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esp32/machine_hw_spi: Allow None for unused pins in initializer. 

Make the hardware SPI initializer method match the `init()` method by 
allowing `None` to be given for `sck`/`mosi`/`miso` to specify an unused 
signal.
This commit is contained in:
Jonathan Hogg 2021-06-16 13:31:46 +01:00 committed by Damien George
parent 364670ecf1
commit 89945b1989
1 changed files with 29 additions and 3 deletions
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32
ports/esp32/machine_hw_spi.c
View File

@ -411,6 +411,32 @@ mp_obj_t machine_hw_spi_make_new(const mp_obj_type_t *type, size_t n_args, size_
}
self->base.type = &machine_hw_spi_type;
int8_t sck, mosi, miso;
if (args[ARG_sck].u_obj == MP_OBJ_NULL) {
sck = default_pins->sck;
} else if (args[ARG_sck].u_obj == mp_const_none) {
sck = -1;
} else {
sck = machine_pin_get_id(args[ARG_sck].u_obj);
}
if (args[ARG_mosi].u_obj == MP_OBJ_NULL) {
mosi = default_pins->mosi;
} else if (args[ARG_mosi].u_obj == mp_const_none) {
mosi = -1;
} else {
mosi = machine_pin_get_id(args[ARG_mosi].u_obj);
}
if (args[ARG_miso].u_obj == MP_OBJ_NULL) {
miso = default_pins->miso;
} else if (args[ARG_miso].u_obj == mp_const_none) {
miso = -1;
} else {
miso = machine_pin_get_id(args[ARG_miso].u_obj);
}
machine_hw_spi_init_internal(
self,
args[ARG_id].u_int,
@ -419,9 +445,9 @@ mp_obj_t machine_hw_spi_make_new(const mp_obj_type_t *type, size_t n_args, size_
args[ARG_phase].u_int,
args[ARG_bits].u_int,
args[ARG_firstbit].u_int,
args[ARG_sck].u_obj == MP_OBJ_NULL ? default_pins->sck : machine_pin_get_id(args[ARG_sck].u_obj),
args[ARG_mosi].u_obj == MP_OBJ_NULL ? default_pins->mosi : machine_pin_get_id(args[ARG_mosi].u_obj),
args[ARG_miso].u_obj == MP_OBJ_NULL ? default_pins->miso : machine_pin_get_id(args[ARG_miso].u_obj));
sck,
mosi,
miso);
return MP_OBJ_FROM_PTR(self);
}