esp32-hal-sigmadelta.h

// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// 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.

#ifndef_ESP32_HAL_SD_H_
#define_ESP32_HAL_SD_H_

#ifdef__cplusplus
extern"C" {
#endif

#include<stdint.h>
#include<stdbool.h>

//channel 0-7 freq 1220-312500 duty 0-255
uint32_tsigmaDeltaSetup(uint8_tchannel, uint32_tfreq);
voidsigmaDeltaWrite(uint8_tchannel, uint8_tduty);
uint8_tsigmaDeltaRead(uint8_tchannel);
voidsigmaDeltaAttachPin(uint8_tpin, uint8_tchannel);
voidsigmaDeltaDetachPin(uint8_tpin);


#ifdef__cplusplus
}
#endif

#endif/* _ESP32_HAL_SD_H_ */