diff options
Diffstat (limited to 'apps')
-rw-r--r-- | apps/CMakeLists.txt | 4 | ||||
-rw-r--r-- | apps/test_multithread.c | 94 |
2 files changed, 98 insertions, 0 deletions
diff --git a/apps/CMakeLists.txt b/apps/CMakeLists.txt index 4524db4..2a1471c 100644 --- a/apps/CMakeLists.txt +++ b/apps/CMakeLists.txt @@ -7,6 +7,10 @@ link_directories( ${CMAKE_BINARY_DIR}/pcilib ) +find_package (Threads) +add_executable(test_multithread test_multithread.c) +target_link_libraries (test_multithread pcilib ${CMAKE_THREAD_LIBS_INIT}) + add_executable(xilinx xilinx.c) target_link_libraries(xilinx pcilib rt) diff --git a/apps/test_multithread.c b/apps/test_multithread.c new file mode 100644 index 0000000..cad4cd9 --- /dev/null +++ b/apps/test_multithread.c @@ -0,0 +1,94 @@ +#include <stdio.h> +#include <pthread.h> +#include "pcilib.h" +#include <stdlib.h> + +const char* prop = "/registers/fpga/reg1"; +char* reg; +int stop = 0; + +void *get_prop(void *arg) +{ + pcilib_t *ctx = (pcilib_t*)arg; + + while(!stop) + { + int err; + pcilib_value_t val = {0}; + err = pcilib_get_property(ctx, prop, &val); + if(err) + { + printf("err pcilib_read_register\n"); + return NULL; + } + long value = pcilib_get_value_as_int(ctx, &val, &err); + pcilib_clean_value(ctx, &val); + if(err) + { + printf("err pcilib_get_value_as_int\n"); + return NULL; + } + printf("reg = %i\n", value); + } + return NULL; +} + +void *read_reg(void *arg) +{ + pcilib_t *ctx = (pcilib_t*)arg; + + while(!stop) + { + int err; + pcilib_register_value_t reg_val = {0}; + pcilib_value_t val = {0}; + + err = pcilib_read_register(ctx, NULL, reg, ®_val); + + if(err) + { + printf("err pcilib_read_register\n"); + return NULL; + } + err = pcilib_set_value_from_register_value(ctx, &val, reg_val); + if(err) + { + printf("err pcilib_set_value_from_register_value\n"); + return NULL; + } + long value = pcilib_get_value_as_int(ctx, &val, &err); + pcilib_clean_value(ctx, &val); + if(err) + { + printf("err pcilib_get_value_as_int\n"); + return NULL; + } + printf("reg = %i\n", value); + } + return NULL; +} + +int main(int argc, char *argv[]) +{ + if (argc < 5) { + printf("Usage:\n\t\t%s <device> <model> <register> <num_threads>\n", argv[0]); + exit(0); + } + + reg = argv[3]; + int threads = atoi( argv[4] ); + + pcilib_t *ctx = pcilib_open(argv[1], argv[2]); + int err; + pcilib_value_t val = {0}; + + for(int i = 0; i < threads; i++) + { + pthread_t pth; + pthread_create(&pth, NULL, read_reg, ctx); + } + + getchar(); + stop = 1; + return 0; +} |