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cc3200: Add alt param to Pin constructor.

modjni
Daniel Campora 2015-08-23 13:52:31 +02:00
parent 86854c7071
commit 475c60eefc
2 changed files with 7 additions and 1 deletions
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7
cc3200/mods/pybpin.c
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@ -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);

1
cc3200/qstrdefsport.h
View File

@ -120,6 +120,7 @@ Q(id)
Q(mode)
Q(pull)
Q(drive)
Q(alt)
Q(IN)
Q(OUT)
Q(OPEN_DRAIN)