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Code Issues Releases Wiki Activity

Inkplate 6 PLUS (#3013)

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This commit is contained in:
Jesse Hills
2022-02-08 22:56:56 +13:00
committed by GitHub
parent 4aeacfd16e
commit c66d0550e8
3 changed files with 281 additions and 208 deletions
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434
esphome/components/inkplate6/inkplate.cpp
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@@ -13,6 +13,11 @@ namespace inkplate6 {
static const char *const TAG = "inkplate";
void Inkplate6::setup() {
for (uint32_t i = 0; i < 256; i++) {
this->pin_lut_[i] = ((i & 0b00000011) << 4) | (((i & 0b00001100) >> 2) << 18) | (((i & 0b00010000) >> 4) << 23) |
(((i & 0b11100000) >> 5) << 25);
}
this->initialize_();
this->vcom_pin_->setup();
@@ -38,11 +43,21 @@ void Inkplate6::setup() {
this->display_data_6_pin_->setup();
this->display_data_7_pin_->setup();
this->clean();
this->display();
this->wakeup_pin_->digital_write(true);
delay(1);
this->write_bytes(0x09, {
0b00011011, // Power up seq.
0b00000000, // Power up delay (3mS per rail)
0b00011011, // Power down seq.
0b00000000, // Power down delay (6mS per rail)
});
delay(1);
this->wakeup_pin_->digital_write(false);
}
void Inkplate6::initialize_() {
ExternalRAMAllocator<uint8_t> allocator(ExternalRAMAllocator<uint8_t>::ALLOW_FAILURE);
ExternalRAMAllocator<uint32_t> allocator32(ExternalRAMAllocator<uint32_t>::ALLOW_FAILURE);
uint32_t buffer_size = this->get_buffer_length_();
if (buffer_size == 0)
return;
@@ -53,6 +68,10 @@ void Inkplate6::initialize_() {
allocator.deallocate(this->partial_buffer_2_, buffer_size * 2);
if (this->buffer_ != nullptr)
allocator.deallocate(this->buffer_, buffer_size);
if (this->glut_ != nullptr)
allocator32.deallocate(this->glut_, 256 * (this->model_ == INKPLATE_6_PLUS ? 9 : 8));
if (this->glut2_ != nullptr)
allocator32.deallocate(this->glut2_, 256 * (this->model_ == INKPLATE_6_PLUS ? 9 : 8));
this->buffer_ = allocator.allocate(buffer_size);
if (this->buffer_ == nullptr) {
@@ -60,7 +79,34 @@ void Inkplate6::initialize_() {
this->mark_failed();
return;
}
if (!this->greyscale_) {
if (this->greyscale_) {
uint8_t glut_size = (this->model_ == INKPLATE_6_PLUS ? 9 : 8);
this->glut_ = allocator32.allocate(256 * glut_size);
if (this->glut_ == nullptr) {
ESP_LOGE(TAG, "Could not allocate glut!");
this->mark_failed();
return;
}
this->glut2_ = allocator32.allocate(256 * glut_size);
if (this->glut2_ == nullptr) {
ESP_LOGE(TAG, "Could not allocate glut2!");
this->mark_failed();
return;
}
for (int i = 0; i < glut_size; i++) {
for (uint32_t j = 0; j < 256; j++) {
uint8_t z = (waveform3Bit[j & 0x07][i] << 2) | (waveform3Bit[(j >> 4) & 0x07][i]);
this->glut_[i * 256 + j] = ((z & 0b00000011) << 4) | (((z & 0b00001100) >> 2) << 18) |
(((z & 0b00010000) >> 4) << 23) | (((z & 0b11100000) >> 5) << 25);
z = ((waveform3Bit[j & 0x07][i] << 2) | (waveform3Bit[(j >> 4) & 0x07][i])) << 4;
this->glut2_[i * 256 + j] = ((z & 0b00000011) << 4) | (((z & 0b00001100) >> 2) << 18) |
(((z & 0b00010000) >> 4) << 23) | (((z & 0b11100000) >> 5) << 25);
}
}
} else {
this->partial_buffer_ = allocator.allocate(buffer_size);
if (this->partial_buffer_ == nullptr) {
ESP_LOGE(TAG, "Could not allocate partial buffer for display!");
@@ -73,13 +119,16 @@ void Inkplate6::initialize_() {
this->mark_failed();
return;
}
memset(this->partial_buffer_, 0, buffer_size);
memset(this->partial_buffer_2_, 0, buffer_size * 2);
}
memset(this->buffer_, 0, buffer_size);
}
float Inkplate6::get_setup_priority() const { return setup_priority::PROCESSOR; }
size_t Inkplate6::get_buffer_length_() {
if (this->greyscale_) {
return size_t(this->get_width_internal()) * size_t(this->get_height_internal()) / 2u;
@@ -87,6 +136,7 @@ size_t Inkplate6::get_buffer_length_() {
return size_t(this->get_width_internal()) * size_t(this->get_height_internal()) / 8u;
}
}
void Inkplate6::update() {
this->do_update_();
@@ -96,6 +146,7 @@ void Inkplate6::update() {
this->display();
}
void HOT Inkplate6::draw_absolute_pixel_internal(int x, int y, Color color) {
if (x >= this->get_width_internal() || y >= this->get_height_internal() || x < 0 || y < 0)
return;
@@ -121,6 +172,7 @@ void HOT Inkplate6::draw_absolute_pixel_internal(int x, int y, Color color) {
this->partial_buffer_[pos] = (~pixelMaskLUT[x_sub] & current) | (color.is_on() ? 0 : pixelMaskLUT[x_sub]);
}
}
void Inkplate6::dump_config() {
LOG_DISPLAY("", "Inkplate", this);
ESP_LOGCONFIG(TAG, " Greyscale: %s", YESNO(this->greyscale_));
@@ -150,44 +202,51 @@ void Inkplate6::dump_config() {
LOG_UPDATE_INTERVAL(this);
}
void Inkplate6::eink_off_() {
ESP_LOGV(TAG, "Eink off called");
if (panel_on_ == 0)
if (!panel_on_)
return;
panel_on_ = 0;
this->gmod_pin_->digital_write(false);
panel_on_ = false;
this->oe_pin_->digital_write(false);
this->gmod_pin_->digital_write(false);
GPIO.out &= ~(get_data_pin_mask_() | (1 << this->cl_pin_->get_pin()) | (1 << this->le_pin_->get_pin()));
GPIO.out &= ~(this->get_data_pin_mask_() | (1 << this->cl_pin_->get_pin()) | (1 << this->le_pin_->get_pin()));
this->ckv_pin_->digital_write(false);
this->sph_pin_->digital_write(false);
this->spv_pin_->digital_write(false);
this->powerup_pin_->digital_write(false);
this->wakeup_pin_->digital_write(false);
this->vcom_pin_->digital_write(false);
this->write_byte(0x01, 0x6F); // Put TPS65186 into standby mode
delay(100); // NOLINT
this->write_byte(0x01, 0x4f); // Disable 3V3 to the panel
if (this->model_ != INKPLATE_6_PLUS)
this->wakeup_pin_->digital_write(false);
pins_z_state_();
}
void Inkplate6::eink_on_() {
ESP_LOGV(TAG, "Eink on called");
if (panel_on_ == 1)
if (panel_on_)
return;
panel_on_ = 1;
pins_as_outputs_();
this->panel_on_ = true;
this->pins_as_outputs_();
this->wakeup_pin_->digital_write(true);
this->powerup_pin_->digital_write(true);
this->vcom_pin_->digital_write(true);
this->write_byte(0x01, 0x3F);
delay(40);
this->write_byte(0x0D, 0x80);
delay(2);
this->read_register(0x00, nullptr, 0);
this->write_byte(0x01, 0b00101111); // Enable all rails
delay(1);
this->write_byte(0x01, 0b10101111); // Switch TPS65186 into active mode
this->le_pin_->digital_write(false);
this->oe_pin_->digital_write(false);
@@ -196,8 +255,33 @@ void Inkplate6::eink_on_() {
this->gmod_pin_->digital_write(true);
this->spv_pin_->digital_write(true);
this->ckv_pin_->digital_write(false);
this->oe_pin_->digital_write(false);
uint32_t timer = millis();
do {
delay(1);
} while (!this->read_power_status_() && ((millis() - timer) < 250));
if ((millis() - timer) >= 250) {
ESP_LOGW(TAG, "Power supply not detected");
this->wakeup_pin_->digital_write(false);
this->vcom_pin_->digital_write(false);
this->powerup_pin_->digital_write(false);
this->panel_on_ = false;
return;
}
this->oe_pin_->digital_write(true);
}
bool Inkplate6::read_power_status_() {
uint8_t data;
auto err = this->read_register(0x0F, &data, 1);
if (err == i2c::ERROR_OK) {
return data == 0b11111010;
}
return false;
}
void Inkplate6::fill(Color color) {
ESP_LOGV(TAG, "Fill called");
uint32_t start_time = millis();
@@ -212,6 +296,7 @@ void Inkplate6::fill(Color color) {
ESP_LOGV(TAG, "Fill finished (%ums)", millis() - start_time);
}
void Inkplate6::display() {
ESP_LOGV(TAG, "Display called");
uint32_t start_time = millis();
@@ -227,201 +312,185 @@ void Inkplate6::display() {
}
ESP_LOGV(TAG, "Display finished (full) (%ums)", millis() - start_time);
}
void Inkplate6::display1b_() {
ESP_LOGV(TAG, "Display1b called");
uint32_t start_time = millis();
memcpy(this->buffer_, this->partial_buffer_, this->get_buffer_length_());
uint32_t send;
uint8_t data;
uint8_t buffer_value;
const uint8_t *buffer_ptr;
eink_on_();
clean_fast_(0, 1);
clean_fast_(1, 5);
clean_fast_(2, 1);
clean_fast_(0, 5);
clean_fast_(2, 1);
clean_fast_(1, 12);
clean_fast_(2, 1);
clean_fast_(0, 11);
if (this->model_ == INKPLATE_6_PLUS) {
clean_fast_(0, 1);
clean_fast_(1, 15);
clean_fast_(2, 1);
clean_fast_(0, 5);
clean_fast_(2, 1);
clean_fast_(1, 15);
} else {
clean_fast_(0, 1);
clean_fast_(1, 21);
clean_fast_(2, 1);
clean_fast_(0, 12);
clean_fast_(2, 1);
clean_fast_(1, 21);
clean_fast_(2, 1);
clean_fast_(0, 12);
}
uint32_t clock = (1 << this->cl_pin_->get_pin());
uint32_t data_mask = this->get_data_pin_mask_();
ESP_LOGV(TAG, "Display1b start loops (%ums)", millis() - start_time);
for (int k = 0; k < 3; k++) {
for (int k = 0; k < 4; k++) {
buffer_ptr = &this->buffer_[this->get_buffer_length_() - 1];
vscan_start_();
for (int i = 0; i < this->get_height_internal(); i++) {
for (int i = 0, im = this->get_height_internal(); i < im; i++) {
buffer_value = *(buffer_ptr--);
data = LUTB[(buffer_value >> 4) & 0x0F];
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25);
hscan_start_(send);
data = LUTB[buffer_value & 0x0F];
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25) | clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
data = this->model_ == INKPLATE_6_PLUS ? LUTW[(~buffer_value >> 4) & 0x0F] : LUTB[(buffer_value >> 4) & 0x0F];
hscan_start_(this->pin_lut_[data]);
data = this->model_ == INKPLATE_6_PLUS ? LUTW[(~buffer_value) & 0x0F] : LUTB[buffer_value & 0x0F];
GPIO.out_w1ts = this->pin_lut_[data] | clock;
GPIO.out_w1tc = data_mask | clock;
for (int j = 0, jm = (this->get_width_internal() / 8) - 1; j < jm; j++) {
buffer_value = *(buffer_ptr--);
data = LUTB[(buffer_value >> 4) & 0x0F];
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25) | clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
data = LUTB[buffer_value & 0x0F];
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25) | clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
data = this->model_ == INKPLATE_6_PLUS ? LUTW[(~buffer_value >> 4) & 0x0F] : LUTB[(buffer_value >> 4) & 0x0F];
GPIO.out_w1ts = this->pin_lut_[data] | clock;
GPIO.out_w1tc = data_mask | clock;
data = this->model_ == INKPLATE_6_PLUS ? LUTW[(~buffer_value) & 0x0F] : LUTB[buffer_value & 0x0F];
GPIO.out_w1ts = this->pin_lut_[data] | clock;
GPIO.out_w1tc = data_mask | clock;
}
GPIO.out_w1ts = send;
GPIO.out_w1tc = get_data_pin_mask_() | clock;
GPIO.out_w1ts = clock;
GPIO.out_w1tc = data_mask | clock;
vscan_end_();
}
delayMicroseconds(230);
}
ESP_LOGV(TAG, "Display1b first loop x %d (%ums)", 3, millis() - start_time);
ESP_LOGV(TAG, "Display1b first loop x %d (%ums)", 4, millis() - start_time);
buffer_ptr = &this->buffer_[this->get_buffer_length_() - 1];
vscan_start_();
for (int i = 0; i < this->get_height_internal(); i++) {
for (int i = 0, im = this->get_height_internal(); i < im; i++) {
buffer_value = *(buffer_ptr--);
data = LUT2[(buffer_value >> 4) & 0x0F];
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25);
hscan_start_(send);
data = LUT2[buffer_value & 0x0F];
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25) | clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
data = this->model_ == INKPLATE_6_PLUS ? LUTB[(buffer_value >> 4) & 0x0F] : LUT2[(buffer_value >> 4) & 0x0F];
hscan_start_(this->pin_lut_[data] | clock);
data = this->model_ == INKPLATE_6_PLUS ? LUTB[buffer_value & 0x0F] : LUT2[buffer_value & 0x0F];
GPIO.out_w1ts = this->pin_lut_[data] | clock;
GPIO.out_w1tc = data_mask | clock;
for (int j = 0, jm = (this->get_width_internal() / 8) - 1; j < jm; j++) {
buffer_value = *(buffer_ptr--);
data = LUT2[(buffer_value >> 4) & 0x0F];
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25) | clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
data = LUT2[buffer_value & 0x0F];
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25) | clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
data = this->model_ == INKPLATE_6_PLUS ? LUTB[(buffer_value >> 4) & 0x0F] : LUT2[(buffer_value >> 4) & 0x0F];
GPIO.out_w1ts = this->pin_lut_[data] | clock;
GPIO.out_w1tc = data_mask | clock;
data = this->model_ == INKPLATE_6_PLUS ? LUTB[buffer_value & 0x0F] : LUT2[buffer_value & 0x0F];
GPIO.out_w1ts = this->pin_lut_[data] | clock;
GPIO.out_w1tc = data_mask | clock;
}
GPIO.out_w1ts = send;
GPIO.out_w1tc = get_data_pin_mask_() | clock;
GPIO.out_w1ts = clock;
GPIO.out_w1tc = data_mask | clock;
vscan_end_();
}
delayMicroseconds(230);
ESP_LOGV(TAG, "Display1b second loop (%ums)", millis() - start_time);
vscan_start_();
for (int i = 0; i < this->get_height_internal(); i++) {
data = 0b00000000;
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25);
hscan_start_(send);
send |= clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
for (int j = 0; j < (this->get_width_internal() / 8) - 1; j++) {
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
if (this->model_ == INKPLATE_6_PLUS) {
clean_fast_(2, 2);
clean_fast_(3, 1);
} else {
uint32_t send = this->pin_lut_[0];
vscan_start_();
for (int i = 0, im = this->get_height_internal(); i < im; i++) {
hscan_start_(send);
GPIO.out_w1ts = send | clock;
GPIO.out_w1tc = data_mask | clock;
for (int j = 0, jm = (this->get_width_internal() / 8) - 1; j < jm; j++) {
GPIO.out_w1ts = send | clock;
GPIO.out_w1tc = data_mask | clock;
GPIO.out_w1ts = send | clock;
GPIO.out_w1tc = data_mask | clock;
}
GPIO.out_w1ts = send | clock;
GPIO.out_w1tc = data_mask | clock;
vscan_end_();
}
GPIO.out_w1ts = clock;
GPIO.out_w1tc = get_data_pin_mask_() | clock;
vscan_end_();
delayMicroseconds(230);
ESP_LOGV(TAG, "Display1b third loop (%ums)", millis() - start_time);
}
delayMicroseconds(230);
ESP_LOGV(TAG, "Display1b third loop (%ums)", millis() - start_time);
vscan_start_();
eink_off_();
this->block_partial_ = false;
this->partial_updates_ = 0;
ESP_LOGV(TAG, "Display1b finished (%ums)", millis() - start_time);
}
void Inkplate6::display3b_() {
ESP_LOGV(TAG, "Display3b called");
uint32_t start_time = millis();
eink_on_();
clean_fast_(0, 1);
clean_fast_(1, 12);
clean_fast_(2, 1);
clean_fast_(0, 11);
clean_fast_(2, 1);
clean_fast_(1, 12);
clean_fast_(2, 1);
clean_fast_(0, 11);
if (this->model_ == INKPLATE_6_PLUS) {
clean_fast_(0, 1);
clean_fast_(1, 15);
clean_fast_(2, 1);
clean_fast_(0, 5);
clean_fast_(2, 1);
clean_fast_(1, 15);
} else {
clean_fast_(0, 1);
clean_fast_(1, 21);
clean_fast_(2, 1);
clean_fast_(0, 12);
clean_fast_(2, 1);
clean_fast_(1, 21);
clean_fast_(2, 1);
clean_fast_(0, 12);
}
uint32_t clock = (1 << this->cl_pin_->get_pin());
for (int k = 0; k < 8; k++) {
const uint8_t *buffer_ptr = &this->buffer_[this->get_buffer_length_() - 1];
uint32_t send;
uint8_t pix1;
uint8_t pix2;
uint8_t pix3;
uint8_t pix4;
uint8_t pixel;
uint8_t pixel2;
uint32_t data_mask = this->get_data_pin_mask_();
uint32_t pos;
uint32_t data;
uint8_t glut_size = this->model_ == INKPLATE_6_PLUS ? 9 : 8;
for (int k = 0; k < glut_size; k++) {
pos = this->get_buffer_length_();
vscan_start_();
for (int i = 0; i < this->get_height_internal(); i++) {
pix1 = (*buffer_ptr--);
pix2 = (*buffer_ptr--);
pix3 = (*buffer_ptr--);
pix4 = (*buffer_ptr--);
pixel = (waveform3Bit[pix1 & 0x07][k] << 6) | (waveform3Bit[(pix1 >> 4) & 0x07][k] << 4) |
(waveform3Bit[pix2 & 0x07][k] << 2) | (waveform3Bit[(pix2 >> 4) & 0x07][k] << 0);
pixel2 = (waveform3Bit[pix3 & 0x07][k] << 6) | (waveform3Bit[(pix3 >> 4) & 0x07][k] << 4) |
(waveform3Bit[pix4 & 0x07][k] << 2) | (waveform3Bit[(pix4 >> 4) & 0x07][k] << 0);
data = this->glut2_[k * 256 + this->buffer_[--pos]];
data |= this->glut_[k * 256 + this->buffer_[--pos]];
hscan_start_(data);
data = this->glut2_[k * 256 + this->buffer_[--pos]];
data |= this->glut_[k * 256 + this->buffer_[--pos]];
GPIO.out_w1ts = data | clock;
GPIO.out_w1tc = data_mask | clock;
send = ((pixel & 0b00000011) << 4) | (((pixel & 0b00001100) >> 2) << 18) | (((pixel & 0b00010000) >> 4) << 23) |
(((pixel & 0b11100000) >> 5) << 25);
hscan_start_(send);
send = ((pixel2 & 0b00000011) << 4) | (((pixel2 & 0b00001100) >> 2) << 18) |
(((pixel2 & 0b00010000) >> 4) << 23) | (((pixel2 & 0b11100000) >> 5) << 25) | clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
for (int j = 0, jm = (this->get_width_internal() / 8) - 1; j < jm; j++) {
pix1 = (*buffer_ptr--);
pix2 = (*buffer_ptr--);
pix3 = (*buffer_ptr--);
pix4 = (*buffer_ptr--);
pixel = (waveform3Bit[pix1 & 0x07][k] << 6) | (waveform3Bit[(pix1 >> 4) & 0x07][k] << 4) |
(waveform3Bit[pix2 & 0x07][k] << 2) | (waveform3Bit[(pix2 >> 4) & 0x07][k] << 0);
pixel2 = (waveform3Bit[pix3 & 0x07][k] << 6) | (waveform3Bit[(pix3 >> 4) & 0x07][k] << 4) |
(waveform3Bit[pix4 & 0x07][k] << 2) | (waveform3Bit[(pix4 >> 4) & 0x07][k] << 0);
send = ((pixel & 0b00000011) << 4) | (((pixel & 0b00001100) >> 2) << 18) | (((pixel & 0b00010000) >> 4) << 23) |
(((pixel & 0b11100000) >> 5) << 25) | clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
send = ((pixel2 & 0b00000011) << 4) | (((pixel2 & 0b00001100) >> 2) << 18) |
(((pixel2 & 0b00010000) >> 4) << 23) | (((pixel2 & 0b11100000) >> 5) << 25) | clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
for (int j = 0; j < (this->get_width_internal() / 8) - 1; j++) {
data = this->glut2_[k * 256 + this->buffer_[--pos]];
data |= this->glut_[k * 256 + this->buffer_[--pos]];
GPIO.out_w1ts = data | clock;
GPIO.out_w1tc = data_mask | clock;
data = this->glut2_[k * 256 + this->buffer_[--pos]];
data |= this->glut_[k * 256 + this->buffer_[--pos]];
GPIO.out_w1ts = data | clock;
GPIO.out_w1tc = data_mask | clock;
}
GPIO.out_w1ts = send;
GPIO.out_w1tc = get_data_pin_mask_() | clock;
GPIO.out_w1ts = clock;
GPIO.out_w1tc = data_mask | clock;
vscan_end_();
}
delayMicroseconds(230);
}
clean_fast_(2, 1);
clean_fast_(3, 1);
vscan_start_();
eink_off_();
ESP_LOGV(TAG, "Display3b finished (%ums)", millis() - start_time);
}
bool Inkplate6::partial_update_() {
ESP_LOGV(TAG, "Partial update called");
uint32_t start_time = millis();
@@ -432,16 +501,15 @@ bool Inkplate6::partial_update_() {
this->partial_updates_++;
uint16_t pos = this->get_buffer_length_() - 1;
uint32_t send;
uint32_t pos = this->get_buffer_length_() - 1;
uint8_t data;
uint8_t diffw, diffb;
uint32_t n = (this->get_buffer_length_() * 2) - 1;
for (int i = 0, im = this->get_height_internal(); i < im; i++) {
for (int j = 0, jm = (this->get_width_internal() / 8); j < jm; j++) {
diffw = (this->buffer_[pos] ^ this->partial_buffer_[pos]) & ~(this->partial_buffer_[pos]);
diffb = (this->buffer_[pos] ^ this->partial_buffer_[pos]) & this->partial_buffer_[pos];
diffw = this->buffer_[pos] & ~(this->partial_buffer_[pos]);
diffb = ~(this->buffer_[pos]) & this->partial_buffer_[pos];
pos--;
this->partial_buffer_2_[n--] = LUTW[diffw >> 4] & LUTB[diffb >> 4];
this->partial_buffer_2_[n--] = LUTW[diffw & 0x0F] & LUTB[diffb & 0x0F];
@@ -451,23 +519,20 @@ bool Inkplate6::partial_update_() {
eink_on_();
uint32_t clock = (1 << this->cl_pin_->get_pin());
uint32_t data_mask = this->get_data_pin_mask_();
for (int k = 0; k < 5; k++) {
vscan_start_();
const uint8_t *data_ptr = &this->partial_buffer_2_[(this->get_buffer_length_() * 2) - 1];
for (int i = 0; i < this->get_height_internal(); i++) {
data = *(data_ptr--);
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25);
hscan_start_(send);
hscan_start_(this->pin_lut_[data]);
for (int j = 0, jm = (this->get_width_internal() / 4) - 1; j < jm; j++) {
data = *(data_ptr--);
send = ((data & 0b00000011) << 4) | (((data & 0b00001100) >> 2) << 18) | (((data & 0b00010000) >> 4) << 23) |
(((data & 0b11100000) >> 5) << 25) | clock;
GPIO.out_w1ts = send;
GPIO.out_w1tc = send;
GPIO.out_w1ts = this->pin_lut_[data] | clock;
GPIO.out_w1tc = data_mask | clock;
}
GPIO.out_w1ts = send;
GPIO.out_w1tc = get_data_pin_mask_() | clock;
GPIO.out_w1ts = clock;
GPIO.out_w1tc = data_mask | clock;
vscan_end_();
}
delayMicroseconds(230);
@@ -482,6 +547,7 @@ bool Inkplate6::partial_update_() {
ESP_LOGV(TAG, "Partial update finished (%ums)", millis() - start_time);
return true;
}
void Inkplate6::vscan_start_() {
this->ckv_pin_->digital_write(true);
delayMicroseconds(7);
@@ -505,30 +571,23 @@ void Inkplate6::vscan_start_() {
delayMicroseconds(0);
this->ckv_pin_->digital_write(true);
}
void Inkplate6::vscan_write_() {
this->ckv_pin_->digital_write(false);
this->le_pin_->digital_write(true);
this->le_pin_->digital_write(false);
delayMicroseconds(0);
void Inkplate6::hscan_start_(uint32_t d) {
uint8_t clock = (1 << this->cl_pin_->get_pin());
this->sph_pin_->digital_write(false);
this->cl_pin_->digital_write(true);
this->cl_pin_->digital_write(false);
GPIO.out_w1ts = d | clock;
GPIO.out_w1tc = this->get_data_pin_mask_() | clock;
this->sph_pin_->digital_write(true);
this->ckv_pin_->digital_write(true);
}
void Inkplate6::hscan_start_(uint32_t d) {
this->sph_pin_->digital_write(false);
GPIO.out_w1ts = (d) | (1 << this->cl_pin_->get_pin());
GPIO.out_w1tc = get_data_pin_mask_() | (1 << this->cl_pin_->get_pin());
this->sph_pin_->digital_write(true);
}
void Inkplate6::vscan_end_() {
this->ckv_pin_->digital_write(false);
this->le_pin_->digital_write(true);
this->le_pin_->digital_write(false);
delayMicroseconds(1);
this->ckv_pin_->digital_write(true);
delayMicroseconds(0);
}
void Inkplate6::clean() {
ESP_LOGV(TAG, "Clean called");
uint32_t start_time = millis();
@@ -542,6 +601,7 @@ void Inkplate6::clean() {
clean_fast_(1, 10); // White to White
ESP_LOGV(TAG, "Clean finished (%ums)", millis() - start_time);
}
void Inkplate6::clean_fast_(uint8_t c, uint8_t rep) {
ESP_LOGV(TAG, "Clean fast called with: (%d, %d)", c, rep);
uint32_t start_time = millis();
@@ -568,14 +628,14 @@ void Inkplate6::clean_fast_(uint8_t c, uint8_t rep) {
hscan_start_(send);
GPIO.out_w1ts = send | clock;
GPIO.out_w1tc = clock;
for (int j = 0, jm = this->get_width_internal() / 8; j < jm; j++) {
for (int j = 0; j < (this->get_width_internal() / 8) - 1; j++) {
GPIO.out_w1ts = clock;
GPIO.out_w1tc = clock;
GPIO.out_w1ts = clock;
GPIO.out_w1tc = clock;
}
GPIO.out_w1ts = clock;
GPIO.out_w1tc = get_data_pin_mask_() | clock;
GPIO.out_w1ts = send | clock;
GPIO.out_w1tc = clock;
vscan_end_();
}
delayMicroseconds(230);
@@ -583,7 +643,10 @@ void Inkplate6::clean_fast_(uint8_t c, uint8_t rep) {
}
ESP_LOGV(TAG, "Clean fast finished (%ums)", millis() - start_time);
}
void Inkplate6::pins_z_state_() {
this->cl_pin_->pin_mode(gpio::FLAG_INPUT);
this->le_pin_->pin_mode(gpio::FLAG_INPUT);
this->ckv_pin_->pin_mode(gpio::FLAG_INPUT);
this->sph_pin_->pin_mode(gpio::FLAG_INPUT);
@@ -600,7 +663,10 @@ void Inkplate6::pins_z_state_() {
this->display_data_6_pin_->pin_mode(gpio::FLAG_INPUT);
this->display_data_7_pin_->pin_mode(gpio::FLAG_INPUT);
}
void Inkplate6::pins_as_outputs_() {
this->cl_pin_->pin_mode(gpio::FLAG_OUTPUT);
this->le_pin_->pin_mode(gpio::FLAG_OUTPUT);
this->ckv_pin_->pin_mode(gpio::FLAG_OUTPUT);
this->sph_pin_->pin_mode(gpio::FLAG_OUTPUT);