diff --git a/client/experimental_lib/example_c/01make_test.sh b/client/experimental_lib/example_c/01make_test.sh index 1ce6357ff..7bda5aa37 100755 --- a/client/experimental_lib/example_c/01make_test.sh +++ b/client/experimental_lib/example_c/01make_test.sh @@ -1,3 +1,4 @@ #!/bin/bash gcc -o test test.c -I../../include -lpm3rrg_rdv4 -L../build -lpthread +gcc -o test_grab test_grab.c -I../../include -lpm3rrg_rdv4 -L../build -lpthread diff --git a/client/experimental_lib/example_c/02run_test_grab.sh b/client/experimental_lib/example_c/02run_test_grab.sh new file mode 100755 index 000000000..2dd6f892b --- /dev/null +++ b/client/experimental_lib/example_c/02run_test_grab.sh @@ -0,0 +1,3 @@ +#!/bin/bash + +LD_LIBRARY_PATH=../build ./test_grab diff --git a/client/experimental_lib/example_c/test_grab.c b/client/experimental_lib/example_c/test_grab.c new file mode 100644 index 000000000..6b093b3ce --- /dev/null +++ b/client/experimental_lib/example_c/test_grab.c @@ -0,0 +1,67 @@ +#include "pm3.h" +#include +#include +#include +#include + +int main(int argc, char *argv[]) { + + int pipefd[2]; + char buf[8196 + 1]; + size_t n; + + if (pipe(pipefd) == -1) { + exit(-1); + } + + int pid = fork(); + if (pid == -1) { + perror("fork"); + exit(-1); + } + + // child + if (pid == 0) { + printf("[INFO] inside child\n"); + + // Redirect stdout to the write end of the pipe + dup2(pipefd[1], STDOUT_FILENO); + + close(pipefd[0]); // Child: close read end of the pipe + close(pipefd[1]); // Close original write end + + pm3 *p; + p = pm3_open("/dev/ttyS9"); + //printf("Device: %s\n", pm3_name_get(p)); + + // Execute the command + pm3_console(p, "hw status"); + pm3_close(p); + _exit(-1); + } else { + + printf("[INFO] inside parent\n"); + // Parent: close write end of the pipe + close(pipefd[1]); + + // Read from the pipe + while (1) { + n = read(pipefd[0], buf, sizeof(buf)); + if (n == -1) { + continue; + } + if (n == 0) { + break; + } else { + // null termination + buf[n] = 0; + if (strstr(buf, "Unique ID") != NULL) { + printf("%s", buf); + } + } + } + + // Close read end + close(pipefd[0]); + } +}