update

usrc/subboards/subboard100_idcard_reader/eeprom_service.cpp

@@ -8,9 +8,9 @@
 using namespace std;
 using namespace iflytop;
 
-#define SECTOR_SIZE (64)
-#define SECTOR_NUM  (4 * 8)  
-#define MAX_SIZE    (SECTOR_SIZE * SECTOR_NUM)// 2k
+#define SECTOR_SIZE (128)
+#define SECTOR_NUM  (2 * 8)
+#define MAX_SIZE    (SECTOR_SIZE * SECTOR_NUM)  // 2k
 
 #define TAG "EEPROMService"
 
@@ -139,6 +139,7 @@ void EEPROMService::detect_online() {
      *
      */
 
+    memset(m_idcardcache, 0, MAX_SIZE);
     for (uint16_t i = 0; i < SECTOR_NUM; i++) {
       int32_t len = SECTOR_SIZE;
       int32_t suc = m_nowonline->read(i * SECTOR_SIZE, m_idcardcache + i * SECTOR_SIZE, &len);
@@ -164,10 +165,17 @@ int32_t EEPROMService::a8000_idcard_reader_read_raw(int32_t index, uint8_t* data
   zlock_guard guard(m_mutex);
   if (!m_nowonline) return err::kdevice_offline;
   if (*len < SECTOR_SIZE) return err::kbuffer_not_enough;
+  ZLOGI(TAG, "read: %d", index);
 
   uint16_t add = index * SECTOR_SIZE;
   *len         = SECTOR_SIZE;
 
+  if (add >= MAX_SIZE) {
+    *len = 0;
+    return 0;
+  }
+
+
   memcpy(data, m_idcardcache + add, *len);
   return 0;
 }