diff options
| author | Suren A. Chilingaryan <csa@suren.me> | 2015-02-10 15:26:35 +0100 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@suren.me> | 2015-02-10 15:26:35 +0100 |
| commit | c2331dd0cafe7c483525af7ef87e03386aeee14a (patch) | |
| tree | e1efa428bcd47409b89154edbcc95a48fff8c84a /dma | |
| parent | 0002c0cc260a6a8e2b6c53f19ae99a625eca4355 (diff) | |
| download | pcitool-c2331dd0cafe7c483525af7ef87e03386aeee14a.tar.gz pcitool-c2331dd0cafe7c483525af7ef87e03386aeee14a.tar.bz2 pcitool-c2331dd0cafe7c483525af7ef87e03386aeee14a.tar.xz pcitool-c2331dd0cafe7c483525af7ef87e03386aeee14a.zip | |
Better handle empty_detected flag
Diffstat (limited to 'dma')
| -rw-r--r-- | dma/ipe.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -405,6 +405,9 @@ int dma_ipe_stream_read(pcilib_dma_context_t *vctx, pcilib_dma_engine_t dma, uin memcpy(&cur, &start, sizeof(struct timeval)); while (((*last_written_addr_ptr == 0)||(ctx->last_read_addr == (*last_written_addr_ptr)))&&((wait == PCILIB_TIMEOUT_INFINITE)||(((cur.tv_sec - start.tv_sec)*1000000 + (cur.tv_usec - start.tv_usec)) < wait))) { usleep(10); +#ifdef IPEDMA_SUPPORT_EMPTY_DETECTED + if (*empty_detected_ptr) break; +#endif /* IPEDMA_SUPPORT_EMPTY_DETECTED */ gettimeofday(&cur, NULL); } @@ -412,7 +415,7 @@ int dma_ipe_stream_read(pcilib_dma_context_t *vctx, pcilib_dma_engine_t dma, uin if ((ctx->last_read_addr == (*last_written_addr_ptr))||(*last_written_addr_ptr == 0)) { #ifdef IPEDMA_SUPPORT_EMPTY_DETECTED //# ifdef IPEDMA_DEBUG - if ((wait)&&(*last_written_addr_ptr)) + if ((wait)&&(*last_written_addr_ptr)&&(!*empty_detected_ptr)) pcilib_warning("The empty_detected flag is not set, but no data arrived within %lu us\n", wait); //# endif /* IPEDMA_DEBUG */ #endif /* IPEDMA_SUPPORT_EMPTY_DETECTED */ |