zenermerps/lvgl_esp32_drivers
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Added PCD8544 to readme, addressed PR comments

Browse source
This commit is contained in:
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
Show stats Download patch file Download diff file Expand all files Collapse all files

1
README.md
View file

@ -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
View file

@ -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);
}
}

20
lvgl_tft/pcd8544.h
View file

@ -11,7 +11,7 @@
extern "C" {
#endif
/*********************
/*********************
* INCLUDES
*********************/
#include <stdbool.h>
@ -22,7 +22,7 @@ extern "C" {
#include "lvgl/lvgl.h"
#endif
/*********************
/*********************
* DEFINES
*********************/
@ -30,22 +30,22 @@ extern "C" {
#define PCD8544_RST CONFIG_LV_DISP_PIN_RST
#define PCD8544_BCKL CONFIG_LV_DISP_PIN_BCKL
/**********************
/**********************
* TYPEDEFS
**********************/
/**********************
/**********************
* GLOBAL PROTOTYPES
**********************/
void pcd8544_init(void);
void pcd8544_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * color_map);
void pcd8544_rounder(lv_disp_drv_t * disp_drv, lv_area_t *area);
void pcd8544_set_px_cb(lv_disp_drv_t * disp_drv, uint8_t * buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
void pcd8544_init(void);
void pcd8544_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * color_map);
void pcd8544_rounder(lv_disp_drv_t * disp_drv, lv_area_t *area);
void pcd8544_set_px_cb(lv_disp_drv_t * disp_drv, uint8_t * buf, lv_coord_t buf_w, lv_coord_t x, lv_coord_t y,
lv_color_t color, lv_opa_t opa);
void pcd8544_set_contrast(uint8_t contrast);
void pcd8544_set_contrast(uint8_t contrast);
/**********************
/**********************
* MACROS
**********************/