Klagarge/MSE-CSEL
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feat(lab03): add syslog for frequency change

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This commit is contained in:
Rémi Heredero
2026-05-08 08:25:15 +00:00
parent b74b2e5d19
commit e717434f29
1 changed files with 20 additions and 10 deletions
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30
src/03-led-controller/main.c
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@@ -8,6 +8,7 @@
#include <sys/epoll.h> #include <sys/epoll.h>
#include <sys/inotify.h> #include <sys/inotify.h>
#include <pthread.h> #include <pthread.h>
#include <syslog.h>
#include "timer.h" #include "timer.h"
#include "led.h" #include "led.h"
@@ -103,13 +104,21 @@ void* btn_thread(void* arg) {
if (events[i].data.fd == btn[0]) { if (events[i].data.fd == btn[0]) {
if (buf[0] == '1') { if (buf[0] == '1') {
data->flash_period_ms += 200; data->flash_period_ms += 200;
printf("Decrease led frequency to %ld ms\n", data->flash_period_ms); char* log_msg = malloc(100);
snprintf(log_msg, 100, "Increase flash period to %ld ms", data->flash_period_ms);
syslog(LOG_INFO, "%s", log_msg);
printf("%s\n", log_msg);
free(log_msg);
} }
} else if (events[i].data.fd == btn[1]) { } else if (events[i].data.fd == btn[1]) {
if (buf[0] == '1') { if (buf[0] == '1') {
data->flash_period_ms = DEFAULT_TIME_MS; data->flash_period_ms = DEFAULT_TIME_MS;
printf("Reset led frequency: %ld ms\n", data->flash_period_ms); char* log_msg = malloc(100);
snprintf(log_msg, 100, "Reset flash period to %ld ms", data->flash_period_ms);
syslog(LOG_INFO, "%s", log_msg);
printf("%s\n", log_msg);
free(log_msg);
} }
} else if (events[i].data.fd == btn[2]) { } else if (events[i].data.fd == btn[2]) {
@@ -118,7 +127,11 @@ void* btn_thread(void* arg) {
if (data->flash_period_ms <= 0) { if (data->flash_period_ms <= 0) {
data->flash_period_ms = 200; // Minimum period of 200ms data->flash_period_ms = 200; // Minimum period of 200ms
} }
printf("Increase led frequency to %ld ms\n", data->flash_period_ms); char* log_msg = malloc(100);
snprintf(log_msg, 100, "Decrease flash period to %ld ms", data->flash_period_ms);
syslog(LOG_INFO, "%s", log_msg);
printf("%s\n", log_msg);
free(log_msg);
} }
} }
} }
@@ -175,10 +188,11 @@ static void* timer_thread(void* arg) {
return NULL; return NULL;
} }
int main(int argc, char* argv[]) int main(int argc, char* argv[]) {
{
ThreadData data; ThreadData data;
pthread_t thread; pthread_t thread;
openlog("CSEL Logs", LOG_PID, LOG_USER);
syslog(LOG_INFO, "Start logging silly led-controller");
data.flash_period_ms = DEFAULT_TIME_MS; data.flash_period_ms = DEFAULT_TIME_MS;
@@ -206,14 +220,10 @@ int main(int argc, char* argv[])
pthread_t btn_thread_inst; pthread_t btn_thread_inst;
pthread_create(&btn_thread_inst, NULL, btn_thread, &data); pthread_create(&btn_thread_inst, NULL, btn_thread, &data);
// pthread_join(btn_thread_inst, NULL);
// pthread_join(thread, NULL);
while (1) { while (1) {
sleep(1); sleep(1);
} }
closelog();
return 0; return 0;
} }