spi test: describe the wiring of param test in the comments
@@ -432,6 +432,16 @@ TEST_SPI_LOCAL(MODE, mode_pgroup)
/********************************************************************************
* Test By Master & Slave (2 boards)
+ *
+ * Wiring:
+ * | Master | Slave |
+ * | ------ | ----- |
+ * | 12 | 19 |
+ * | 13 | 23 |
+ * | 14 | 18 |
+ * | 15 | 5 |
+ * | GND | GND |
+ *
********************************************************************************/
static void test_master_init(void** context);
static void test_master_deinit(void* context);
