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Bugfixes, buffers optimization

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Neil 2024-03-15 20:04:56 +01:00 committed by NeilSCGH
parent e9a784b3c8
commit 7a4a41b417
2 changed files with 95 additions and 123 deletions
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205
esphome/components/waveshare_epaper/waveshare_epaper.cpp
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@ -3,6 +3,7 @@
#include "esphome/core/application.h"
#include "esphome/core/helpers.h"
#include <cinttypes>
#include <bitset>
namespace esphome {
namespace waveshare_epaper {
@ -111,7 +112,6 @@ static const uint8_t PARTIAL_UPD_2IN9_LUT[PARTIAL_UPD_2IN9_LUT_SIZE] =
// clang-format on
void WaveshareEPaperBase::setup_pins_() {
ESP_LOGI(TAG, "Will create buffer of size: %d", this->get_buffer_length_());//debug
this->init_internal_(this->get_buffer_length_());
this->dc_pin_->setup(); // OUTPUT
this->dc_pin_->digital_write(false);
@ -174,62 +174,35 @@ void WaveshareEPaper::fill(Color color) {
for (uint32_t i = 0; i < this->get_buffer_length_(); i++)
this->buffer_[i] = fill;
}
void WaveshareEPaper7C::init_internal_(uint32_t buffer_length) {
ESP_LOGI(TAG, "Buffer n°0 points to: %d", this->buffers_[0]);//debug
ESP_LOGI(TAG, "EXEC CUSTOM WaveshareEPaper7C::init_internal_, creating splitted buffer");//debug
for (int i = 0; i < NUM_BUFFERS; i++)
this->buffers_[i] = nullptr;
ESP_LOGI(TAG, "Available ram before allocation: %d", heap_caps_get_free_size(MALLOC_CAP_INTERNAL));//debug
//Same as DisplayBuffer::init_internal_, but here we split the buffer because of heap fragmentation
void WaveshareEPaper7C::init_internal_(uint32_t buffer_length) {
if (heap_caps_get_free_size(MALLOC_CAP_INTERNAL) < buffer_length){
ESP_LOGE(TAG, "Could not allocate buffers, not enough ram!");
return;
}
//return;//debug
ExternalRAMAllocator<uint8_t> allocator(ExternalRAMAllocator<uint8_t>::ALLOW_FAILURE);
//ExternalRAMAllocator<uint8_t> allocator;//test debug
uint32_t small_buffer_length = buffer_length / NUM_BUFFERS;
ESP_LOGI(TAG, "We want %d buffers of size %d", NUM_BUFFERS, small_buffer_length);//debug
for (int i = 0; i < NUM_BUFFERS; i++)
this->buffers_[i] = nullptr;
ESP_LOGI(TAG, "Buffer n°0 points to: %d", this->buffers_[0]);//debug
uint8_t * tmp = nullptr;
for (int i = 0; i < NUM_BUFFERS; i++) {
ESP_LOGI(TAG, "");//debug
ESP_LOGI(TAG, "Available ram: %d", heap_caps_get_free_size(MALLOC_CAP_INTERNAL));//debug
ESP_LOGI(TAG, "Biggest block: %d", heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL));//debug
ESP_LOGI(TAG, "Wanted alloc: %d", small_buffer_length);//debug
this->buffers_[i] = allocator.allocate(small_buffer_length);
if (this->buffers_[i] == nullptr) {
ESP_LOGE(TAG, "Could not allocate buffer %d for display!", NUM_BUFFERS);
ESP_LOGI(TAG, "Biggest block was: %d", heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL));//debug
//TODO : desallocate before setting to nullptr
ESP_LOGE(TAG, "Deleting all buffers");//debug
for (int k = 0; k < NUM_BUFFERS; k++)
ESP_LOGE(TAG, "Could not allocate buffer %d for display!", i);
for (int k = 0; k < NUM_BUFFERS; k++){
allocator.deallocate(this->buffers_[k], small_buffer_length);
this->buffers_[k] = nullptr;
ESP_LOGI(TAG, "Buffer n°0 points to: %d", this->buffers_[0]);//debug, should be null
}
return;
}
ESP_LOGI(TAG, "Buffer n°%d points to: %d", i, this->buffers_[i]);//debug
}
ESP_LOGI(TAG, "init_internal_ : %d buffers allocated with success", NUM_BUFFERS);//debug
ESP_LOGI(TAG, "Available ram after allocation: %d", heap_caps_get_free_size(MALLOC_CAP_INTERNAL));//debug
this->clear();
}
uint8_t WaveshareEPaper7C::color_to_hex(Color color) {
uint8_t hex_code;
if (((color.red < 127) && (color.green < 127) && (color.blue < 127))) {
if (!color.is_on()) {
hex_code = 0x1; //White background by default
} else if (((color.red < 127) && (color.green < 127) && (color.blue < 127))) {
hex_code = 0x0; //Black
} else if (((color.red > 127) && (color.green > 127) && (color.blue > 127))) {
hex_code = 0x1; //White
@ -249,42 +222,31 @@ uint8_t WaveshareEPaper7C::color_to_hex(Color color) {
return hex_code;
}
void WaveshareEPaper7C::fill(Color color) {
ESP_LOGI(TAG, "EXEC WaveshareEPaper7C::fill");
ESP_LOGI(TAG, "this->get_width_internal() : %d", this->get_width_internal());
ESP_LOGI(TAG, "this->get_height_internal() : %d", this->get_height_internal());
ESP_LOGI(TAG, "this->get_buffer_length_() : %d", this->get_buffer_length_());
return;//debug
uint8_t fill;
if (!color.is_on()) {
fill = 0x11; //White background by default
}
else{
uint8_t hex_color = this->color_to_hex(color);
fill = (hex_color << 4) | hex_color;
ESP_LOGI(TAG, "Color: (%d,%d,%d) converted to 0x%X", color.red, color.green, color.blue, fill);
}
ESP_LOGI(TAG, "Check buffers");//debug
uint8_t pixel_color = this->color_to_hex(color);
if (this->buffers_ == nullptr) {
ESP_LOGE(TAG, "Buffer unavailable!");
}
else{
uint32_t small_buffer_length = this->get_buffer_length_() / NUM_BUFFERS;
ESP_LOGI(TAG, "small_buffer_length : %d",small_buffer_length);//debug
for (int buffer_index = 0; buffer_index < NUM_BUFFERS; buffer_index++) {
ESP_LOGI(TAG, "Buffer n°%d points to: %d", buffer_index, this->buffers_[buffer_index]);//debug
for (uint32_t buffer_pos = 0; buffer_pos < small_buffer_length; buffer_pos++) {
this->buffers_[buffer_index][buffer_pos] = fill;
if (buffer_pos<5){
ESP_LOGI(TAG, "Buffer n°%d pos %d points to: %d, value is 0x%X", buffer_index, buffer_pos, &(this->buffers_[buffer_index][buffer_pos]), fill);//debug
}
for (uint32_t buffer_pos = 0; buffer_pos < small_buffer_length; buffer_pos+=3) {
// We store 8 bitset<3> in 3 bytes
// | byte 1 | byte 2 | byte 3 |
// |aaabbbaa|abbbaaab|bbaaabbb|
this->buffers_[buffer_index][buffer_pos+0] = pixel_color << 5
| pixel_color << 2
| pixel_color >> 1;
this->buffers_[buffer_index][buffer_pos+1] = pixel_color << 7
| pixel_color << 4
| pixel_color << 1
| pixel_color >> 2;
this->buffers_[buffer_index][buffer_pos+2] = pixel_color << 6
| pixel_color << 3
| pixel_color << 0;
}
App.feed_wdt();
ESP_LOGI(TAG, "ok");//debug
}
}
ESP_LOGI(TAG, "fill done");//debug
}
void HOT WaveshareEPaper::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)
@ -307,8 +269,8 @@ uint32_t WaveshareEPaperBWR::get_buffer_length_() {
return this->get_width_controller() * this->get_height_internal() / 4u;
} // black and red buffer
uint32_t WaveshareEPaper7C::get_buffer_length_() {
return this->get_width_controller() * this->get_height_internal() / 3u;//2u make wifi crash, 3u is ok
} // 7 colors buffer
return this->get_width_controller() * this->get_height_internal() / 8u * 3u;
} // 7 colors buffer, 1 pixel = 3 bits, we will store 8 pixels in 24 bits = 3 bytes
void WaveshareEPaperBWR::fill(Color color) {
this->filled_rectangle(0, 0, this->get_width(), this->get_height(), color);
@ -336,36 +298,32 @@ void HOT WaveshareEPaperBWR::draw_absolute_pixel_internal(int x, int y, Color co
}
}
void HOT WaveshareEPaper7C::draw_absolute_pixel_internal(int x, int y, Color color) {
ESP_LOGI(TAG, "EXEC WaveshareEPaper7C::draw_absolute_pixel_internal");
return;//debug
if (x >= this->get_width_internal() || y >= this->get_height_internal() || x < 0 || y < 0)
return;
uint8_t hex_color = this->color_to_hex(color);
uint8_t pixel_bits = this->color_to_hex(color);
const uint32_t pos = (x + y * this->get_width_controller()) / 2u;
const uint8_t subpos = x % 2;
const uint32_t small_buffer_length = this->get_buffer_length_() / NUM_BUFFERS;
const uint32_t buffer_index = pos / small_buffer_length; //dividing integers = rounded down
const uint32_t buffer_pos = pos % small_buffer_length;
uint32_t small_buffer_length = this->get_buffer_length_() / NUM_BUFFERS;
uint32_t pixel_position = x + y * this->get_width_controller(); //xème pixel
uint32_t first_bit_position = pixel_position * 3; //xème bit (début du pixel)
uint32_t byte_position = first_bit_position / 8u;
uint32_t byte_subposition = first_bit_position % 8u;
uint32_t buffer_position = byte_position / small_buffer_length;
uint32_t buffer_subposition = byte_position % small_buffer_length;
if (this->buffers_ == nullptr) {
ESP_LOGE(TAG, "draw_absolute_pixel_internal, buffer unavailable 1");
return;
}
if (this->buffers_[buffer_index] == nullptr) {
ESP_LOGE(TAG, "draw_absolute_pixel_internal, buffer unavailable 2");
return;
}
if (this->buffers_[buffer_index][buffer_pos]) {
ESP_LOGE(TAG, "draw_absolute_pixel_internal, buffer unavailable 3");
return;
if (byte_subposition <= 5){
this->buffers_[buffer_position][buffer_subposition] =
(this->buffers_[buffer_position][buffer_subposition] & (0xFF ^ (0b111 << (5 - byte_subposition))))
| (pixel_bits << (5 - byte_subposition));
}
else {
this->buffers_[buffer_position][buffer_subposition + 0] =
(this->buffers_[buffer_position][buffer_subposition + 0] & (0xFF ^ (0b111 >> (byte_subposition - 5))))
| (pixel_bits >> (byte_subposition - 5));
if (subpos == 0) { // Pixel on the left side of the byte
this->buffers_[buffer_index][buffer_pos] = (this->buffers_[buffer_index][buffer_pos] & 0x0F) | (hex_color << 4);
} else { // Pixel on the right side of the byte
this->buffers_[buffer_index][buffer_pos] = (this->buffers_[buffer_index][buffer_pos] & 0xF0) | hex_color;
this->buffers_[buffer_position][buffer_subposition + 1] =
(this->buffers_[buffer_position][buffer_subposition + 1] & (0xFF ^ (0xFF & (0b111 << (13 - byte_subposition)))))
| (pixel_bits << (13 - byte_subposition));
}
}
@ -2546,15 +2504,15 @@ void WaveshareEPaper7P5In::dump_config() {
LOG_UPDATE_INTERVAL(this);
}
void WaveshareEPaper7P3InF::initialize() {
ESP_LOGI(TAG, "initialize");
return;//debug
this->reset_();
delay(20);
if (this->buffers_ == nullptr) {
ESP_LOGE(TAG, "Buffer unavailable!");
return;
}
this->reset_();
delay(20);
this->wait_until_idle_();
// COMMAND CMDH
this->command(0xAA);
this->data(0x49);
@ -2649,42 +2607,48 @@ void WaveshareEPaper7P3InF::initialize() {
ESP_LOGI(TAG, "Display initialized successfully");
}
void HOT WaveshareEPaper7P3InF::display() {
ESP_LOGI(TAG, "EXEC DISPLAY");//debug
return;
if (this->buffers_ == nullptr) {
ESP_LOGE(TAG, "Buffer unavailable!");
return;
}
uint32_t buf_len = this->get_buffer_length_();
// WAKE UP FROM DEEP SLEEP
if (this->deep_sleep_between_updates_) {
ESP_LOGI(TAG, "Wake up the display from deep sleep");
this->reset_();
this->wait_until_idle_();
this->initialize();
}
// INITIALIZATION
ESP_LOGI(TAG, "Initialise the display");
this->initialize();
// COMMAND DATA START TRANSMISSION
ESP_LOGI(TAG, "Sending data to the display");
ESP_LOGI(TAG, "buf_len : %d", buf_len);//debug
this->command(0x10);
delay(2);
uint32_t small_buffer_length = this->get_buffer_length_() / NUM_BUFFERS;
ESP_LOGI(TAG, "small_buffer_length : %d",small_buffer_length);//debug
uint8_t byte_to_send;
for (int buffer_index = 0; buffer_index < NUM_BUFFERS; buffer_index++) {
ESP_LOGI(TAG, "Buffer n°%d points to: %d", buffer_index, this->buffers_[buffer_index]);//debug
for (uint32_t buffer_pos = 0; buffer_pos < small_buffer_length; buffer_pos++) {
//this->buffers_[buffer_index][buffer_pos] = 0x22;
this->data(this->buffers_[buffer_index][buffer_pos]);
if (buffer_pos<5){
ESP_LOGI(TAG, "Buffer n°%d pos %d points to: %d, value is 0x%X", buffer_index, buffer_pos, &(this->buffers_[buffer_index][buffer_pos]), this->buffers_[buffer_index][buffer_pos]);//debug
}
for (uint32_t buffer_pos = 0; buffer_pos < small_buffer_length; buffer_pos+=3) {
std::bitset<24> triplet = this->buffers_[buffer_index][buffer_pos+0] << 16
| this->buffers_[buffer_index][buffer_pos+1] << 8
| this->buffers_[buffer_index][buffer_pos+2] << 0;
// 8 bitset<3> are stored in 3 bytes
// |aaabbbaa|abbbaaab|bbaaabbb|
// | byte 1 | byte 2 | byte 3 |
byte_to_send = (triplet >> 17).to_ulong() & 0b01110000
| (triplet >> 18).to_ulong() & 0b00000111;
this->data(byte_to_send);
byte_to_send = (triplet >> 11).to_ulong() & 0b01110000
| (triplet >> 12).to_ulong() & 0b00000111;
this->data(byte_to_send);
byte_to_send = (triplet >> 5).to_ulong() & 0b01110000
| (triplet >> 6).to_ulong() & 0b00000111;
this->data(byte_to_send);
byte_to_send = (triplet << 1).to_ulong() & 0b01110000
| (triplet << 0).to_ulong() & 0b00000111;
this->data(byte_to_send);
}
App.feed_wdt();
ESP_LOGI(TAG, "ok");//debug
}
this->wait_until_idle_();
//this->wait_until_idle_();
// COMMAND POWER ON
ESP_LOGI(TAG, "Power on the display");
@ -2703,12 +2667,12 @@ void HOT WaveshareEPaper7P3InF::display() {
this->data(0x00);
this->wait_until_idle_();
ESP_LOGI(TAG, "Set the display to deep sleep");
ESP_LOGE(TAG, "GO TO DEEP SLEEP");
this->command(0x07);
this->data(0xA5);
if (this->deep_sleep_between_updates_) {
ESP_LOGI(TAG, "Set the display to deep sleep");
this->command(0x07);
this->data(0xA5);
}
//this->reset_();
}
int WaveshareEPaper7P3InF::get_width_internal() { return 800; }
int WaveshareEPaper7P3InF::get_height_internal() { return 480; }
@ -2723,22 +2687,19 @@ void WaveshareEPaper7P3InF::dump_config() {
}
bool WaveshareEPaper7P3InF::wait_until_idle_() {
ESP_LOGI(TAG, "wifi wait_until_idle_");//debug
return true;
if (this->busy_pin_ == nullptr) {
return true;
}
const uint32_t start = millis();
while (this->busy_pin_->digital_read()) {
if (millis() - start > this->idle_timeout_()) {
ESP_LOGI(TAG, "Timeout while displaying image!");
ESP_LOGE(TAG, "Timeout while displaying image!");
return false;
}
App.feed_wdt();
delay(10);
}
delay(200);
//ESP_LOGI(TAG, "Was in 7P3::wait_until_idle_() for %d ms", millis() - start);
return true;
}
bool WaveshareEPaper7P5InV2::wait_until_idle_() {

13
esphome/components/waveshare_epaper/waveshare_epaper.h
View file

@ -100,7 +100,7 @@ class WaveshareEPaper7C : public WaveshareEPaperBase {
uint32_t get_buffer_length_() override;
void init_internal_(uint32_t buffer_length);
static const int NUM_BUFFERS = 20;
static const int NUM_BUFFERS = 10;
uint8_t * buffers_[NUM_BUFFERS];
};
@ -574,6 +574,17 @@ class WaveshareEPaper7P3InF : public WaveshareEPaper7C {
bool wait_until_idle_();
bool deep_sleep_between_updates_{true};
void reset_() {
if (this->reset_pin_ != nullptr) {
this->reset_pin_->digital_write(true);
delay(20);
this->reset_pin_->digital_write(false);
delay(1);
this->reset_pin_->digital_write(true);
delay(20);
}
};
};
class WaveshareEPaper7P5In : public WaveshareEPaper {