chores(flysky gimbal): re-adjust center value to 4096 (2^12)

This prevents values higher than necessary being displayed.
EdgeTX · Jul 8, 2023 · 973d512 · 973d512
1 parent ac4629f
commit 973d512
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/radio/src/targets/common/arm/stm32/flysky_gimbal_driver.h b/radio/src/targets/common/arm/stm32/flysky_gimbal_driver.h
@@ -23,7 +23,13 @@
 #define FLYSKY_HALL_BAUDRATE            ( 921600 )
 #define FLYSKY_HALL_CHANNEL_COUNT       ( 4 )
 
-#define FLYSKY_OFFSET_VALUE             ( 16384 )
+// This value has been chosen arbitrarily to allow
+// for 13-bit precision.
+//
+// Note: Flysky gimbals use a signed 16-bits value whereby
+//       our internal ADC value use unsigned 16-bits value
+//
+#define FLYSKY_OFFSET_VALUE             ( 1 << 12 )
 
 #define FLYSKY_HALL_PROTOLO_HEAD        0x55
 #define FLYSKY_HALL_RESP_TYPE_VALUES    0x0c