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Code Issues Releases Wiki Activity

Extend ST7789V component to support additional displays (#3651)

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Co-authored-by: definitio <37266727+definitio@users.noreply.github.com>
This commit is contained in:
Keith Burzinski
2022-08-07 14:54:48 -05:00
committed by GitHub
parent 4791093e48
commit 522646c64d
4 changed files with 166 additions and 33 deletions
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67
esphome/components/st7789v/display.py
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@@ -4,15 +4,21 @@ from esphome import pins
from esphome.components import display, spi
from esphome.const import (
CONF_BACKLIGHT_PIN,
CONF_BRIGHTNESS,
CONF_CS_PIN,
CONF_DC_PIN,
CONF_HEIGHT,
CONF_ID,
CONF_LAMBDA,
CONF_MODEL,
CONF_RESET_PIN,
CONF_WIDTH,
)
from . import st7789v_ns
CONF_EIGHTBITCOLOR = "eightbitcolor"
CONF_OFFSET_HEIGHT = "offset_height"
CONF_OFFSET_WIDTH = "offset_width"
CODEOWNERS = ["@kbx81"]
DEPENDENCIES = ["spi"]
@@ -21,28 +27,79 @@ ST7789V = st7789v_ns.class_(
"ST7789V", cg.PollingComponent, spi.SPIDevice, display.DisplayBuffer
)
ST7789VRef = ST7789V.operator("ref")
ST7789VModel = st7789v_ns.enum("ST7789VModel")
CONFIG_SCHEMA = (
MODELS = {
"TTGO_TDISPLAY_135X240": ST7789VModel.ST7789V_MODEL_TTGO_TDISPLAY_135_240,
"ADAFRUIT_FUNHOUSE_240X240": ST7789VModel.ST7789V_MODEL_ADAFRUIT_FUNHOUSE_240_240,
"ADAFRUIT_RR_280X240": ST7789VModel.ST7789V_MODEL_ADAFRUIT_RR_280_240,
"CUSTOM": ST7789VModel.ST7789V_MODEL_CUSTOM,
}
ST7789V_MODEL = cv.enum(MODELS, upper=True, space="_")
def validate_st7789v(config):
if config[CONF_MODEL].upper() == "CUSTOM" and (
CONF_HEIGHT not in config
or CONF_WIDTH not in config
or CONF_OFFSET_HEIGHT not in config
or CONF_OFFSET_WIDTH not in config
):
raise cv.Invalid(
f'{CONF_HEIGHT}, {CONF_WIDTH}, {CONF_OFFSET_HEIGHT} and {CONF_OFFSET_WIDTH} must be specified when {CONF_MODEL} is "CUSTOM"'
)
if config[CONF_MODEL].upper() != "CUSTOM" and (
CONF_HEIGHT in config
or CONF_WIDTH in config
or CONF_OFFSET_HEIGHT in config
or CONF_OFFSET_WIDTH in config
):
raise cv.Invalid(
f'Do not specify {CONF_HEIGHT}, {CONF_WIDTH}, {CONF_OFFSET_HEIGHT} or {CONF_OFFSET_WIDTH} when using {CONF_MODEL} that is not "CUSTOM"'
)
return config
CONFIG_SCHEMA = cv.All(
display.FULL_DISPLAY_SCHEMA.extend(
{
cv.GenerateID(): cv.declare_id(ST7789V),
cv.Required(CONF_MODEL): ST7789V_MODEL,
cv.Required(CONF_RESET_PIN): pins.gpio_output_pin_schema,
cv.Required(CONF_DC_PIN): pins.gpio_output_pin_schema,
cv.Required(CONF_CS_PIN): pins.gpio_output_pin_schema,
cv.Optional(CONF_BACKLIGHT_PIN): pins.gpio_output_pin_schema,
cv.Optional(CONF_BRIGHTNESS, default=1.0): cv.percentage,
cv.Optional(CONF_EIGHTBITCOLOR, default=False): cv.boolean,
cv.Optional(CONF_HEIGHT): cv.int_,
cv.Optional(CONF_WIDTH): cv.int_,
cv.Optional(CONF_OFFSET_HEIGHT): cv.int_,
cv.Optional(CONF_OFFSET_WIDTH): cv.int_,
}
)
.extend(cv.polling_component_schema("5s"))
.extend(spi.spi_device_schema())
.extend(spi.spi_device_schema()),
validate_st7789v,
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await cg.register_component(var, config)
await display.register_display(var, config)
await spi.register_spi_device(var, config)
cg.add(var.set_model(config[CONF_MODEL]))
if config[CONF_MODEL].upper() == "CUSTOM":
cg.add(var.set_height(config[CONF_HEIGHT]))
cg.add(var.set_width(config[CONF_WIDTH]))
cg.add(var.set_offset_height(config[CONF_OFFSET_HEIGHT]))
cg.add(var.set_offset_width(config[CONF_OFFSET_WIDTH]))
cg.add(var.set_eightbitcolor(config[CONF_EIGHTBITCOLOR]))
dc = await cg.gpio_pin_expression(config[CONF_DC_PIN])
cg.add(var.set_dc_pin(dc))
@@ -58,5 +115,3 @@ async def to_code(config):
config[CONF_LAMBDA], [(display.DisplayBufferRef, "it")], return_type=cg.void
)
cg.add(var.set_writer(lambda_))
await display.register_display(var, config)