drath/esp-st7290
1
0
Fork 0
Code Issues Pull Requests Actions Projects Releases Wiki Activity

update for new gfx lib

Browse Source
This commit is contained in:
Drath Vader
2026-08-27 13:42:07 +02:00
parent 9f96d7d100
commit 4d32b00b7a
1 changed files with 10 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
st7920.c
View File

@@ -104,7 +104,10 @@ esp_err_t st7920_init(const st7920_config_t *config, st7920_device_t *device) {
return ESP_OK;
}
esp_err_t st7920_clear(st7920_device_t *dev) {
esp_err_t st7920_clear(void *p) {
st7920_device_t* dev = (st7920_device_t*)p;
memset(dev->framebuffer, 0, sizeof(dev->framebuffer));
// Clear display RAM
@@ -120,7 +123,8 @@ esp_err_t st7920_set_backlight(const st7920_device_t *dev, const bool backlight)
return gpio_set_level(dev->pin_bl, backlight);
}
esp_err_t st7920_update_screen(const st7920_device_t *dev) {
esp_err_t st7920_update_screen(const void *p) {
const st7920_device_t* dev = (st7920_device_t*)p;
// ST7920 is actually two 128x32 disps, we send row by row to each of them
for (uint8_t y = 0; y < 64; y++) {
const bool upper_half = y < 32;
@@ -147,10 +151,12 @@ static void st7920_set_pixel_color(st7920_device_t *dev, const uint8_t x, const
dev->framebuffer[byte_index] &= ~(1 << bit_index);
}
void st7920_draw_pixel(void *dev, const uint8_t x, const uint8_t y) {
esp_err_t st7920_draw_pixel(void *dev, const uint8_t x, const uint8_t y) {
st7920_set_pixel_color(dev, x, y, 1);
return ESP_OK;
}
void st7920_clear_pixel(void *dev, const uint8_t x, const uint8_t y) {
esp_err_t st7920_clear_pixel(void *dev, const uint8_t x, const uint8_t y) {
st7920_set_pixel_color(dev, x, y, 0);
return ESP_OK;
}