esphome/esphome/components/esp32/gpio_arduino.cpp
2021-10-21 22:48:28 +02:00

114 lines
3.2 KiB
C++

#ifdef USE_ESP32_FRAMEWORK_ARDUINO
#include "gpio_arduino.h"
#include "esphome/core/log.h"
#include <esp32-hal-gpio.h>
namespace esphome {
namespace esp32 {
static const char *const TAG = "esp32";
static int IRAM_ATTR flags_to_mode(gpio::Flags flags) {
if (flags == gpio::FLAG_INPUT) {
return INPUT;
} else if (flags == gpio::FLAG_OUTPUT) {
return OUTPUT;
} else if (flags == (gpio::FLAG_INPUT | gpio::FLAG_PULLUP)) {
return INPUT_PULLUP;
} else if (flags == (gpio::FLAG_INPUT | gpio::FLAG_PULLDOWN)) {
return INPUT_PULLDOWN;
} else if (flags == (gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN)) {
return OUTPUT_OPEN_DRAIN;
} else {
return 0;
}
}
struct ISRPinArg {
uint8_t pin;
bool inverted;
};
ISRInternalGPIOPin ArduinoInternalGPIOPin::to_isr() const {
auto *arg = new ISRPinArg{}; // NOLINT(cppcoreguidelines-owning-memory)
arg->pin = pin_;
arg->inverted = inverted_;
return ISRInternalGPIOPin((void *) arg);
}
void ArduinoInternalGPIOPin::attach_interrupt(void (*func)(void *), void *arg, gpio::InterruptType type) const {
uint8_t arduino_mode = DISABLED;
switch (type) {
case gpio::INTERRUPT_RISING_EDGE:
arduino_mode = inverted_ ? FALLING : RISING;
break;
case gpio::INTERRUPT_FALLING_EDGE:
arduino_mode = inverted_ ? RISING : FALLING;
break;
case gpio::INTERRUPT_ANY_EDGE:
arduino_mode = CHANGE;
break;
case gpio::INTERRUPT_LOW_LEVEL:
arduino_mode = inverted_ ? ONHIGH : ONLOW;
break;
case gpio::INTERRUPT_HIGH_LEVEL:
arduino_mode = inverted_ ? ONLOW : ONHIGH;
break;
}
attachInterruptArg(pin_, func, arg, arduino_mode);
}
void ArduinoInternalGPIOPin::pin_mode(gpio::Flags flags) {
pinMode(pin_, flags_to_mode(flags)); // NOLINT
}
std::string ArduinoInternalGPIOPin::dump_summary() const {
char buffer[32];
snprintf(buffer, sizeof(buffer), "GPIO%u", pin_);
return buffer;
}
bool ArduinoInternalGPIOPin::digital_read() {
return bool(digitalRead(pin_)) != inverted_; // NOLINT
}
void ArduinoInternalGPIOPin::digital_write(bool value) {
digitalWrite(pin_, value != inverted_ ? 1 : 0); // NOLINT
}
void ArduinoInternalGPIOPin::detach_interrupt() const {
detachInterrupt(pin_); // NOLINT
}
} // namespace esp32
using namespace esp32;
bool IRAM_ATTR ISRInternalGPIOPin::digital_read() {
auto *arg = reinterpret_cast<ISRPinArg *>(arg_);
return bool(digitalRead(arg->pin)) != arg->inverted; // NOLINT
}
void IRAM_ATTR ISRInternalGPIOPin::digital_write(bool value) {
auto *arg = reinterpret_cast<ISRPinArg *>(arg_);
digitalWrite(arg->pin, value != arg->inverted ? 1 : 0); // NOLINT
}
void IRAM_ATTR ISRInternalGPIOPin::clear_interrupt() {
auto *arg = reinterpret_cast<ISRPinArg *>(arg_);
#ifdef CONFIG_IDF_TARGET_ESP32C3
GPIO.status_w1tc.val = 1UL << arg->pin;
#else
if (arg->pin < 32) {
GPIO.status_w1tc = 1UL << arg->pin;
} else {
GPIO.status1_w1tc.intr_st = 1UL << (arg->pin - 32);
}
#endif
}
void IRAM_ATTR ISRInternalGPIOPin::pin_mode(gpio::Flags flags) {
auto *arg = reinterpret_cast<ISRPinArg *>(arg_);
pinMode(arg->pin, flags_to_mode(flags)); // NOLINT
}
} // namespace esphome
#endif // USE_ESP32_FRAMEWORK_ARDUINO