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-rw-r--r--ports/stm32/spi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/ports/stm32/spi.c b/ports/stm32/spi.c
index ee2301c80..df71efd3f 100644
--- a/ports/stm32/spi.c
+++ b/ports/stm32/spi.c
@@ -735,6 +735,8 @@ void spi_print(const mp_print_t *print, const spi_t *spi_obj, bool legacy) {
mp_print_str(print, ")");
}
+#if MICROPY_PY_MACHINE_SPI
+
const spi_t *spi_from_mp_obj(mp_obj_t o) {
if (mp_obj_is_type(o, &pyb_spi_type)) {
pyb_spi_obj_t *self = MP_OBJ_TO_PTR(o);
@@ -761,6 +763,8 @@ mp_obj_base_t *mp_hal_get_spi_obj(mp_obj_t o) {
}
}
+#endif
+
/******************************************************************************/
// Implementation of low-level SPI C protocol