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-rw-r--r--ports/stm32/pin.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/ports/stm32/pin.c b/ports/stm32/pin.c
index 1430c7c64a..7de87f2c7b 100644
--- a/ports/stm32/pin.c
+++ b/ports/stm32/pin.c
@@ -577,8 +577,12 @@ static const mp_rom_map_elem_t pin_locals_dict_table[] = {
#endif
// class attributes
+ #if MICROPY_PY_MACHINE_PIN_BOARD_NUM_ENTRIES > 0
{ MP_ROM_QSTR(MP_QSTR_board), MP_ROM_PTR(&pin_board_pins_obj_type) },
+ #endif
+ #if MICROPY_PY_MACHINE_PIN_CPU_NUM_ENTRIES > 0
{ MP_ROM_QSTR(MP_QSTR_cpu), MP_ROM_PTR(&pin_cpu_pins_obj_type) },
+ #endif
// class constants
{ MP_ROM_QSTR(MP_QSTR_IN), MP_ROM_INT(GPIO_MODE_INPUT) },