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test_i2c: test reading config

This commit is contained in:
Andrew Dennison 2023-02-01 10:53:09 +11:00
parent ad37e17743
commit 90128756f9
1 changed files with 2 additions and 0 deletions
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2
test/test_i2c.py
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@ -90,6 +90,8 @@ class TestI2C(unittest.TestCase):
def check(): def check():
yield from dut.bus.write(I2C_CONFIG_ADDR, 4) yield from dut.bus.write(I2C_CONFIG_ADDR, 4)
data = (yield from dut.bus.read(I2C_CONFIG_ADDR)) & 0xff
self.assertEqual(data, 4)
yield from dut.bus.write(I2C_XFER_ADDR, I2C_START) yield from dut.bus.write(I2C_XFER_ADDR, I2C_START)
yield from check_trans(scl=True, sda=False) yield from check_trans(scl=True, sda=False)