#include <stdio.h>
#include <unistd.h>
-#include <fcntl.h>
-#include <sys/epoll.h>
-#include <sys/types.h>
-#include <sys/stat.h>
+#include <string.h>
-#include "options.h"
+#include "config.h"
#include "baud.h"
-#include "debug.h"
+#include "trace.h"
+#include "data.h"
+#include "event.h"
+#include "plotter_status.h"
-int read_data(int infd, int outfd)
-{
- struct epoll_event ev;
- int epoll_fd;
- int ret;
- char buf[256];
-
- epoll_fd = epoll_create(1);
- if (epoll_fd < 0) {
- pr_err("Failed to create epoll socket: %m\n");
- return -1;
- }
-
- ev.events = EPOLLIN;
- ev.data.fd = infd;
- if (epoll_ctl(epoll_fd, EPOLL_CTL_ADD, infd, &ev) == -1) {
- pr_err("epoll_ctl: %m\n");
- return 1;
- }
-
- while (1) {
- ret = epoll_wait(epoll_fd, &ev, 1, -1);
- if (ret == 0)
- continue;
-
- if (ret < 0) {
- pr_err("epoll: %m\n");
- return -1;
- }
-
- ret = read(infd, buf, sizeof(buf));
- if (read < 0) {
- pr_err("read: %m\n");
- break;
- }
-
- if (ret == 0) {
- pr_err("Read EOF, stopping\n");
- break;
- }
-
- ret = write(outfd, buf, ret);
- if (read < 0) {
- pr_err("write: %m\n");
- break;
- }
- }
-
- return 0;
-}
+struct log_plotter_status plotter_state;
int main(int argc, char *argv[])
{
- struct plotter_options options;
- int fd, baud, ret = 0, out_fd = STDOUT_FILENO;
+ struct plotter_config cfg;
+ int fd, baud, ret = 0;
- if (read_args(argc, argv, &options))
+ bzero(&cfg, sizeof(cfg));
+
+ if (read_args(argc, argv, &cfg))
return 1;
- baud = options.baud_rate;
- fd = open_at_baud(options.device_path, &baud);
+ if (cfg.config_file_path)
+ populate_config_data_from_file(cfg.config_file_path, &cfg);
+
+ baud = cfg.baudrate;
+ fd = open_at_baud(cfg.device_path, &baud);
if (fd < 0)
return 1;
- if (baud != options.baud_rate) {
+ if (baud != cfg.baudrate) {
pr_err("Failed to set baudrate to %d, only got %d\n",
- options.baud_rate, baud);
+ cfg.baudrate, baud);
ret = 1;
goto out;
}
- if (options.output_path) {
- pr_debug("Opening %s for writing the log file\n",
- options.output_path);
+ init_data_parser(fd, &cfg);
+
+ while (plotter_state.system_status != SYSTEM_STATUS_NO_USB) {
+ poll_events(10000);
- out_fd = open(options.output_path,
- O_CREAT | O_APPEND | O_WRONLY, 0664);
- if (out_fd < 0) {
- pr_err("Failed to open file %s for writing: %m\n",
- options.output_path);
- ret = 1;
- goto out;
+ if (plotter_state.old_system_status !=
+ plotter_state.system_status) {
+ pr_debug("Status changing from %s to %s\n",
+ state_to_str(plotter_state.old_system_status),
+ state_to_str(plotter_state.system_status));
+
+ plotter_state.old_system_status =
+ plotter_state.system_status;
}
}
- read_data(fd, out_fd);
-
out:
close(fd);
return ret;