Home-IoT/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2024-11-26 00:48:19 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

Add null GPIO pin (#6611)

Browse source
This commit is contained in:
Clyde Stubbs 2024-04-24 06:49:14 +10:00 committed by GitHub
parent 8027921ba3
commit b8f0182fc5
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
3 changed files with 26 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
esphome/components/cst226/touchscreen/cst226_touchscreen.cpp
View file

@ -5,17 +5,13 @@ namespace cst226 {
void CST226Touchscreen::setup() { void CST226Touchscreen::setup() {
esph_log_config(TAG, "Setting up CST226 Touchscreen..."); esph_log_config(TAG, "Setting up CST226 Touchscreen...");
if (this->reset_pin_ != nullptr) { this->reset_pin_->setup();
this->reset_pin_->setup(); this->reset_pin_->digital_write(true);
this->reset_pin_->digital_write(true); delay(5);
delay(5); this->reset_pin_->digital_write(false);
this->reset_pin_->digital_write(false); delay(5);
delay(5); this->reset_pin_->digital_write(true);
this->reset_pin_->digital_write(true); this->set_timeout(30, [this] { this->continue_setup_(); });
this->set_timeout(30, [this] { this->continue_setup_(); });
} else {
this->continue_setup_();
}
} }
void CST226Touchscreen::update_touches() { void CST226Touchscreen::update_touches() {

2
esphome/components/cst226/touchscreen/cst226_touchscreen.h
View file

@ -35,7 +35,7 @@ class CST226Touchscreen : public touchscreen::Touchscreen, public i2c::I2CDevice
void continue_setup_(); void continue_setup_();
InternalGPIOPin *interrupt_pin_{}; InternalGPIOPin *interrupt_pin_{};
GPIOPin *reset_pin_{}; GPIOPin *reset_pin_{NULL_PIN};
uint8_t chip_id_{}; uint8_t chip_id_{};
bool setup_complete_{}; bool setup_complete_{};
}; };

18
esphome/core/gpio.h
View file

@ -62,6 +62,24 @@ class GPIOPin {
virtual bool is_internal() { return false; } virtual bool is_internal() { return false; }
}; };
/**
* A pin to replace those that don't exist.
*/
class NullPin : public GPIOPin {
public:
void setup() override {}
void pin_mode(gpio::Flags _) override {}
bool digital_read() override { return false; }
void digital_write(bool _) override {}
std::string dump_summary() const override { return {"Not used"}; }
};
static GPIOPin *const NULL_PIN = new NullPin();
/// Copy of GPIOPin that is safe to use from ISRs (with no virtual functions) /// Copy of GPIOPin that is safe to use from ISRs (with no virtual functions)
class ISRInternalGPIOPin { class ISRInternalGPIOPin {
public: public: