zenermerps/lvgl_esp32_drivers
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Added PCD8544 to readme, addressed PR comments

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Matthias Ringwald 2021-11-18 08:58:04 +01:00 committed by Carlos Diaz
parent 37a4d3a4e6
commit f3f6ba6470
3 changed files with 27 additions and 24 deletions
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1
README.md
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@ -30,6 +30,7 @@ swap of RGB565 color on the LVGL configuration menuconfig (it's not handled auto
| RA8875 | TFT | SPI | 16: RGB565 | Yes |
| SH1107 | Monochrome | SPI | 1: 1byte per pixel | No |
| SSD1306 | Monochrome | I2C | 1: 1byte per pixel | No |
| PCD8544 | Monochrome | SPI | 1: 1byte per pixel | No |
| IL3820 | e-Paper | SPI | 1: 1byte per pixel | No |
| UC8151D/ GoodDisplay GDEW0154M10 DES | e-Paper | SPI | 1: 1byte per pixel | No |
| FitiPower JD79653A/ GoodDisplay GDEW0154M09 | e-Paper | SPI | 1: 1byte per pixel | No |

6
lvgl_tft/pcd8544.c
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@ -116,9 +116,12 @@ void pcd8544_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t
uint8_t * buf = (uint8_t *) color_map;
// Check if the whole frame buffer can be sent in a single SPI transaction
if ((area->x1 == 0) && (area->y1 == 0) && (area->x2 == (disp_drv->hor_res - 1)) && (area->y2 == (disp_drv->ver_res - 1))){
// optimize flush of complete frame buffer in a single SPI transaction
// send complete frame buffer at once.
// NOTE: disp_spi_send_colors triggers lv_disp_flush_ready
pcd8544_send_cmd(0x40); /* set Y address */
pcd8544_send_cmd(0x80); /* set X address */
@ -141,6 +144,5 @@ void pcd8544_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t
}
lv_disp_flush_ready(disp_drv);
}
}