extmod/machine_spi: Make SPI protocol structure public.

So it can be referenced directly without the need for the uPy object.

1 files changed, 1 insertions, 0 deletions

diff --git a/extmod/machine_spi.h b/extmod/machine_spi.h
index e24e41eb3..3ee1b241f 100644
--- a/extmod/machine_spi.h
+++ b/extmod/machine_spi.h
@@ -46,6 +46,7 @@ typedef struct _mp_machine_soft_spi_obj_t {
     mp_hal_pin_obj_t miso;
 } mp_machine_soft_spi_obj_t;
 
+extern const mp_machine_spi_p_t mp_machine_soft_spi_p;
 extern const mp_obj_type_t mp_machine_soft_spi_type;
 extern const mp_obj_dict_t mp_machine_spi_locals_dict;