Implement disabling keyboard matrix scanning for the left keyboard half, too.

left/src/bridge_protocol_handler.c

@@ -5,6 +5,7 @@
 #include "i2c.h"
 #include "led_pwm.h"
 #include "bridge_protocol.h"
+#include "main.h"
 
 void SetError(uint8_t error);
 void SetGenericError();
@@ -43,5 +44,9 @@ void BridgeProtocolHandler()
             uint8_t brightnessPercent = BridgeRxBuffer[1];
             LedPwm_SetBrightness(brightnessPercent);
             break;
+        case BridgeCommand_SetDisableKeyMatrixScanState:
+            BridgeTxSize = 0;
+            DisableKeyMatrixScanState = BridgeRxBuffer[1];
+            break;
     }
 }

left/src/main.c

@@ -42,6 +42,8 @@ key_matrix_t keyMatrix = {
 #endif
 };
 
+volatile bool DisableKeyMatrixScanState;
+
 typedef struct BootloaderConfiguration
 {
     uint32_t tag;                          // Magic number to verify bootloader configuration is valid. Must be set to 'kcfg'.
@@ -86,7 +88,9 @@ int main(void)
     KeyMatrix_Init(&keyMatrix);
 
     while (1) {
-        KeyMatrix_Scan(&keyMatrix);
+        if (!DisableKeyMatrixScanState) {
+            KeyMatrix_Scan(&keyMatrix);
+        }
         asm("wfi");
     }
 }

left/src/main.h

@@ -13,5 +13,6 @@
 // Variables:
 
     extern key_matrix_t keyMatrix;
+    extern volatile bool DisableKeyMatrixScanState;
 
 #endif