diff options
| -rw-r--r-- | applications/message_process/src/message_process.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/applications/message_process/src/message_process.cpp b/applications/message_process/src/message_process.cpp index 9795c25..84a3742 100644 --- a/applications/message_process/src/message_process.cpp +++ b/applications/message_process/src/message_process.cpp @@ -35,10 +35,14 @@ QueueImpl::QueueImpl(ethosu_core_queue &_queue) : queue(_queue) { } bool QueueImpl::empty() const { + invalidateHeaderData(); + return queue.header.read == queue.header.write; } size_t QueueImpl::available() const { + invalidateHeaderData(); + size_t avail = queue.header.write - queue.header.read; if (queue.header.read > queue.header.write) { @@ -54,14 +58,14 @@ size_t QueueImpl::capacity() const { bool QueueImpl::read(uint8_t *dst, uint32_t length) { const uint8_t *end = dst + length; - uint32_t rpos = queue.header.read; - - invalidateHeaderData(); + // Available will invalidate the cache if (length > available()) { return false; } + uint32_t rpos = queue.header.read; + while (dst < end) { *dst++ = queue.data[rpos]; rpos = (rpos + 1) % queue.header.size; |