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ports/psoc6: Adding code for machine.Signal functionality. #77

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Aug 11, 2023
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ports/psoc6: Adding code for machine.Signal functionality. #77

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3 changes: 3 additions & 0 deletions docs/psoc6/quickref.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -146,6 +146,9 @@ The following constants are used to configure the pin objects in addition to the

Selects the pin value.

There's a higher-level abstraction :ref:`machine.Signal <machine.Signal>`
which can be used to invert a pin. Useful for illuminating active-low LEDs
using ``on()`` or ``value(1)``.

Software I2C bus
----------------
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21 changes: 21 additions & 0 deletions ports/psoc6/modules/machine/machine_pin.c
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Expand Up @@ -7,6 +7,7 @@
#include "modmachine.h"
#include "drivers/machine/psoc6_gpio.h"
#include "pins.h"
#include "extmod/virtpin.h"
#include "mplogger.h"


Expand Down Expand Up @@ -326,12 +327,32 @@ STATIC const mp_rom_map_elem_t machine_pin_locals_dict_table[] = {
};
STATIC MP_DEFINE_CONST_DICT(machine_pin_locals_dict, machine_pin_locals_dict_table);

STATIC mp_uint_t pin_ioctl(mp_obj_t self_in, mp_uint_t request, uintptr_t arg, int *errcode) {
(void)errcode;
machine_pin_obj_t *self = self_in;
switch (request) {
case MP_PIN_READ: {
return cyhal_gpio_read(self->pin_addr);
}
case MP_PIN_WRITE: {
cyhal_gpio_write(self->pin_addr, arg);
return 0;
}
}
return -1;
}

STATIC const mp_pin_p_t pin_pin_p = {
.ioctl = pin_ioctl,
};

MP_DEFINE_CONST_OBJ_TYPE(
machine_pin_type,
MP_QSTR_Pin,
MP_TYPE_FLAG_NONE,
make_new, mp_pin_make_new,
print, machine_pin_print,
call, machine_pin_call,
protocol, &pin_pin_p,
locals_dict, &machine_pin_locals_dict
);
1 change: 1 addition & 0 deletions ports/psoc6/modules/machine/modmachine.c
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Expand Up @@ -258,6 +258,7 @@ STATIC const mp_rom_map_elem_t machine_module_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_i2c_type) },
{ MP_ROM_QSTR(MP_QSTR_SoftI2C), MP_ROM_PTR(&mp_machine_soft_i2c_type) },
{ MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&machine_pin_type) },
{ MP_ROM_QSTR(MP_QSTR_Signal), MP_ROM_PTR(&machine_signal_type) },
{ MP_ROM_QSTR(MP_QSTR_RTC), MP_ROM_PTR(&machine_rtc_type) },
{ MP_ROM_QSTR(MP_QSTR_PWM), MP_ROM_PTR(&machine_pwm_type) },
{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&machine_spi_type) },
Expand Down
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