-static unsigned char resp40[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-static unsigned char resp41[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-static unsigned char resp43[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-static unsigned char resp44[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-static unsigned char resp49[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-static unsigned char resp4A[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-static unsigned char resp4B[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-static unsigned char resp4E[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-static unsigned char resp4F[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+static const u8 resp40[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+static const u8 resp41[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+static const u8 resp43[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+static const u8 resp44[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+static const u8 resp49[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+static const u8 resp4A[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+static const u8 resp4B[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+static const u8 resp4E[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+static const u8 resp4F[8] = {0xF3, 0x5A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};