text: /* mbed Microcontroller Library
   * Copyright (c) 2019, Arm Limited and affiliates.
   * SPDX-License-Identifier: Apache-2.0
   *
   * 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.
   */
  
  #include "analogout_api.h"
  #include "mbed_error.h"
  #include "cyhal_dac.h"
  #include "limits.h"
  
  #if DEVICE_ANALOGOUT
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  void analogout_init(dac_t *obj, PinName pin)
  {
      if (CY_RSLT_SUCCESS != cyhal_dac_init(&(obj->hal_dac), pin)) {
          MBED_ERROR(MBED_MAKE_ERROR(MBED_MODULE_DRIVER_ANALOG, MBED_ERROR_CODE_FAILED_OPERATION), "cyhal_dac_init");
      }
  }
  
  void analogout_free(dac_t *obj)
  {
      cyhal_dac_free(&(obj->hal_dac));
  }
  
  void analogout_write(dac_t *obj, float value)
  {
      MBED_ASSERT(value >= 0.0 && value <= 1.0f);
      analogout_write_u16(obj, (uint16_t)(value * UINT16_MAX));
  }
  
  void analogout_write_u16(dac_t *obj, uint16_t value)
  {
      cyhal_dac_write(&(obj->hal_dac), value);
  }
  
  float analogout_read(dac_t *obj)
  {
      return analogout_read_u16(obj) / UINT16_MAX;
  }
  
  uint16_t analogout_read_u16(dac_t *obj)
  {
      return cyhal_dac_read(&(obj->hal_dac));
  }
  
  const PinMap *analogout_pinmap(void)
  {
      return PinMap_DAC;
  }
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  