def generate_du(display):
"""
Generate the "direct update" mode for a display.
"""
frame_times = FRAME_TIMES_DU[display]
num_phases = len(frame_times)
phases = []
for frame in range(num_phases):
def lutfunc(t, f):
if t == 0 and f > 0:
return 1
elif t == 30 and f < 30:
return 2
else:
return 0
phase = generate_frame(lutfunc)
phases.append(phase)
return {
"mode": mode_id("MODE_DU"),
"ranges": [{
"index": 0,
"phases": phases,
"phase_times": frame_times
}]
}
def generate_mode_GL16(display):
"""
Do non-flashing arbitrary transitions by going to full black, then the desired value.
"""
phases = []
for frame in range(15):
phase = generate_frame(lambda t, f: f >= (30 - 2 * frame))
phase[30][30] = 0
phase[0][0] = 0
phases.append(phase)
for frame in range(15):
phase = generate_frame(lambda t, f: 2 * (t > (2 * frame)))
phase[30][30] = 0
phase[0][0] = 0
phases.append(phase)
frame_times = FRAME_TIMES_WHITE_TO_GL16[
display] + FRAME_TIMES_BLACK_TO_GL16[display]
return {
"mode": mode_id("MODE_GL16"),
"ranges": [{
"index": 0,
"phases": phases,
"phase_times": frame_times
}]
}
def generate_epdiy_waveform(display):
# we say that these temperature waveforms are valid in ~room temperature.
default_temperature_range = {"from": 20, "to": 30}
white_to_gl16 = generate_mode_x_to_GL16(
display, mode_id("MODE_EPDIY_WHITE_TO_GL16"))
black_to_gl16 = generate_mode_x_to_GL16(
display, mode_id("MODE_EPDIY_BLACK_TO_GL16"))
gc16 = generate_mode_GC16(display)
gl16 = generate_mode_GL16(display)
du = generate_du(display)
temperature_ranges = {"range_bounds": [default_temperature_range]}
return {
"temperature_ranges": temperature_ranges,
"modes": [du, gc16, gl16, white_to_gl16, black_to_gl16]
}