git.sur5r.net Git - freertos/blob - Demo/MB91460_Softune/SRC/utility/taskutility.c

   1 /* THIS SAMPLE CODE IS PROVIDED AS IS AND IS SUBJECT TO ALTERATIONS. FUJITSU */\r
   2 /* MICROELECTRONICS ACCEPTS NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR */\r
   3 /* ELIGIBILITY FOR ANY PURPOSES.                                                                                         */\r
   4 /*                               (C) Fujitsu Microelectronics Europe GmbH                                        */\r
   5 /*------------------------------------------------------------------------\r
   6   taskutility.C\r
   7   - \r
   8 -------------------------------------------------------------------------*/\r
   9 #include "mb91467d.h"\r
  10 #include "vectors.h"\r
  11 #include "FreeRTOS.h"\r
  12 #include "task.h"\r
  13 #include "semphr.h"\r
  14 \r
  15 static void vUART5Task( void *pvParameters );\r
  16 \r
  17 const char                      ASCII[] = "0123456789ABCDEF";\r
  18 \r
  19 void                            vInitUart5( void );\r
  20 \r
  21 xSemaphoreHandle        xSemaphore;\r
  22 \r
  23 void vInitUart5( void )\r
  24 {\r
  25         //Initialize UART asynchronous mode\r
  26         BGR05 = 1666;   //  9600 Baud @ 16MHz\r
  27         SCR05 = 0x17;   // 7N2\r
  28         SMR05 = 0x0d;   // enable SOT3, Reset, normal mode\r
  29         SSR05 = 0x00;   // LSB first\r
  30         PFR19_D4 = 1;   // enable UART\r
  31         PFR19_D5 = 1;   // enable UART\r
  32 \r
  33         //EPFR19 = 0x00;   // enable UART\r
  34         SSR05_RIE = 1;\r
  35 }\r
  36 \r
  37 void Putch5( char ch )  /* sends a char */\r
  38 {\r
  39         while( SSR05_TDRE == 0 );\r
  40 \r
  41         /* wait for transmit buffer empty */\r
  42         TDR05 = ch; /* put ch into buffer */\r
  43 }\r
  44 \r
  45 char Getch5( void ) /* waits for and returns incomming char */\r
  46 {\r
  47         volatile unsigned       ch;\r
  48 \r
  49         while( SSR05_RDRF == 0 );\r
  50 \r
  51         /* wait for data received */\r
  52         if( SSR05_ORE )                 /* overrun error */\r
  53         {\r
  54                 ch = RDR05;                     /* reset error flags */\r
  55                 return ( char ) ( -1 );\r
  56         }\r
  57         else\r
  58         {\r
  59                 return( RDR05 );        /* return char */\r
  60         }\r
  61 }\r
  62 \r
  63 void Puts5( const char *Name5 ) /* Puts a String to UART */\r
  64 {\r
  65         volatile portSHORT      i, len;\r
  66         len = strlen( Name5 );\r
  67 \r
  68         for( i = 0; i < strlen(Name5); i++ )    /* go through string */\r
  69         {\r
  70                 if( Name5[i] == 10 )\r
  71                 {\r
  72                         Putch5( 13 );\r
  73                 }\r
  74 \r
  75                 Putch5( Name5[i] );                                     /* send it out */\r
  76         }\r
  77 }\r
  78 \r
  79 void Puthex5( unsigned long n, unsigned char digits )\r
  80 {\r
  81         unsigned portCHAR       digit = 0, div = 0, i;\r
  82 \r
  83         div = ( 4 * (digits - 1) );                             /* init shift divisor */\r
  84         for( i = 0; i < digits; i++ )\r
  85         {\r
  86                 digit = ( (n >> div) & 0xF );           /* get hex-digit value */\r
  87                 Putch5( digit + ((digit < 0xA) ? '0' : 'A' - 0xA) );\r
  88                 div -= 4;               /* next digit shift */\r
  89         }\r
  90 }\r
  91 \r
  92 void Putdec5( unsigned long x, int digits )\r
  93 {\r
  94         portSHORT       i;\r
  95         portCHAR        buf[10], sign = 1;\r
  96 \r
  97         if( digits < 0 )\r
  98         {                                       /* should be print of zero? */\r
  99                 digits *= ( -1 );\r
 100                 sign = 1;\r
 101         }\r
 102 \r
 103         buf[digits] = '\0'; /* end sign of string */\r
 104 \r
 105         for( i = digits; i > 0; i-- )\r
 106         {\r
 107                 buf[i - 1] = ASCII[x % 10];\r
 108                 x = x / 10;\r
 109         }\r
 110 \r
 111         if( sign )\r
 112         {\r
 113                 for( i = 0; buf[i] == '0'; i++ )\r
 114                 {                               /* no print of zero */\r
 115                         if( i < digits - 1 )\r
 116                         {\r
 117                                 buf[i] = ' ';\r
 118                         }\r
 119                 }\r
 120         }\r
 121 \r
 122         Puts5( buf );           /* send string */\r
 123 }\r
 124 \r
 125 void vUtilityStartTraceTask( unsigned portBASE_TYPE uxPriority )\r
 126 {\r
 127         portENTER_CRITICAL();\r
 128         vInitUart5();\r
 129         portENTER_CRITICAL();\r
 130 \r
 131         vSemaphoreCreateBinary( xSemaphore );\r
 132 \r
 133         if( xSemaphore != NULL )\r
 134         {\r
 135                 xTaskCreate( vUART5Task, (signed portCHAR *) "UART4", ( unsigned portSHORT ) 2048, ( void * ) NULL, uxPriority, NULL );\r
 136         }\r
 137 }\r
 138 \r
 139 static void vUART5Task( void *pvParameters )\r
 140 {\r
 141         portCHAR                        tasklist_buff[512], trace_buff[512];\r
 142         unsigned portLONG       trace_len, j;\r
 143 \r
 144         unsigned portCHAR       ch;\r
 145 \r
 146         Puts5( "\n -------------MB91467D FreeRTOS DEMO Task List and Trace Utility----------- \n" );\r
 147 \r
 148         for( ;; )\r
 149         {\r
 150                 Puts5( "\n\rPress any of the following keys for the corresponding functionality: " );\r
 151 \r
 152                 Puts5( "\n\r1: To call vTaskList() and display current task status " );\r
 153 \r
 154                 Puts5( "\n\r2: To call vTaskStartTrace() and to display trace results once the trace ends" );\r
 155 \r
 156                 SSR05_RIE = 1;\r
 157 \r
 158                 /* Block on the semaphore.  The UART interrupt will use the semaphore to\r
 159                 wake this task when required. */\r
 160                 xSemaphoreTake( xSemaphore, portMAX_DELAY );\r
 161 \r
 162                 ch = Getch5();\r
 163 \r
 164                 switch( ch )\r
 165                 {\r
 166                         case '1':\r
 167                                 vTaskList( (signed char *) tasklist_buff );\r
 168                                 Puts5( "\n\rThe current task list is as follows...." );\r
 169                                 Puts5( "\n\r----------------------------------------------" );\r
 170                                 Puts5( "\n\rName                  State  Priority  Stack   Number" );\r
 171                                 Puts5( "\n\r----------------------------------------------" );\r
 172                                 Puts5( tasklist_buff );\r
 173                                 Puts5( "\r----------------------------------------------" );\r
 174                                 break;\r
 175 \r
 176                         case '2':\r
 177                                 vTaskStartTrace( (signed char *) trace_buff, 512 );\r
 178                                 Puts5( "\n\rThe trace started!!" );\r
 179                                 vTaskDelay( (portTickType) 450 );\r
 180                                 trace_len = ulTaskEndTrace();\r
 181                                 Puts5( "\n\rThe trace ended!!" );\r
 182                                 Puts5( "\n\rThe trace is as follows...." );\r
 183                                 Puts5( "\n\r--------------------------------------------------------" );\r
 184                                 Puts5( "\n\r  Tick       | Task Number  |        Tick    | Task Number  |" );\r
 185                                 Puts5( "\n\r--------------------------------------------------------\n\r" );\r
 186                                 for( j = 0; j < trace_len; j++ )\r
 187                                 {\r
 188                                         Puthex5( trace_buff[j], 2 );\r
 189                                         if( j % 4 == 3 )\r
 190                                         {\r
 191                                                 Puts5( "   |   " );\r
 192                                         }\r
 193 \r
 194                                         if( j % 16 == 15 )\r
 195                                         {\r
 196                                                 Puts5( "\n" );\r
 197                                         }\r
 198                                 }\r
 199 \r
 200                                 Puts5( "\r--------------------------------------------------------" );\r
 201                                 break;\r
 202 \r
 203                         default:\r
 204                                 break;\r
 205                 }\r
 206 \r
 207                 Puts5( "\n" );\r
 208         }\r
 209 }\r
 210 \r
 211 __interrupt void UART5_RxISR( void )\r
 212 {\r
 213         SSR05_RIE = 0;\r
 214         xSemaphoreGiveFromISR( xSemaphore, pdFALSE );\r
 215 }\r