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mimxrt/machine_pin: Perform full configuration in machine_pin_set_mode. 

machine_pin_set_mode() is used by the internal mp_hal_pin_xxx() set of
functions to configure pins.
This commit is contained in:
robert-hh 2023-05-06 15:31:43 +02:00 committed by Damien George
parent 14b862f70f
commit 65d376b11d
1 changed files with 7 additions and 5 deletions
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12
ports/mimxrt/machine_pin.c
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@ -174,15 +174,17 @@ void machine_pin_irq_deinit(void) {
// Simplified mode setting used by the extmod modules
void machine_pin_set_mode(const machine_pin_obj_t *self, uint8_t mode) {
gpio_pin_config_t pin_config = {kGPIO_DigitalInput, 1, kGPIO_NoIntmode};
uint32_t pad_config;
pin_config.direction = (mode == PIN_MODE_IN ? kGPIO_DigitalInput : kGPIO_DigitalOutput);
GPIO_PinInit(self->gpio, self->pin, &pin_config);
if (mode == PIN_MODE_OPEN_DRAIN) {
uint32_t pad_config = *(uint32_t *)self->configRegister;
pad_config |= IOMUXC_SW_PAD_CTL_PAD_ODE(0b1) | IOMUXC_SW_PAD_CTL_PAD_DSE(0b110);
IOMUXC_SetPinMux(self->muxRegister, PIN_AF_MODE_ALT5, 0, 0, self->configRegister, 1U); // Software Input On Field: Input Path is determined by functionality
IOMUXC_SetPinConfig(self->muxRegister, PIN_AF_MODE_ALT5, 0, 0, self->configRegister, pad_config);
pad_config = pin_generate_config(PIN_PULL_UP_22K, mode, PIN_DRIVE_3, self->configRegister);
} else {
pad_config = pin_generate_config(PIN_PULL_DISABLED, mode, PIN_DRIVE_3, self->configRegister);
}
IOMUXC_SetPinConfig(self->muxRegister, PIN_AF_MODE_ALT5, 0, 0, self->configRegister, pad_config);
IOMUXC_SetPinMux(self->muxRegister, PIN_AF_MODE_ALT5, 0, 0, self->configRegister, 1U);
GPIO_PinInit(self->gpio, self->pin, &pin_config);
}
STATIC mp_obj_t machine_pin_obj_call(mp_obj_t self_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {