added amigo lvgl touch screen demo, lvgl multiple screens demo, fixed pin definition
This commit is contained in:
AIWintermuteAI
parent
80cadc7515
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c3d59efe2a
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@ -22,8 +22,8 @@ config = {
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'LED_G': 15,
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'LED_B': 17,
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'LED_W': 32,
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'BACK': 31,
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'ENTER': 23,
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'BACK': 23,
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'ENTER': 16,
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'NEXT': 20,
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'WIFI_TX': 6,
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'WIFI_RX': 7,
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@ -0,0 +1,4 @@
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LVGL Touchscreen demo for Maix Amigo
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Place touch.py in the device SPIFFS memory (using uPyLoader or MaixPy IDE), restart device and then run test_touch.py
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@ -0,0 +1,115 @@
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import lvgl as lv
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import lvgl_helper as lv_h
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import lcd
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import time
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from machine import Timer
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from machine import I2C
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from touch import Touch, TouchLow
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import KPU as kpu
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import gc
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config_touchscreen_support = True
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board_m1n = False
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lcd.init()
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TOUCH = None
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DEBUG = False
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def read_cb(drv, ptr):
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# print(ptr, b)
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data = lv.indev_data_t.cast(ptr)
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TOUCH.event()
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if DEBUG:
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print(TOUCH.state, TOUCH.points)
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data.point = lv.point_t({'x': TOUCH.points[1][0], 'y': TOUCH.points[1][1]})
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data.state = lv.INDEV_STATE.PR if TOUCH.state == 1 else lv.INDEV_STATE.REL
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return False
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if config_touchscreen_support:
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i2c = I2C(I2C.I2C0, freq=1000*1000, scl=24, sda=27) # 24 27)
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devices = i2c.scan()
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print("devs", devices) # devs 0 [16, 38, 52, 56]
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TouchLow.config(i2c)
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TOUCH = Touch(480, 320, 200)
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lv.init()
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disp_buf1 = lv.disp_buf_t()
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buf1_1 = bytearray(320*10)
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lv.disp_buf_init(disp_buf1,buf1_1, None, len(buf1_1)//4)
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disp_drv = lv.disp_drv_t()
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lv.disp_drv_init(disp_drv)
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disp_drv.buffer = disp_buf1
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disp_drv.flush_cb = lv_h.flush
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if board_m1n:
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disp_drv.hor_res = 240
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disp_drv.ver_res = 240
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else:
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disp_drv.hor_res = 480
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disp_drv.ver_res = 320
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lv.disp_drv_register(disp_drv)
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if config_touchscreen_support:
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indev_drv = lv.indev_drv_t()
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lv.indev_drv_init(indev_drv)
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indev_drv.type = lv.INDEV_TYPE.POINTER
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indev_drv.read_cb = read_cb
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lv.indev_drv_register(indev_drv)
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lv.log_register_print_cb(lambda level,path,line,msg: print('%s(%d): %s' % (path, line, msg)))
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def event_handler(obj, event):
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global btn, box, bg
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if event == lv.EVENT.CLICKED:
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if obj == btn:
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box.set_hidden(0)
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bg.set_hidden(0)
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elif obj == box:
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box.set_hidden(1)
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bg.set_hidden(1)
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#create screen object
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scr = lv.obj()
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#create button in center with callback
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btn = lv.btn(scr)
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btn.align(scr, lv.ALIGN.CENTER, 0, 0)
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btn.set_event_cb(event_handler)
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label = lv.label(btn)
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label.set_text("Press me")
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label.set_size(20,20)
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#create semi-transparrent background and set it to hidden
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bg = lv.obj(scr)
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bg.set_pos(0, 0)
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bg.set_size(scr.get_width(), scr.get_height())
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modal_style = lv.style_t()
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lv.style_copy(modal_style, lv.style_plain_color)
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modal_style.body.main_color = modal_style.body.grad_color = lv.color_make(0,0,50)
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modal_style.body.opa = 75
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bg.set_style(modal_style)
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bg.set_hidden(1)
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#create message box and set it to hidden
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box = lv.mbox(scr)
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box.set_text("Congratulations, you pressed the button! Now do it again, here");
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box.add_btns(["OK", ""])
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box.set_width(200)
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box.set_event_cb(event_handler)
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box.align(None, lv.ALIGN.CENTER, 0, 0)
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box.set_hidden(1)
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lv.scr_load(scr)
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def on_timer(timer):
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lv.tick_inc(5)
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lv.task_handler()
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gc.collect()
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timer = Timer(Timer.TIMER0, Timer.CHANNEL0, mode=Timer.MODE_PERIODIC, period=5, unit=Timer.UNIT_MS, callback=on_timer, arg=None)
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while True:
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pass
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@ -0,0 +1,103 @@
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# This file is part of MaixUI
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# Copyright (c) sipeed.com
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#
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# Licensed under the MIT license:
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# http://www.opensource.org/licenses/mit-license.php
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#
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import time
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FT_DEVIDE_MODE = 0x00
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FT_ID_G_MODE = 0xA4
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FT_ID_G_THGROUP = 0x80
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FT_ID_G_PERIODACTIVE = 0x88
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FT6X36_ADDR = 0x38
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class TouchLow:
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i2c3 = None
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addr = 0x0
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def config(i2c3, addr=FT6X36_ADDR):
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TouchLow.i2c3 = i2c3
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TouchLow.addr = addr
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def write_reg(reg_addr, buf):
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TouchLow.i2c3.writeto_mem(TouchLow.addr, reg_addr, buf, mem_size=8)
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def read_reg(reg_addr, buf_len):
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return TouchLow.i2c3.readfrom_mem(TouchLow.addr, reg_addr, buf_len, mem_size=8)
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def config_ft6x36():
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TouchLow.write_reg(FT_DEVIDE_MODE, 0); # 进入正常操作模式
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TouchLow.write_reg(FT_ID_G_THGROUP, 12); # 设置触摸有效值，触摸有效值，12，越小越灵敏
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TouchLow.write_reg(FT_DEVIDE_MODE, 14); # 激活周期，不能小于12，最大14
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def get_point():
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if TouchLow.i2c3 != None:
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#data = self.read_reg(0x01, 1)
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#print("get_gesture:" + str(data))
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data = TouchLow.read_reg(0x02, 1)
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#print("get_points:" + str(data))
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if (data != None and data[0] == 0x1):
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data_buf = TouchLow.read_reg(0x03, 4)
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y = ((data_buf[0] & 0x0f) << 8) | (data_buf[1])
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x = ((data_buf[2] & 0x0f) << 8) | (data_buf[3])
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#print("1 point[{}:{}]".format(x,y))
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if ((data_buf[0] & 0xc0) == 0x80):
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#print("2 point[({},{}):({},{})]".format(
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#x, y, self.width - x, self.height - y))
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return (x, y)
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return None
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class Touch:
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idle, press, release = 0, 1, 2
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def __init__(self, w, h, cycle=1000, invert_y=False):
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self.cycle = cycle
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self.last_time = 0
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self.points = [(0, 0, 0), (0, 0, 0)]
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self.state = Touch.idle
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self.width, self.height = w, h
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self.invert_y = invert_y
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def event(self):
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tmp = TouchLow.get_point()
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if tmp != None:
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x, y = tmp
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if self.invert_y:
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y = self.height - y
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if x < 0: x = 0
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if y < 0: y = 0
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self.last_time = time.ticks_ms()
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if self.state != Touch.press:
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self.state = Touch.press
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self.points[0] = (x, y, time.ticks_ms())
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self.points[1] = (x, y, time.ticks_ms())
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# timeout return ilde.
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if time.ticks_ms() > self.last_time + self.cycle:
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if self.state == Touch.release:
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self.state = Touch.idle
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self.points = [(0, 0, 0), (0, 0, 0)]
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return
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if self.state == Touch.press:
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self.state = Touch.release
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return
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if __name__ == "__main__":
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import lcd
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from machine import I2C
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i2c = I2C(I2C.I2C3, freq=1000*1000, scl=24, sda=27) # amigo
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devices = i2c.scan()
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print(devices)
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TouchLow.config(i2c)
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tmp = Touch(480, 320, 200)
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while 1:
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tmp.event()
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print(tmp.state, tmp.points)
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@ -0,0 +1,111 @@
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#this demo shows how to create multiple screens, load and unload them properly without causing memory leak
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import lvgl as lv
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import lvgl_helper as lv_h
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import lcd
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import time
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from machine import Timer
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from machine import I2C
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from touch import Touch, TouchLow
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import KPU as kpu
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import gc
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config_touchscreen_support = True
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board_m1n = False
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lcd.init()
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TOUCH = None
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def read_cb(drv, ptr):
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data = lv.indev_data_t.cast(ptr)
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TOUCH.event()
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data.point = lv.point_t({'x': TOUCH.points[1][0], 'y': TOUCH.points[1][1]})
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data.state = lv.INDEV_STATE.PR if TOUCH.state == 1 else lv.INDEV_STATE.REL
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return False
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if config_touchscreen_support:
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i2c = I2C(I2C.I2C0, freq=1000*1000, scl=24, sda=27) # 24 27)
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devices = i2c.scan()
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print("devs", devices) # devs 0 [16, 38, 52, 56]
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TouchLow.config(i2c)
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TOUCH = Touch(480, 320, 200)
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lv.init()
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disp_buf1 = lv.disp_buf_t()
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buf1_1 = bytearray(320*10)
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lv.disp_buf_init(disp_buf1,buf1_1, None, len(buf1_1)//4)
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disp_drv = lv.disp_drv_t()
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lv.disp_drv_init(disp_drv)
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disp_drv.buffer = disp_buf1
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disp_drv.flush_cb = lv_h.flush
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if board_m1n:
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disp_drv.hor_res = 240
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disp_drv.ver_res = 240
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else:
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disp_drv.hor_res = 480
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disp_drv.ver_res = 320
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lv.disp_drv_register(disp_drv)
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if config_touchscreen_support:
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indev_drv = lv.indev_drv_t()
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lv.indev_drv_init(indev_drv)
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indev_drv.type = lv.INDEV_TYPE.POINTER
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indev_drv.read_cb = read_cb
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lv.indev_drv_register(indev_drv)
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lv.log_register_print_cb(lambda level,path,line,msg: print('%s(%d): %s' % (path, line, msg)))
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class UI:
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def __init__(self):
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self.scr1 = self.create_scr1()
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self.scr2 = self.create_scr2()
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def create_scr1(self):
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scr1 = lv.obj()
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btn1 = lv.btn(scr1)
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btn1.align(scr1, lv.ALIGN.CENTER, 0, 0)
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label1 = lv.label(btn1)
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label1.set_text("Button 1")
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label1.set_size(20,20)
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return scr1
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def create_scr2(self):
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scr2 = lv.obj()
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btn2 = lv.btn(scr2)
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btn2.align(scr2, lv.ALIGN.CENTER, 0, 0)
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label2 = lv.label(btn2)
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label2.set_text("Button 2")
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label2.set_size(20,20)
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return scr2
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ui = UI()
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kpu.memtest()
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def on_timer(timer):
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lv.tick_inc(5)
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lv.task_handler()
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gc.collect()
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timer = Timer(Timer.TIMER0, Timer.CHANNEL0, mode=Timer.MODE_PERIODIC, period=5, unit=Timer.UNIT_MS, callback=on_timer, arg=None)
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while True:
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tim = time.ticks_ms()
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while time.ticks_ms()-tim < 500:
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pass
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lv.scr_load(ui.scr1)
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kpu.memtest()
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tim = time.ticks_ms()
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while time.ticks_ms()-tim < 500:
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pass
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lv.scr_load(ui.scr2)
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kpu.memtest()
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