Add the macro xSemaphoreTakeFromISR().

[freertos] / Source / portable / GCC / ARM_CM3_MPU / port.c

diff --git a/Source/portable/GCC/ARM_CM3_MPU/port.c b/Source/portable/GCC/ARM_CM3_MPU/port.c
index 01dcf8bfcf5873d988d4436759b589c2736505e1..5d8993d3668107d505e750c10708c9034767ff6b 100644 (file)
--- a/Source/portable/GCC/ARM_CM3_MPU/port.c
+++ b/Source/portable/GCC/ARM_CM3_MPU/port.c
@@ -78,6 +78,10 @@ task.h is included from an application file. */
 #include "task.h"\r
 #include "queue.h"\r
 \r
+#if configMAX_SYSCALL_INTERRUPT_PRIORITY == 0\r
+       #error configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to 0.  See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html\r
+#endif\r
+\r
 #undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE\r
 \r
 /* Constants required to access and manipulate the NVIC. */\r