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touch with abtraction working, SD is not working

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This commit is contained in:
Adolfo Reyna
2026-01-28 23:23:49 -05:00
parent adfbef7228
commit d19a2ca639
13 changed files with 756 additions and 209 deletions
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15
lib/st7796/st7796.c
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@@ -112,7 +112,8 @@
// Global state variables
// These hold the current display configuration
static const struct st7796_config *config; // Pin and SPI configuration
static struct st7796_config config_storage; // Static storage for config copy
static const struct st7796_config *config; // Pin and SPI configuration
static uint16_t width; // Display width in pixels (e.g., 480)
static uint16_t height; // Display height in pixels (e.g., 320)
static uint16_t x_offset; // X offset for display alignment (currently 0)
@@ -321,7 +322,9 @@ static void set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
* @param h Display height (320 for landscape)
*/
void st7796_init(const struct st7796_config *c, uint16_t w, uint16_t h) {
config = c;
// Copy config to static storage to avoid dangling pointer
memcpy(&config_storage, c, sizeof(struct st7796_config));
config = &config_storage;
width = w;
height = h;
@@ -401,10 +404,10 @@ void st7796_init(const struct st7796_config *c, uint16_t w, uint16_t h) {
write_command_with_data(ST7796_MADCTL, &data, 1);
sleep_ms(10);
// Display Inversion - try OFF first
// Some displays look better with INVON, others with INVOFF
// If colors look wrong, try: write_command(ST7796_INVON);
write_command(ST7796_INVOFF);
// Display Inversion - try ON for displays that need it
// Some displays need INVON, others need INVOFF
// If this doesn't work, try: write_command(ST7796_INVOFF);
write_command(ST7796_INVON);
sleep_ms(10);
// Normal Display Mode On