def __init__(self,
miso=-1,
mosi=-1,
clk=-1,
cs=25,
spihost=esp.HSPI_HOST,
mhz=5,
transpose=False,
touch_margin=100):
# Initializations
self.screen_width = lv.disp_get_hor_res(lv.disp_t.cast(None))
self.screen_height = lv.disp_get_ver_res(lv.disp_t.cast(None))
self.miso = miso
self.mosi = mosi
self.clk = clk
self.cs = cs
self.spihost = spihost
self.mhz = mhz
self.cal_x0 = None
self.transpose = transpose
self.touch_margin = touch_margin
self.touch_count = 0
self.touch_cycles = 0
self.spi_init()
# Prepare buffer with commands to send to device
nc = len(self.CMDS)
self.buflen = 2 * nc * REP + 1 # +1 for final CMD_OFF
self.txbuf = esp.heap_caps_malloc(self.buflen, esp.MALLOC_CAP.DMA)
txbuf = self.txbuf.__dereference__(self.buflen)
for c in range(nc):
for r in range(REP):
txbuf[(c * REP + r) * 2 +
0] = self.CMDS[c] # first byte is command, second is 0
txbuf[(c * REP + r) * 2 + 1] = 0
txbuf[2 * nc * REP] = CMD_OFF
# print("xpt2046 txbuf:", ["%02x" % v for v in txbuf])
self.rxbuf = esp.heap_caps_malloc(self.buflen, esp.MALLOC_CAP.DMA)
indev_drv = lv.indev_drv_t()
lv.indev_drv_init(indev_drv)
indev_drv.type = lv.INDEV_TYPE.POINTER
indev_drv.read_cb = self.read
lv.indev_drv_register(indev_drv)
print("xpt2046 touch initialized")
def __init__(self,
miso=-1,
mosi=-1,
clk=-1,
cs=25,
spihost=esp.HSPI_HOST,
mhz=5,
max_cmds=16,
cal_x0=3783,
cal_y0=3948,
cal_x1=242,
cal_y1=423,
transpose=True,
samples=3):
# Initializations
self.screen_width = lv.disp_get_hor_res(lv.disp_t.cast(None))
self.screen_height = lv.disp_get_ver_res(lv.disp_t.cast(None))
self.miso = miso
self.mosi = mosi
self.clk = clk
self.cs = cs
self.spihost = spihost
self.mhz = mhz
self.max_cmds = max_cmds
self.cal_x0 = cal_x0
self.cal_y0 = cal_y0
self.cal_x1 = cal_x1
self.cal_y1 = cal_y1
self.transpose = transpose
self.samples = samples
self.touch_count = 0
self.touch_cycles = 0
self.spi_init()
indev_drv = lv.indev_drv_t()
lv.indev_drv_init(indev_drv)
indev_drv.type = lv.INDEV_TYPE.POINTER
indev_drv.read_cb = self.read
lv.indev_drv_register(indev_drv)
import lvgl as lv
lv.init()
lv.log_register_print_cb(lambda level, path, line, msg: print(
'LOG: %s(%d): %s' % (path, line, msg)))
# Initialize ILI9341 display
import lvesp32
from ili9XXX import ili9341
disp = ili9341()
HRES = lv.disp_get_hor_res(lv.disp_t.cast(None))
VRES = lv.disp_get_ver_res(lv.disp_t.cast(None))
# Register raw resistive touch driver
'''
import rtch
touch = rtch.touch(xp = 32, yp = 33, xm = 25, ym = 26, touch_rail = 27, touch_sense = 33, cal_x0=0, cal_x1 = HRES, cal_y0=0, cal_y1 = VRES)
touch.init()
indev_drv = lv.indev_drv_t()
lv.indev_drv_init(indev_drv)
indev_drv.type = lv.INDEV_TYPE.POINTER;
indev_drv.read_cb = touch.read;
lv.indev_drv_register(indev_drv);
'''
# Register xpt touch driver
import xpt2046 as xpt2046
touch = xpt2046.xpt2046(cal_x0=0, cal_x1=HRES, cal_y0=0, cal_y1=VRES)