diff options
author | Karl Palsson <karlp@tweak.net.au> | 2022-01-30 17:31:05 +0100 |
---|---|---|
committer | Vegard Storheil Eriksen <zyp@jvnv.net> | 2022-04-16 21:37:28 +0200 |
commit | 1d1072825c0c2cfaecae74f93a9ede50bbfefa31 (patch) | |
tree | 28a1067332dc1ed70391abd3cd9c65fefc273532 /wpan | |
parent | 5e3480f8ffe976aefb7bd1fe7ca2434ee0146a82 (diff) |
WIP: stm32_hsem: lock get/release helpers
Diffstat (limited to 'wpan')
-rw-r--r-- | wpan/stm32_hsem.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/wpan/stm32_hsem.h b/wpan/stm32_hsem.h index f8d9dd3..7cac70c 100644 --- a/wpan/stm32_hsem.h +++ b/wpan/stm32_hsem.h @@ -23,4 +23,12 @@ template <typename T> class STM32_HSEM_t : public mmio_ptr<T> { public: using mmio_ptr<T>::ptr; + + bool get_lock_1step(uint32_t sem) const { + return ptr()->RLR[sem] == (uint32_t)((1<<31) | (4<<8)); // cpu1 coreid + } + + void release(uint32_t sem, uint32_t process) const { + ptr()->R[sem] = (4<<8) | process; // cpu1 coreid + } };
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