diff options
Diffstat (limited to 'nuttx/arch/arm/include/stm32')
| -rw-r--r-- | nuttx/arch/arm/include/stm32/chip.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/nuttx/arch/arm/include/stm32/chip.h b/nuttx/arch/arm/include/stm32/chip.h index b7ec7dbba..14d92ea3d 100644 --- a/nuttx/arch/arm/include/stm32/chip.h +++ b/nuttx/arch/arm/include/stm32/chip.h @@ -692,5 +692,15 @@ # error "Unsupported STM32 chip" #endif +/* NVIC priority levels *************************************************************/ + +#define NVIC_SYSH_PRIORITY_MIN 0xf0 /* All bits set in minimum priority */ +#define NVIC_SYSH_PRIORITY_DEFAULT 0x80 /* Midpoint is the default */ +#define NVIC_SYSH_PRIORITY_MAX 0x00 /* Zero is maximum priority */ +#define NVIC_SYSH_PRIORITY_STEP 0x10 /* Four bits of interrupt priority used */ + +#define NVIC_SYSH_DISABLE_PRIORITY (NVIC_SYSH_PRIORITY_MAX + NVIC_SYSH_PRIORITY_STEP) +#define NVIC_SYSH_SVCALL_PRIORITY NVIC_SYSH_PRIORITY_MAX + #endif /* __ARCH_ARM_INCLUDE_STM32_CHIP_H */ |