git.sur5r.net Git - freertos/blob - FreeRTOS/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 "queue.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 \r
  22 static xQueueHandle xQueue;\r
  23 \r
  24 void vInitUart5( void )\r
  25 {\r
  26         //Initialize UART asynchronous mode\r
  27         BGR05 = 1666;   //  9600 Baud @ 16MHz\r
  28         SCR05 = 0x17;   // 7N2\r
  29         SMR05 = 0x0d;   // enable SOT3, Reset, normal mode\r
  30         SSR05 = 0x00;   // LSB first\r
  31         PFR19_D4 = 1;   // enable UART\r
  32         PFR19_D5 = 1;   // enable UART\r
  33 \r
  34         //EPFR19 = 0x00;   // enable UART\r
  35         SSR05_RIE = 1;\r
  36 }\r
  37 \r
  38 void Putch5( char ch )  /* sends a char */\r
  39 {\r
  40         while( SSR05_TDRE == 0 );\r
  41 \r
  42         /* wait for transmit buffer empty */\r
  43         TDR05 = ch; /* put ch into buffer */\r
  44 }\r
  45 \r
  46 char Getch5( void ) /* waits for and returns incomming char */\r
  47 {\r
  48         volatile unsigned       ch;\r
  49 \r
  50         while( SSR05_RDRF == 0 );\r
  51 \r
  52         /* wait for data received */\r
  53         if( SSR05_ORE )                 /* overrun error */\r
  54         {\r
  55                 ch = RDR05;                     /* reset error flags */\r
  56                 return ( char ) ( -1 );\r
  57         }\r
  58         else\r
  59         {\r
  60                 return( RDR05 );        /* return char */\r
  61         }\r
  62 }\r
  63 \r
  64 void Puts5( const char *Name5 ) /* Puts a String to UART */\r
  65 {\r
  66         volatile portSHORT      i, len;\r
  67         len = strlen( Name5 );\r
  68 \r
  69         for( i = 0; i < len; i++ )      /* go through string */\r
  70         {\r
  71                 if( Name5[i] == 10 )\r
  72                 {\r
  73                         Putch5( 13 );\r
  74                 }\r
  75 \r
  76                 Putch5( Name5[i] );                                     /* send it out */\r
  77         }\r
  78 }\r
  79 \r
  80 void Puthex5( unsigned long n, unsigned char digits )\r
  81 {\r
  82         unsigned portCHAR       digit = 0, div = 0, i;\r
  83 \r
  84         div = ( 4 * (digits - 1) );                             /* init shift divisor */\r
  85         for( i = 0; i < digits; i++ )\r
  86         {\r
  87                 digit = ( (n >> div) & 0xF );           /* get hex-digit value */\r
  88                 Putch5( digit + ((digit < 0xA) ? '0' : 'A' - 0xA) );\r
  89                 div -= 4;               /* next digit shift */\r
  90         }\r
  91 }\r
  92 \r
  93 void Putdec5( unsigned long x, int digits )\r
  94 {\r
  95         portSHORT       i;\r
  96         portCHAR        buf[10], sign = 1;\r
  97 \r
  98         if( digits < 0 )\r
  99         {                                       /* should be print of zero? */\r
 100                 digits *= ( -1 );\r
 101                 sign = 1;\r
 102         }\r
 103 \r
 104         buf[digits] = '\0'; /* end sign of string */\r
 105 \r
 106         for( i = digits; i > 0; i-- )\r
 107         {\r
 108                 buf[i - 1] = ASCII[x % 10];\r
 109                 x = x / 10;\r
 110         }\r
 111 \r
 112         if( sign )\r
 113         {\r
 114                 for( i = 0; buf[i] == '0'; i++ )\r
 115                 {                               /* no print of zero */\r
 116                         if( i < digits - 1 )\r
 117                         {\r
 118                                 buf[i] = ' ';\r
 119                         }\r
 120                 }\r
 121         }\r
 122 \r
 123         Puts5( buf );           /* send string */\r
 124 }\r
 125 \r
 126 void vUtilityStartTraceTask( unsigned portBASE_TYPE uxPriority )\r
 127 {\r
 128         xQueue = xQueueCreate( 5, sizeof( char ) );\r
 129 \r
 130         if( xQueue != NULL )\r
 131         {\r
 132                 portENTER_CRITICAL();\r
 133                 vInitUart5();\r
 134                 portENTER_CRITICAL();\r
 135 \r
 136                 xTaskCreate( vUART5Task, (signed portCHAR *) "UART5", configMINIMAL_STACK_SIZE * 2, ( void * ) NULL, uxPriority, NULL );\r
 137         }\r
 138 }\r
 139 \r
 140 static void vUART5Task( void *pvParameters )\r
 141 {\r
 142         static portCHAR buff[ 900 ] = { 0 };\r
 143         unsigned portLONG       trace_len, j;\r
 144 \r
 145         unsigned portCHAR       ch;\r
 146 \r
 147         SSR05_RIE = 1;\r
 148         Puts5( "\n -------------MB91467D FreeRTOS DEMO Task List and Trace Utility----------- \n" );\r
 149 \r
 150         for( ;; )\r
 151         {\r
 152                 Puts5( "\n\rPress any of the following keys for the corresponding functionality: " );\r
 153 \r
 154                 Puts5( "\n\r1: To call vTaskList() and display current task status " );\r
 155 \r
 156                 Puts5( "\n\r2: To call vTaskStartTrace() and to display trace results once the trace ends" );\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                 xQueueReceive( xQueue, &ch, portMAX_DELAY );\r
 161 \r
 162                 switch( ch )\r
 163                 {\r
 164                         case '1':\r
 165                                 vTaskList( (signed char *) buff );\r
 166                                 Puts5( "\n\rThe current task list is as follows...." );\r
 167                                 Puts5( "\n\r----------------------------------------------" );\r
 168                                 Puts5( "\n\rName                  State  Priority  Stack   Number" );\r
 169                                 Puts5( "\n\r----------------------------------------------" );\r
 170                                 Puts5( buff );\r
 171                                 Puts5( "\r----------------------------------------------" );\r
 172                                 break;\r
 173 \r
 174                         case '2':\r
 175                                 vTaskStartTrace( (signed char *) buff, sizeof( buff ) );\r
 176                                 Puts5( "\n\rThe trace started!!" );\r
 177                                 vTaskDelay( (portTickType) 450 );\r
 178                                 trace_len = ulTaskEndTrace();\r
 179                                 Puts5( "\n\rThe trace ended!!" );\r
 180                                 Puts5( "\n\rThe trace is as follows...." );\r
 181                                 Puts5( "\n\r--------------------------------------------------------" );\r
 182                                 Puts5( "\n\r  Tick       | Task Number  |        Tick    | Task Number  |" );\r
 183                                 Puts5( "\n\r--------------------------------------------------------\n\r" );\r
 184                                 for( j = 0; j < trace_len; j++ )\r
 185                                 {\r
 186                                         Puthex5( buff[j], 2 );\r
 187                                         if( j % 4 == 3 )\r
 188                                         {\r
 189                                                 Puts5( "   |   " );\r
 190                                         }\r
 191 \r
 192                                         if( j % 16 == 15 )\r
 193                                         {\r
 194                                                 Puts5( "\n" );\r
 195                                         }\r
 196                                 }\r
 197 \r
 198                                 Puts5( "\r--------------------------------------------------------" );\r
 199                                 break;\r
 200 \r
 201                         default:\r
 202                                 break;\r
 203                 }\r
 204 \r
 205                 Puts5( "\n" );\r
 206         }\r
 207 }\r
 208 \r
 209 __interrupt void UART5_RxISR( void )\r
 210 {\r
 211 unsigned portCHAR ch;\r
 212 portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;\r
 213 \r
 214         ch = RDR05;\r
 215         xQueueSendFromISR( xQueue, &ch, &xHigherPriorityTaskWoken );\r
 216 }\r