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#include "driver/gpio.h"
extern "C" {
#include "osapi.h"
#include "user_interface.h"
#include "gpio.h"
}
void ICACHE_FLASH_ATTR GPIO::setup()
{
gpio_init();
// Enable GPIO2 (ESP8266 on-board LED) as output
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO2_U, FUNC_GPIO2);
#ifdef LED_ON_GPIO16
// Enable GPIO16 (RTC out / NodeMCU on-board LED) as output
WRITE_PERI_REG(PAD_XPD_DCDC_CONF, (READ_PERI_REG(PAD_XPD_DCDC_CONF) & 0xffffffbc) | (uint32)0x1);
WRITE_PERI_REG(RTC_GPIO_CONF, (READ_PERI_REG(RTC_GPIO_CONF) & (uint32)0xfffffffe) | (uint32)0x0);
WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & (uint32)0xfffffffe) | (uint32)0x1);
// Turn the GPIO on to make sure the LED is off by default
WRITE_PERI_REG(RTC_GPIO_OUT, (READ_PERI_REG(RTC_GPIO_OUT) & (uint32)0xfffffffe) | (uint32)(1));
#endif
}
void ICACHE_FLASH_ATTR GPIO::led_on(unsigned char id)
{
#ifdef LED_ON_GPIO16
if (id == 0) {
gpio_output_set(0, BIT2, BIT2, 0);
} else {
WRITE_PERI_REG(RTC_GPIO_OUT, (READ_PERI_REG(RTC_GPIO_OUT) & (uint32)0xfffffffe) | (uint32)(0));
}
#else
gpio_output_set(0, BIT2, BIT2, 0);
#endif
}
void ICACHE_FLASH_ATTR GPIO::led_off(unsigned char id)
{
#ifdef LED_ON_GPIO16
if (id == 0) {
gpio_output_set(BIT2, 0, BIT2, 0);
} else {
WRITE_PERI_REG(RTC_GPIO_OUT, (READ_PERI_REG(RTC_GPIO_OUT) & (uint32)0xfffffffe) | (uint32)(0));
}
#else
gpio_output_set(BIT2, 0, BIT2, 0);
#endif
}
void ICACHE_FLASH_ATTR GPIO::led_toggle(unsigned char id)
{
#ifdef LED_ON_GPIO16
if (id == 0) {
if (gpio_input_get() & BIT2) {
led_on(0);
} else {
led_off(0);
}
} else {
WRITE_PERI_REG(RTC_GPIO_OUT, (READ_PERI_REG(RTC_GPIO_OUT) ^ BIT0));
}
#else
if (gpio_input_get() & BIT2) {
led_on(0);
} else {
led_off(0);
}
#endif
}
GPIO gpio;
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