+#define NIKON_START_BIT_PULSE_TIME 2200.0e-6 // 2200 usec pulse\r
+#define NIKON_START_BIT_PAUSE_TIME 27100.0e-6 // 27100 usec pause\r
+#define NIKON_PULSE_TIME 500.0e-6 // 520 usec pulse\r
+#define NIKON_1_PAUSE_TIME 3500.0e-6 // 3500 usec pause\r
+#define NIKON_0_PAUSE_TIME 1500.0e-6 // 1500 usec pause\r
+#define NIKON_FRAME_REPEAT_PAUSE_TIME 60.0e-3 // frame repeat after 60ms\r
+#define NIKON_ADDRESS_OFFSET 0 // skip 0 bits\r
+#define NIKON_ADDRESS_LEN 0 // read 0 address bits\r
+#define NIKON_COMMAND_OFFSET 0 // skip 0 bits\r
+#define NIKON_COMMAND_LEN 2 // read 2 bits\r
+#define NIKON_COMPLETE_DATA_LEN 2 // complete length\r
+#define NIKON_STOP_BIT 1 // has stop bit\r
+#define NIKON_LSB 0 // LSB...MSB\r
+#define NIKON_FLAGS 0 // flags\r
+\r