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i2c_software: Place wires in high impedance state after setup

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Don't leave the wires in a high output state during setup - leave them
in a high-impedance with pullup state.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2025-07-14 14:39:15 -04:00
parent b761b8c654
commit 3219712c17
1 changed files with 2 additions and 2 deletions
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4
src/i2c_software.c
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@ -28,10 +28,10 @@ command_i2c_set_sw_bus(uint32_t *args)
struct i2c_software *is = alloc_chunk(sizeof(*is));
is->ticks = args[3];
is->addr = (args[4] & 0x7f) << 1; // address format shifted
is->scl_in = gpio_in_setup(args[1], 1);
is->scl_out = gpio_out_setup(args[1], 1);
is->sda_in = gpio_in_setup(args[2], 1);
is->scl_in = gpio_in_setup(args[1], 1);
is->sda_out = gpio_out_setup(args[2], 1);
is->sda_in = gpio_in_setup(args[2], 1);
i2cdev_set_software_bus(i2c, is);
}
DECL_COMMAND(command_i2c_set_sw_bus,