[gt911] Add reset pin config (#7373)

This commit is contained in:
Clyde Stubbs 2024-08-30 06:20:12 +10:00 committed by GitHub
parent acb00c9c59
commit 725e50348b
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GPG key ID: B5690EEEBB952194
9 changed files with 56 additions and 125 deletions

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@ -1,11 +1,10 @@
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import pins from esphome import pins
import esphome.codegen as cg
from esphome.components import i2c, touchscreen from esphome.components import i2c, touchscreen
from esphome.const import CONF_INTERRUPT_PIN, CONF_ID import esphome.config_validation as cv
from .. import gt911_ns from esphome.const import CONF_ID, CONF_INTERRUPT_PIN, CONF_RESET_PIN
from .. import gt911_ns
GT911ButtonListener = gt911_ns.class_("GT911ButtonListener") GT911ButtonListener = gt911_ns.class_("GT911ButtonListener")
GT911Touchscreen = gt911_ns.class_( GT911Touchscreen = gt911_ns.class_(
@ -18,6 +17,7 @@ CONFIG_SCHEMA = touchscreen.TOUCHSCREEN_SCHEMA.extend(
{ {
cv.GenerateID(): cv.declare_id(GT911Touchscreen), cv.GenerateID(): cv.declare_id(GT911Touchscreen),
cv.Optional(CONF_INTERRUPT_PIN): pins.internal_gpio_input_pin_schema, cv.Optional(CONF_INTERRUPT_PIN): pins.internal_gpio_input_pin_schema,
cv.Optional(CONF_RESET_PIN): pins.gpio_output_pin_schema,
} }
).extend(i2c.i2c_device_schema(0x5D)) ).extend(i2c.i2c_device_schema(0x5D))
@ -29,3 +29,5 @@ async def to_code(config):
if interrupt_pin := config.get(CONF_INTERRUPT_PIN): if interrupt_pin := config.get(CONF_INTERRUPT_PIN):
cg.add(var.set_interrupt_pin(await cg.gpio_pin_expression(interrupt_pin))) cg.add(var.set_interrupt_pin(await cg.gpio_pin_expression(interrupt_pin)))
if reset_pin := config.get(CONF_RESET_PIN):
cg.add(var.set_reset_pin(await cg.gpio_pin_expression(reset_pin)))

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@ -26,6 +26,23 @@ static const size_t MAX_BUTTONS = 4; // max number of buttons scanned
void GT911Touchscreen::setup() { void GT911Touchscreen::setup() {
i2c::ErrorCode err; i2c::ErrorCode err;
ESP_LOGCONFIG(TAG, "Setting up GT911 Touchscreen..."); ESP_LOGCONFIG(TAG, "Setting up GT911 Touchscreen...");
if (this->reset_pin_ != nullptr) {
this->reset_pin_->setup();
this->reset_pin_->digital_write(false);
if (this->interrupt_pin_ != nullptr) {
// The interrupt pin is used as an input during reset to select the I2C address.
this->interrupt_pin_->pin_mode(gpio::FLAG_OUTPUT);
this->interrupt_pin_->setup();
this->interrupt_pin_->digital_write(false);
}
delay(2);
this->reset_pin_->digital_write(true);
delay(50); // NOLINT
if (this->interrupt_pin_ != nullptr) {
this->interrupt_pin_->pin_mode(gpio::FLAG_INPUT);
this->interrupt_pin_->setup();
}
}
// check the configuration of the int line. // check the configuration of the int line.
uint8_t data[4]; uint8_t data[4];

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@ -19,12 +19,14 @@ class GT911Touchscreen : public touchscreen::Touchscreen, public i2c::I2CDevice
void dump_config() override; void dump_config() override;
void set_interrupt_pin(InternalGPIOPin *pin) { this->interrupt_pin_ = pin; } void set_interrupt_pin(InternalGPIOPin *pin) { this->interrupt_pin_ = pin; }
void set_reset_pin(GPIOPin *pin) { this->reset_pin_ = pin; }
void register_button_listener(GT911ButtonListener *listener) { this->button_listeners_.push_back(listener); } void register_button_listener(GT911ButtonListener *listener) { this->button_listeners_.push_back(listener); }
protected: protected:
void update_touches() override; void update_touches() override;
InternalGPIOPin *interrupt_pin_{}; InternalGPIOPin *interrupt_pin_{};
GPIOPin *reset_pin_{};
std::vector<GT911ButtonListener *> button_listeners_; std::vector<GT911ButtonListener *> button_listeners_;
uint8_t button_state_{0xFF}; // last button state. Initial FF guarantees first update. uint8_t button_state_{0xFF}; // last button state. Initial FF guarantees first update.
}; };

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@ -0,0 +1,25 @@
i2c:
- id: i2c_gt911
scl: 5
sda: 4
display:
- platform: ssd1306_i2c
id: ssd1306_display
model: SSD1306_128X64
reset_pin: 10
pages:
- id: page1
lambda: |-
it.rectangle(0, 0, it.get_width(), it.get_height());
touchscreen:
- platform: gt911
display: ssd1306_display
interrupt_pin: 20
reset_pin: 21
binary_sensor:
- platform: gt911
id: touch_key_911
index: 0

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@ -1,24 +1 @@
i2c: <<: !include common.yaml
- id: i2c_gt911
scl: 16
sda: 17
display:
- platform: ssd1306_i2c
id: ssd1306_display
model: SSD1306_128X64
reset_pin: 13
pages:
- id: page1
lambda: |-
it.rectangle(0, 0, it.get_width(), it.get_height());
touchscreen:
- platform: gt911
display: ssd1306_display
interrupt_pin: 14
binary_sensor:
- platform: gt911
id: touch_key_911
index: 0

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@ -1,24 +1 @@
i2c: <<: !include common.yaml
- id: i2c_gt911
scl: 5
sda: 4
display:
- platform: ssd1306_i2c
id: ssd1306_display
model: SSD1306_128X64
reset_pin: 3
pages:
- id: page1
lambda: |-
it.rectangle(0, 0, it.get_width(), it.get_height());
touchscreen:
- platform: gt911
display: ssd1306_display
interrupt_pin: 6
binary_sensor:
- platform: gt911
id: touch_key_911
index: 0

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@ -1,24 +1 @@
i2c: <<: !include common.yaml
- id: i2c_gt911
scl: 5
sda: 4
display:
- platform: ssd1306_i2c
id: ssd1306_display
model: SSD1306_128X64
reset_pin: 3
pages:
- id: page1
lambda: |-
it.rectangle(0, 0, it.get_width(), it.get_height());
touchscreen:
- platform: gt911
display: ssd1306_display
interrupt_pin: 6
binary_sensor:
- platform: gt911
id: touch_key_911
index: 0

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@ -1,24 +1 @@
i2c: <<: !include common.yaml
- id: i2c_gt911
scl: 16
sda: 17
display:
- platform: ssd1306_i2c
id: ssd1306_display
model: SSD1306_128X64
reset_pin: 13
pages:
- id: page1
lambda: |-
it.rectangle(0, 0, it.get_width(), it.get_height());
touchscreen:
- platform: gt911
display: ssd1306_display
interrupt_pin: 14
binary_sensor:
- platform: gt911
id: touch_key_911
index: 0

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@ -1,24 +1 @@
i2c: <<: !include common.yaml
- id: i2c_gt911
scl: 5
sda: 4
display:
- platform: ssd1306_i2c
id: ssd1306_display
model: SSD1306_128X64
reset_pin: 3
pages:
- id: page1
lambda: |-
it.rectangle(0, 0, it.get_width(), it.get_height());
touchscreen:
- platform: gt911
display: ssd1306_display
interrupt_pin: 6
binary_sensor:
- platform: gt911
id: touch_key_911
index: 0