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zephyr/machine_pin: Retry configuring gpio with just GPIO_OUTPUT.
Some targets like frdm_k64f don't support GPIO_OUTPUT|GPIO_INPUT, so just use GPIO_OUTPUT in those cases (it seems they still support reading the current output state even when configured only as GPIO_OUTPUT, unlike other targets which require both settings). Signed-off-by: Damien George <damien@micropython.org>
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@@ -116,6 +116,10 @@ static mp_obj_t machine_pin_obj_init_helper(machine_pin_obj_t *self, size_t n_ar
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}
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int ret = gpio_pin_configure(self->port, self->pin, mode | pull | init);
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if (ret == -ENOTSUP && mode == (GPIO_OUTPUT | GPIO_INPUT)) {
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// Some targets (eg frdm_k64f) don't support GPIO_OUTPUT|GPIO_INPUT, so try again with just GPIO_OUTPUT.
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ret = gpio_pin_configure(self->port, self->pin, GPIO_OUTPUT | pull | init);
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}
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if (ret) {
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mp_raise_ValueError(MP_ERROR_TEXT("invalid pin"));
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}
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