def __init__(self):
self.display = TFT("Y", "X12", "X11")
self.display.initr()
self.display.rotation(3)
self.display.fill(0)
self.init_display()
class JrtDisplay(object):
i = 0
last_rpm = 0
last_bmp_press = 0
last_bmp_tr = 0
last_max_tc = 0
last_max_tr = 0
last_velocity = 0
last_gear = 0
last_power = 0
last_torque = 0
def __init__(self):
self.display = TFT("Y", "X12", "X11")
self.display.initr()
self.display.rotation(3)
self.display.fill(0)
self.init_display()
def init_display(self):
tft = self.display
header_color = tft.WHITE
header_position = 0, 5
header_text = "JRT-Control V0.3"
tft.text(header_position, header_text, header_color)
tft.line((0, header_position[1] + 10), (160, header_position[1] + 10), header_color)
self.bmp_color = tft.RED
bmp_position = 0, header_position[1] + 20
bmp_text = "BMP180"
tft.text(bmp_position, bmp_text, self.bmp_color)
tft.line((0, bmp_position[1] + 10), (60, bmp_position[1] + 10), self.bmp_color)
bmp_temperature_string = "Tr: *C"
bmp_temperature_position = 0, bmp_position[1] + 15
self.display.text(bmp_temperature_position, bmp_temperature_string, self.bmp_color)
bmp_pressure_position = 0, bmp_temperature_position[1] + 10
bmp_pressure_string = "p : kPa"
tft.text(bmp_pressure_position, bmp_pressure_string, self.bmp_color)
x_unit = 25
self.bmp_update_pos = (x_unit, bmp_temperature_position[1]), (x_unit, bmp_pressure_position[1])
max_string = "MAX31885"
self.max_color = tft.GREEN
max_position = 0, bmp_pressure_position[1] + 15
tft.text(max_position, max_string, self.max_color)
tft.line((0, max_position[1] + 10), (60, max_position[1] + 10), self.max_color)
max_temperature_r_string = "Tr: *C"
max_temperature_r_string_position = 0, max_position[1] + 15
tft.text(max_temperature_r_string_position, max_temperature_r_string, self.max_color)
max_exhaust_string = "Tc: *C"
max_exhaust_position = 0, max_temperature_r_string_position[1] + 10
tft.text(max_exhaust_position, max_exhaust_string, self.max_color)
self.max_update_pos = (x_unit, max_temperature_r_string_position[1]), (x_unit, max_exhaust_position[1])
rpm_string = " Rpm"
self.rpm_color = tft.YELLOW
rpm_position = 75, bmp_pressure_position[1]
tft.text(rpm_position, rpm_string, self.rpm_color)
gear_circ_pos = 150, bmp_position[1] + 10
tft.fillcircle(gear_circ_pos, 10, tft.YELLOW)
self.gear_update_pos = gear_circ_pos[0] - 7, gear_circ_pos[1] - 7
tft.text(self.gear_update_pos, "3", tft.BLACK, False, 2)
x_unit2 = 90
self.rpm_update_pos = (x_unit2, rpm_position[1])
self.velocity_update_pos = x_unit2, max_position[1] + 10
self.velocity_color = tft.YELLOW
tft.text(self.velocity_update_pos, "100", self.velocity_color, False, 2)
velocity_unit_pos = x_unit2, max_exhaust_position[1]
tft.text(velocity_unit_pos, "km/h", tft.YELLOW)
self.torque_update_pos = 0, 110
tft.text(self.torque_update_pos, "40 Nm", tft.PURPLE, False, 2)
self.kw_update_pos = x_unit2, self.torque_update_pos[1]
tft.text(self.kw_update_pos, "8 kW", tft.PURPLE, False, 2)
tft.line((x_unit2 - 4, header_position[1] + 10), (x_unit2 - 4, self.torque_update_pos[1] - 4), header_color)
tft.line((0, self.torque_update_pos[1] - 4), (160, self.torque_update_pos[1] - 4), header_color)
def update(
self, rpm=0, bmp_tr=0, bmp_press=0, max_tr=0, max_tc=0, time_frame=100, velocity=0, gear=1, power=0, torque=0
):
start = micros()
tft = self.display
if self.i == 0:
if elapsed_micros(start) > time_frame:
return
rpm = round(rpm)
if not self.last_rpm == rpm:
tft.fillrect(self.rpm_update_pos, (40, 7), 0)
tft.text(self.rpm_update_pos, str(rpm), self.rpm_color)
self.last_rpm = rpm
self.i = 1
if self.i == 1:
if elapsed_micros(start) > time_frame:
return
bmp_press = round(bmp_press)
if not self.last_bmp_press == bmp_press:
tft.fillrect((self.bmp_update_pos[1]), (30, 7), 0)
tft.text(self.bmp_update_pos[1], str(bmp_press), self.bmp_color)
self.last_bmp_press = bmp_press
self.i = 2
if self.i == 2:
if elapsed_micros(start) > time_frame:
return
max_tc = round(max_tc)
if not self.last_max_tc == max_tc:
if not 0 < max_tc < 1000:
max_tc = 0
tft.fillrect((self.max_update_pos[1]), (30, 7), 0)
tft.text(self.max_update_pos[1], str(max_tc), self.max_color)
self.last_max_tc = max_tc
self.i = 3
if self.i == 3:
if elapsed_micros(start) > time_frame:
return
max_tr = round(max_tr)
if not self.last_max_tr == max_tr:
tft.fillrect((self.max_update_pos[0]), (30, 7), 0)
tft.text(self.max_update_pos[0], str(max_tr), self.max_color)
self.last_max_tr = max_tr
self.i = 4
if self.i == 4:
if elapsed_micros(start) > time_frame:
return
bmp_tr = round(bmp_tr)
if not self.last_bmp_tr == bmp_tr:
tft.fillrect((self.bmp_update_pos[0]), (30, 7), 0)
tft.text(self.bmp_update_pos[0], str(bmp_tr), self.bmp_color)
self.last_bmp_tr = bmp_tr
self.i = 5
if self.i == 5:
if elapsed_micros(start) > time_frame:
return
velocity = round(velocity)
if not self.last_velocity == velocity:
tft.fillrect(self.velocity_update_pos, (49, 14), 0)
tft.text(self.velocity_update_pos, str(velocity), self.velocity_color, False, 2)
self.last_velocity = velocity
self.i = 6
if self.i == 6:
if elapsed_micros(start) > time_frame:
return
if not self.last_gear == gear:
tft.fillrect(self.gear_update_pos, (16, 14), tft.YELLOW)
tft.text(self.gear_update_pos, str(gear), tft.BLACK, False, 2)
self.last_gear = gear
self.i = 7
if self.i == 7:
if elapsed_micros(start) > time_frame:
return
power = round(power)
if not self.last_power == power:
tft.fillrect(self.kw_update_pos, (30, 14), 0)
tft.text(self.kw_update_pos, str(power), tft.PURPLE, False, 2)
self.last_power = power
self.i = 8
if self.i == 8:
if elapsed_micros(start) > time_frame:
return
torque = round(torque)
if not self.last_torque == torque:
tft.fillrect(self.torque_update_pos, (32, 14), 0)
tft.text(self.torque_update_pos, str(torque), tft.PURPLE, False, 2)
self.last_torque = torque
self.i = 0