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Diffstat (limited to 'reader_yhy.c')
-rw-r--r--reader_yhy.c74
1 files changed, 69 insertions, 5 deletions
diff --git a/reader_yhy.c b/reader_yhy.c
index 51ac796..58bd345 100644
--- a/reader_yhy.c
+++ b/reader_yhy.c
@@ -1,22 +1,86 @@
#include <stdio.h>
+#include <unistd.h>
+#include <sys/timerfd.h>
#include "nfcommander.h"
#include "config.h"
-static void __attribute__((constructor)) init() {
- printf("This is the yhy reader plugin\n");
+#include "libyhy.h"
+static int reader_fd = -1;
+static int timer_fd = -1;
+
+int init(){
+ char reader_version[100];
size_t poll_timeout = 1000;
+ struct itimerspec timer_cfg = {
+ 0
+ };
+
if(config_get("nfc", "interval")){
poll_timeout = strtoul(config_get("nfc", "interval"), NULL, 10);
}
+ timer_cfg.it_value.tv_sec = timer_cfg.it_interval.tv_sec = poll_timeout / 1000;
+ timer_cfg.it_value.tv_nsec = timer_cfg.it_interval.tv_nsec = (poll_timeout % 1000) * 1e6;
+
char* port = config_get("nfc", "device");
+ if(!port){
+ printf("Please configure nfc.device to the reader serial port\n");
+ return 1;
+ }
+
+ //TODO set cloexec, nonblock
+ printf("Opening %s with polltime %lu\n", port, poll_timeout);
+ reader_fd = yhy_open(port);
+ if(reader_fd < 0){
+ printf("Failed to open reader connection at %s\n", port);
+ return 1;
+ }
+
+ if(yhy_sync_read_version(reader_fd, reader_version, sizeof(reader_version)) > 0){
+ printf("Connected YHY reader reports firmware: %s\n", reader_version);
+ }
+
+ //create timerfd
+ timer_fd = timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC);
+ if(timer_fd < 0){
+ printf("Failed to create timer fd\n");
+ return 1;
+ }
+
+ if(timerfd_settime(timer_fd, 0, &timer_cfg, NULL)){
+ printf("Failed to set timer\n");
+ return 1;
+ }
- printf("Opening %s with polltime %d\n", port, poll_timeout);
+ core_manage_fd(reader_fd, 1, system_reader);
+ core_manage_fd(timer_fd, 1, system_reader);
+
+ return 0;
+}
+
+int handle(int fd){
+ uint8_t buffer[1024];
+
+ if(fd == timer_fd){
+ //acknowledge the timer
+ read(fd, buffer, sizeof(buffer));
+
+ //see if there is a tag
+ //TODO
+ return 0;
+ }
+ printf("Unknown FD in reader_yhy handler\n");
+ return 1;
}
-static void __attribute__((destructor)) cleanup() {
- printf("This is the yhy reader plugin cleanup\n");
+static void __attribute__((destructor)) cleanup(){
+ core_manage_fd(reader_fd, 0, system_reader);
+ close(reader_fd);
+ reader_fd = -1;
+ core_manage_fd(timer_fd, 0, system_reader);
+ close(timer_fd);
+ timer_fd = -1;
}