begriffs open source - freertos/blob - Demo/MB96340_Softune/FreeRTOS_96348hs_FLASHCAN100P340/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 \r
  10  \r
  11 /*************************@INCLUDE_START************************/\r
  12 #include "mb96348hs.h"\r
  13 #include "FreeRTOS.h"\r
  14 #include "task.h"\r
  15 \r
  16 \r
  17 static void vUART2Task( void *pvParameters );\r
  18 \r
  19 /**************************@INCLUDE_END*************************/\r
  20 /*********************@GLOBAL_VARIABLES_START*******************/\r
  21 const char ASCII[] = "0123456789ABCDEF";\r
  22 \r
  23 xTaskHandle UART_TaskHandle;\r
  24 \r
  25 void InitUart2(void)\r
  26 {\r
  27         /* Initialize UART asynchronous mode */\r
  28         BGR2 = configCLKP1_CLOCK_HZ / 9600;     /* 9600 Baud @ CLKP1 - 56 MHz */\r
  29                   \r
  30         SCR2 = 0x17;    /* 8N1 */\r
  31         SMR2 = 0x0d;    /* enable SOT3, Reset, normal mode */\r
  32         SSR2 = 0x02;    /* LSB first, enable receive interrupts */\r
  33   \r
  34         PIER05_IE0 = 1;  /* enable input */\r
  35         DDR05_D0 = 0;    /* switch P05_0 to input */\r
  36         DDR05_D1 = 1;    /* switch P05_1 to output */\r
  37         \r
  38 }\r
  39 \r
  40 void Putch2(char ch)         /* sends a char */\r
  41 {\r
  42   while (SSR2_TDRE == 0);    /* wait for transmit buffer empty  */\r
  43   TDR2 = ch;                 /* put ch into buffer                      */\r
  44 }\r
  45 \r
  46 char Getch2(void)            /* waits for and returns incomming char    */\r
  47 {\r
  48   volatile unsigned ch;\r
  49   \r
  50   while(SSR2_RDRF == 0);         /* wait for data received      */\r
  51   if (SSR2_ORE)              /* overrun error           */\r
  52   {\r
  53     ch = RDR2;              /* reset error flags                */\r
  54     return (char)(-1);\r
  55   }\r
  56   else\r
  57   return (RDR2);            /* return char                      */\r
  58 }\r
  59 \r
  60 void Puts2(const char *Name2)  /* Puts a String to UART */\r
  61 {\r
  62   volatile portSHORT i,len;\r
  63   len = strlen(Name2);\r
  64         \r
  65   for (i=0; i<strlen(Name2); i++)   /* go through string                     */\r
  66   {\r
  67     if (Name2[i] == 10)\r
  68       Putch2(13);\r
  69     Putch2(Name2[i]);              /* send it out                           */\r
  70   }\r
  71 }\r
  72 \r
  73 void Puthex2(unsigned long n, unsigned char digits)\r
  74 {\r
  75    unsigned portCHAR digit=0,div=0,i;\r
  76 \r
  77    div=(4*(digits-1));  /* init shift divisor */\r
  78    for (i=0;i<digits;i++)\r
  79    {\r
  80      digit = ((n >> div)&0xF); /* get hex-digit value */\r
  81          Putch2(digit + ((digit < 0xA) ? '0' : 'A' - 0xA));\r
  82      div-=4;                    /* next digit shift */\r
  83    }\r
  84 }\r
  85 \r
  86 void Putdec2(unsigned long x, int digits)\r
  87 {\r
  88         portSHORT i;\r
  89         portCHAR buf[10],sign=1;\r
  90         \r
  91         if (digits < 0) {     /* should be print of zero? */\r
  92           digits *= (-1);\r
  93           sign =1;\r
  94         }  \r
  95         buf[digits]='\0';                       /* end sign of string */\r
  96         \r
  97         for (i=digits; i>0; i--) {\r
  98                 buf[i-1] = ASCII[x % 10];\r
  99                 x = x/10;\r
 100         }\r
 101 \r
 102     if ( sign )\r
 103     {\r
 104           for (i=0; buf[i]=='0'; i++) { /* no print of zero */\r
 105                 if ( i<digits-1)\r
 106                         buf[i] = ' ';\r
 107           }             \r
 108     }\r
 109     \r
 110         Puts2(buf);                                     /* send string */\r
 111 }\r
 112 \r
 113 void vTraceListTasks( unsigned portBASE_TYPE uxPriority )\r
 114 {\r
 115         portENTER_CRITICAL();\r
 116         InitUart2();\r
 117         portENTER_CRITICAL();\r
 118         xTaskCreate( vUART2Task , ( signed portCHAR * ) "UART2",  ( unsigned portSHORT ) 2048, ( void * ) NULL, uxPriority, &UART_TaskHandle );\r
 119 }\r
 120 \r
 121 static void vUART2Task( void *pvParameters )\r
 122 {\r
 123         portCHAR tasklist_buff[512];\r
 124         portCHAR trace_buff[512];\r
 125         unsigned portLONG trace_len;\r
 126         signed portLONG i, j, l=0;\r
 127         \r
 128         unsigned portCHAR ch;   \r
 129         \r
 130         ( void ) pvParameters;\r
 131         \r
 132         Puts2("\n -------------MB96348 FreeRTOS DEMO Task List and Trace Utility----------- \n");\r
 133 \r
 134         for(;;)\r
 135         {\r
 136                 Puts2("\n\rPress any of the following keys for the corresponding functionality: ");\r
 137 \r
 138                 Puts2("\n\r1: To call vTaskList() and display current task status ");\r
 139 \r
 140                 Puts2("\n\r2: To call vTaskStartTrace() and to display trace results once the trace ends");\r
 141 \r
 142                 SSR2_RIE=1;\r
 143 \r
 144                 vTaskSuspend(NULL);\r
 145 \r
 146                 ch=Getch2();\r
 147 \r
 148                 switch ( ch ) \r
 149                 {\r
 150                         case '1':\r
 151                                 vTaskList( ( signed char * ) tasklist_buff );\r
 152                                 Puts2("\n\rThe current task list is as follows....");\r
 153                                 Puts2("\n\r----------------------------------------------");\r
 154                                 Puts2("\n\rName          State  Priority  Stack   Number");\r
 155                                 Puts2("\n\r----------------------------------------------");\r
 156                                 Puts2(tasklist_buff);\r
 157                                 Puts2("\r----------------------------------------------");\r
 158                                 break;\r
 159 \r
 160                         case '2':\r
 161                                 vTaskStartTrace(( signed char * ) trace_buff, 512);\r
 162                                 Puts2("\n\rThe trace started!!");\r
 163                                 vTaskDelay( ( portTickType ) 500);\r
 164                                 trace_len = ulTaskEndTrace();\r
 165                                 Puts2("\n\rThe trace ended!!");\r
 166                                 Puts2("\n\rThe trace is as follows....");\r
 167                                 Puts2("\n\r--------------------------------------------------------");\r
 168                                 Puts2("\n\r  Tick     | Task Number  |     Tick     | Task Number  |");\r
 169                                 Puts2("\n\r--------------------------------------------------------\n\r");\r
 170                                 \r
 171                                 for( i = 0 ; i < trace_len ; i+=4 )\r
 172                                 {\r
 173                                         for( j = i+3 ; j >= i ; j-- )\r
 174                                         {\r
 175                                                 Puthex2(trace_buff[j],2);\r
 176                                         }\r
 177                                         Puts2("   |   ");\r
 178                                         l++;\r
 179                                         if ( l == 4)\r
 180                                         {\r
 181                                                 Puts2("\n");\r
 182                                                 l = 0;\r
 183                                         }       \r
 184                                 }\r
 185                                 Puts2("\r--------------------------------------------------------");\r
 186                                 break;\r
 187                                 \r
 188                         default:\r
 189                                 break;\r
 190                 }\r
 191                 Puts2("\n");\r
 192         }\r
 193 }\r
 194 \r
 195 __interrupt void UART2_RxISR ( void )\r
 196 {\r
 197         SSR2_RIE=0;\r
 198         vTaskResume( UART_TaskHandle );\r
 199 }\r