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testLCD.py
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137 lines (120 loc) · 3.77 KB
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import lvgl as lv
from machine import LCD, Pin
from tp import gt9xx
import utime
import osTimer
import gc
# 此处MIPI初始化参数请根据具体屏幕驱动型号填写。
# LCD initialization parameters
init_480X854_local = (
0x11,0,0,
0xFF,120,5,0x77,0x01,0x00,0x00,0x10,
0xC0,0,2,0xE9,0x03,
0xC1,0,2,0x11,0x02,
0xC2,0,2,0x31,0x08,
0xCC,0,1,0x10,
0xB0,0,16,0x00,0x0D,0x14,0x0D,0x10,0x05,0x02,0x08,0x08,0x1E,0x05,0x13,0x11,0xA3,0x29,0x18,
0xB1,0,16,0x00,0x0C,0x14,0x0C,0x10,0x05,0x03,0x08,0x07,0x20,0x05,0x13,0x11,0xA4,0x29,0x18,
0xFF,0,5,0x77,0x01,0x00,0x00,0x11,
0xB0,0,1,0x6C,
0xB1,0,1,0x43,
0xB2,0,1,0x07,
0xB3,0,1,0x80,
0xB5,0,1,0x47,
0xB7,0,1,0x85,
0xB8,0,1,0x20,
0xB9,0,1,0x10,
0xC1,0,1,0x78,
0xC2,0,1,0x78,
0xD0,0,1,0x88,
0xE0,100,3,0x00,0x00,0x02,
0xE1,0,11,0x08,0x00,0x0A,0x00,0x07,0x00,0x09,0x00,0x00,0x33,0x33,
0xE2,0,13,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xE3,0,4,0x00,0x00,0x33,0x33,
0xE4,0,2,0x44,0x44,
0xE5,0,16,0x0E,0x60,0xA0,0xA0,0x10,0x60,0xA0,0xA0,0x0A,0x60,0xA0,0xA0,0x0C,0x60,0xA0,0xA0,
0xE6,0,4,0x00,0x00,0x33,0x33,
0xE7,0,2,0x44,0x44,
0xE8,0,16,0x0D,0x60,0xA0,0xA0,0x0F,0x60,0xA0,0xA0,0x09,0x60,0xA0,0xA0,0x0B,0x60,0xA0,0xA0,
0xEB,0,7,0x02,0x01,0xE4,0xE4,0x44,0x00,0x40,
0xEC,0,2,0x02,0x01,
0xED,0,16,0xAB,0x89,0x76,0x54,0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x10,0x45,0x67,0x98,0xBA,
0xFF,0,5,0x77,0x01,0x00,0x00,0x00,
0x3A,0,1,0x77,
0x36,0,1,0x00,
0x35,0,1,0x00,
0x29,0,0)
gpio1 = Pin(Pin.GPIO27, Pin.OUT, Pin.PULL_PU, 1)
gpio2 = Pin(Pin.GPIO8, Pin.OUT, Pin.PULL_PU, 1)
gpio3 = Pin(Pin.GPIO11, Pin.OUT, Pin.PULL_PU, 1)
gc.enable()
# LCD初始化部分，详见代码下方注意事项。
mipilcd = LCD()
mipilcd.mipi_init(initbuf=bytearray(init_480X854_local), width=480, hight=854,DataLane=2,TransMode=1)
# LVGL初始化
lv.init()
# 创建一个显示缓冲区对象
disp_buf1 = lv.disp_draw_buf_t()
# 显示缓冲区对象大小为：width * height * 2
buf1_1 = bytes(480 * 854 * 2)
disp_buf1.init(buf1_1, None, len(buf1_1))
# 创建LVGL显示驱动对象
disp_drv = lv.disp_drv_t()
# 初始化LVGL显示驱动对象
disp_drv.init()
# 将显示缓冲区对象赋值给驱动对象的draw_buf属性
disp_drv.draw_buf = disp_buf1
# 将LCD对象的刷新回调函数lcd_write赋值给驱动对象的flush_cb属性
disp_drv.flush_cb = mipilcd.lcd_write
# 此处基于实际的屏幕宽度来设置水平分辨率
disp_drv.hor_res = 480
# 此处基于实际的屏幕高度来设置垂直分辨率
disp_drv.ver_res = 854
# 此处设置是否需要旋转
disp_drv.sw_rotate = 1
# 旋转角度
disp_drv.rotated = lv.DISP_ROT._270
# 注册LVGL显示驱动对象
disp_drv.register()
# Touchpad(触摸板)初始化
tp_gt911 = gt9xx(irq=40, reset=20)
tp_gt911.activate()
tp_gt911.init()
print("gt911 init...")
# 创建LVGL输入设备驱动对象
indev_drv = lv.indev_drv_t()
indev_drv.init()
indev_drv.type = lv.INDEV_TYPE.POINTER
# 将Touchpad对象的读取函数read赋值给LVGL输入设备驱动对象的read_cb属性
indev_drv.read_cb = tp_gt911.read
indev_drv.register()
# 启动LVGL 线程
lv.tick_inc(5)
lv.task_handler()
# 创建一个界面
screen = lv.obj()
# 创建button对象
btn1 = lv.btn(screen)
# button设置位置
btn1.center()
# button添加文字
label = lv.label(btn1)
label.set_text("click")
# 创建样式对象
style_btn = lv.style_t()
style_btn.init()
# 设置背景颜色
style_btn.set_bg_color(lv.palette_main(lv.PALETTE.YELLOW))
# 设置字体颜色
style_btn.set_text_color(lv.palette_darken(lv.PALETTE.YELLOW, 4))
# 给button对象添加样式
btn1.add_style(style_btn, 0)
# 定义事件回调函数
def event_handler(evt):
code = evt.get_code()
if code == lv.EVENT.CLICKED:
print("Clicked event detected")
# 给button对象添加事件，在点击时触发
btn1.add_event_cb(event_handler, lv.EVENT.CLICKED, None)
# 加载界面
lv.scr_load(screen)