38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef _ESP32_HAL_SD_H_
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#define _ESP32_HAL_SD_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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//channel 0-7 freq 1220-312500 duty 0-255
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uint32_t sdSetup(uint8_t channel, uint32_t freq);
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void sdWrite(uint8_t channel, uint8_t duty);
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uint8_t sdRead(uint8_t channel);
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void sdAttachPin(uint8_t pin, uint8_t channel);
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void sdDetachPin(uint8_t pin);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ESP32_HAL_SD_H_ */
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