Make sure SPI lock is free initially

siehputz · siehputz · commit 8d27533cd45f · 2020-09-06T18:03:25.000-05:00
diff --git a/shared-module/board/__init__.c b/shared-module/board/__init__.c
@@ -89,6 +89,8 @@ mp_obj_t common_hal_board_create_spi(void) {
     const mcu_pin_obj_t* mosi = MP_OBJ_TO_PTR(DEFAULT_SPI_BUS_MOSI);
     const mcu_pin_obj_t* miso = MP_OBJ_TO_PTR(DEFAULT_SPI_BUS_MISO);
     common_hal_busio_spi_construct(self, clock, mosi, miso);
+    // make sure lock is not held initially
+    common_hal_busio_spi_unlock(self);
     spi_singleton = (mp_obj_t)self;
     return spi_singleton;
 }

Original file line number	Diff line number	Diff line change
`@@ -89,6 +89,8 @@ mp_obj_t common_hal_board_create_spi(void) {`
`89`	`89`	`const mcu_pin_obj_t* mosi = MP_OBJ_TO_PTR(DEFAULT_SPI_BUS_MOSI);`
`90`	`90`	`const mcu_pin_obj_t* miso = MP_OBJ_TO_PTR(DEFAULT_SPI_BUS_MISO);`
`91`	`91`	`common_hal_busio_spi_construct(self, clock, mosi, miso);`
	`92`	`+ // make sure lock is not held initially`
	`93`	`+ common_hal_busio_spi_unlock(self);`
`92`	`94`	`spi_singleton = (mp_obj_t)self;`
`93`	`95`	`return spi_singleton;`
`94`	`96`	`}`