git.sur5r.net Git - freertos/blob - Demo/RX200_RX210-RSK_Renesas/RTOSDemo/switches.c

   1 /* Kernel includes. */\r
   2 #include "FreeRTOS.h"\r
   3 #include "task.h"\r
   4 #include "semphr.h"\r
   5 \r
   6 #include "iodefine.h"\r
   7 \r
   8 extern xQueueHandle SwitchQueue;\r
   9 \r
  10 // IRQ1\r
  11 #pragma interrupt (Excep_IRQ1(vect=65))\r
  12 void Excep_IRQ1(void);\r
  13 \r
  14 // IRQ3\r
  15 #pragma interrupt (Excep_IRQ3(vect=67))\r
  16 void Excep_IRQ3(void);\r
  17 \r
  18 // IRQ4\r
  19 #pragma interrupt (Excep_IRQ4(vect=68))\r
  20 void Excep_IRQ4(void);\r
  21 \r
  22 \r
  23 \r
  24 void SwitchSetup(void)\r
  25 {\r
  26         /* Configure SW 1-3 pin settings */\r
  27     PORT3.PDR.BIT.B1 = 0;               /* Switch 1 - Port 3.1 - IRQ1 */\r
  28     PORT3.PDR.BIT.B3 = 0;               /* Switch 2 - Port 3.3 - IRQ3 */\r
  29     PORT3.PDR.BIT.B4 = 0;               /* Switch 3 - Port 3.4 - IRQ4 */\r
  30 \r
  31         PORT3.PMR.BIT.B1 = 1;\r
  32         PORT3.PMR.BIT.B3 = 1;\r
  33         PORT3.PMR.BIT.B4 = 1;\r
  34         \r
  35         MPC.PWPR.BIT.B0WI = 0;          // Writing to the PFSWE bit is enabled\r
  36         MPC.PWPR.BIT.PFSWE = 1;         // Writing to the PFS register is enabled\r
  37         MPC.P31PFS.BIT.ISEL = 1;\r
  38         MPC.P33PFS.BIT.ISEL = 1;\r
  39         MPC.P34PFS.BIT.ISEL = 1;\r
  40 \r
  41         /* IRQ1 */\r
  42         ICU.IER[0x08].BIT.IEN1 = 1;     \r
  43         ICU.IPR[65].BIT.IPR = configMAX_SYSCALL_INTERRUPT_PRIORITY - 1;\r
  44         ICU.IR[65].BIT.IR = 0;\r
  45         ICU.IRQCR[1].BIT.IRQMD = 1;     // falling edge\r
  46         \r
  47         /* IRQ3 */\r
  48         ICU.IER[0x08].BIT.IEN3 = 1;     \r
  49         ICU.IPR[67].BIT.IPR = configMAX_SYSCALL_INTERRUPT_PRIORITY - 1;\r
  50         ICU.IR[67].BIT.IR = 0;\r
  51         ICU.IRQCR[3].BIT.IRQMD = 1;     // falling edge\r
  52 \r
  53         /* IRQ4 */\r
  54         ICU.IER[0x08].BIT.IEN4 = 1;     \r
  55         ICU.IPR[68].BIT.IPR = configMAX_SYSCALL_INTERRUPT_PRIORITY - 1;\r
  56         ICU.IR[68].BIT.IR = 0;\r
  57         ICU.IRQCR[4].BIT.IRQMD = 1;     // falling edge\r
  58         \r
  59 }\r
  60 \r
  61 void Excep_IRQ1(void)\r
  62 {\r
  63         portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;\r
  64         static portTickType PreviousCount = 0;\r
  65         portTickType CurrentCount;\r
  66         static unsigned char ID_Switch1 = 1;\r
  67         \r
  68         CurrentCount = xTaskGetTickCount();\r
  69         \r
  70         if( (CurrentCount - PreviousCount) > (125 / portTICK_RATE_MS) )\r
  71         {\r
  72                 xQueueSendToBackFromISR( SwitchQueue, &ID_Switch1, &xHigherPriorityTaskWoken);\r
  73         }\r
  74         PreviousCount = CurrentCount;\r
  75     portYIELD_FROM_ISR( xHigherPriorityTaskWoken );\r
  76 }\r
  77 \r
  78 void Excep_IRQ3(void)\r
  79 {\r
  80         static portTickType PreviousCount = 0;\r
  81         portTickType CurrentCount;\r
  82 \r
  83         portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;\r
  84         static unsigned char ID_Switch2 = 2;\r
  85 \r
  86         CurrentCount = xTaskGetTickCount();\r
  87         \r
  88         if( (CurrentCount - PreviousCount) > (250 / portTICK_RATE_MS) )\r
  89         {\r
  90                 xQueueSendToBackFromISR( SwitchQueue, &ID_Switch2, &xHigherPriorityTaskWoken);\r
  91         }\r
  92         PreviousCount = CurrentCount;\r
  93     portYIELD_FROM_ISR( xHigherPriorityTaskWoken );\r
  94 }\r
  95 \r
  96 void Excep_IRQ4(void)\r
  97 {\r
  98         static portTickType PreviousCount = 0;\r
  99         portTickType CurrentCount;\r
 100 \r
 101         portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;\r
 102         static unsigned char ID_Switch3 = 3;\r
 103         \r
 104         CurrentCount = xTaskGetTickCount();\r
 105         \r
 106         if( (CurrentCount - PreviousCount) > (125 / portTICK_RATE_MS) )\r
 107         {\r
 108                 xQueueSendToBackFromISR( SwitchQueue, &ID_Switch3, &xHigherPriorityTaskWoken);\r
 109         }\r
 110         PreviousCount = CurrentCount;\r
 111     portYIELD_FROM_ISR( xHigherPriorityTaskWoken );\r
 112 }