142 lines
5.9 KiB
C
142 lines
5.9 KiB
C
//////////////////////////////////////////////////////////////////////////////////
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/// \file main.h
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/// \brief Tokenring definitions
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/// \author Pascal Sartoretti (pascal dot sartoretti at hevs dot ch)
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/// \version 1.0 - original for RTX5
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/// \date 2018-02
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//////////////////////////////////////////////////////////////////////////////////
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#include "stm32f7xx_hal.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include "gfx.h"
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#include "gui.h"
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//--------------------------------------------------------------------------------
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// Constants to change the system behavior
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//--------------------------------------------------------------------------------
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#define DEBUG_MODE 1 // mode is physical line (0) or debug (1)
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#define MYADDRESS 3 // your address choice (table number)
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#define MAX_BLOCK_SIZE 100 // size max for a frame
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//--------------------------------------------------------------------------------
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// Constants to NOT change for the system working
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//--------------------------------------------------------------------------------
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#define CHAT_SAPI 0x01 // sapi chat application number (0-7)
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#define TIME_SAPI 0x03 // sapi time application number (0-7)
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#define BROADCAST_ADDRESS 0x0F // broadcast address
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#define TOKEN_TAG 0xFF // tag of tokenring frame
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#define TOKENSIZE 19 // size of a token frame (16 stations + 1 tag + start + end)
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#define STX 0x02 // any frame start char
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#define ETX 0x03 // any frame end char
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#define CONTINUE 0x0 // for check return code halt
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//--------------------------------------------------------------------------------
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// identifiers used in more the one file (thread)
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//--------------------------------------------------------------------------------
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extern GListener gl;
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extern osMemoryPoolId_t memPool;
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extern osThreadId_t phy_rec_id;
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extern osMessageQueueId_t queue_macR_id;
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extern osMessageQueueId_t queue_phyS_id;
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extern osMessageQueueId_t queue_dbg_id;
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extern osMessageQueueId_t queue_macS_id;
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extern osMessageQueueId_t queue_chatR_id;
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extern osMessageQueueId_t queue_timeR_id;
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extern osMessageQueueId_t queue_lcd_id;
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extern osMessageQueueId_t queue_timeS_id;
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extern osMessageQueueId_t queue_chatS_id;
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extern osMessageQueueId_t queue_keyboard_id;
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extern osMessageQueueId_t queue_usartR_id;
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extern osEventFlagsId_t eventFlag_id;
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//--------------------------------------------------------------------------------
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// functions used in more than one file
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//--------------------------------------------------------------------------------
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void CheckRetCode(uint32_t retCode,uint32_t lineNumber,char * fileName,uint8_t mode);
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void DebugFrame(char * stringP);
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void DebugMacFrame(uint8_t preChar,uint8_t * stringP);
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uint8_t Checksum(uint8_t* frame);
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//--------------------------------------------------------------------------------
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// structure for system usage
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//--------------------------------------------------------------------------------
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struct TOKENINTERFACE
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{
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uint8_t myAddress; ///< my current address
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uint8_t currentView; ///< the current view on LCD
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bool_t debugOnline; ///< is debug station ON
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bool_t connected; ///< are we connected
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bool_t broadcastTime; ///< is broadcast time active
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bool_t needReceiveCRCError; ///< debug has to receive error
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bool_t needSendCRCError; ///< debug has to send error
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uint32_t debugSAPI; ///< current debug SAPI
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uint32_t debugAddress; ///< current debug address
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bool_t debugMsgToSend; ///< did debug have to send a message
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uint32_t destinationAddress; ///< current destination address
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uint8_t station_list[15]; ///< 0 to 14
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};
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extern struct TOKENINTERFACE gTokenInterface;
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//--------------------------------------------------------------------------------
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// Events usage
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//--------------------------------------------------------------------------------
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#define RS232_TX_EVENT 0x0001 // ready for next byte to send
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#define BROADCAST_TIME_EVT 0x0002 // time to send or not
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#define AUDIO_MSG_EVT 0x0020 // audio message to play
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#define AUDIO_ERROR_EVT 0x0040 // audio error to play
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#define AUDIO_CLOCK_EVT 0x0080 // audio clock to play
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//--------------------------------------------------------------------------------
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// Types of messages transmitted in the queues
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//--------------------------------------------------------------------------------
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enum msgType_e
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{
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TOUCH_EVENT, ///< touch has been pressed
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NEW_TOKEN, ///< a new token is requested
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START, ///< a start is requested (connected)
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STOP, ///< a stop is requested (disconnected)
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TOKEN_LIST, ///< token list sent to LCD
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MAC_ERROR, ///< error message to LCD
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TOKEN, ///< a token message
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DATA_IND, ///< a data sent between mac and app layers
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DATABACK, ///< a message is coming back
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TIME_MSG, ///< a time message is sent to LCD
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CHAR_MSG, ///< a single char is sent to the LCD
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CHAT_MSG, ///< a chat message is sent to the LCD
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FROM_PHY, ///< a message arriving from physical layer
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TO_PHY ///< a message sent to physical layer
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};
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//--------------------------------------------------------------------------------
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// The queue message structure
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//--------------------------------------------------------------------------------
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struct queueMsg_t
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{
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enum msgType_e type; ///< the type of message
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void * anyPtr; ///< the pointer to message (if any)
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uint8_t addr; ///< the source or destination address
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uint8_t sapi; ///< the source or destination SAPI
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};
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//--------------------------------------------------------------------------------
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// The mac control union
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//--------------------------------------------------------------------------------
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typedef union {
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struct {
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uint8_t sapi: 3; // MSB
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uint8_t addr: 4;
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uint8_t nothing: 1; // LSB
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};
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uint8_t raw;
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} Adresse;
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typedef union {
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struct {
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uint8_t ack: 1; // MSB
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uint8_t read: 1;
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uint8_t checksum: 6; // LSB
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};
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uint8_t raw;
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} Status;
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