esp-idf/examples/peripherals/i2c/i2c_tools/example_test.py

38 wiersze
1.2 KiB
Python

from __future__ import print_function
import ttfw_idf
EXPECT_TIMEOUT = 20
@ttfw_idf.idf_example_test(env_tag='Example_I2C_CCS811_SENSOR')
def test_i2ctools_example(env, extra_data):
# Get device under test, flash and start example. "i2ctool" must be defined in EnvConfig
dut = env.get_dut('i2ctools', 'examples/peripherals/i2c/i2c_tools', dut_class=ttfw_idf.ESP32DUT)
dut.start_app()
dut.expect("i2c-tools>", timeout=EXPECT_TIMEOUT)
# Get i2c address
dut.write("i2cdetect")
dut.expect("5b", timeout=EXPECT_TIMEOUT)
# Get chip ID
dut.write("i2cget -c 0x5b -r 0x20 -l 1")
dut.expect("0x81", timeout=EXPECT_TIMEOUT)
# Reset sensor
dut.write("i2cset -c 0x5b -r 0xFF 0x11 0xE5 0x72 0x8A")
dut.expect("OK", timeout=EXPECT_TIMEOUT)
# Get status
dut.write("i2cget -c 0x5b -r 0x00 -l 1")
dut.expect_any("0x10", timeout=EXPECT_TIMEOUT)
# Change work mode
dut.write("i2cset -c 0x5b -r 0xF4")
dut.expect("OK", timeout=EXPECT_TIMEOUT)
dut.write("i2cset -c 0x5b -r 0x01 0x10")
dut.expect("OK", timeout=EXPECT_TIMEOUT)
# Get new status
dut.write("i2cget -c 0x5b -r 0x00 -l 1")
dut.expect_any("0x98", "0x90", timeout=EXPECT_TIMEOUT)
if __name__ == '__main__':
test_i2ctools_example()