def power_down(self):
if self.power != -1:
esp.gpio_set_level(self.power, 1 - self.power_on)
if self.backlight != -1:
esp.gpio_set_level(self.backlight, 1 - self.backlight_on)
def send_data(self, data):
esp.gpio_set_level(self.dc, 1) # Data mode
if len(data) > TRANS_BUFFER_LEN:
raise RuntimeError('Data too long, please use DMA!')
trans_data = self.trans_buffer.__dereference__(len(data))
trans_data[:] = data[:]
self.spi_send(trans_data)
def init(self):
self.disp_spi_init()
esp.gpio_pad_select_gpio(self.dc)
# Initialize non-SPI GPIOs
esp.gpio_set_direction(self.dc, esp.GPIO_MODE.OUTPUT)
esp.gpio_set_direction(self.rst, esp.GPIO_MODE.OUTPUT)
if self.backlight != -1:
esp.gpio_set_direction(self.backlight, esp.GPIO_MODE.OUTPUT)
# Reset the display
esp.gpio_set_level(self.rst, 0)
esp.task_delay_ms(100)
esp.gpio_set_level(self.rst, 1)
esp.task_delay_ms(100)
# Send all the commands
for cmd in self.init_cmds:
self.send_cmd(cmd['cmd'])
self.send_data(cmd['data'])
if 'delay' in cmd:
esp.task_delay_ms(cmd['delay'])
print("ILI9341 initialization completed")
# Enable backlight
if self.backlight != -1:
print("Enable backlight")
esp.gpio_set_level(self.backlight, 1)
async def _init(self, sleep_func):
# Initialize non-SPI GPIOs
esp.gpio_pad_select_gpio(self.dc)
if self.rst != -1: esp.gpio_pad_select_gpio(self.rst)
if self.backlight != -1: esp.gpio_pad_select_gpio(self.backlight)
if self.power != -1: esp.gpio_pad_select_gpio(self.power)
esp.gpio_set_direction(self.dc, esp.GPIO_MODE.OUTPUT)
if self.rst != -1:
esp.gpio_set_direction(self.rst, esp.GPIO_MODE.OUTPUT)
if self.backlight != -1:
esp.gpio_set_direction(self.backlight, esp.GPIO_MODE.OUTPUT)
if self.power != -1:
esp.gpio_set_direction(self.power, esp.GPIO_MODE.OUTPUT)
# Power the display
if self.power != -1:
esp.gpio_set_level(self.power, self.power_on)
await sleep_func(100)
# Reset the display
if self.rst != -1:
esp.gpio_set_level(self.rst, 0)
await sleep_func(100)
esp.gpio_set_level(self.rst, 1)
await sleep_func(100)
# Send all the commands
for cmd in self.init_cmds:
self.send_cmd(cmd['cmd'])
if 'data' in cmd:
self.send_data(cmd['data'])
if 'delay' in cmd:
await sleep_func(cmd['delay'])
print("{} initialization completed".format(self.display_name))
# Enable backlight
if self.backlight != -1:
print("Enable backlight")
esp.gpio_set_level(self.backlight, self.backlight_on)
# Register the driver
self.disp_drv.register()
def init(self):
self.disp_spi_init()
# Initialize non-SPI GPIOs
esp.gpio_pad_select_gpio(self.dc)
esp.gpio_pad_select_gpio(self.rst)
if self.backlight != -1: esp.gpio_pad_select_gpio(self.backlight)
if self.power != -1: esp.gpio_pad_select_gpio(self.power)
esp.gpio_set_direction(self.dc, esp.GPIO_MODE.OUTPUT)
esp.gpio_set_direction(self.rst, esp.GPIO_MODE.OUTPUT)
if self.backlight != -1:
esp.gpio_set_direction(self.backlight, esp.GPIO_MODE.OUTPUT)
if self.power != -1:
esp.gpio_set_direction(self.power, esp.GPIO_MODE.OUTPUT)
# Power the display
if self.power != -1:
esp.gpio_set_level(self.power, self.power_on)
sleep_ms(100)
# Reset the display
esp.gpio_set_level(self.rst, 0)
sleep_ms(100)
esp.gpio_set_level(self.rst, 1)
sleep_ms(100)
# Send all the commands
for cmd in self.init_cmds:
self.send_cmd(cmd['cmd'])
if 'data' in cmd:
self.send_data(cmd['data'])
if 'delay' in cmd:
sleep_ms(cmd['delay'])
print("{} initialization completed".format(self.display_name))
# Enable backlight
if self.backlight != -1:
print("Enable backlight")
esp.gpio_set_level(self.backlight, self.backlight_on)
def send_data_dma(self,
data): # data should be allocated as DMA-able memory
esp.gpio_set_level(self.dc, 1) # Data mode
self.spi_send_dma(data)
def send_trans_word(self):
esp.gpio_set_level(self.dc, 1) # Data mode
self.spi_send(self.word_trans_data)
def send_cmd(self, cmd):
esp.gpio_set_level(self.dc, 0) # Command mode
self.cmd_trans_data[0] = cmd
self.spi_send(self.cmd_trans_data)
def send_data(self, data, dma=False):
esp.gpio_set_level(self.dc, 1) # Data mode
self.disp_spi_send(data, dma=dma)
def send_cmd(self, cmd):
self.cmd_data[0] = cmd
esp.gpio_set_level(self.dc, 0) # Command mode
self.disp_spi_send(self.cmd_data)
def send_data(self, data):
esp.gpio_set_level(self.dc, 1) # Data mode
self.disp_spi_send(data)
