Exemplo n.º 1
0
    def deinit(self):
        print("Deinitializing XPT2046...")
        if self.spi:
            # Pop all pending transaction results
            ret = 0
            while ret == 0:
                ret = esp.spi_device_get_trans_result(self.spi,
                                                      self.trans_result_ptr, 1)

            # Remove device
            esp.spi_bus_remove_device(self.spi)

            # Free SPI bus
            esp.spi_bus_free(self.spihost)
Exemplo n.º 2
0
    def deinit(self):

        print('Deinitializing {}..'.format(self.display_name))

        self.disp_drv.remove()

        # Prevent callbacks to lvgl, which refer to the buffers we are about to delete

        if not self.asynchronous:
            import lvesp32
            lvesp32.deinit()

        if self.spi:

            # Pop all pending transaction results

            ret = 0
            while ret == 0:
                ret = esp.spi_device_get_trans_result(self.spi,
                                                      self.trans_result_ptr, 1)

            # Remove device

            esp.spi_bus_remove_device(self.spi)
            self.spi = None

            # Free SPI bus

            esp.spi_bus_free(self.spihost)
            self.spihost = None

        # Free RAM

        if self.buf1:
            esp.heap_caps_free(self.buf1)
            self.buf1 = None

        if self.buf2:
            esp.heap_caps_free(self.buf2)
            self.buf2 = None

        if self.trans_buffer:
            esp.heap_caps_free(self.trans_buffer)
            self.trans_buffer = None
Exemplo n.º 3
0
    def deinit(self):

        print('Deinitializing ILI9341..')

        # Prevent callbacks to lvgl, which refer to the buffers we are about to delete

        lvesp32.deinit()

        if self.spi:

            # Pop all pending transaction results

            ret = 0
            while ret == 0:
                ret = esp.spi_device_get_trans_result(self.spi,
                                                      self.trans_result_ptr, 1)

            # Remove device

            esp.spi_bus_remove_device(self.spi)
            self.spi = None

            # Free SPI bus

            esp.spi_bus_free(self.spihost)
            self.spihost = None

        # Free RAM

        if self.buf1:
            esp.heap_caps_free(self.buf1)
            self.buf1 = None

        if self.buf2:
            esp.heap_caps_free(self.buf2)
            self.buf2 = None

        if self.trans_buffer:
            esp.heap_caps_free(self.trans_buffer)
            self.trans_buffer = None