sw/device/lib/testing/test_framework/test_util.c

/*
 * Copyright 2023 Google LLC
 *
 * 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.
 */

// A common test util library test.

#include "sw/device/lib/testing/test_framework/test_util.h"

#include "sw/device/lib/runtime/print.h"
#include "sw/device/lib/testing/test_framework/check.h"

void init_uart(uintptr_t address, dif_uart_t *uart) {
  CHECK_DIF_OK(dif_uart_init(mmio_region_from_addr(address), uart));
  CHECK_DIF_OK(
      dif_uart_configure(uart, (dif_uart_config_t){
                                   .baudrate = kUartBaudrate,
                                   .clk_freq_hz = kClockFreqPeripheralHz,
                                   .parity_enable = kDifToggleDisabled,
                                   .parity = kDifUartParityEven,
                                   .tx_enable = kDifToggleEnabled,
                                   .rx_enable = kDifToggleDisabled,
                               }));
  base_uart_stdout(uart);
}