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[rpi_dpi_rgb] Add enable_pin and reset_display method to driver (#7383)
Co-authored-by: Clyde Stubbs <2366188+clydebarrow@users.noreply.github.com>
This commit is contained in:
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3 changed files with 27 additions and 0 deletions
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@ -3,6 +3,7 @@ import esphome.config_validation as cv
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from esphome import pins
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from esphome.components import display
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from esphome.const import (
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CONF_ENABLE_PIN,
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CONF_HSYNC_PIN,
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CONF_RESET_PIN,
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CONF_DATA_PINS,
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@ -112,6 +113,7 @@ CONFIG_SCHEMA = cv.All(
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cv.Required(CONF_PCLK_PIN): pins.internal_gpio_output_pin_schema,
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cv.Required(CONF_HSYNC_PIN): pins.internal_gpio_output_pin_schema,
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cv.Required(CONF_VSYNC_PIN): pins.internal_gpio_output_pin_schema,
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cv.Optional(CONF_ENABLE_PIN): pins.gpio_output_pin_schema,
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cv.Optional(CONF_RESET_PIN): pins.gpio_output_pin_schema,
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cv.Optional(CONF_HSYNC_PULSE_WIDTH, default=10): cv.int_,
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cv.Optional(CONF_HSYNC_BACK_PORCH, default=10): cv.int_,
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@ -164,6 +166,10 @@ async def to_code(config):
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cg.add(var.add_data_pin(data_pin, index))
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index += 1
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if enable_pin := config.get(CONF_ENABLE_PIN):
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enable = await cg.gpio_pin_expression(enable_pin)
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cg.add(var.set_enable_pin(enable))
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if reset_pin := config.get(CONF_RESET_PIN):
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reset = await cg.gpio_pin_expression(reset_pin)
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cg.add(var.set_reset_pin(reset))
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@ -104,12 +104,30 @@ void RpiDpiRgb::dump_config() {
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ESP_LOGCONFIG(TAG, " Height: %u", this->height_);
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ESP_LOGCONFIG(TAG, " Width: %u", this->width_);
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LOG_PIN(" DE Pin: ", this->de_pin_);
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LOG_PIN(" Enable Pin: ", this->enable_pin_);
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LOG_PIN(" Reset Pin: ", this->reset_pin_);
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size_t data_pin_count = sizeof(this->data_pins_) / sizeof(this->data_pins_[0]);
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for (size_t i = 0; i != data_pin_count; i++)
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ESP_LOGCONFIG(TAG, " Data pin %d: %s", i, (this->data_pins_[i])->dump_summary().c_str());
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}
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void RpiDpiRgb::reset_display_() const {
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if (this->reset_pin_ != nullptr) {
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this->reset_pin_->setup();
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this->reset_pin_->digital_write(false);
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if (this->enable_pin_ != nullptr) {
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this->enable_pin_->setup();
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this->enable_pin_->digital_write(false);
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}
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delay(1);
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this->reset_pin_->digital_write(true);
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if (this->enable_pin_ != nullptr) {
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delay(11);
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this->enable_pin_->digital_write(true);
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}
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}
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}
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} // namespace rpi_dpi_rgb
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} // namespace esphome
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@ -36,6 +36,7 @@ class RpiDpiRgb : public display::Display {
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void set_pclk_pin(InternalGPIOPin *pclk_pin) { this->pclk_pin_ = pclk_pin; }
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void set_vsync_pin(InternalGPIOPin *vsync_pin) { this->vsync_pin_ = vsync_pin; }
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void set_hsync_pin(InternalGPIOPin *hsync_pin) { this->hsync_pin_ = hsync_pin; }
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void set_enable_pin(GPIOPin *enable_pin) { this->enable_pin_ = enable_pin; }
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void set_reset_pin(GPIOPin *reset_pin) { this->reset_pin_ = reset_pin; }
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void set_width(uint16_t width) { this->width_ = width; }
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void set_dimensions(uint16_t width, uint16_t height) {
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@ -62,10 +63,12 @@ class RpiDpiRgb : public display::Display {
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protected:
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int get_width_internal() override { return this->width_; }
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int get_height_internal() override { return this->height_; }
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void reset_display_() const;
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InternalGPIOPin *de_pin_{nullptr};
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InternalGPIOPin *pclk_pin_{nullptr};
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InternalGPIOPin *hsync_pin_{nullptr};
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InternalGPIOPin *vsync_pin_{nullptr};
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GPIOPin *enable_pin_{nullptr};
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GPIOPin *reset_pin_{nullptr};
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InternalGPIOPin *data_pins_[16] = {};
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uint16_t hsync_front_porch_ = 8;
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