diff options
Diffstat (limited to 'apps')
-rw-r--r-- | apps/CMakeLists.txt | 13 | ||||
-rw-r--r-- | apps/grab.c | 63 |
2 files changed, 76 insertions, 0 deletions
diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt new file mode 100644 index 0000000..761bb2b --- /dev/null +++ b/apps/CMakeLists.txt @@ -0,0 +1,13 @@ +include_directories( + ${CMAKE_SOURCE_DIR} + ${PCILIB_INCLUDE_DIRS} +) + +link_directories( + ${CMAKE_BINARY_DIR} + ${PCILIB_LIBRARY_DIRS} +) + + +add_executable(grab grab.c) +target_link_libraries(grab ${PCILIB_LIBRARIES} ipecamera) diff --git a/apps/grab.c b/apps/grab.c new file mode 100644 index 0000000..b891e2f --- /dev/null +++ b/apps/grab.c @@ -0,0 +1,63 @@ +#include <stdio.h> +#include <stdlib.h> + +#include <pcilib.h> +#include <pcilib/error.h> + +#include <ipecamera.h> + +void log_error(void *arg, const char *file, int line, pcilib_log_priority_t prio, const char *format, va_list ap) { + vprintf(format, ap); + printf("\n"); + + if (prio == PCILIB_LOG_ERROR) { + printf("Exiting at [%s:%u]\n\n", file, line); + exit(-1); + } +} + + +int main() { + int err; + pcilib_event_id_t evid; + ipecamera_event_info_t info; + ipecamera_t *ipecamera; + size_t size; + void *data; + FILE *f; + + pcilib_set_logger(PCILIB_LOG_WARNING, &log_error, NULL); + + pcilib_t *pcilib = pcilib_open("/dev/fpga0", "ipecamera"); + if (!pcilib) pcilib_error("Error opening device"); + + ipecamera = (ipecamera_t*)pcilib_get_event_engine(pcilib); + if (!ipecamera) pcilib_error("Failed to get ipecamera event engine"); + + err = ipecamera_set_buffer_size(ipecamera, 8); + if (err) pcilib_error("Error (%i) setting buffer size", err); + + err = pcilib_start(pcilib, PCILIB_EVENTS_ALL, PCILIB_EVENT_FLAGS_DEFAULT); + if (err) pcilib_error("Error (%i) starting event engine", err); + + err = pcilib_trigger(pcilib, PCILIB_EVENT0, 0, NULL); + if (err) pcilib_error("Error (%i) triggering event", err); + + err = pcilib_get_next_event(pcilib, 100000, &evid, sizeof(info), (pcilib_event_info_t*)&info); + if (err) pcilib_error("Error (%i) while waiting for event", err); + + data = pcilib_get_data(pcilib, evid, PCILIB_EVENT_DATA, &size); + if (!data) pcilib_error("Error getting event data"); + + printf("Writting %zu bytes to /dev/null\n", size); + f = fopen("/dev/null", "w"); + if (f) { + fwrite(data, 1, size, f); + fclose(f); + } + + err = pcilib_return_data(pcilib, evid, PCILIB_EVENT_DATA, data); + if (err) pcilib_error("Error returning data, data is possibly corrupted"); + + pcilib_stop(pcilib, PCILIB_EVENT_FLAGS_DEFAULT); +} |