feat: Add rfid feature and .gitignore file

apps/common/device/key/uart_key.c

@@ -0,0 +1,51 @@
+#include "key_driver.h"
+#include "system/event.h"
+#include "asm/uart.h"
+#include "app_config.h"
+
+extern int getbyte(char *c);
+
+#if TCFG_UART_KEY_ENABLE
+
+static int uart_key_init(void)
+{
+    return 0;
+}
+
+static u8 uart_get_key_value(void)
+{
+    char c;
+    u8 key_value;
+
+    if (getbyte(&c) == 0) {
+        return NO_KEY;
+    }
+
+    switch (c) {
+    case 'm':
+        key_value = KEY_MODE;
+        break;
+    case 'u':
+        key_value = KEY_UP;
+        break;
+    case 'd':
+        key_value = KEY_DOWN;
+        break;
+    case 'o':
+        key_value = KEY_OK;
+        break;
+    case 'e':
+        key_value = KEY_MENU;
+        break;
+    default:
+        key_value = NO_KEY;
+        break;
+    }
+
+    return key_value;
+}
+
+
+
+#endif /* #if TCFG_UART_KEY_ENABLE */
+