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							32 lines
						
					
					
						
							735 B
						
					
					
				
			
		
		
	
	
							32 lines
						
					
					
						
							735 B
						
					
					
				import os
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from cffi import FFI
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from common.ffi_wrapper import suffix
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mpc_dir = os.path.dirname(os.path.abspath(__file__))
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libmpc_fn = os.path.join(mpc_dir, "libmpc"+suffix())
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ffi = FFI()
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ffi.cdef("""
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typedef struct {
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    double x, y, psi, curvature, curvature_rate;
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} state_t;
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int N = 16;
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typedef struct {
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    double x[N+1];
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    double y[N+1];
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    double psi[N+1];
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    double curvature[N+1];
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    double curvature_rate[N];
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    double cost;
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} log_t;
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void init();
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void set_weights(double pathCost, double headingCost, double steerRateCost);
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int run_mpc(state_t * x0, log_t * solution,
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             double v_ego, double rotation_radius,
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             double target_y[N+1], double target_psi[N+1]);
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""")
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libmpc = ffi.dlopen(libmpc_fn)
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