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62 lines
1.4 KiB
Python
62 lines
1.4 KiB
Python
"""Tests for the st7701s init sequence codegen."""
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from collections.abc import Callable
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from pathlib import Path
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import re
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_YAML = """
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esphome:
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name: st7701s-test
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esp32:
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board: esp32-s3-devkitc-1
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framework:
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type: esp-idf
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psram:
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mode: octal
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spi:
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clk_pin: 10
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mosi_pin: 11
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display:
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{displays}
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"""
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_DISPLAY = """
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- platform: st7701s
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id: {display_id}
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dimensions:
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width: 480
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height: 480
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cs_pin: {cs_pin}
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de_pin: 18
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hsync_pin: 16
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vsync_pin: 17
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pclk_pin: 21
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init_sequence:
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- 1
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- [0x23, 0xA, 0xB]
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- delay 20ms
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data_pins: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 13, 14, 15, 38, 39]
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"""
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def test_init_sequence_is_progmem_table(
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generate_main: Callable[[str | Path], str],
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tmp_path: Path,
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) -> None:
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"""The init sequence is a PROGMEM table instead of a vector copied at boot."""
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yaml_file = tmp_path / "st7701s.yaml"
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yaml_file.write_text(
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_YAML.format(displays=_DISPLAY.format(display_id="panel", cs_pin=44))
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)
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main_cpp = generate_main(yaml_file)
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call = re.search(r"panel->set_init_sequence\((\w+), (\d+)\);", main_cpp)
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assert call is not None
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table = re.search(
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rf"static constexpr uint8_t {call.group(1)}\[\] PROGMEM = \{{([^;]*)\}};",
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main_cpp,
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)
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assert table is not None
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assert len(table.group(1).split(",")) == int(call.group(2))
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