diff options
Diffstat (limited to 'cc3200/mods/pybpin.c')
| -rw-r--r-- | cc3200/mods/pybpin.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/cc3200/mods/pybpin.c b/cc3200/mods/pybpin.c index 28c33654f..bbf40b585 100644 --- a/cc3200/mods/pybpin.c +++ b/cc3200/mods/pybpin.c @@ -418,6 +418,7 @@ STATIC void EXTI_Handler(uint port) { /// - `Pin.LOW_POWER` - 2ma drive strength /// - `Pin.MED_POWER` - 4ma drive strength /// - `Pin.HIGH_POWER` - 6ma drive strength +/// - `alt` selects the alternate function (a number from 0 to 15). /// /// Returns: `None`. STATIC const mp_arg_t pin_init_args[] = { @@ -425,6 +426,7 @@ STATIC const mp_arg_t pin_init_args[] = { { MP_QSTR_pull, MP_ARG_INT, {.u_int = PIN_TYPE_STD} }, { MP_QSTR_value, MP_ARG_KW_ONLY | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} }, { MP_QSTR_drive, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = PIN_STRENGTH_4MA} }, + { MP_QSTR_alt, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = -1} }, }; #define pin_INIT_NUM_ARGS MP_ARRAY_SIZE(pin_init_args) @@ -455,7 +457,10 @@ STATIC mp_obj_t pin_obj_init_helper(pin_obj_t *self, mp_uint_t n_args, const mp_ uint strength = args[3].u_int; pin_validate_drive(strength); - int af = (mode == GPIO_DIR_MODE_ALT || mode == GPIO_DIR_MODE_ALT_OD) ? -1 : PIN_MODE_0; + int af = args[4].u_int; + if ((af > 0 && (mode != GPIO_DIR_MODE_ALT || mode != GPIO_DIR_MODE_ALT_OD)) || af > 15) { + nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_value_invalid_arguments)); + } // configure the pin as requested pin_config (self, af, mode, pull, value, strength); |