From c3d9938192e08ced452da83d817e217a10e33d8c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A1szl=C3=B3=20Monda?= <laci@monda.hu>
Date: Sun, 23 Jul 2017 20:20:13 +0200
Subject: [PATCH] Expose hardware config size and user config size as system
 properties.

---
 right/src/system_properties.h    |  2 ++
 right/src/usb_protocol_handler.c | 12 +++++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/right/src/system_properties.h b/right/src/system_properties.h
index 5938496..14ea8ba 100644
--- a/right/src/system_properties.h
+++ b/right/src/system_properties.h
@@ -15,6 +15,8 @@
         SystemPropertyId_BridgeProtocolVersion = 1,
         SystemPropertyId_DataModelVersion      = 2,
         SystemPropertyId_FirmwareVersion       = 3,
+        SystemPropertyId_HardwareConfigSize    = 4,
+        SystemPropertyId_UserConfigSize        = 5,
     } system_property_t;
 
 #endif
diff --git a/right/src/usb_protocol_handler.c b/right/src/usb_protocol_handler.c
index 47d68b0..517907c 100644
--- a/right/src/usb_protocol_handler.c
+++ b/right/src/usb_protocol_handler.c
@@ -24,12 +24,16 @@ void setGenericError(void)
     setError(UsbResponse_GenericError);
 }
 
-// Set a single byte as the response.
 void SetResponseByte(uint8_t response)
 {
     GenericHidOutBuffer[1] = response;
 }
 
+void SetResponseWord(uint16_t response)
+{
+    *((uint16_t*)(GenericHidOutBuffer+1)) = response;
+}
+
 // Per command protocol command handlers
 
 void getSystemProperty(void) {
@@ -48,6 +52,12 @@ void getSystemProperty(void) {
         case SystemPropertyId_FirmwareVersion:
             SetResponseByte(SYSTEM_PROPERTY_FIRMWARE_VERSION);
             break;
+        case SystemPropertyId_HardwareConfigSize:
+            SetResponseWord(HARDWARE_CONFIG_SIZE);
+            break;
+        case SystemPropertyId_UserConfigSize:
+            SetResponseWord(USER_CONFIG_SIZE);
+            break;
         default:
             setGenericError();
             break;