Diff: FreeRTOS/Source/portable/GCC/ARM_CM3/portmacro.h

Revision:

0:d4960fcea8ff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FreeRTOS/Source/portable/GCC/ARM_CM3/portmacro.h	Sat Jan 01 11:17:45 2011 +0000
@@ -0,0 +1,226 @@
+/*
+    FreeRTOS V6.0.3 - Copyright (C) 2010 Real Time Engineers Ltd.
+
+    ***************************************************************************
+    *                                                                         *
+    * If you are:                                                             *
+    *                                                                         *
+    *    + New to FreeRTOS,                                                   *
+    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
+    *    + Looking for basic training,                                        *
+    *    + Wanting to improve your FreeRTOS skills and productivity           *
+    *                                                                         *
+    * then take a look at the FreeRTOS eBook                                  *
+    *                                                                         *
+    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
+    *                  http://www.FreeRTOS.org/Documentation                  *
+    *                                                                         *
+    * A pdf reference manual is also available.  Both are usually delivered   *
+    * to your inbox within 20 minutes to two hours when purchased between 8am *
+    * and 8pm GMT (although please allow up to 24 hours in case of            *
+    * exceptional circumstances).  Thank you for your support!                *
+    *                                                                         *
+    ***************************************************************************
+
+    This file is part of the FreeRTOS distribution.
+
+    FreeRTOS is free software; you can redistribute it and/or modify it under
+    the terms of the GNU General Public License (version 2) as published by the
+    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+    ***NOTE*** The exception to the GPL is included to allow you to distribute
+    a combined work that includes FreeRTOS without being obliged to provide the
+    source code for proprietary components outside of the FreeRTOS kernel.
+    FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+    more details. You should have received a copy of the GNU General Public 
+    License and the FreeRTOS license exception along with FreeRTOS; if not it 
+    can be viewed here: http://www.freertos.org/a00114.html and also obtained 
+    by writing to Richard Barry, contact details for whom are available on the
+    FreeRTOS WEB site.
+
+    1 tab == 4 spaces!
+
+    http://www.FreeRTOS.org - Documentation, latest information, license and
+    contact details.
+
+    http://www.SafeRTOS.com - A version that is certified for use in safety
+    critical systems.
+
+    http://www.OpenRTOS.com - Commercial support, development, porting,
+    licensing and training services.
+*/
+// Modified by  Kenji Arai / JH1PJL, October 30th,2010
+
+#ifndef PORTMACRO_H
+#define PORTMACRO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*-----------------------------------------------------------
+ * Port specific definitions.  
+ *
+ * The settings in this file configure FreeRTOS correctly for the
+ * given hardware and compiler.
+ *
+ * These settings should not be altered.
+ *-----------------------------------------------------------
+ */
+
+/* Type definitions. */
+#define portCHAR        char
+#define portFLOAT        float
+#define portDOUBLE        double
+#define portLONG        long
+#define portSHORT        short
+#define portSTACK_TYPE    unsigned portLONG
+#define portBASE_TYPE    long
+
+#if( configUSE_16_BIT_TICKS == 1 )
+    typedef unsigned portSHORT portTickType;
+    #define portMAX_DELAY ( portTickType ) 0xffff
+#else
+    typedef unsigned portLONG portTickType;
+    #define portMAX_DELAY ( portTickType ) 0xffffffff
+#endif
+/*-----------------------------------------------------------*/    
+
+/* Architecture specifics. */
+#define portSTACK_GROWTH            ( -1 )
+#define portTICK_RATE_MS            ( ( portTickType ) 1000 / configTICK_RATE_HZ )        
+#define portBYTE_ALIGNMENT            8
+/*-----------------------------------------------------------*/    
+
+
+/* Scheduler utilities. */
+extern void vPortYieldFromISR( void );
+
+#define portYIELD()    vPortYieldFromISR()
+
+#define portEND_SWITCHING_ISR( xSwitchRequired ) if( xSwitchRequired ) vPortYieldFromISR()
+/*-----------------------------------------------------------*/
+
+// Modified by  Kenji Arai / JH1PJL, October 30th,2010
+#if 0
+/* Critical section management. */
+
+/* 
+ * Set basepri to portMAX_SYSCALL_INTERRUPT_PRIORITY without effecting other
+ * registers.  r0 is clobbered.
+ */ 
+//#define portSET_INTERRUPT_MASK()                        \
+    __asm volatile                                        \
+    (                                                    \
+        "    mov r0, %0                                \n"    \
+        "    msr basepri, r0                            \n" \
+        ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY):"r0"    \
+    )
+    
+/*
+ * Set basepri back to 0 without effective other registers.
+ * r0 is clobbered.
+ */
+//#define portCLEAR_INTERRUPT_MASK()            \
+    __asm volatile                            \
+    (                                        \
+        "    mov r0, #0                    \n"    \
+        "    msr basepri, r0                \n"    \
+        :::"r0"                                \
+    )
+
+//#define portSET_INTERRUPT_MASK_FROM_ISR()        0;portSET_INTERRUPT_MASK()
+//#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x)    portCLEAR_INTERRUPT_MASK();(void)x
+
+extern void vPortEnterCritical( void );
+extern void vPortExitCritical( void );
+
+#define portDISABLE_INTERRUPTS()    portSET_INTERRUPT_MASK()
+#define portENABLE_INTERRUPTS()        portCLEAR_INTERRUPT_MASK()
+#define portENTER_CRITICAL()        vPortEnterCritical()
+#define portEXIT_CRITICAL()            vPortExitCritical()
+#else
+
+/* Critical section management. */
+
+/*
+ * Set basepri to portMAX_SYSCALL_INTERRUPT_PRIORITY without effecting other
+ * registers.  r0 is clobbered.
+ */
+#define portSET_INTERRUPT_MASK()                         \
+    __asm volatile                                         \
+    (                                                     \
+        "    mov r0, %0                                \n"     \
+        "    msr basepri, r0                            \n"  \
+        ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY):"r0" \
+    )
+
+
+/*
+ * Set basepri back to 0 without effective other registers.
+ * r0 is clobbered.
+ */
+#define portCLEAR_INTERRUPT_MASK()            \
+    __asm volatile                            \
+    (                                        \
+        "    mov r0, #0                    \n"    \
+        "    msr basepri, r0                \n"    \
+        :::"r0"                                \
+    )
+
+
+#define portSET_INTERRUPT_MASK_FROM_ISR()        0;portSET_INTERRUPT_MASK()
+#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x)    portCLEAR_INTERRUPT_MASK();(void)x
+
+extern void vPortEnterCritical( void );
+extern void vPortExitCritical( void );
+
+#define portDISABLE_INTERRUPTS()    portSET_INTERRUPT_MASK()
+#define portENABLE_INTERRUPTS()        portCLEAR_INTERRUPT_MASK()
+#define portENTER_CRITICAL()        vPortEnterCritical()
+#define portEXIT_CRITICAL()            vPortExitCritical()
+
+#if 0
+/* Critical section management. */
+
+/*
+ * Set basepri to portMAX_SYSCALL_INTERRUPT_PRIORITY without effecting other
+ * registers.  r0 is clobbered.
+ */
+extern void portSET_INTERRUPT_MASK( unsigned portBASE_TYPE );
+/*
+ * Set basepri back to 0 without effective other registers.
+ * r0 is clobbered.
+ */
+extern void portCLEAR_INTERRUPT_MASK( unsigned portBASE_TYPE );
+
+//extern void portCLEAR_INTERRUPT_MASK_FROM_ISR( unsigned portBASE_TYPE );
+
+extern void vPortEnterCritical( void );
+extern void vPortExitCritical( void );
+
+#define portSET_INTERRUPT_MASK_FROM_ISR()         portSET_INTERRUPT_MASK(0)
+#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x)    portCLEAR_INTERRUPT_MASK();
+#define portDISABLE_INTERRUPTS()    portSET_INTERRUPT_MASK()
+#define portENABLE_INTERRUPTS()        portCLEAR_INTERRUPT_MASK()
+#define portENTER_CRITICAL()        vPortEnterCritical()
+#define portEXIT_CRITICAL()            vPortExitCritical()
+#endif
+
+
+#endif
+/*-----------------------------------------------------------*/
+
+/* Task function macros as described on the FreeRTOS.org WEB site. */
+#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
+#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
+
+#define portNOP()
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PORTMACRO_H */
+