verilog/dv/io_ports/io_ports.c

/*
 * SPDX-FileCopyrightText: 2020 Efabless Corporation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * SPDX-License-Identifier: Apache-2.0
 */

// This include is relative to $CARAVEL_PATH (see Makefile)
#include "verilog/dv/caravel/defs.h"
#include "verilog/dv/caravel/stub.c"

/*
	IO Test:
		- Configures MPRJ lower 8-IO pins as outputs
		- Observes counter value through the MPRJ lower 8 IO pins (in the testbench)
*/

void main()
{
	int i;

	/* Set data out to zero */
	reg_mprj_datal = 0x000a;

	/* Lower 8 pins are input and upper 8 pins are output */
	
	reg_mprj_io_16 = GPIO_MODE_USER_STD_ANALOG;
	
	
	
	

	/* Apply configuration */
	reg_mprj_xfer = 1;
	while (reg_mprj_xfer == 1);


}