使用例程 zephyr\samples\subsys\display\lvgl
LOG：
[00:00:00.942,649] <inf> app: display: ssd1306@0
[00:00:00.950,814] <wrn> lvgl: (0.950, +950) get_max_row: Can't set draw_buf height using the round function. (Wrong round_cb or to small draw_buf) (in lv_refr.c line #994)
[00:00:00.967,514] <err> ssd1306: Display buffer is not available
[00:00:00.974,545] <err> ssd1306: Display buffer is not available
[00:00:00.981,573] <err> ssd1306: Display buffer is not available
[00:00:00.988,609] <err> ssd1306: Display buffer is not available
[00:00:00.995,645] <err> ssd1306: Display buffer is not available
[00:00:01.002,682] <err> ssd1306: Display buffer is not available
...
&spi21 {
status = "okay";
pinctrl-0 = <&spi21_default>;
pinctrl-1 = <&spi21_sleep>;
pinctrl-names = "default", "sleep";
// cs-gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
ssd1306: ssd1306@0 {
compatible = "solomon,ssd1306fb";
data_cmd-gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
spi-max-frequency = <20000000>;
reg = <0x0>;
width = <128>;
height = <64>; // Change to '64' when using the 128x64 pixel version.
segment-offset = <0>;
page-offset = <0>;
display-offset = <0>;
multiplex-ratio = <63>; //change to '63' when using the 128x64 pixel version
segment-remap;
com-invdir;
com-sequential;
prechargep = <0x22>;
};
};
