#ifndef _MOTORS_H_
#define _MOTORS_H_
+#include "vend.h"
+
+/* error codes for dispense_motor */
+#define MOTOR_SUCCESS 0
+#define MOTOR_NOSLOT 1
+#define MOTOR_HOME_FAIL 2
+#define MOTOR_CURRENT_FAIL 3
+#define MOTOR_VOLTAGE_FAIL 4
+
+extern const u8 motor_lookup[80];
+
bool is_motor(u8 slot);
u8 dispense_motor(u8 slot);
-bool scan_motors();
#endif /* _MOTORS_H_ */