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Add support for TTGO ePaper module (#730)

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* Add support for TTGO ePaper module

Use 2.13in-ttgo as type. Only different LUTs were needed, everything else is the same.

relates to issue #233.

* fix styling errors

* styling fixes


Co-authored-by: null <mandy.klingbeil@student.hpi.uni-potsdam.de>
This commit is contained in:
Thomas Klingbeil 2019-10-17 20:55:27 +02:00 committed by Otto Winter
parent aae633277f
commit 3bb6430495
3 changed files with 55 additions and 10 deletions
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1
esphome/components/waveshare_epaper/display.py
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@ -21,6 +21,7 @@ WaveshareEPaperTypeBModel = waveshare_epaper_ns.enum('WaveshareEPaperTypeBModel'
MODELS = { MODELS = {
'1.54in': ('a', WaveshareEPaperTypeAModel.WAVESHARE_EPAPER_1_54_IN), '1.54in': ('a', WaveshareEPaperTypeAModel.WAVESHARE_EPAPER_1_54_IN),
'2.13in': ('a', WaveshareEPaperTypeAModel.WAVESHARE_EPAPER_2_13_IN), '2.13in': ('a', WaveshareEPaperTypeAModel.WAVESHARE_EPAPER_2_13_IN),
'2.13in-ttgo': ('a', WaveshareEPaperTypeAModel.TTGO_EPAPER_2_13_IN),
'2.90in': ('a', WaveshareEPaperTypeAModel.WAVESHARE_EPAPER_2_9_IN), '2.90in': ('a', WaveshareEPaperTypeAModel.WAVESHARE_EPAPER_2_9_IN),
'2.70in': ('b', WaveshareEPaper2P7In), '2.70in': ('b', WaveshareEPaper2P7In),
'4.20in': ('b', WaveshareEPaper4P2In), '4.20in': ('b', WaveshareEPaper4P2In),

57
esphome/components/waveshare_epaper/waveshare_epaper.cpp
View file

@ -8,13 +8,45 @@ namespace waveshare_epaper {
static const char *TAG = "waveshare_epaper"; static const char *TAG = "waveshare_epaper";
static const uint8_t FULL_UPDATE_LUT[30] = {0x02, 0x02, 0x01, 0x11, 0x12, 0x12, 0x22, 0x22, 0x66, 0x69, static const uint8_t LUT_SIZE_WAVESHARE = 30;
static const uint8_t FULL_UPDATE_LUT[LUT_SIZE_WAVESHARE] = {0x02, 0x02, 0x01, 0x11, 0x12, 0x12, 0x22, 0x22, 0x66, 0x69,
0x69, 0x59, 0x58, 0x99, 0x99, 0x88, 0x00, 0x00, 0x00, 0x00, 0x69, 0x59, 0x58, 0x99, 0x99, 0x88, 0x00, 0x00, 0x00, 0x00,
0xF8, 0xB4, 0x13, 0x51, 0x35, 0x51, 0x51, 0x19, 0x01, 0x00}; 0xF8, 0xB4, 0x13, 0x51, 0x35, 0x51, 0x51, 0x19, 0x01, 0x00};
static const uint8_t PARTIAL_UPDATE_LUT[30] = {0x10, 0x18, 0x18, 0x08, 0x18, 0x18, 0x08, 0x00, 0x00, 0x00, static const uint8_t PARTIAL_UPDATE_LUT[LUT_SIZE_WAVESHARE] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x18, 0x18, 0x08, 0x18, 0x18, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x13, 0x14, 0x44, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x14, 0x44, 0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static const uint8_t LUT_SIZE_TTGO = 70;
static const uint8_t FULL_UPDATE_LUT_TTGO[LUT_SIZE_TTGO] = {
0x80, 0x60, 0x40, 0x00, 0x00, 0x00, 0x00, // LUT0: BB: VS 0 ~7
0x10, 0x60, 0x20, 0x00, 0x00, 0x00, 0x00, // LUT1: BW: VS 0 ~7
0x80, 0x60, 0x40, 0x00, 0x00, 0x00, 0x00, // LUT2: WB: VS 0 ~7
0x10, 0x60, 0x20, 0x00, 0x00, 0x00, 0x00, // LUT3: WW: VS 0 ~7
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT4: VCOM: VS 0 ~7
0x03, 0x03, 0x00, 0x00, 0x02, // TP0 A~D RP0
0x09, 0x09, 0x00, 0x00, 0x02, // TP1 A~D RP1
0x03, 0x03, 0x00, 0x00, 0x02, // TP2 A~D RP2
0x00, 0x00, 0x00, 0x00, 0x00, // TP3 A~D RP3
0x00, 0x00, 0x00, 0x00, 0x00, // TP4 A~D RP4
0x00, 0x00, 0x00, 0x00, 0x00, // TP5 A~D RP5
0x00, 0x00, 0x00, 0x00, 0x00, // TP6 A~D RP6
};
static const uint8_t PARTIAL_UPDATE_LUT_TTGO[LUT_SIZE_TTGO] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT0: BB: VS 0 ~7
0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT1: BW: VS 0 ~7
0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT2: WB: VS 0 ~7
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT3: WW: VS 0 ~7
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // LUT4: VCOM: VS 0 ~7
0x0A, 0x00, 0x00, 0x00, 0x00, // TP0 A~D RP0
0x00, 0x00, 0x00, 0x00, 0x00, // TP1 A~D RP1
0x00, 0x00, 0x00, 0x00, 0x00, // TP2 A~D RP2
0x00, 0x00, 0x00, 0x00, 0x00, // TP3 A~D RP3
0x00, 0x00, 0x00, 0x00, 0x00, // TP4 A~D RP4
0x00, 0x00, 0x00, 0x00, 0x00, // TP5 A~D RP5
0x00, 0x00, 0x00, 0x00, 0x00, // TP6 A~D RP6
};
void WaveshareEPaper::setup_pins_() { void WaveshareEPaper::setup_pins_() {
this->init_internal_(this->get_buffer_length_()); this->init_internal_(this->get_buffer_length_());
@ -134,6 +166,9 @@ void WaveshareEPaperTypeA::dump_config() {
case WAVESHARE_EPAPER_2_13_IN: case WAVESHARE_EPAPER_2_13_IN:
ESP_LOGCONFIG(TAG, " Model: 2.13in"); ESP_LOGCONFIG(TAG, " Model: 2.13in");
break; break;
case TTGO_EPAPER_2_13_IN:
ESP_LOGCONFIG(TAG, " Model: 2.13in (TTGO)");
break;
case WAVESHARE_EPAPER_2_9_IN: case WAVESHARE_EPAPER_2_9_IN:
ESP_LOGCONFIG(TAG, " Model: 2.9in"); ESP_LOGCONFIG(TAG, " Model: 2.9in");
break; break;
@ -154,7 +189,11 @@ void HOT WaveshareEPaperTypeA::display() {
bool prev_full_update = this->at_update_ == 1; bool prev_full_update = this->at_update_ == 1;
bool full_update = this->at_update_ == 0; bool full_update = this->at_update_ == 0;
if (full_update != prev_full_update) { if (full_update != prev_full_update) {
this->write_lut_(full_update ? FULL_UPDATE_LUT : PARTIAL_UPDATE_LUT); if (this->model_ == TTGO_EPAPER_2_13_IN) {
this->write_lut_(full_update ? FULL_UPDATE_LUT_TTGO : PARTIAL_UPDATE_LUT_TTGO, LUT_SIZE_TTGO);
} else {
this->write_lut_(full_update ? FULL_UPDATE_LUT : PARTIAL_UPDATE_LUT, LUT_SIZE_WAVESHARE);
}
} }
this->at_update_ = (this->at_update_ + 1) % this->full_update_every_; this->at_update_ = (this->at_update_ + 1) % this->full_update_every_;
} }
@ -206,6 +245,8 @@ int WaveshareEPaperTypeA::get_width_internal() {
return 200; return 200;
case WAVESHARE_EPAPER_2_13_IN: case WAVESHARE_EPAPER_2_13_IN:
return 128; return 128;
case TTGO_EPAPER_2_13_IN:
return 128;
case WAVESHARE_EPAPER_2_9_IN: case WAVESHARE_EPAPER_2_9_IN:
return 128; return 128;
} }
@ -217,15 +258,17 @@ int WaveshareEPaperTypeA::get_height_internal() {
return 200; return 200;
case WAVESHARE_EPAPER_2_13_IN: case WAVESHARE_EPAPER_2_13_IN:
return 250; return 250;
case TTGO_EPAPER_2_13_IN:
return 250;
case WAVESHARE_EPAPER_2_9_IN: case WAVESHARE_EPAPER_2_9_IN:
return 296; return 296;
} }
return 0; return 0;
} }
void WaveshareEPaperTypeA::write_lut_(const uint8_t *lut) { void WaveshareEPaperTypeA::write_lut_(const uint8_t *lut, const uint8_t size) {
// COMMAND WRITE LUT REGISTER // COMMAND WRITE LUT REGISTER
this->command(0x32); this->command(0x32);
for (uint8_t i = 0; i < 30; i++) for (uint8_t i = 0; i < size; i++)
this->data(lut[i]); this->data(lut[i]);
} }
WaveshareEPaperTypeA::WaveshareEPaperTypeA(WaveshareEPaperTypeAModel model) : model_(model) {} WaveshareEPaperTypeA::WaveshareEPaperTypeA(WaveshareEPaperTypeAModel model) : model_(model) {}

3
esphome/components/waveshare_epaper/waveshare_epaper.h
View file

@ -67,6 +67,7 @@ enum WaveshareEPaperTypeAModel {
WAVESHARE_EPAPER_1_54_IN = 0, WAVESHARE_EPAPER_1_54_IN = 0,
WAVESHARE_EPAPER_2_13_IN, WAVESHARE_EPAPER_2_13_IN,
WAVESHARE_EPAPER_2_9_IN, WAVESHARE_EPAPER_2_9_IN,
TTGO_EPAPER_2_13_IN,
}; };
class WaveshareEPaperTypeA : public WaveshareEPaper { class WaveshareEPaperTypeA : public WaveshareEPaper {
@ -88,7 +89,7 @@ class WaveshareEPaperTypeA : public WaveshareEPaper {
void set_full_update_every(uint32_t full_update_every); void set_full_update_every(uint32_t full_update_every);
protected: protected:
void write_lut_(const uint8_t *lut); void write_lut_(const uint8_t *lut, uint8_t size);
int get_width_internal() override; int get_width_internal() override;