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- /*
- * ESPRSSIF MIT License
- *
- * Copyright (c) 2016 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
- *
- * Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
- * it is free of charge, to any person obtaining a copy of this software and associated
- * documentation files (the "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
- * to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all copies or
- * substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
- #include "ets_sys.h"
- #include "osapi.h"
- #include "driver/gpio16.h"
- void ICACHE_FLASH_ATTR
- gpio16_output_conf(void)
- {
- WRITE_PERI_REG(PAD_XPD_DCDC_CONF,
- (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | (uint32)0x1); // mux configuration for XPD_DCDC to output rtc_gpio0
- WRITE_PERI_REG(RTC_GPIO_CONF,
- (READ_PERI_REG(RTC_GPIO_CONF) & (uint32)0xfffffffe) | (uint32)0x0); //mux configuration for out enable
- WRITE_PERI_REG(RTC_GPIO_ENABLE,
- (READ_PERI_REG(RTC_GPIO_ENABLE) & (uint32)0xfffffffe) | (uint32)0x1); //out enable
- }
- void ICACHE_FLASH_ATTR
- gpio16_output_set(uint8 value)
- {
- WRITE_PERI_REG(RTC_GPIO_OUT,
- (READ_PERI_REG(RTC_GPIO_OUT) & (uint32)0xfffffffe) | (uint32)(value & 1));
- }
- void ICACHE_FLASH_ATTR
- gpio16_input_conf(void)
- {
- WRITE_PERI_REG(PAD_XPD_DCDC_CONF,
- (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | (uint32)0x1); // mux configuration for XPD_DCDC and rtc_gpio0 connection
- WRITE_PERI_REG(RTC_GPIO_CONF,
- (READ_PERI_REG(RTC_GPIO_CONF) & (uint32)0xfffffffe) | (uint32)0x0); //mux configuration for out enable
- WRITE_PERI_REG(RTC_GPIO_ENABLE,
- READ_PERI_REG(RTC_GPIO_ENABLE) & (uint32)0xfffffffe); //out disable
- }
- uint8 ICACHE_FLASH_ATTR
- gpio16_input_get(void)
- {
- return (uint8)(READ_PERI_REG(RTC_GPIO_IN_DATA) & 1);
- }
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