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Screen changed to landscape, #define to configure screen to landscape or portrait.

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This commit is contained in:
Ricardo LAP
2026-09-13 21:56:13 +00:00
parent c54c68c899
commit 08475c435c
1856 changed files with 30891 additions and 32817 deletions
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1
main/idf_component.yml
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@@ -1,5 +1,4 @@
dependencies:
idf: ">=5.2"
espressif/esp_lvgl_port: "^2"
espressif/esp_lcd_ili9341: "^2"
atanisoft/esp_lcd_touch_xpt2046: "^1"

85
main/main.c
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@@ -6,7 +6,6 @@
* dependencies:
* idf: ">=5.2"
* espressif/esp_lvgl_port: "^2"
* espressif/esp_lcd_ili9341: "^1"
* atanisoft/esp_lcd_touch_xpt2046: "^1"
*
* main/CMakeLists.txt:
@@ -29,7 +28,7 @@
static const char *TAG = "cyd";
/* ---- Display: ILI9341 on SPI2 (HSPI) ---- */
/* ---- Display: ST7789 on SPI2 (HSPI) ---- */
#define LCD_HOST SPI2_HOST
#define PIN_LCD_SCLK 14
#define PIN_LCD_MOSI 13
@@ -45,20 +44,53 @@ static const char *TAG = "cyd";
#define PIN_TP_MOSI 32
#define PIN_TP_MISO 39 /* input-only pin, fine for MISO */
#define PIN_TP_CS 33
#define PIN_TP_IRQ 36 /* input-only pin */
#define PIN_TP_IRQ 36 /* input-only pin, unused: we poll */
/* Native panel geometry. The ST7789 GRAM is always 240x320; landscape comes
* from MADCTL, not from changing these. */
#define PANEL_H_RES 240
#define PANEL_V_RES 320
/* 1 = landscape (320x240), 0 = portrait (240x320). This switch has to drive
* the LVGL canvas size, the panel MADCTL and the touch axis mapping together,
* or touch coordinates land in a different space than the pixels. */
#define LCD_LANDSCAPE 1
#if LCD_LANDSCAPE
#define LCD_H_RES PANEL_V_RES /* 320 */
#define LCD_V_RES PANEL_H_RES /* 240 */
#else
#define LCD_H_RES PANEL_H_RES /* 240 */
#define LCD_V_RES PANEL_V_RES /* 320 */
#endif
/* Panel MADCTL transform. */
#define DISP_SWAP_XY (LCD_LANDSCAPE ? true : false)
#define DISP_MIRROR_X (LCD_LANDSCAPE ? true : false)
#define DISP_MIRROR_Y false
/* Touch transform, tuned by eye -- the resistive film is glued on independently
* of the controller's MADCTL. Mind the order: esp_lcd_touch mirrors in
* panel-native space and swaps last, so with TP_SWAP_XY set the flags come out
* crossed: TP_MIRROR_Y flips the reported x, TP_MIRROR_X flips reported y.
*
* Verified on this board: corner taps TL/TR/BR/BL read (28,25) (285,22)
* (284,213) (22,210). The film stops responding ~25 px in from every edge, so
* the extreme corners are unreachable -- avoid edge-hugging widgets. */
#define TP_SWAP_XY 1
#define TP_MIRROR_X 0
#define TP_MIRROR_Y 0
#define LCD_H_RES 240
#define LCD_V_RES 320
#define LCD_CMD_BITS 8
#define LCD_PARAM_BITS 8
#define LCD_PIXEL_CLOCK_HZ (40 * 1000 * 1000)
/* XPT2046 is slow — datasheet max is ~2.5 MHz. Going faster gives
/* XPT2046 is slow -- datasheet max is ~2.5 MHz. Going faster gives
* garbage coordinates that look like random taps. */
#define TOUCH_CLOCK_HZ (2 * 1000 * 1000)
/* Partial draw buffer. No PSRAM on this board, so keep it modest:
* 240 * 40 * 2 bytes = 19.2 KB per buffer, doubled = 38.4 KB. */
* 320 * 40 * 2 bytes = 25.6 KB per buffer, doubled = 51.2 KB. */
#define LVGL_BUF_LINES 40
static esp_lcd_panel_handle_t s_panel = NULL;
@@ -66,6 +98,7 @@ static esp_lcd_panel_io_handle_t s_panel_io = NULL;
static esp_lcd_touch_handle_t s_touch = NULL;
static lv_display_t *s_disp = NULL;
static lv_indev_t *s_indev = NULL;
static lv_obj_t *s_temp_label = NULL;
static void backlight_init(void)
{
@@ -134,15 +167,18 @@ static void touch_init(void)
ESP_ERROR_CHECK(esp_lcd_new_panel_io_spi(
(esp_lcd_spi_bus_handle_t)TOUCH_HOST, &tp_io_cfg, &tp_io));
/* x_max/y_max are the *pre-swap* extents: the driver scales the raw ADC
* against them and mirrors against them, and only then does esp_lcd_touch
* swap the axes. So they stay panel-native regardless of LCD_LANDSCAPE. */
const esp_lcd_touch_config_t tp_cfg = {
.x_max = LCD_H_RES,
.y_max = LCD_V_RES,
.x_max = PANEL_H_RES,
.y_max = PANEL_V_RES,
.rst_gpio_num = GPIO_NUM_NC,
.int_gpio_num = GPIO_NUM_NC,
.flags = {
.swap_xy = 0,
.mirror_x = 1,
.mirror_y = 0,
.swap_xy = TP_SWAP_XY,
.mirror_x = TP_MIRROR_X,
.mirror_y = TP_MIRROR_Y,
},
};
ESP_ERROR_CHECK(esp_lcd_touch_new_spi_xpt2046(tp_io, &tp_cfg, &s_touch));
@@ -162,9 +198,9 @@ static void lvgl_init(void)
.vres = LCD_V_RES,
.monochrome = false,
.rotation = {
.swap_xy = false,
.mirror_x = false,
.mirror_y = false,
.swap_xy = DISP_SWAP_XY,
.mirror_x = DISP_MIRROR_X,
.mirror_y = DISP_MIRROR_Y,
},
.flags = {
.buff_dma = true,
@@ -179,6 +215,12 @@ static void lvgl_init(void)
s_indev = lvgl_port_add_touch(&touch_cfg);
}
static void arc_changed_cb(lv_event_t *e)
{
lv_obj_t *arc = lv_event_get_target(e);
lv_label_set_text_fmt(s_temp_label, "%d \xC2\xB0""C", (int)lv_arc_get_value(arc));
}
static void build_ui(void)
{
/* Any LVGL call from outside the port task must be locked. */
@@ -190,18 +232,19 @@ static void build_ui(void)
lv_obj_t *scr = lv_screen_active();
lv_obj_t *label = lv_label_create(scr);
lv_label_set_text(label, "Reflow Plate");
lv_obj_align(label, LV_ALIGN_TOP_MID, 0, 20);
lv_label_set_text(label, "Reflow Plate V0.1");
lv_obj_align(label, LV_ALIGN_TOP_MID, 0, 8);
lv_obj_t *arc = lv_arc_create(scr);
lv_obj_set_size(arc, 180, 180);
lv_obj_set_size(arc, 160, 160);
lv_arc_set_range(arc, 0, 260);
lv_arc_set_value(arc, 25);
lv_obj_center(arc);
lv_obj_add_event_cb(arc, arc_changed_cb, LV_EVENT_VALUE_CHANGED, NULL);
lv_obj_t *temp = lv_label_create(scr);
lv_label_set_text(temp, "25 \xC2\xB0""C");
lv_obj_center(temp);
s_temp_label = lv_label_create(scr);
lv_label_set_text(s_temp_label, "25 \xC2\xB0""C");
lv_obj_center(s_temp_label);
lvgl_port_unlock();
}