esp32/machine_pin: Only expose IO20 on esp32 for IDF 4.3.2 and above.

dpgeorge · dpgeorge · commit 85597aa68e11 · 2022-06-08T18:29:01.000+10:00
This IO was enabled in IDF commit 68f8b99, which is available in IDF release v4.3.2 and above. Signed-off-by: Damien George <damien@micropython.org>
diff --git a/ports/esp32/machine_pin.c b/ports/esp32/machine_pin.c
@@ -92,7 +92,7 @@ STATIC const machine_pin_obj_t machine_pin_obj[] = {
     #endif
     {{&machine_pin_type}, GPIO_NUM_18},
     {{&machine_pin_type}, GPIO_NUM_19},
-    #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 1, 0)
+    #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 2)
     {{&machine_pin_type}, GPIO_NUM_20},
     #else
     {{NULL}, -1},
@@ -572,7 +572,7 @@ STATIC const machine_pin_irq_obj_t machine_pin_irq_object[] = {
     #endif
     {{&machine_pin_irq_type}, GPIO_NUM_18},
     {{&machine_pin_irq_type}, GPIO_NUM_19},
-    #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 1, 0)
+    #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 2)
     {{&machine_pin_irq_type}, GPIO_NUM_20},
     #else
     {{NULL}, -1},
