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Merge pull request #5123 from gamblor21/keypad_dup_pin_check

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Check for duplicate pins in rows and columns
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Mark 2021-08-19 22:20:04 -05:00 committed by GitHub
commit f9f106b58d
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6 changed files with 55 additions and 0 deletions
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8
locale/circuitpython.pot
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@ -66,6 +66,14 @@ msgid ""
"%d address pins, %d rgb pins and %d tiles indicate a height of %d, not %d"
msgstr ""
#: shared-bindings/microcontroller/Pin.c
msgid "%q and %q contain duplicate pins"
msgstr ""
#: shared-bindings/microcontroller/Pin.c
msgid "%q contains duplicate pins"
msgstr ""
#: ports/atmel-samd/common-hal/sdioio/SDCard.c
msgid "%q failure: %d"
msgstr ""

3
ports/stm/boards/stm32f411ce_blackpill_with_flash/mpconfigboard.mk
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@ -16,3 +16,6 @@ MCU_PACKAGE = UFQFPN48
LD_COMMON = boards/common_default.ld
LD_FILE = boards/STM32F411_nofs.ld
# Too big for the flash
CIRCUITPY_ULAB = 0

2
shared-bindings/keypad/KeyMatrix.c
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@ -90,6 +90,8 @@ STATIC mp_obj_t keypad_keymatrix_make_new(const mp_obj_type_t *type, size_t n_ar
mcu_pin_obj_t *row_pins_array[num_row_pins];
mcu_pin_obj_t *column_pins_array[num_column_pins];
validate_no_duplicate_pins_2(row_pins, column_pins, MP_QSTR_row_pins, MP_QSTR_column_pins);
for (size_t row = 0; row < num_row_pins; row++) {
mcu_pin_obj_t *pin =
validate_obj_is_free_pin(mp_obj_subscr(row_pins, MP_OBJ_NEW_SMALL_INT(row), MP_OBJ_SENTINEL));

1
shared-bindings/keypad/Keys.c
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@ -78,6 +78,7 @@ STATIC mp_obj_t keypad_keys_make_new(const mp_obj_type_t *type, size_t n_args, c
mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
mp_obj_t pins = args[ARG_pins].u_obj;
validate_no_duplicate_pins(pins, MP_QSTR_row_pins);
// mp_obj_len() will be >= 0.
const size_t num_pins = (size_t)MP_OBJ_SMALL_INT_VALUE(mp_obj_len(pins));

39
shared-bindings/microcontroller/Pin.c
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@ -105,6 +105,45 @@ mcu_pin_obj_t *validate_obj_is_free_pin(mp_obj_t obj) {
return pin;
}
// Validate every element in the list is a unique pin
void validate_no_duplicate_pins(mp_obj_t seq, qstr arg_name) {
const size_t num_pins = (size_t)MP_OBJ_SMALL_INT_VALUE(mp_obj_len(seq));
for (size_t pin_cnt = 0; pin_cnt < num_pins; pin_cnt++) {
mp_obj_t pin1_obj = mp_obj_subscr(seq, MP_OBJ_NEW_SMALL_INT(pin_cnt), MP_OBJ_SENTINEL);
mcu_pin_obj_t *pin1 = validate_obj_is_pin(pin1_obj);
for (size_t pin_cnt_2 = pin_cnt + 1; pin_cnt_2 < num_pins; pin_cnt_2++) {
mp_obj_t pin2_obj = mp_obj_subscr(seq, MP_OBJ_NEW_SMALL_INT(pin_cnt_2), MP_OBJ_SENTINEL);
mcu_pin_obj_t *pin2 = validate_obj_is_pin(pin2_obj);
if (pin1 == pin2) {
mp_raise_TypeError_varg(translate("%q contains duplicate pins"), arg_name);
}
}
}
}
void validate_no_duplicate_pins_2(mp_obj_t seq1, mp_obj_t seq2, qstr arg_name1, qstr arg_name2) {
const size_t num_pins_1 = (size_t)MP_OBJ_SMALL_INT_VALUE(mp_obj_len(seq1));
const size_t num_pins_2 = (size_t)MP_OBJ_SMALL_INT_VALUE(mp_obj_len(seq2));
validate_no_duplicate_pins(seq1, arg_name1);
validate_no_duplicate_pins(seq2, arg_name2);
for (size_t pin_cnt_1 = 0; pin_cnt_1 < num_pins_1; pin_cnt_1++) {
mp_obj_t pin1_obj = mp_obj_subscr(seq1, MP_OBJ_NEW_SMALL_INT(pin_cnt_1), MP_OBJ_SENTINEL);
mcu_pin_obj_t *pin1 = validate_obj_is_pin(pin1_obj);
for (size_t pin_cnt_2 = 0; pin_cnt_2 < num_pins_2; pin_cnt_2++) {
mp_obj_t pin2_obj = mp_obj_subscr(seq2, MP_OBJ_NEW_SMALL_INT(pin_cnt_2), MP_OBJ_SENTINEL);
mcu_pin_obj_t *pin2 = validate_obj_is_pin(pin2_obj);
if (pin1 == pin2) {
mp_raise_TypeError_varg(translate("%q and %q contain duplicate pins"), arg_name1, arg_name2);
}
}
}
}
// Validate every element in the list to be a free pin.
void validate_list_is_free_pins(qstr what, mcu_pin_obj_t **pins_out, mp_int_t max_pins, mp_obj_t seq, uint8_t *count_out) {
mp_int_t len = MP_OBJ_SMALL_INT_VALUE(mp_obj_len(seq));

2
shared-bindings/microcontroller/Pin.h
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@ -37,6 +37,8 @@ mcu_pin_obj_t *validate_obj_is_pin(mp_obj_t obj);
mcu_pin_obj_t *validate_obj_is_pin_or_none(mp_obj_t obj);
mcu_pin_obj_t *validate_obj_is_free_pin(mp_obj_t obj);
mcu_pin_obj_t *validate_obj_is_free_pin_or_none(mp_obj_t obj);
void validate_no_duplicate_pins(mp_obj_t seq, qstr arg_name);
void validate_no_duplicate_pins_2(mp_obj_t seq1, mp_obj_t seq2, qstr arg_name1, qstr arg_name2);
void validate_list_is_free_pins(qstr what, mcu_pin_obj_t **pins_out, mp_int_t max_pins, mp_obj_t seq, uint8_t *count_out);
void validate_pins(qstr what, uint8_t *pin_nos, mp_int_t max_pins, mp_obj_t seq, uint8_t *count_out);