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Commit 31c9030c authored by Václav Jelínek's avatar Václav Jelínek
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Working I2C master slave menu programs

parent e34e57c5
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1 merge request!12Major update of menu visuals and example programs
Pipeline #108625 passed
Stage: build
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    lib/cube/i2c_master.py
    + 3
    − 3
    View file @ 31c9030c
    from machine import I2C, Pin
    from lib.hw_defs.pins import UTZ_I2C_SDA_PIN, UTZ_I2C_SCK_PIN, I2C_STRONG_PULL_RPIN
    from lib.hw_defs.pins import UTZ_I2C_SDA_PIN, UTZ_I2C_SCK_PIN, I2C_STRONG_PULL_RPIN_BIT
    from lib.robot_consts import I2C_MULTICUBE_FREQ
    class I2C_master:
    ......@@ -12,7 +12,7 @@ class I2C_master:
    self.start()
    def start(self):
    self.pcf_buttons.set_pin(I2C_STRONG_PULL_RPIN, False)
    self.pcf_buttons.set_pin(I2C_STRONG_PULL_RPIN_BIT, False)
    self.i2c = I2C(id=0,scl=Pin(UTZ_I2C_SCK_PIN),
    sda=Pin(UTZ_I2C_SDA_PIN), freq=I2C_MULTICUBE_FREQ)
    ......@@ -43,4 +43,4 @@ class I2C_master:
    def deinit(self):
    self.i2c = None
    self.pcf_buttons.set_pin(I2C_STRONG_PULL_RPIN, True)
    \ No newline at end of file
    self.pcf_buttons.set_pin(I2C_STRONG_PULL_RPIN_BIT, True)
    \ No newline at end of file
    lib/cube/i2c_slave.py
    + 12
    − 3
    View file @ 31c9030c
    ......@@ -66,15 +66,24 @@ class I2C_slave():
    self.received_data = None
    self.send_data = None
    self.read_timer = Timer(-1)
    self.write_timer = Timer(-1)
    self.read_timer.init(mode=Timer.PERIODIC, period=I2C_SLAVE_READ_PERIOD,
    callback=self.read_message)
    def read_message(self, timer):
    if self.anyRead():
    if self.any():
    self.received_data = self.get()
    if self.send_data:
    #self.write_timer.init(mode=Timer.ONE_SHOT, period=0.0002,
    # callback=self.write_message)
    self.write_message(timer)
    def write_message(self, timer):
    if self.anyRead():
    if self.send_data is not None:
    self.put(self.send_data)
    self.send_data = None
    else:
    self.put(0)
    def read(self):
    message = None
    ......@@ -84,7 +93,7 @@ class I2C_slave():
    return message
    def write(self, data):
    self.put(data)
    self.send_data = data
    def anyRead(self):
    ......
    lib/robot_consts.py
    + 2
    − 2
    View file @ 31c9030c
    ......@@ -79,7 +79,7 @@ BAT_VOLTAGE_MIN = 6.2
    BAT_VOLTAGE_TURNOFF = (BAT_VOLTAGE_MIN+0.1) # Volts
    PCF_CHECK_PERIOD = const(50) # ms
    I2C_SLAVE_READ_PERIOD = const(10) # ms
    I2C_SLAVE_READ_PERIOD = const(1) # ms
    I2C_FREQ = const(400000) # Hz
    I2C_MULTICUBE_FREQ = const(100000)
    ......@@ -87,4 +87,4 @@ I2C_MULTICUBE_FREQ = const(100000)
    ESP_BAUDRATE = const(115200) # bps
    ESP32_COMMAND_PIN = const(8)
    FW_VERSION = "17.10.2024" # Firmware version
    \ No newline at end of file
    FW_VERSION = "25.10.2024" # Firmware version
    \ No newline at end of file
    menu_programs/i2c_master.py
    + 16
    − 17
    View file @ 31c9030c
    ......@@ -2,9 +2,10 @@ import utime
    from machine import I2C, Pin
    from lib.robot_consts import Button
    from lib.hw_defs.pins import UTZ_I2C_SDA_PIN, UTZ_I2C_SCK_PIN, I2C_STRONG_PULL_RPIN_BIT
    ASCII_a = 97
    ADDRESS = 0x45
    ADDRESS = 0x44
    def i2c_master_run(robot):
    robot.init_i2c_master()
    ......@@ -19,39 +20,37 @@ def i2c_master_run(robot):
    robot.display.show()
    utime.sleep(0.2)
    while ADDRESS not in robot.i2c_master.i2c.scan():
    robot.display.centered_text(f"I2C master", 0, 1)
    robot.display.centered_text(f"Slave", 18, 1)
    robot.display.centered_text(f"not found", 28, 1)
    robot.display.text('<', 0, 54, 1)
    robot.display.show()
    while True:
    robot.display.fill(0)
    robot.display.centered_text(f"I2C master", 0, 1)
    scan = robot.i2c_master.i2c.scan()
    print(scan)
    if ADDRESS in scan:
    connected = True
    robot.display.text(f"Sending: {chr(data_sending+ASCII_a)}", 0, 16, 1)
    robot.display.text(f"Received: {chr(data_received_parsed)}", 0, 24, 1)
    robot.display.text('<', 0, 54, 1)
    else:
    connected = False
    robot.display.centered_text(f"Slave", 16, 1)
    robot.display.centered_text(f"not found", 24, 1)
    robot.display.text('<', 0, 54, 1)
    robot.display.text(f"Sending: {chr(data_sending+ASCII_a)}", 0, 18, 1)
    robot.display.text(f"Received: {chr(data_received_parsed)}", 0, 28, 1)
    robot.display.text('<', 0, 54, 1)
    robot.display.show()
    print("writing")
    robot.i2c_master.write(ADDRESS, (data_sending + ASCII_a).to_bytes(1, 'big'))
    #data_received = robot.i2c_master.read(ADDRESS, 1)
    #if data_received:
    # data_received_parsed = int.from_bytes(data_received, 'big')
    data_received = robot.i2c_master.read(ADDRESS, 1)
    if data_received and data_received != b'\x00':
    data_received_parsed = int.from_bytes(data_received, 'big')
    buttons = robot.buttons.pressed()
    if buttons[Button.LEFT]:
    break
    if not debounce:
    if buttons[Button.UP]:
    robot.buttons.set_pin(I2C_STRONG_PULL_RPIN_BIT, True)
    data_sending -= 1
    data_sending = data_sending % 26
    debounce = True
    if buttons[Button.DOWN]:
    robot.buttons.set_pin(I2C_STRONG_PULL_RPIN_BIT, False)
    data_sending += 1
    data_sending = data_sending % 26
    debounce = True
    ......
    menu_programs/i2c_slave.py
    + 10
    − 6
    View file @ 31c9030c
    import utime
    from machine import mem32,mem8,Pin
    from lib.robot_consts import Button
    from lib.hw_defs.pins import UTZ_I2C_SDA_PIN, UTZ_I2C_SCK_PIN, I2C_STRONG_PULL_RPIN
    ASCII_a = 97
    ADDRESS = 0x45
    ADDRESS = 0x44
    def i2c_slave_run(robot):
    robot.init_i2c_slave(ADDRESS)
    data_received = 0x5F
    data_received = None
    data_show = 0x5F
    data_sending = 0
    debounce = False
    ......@@ -20,16 +23,17 @@ def i2c_slave_run(robot):
    robot.display.fill(0)
    robot.display.centered_text(f"I2C slave", 0, 1)
    robot.display.text(f"Sending: {chr(data_sending+ASCII_a)}", 0, 16, 1)
    robot.display.text(f"Received: {chr(data_received)}", 0, 24, 1)
    robot.display.text(f"Received: {chr(data_show)}", 0, 24, 1)
    robot.display.text('<', 0, 54, 1)
    robot.display.show()
    data_received = robot.i2c_slave.read()
    if data_received:
    print(data_received)
    data_show = data_received
    robot.i2c_slave.write(data_sending + ASCII_a)
    else:
    data_received = 0x5F
    buttons = robot.buttons.pressed()
    if buttons[Button.LEFT]:
    break
    ......
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