From 8c41fc2b1dd22fb6e574d6982f88b32a60204b49 Mon Sep 17 00:00:00 2001 From: Branimir Lambov Date: Wed, 11 Aug 2021 06:14:17 +0100 Subject: [PATCH] Support for the DKE screen version of LilyGo-TTGO-T5 V2.3 (#1969) Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com> --- .../components/waveshare_epaper/display.py | 8 +- .../waveshare_epaper/waveshare_epaper.cpp | 131 ++++++++++++++++++ .../waveshare_epaper/waveshare_epaper.h | 28 ++++ 3 files changed, 165 insertions(+), 2 deletions(-) diff --git a/esphome/components/waveshare_epaper/display.py b/esphome/components/waveshare_epaper/display.py index 5a40b92ce2..e825456c36 100644 --- a/esphome/components/waveshare_epaper/display.py +++ b/esphome/components/waveshare_epaper/display.py @@ -43,6 +43,9 @@ WaveshareEPaper7P5In = waveshare_epaper_ns.class_( WaveshareEPaper7P5InV2 = waveshare_epaper_ns.class_( "WaveshareEPaper7P5InV2", WaveshareEPaper ) +WaveshareEPaper2P13InDKE = waveshare_epaper_ns.class_( + "WaveshareEPaper2P13InDKE", WaveshareEPaper +) WaveshareEPaperTypeAModel = waveshare_epaper_ns.enum("WaveshareEPaperTypeAModel") WaveshareEPaperTypeBModel = waveshare_epaper_ns.enum("WaveshareEPaperTypeBModel") @@ -64,13 +67,14 @@ MODELS = { "5.83in": ("b", WaveshareEPaper5P8In), "7.50in": ("b", WaveshareEPaper7P5In), "7.50inv2": ("b", WaveshareEPaper7P5InV2), + "2.13in-ttgo-dke": ("c", WaveshareEPaper2P13InDKE), } def validate_full_update_every_only_type_a(value): if CONF_FULL_UPDATE_EVERY not in value: return value - if MODELS[value[CONF_MODEL]][0] != "a": + if MODELS[value[CONF_MODEL]][0] == "b": raise cv.Invalid( "The 'full_update_every' option is only available for models " "'1.54in', '1.54inV2', '2.13in', '2.90in', and '2.90inV2'." @@ -101,7 +105,7 @@ async def to_code(config): if model_type == "a": rhs = WaveshareEPaperTypeA.new(model) var = cg.Pvariable(config[CONF_ID], rhs, WaveshareEPaperTypeA) - elif model_type == "b": + elif model_type in ("b", "c"): rhs = model.new() var = cg.Pvariable(config[CONF_ID], rhs, model) else: diff --git a/esphome/components/waveshare_epaper/waveshare_epaper.cpp b/esphome/components/waveshare_epaper/waveshare_epaper.cpp index 17d04b556b..c32e7d27a0 100644 --- a/esphome/components/waveshare_epaper/waveshare_epaper.cpp +++ b/esphome/components/waveshare_epaper/waveshare_epaper.cpp @@ -1080,5 +1080,136 @@ void WaveshareEPaper7P5InV2::dump_config() { LOG_PIN(" Busy Pin: ", this->busy_pin_); LOG_UPDATE_INTERVAL(this); } + +static const uint8_t LUT_SIZE_TTGO_DKE_PART = 153; + +static const uint8_t PART_UPDATE_LUT_TTGO_DKE[LUT_SIZE_TTGO_DKE_PART] = { + 0x0, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x40, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0xF, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0x0, 0x0, 0x0, 0x0, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0, + // 0x22, 0x17, 0x41, 0x0, 0x32, 0x32 +}; + +void WaveshareEPaper2P13InDKE::initialize() {} +void HOT WaveshareEPaper2P13InDKE::display() { + bool partial = this->at_update_ != 0; + this->at_update_ = (this->at_update_ + 1) % this->full_update_every_; + + if (partial) + ESP_LOGI(TAG, "Performing partial e-paper update."); + else + ESP_LOGI(TAG, "Performing full e-paper update."); + + // start and set up data format + this->command(0x12); + this->wait_until_idle_(); + + this->command(0x11); + this->data(0x03); + this->command(0x44); + this->data(1); + this->data(this->get_width_internal() / 8); + this->command(0x45); + this->data(0); + this->data(0); + this->data(this->get_height_internal()); + this->data(0); + this->command(0x4e); + this->data(1); + this->command(0x4f); + this->data(0); + this->data(0); + + if (!partial) { + // send data + this->command(0x24); + this->start_data_(); + this->write_array(this->buffer_, this->get_buffer_length_()); + this->end_data_(); + + // commit + this->command(0x20); + this->wait_until_idle_(); + } else { + // set up partial update + this->command(0x32); + for (uint8_t v : PART_UPDATE_LUT_TTGO_DKE) + this->data(v); + this->command(0x3F); + this->data(0x22); + + this->command(0x03); + this->data(0x17); + this->command(0x04); + this->data(0x41); + this->data(0x00); + this->data(0x32); + this->command(0x2C); + this->data(0x32); + + this->command(0x37); + this->data(0x00); + this->data(0x00); + this->data(0x00); + this->data(0x00); + this->data(0x00); + this->data(0x40); + this->data(0x00); + this->data(0x00); + this->data(0x00); + this->data(0x00); + + this->command(0x3C); + this->data(0x80); + this->command(0x22); + this->data(0xC0); + this->command(0x20); + this->wait_until_idle_(); + + // send data + this->command(0x24); + this->start_data_(); + this->write_array(this->buffer_, this->get_buffer_length_()); + this->end_data_(); + + // commit as partial + this->command(0x22); + this->data(0xCF); + this->command(0x20); + this->wait_until_idle_(); + + // data must be sent again on partial update + delay(300); // NOLINT + this->command(0x24); + this->start_data_(); + this->write_array(this->buffer_, this->get_buffer_length_()); + this->end_data_(); + delay(300); // NOLINT + } + + ESP_LOGI(TAG, "Completed e-paper update."); +} + +int WaveshareEPaper2P13InDKE::get_width_internal() { return 128; } +int WaveshareEPaper2P13InDKE::get_height_internal() { return 250; } +int WaveshareEPaper2P13InDKE::idle_timeout_() { return 5000; } +void WaveshareEPaper2P13InDKE::dump_config() { + LOG_DISPLAY("", "Waveshare E-Paper", this); + ESP_LOGCONFIG(TAG, " Model: 2.13inDKE"); + LOG_PIN(" Reset Pin: ", this->reset_pin_); + LOG_PIN(" DC Pin: ", this->dc_pin_); + LOG_PIN(" Busy Pin: ", this->busy_pin_); + LOG_UPDATE_INTERVAL(this); +} + +void WaveshareEPaper2P13InDKE::set_full_update_every(uint32_t full_update_every) { + this->full_update_every_ = full_update_every; +} + } // namespace waveshare_epaper } // namespace esphome diff --git a/esphome/components/waveshare_epaper/waveshare_epaper.h b/esphome/components/waveshare_epaper/waveshare_epaper.h index 228753d1b7..f7603c5af0 100644 --- a/esphome/components/waveshare_epaper/waveshare_epaper.h +++ b/esphome/components/waveshare_epaper/waveshare_epaper.h @@ -301,5 +301,33 @@ class WaveshareEPaper7P5InV2 : public WaveshareEPaper { int get_height_internal() override; }; +class WaveshareEPaper2P13InDKE : public WaveshareEPaper { + public: + void initialize() override; + + void display() override; + + void dump_config() override; + + void deep_sleep() override { + // COMMAND POWER DOWN + this->command(0x10); + this->data(0x01); + // cannot wait until idle here, the device no longer responds + } + + void set_full_update_every(uint32_t full_update_every); + + protected: + int get_width_internal() override; + + int get_height_internal() override; + + int idle_timeout_() override; + + uint32_t full_update_every_{30}; + uint32_t at_update_{0}; +}; + } // namespace waveshare_epaper } // namespace esphome