Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Use lv_canvas to draw lsa bar instead of lv_bar #84

Merged
merged 1 commit into from
Jan 17, 2023
Merged

Use lv_canvas to draw lsa bar instead of lv_bar #84

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
58 changes: 40 additions & 18 deletions src/oled.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -337,28 +337,50 @@ esp_err_t display_lsa(line_sensor_array readings)
// Clear the screen
lv_obj_clean(lv_scr_act());

static lv_style_t style;
lv_style_init(&style);
lv_style_set_bg_opa(&style, LV_OPA_COVER);
lv_style_set_bg_color(&style, lv_color_black());
static lv_color_t cbuf[LV_CANVAS_BUF_SIZE_INDEXED_1BIT(128, 64)];
lv_obj_t *canvas = lv_canvas_create(lv_scr_act());
lv_canvas_set_buffer(canvas, cbuf, 128, 64, LV_IMG_CF_INDEXED_1BIT);
lv_canvas_set_palette(canvas, 0, lv_color_white());
lv_canvas_set_palette(canvas, 1, lv_color_black());

static lv_style_t style_outline;
lv_style_init(&style_outline);
lv_style_set_outline_opa(&style_outline, LV_OPA_COVER);
lv_style_set_outline_width(&style_outline, 2);
lv_style_set_outline_color(&style_outline, lv_color_black());
lv_color_t c0;
lv_color_t c1;

lv_obj_t *lsa_readings[5];
c0.full = 0;
c1.full = 1;

// plot the bar of LSA 0-4
for (int i = 0; i < 5; i++)
for (uint32_t i = 0; i < 5; i++)
{
lsa_readings[i] = lv_bar_create(lv_scr_act());
lv_obj_set_size(lsa_readings[i], 10, 50);
lv_obj_set_pos(lsa_readings[i], (18 + i * 20), 0);
lv_bar_set_value(lsa_readings[i], readings.adc_reading[4-i] * 0.1, LV_ANIM_OFF);
lv_obj_add_style(lsa_readings[i], &style_outline, LV_PART_MAIN);
lv_obj_add_style(lsa_readings[i], &style, LV_PART_INDICATOR);
// Horizontal Border of Bar
for (uint32_t x = 18 + i * 20; x < 28 + i * 20; x++)
{
lv_canvas_set_px_color(canvas, x, 2, c1);
lv_canvas_set_px_color(canvas, x, 52, c1);
}
// Vertical Border of Bar
for (uint32_t y = 2; y < 53; y++)
{
lv_canvas_set_px_color(canvas, 18 + i * 20, y, c1);
lv_canvas_set_px_color(canvas, 28 + i * 20, y, c1);
}

// Reset Bar to Black
for (uint32_t a = 51; a > 2; a--)
{
for (uint32_t b = 19 + i * 20; b < 28 + i * 20; b++)
{
lv_canvas_set_px_color(canvas, b, a, c0);
}
}

// Set Bar value according to LSA
for (uint32_t a = 52; a > 100 - (int)(readings.adc_reading[4 - i] * 0.1); a--)
{
for (uint32_t b = 19 + i * 20; b < 28 + i * 20; b++)
{
lv_canvas_set_px_color(canvas, b, a, c1);
}
}
}

// Refresh Display
Expand Down