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[st7701s] Make use of IDF5.x to speed up display operations (#7447)

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Clyde Stubbs 2024-09-16 08:42:45 +10:00 committed by GitHub
parent de19d25a3c
commit f652cd3851
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GPG key ID: B5690EEEBB952194
2 changed files with 26 additions and 8 deletions
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32
esphome/components/st7701s/st7701s.cpp
View file

@ -8,8 +8,22 @@ namespace st7701s {
void ST7701S::setup() {
esph_log_config(TAG, "Setting up ST7701S");
this->spi_setup();
this->write_init_sequence_();
}
// called after a delay after writing the init sequence
void ST7701S::complete_setup_() {
this->write_command_(SLEEP_OUT);
this->write_command_(DISPLAY_ON);
this->spi_teardown(); // SPI not needed after this
delay(10);
esp_lcd_rgb_panel_config_t config{};
config.flags.fb_in_psram = 1;
#if ESP_IDF_VERSION_MAJOR >= 5
config.bounce_buffer_size_px = this->width_ * 10;
config.num_fbs = 1;
#endif // ESP_IDF_VERSION_MAJOR
config.timings.h_res = this->width_;
config.timings.v_res = this->height_;
config.timings.hsync_pulse_width = this->hsync_pulse_width_;
@ -21,7 +35,6 @@ void ST7701S::setup() {
config.timings.flags.pclk_active_neg = this->pclk_inverted_;
config.timings.pclk_hz = this->pclk_frequency_;
config.clk_src = LCD_CLK_SRC_PLL160M;
config.sram_trans_align = 64;
config.psram_trans_align = 64;
size_t data_pin_count = sizeof(this->data_pins_) / sizeof(this->data_pins_[0]);
for (size_t i = 0; i != data_pin_count; i++) {
@ -34,15 +47,21 @@ void ST7701S::setup() {
config.de_gpio_num = this->de_pin_->get_pin();
config.pclk_gpio_num = this->pclk_pin_->get_pin();
esp_err_t err = esp_lcd_new_rgb_panel(&config, &this->handle_);
ESP_ERROR_CHECK(esp_lcd_panel_reset(this->handle_));
ESP_ERROR_CHECK(esp_lcd_panel_init(this->handle_));
if (err != ESP_OK) {
esph_log_e(TAG, "lcd_new_rgb_panel failed: %s", esp_err_to_name(err));
}
ESP_ERROR_CHECK(esp_lcd_panel_reset(this->handle_));
ESP_ERROR_CHECK(esp_lcd_panel_init(this->handle_));
this->write_init_sequence_();
esph_log_config(TAG, "ST7701S setup complete");
}
void ST7701S::loop() {
#if ESP_IDF_VERSION_MAJOR >= 5
if (this->handle_ != nullptr)
esp_lcd_rgb_panel_restart(this->handle_);
#endif // ESP_IDF_VERSION_MAJOR
}
void ST7701S::draw_pixels_at(int x_start, int y_start, int w, int h, const uint8_t *ptr, display::ColorOrder order,
display::ColorBitness bitness, bool big_endian, int x_offset, int y_offset, int x_pad) {
if (w <= 0 || h <= 0)
@ -160,10 +179,7 @@ void ST7701S::write_init_sequence_() {
this->write_data_(val);
ESP_LOGD(TAG, "write MADCTL %X", val);
this->write_command_(this->invert_colors_ ? INVERT_ON : INVERT_OFF);
this->set_timeout(120, [this] {
this->write_command_(SLEEP_OUT);
this->write_command_(DISPLAY_ON);
});
this->set_timeout(120, [this] { this->complete_setup_(); });
}
void ST7701S::dump_config() {

2
esphome/components/st7701s/st7701s.h
View file

@ -33,6 +33,8 @@ class ST7701S : public display::Display,
public:
void update() override { this->do_update_(); }
void setup() override;
void complete_setup_();
void loop() override;
void draw_pixels_at(int x_start, int y_start, int w, int h, const uint8_t *ptr, display::ColorOrder order,
display::ColorBitness bitness, bool big_endian, int x_offset, int y_offset, int x_pad) override;