stm: Clean up main.c; disable libgcc by default.

f2d and d2f functions from libgcc does not work correctly, most likely
due to the ABI being incorrect.  libgcc disabled for now.

1 files changed, 7 insertions, 1 deletions

diff --git a/stm/led.h b/stm/led.h
index c68f3e414..44c68d4eb 100644
--- a/stm/led.h
+++ b/stm/led.h
@@ -1,8 +1,14 @@
 typedef enum {
+    // PYBv3
     PYB_LED_R1 = 1,
     PYB_LED_R2 = 2,
     PYB_LED_G1 = 3,
     PYB_LED_G2 = 4,
+    // PYBv4
+    PYB_LED_RED = 1,
+    PYB_LED_GREEN = 2,
+    PYB_LED_YELLOW = 3,
+    PYB_LED_BLUE = 4,
     //STM32F4DISC
     PYB_LED_R = 1,
     PYB_LED_G = 2,
@@ -14,4 +20,4 @@ void led_init(void);
 void led_state(pyb_led_t led, int state);
 void led_toggle(pyb_led_t led);
 
-mp_obj_t pyb_Led(mp_obj_t led_id);
+MP_DECLARE_CONST_FUN_OBJ(pyb_Led_obj);