esp-idf/components/hal/rtc_io_hal.c

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C
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2019-07-25 15:11:31 +00:00
// Copyright 2015-2019 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.
// The HAL layer for RTC IO (common part)
#include "hal/rtc_io_hal.h"
#include "soc/soc_caps.h"
2019-07-25 15:11:31 +00:00
#if SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
2019-07-25 15:11:31 +00:00
void rtcio_hal_set_direction(int rtcio_num, rtc_gpio_mode_t mode)
{
switch (mode) {
case RTC_GPIO_MODE_INPUT_ONLY:
rtcio_ll_output_mode_set(rtcio_num, RTCIO_OUTPUT_NORMAL);
rtcio_ll_output_disable(rtcio_num);
rtcio_ll_input_enable(rtcio_num);
break;
case RTC_GPIO_MODE_OUTPUT_ONLY:
rtcio_ll_output_mode_set(rtcio_num, RTCIO_OUTPUT_NORMAL);
rtcio_ll_output_enable(rtcio_num);
rtcio_ll_input_disable(rtcio_num);
break;
case RTC_GPIO_MODE_INPUT_OUTPUT:
rtcio_ll_output_mode_set(rtcio_num, RTCIO_OUTPUT_NORMAL);
rtcio_ll_output_enable(rtcio_num);
rtcio_ll_input_enable(rtcio_num);
break;
case RTC_GPIO_MODE_DISABLED:
rtcio_ll_output_mode_set(rtcio_num, RTCIO_OUTPUT_NORMAL);
rtcio_ll_output_disable(rtcio_num);
rtcio_ll_input_disable(rtcio_num);
break;
case RTC_GPIO_MODE_OUTPUT_OD:
rtcio_ll_output_mode_set(rtcio_num, RTCIO_OUTPUT_OD);
rtcio_ll_output_enable(rtcio_num);
rtcio_ll_input_disable(rtcio_num);
break;
case RTC_GPIO_MODE_INPUT_OUTPUT_OD:
rtcio_ll_output_mode_set(rtcio_num, RTCIO_OUTPUT_OD);
rtcio_ll_output_enable(rtcio_num);
rtcio_ll_input_enable(rtcio_num);
break;
default:
break;
}
}
void rtcio_hal_isolate(int rtcio_num)
{
rtcio_ll_pullup_disable(rtcio_num);
rtcio_ll_pulldown_disable(rtcio_num);
rtcio_ll_output_disable(rtcio_num);
rtcio_ll_input_disable(rtcio_num);
rtcio_ll_force_hold_enable(rtcio_num);
}
void rtcio_hal_set_direction_in_sleep(int rtcio_num, rtc_gpio_mode_t mode)
{
switch (mode) {
case RTC_GPIO_MODE_INPUT_ONLY:
rtcio_ll_in_sleep_enable_input(rtcio_num);
rtcio_ll_in_sleep_disable_output(rtcio_num);
rtcio_ll_enable_sleep_setting(rtcio_num);
break;
case RTC_GPIO_MODE_OUTPUT_ONLY:
rtcio_ll_enable_output_in_sleep(rtcio_num);
rtcio_ll_in_sleep_disable_input(rtcio_num);
rtcio_ll_enable_sleep_setting(rtcio_num);
break;
case RTC_GPIO_MODE_INPUT_OUTPUT:
rtcio_ll_in_sleep_enable_input(rtcio_num);
rtcio_ll_enable_output_in_sleep(rtcio_num);
rtcio_ll_enable_sleep_setting(rtcio_num);
break;
case RTC_GPIO_MODE_DISABLED:
rtcio_ll_in_sleep_disable_input(rtcio_num);
rtcio_ll_in_sleep_disable_output(rtcio_num);
rtcio_ll_disable_sleep_setting(rtcio_num);
break;
default:
break;
}
}
#endif