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Code Issues Releases Wiki Activity

Add IDF support to dallas (#2578)

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This commit is contained in:
Otto Winter
2021-10-21 22:48:28 +02:00
committed by GitHub
parent 1468acfced
commit 68c8547067
10 changed files with 201 additions and 183 deletions
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50
esphome/components/esp8266/gpio.cpp
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@@ -8,6 +8,29 @@ namespace esp8266 {
static const char *const TAG = "esp8266";
static int IRAM_ATTR flags_to_mode(gpio::Flags flags, uint8_t pin) {
if (flags == gpio::FLAG_INPUT) {
return INPUT;
} else if (flags == gpio::FLAG_OUTPUT) {
return OUTPUT;
} else if (flags == (gpio::FLAG_INPUT | gpio::FLAG_PULLUP)) {
if (pin == 16) {
// GPIO16 doesn't have a pullup, so pinMode would fail.
// However, sometimes this method is called with pullup mode anyway
// for example from dallas one_wire. For those cases convert this
// to a INPUT mode.
return INPUT;
}
return INPUT_PULLUP;
} else if (flags == (gpio::FLAG_INPUT | gpio::FLAG_PULLDOWN)) {
return INPUT_PULLDOWN_16;
} else if (flags == (gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN)) {
return OUTPUT_OPEN_DRAIN;
} else {
return 0;
}
}
struct ISRPinArg {
uint8_t pin;
bool inverted;
@@ -43,28 +66,7 @@ void ESP8266GPIOPin::attach_interrupt(void (*func)(void *), void *arg, gpio::Int
attachInterruptArg(pin_, func, arg, arduino_mode);
}
void ESP8266GPIOPin::pin_mode(gpio::Flags flags) {
uint8_t mode;
if (flags == gpio::FLAG_INPUT) {
mode = INPUT;
} else if (flags == gpio::FLAG_OUTPUT) {
mode = OUTPUT;
} else if (flags == (gpio::FLAG_INPUT | gpio::FLAG_PULLUP)) {
mode = INPUT_PULLUP;
if (pin_ == 16) {
// GPIO16 doesn't have a pullup, so pinMode would fail.
// However, sometimes this method is called with pullup mode anyway
// for example from dallas one_wire. For those cases convert this
// to a INPUT mode.
mode = INPUT;
}
} else if (flags == (gpio::FLAG_INPUT | gpio::FLAG_PULLDOWN)) {
mode = INPUT_PULLDOWN_16;
} else if (flags == (gpio::FLAG_OUTPUT | gpio::FLAG_OPEN_DRAIN)) {
mode = OUTPUT_OPEN_DRAIN;
} else {
return;
}
pinMode(pin_, mode); // NOLINT
pinMode(pin_, flags_to_mode(flags, pin_)); // NOLINT
}
std::string ESP8266GPIOPin::dump_summary() const {
@@ -97,6 +99,10 @@ void IRAM_ATTR ISRInternalGPIOPin::clear_interrupt() {
auto *arg = reinterpret_cast<ISRPinArg *>(arg_);
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1UL << arg->pin);
}
void IRAM_ATTR ISRInternalGPIOPin::pin_mode(gpio::Flags flags) {
auto *arg = reinterpret_cast<ISRPinArg *>(arg_);
pinMode(arg->pin, flags_to_mode(flags, arg->pin)); // NOLINT
}
} // namespace esphome