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Check to see if neopixel is deinited before writing to it

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This commit is contained in:
Tammy Cravit 2022-01-29 11:13:00 -07:00
parent eeeef381fe
commit bd39bf3797
1 changed files with 12 additions and 0 deletions
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12
shared-bindings/neopixel_write/__init__.c
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@ -29,8 +29,15 @@
#include "py/mphal.h"
#include "py/runtime.h"
#include "shared-bindings/digitalio/DigitalInOut.h"
#include "shared-bindings/util.h"
#include "supervisor/shared/translate.h"
STATIC void check_for_deinit(digitalio_digitalinout_obj_t *self) {
if (common_hal_digitalio_digitalinout_deinited(self)) {
raise_deinited_error();
}
}
//| """Low-level neopixel implementation
//|
//| The `neopixel_write` module contains a helper method to write out bytes in
@ -60,8 +67,13 @@ STATIC mp_obj_t neopixel_write_neopixel_write_(mp_obj_t digitalinout_obj, mp_obj
if (!mp_obj_is_type(digitalinout_obj, &digitalio_digitalinout_type)) {
mp_raise_TypeError_varg(translate("Expected a %q"), digitalio_digitalinout_type.name);
}
// Convert parameters into expected types.
const digitalio_digitalinout_obj_t *digitalinout = MP_OBJ_TO_PTR(digitalinout_obj);
// Check to see if the NeoPixel has been deinited before writing to it.
check_for_deinit(digitalinout_obj);
mp_buffer_info_t bufinfo;
mp_get_buffer_raise(buf, &bufinfo, MP_BUFFER_READ);
// Call platform's neopixel write function with provided buffer and options.