count++)
+
−				{
+
−					p_rvt_sys_time[sys_time_length + count] = Num2Char[(UINT8) ((current_time << (count << 2)) >> 28)];	
+
−				}
+
−				sys_time_length += RVT_HEX_VALUE_LENGTH;
+
−
+
−				// Append with the '\n' and '\r' characters for the hyper terminal
+
−				p_rvt_sys_time[sys_time_length++] = '\n';
+
−				p_rvt_sys_time[sys_time_length++] = '\r';
+
−
+
−				// Send message to the UART without byte stuffing
+
−				nb_bytes_sent = 0;
+
−				while (nb_bytes_sent < sys_time_length)
+
−				{
+
−					nb_bytes_sent += SER_tr_WriteNChars (SER_LAYER_1,
+
−														 (UINT8 *) p_rvt_sys_time + nb_bytes_sent,
+
−														 sys_time_length - nb_bytes_sent);
+
−				}
+
−
+
−			} // End of if (event & (RVF_TIMER_0_EVT_MASK))
+
−		}
+
−	#endif
+
−}	
+
−
+
−
+
−/********************************************************************************/
+
−/*                                                                              */
+
−/*    Function Name:   rvt_RX_process                                           */
+
−/*                                                                              */
+
−/*    Purpose:         This function is called when characters are received     */
+
−/*                     on the serial port on receive HISR.                      */
+
−/*                                                                              */
+
−/*    Input Parameters:                                                         */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/*    Output Parameters:                                                        */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/*    Global Parameters:                                                        */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/*    Note:                                                                     */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/********************************************************************************/
+
−void rvt_RX_process (void)
+
−{
+
−	UINT32        bytesRead;
+
−	static UINT8  inBuffer[255];
+
−
+
−	#ifdef FRAMING_PROTOCOL
+
−		BOOL                      eof              = 0;
+
−		static UINT8              rcv_state        = RVT_WAIT_FOR_HEADER;
+
−		static UINT32             total_bytesRead  = 0;
+
−		static RVT_CALLBACK_FUNC  rx_callback_func = NULL;
+
−
+
−		// Get all bytes from the UART RX FIFO
+
−		for (;
+
−			 ;
+
−			 )
+
−		{
+
−			// Read and destuff the UART RX FIFO and fill inBuffer with received
+
−			// bytes
+
−			bytesRead = SER_tr_ReadNBytes (SER_LAYER_1,
+
−										   (char *) (inBuffer + total_bytesRead),
+
−										   sizeof (inBuffer) - total_bytesRead,
+
−										   &eof);
+
−
+
−			// Check for the header. Hence, get the sendee
+
−			if ((rcv_state == RVT_WAIT_FOR_HEADER) && \
+
−				(bytesRead) && \
+
−				!(total_bytesRead))
+
−			{
+
−				if ((inBuffer[0] >= RVT_RV_HEADER) &&
+
−				    (inBuffer[0] <= RVT_EXTUI_HEADER))
+
−				{
+
−					UINT8  idtab = 0;
+
−				
+
−					// Search for the ID in the table
+
−					for (idtab = 0;
+
−						 rvt_user_db[idtab].user_id != RVT_INVALID_HEADER;
+
−						 idtab++)
+
−					{
+
−						if (rvt_user_db[idtab].user_id == inBuffer[0])
+
−						{
+
−							rx_callback_func = rvt_user_db[idtab].rx_callback_func;
+
−							break;
+
−						}
+
−					}
+
−					rcv_state = RVT_WAIT_FOR_DATA;
+
−				}
+
−			}
+
−
+
−			// Update the total number of bytes read, regarding the current frame 
+
−			total_bytesRead += bytesRead;
+
−
+
−			// Call the corresponding callback function when a complete message is
+
−			// received (eof odd)
+
−			if (eof & 0x01)
+
−			{
+
−				// Invoke the callback function
+
−				if (rx_callback_func != NULL)
+
−				{
+
−					rx_callback_func ((T_RVT_BUFFER) (inBuffer + 1),
+
−									  total_bytesRead - 1);
+
−					rx_callback_func = NULL;
+
−				}
+
−
+
−				// Wait for the next frame to come
+
−				rcv_state       = RVT_WAIT_FOR_HEADER;
+
−				total_bytesRead = 0;
+
−			}
+
−
+
−			// inBuffer may be full due to some synchro lost problems
+
−			else if (total_bytesRead == sizeof (inBuffer))
+
−			{
+
−				// If still waiting for the header, discard received characters and
+
−				// reset static variables for the next frame to come
+
−				if (rcv_state == RVT_WAIT_FOR_HEADER)
+
−				{
+
−					total_bytesRead = 0;
+
−					break;
+
−				}
+
−
+
−				// Just discard characters received as payload
+
−				total_bytesRead = sizeof (inBuffer[0]);
+
−			}
+
−
+
−			// Proceed with the next concatenated frame whether more bytes left
+
−			if (eof > 1)
+
−			{
+
−				continue;
+
−			}
+
−			break;
+
−		}
+
−	#else
+
−
+
−		// Read the UART RX FIFO and fill inBuffer with received bytes
+
−		bytesRead = SER_tr_ReadNChars (SER_LAYER_1,
+
−									   (char *) inBuffer,
+
−									   sizeof (inBuffer));
+
−
+
−		// Invoke the Testmode callback function : this is the only one able,
+
−		// for the moment, to send an external command !!  WARNING : This
+
−		// should be the same name than the one already registered in
+
−		// create_RVtasks.c.
+
−		tm_receive ((T_RVT_BUFFER) inBuffer,
+
−					bytesRead);
+
−	#endif
+
−}
+
−
+
−
+
−
+
−/********************************************************************************/
+
−/*                                                                              */
+
−/*    Function Name:   rvt_activate_RX_HISR                                     */
+
−/*                                                                              */
+
−/*    Purpose:         This function is called when an RX interrupt occurs.     */
+
−/*                                                                              */
+
−/*    Input Parameters:                                                         */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/*    Output Parameters:                                                        */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/*    Global Parameters:                                                        */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/*    Note:                                                                     */
+
−/*        None.                                                                 */
+
−/*                                                                              */
+
−/********************************************************************************/
+
−void rvt_activate_RX_HISR (void)                                    
+
−{                                                         
+
−	NU_Activate_HISR (&TI_rcv_HISR);
+
−}