1  // Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
 2  //
 3  // Licensed under the Apache License, Version 2.0 (the "License");
 4  // you may not use this file except in compliance with the License.
 5  // You may obtain a copy of the License at
 6  //
 7  //     http://www.apache.org/licenses/LICENSE-2.0
 8  //
 9  // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  // The HAL layer for SIGMADELTA (common part)
16  
17  #include <stdio.h>
18  #include "soc/soc.h"
19  #include "hal/sigmadelta_hal.h"
20  
21  void sigmadelta_hal_init(sigmadelta_hal_context_t *hal, int sigmadelta_num)
22  {
23      //Get hardware instance.
24      hal->dev = SIGMADELTA_LL_GET_HW(sigmadelta_num);
25      sigmadelta_ll_set_en(hal->dev, 1);
26  }