1  // Copyright 2010-2017 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  #include <stdint.h>
16  #include <string.h>
17  #include "soc/dport_access.h"
18  
19  // Read a sequence of DPORT registers to the buffer.
20  void esp_dport_access_read_buffer(uint32_t *buff_out, uint32_t address, uint32_t num_words)
21  {
22      for (uint32_t i = 0;  i < num_words; ++i) {
23          buff_out[i] = DPORT_SEQUENCE_REG_READ(address + i * 4);
24      }
25  }