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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-22 01:25:40 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-22 01:25:40 +0000 |
| commit | fefa8ee3353d5ac7ef0e925ba8dcbbb89f2c96ae (patch) | |
| tree | a1914fb5c45a61232078c98064198ac8818f07b4 /nuttx/arch/arm/include/stm32 | |
| parent | c86261aac88dcc280ca37e532ba96435c1c54699 (diff) | |
| download | px4-nuttx-fefa8ee3353d5ac7ef0e925ba8dcbbb89f2c96ae.tar.gz px4-nuttx-fefa8ee3353d5ac7ef0e925ba8dcbbb89f2c96ae.tar.bz2 px4-nuttx-fefa8ee3353d5ac7ef0e925ba8dcbbb89f2c96ae.zip | |
Add option to use BASEPRI instead of PRIMASK to disable interrupts in all ARMv7-M architectures
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5546 42af7a65-404d-4744-a932-0658087f49c3
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 */ |