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#!/usr/bin/python3
import urwid
import pykms
def exit_on_q(key):
if key in ('q', 'Q'):
raise urwid.ExitMainLoop()
elif key == 'a':
apply_mode()
alarm_handle = None
def recalc_info(l, d):
global alarm_handle
alarm_handle = None
for w in recalc_list:
w.recalc()
def div_or_zero(n, d):
if d == 0:
return 0
else:
return n / d
class MyIntEdit(urwid.IntEdit):
_metaclass_ = urwid.signals.MetaSignals
signals = ['value_change']
def __init__(self, caption, calc=None):
self._myval = 0
self._disable_change = False
self._calc = calc
self._updlist = None
super().__init__(caption, 0)
def set_edit_text(self, text):
global alarm_handle
super().set_edit_text(text)
newtext = super().get_edit_text()
new_val = int(newtext) if newtext != "" else 0
if new_val != self._myval:
self._myval = new_val
if not self._disable_change:
urwid.emit_signal(self, 'value_change', self, self._myval)
if alarm_handle == None:
alarm_handle = loop.set_alarm_in(0, recalc_info)
if self._updlist != None:
for w in self._updlist:
w.recalc()
def recalc(self):
self._disable_change = True
self.set_val(self._calc())
self._disable_change = False
def set_val(self, val):
self.set_edit_text(str(int(val)))
def get_val(self):
return self._myval
def set_updlist(self, list):
self._updlist = list
def keypress(self, size, key):
if key == '+':
self.set_edit_text(str(self.value() + 1))
elif key == '-':
self.set_edit_text(str(self.value() - 1))
else:
return super().keypress(size, key)
class MyIntText(urwid.Text):
def __init__(self, fmt, calc=None):
super().__init__("")
self._fmt = fmt
self._calc = calc
def recalc(self):
val = self._calc()
super().set_text(self._fmt.format(val))
def khz_to_ps(khz):
if khz == 0:
return 0
else:
return 1.0 / khz * 1000 * 1000 * 1000
def khz_to_us(khz):
if khz == 0:
return 0
else:
return 1.0 / khz * 1000
pclk_khz_widget = MyIntEdit(u"pclk (kHz) ")
pclk_ps_widget = MyIntText(fmt="pclk {:.2f} ps", calc = lambda: khz_to_ps(pclk_khz_widget.get_val()))
pclk_widgets = [pclk_khz_widget, pclk_ps_widget]
pclk_columns = urwid.LineBox(urwid.Columns(pclk_widgets), title = "Pixel clock")
# Horizontal widgets
hdisp_widget = MyIntEdit(u"hdisp ", calc = lambda: hdisp2_widget.get_val())
hfp_widget = MyIntEdit(u"hfp ", calc = lambda: hss_widget.get_val() - hdisp_widget.get_val())
hsw_widget = MyIntEdit(u"hsw ", calc = lambda: hse_widget.get_val() - hss_widget.get_val())
hbp_widget = MyIntEdit(u"hbp ", calc = lambda: htot_widget.get_val() - hse_widget.get_val())
hdisp2_widget = MyIntEdit(u"hdisp ", calc = lambda: hdisp_widget.get_val())
hss_widget = MyIntEdit(u"hss ",
calc = lambda: hdisp_widget.get_val() + hfp_widget.get_val())
hse_widget = MyIntEdit(u"hse ",
calc = lambda: hdisp_widget.get_val() + hfp_widget.get_val() + hsw_widget.get_val())
htot_widget = MyIntEdit(u"htot ",
calc = lambda: hdisp_widget.get_val() + hfp_widget.get_val() + hsw_widget.get_val() + hbp_widget.get_val())
hwidgets1 = [hdisp_widget, hfp_widget, hsw_widget, hbp_widget]
hwidgets2 = [hdisp2_widget, hss_widget, hse_widget, htot_widget]
horiz_pile1 = urwid.Pile(hwidgets1)
horiz_pile2 = urwid.Pile(hwidgets2)
h_columns = urwid.LineBox(urwid.Columns([(15, horiz_pile1), (15, horiz_pile2)]), title = "Horizontal")
# Vertical columns
vdisp_widget = MyIntEdit(u"vdisp ", calc = lambda: vdisp2_widget.get_val())
vfp_widget = MyIntEdit(u"vfp ", calc = lambda: vss_widget.get_val() - vdisp_widget.get_val())
vsw_widget = MyIntEdit(u"vsw ", calc = lambda: vse_widget.get_val() - vss_widget.get_val())
vbp_widget = MyIntEdit(u"vbp ", calc = lambda: vtot_widget.get_val() - vse_widget.get_val())
vdisp2_widget = MyIntEdit(u"vdisp ", calc = lambda: vdisp_widget.get_val())
vss_widget = MyIntEdit(u"vss ",
calc = lambda: vdisp_widget.get_val() + vfp_widget.get_val())
vse_widget = MyIntEdit(u"vse ",
calc = lambda: vdisp_widget.get_val() + vfp_widget.get_val() + vsw_widget.get_val())
vtot_widget = MyIntEdit(u"vtot ",
calc = lambda: vdisp_widget.get_val() + vfp_widget.get_val() + vsw_widget.get_val() + vbp_widget.get_val())
vwidgets1 = [vdisp_widget, vfp_widget, vsw_widget, vbp_widget]
vwidgets2 = [vdisp2_widget, vss_widget, vse_widget, vtot_widget]
vert_pile1 = urwid.Pile(vwidgets1)
vert_pile2 = urwid.Pile(vwidgets2)
v_columns = urwid.LineBox(urwid.Columns([(15, vert_pile1), (15, vert_pile2)]), title = "Vertical")
# Info widgets
line_us_widget = MyIntText(fmt="line {:.2f} us",
calc = lambda: khz_to_us(pclk_khz_widget.get_val()) * htot_widget.get_val())
line_khz_widget = MyIntText(fmt="line {:.2f} kHz",
calc = lambda: div_or_zero(pclk_khz_widget.get_val(), htot_widget.get_val()))
frame_tot_widget = MyIntText(fmt="tot {} pix",
calc = lambda: htot_widget.get_val() * vtot_widget.get_val())
frame_us_widget = MyIntText(fmt="frame {:.2f} ms",
calc = lambda: khz_to_us(pclk_khz_widget.get_val()) * htot_widget.get_val() * vtot_widget.get_val() / 1000)
frame_khz_widget = MyIntText(fmt="frame {:.2f} Hz",
calc = lambda: div_or_zero(pclk_khz_widget.get_val() * 1000, htot_widget.get_val() * vtot_widget.get_val()))
info_box = urwid.LineBox(urwid.Pile([line_us_widget, line_khz_widget, urwid.Divider(), frame_tot_widget, frame_us_widget, frame_khz_widget]), title = "Info")
# Set update lists
recalc_list = [ pclk_ps_widget, line_us_widget, line_khz_widget, frame_tot_widget, frame_us_widget, frame_khz_widget ]
hdisp_widget.set_updlist([hdisp2_widget, hss_widget, hse_widget, htot_widget])
hfp_widget.set_updlist([hss_widget, hse_widget, htot_widget])
hsw_widget.set_updlist([hse_widget, htot_widget])
hbp_widget.set_updlist([htot_widget])
hdisp2_widget.set_updlist([hdisp_widget, hfp_widget])
hss_widget.set_updlist([hfp_widget, hsw_widget])
hse_widget.set_updlist([hsw_widget, hbp_widget])
htot_widget.set_updlist([hbp_widget])
vdisp_widget.set_updlist([vdisp2_widget, vss_widget, vse_widget, vtot_widget])
vfp_widget.set_updlist([vss_widget, vse_widget, vtot_widget])
vsw_widget.set_updlist([vse_widget, vtot_widget])
vbp_widget.set_updlist([vtot_widget])
vdisp2_widget.set_updlist([vdisp_widget, vfp_widget])
vss_widget.set_updlist([vfp_widget, vsw_widget])
vse_widget.set_updlist([vsw_widget, vbp_widget])
vtot_widget.set_updlist([vbp_widget])
# Flags
fb = None
DRM_MODE_FLAG_PHSYNC = (1<<0)
DRM_MODE_FLAG_NHSYNC = (1<<1)
DRM_MODE_FLAG_PVSYNC = (1<<2)
DRM_MODE_FLAG_NVSYNC = (1<<3)
DRM_MODE_FLAG_INTERLACE = (1<<4)
DRM_MODE_FLAG_DBLCLK = (1<<12)
def mode_is_ilace(mode):
return (mode.flags & DRM_MODE_FLAG_INTERLACE) != 0
def apply_mode():
global fb
mode = pykms.Videomode()
mode.clock = pclk_khz_widget.get_val()
mode.hdisplay = hdisp2_widget.get_val()
mode.hsync_start = hss_widget.get_val()
mode.hsync_end = hse_widget.get_val()
mode.htotal = htot_widget.get_val()
mode.vdisplay = vdisp2_widget.get_val()
mode.vsync_start = vss_widget.get_val()
mode.vsync_end = vse_widget.get_val()
mode.vtotal = vtot_widget.get_val()
if ilace_box.state:
mode.flags |= DRM_MODE_FLAG_INTERLACE
if dblclk_box.state:
mode.flags |= DRM_MODE_FLAG_DBLCLK
if hsync_pol.state == True:
mode.flags |= DRM_MODE_FLAG_PHSYNC
elif hsync_pol.state == False:
mode.flags |= DRM_MODE_FLAG_NHSYNC
if vsync_pol.state == True:
mode.flags |= DRM_MODE_FLAG_PVSYNC
elif vsync_pol.state == False:
mode.flags |= DRM_MODE_FLAG_NVSYNC
fb = pykms.DumbFramebuffer(card, mode.hdisplay, mode.vdisplay, "XR24");
pykms.draw_test_pattern(fb);
crtc.set_mode(conn, fb, mode)
def read_mode(mode):
pclk_khz_widget.set_val(mode.clock)
hdisp2_widget.set_val(mode.hdisplay)
hss_widget.set_val(mode.hsync_start)
hse_widget.set_val(mode.hsync_end)
htot_widget.set_val(mode.htotal)
vdisp2_widget.set_val(mode.vdisplay)
vss_widget.set_val(mode.vsync_start)
vse_widget.set_val(mode.vsync_end)
vtot_widget.set_val(mode.vtotal)
ilace_box.set_state(mode_is_ilace(mode))
dblclk_box.set_state((mode.flags & DRM_MODE_FLAG_DBLCLK) != 0)
sync = 'mixed'
if (mode.flags & DRM_MODE_FLAG_PHSYNC) != 0:
sync = True
elif (mode.flags & DRM_MODE_FLAG_NHSYNC) != 0:
sync = False
hsync_pol.set_state(sync)
sync = 'mixed'
if (mode.flags & DRM_MODE_FLAG_PVSYNC) != 0:
sync = True
elif (mode.flags & DRM_MODE_FLAG_NVSYNC) != 0:
sync = False
vsync_pol.set_state(sync)
def apply_press(w):
apply_mode()
ilace_box = urwid.CheckBox('interlace')
hsync_pol = urwid.CheckBox('hsync positive', has_mixed=True)
vsync_pol = urwid.CheckBox('vsync positive', has_mixed=True)
dblclk_box = urwid.CheckBox('double clock')
flags_pile = urwid.LineBox(urwid.Pile([ilace_box, hsync_pol, vsync_pol, dblclk_box]), title = "Flags")
apply_button = urwid.LineBox(urwid.Padding(urwid.Button('apply', on_press=apply_press)))
# Main
def mode_press(w, mode):
read_mode(mode)
def mode_to_str(mode):
return "{}@{}{}".format(mode.name, mode.vrefresh, "i" if mode_is_ilace(mode) else "")
mode_buttons = []
card = pykms.Card()
conn = card.get_first_connected_connector()
crtc = conn.get_current_crtc()
modes = conn.get_modes()
i = 0
for m in modes:
mode_buttons.append(urwid.Button(mode_to_str(m), on_press=mode_press, user_data=m))
i += 1
modes_pile = urwid.LineBox(urwid.Pile(mode_buttons), title = "Video modes")
main_pile = urwid.Pile([modes_pile, pclk_columns, urwid.Columns([ h_columns, v_columns ]), info_box, flags_pile, apply_button])
main_columns = urwid.Filler(main_pile, valign='top')
loop = urwid.MainLoop(main_columns, unhandled_input=exit_on_q, handle_mouse=False)
# select the first mode
mode_press(None, modes[0])
loop.run()
fb = None
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