50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
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// 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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#include "esp32-hal.h"
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#include "soc/soc_caps.h"
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#ifndef SOC_DAC_SUPPORTED
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#define NODAC
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#else
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#include "soc/dac_channel.h"
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#include "driver/dac_common.h"
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void ARDUINO_ISR_ATTR __dacWrite(uint8_t pin, uint8_t value)
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{
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if(pin < DAC_CHANNEL_1_GPIO_NUM || pin > DAC_CHANNEL_2_GPIO_NUM){
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return;//not dac pin
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}
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uint8_t channel = pin - DAC_CHANNEL_1_GPIO_NUM;
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dac_output_enable(channel);
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dac_output_voltage(channel, value);
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}
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void ARDUINO_ISR_ATTR __dacDisable(uint8_t pin)
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{
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if(pin < DAC_CHANNEL_1_GPIO_NUM || pin > DAC_CHANNEL_2_GPIO_NUM){
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return;//not dac pin
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}
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uint8_t channel = pin - DAC_CHANNEL_1_GPIO_NUM;
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dac_output_disable(channel);
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}
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extern void dacWrite(uint8_t pin, uint8_t value) __attribute__ ((weak, alias("__dacWrite")));
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extern void dacDisable(uint8_t pin) __attribute__ ((weak, alias("__dacDisable")));
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#endif
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