diff options
Diffstat (limited to 'os/ports/GCC')
| -rw-r--r-- | os/ports/GCC/ARMCMx/chcore_v7m.c | 2 | ||||
| -rw-r--r-- | os/ports/GCC/ARMCMx/chcore_v7m.h | 11 |
2 files changed, 11 insertions, 2 deletions
diff --git a/os/ports/GCC/ARMCMx/chcore_v7m.c b/os/ports/GCC/ARMCMx/chcore_v7m.c index 8c650a202..a661bb60a 100644 --- a/os/ports/GCC/ARMCMx/chcore_v7m.c +++ b/os/ports/GCC/ARMCMx/chcore_v7m.c @@ -112,7 +112,7 @@ void _port_init(void) { /* Initialization of the vector table and priority related settings.*/
SCB_VTOR = CORTEX_VTOR_INIT;
- SCB_AIRCR = AIRCR_VECTKEY | AIRCR_PRIGROUP(0);
+ SCB_AIRCR = AIRCR_VECTKEY | AIRCR_PRIGROUP(CORTEX_PRIGROUP_INIT);
/* Initialization of the system vectors used by the port.*/
nvicSetSystemHandlerPriority(HANDLER_SVCALL,
diff --git a/os/ports/GCC/ARMCMx/chcore_v7m.h b/os/ports/GCC/ARMCMx/chcore_v7m.h index 10edcc45b..6fdfd44d6 100644 --- a/os/ports/GCC/ARMCMx/chcore_v7m.h +++ b/os/ports/GCC/ARMCMx/chcore_v7m.h @@ -129,7 +129,16 @@ * @brief NVIC VTOR initialization expression.
*/
#if !defined(CORTEX_VTOR_INIT) || defined(__DOXYGEN__)
-#define CORTEX_VTOR_INIT 0x00000000
+#define CORTEX_VTOR_INIT 0x00000000
+#endif
+
+/**
+ * @brief NVIC PRIGROUP initialization expression.
+ * @details The default assigns all available priority bits as preemption
+ * priority with no sub-priority.
+ */
+#if !defined(CORTEX_PRIGROUP_INIT) || defined(__DOXYGEN__)
+#define CORTEX_PRIGROUP_INIT (7 - CORTEX_PRIORITY_BITS)
#endif
/*===========================================================================*/
|