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extmod/machine_i2s: Factor init_helper argument parsing.

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Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George
2023-10-10 12:53:42 +11:00
parent 676f9bb78c
commit 46ae3b5a34
5 changed files with 44 additions and 129 deletions
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32
ports/esp32/machine_i2s.c
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@@ -351,37 +351,7 @@ STATIC void task_for_non_blocking_mode(void *self_in) {
}
}
STATIC void mp_machine_i2s_init_helper(machine_i2s_obj_t *self, size_t n_pos_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
enum {
ARG_sck,
ARG_ws,
ARG_sd,
ARG_mode,
ARG_bits,
ARG_format,
ARG_rate,
ARG_ibuf,
};
static const mp_arg_t allowed_args[] = {
{ MP_QSTR_sck, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ MP_QSTR_ws, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ MP_QSTR_sd, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_OBJ, {.u_obj = MP_OBJ_NULL} },
{ MP_QSTR_mode, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT, {.u_int = -1} },
{ MP_QSTR_bits, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT, {.u_int = -1} },
{ MP_QSTR_format, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT, {.u_int = -1} },
{ MP_QSTR_rate, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT, {.u_int = -1} },
{ MP_QSTR_ibuf, MP_ARG_KW_ONLY | MP_ARG_REQUIRED | MP_ARG_INT, {.u_int = -1} },
};
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_pos_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
//
// ---- Check validity of arguments ----
//
STATIC void mp_machine_i2s_init_helper(machine_i2s_obj_t *self, mp_arg_val_t *args) {
// are Pins valid?
int8_t sck = args[ARG_sck].u_obj == MP_OBJ_NULL ? -1 : machine_pin_get_id(args[ARG_sck].u_obj);
int8_t ws = args[ARG_ws].u_obj == MP_OBJ_NULL ? -1 : machine_pin_get_id(args[ARG_ws].u_obj);