Пример #1
0
    def __init__(self):
        self.display = TFT("Y", "X12", "X11")
        self.display.initr()
        self.display.rotation(3)
        self.display.fill(0)

        self.init_display()
Пример #2
0
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