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Add support for Pico-ResTouch-LCD-3.5 to ili9xxx driver (#6129)

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* Working version of Waveshare 3.5 Res Touch driver.

* Default color order BGR
This commit is contained in:
Clyde Stubbs
2024-01-24 07:40:16 +11:00
committed by GitHub
parent 4812997429
commit 23071e932a
4 changed files with 94 additions and 70 deletions
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esphome/components/ili9xxx/ili9xxx_display.h
+46 -6
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@@ -8,6 +8,7 @@
namespace esphome {
namespace ili9xxx {
static const char *const TAG = "ili9xxx";
const size_t ILI9XXX_TRANSFER_BUFFER_SIZE = 126; // ensure this is divisible by 6
enum ILI9XXXColorMode {
@@ -32,6 +33,7 @@ class ILI9XXXDisplay : public display::DisplayBuffer,
while ((cmd = *addr++) != 0) {
num_args = *addr++ & 0x7F;
bits = *addr;
esph_log_d(TAG, "Command %02X, length %d, bits %02X", cmd, num_args, bits);
switch (cmd) {
case ILI9XXX_MADCTL: {
this->swap_xy_ = (bits & MADCTL_MV) != 0;
@@ -68,10 +70,9 @@ class ILI9XXXDisplay : public display::DisplayBuffer,
this->offset_y_ = offset_y;
}
void invert_colors(bool invert);
void command(uint8_t value);
void data(uint8_t value);
virtual void command(uint8_t value);
virtual void data(uint8_t value);
void send_command(uint8_t command_byte, const uint8_t *data_bytes, uint8_t num_data_bytes);
uint8_t read_command(uint8_t command_byte, uint8_t index);
void set_color_order(display::ColorOrder color_order) { this->color_order_ = color_order; }
void set_swap_xy(bool swap_xy) { this->swap_xy_ = swap_xy; }
void set_mirror_x(bool mirror_x) { this->mirror_x_ = mirror_x; }
@@ -92,6 +93,7 @@ class ILI9XXXDisplay : public display::DisplayBuffer,
void draw_absolute_pixel_internal(int x, int y, Color color) override;
void setup_pins_();
virtual void set_madctl();
void display_();
void init_lcd_();
void set_addr_window_(uint16_t x, uint16_t y, uint16_t x2, uint16_t y2);
@@ -127,7 +129,7 @@ class ILI9XXXDisplay : public display::DisplayBuffer,
bool need_update_ = false;
bool is_18bitdisplay_ = false;
bool pre_invertcolors_ = false;
display::ColorOrder color_order_{};
display::ColorOrder color_order_{display::COLOR_ORDER_BGR};
bool swap_xy_{};
bool mirror_x_{};
bool mirror_y_{};
@@ -181,10 +183,48 @@ class ILI9XXXILI9486 : public ILI9XXXDisplay {
ILI9XXXILI9486() : ILI9XXXDisplay(INITCMD_ILI9486, 480, 320, false) {}
};
//----------- ILI9XXX_35_TFT rotated display --------------
class ILI9XXXILI9488 : public ILI9XXXDisplay {
public:
ILI9XXXILI9488() : ILI9XXXDisplay(INITCMD_ILI9488, 480, 320, true) {}
ILI9XXXILI9488(const uint8_t *seq = INITCMD_ILI9488) : ILI9XXXDisplay(seq, 480, 320, true) {}
protected:
void set_madctl() override {
uint8_t mad = this->color_order_ == display::COLOR_ORDER_BGR ? MADCTL_BGR : MADCTL_RGB;
uint8_t dfun = 0x22;
this->width_ = 320;
this->height_ = 480;
if (!(this->swap_xy_ || this->mirror_x_ || this->mirror_y_)) {
// no transforms
} else if (this->mirror_y_ && this->mirror_x_) {
// rotate 180
dfun = 0x42;
} else if (this->swap_xy_) {
this->width_ = 480;
this->height_ = 320;
mad |= 0x20;
if (this->mirror_x_) {
dfun = 0x02;
} else {
dfun = 0x62;
}
}
this->command(ILI9XXX_DFUNCTR);
this->data(0);
this->data(dfun);
this->command(ILI9XXX_MADCTL);
this->data(mad);
}
};
//----------- Waveshare 3.5 Res Touch - ILI9488 interfaced via 16 bit shift register to parallel */
class WAVESHARERES35 : public ILI9XXXILI9488 {
public:
WAVESHARERES35() : ILI9XXXILI9488(INITCMD_WAVESHARE_RES_3_5) {}
void data(uint8_t value) override {
this->start_data_();
this->write_byte(0);
this->write_byte(value);
this->end_data_();
}
};
//----------- ILI9XXX_35_TFT origin colors rotated display --------------