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Neil 2024-03-16 13:46:32 +01:00 committed by NeilSCGH
parent 208edf543a
commit a4e9dfd4bf
2 changed files with 16 additions and 16 deletions
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30
esphome/components/waveshare_epaper/waveshare_epaper.cpp
View file

@ -187,9 +187,9 @@ void WaveshareEPaper7C::init_internal_(uint32_t buffer_length) {
this->buffers_[i] = allocator.allocate(small_buffer_length);
if (this->buffers_[i] == nullptr) {
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;
for (auto & buffer : this->buffers_) {
allocator.deallocate(buffer, small_buffer_length);
buffer = nullptr;
}
return;
}
@ -229,15 +229,15 @@ void WaveshareEPaper7C::fill(Color color) {
ESP_LOGE(TAG, "Buffer unavailable!");
} else {
uint32_t small_buffer_length = this->get_buffer_length_() / NUM_BUFFERS;
for (int buffer_index = 0; buffer_index < NUM_BUFFERS; buffer_index++) {
for (auto & buffer : this->buffers_) {
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] =
buffer[buffer_pos + 0] = pixel_color << 5 | pixel_color << 2 | pixel_color >> 1;
buffer[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;
buffer[buffer_pos + 2] = pixel_color << 6 | pixel_color << 3 | pixel_color << 0;
}
App.feed_wdt();
}
@ -2615,24 +2615,24 @@ void HOT WaveshareEPaper7P3InF::display() {
this->command(0x10);
uint32_t small_buffer_length = this->get_buffer_length_() / NUM_BUFFERS;
uint8_t byte_to_send;
for (int buffer_index = 0; buffer_index < NUM_BUFFERS; buffer_index++) {
for (auto & buffer : this->buffers_) {
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;
std::bitset<24> triplet = buffer[buffer_pos + 0] << 16 |
buffer[buffer_pos + 1] << 8 |
buffer[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;
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;
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;
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;
byte_to_send = ((triplet << 1).to_ulong() & 0b01110000) | ((triplet << 0).to_ulong() & 0b00000111);
this->data(byte_to_send);
}
App.feed_wdt();

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

@ -98,7 +98,7 @@ class WaveshareEPaper7C : public WaveshareEPaperBase {
protected:
void draw_absolute_pixel_internal(int x, int y, Color color) override;
uint32_t get_buffer_length_() override;
void init_internal_(uint32_t buffer_length);
void init_internal_(uint32_t buffer_length) override;
static const int NUM_BUFFERS = 10;
uint8_t *buffers_[NUM_BUFFERS];