Bump firmware version to 8.1.0 and update changelog, package.json, and versions.h

CHANGELOG.md

@@ -5,38 +5,74 @@ All notable changes to this project will be documented in this file.
 The format is loosely based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to the [UHK Versioning](VERSIONING.md) conventions.
 
+## [8.1.0] - 2018-01-15
+
+Device Protocol: 4.**2**.0 | Module Protocol: 4.0.0 | User Config: 4.0.0 | Hardware Config: 1.0.0
+
+- Enable left-half watchdog in reinit mode which seems to prevent freezes.
+- Slow down main bus I2C baud rate to 30kHz when BusPal is on to make firmware transfer more robust.
+- Implement UsbCommandId_GetSlaveI2cErrors. `DEVICEPROTOCOL:MINOR`
+- Implement UsbCommandId_SetI2cBaudRate. `DEVICEPROTOCOL:MINOR`
+- Implement DevicePropertyId_CurrentKbootCommand. `DEVICEPROTOCOL:MINOR`
+- Implement DevicePropertyId_I2cMainBusBaudRate. `DEVICEPROTOCOL:MINOR`
+- Implement DevicePropertyId_Uptime. `DEVICEPROTOCOL:MINOR`
+
+## [8.0.1] - 2017-12-25
+
+Device Protocol: 4.1.0 | Module Protocol: 4.0.0 | User Config: 4.0.0 | Hardware Config: 1.0.0
+
+- Implement I2C watchdog for the left keyboard half which should resolve the occasional hangs of the left keyboard half.
+
+## [8.0.0] - 2017-12-15
+
+Device Protocol: 4.**1.0** | Module Protocol: **4.0.0** | User Config: 4.0.0 | Hardware Config: 1.0.0
+
+- Make the modules transfer the module protocol version and firmware version composed of a major, a minor and a patch number. `MODULEPROTOCOL:MAJOR`
+- Query module key count and pointer count in separate messages instead of a combined message for improved clarity. `MODULEPROTOCOL:MAJOR`
+- Add new UsbCommand_GetModuleProperties() device protocol command. `DEVICEPROTOCOL:MINOR`
+
+## [7.0.0] - 2017-12-14
+
+Device Protocol: **4.0.0** | Module Protocol: 3.0.0 | User Config: 4.0.0 | Hardware Config: 1.0.0
+
+- Make UsbCommand_JumpToModuleBootloader() more robust by not making it dependent on the state of the module driver.
+- Don't make horizontal scrolling and vertical scrolling affect each other.
+- Expose version numbers via the get property interface. `DEVICEPROTOCOL:MINOR`
+- Add DevicePropertyId_ConfigSizes. `DEVICEPROTOCOL:MINOR`
+- Remove DevicePropertyId_HardwareConfigSize and DevicePropertyId_UserConfigSize. `DEVICEPROTOCOL:MAJOR`
+
 ## [6.0.0] - 2017-12-12
 
-Data Model: 4.0.0 (unchanged) | USB Protocol: 3.0.0 (major bump) | Slave Protocol: 3.0.0 (unchanged)
+Device Protocol: **3.0.0** | Module Protocol: 3.0.0 | User Config: 4.0.0 | Hardware Config: 1.0.0
 
-- Change the value of almost every USB protocol commands because there were unused intervals between them. `USBPROTOCOL:MAJOR`
+- Change the value of almost every Device Protocol commands because there were unused intervals between them. `DEVICEPROTOCOL:MAJOR`
 - Disable LED display icons by default.
 - Update LED brightness levels upon applying the configuration.
 
 ## [5.0.1] - 2017-12-09
 
-Data Model: 4.0.0 (unchanged) | USB Protocol: 2.0.0 (unchanged) | Slave Protocol: 3.0.0 (unchanged)
+Device Protocol: 2.0.0 | Module Protocol: 3.0.0 | User Config: 4.0.0 | Hardware Config: 1.0.0
 
  - Make key presses continue to emit scancodes even if a USB interface (typically the mouse interface) is not polled by the host anymore.
  - Make scrolling always immediately react to keypresses regardless of the previous internal scroll state.
 
 ## [5.0.0] - 2017-12-04
 
-Data Model: 4.0.0 (major bump) | USB Protocol: 2.0.0 (unchanged) | Slave Protocol: 3.0.0 (unchanged)
+Device Protocol: 2.0.0 | Module Protocol: 3.0.0 | User Config: **4.0.0** | Hardware Config: 1.0.0
 
-- Move pointerRole from keymaps to module configurations as pointerMode. Add angularShift, modLayerPointerFunction, fnLayerPointerFunction, and mouseLayerPointerFunction to module configurations. `DATAMODEL:MAJOR`
+- Move pointerRole from keymaps to module configurations as pointerMode. Add angularShift, modLayerPointerFunction, fnLayerPointerFunction, and mouseLayerPointerFunction to module configurations. `USERCONFIG:MAJOR`
 
 ## [4.0.0] - 2017-11-30
 
-Data Model: 3.0.0 (major bump) | USB Protocol: 2.0.0 (unchanged) | Slave Protocol: 3.0.0 (unchanged)
+Device Protocol: 2.0.0 | Module Protocol: 3.0.0 | User Config: **3.0.0** | Hardware Config: 1.0.0
 
 - Implement mouse movement and scrolling deceleration and acceleration.
 - Toggle layers upon double tapping their keys. Make the double tap timeout configurable.
-- Make the parser read additional user configuration properties: dataModelMajorVersion, dataModelMinorVersion, dataModelPatchVersion, doubleTapSwitchLayerTimeout, iconsAndLayerTextsBrightness, alphanumericSegmentsBrightness, keyBacklightBrightness, mouseMoveInitialSpeed, mouseMoveAcceleration, mouseMoveDeceleratedSpeed, mouseMoveBaseSpeed, mouseMoveAcceleratedSpeed, mouseScrollInitialSpeed, mouseScrollAcceleration, mouseScrollDeceleratedSpeed, mouseScrollBaseSpeed, mouseScrollAcceleratedSpeed. `DATAMODEL:MAJOR`
+- Make the parser read additional user configuration properties: USERCONFIGMajorVersion, USERCONFIGMinorVersion, USERCONFIGPatchVersion, doubleTapSwitchLayerTimeout, iconsAndLayerTextsBrightness, alphanumericSegmentsBrightness, keyBacklightBrightness, mouseMoveInitialSpeed, mouseMoveAcceleration, mouseMoveDeceleratedSpeed, mouseMoveBaseSpeed, mouseMoveAcceleratedSpeed, mouseScrollInitialSpeed, mouseScrollAcceleration, mouseScrollDeceleratedSpeed, mouseScrollBaseSpeed, mouseScrollAcceleratedSpeed. `USERCONFIG:MAJOR`
 
 ## [3.0.0] - 2017-11-15
 
-Data Model: 2.0.0 (major bump) | USB Protocol: 2.0.0 (major bump) | Slave Protocol: 3.0.0 (major bump)
+Device Protocol: **2.0.0** | Module Protocol: **3.0.0** | User Config: **2.0.0** | Hardware Config: 1.0.0
 
 - Detect the use of USB interfaces and only wait for the ones that are actually used by the host.
 - Implement key debouncer.
@@ -44,49 +80,49 @@ Data Model: 2.0.0 (major bump) | USB Protocol: 2.0.0 (major bump) | Slave Protoc
 - Make pressing the reset button revert to the factory preset.
 - Revert to the factory default state when the reset button is pressed upon firmware startup. Display FTY on the display in this case.
 - Make the LED display show the abbreviation of the current keymap even when it gets reinitialized by the I2C watchdog.
-- Swap SlaveCommand_RequestKeyStates and SlaveCommand_JumpToBootloader, thereby making SlaveCommand_JumpToBootloader the lower number because it's more essential and shouldn't change in the future. `SLAVEPROTOCOL:MAJOR`
+- Swap SlaveCommand_RequestKeyStates and SlaveCommand_JumpToBootloader, thereby making SlaveCommand_JumpToBootloader the lower number because it's more essential and shouldn't change in the future. `MODULEPROTOCOL:MAJOR`
 - Suppress pressed keys upon layer switcher key release.
 - Handle secondary role modifiers and layer switchers.
-- Make UsbCommand_JumpToSlaveBootloader expect a slave slot id instead of a uhkModuleDriverId. `USBPROTOCOL:MAJOR`
+- Make UsbCommand_JumpToSlaveBootloader expect a slave slot id instead of a uhkModuleDriverId. `DEVICEPROTOCOL:MAJOR`
-- Set UsbResponse_InvalidCommand upon encountering with an invalid USB command. `USBPROTOCOL:MINOR`
+- Set UsbResponse_InvalidCommand upon encountering with an invalid USB command. `DEVICEPROTOCOL:MINOR`
-- Remove UsbCommandId_ReadMergeSensor now that it can be queried via UsbCommandId_GetKeyboardState. `USBPROTOCOL:MAJOR`
+- Remove UsbCommandId_ReadMergeSensor now that it can be queried via UsbCommandId_GetKeyboardState. `DEVICEPROTOCOL:MAJOR`
-- Make the getAdcValue and getDebugInfo USB commands utilize the first byte of the response to provide status as dictated by the UHK protocol. `USBPROTOCOL:MAJOR`
+- Make the getAdcValue and getDebugInfo USB commands utilize the first byte of the response to provide status as dictated by the UHK protocol. `DEVICEPROTOCOL:MAJOR`
 - Switch keymap only upon keypress.
 - Handle layer toggle actions.
 - Keep the active layer active even if another layer switcher key gets pressed while holding it.
-- Read the new UserConfig.userConfigLength user config field. `DATAMODEL:MAJOR`
+- Read the new UserConfig.userConfigLength user config field. `USERCONFIG:MAJOR`
 - Change Ctrl and Alt back according to the official UHK factory keymap.
 - Update system keyboard HID descriptor which doesn't make the pointer go to the top left corner on OSX anymore.
 - Scan keyboard matrices in a more efficient manner from timer interrupts instead of the main loop.
-- Add UsbCommand_SendKbootCommand. `USBPROTOCOL:MINOR`
+- Add UsbCommand_SendKbootCommand. `DEVICEPROTOCOL:MINOR`
-- Make the reenumerate USB command accept a timeout value. `USBPROTOCOL:MINOR`
+- Make the reenumerate USB command accept a timeout value. `DEVICEPROTOCOL:MINOR`
-- Make the config parser read the device name. `DATAMODEL:MAJOR`
+- Make the config parser read the device name. `USERCONFIG:MAJOR`
 - Update release file format containing device and module directories and hex files instead of srec.
 - Remove obsolete ARM GCC build files.
 
 ## [2.1.0] - 2017-10-13
 
-Data Model: 1.0.0 (unchanged) | USB Protocol: 1.2.0 (minor bump) | Slave Protocol: 2.1.0 (minor bump)
+Device Protocol: 1.**2.0** | Module Protocol: 2.**1.0** | User Config: 1.0.0 | Hardware Config: 1.0.0
 
-- Add jumpToSlaveBootloader USB and slave protocol command. `USBPROTOCOL:MINOR` `SLAVEPROTOCOL:MINOR`
+- Add jumpToSlaveBootloader USB and Module Protocol command. `DEVICEPROTOCOL:MINOR` `MODULEPROTOCOL:MINOR`
 - Fix generic HID descriptor enumeration error.
 
 ## [2.0.0] - 2017-10-10
 
-Data Model: 1.0.0 (unchanged) | USB Protocol: 1.1.0 (minor bump) | Slave Protocol: 2.0.0 (major bump)
+Device Protocol: 1.**1.0** | Module Protocol: **2.0.0** | User Config: 1.0.0 | Hardware Config: 1.0.0
 
 - Read the hardware and user configuration area of the EEPROM upon startup and set the default keymap.
 - Greatly improve the I2C watchdog and drivers. Communication between the halves or the add-ons should never fail again.
-- Implement generic enumeration sequence and per-slave state for UHK modules, allowing add-ons to be added. `SLAVEPROTOCOL:MAJOR`
+- Implement generic enumeration sequence and per-slave state for UHK modules, allowing add-ons to be added. `MODULEPROTOCOL:MAJOR`
 - Make the master cache the output fields of slave modules, allowing for more frequent input updates.
 - Optimize I2C protocol scheduler resulting in increased roustness and more efficient use of I2C bandwidth.
-- Add I2C message headers containing a length header, allowing for variable-length messages and a CRC16-CCITT checksum, allowing for robust communication. `SLAVEPROTOCOL:MAJOR`
+- Add I2C message headers containing a length header, allowing for variable-length messages and a CRC16-CCITT checksum, allowing for robust communication. `MODULEPROTOCOL:MAJOR`
 - Add mechanism to dump the internal state of the KL03 via SPI for debugging purposes.
-- Add merge sensor state and attached module IDs to GetDebugInfo(). `USBPROTOCOL:PATCH`
+- Add merge sensor state and attached module IDs to GetDebugInfo(). `DEVICEPROTOCOL:PATCH`
-- Throw ParserError_InvalidKeymapCount if keymapCount == 0. `DATAMODEL:PATCH`
+- Throw ParserError_InvalidKeymapCount if keymapCount == 0. `USERCONFIG:PATCH`
 
 ## [1.0.0] - 2017-08-30
 
-Data Model: 1.0.0 | USB Protocol: 1.0.0 | Slave Protocol: 1.0.0
+Device Protocol: 1.0.0 | Module Protocol: 1.0.0 | User Config: 1.0.0 | Hardware Config: 1.0.0
 
 - First Release

left/build/uhk60-left_debug_jlink.launch

@@ -50,7 +50,7 @@
 <intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.portNumber" value="2331"/>
 <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setPcRegister" value="false"/>
 <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setResume" value="false"/>
-<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="false"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="true"/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.stopAt" value="main"/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsFileName" value=""/>
 <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsOffset" value=""/>
@@ -77,6 +77,6 @@
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
 <listEntry value="4"/>
 </listAttribute>
-<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#10;"/>
+<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#13;&#10;"/>
 <stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
 </launchConfiguration>

left/build/uhk60-left_release_jlink.launch

@@ -77,6 +77,6 @@
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
 <listEntry value="4"/>
 </listAttribute>
-<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#10;"/>
+<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#13;&#10;"/>
 <stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
 </launchConfiguration>

left/src/config.h

@@ -3,6 +3,11 @@
 
 // Macros:
 
+    #define I2C_WATCHDOG_VALUE_REINIT 1
+    #define I2C_WATCHDOG_VALUE_REBOOT 2
+
 //    #define DEBUG_OVER_SPI
+    #define I2C_WATCHDOG I2C_WATCHDOG_VALUE_REINIT
+//    #define I2C_WATCHDOG I2C_WATCHDOG_VALUE_REBOOT
 
 #endif

left/src/i2c_watchdog.c

@@ -3,36 +3,40 @@
 #include "i2c_watchdog.h"
 #include "test_led.h"
 #include "init_peripherals.h"
+#include "config.h"
 
-//static uint32_t prevWatchdogCounter = 0;
+/* NOTE: Because of a bug in the ROM bootloader of the KL03Z, the watchdog timer is disabled and cannot be re-enabled.
-uint32_t I2cWatchdog_RecoveryCounter;
+ * See https://community.nxp.com/thread/457893
-volatile uint32_t I2cWatchdog_WatchCounter;
+ * Therefore the hardware watchdog timer cannot be used without an extra way to enter bootloader or application mode.
+ */
+#ifdef I2C_WATCHDOG
+  static uint32_t prevWatchdogCounter = 0;
+  static uint32_t I2cWatchdog_RecoveryCounter; /* counter for how many times we had to recover and restart */
 
-void InitI2cWatchdog(void)
+void RunWatchdog(void)
 {
-    lptmr_config_t lptmrConfig;
+    static volatile uint32_t I2cWatchdog_WatchCounter = 0; /* counter for timer */
-    LPTMR_GetDefaultConfig(&lptmrConfig);
+    static int cntr = 0;
-    LPTMR_Init(LPTMR0, &lptmrConfig);
-    LPTMR_SetTimerPeriod(LPTMR0, USEC_TO_COUNT(LPTMR_USEC_COUNT, LPTMR_SOURCE_CLOCK));
-    LPTMR_EnableInterrupts(LPTMR0, kLPTMR_TimerInterruptEnable);
-    EnableIRQ(LPTMR0_IRQn);
-    LPTMR_StartTimer(LPTMR0);
-}
-/*
-void I2C_WATCHDOG_LPTMR_HANDLER(void)
-{
-    TEST_LED_TOGGLE();
-    I2cWatchdog_WatchCounter++;
 
-    if (I2C_Watchdog == prevWatchdogCounter) { // Restart I2C if there hasn't been any interrupt during 100 ms
+    cntr++;
-//        NVIC_SystemReset();
+    if (cntr==100) { /* we get called from KEY_SCANNER_HANDLER() which runs at 1ms, thus scaling down by 100 here to get 100 ms period */
-        I2cWatchdog_RecoveryCounter++;
+        cntr=0;
-        I2C_SlaveDeinit(I2C_BUS_BASEADDR);
+        TEST_LED_TOGGLE();
-        InitI2c();
+        I2cWatchdog_WatchCounter++;
+
+        if (I2cWatchdog_WatchCounter>10) { /* do not check within the first 1000 ms, as I2C might not be running yet */
+            if (I2C_Watchdog == prevWatchdogCounter) { // Restart I2C if there hasn't been any interrupt during 100 ms. I2C_Watchdog gets incremented for every I2C transaction
+                I2cWatchdog_RecoveryCounter++;
+#if I2C_WATCHDOG == I2C_WATCHDOG_VALUE_REBOOT
+                NVIC_SystemReset();
+#endif
+#if I2C_WATCHDOG == I2C_WATCHDOG_VALUE_REINIT
+                I2C_SlaveDeinit(I2C_BUS_BASEADDR);
+                initI2c();
+#endif
+            }
+        }
+        prevWatchdogCounter = I2C_Watchdog; /* remember previous counter */
     }
-
-    prevWatchdogCounter = I2C_Watchdog;
-
-    LPTMR_ClearStatusFlags(LPTMR0, kLPTMR_TimerCompareFlag);
 }
-*/
+#endif

left/src/i2c_watchdog.h

@@ -13,7 +13,6 @@
 
 // Functions:
 
-    void InitI2cWatchdog(void);
     void RunWatchdog(void);
 
 #endif

left/src/init_peripherals.c

@@ -10,6 +10,7 @@
 #include "slave_protocol_handler.h"
 #include "i2c_watchdog.h"
 #include "debug_over_spi.h"
+#include "main.h"
 
 i2c_slave_config_t slaveConfig;
 i2c_slave_handle_t slaveHandle;
@@ -44,14 +45,14 @@ static void i2cSlaveCallback(I2C_Type *base, i2c_slave_transfer_t *xfer, void *u
     }
 }
 
-void InitInterruptPriorities(void)
+void initInterruptPriorities(void)
 {
     NVIC_SetPriority(I2C0_IRQn, 1);
     NVIC_SetPriority(TPM1_IRQn, 1);
     NVIC_SetPriority(SPI0_IRQn, 1);
 }
 
-void InitI2c(void)
+void initI2c(void)
 {
     port_pin_config_t pinConfig = {
         .pullSelect = kPORT_PullUp,
@@ -81,11 +82,10 @@ void InitLedDriver(void)
 
 void InitPeripherals(void)
 {
-    InitInterruptPriorities();
+    initInterruptPriorities();
     InitLedDriver();
     InitTestLed();
     LedPwm_Init();
-//    InitI2cWatchdog();
     DebugOverSpi_Init();
-    InitI2c();
+    initI2c();
 }

left/src/init_peripherals.h

@@ -11,6 +11,6 @@
 // Functions:
 
     void InitPeripherals(void);
-    void InitI2c(void);
+    void initI2c(void);
 
 #endif

left/src/key_scanner.c

@@ -1,10 +1,14 @@
 #include "fsl_lptmr.h"
 #include "key_scanner.h"
-#include "main.h"
+#include "config.h"
+#include "i2c_watchdog.h"
 
 void KEY_SCANNER_HANDLER(void)
 {
     KeyMatrix_ScanRow(&keyMatrix);
+#ifdef I2C_WATCHDOG
+    RunWatchdog();
+#endif
     LPTMR_ClearStatusFlags(KEY_SCANNER_LPTMR_BASEADDR, kLPTMR_TimerCompareFlag);
 }
 

left/src/module.h

@@ -6,6 +6,6 @@
     #define MODULE_PROTOCOL_VERSION 1
     #define MODULE_ID ModuleId_LeftKeyboardHalf
     #define MODULE_KEY_COUNT (KEYBOARD_MATRIX_ROWS_NUM * KEYBOARD_MATRIX_COLS_NUM)
-    #define MODULE_HAS_POINTER false
+    #define MODULE_POINTER_COUNT 0
 
 #endif

left/src/slave_protocol_handler.c

@@ -10,10 +10,23 @@
 #include "bool_array_converter.h"
 #include "bootloader.h"
 #include "module.h"
+#include "versions.h"
 
 i2c_message_t RxMessage;
 i2c_message_t TxMessage;
 
+static version_t moduleProtocolVersion = {
+    MODULE_PROTOCOL_MAJOR_VERSION,
+    MODULE_PROTOCOL_MINOR_VERSION,
+    MODULE_PROTOCOL_PATCH_VERSION,
+};
+
+static version_t firmwareVersion = {
+    FIRMWARE_MAJOR_VERSION,
+    FIRMWARE_MINOR_VERSION,
+    FIRMWARE_PATCH_VERSION,
+};
+
 void SlaveRxHandler(void)
 {
     if (!CRC16_IsMessageValid(&RxMessage)) {
@@ -51,21 +64,29 @@ void SlaveTxHandler(void)
                     TxMessage.length = SLAVE_SYNC_STRING_LENGTH;
                     break;
                 }
+                case SlaveProperty_ModuleProtocolVersion: {
+                    memcpy(TxMessage.data, &moduleProtocolVersion, sizeof(version_t));
+                    TxMessage.length = sizeof(version_t);
+                    break;
+                }
+                case SlaveProperty_FirmwareVersion: {
+                    memcpy(TxMessage.data, &firmwareVersion, sizeof(version_t));
+                    TxMessage.length = sizeof(version_t);
+                    break;
+                }
                 case SlaveProperty_ModuleId: {
                     TxMessage.data[0] = MODULE_ID;
                     TxMessage.length = 1;
                     break;
                 }
-                case SlaveProperty_ProtocolVersion: {
+                case SlaveProperty_KeyCount: {
-                    TxMessage.data[0] = MODULE_PROTOCOL_VERSION;
+                    TxMessage.data[0] = MODULE_KEY_COUNT;
                     TxMessage.length = 1;
                     break;
                 }
-                case SlaveProperty_Features: {
+                case SlaveProperty_PointerCount: {
-                    uhk_module_features_t *moduleFeatures = (uhk_module_features_t*)&TxMessage.data;
+                    TxMessage.data[0] = MODULE_POINTER_COUNT;
-                    moduleFeatures->keyCount = MODULE_KEY_COUNT;
+                    TxMessage.length = 1;
-                    moduleFeatures->hasPointer = MODULE_HAS_POINTER;
-                    TxMessage.length = sizeof(uhk_module_features_t);
                     break;
                 }
             }

right/build/uhk60-right_debug_standalone_jlink.launch

@@ -64,10 +64,10 @@
 <intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
 <stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
 <stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_REGISTER_GROUPS" value=""/>
-<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="uhk60-right_debug/uhk-right.elf"/>
+<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="uhk60-right_debug_standalone/uhk-right.elf"/>
 <stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="uhk-right"/>
 <booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="false"/>
-<stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value="ilg.gnuarmeclipse.managedbuild.cross.config.elf.release.1939339834.1692217331.1297236062.2081695142"/>
+<stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value=""/>
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
 <listEntry value="/uhk-right"/>
 </listAttribute>
@@ -77,6 +77,6 @@
 <listAttribute key="org.eclipse.debug.ui.favoriteGroups">
 <listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
 </listAttribute>
-<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#10;"/>
+<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#13;&#10;"/>
 <stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
 </launchConfiguration>

right/src/config.h

@@ -4,6 +4,7 @@
 // Macros:
 
     #define I2C_WATCHDOG
+    #define LED_DRIVERS_ENABLED
 //    #define LED_DRIVER_STRESS_TEST
 
 #endif

right/src/config_parser/parse_config.c

@@ -8,6 +8,7 @@
 #include "led_display.h"
 #include "slave_scheduler.h"
 #include "slave_drivers/is31fl3731_driver.h"
+#include "config.h"
 
 static parser_error_t parseModuleConfiguration(config_buffer_t *buffer)
 {
@@ -142,9 +143,10 @@ parser_error_t ParseConfig(config_buffer_t *buffer)
         IconsAndLayerTextsBrightness = iconsAndLayerTextsBrightness;
         AlphanumericSegmentsBrightness = alphanumericSegmentsBrightness;
         KeyBacklightBrightness = keyBacklightBrightness;
+#ifdef LED_DRIVERS_ENABLED
         Slaves[SlaveId_LeftLedDriver].isConnected = false;
         Slaves[SlaveId_RightLedDriver].isConnected = false;
-
+#endif
         // Update mouse key speeds
 
         MouseMoveState.initialSpeed = mouseMoveInitialSpeed;

right/src/i2c.h

@@ -10,11 +10,12 @@
 
     // Main bus
 
-    #define I2C_MAIN_BUS_BASEADDR  I2C0
+    #define I2C_MAIN_BUS_BASEADDR         I2C0
-    #define I2C_MAIN_BUS_IRQ_ID    I2C0_IRQn
+    #define I2C_MAIN_BUS_IRQ_ID           I2C0_IRQn
-    #define I2C_MAIN_BUS_CLK_SRC   I2C0_CLK_SRC
+    #define I2C_MAIN_BUS_CLK_SRC          I2C0_CLK_SRC
-    #define I2C_MAIN_BUS_BAUD_RATE 100000  // 100 kHz works even with a 20 meter long bridge cable.
+    #define I2C_MAIN_BUS_NORMAL_BAUD_RATE 100000
-    #define I2C_MAIN_BUS_MUX       kPORT_MuxAlt7
+    #define I2C_MAIN_BUS_BUSPAL_BAUD_RATE 30000
+    #define I2C_MAIN_BUS_MUX              kPORT_MuxAlt7
 
     #define I2C_MAIN_BUS_SDA_GPIO  GPIOD
     #define I2C_MAIN_BUS_SDA_PORT  PORTD

right/src/i2c_error_logger.c

@@ -0,0 +1,25 @@
+#include "fsl_i2c.h"
+#include "i2c_error_logger.h"
+
+i2c_slave_error_counter_t I2cSlaveErrorCounters[MAX_SLAVE_COUNT];
+
+void LogI2cError(uint8_t slaveId, status_t status)
+{
+    i2c_slave_error_counter_t *i2cSlaveErrorCounter = I2cSlaveErrorCounters + slaveId;
+    uint8_t errorIdx;
+
+    for (errorIdx=0; errorIdx<i2cSlaveErrorCounter->errorTypeCount; errorIdx++) {
+        i2c_error_count_t *currentI2cError = i2cSlaveErrorCounter->errors + errorIdx;
+        if (currentI2cError->status == status) {
+            currentI2cError->count++;
+            break;
+        }
+    }
+
+    if (errorIdx == i2cSlaveErrorCounter->errorTypeCount && errorIdx < MAX_LOGGED_I2C_ERROR_TYPES_PER_SLAVE) {
+        i2cSlaveErrorCounter->errorTypeCount++;
+        i2c_error_count_t *currentI2cError = i2cSlaveErrorCounter->errors + errorIdx;
+        currentI2cError->status = status;
+        currentI2cError->count = 1;
+    }
+}

right/src/i2c_error_logger.h

@@ -0,0 +1,33 @@
+#ifndef __I2C_ERROR_LOGGER_H__
+#define __I2C_ERROR_LOGGER_H__
+
+// Includes:
+
+    #include "fsl_common.h"
+    #include "slave_scheduler.h"
+
+// Macros:
+
+    #define MAX_LOGGED_I2C_ERROR_TYPES_PER_SLAVE 7
+
+// Typedefs:
+
+    typedef struct {
+        status_t status;
+        uint32_t count;
+    } i2c_error_count_t;
+
+    typedef struct {
+        uint8_t errorTypeCount;
+        i2c_error_count_t errors[MAX_LOGGED_I2C_ERROR_TYPES_PER_SLAVE];
+    } i2c_slave_error_counter_t;
+
+// Variables:
+
+    extern i2c_slave_error_counter_t I2cSlaveErrorCounters[MAX_SLAVE_COUNT];
+
+// Functions:
+
+    void LogI2cError(uint8_t slaveId, status_t status);
+
+#endif

right/src/i2c_watchdog.c

@@ -5,7 +5,6 @@
 #include "fsl_gpio.h"
 #include "i2c.h"
 #include "i2c_watchdog.h"
-#include "slave_scheduler.h"
 #include "init_peripherals.h"
 
 uint32_t I2cWatchdog_WatchCounter;
@@ -19,17 +18,13 @@ static uint32_t prevWatchdogCounter;
 void PIT_I2C_WATCHDOG_HANDLER(void)
 {
     I2cWatchdog_WatchCounter++;
+
     if (I2C_Watchdog == prevWatchdogCounter) { // Restart I2C if there haven't been any interrupts recently
         I2cWatchdog_RecoveryCounter++;
-        i2c_master_config_t masterConfig;
+        ReinitI2cMainBus();
-        I2C_MasterGetDefaultConfig(&masterConfig);
-        I2C_MasterDeinit(I2C_MAIN_BUS_BASEADDR);
-        InitI2cMainBus();
-        InitSlaveScheduler();
     }
 
     prevWatchdogCounter = I2C_Watchdog;
-
     PIT_ClearStatusFlags(PIT, PIT_I2C_WATCHDOG_CHANNEL, PIT_TFLG_TIF_MASK);
 }
 

right/src/init_peripherals.c

@@ -14,8 +14,22 @@
 #include "timer.h"
 #include "key_debouncer.h"
 #include "usb_api.h"
+#include "slave_scheduler.h"
+#include "bootloader/wormhole.h"
 
-void InitInterruptPriorities(void)
+bool IsBusPalOn;
+uint32_t I2cMainBusRequestedBaudRateBps = I2C_MAIN_BUS_NORMAL_BAUD_RATE;
+uint32_t I2cMainBusActualBaudRateBps;
+
+void initBusPalState(void) {
+    IsBusPalOn = Wormhole.magicNumber == WORMHOLE_MAGIC_NUMBER && Wormhole.enumerationMode == EnumerationMode_BusPal;
+    if (IsBusPalOn) {
+        Wormhole.magicNumber = 0;
+        I2cMainBusRequestedBaudRateBps = I2C_MAIN_BUS_BUSPAL_BAUD_RATE;
+    }
+}
+
+void initInterruptPriorities(void)
 {
     NVIC_SetPriority(PIT_I2C_WATCHDOG_IRQ_ID,  1);
     NVIC_SetPriority(PIT_TIMER_IRQ_ID,         2);
@@ -60,7 +74,7 @@ void recoverI2c(void)
     delay();
 }
 
-void InitI2cMainBus(void)
+void initI2cMainBus(void)
 {
     CLOCK_EnableClock(I2C_MAIN_BUS_SDA_CLOCK);
     CLOCK_EnableClock(I2C_MAIN_BUS_SCL_CLOCK);
@@ -78,9 +92,17 @@ void InitI2cMainBus(void)
 
     i2c_master_config_t masterConfig;
     I2C_MasterGetDefaultConfig(&masterConfig);
-    masterConfig.baudRate_Bps = I2C_MAIN_BUS_BAUD_RATE;
+    masterConfig.baudRate_Bps = I2cMainBusRequestedBaudRateBps;
     uint32_t sourceClock = CLOCK_GetFreq(I2C_MAIN_BUS_CLK_SRC);
     I2C_MasterInit(I2C_MAIN_BUS_BASEADDR, &masterConfig, sourceClock);
+    I2cMainBusActualBaudRateBps = I2C_ActualBaudRate;
+}
+
+void ReinitI2cMainBus(void)
+{
+    I2C_MasterDeinit(I2C_MAIN_BUS_BASEADDR);
+    initI2cMainBus();
+    InitSlaveScheduler();
 }
 
 void initI2cEepromBus(void)
@@ -91,7 +113,6 @@ void initI2cEepromBus(void)
        .mux = I2C_EEPROM_BUS_MUX,
    };
 
-
    CLOCK_EnableClock(I2C_EEPROM_BUS_SDA_CLOCK);
    CLOCK_EnableClock(I2C_EEPROM_BUS_SCL_CLOCK);
 
@@ -105,21 +126,22 @@ void initI2cEepromBus(void)
    I2C_MasterInit(I2C_EEPROM_BUS_BASEADDR, &masterConfig, sourceClock);
 }
 
-void InitI2c(void)
+void initI2c(void)
 {
-    InitI2cMainBus();
+    initI2cMainBus();
     initI2cEepromBus();
 }
 
 void InitPeripherals(void)
 {
-    InitInterruptPriorities();
+    initBusPalState();
+    initInterruptPriorities();
     Timer_Init();
     InitLedDriver();
     InitResetButton();
     InitMergeSensor();
     ADC_Init();
-    InitI2c();
+    initI2c();
     InitTestLed();
     LedPwm_Init();
 #ifdef I2C_WATCHDOG

right/src/init_peripherals.h

@@ -5,9 +5,15 @@
 
     #include "fsl_common.h"
 
+// Variables:
+
+    extern bool IsBusPalOn;
+    extern uint32_t I2cMainBusRequestedBaudRateBps;
+    extern uint32_t I2cMainBusActualBaudRateBps;
+
 // Functions:
 
     void InitPeripherals(void);
-    void InitI2cMainBus(void);
+    void ReinitI2cMainBus(void);
 
 #endif

right/src/main.c

@@ -5,7 +5,6 @@
 #include "slave_scheduler.h"
 #include "bus_pal_hardware.h"
 #include "command.h"
-#include "bootloader/wormhole.h"
 #include "eeprom.h"
 #include "key_scanner.h"
 #include "usb_commands/usb_command_apply_config.h"
@@ -34,8 +33,7 @@ void main(void)
         EEPROM_LaunchTransfer(EepromOperation_Read, ConfigBufferId_HardwareConfig, hardwareConfigurationReadFinished);
     }
 
-    if (Wormhole.magicNumber == WORMHOLE_MAGIC_NUMBER && Wormhole.enumerationMode == EnumerationMode_BusPal) {
+    if (IsBusPalOn) {
-        Wormhole.magicNumber = 0;
         init_hardware();
         handleUsbBusPalCommand();
     } else {

right/src/slave_drivers/kboot_driver.c

@@ -4,7 +4,7 @@
 
 kboot_driver_state_t KbootDriverState;
 
-static uint8_t rxBuffer[MAX_KBOOT_COMMAND_LENGTH];
+static uint8_t rxBuffer[KBOOT_PACKAGE_MAX_LENGTH];
 static uint8_t pingCommand[] = {0x5a, 0xa6};
 static uint8_t resetCommand[] = {0x5a, 0xa4, 0x04, 0x00, 0x6f, 0x46, 0x0b, 0x00, 0x00, 0x00};
 static uint8_t ackMessage[] = {0x5a, 0xa1};
@@ -27,50 +27,52 @@ status_t KbootSlaveDriver_Update(uint8_t kbootInstanceId)
 {
     status_t status = kStatus_Uhk_IdleSlave;
 
-    switch (KbootDriverState.commandType) {
+    switch (KbootDriverState.command) {
         case KbootCommand_Idle:
             break;
         case KbootCommand_Ping:
             switch (KbootDriverState.phase) {
-                case 0:
+                case KbootPhase_SendPing:
                     status = tx(pingCommand, sizeof(pingCommand));
-                    KbootDriverState.phase++;
+                    KbootDriverState.phase = KbootPhase_CheckPingStatus;
                     break;
-                case 1:
+                case KbootPhase_CheckPingStatus:
                     KbootDriverState.status = Slaves[SlaveId_KbootDriver].previousStatus;
-                    KbootDriverState.phase = KbootDriverState.status == kStatus_Success ? 2 : 0;
+                    KbootDriverState.phase = KbootDriverState.status == kStatus_Success
-                    return kStatus_Uhk_NoTransfer;
+                        ? KbootPhase_ReceivePingResponse
-                case 2:
+                        : KbootPhase_SendPing;
-                    status = rx(10);
+                    return kStatus_Uhk_IdleCycle;
-                    KbootDriverState.phase++;
+                case KbootPhase_ReceivePingResponse:
+                    status = rx(KBOOT_PACKAGE_LENGTH_PING_RESPONSE);
+                    KbootDriverState.phase = KbootPhase_CheckPingResponseStatus;
                     break;
-                case 3:
+                case KbootPhase_CheckPingResponseStatus:
                     KbootDriverState.status = Slaves[SlaveId_KbootDriver].previousStatus;
                     if (KbootDriverState.status == kStatus_Success) {
-                        KbootDriverState.commandType = KbootCommand_Idle;
+                        KbootDriverState.command = KbootCommand_Idle;
                     } else {
-                        KbootDriverState.phase = 0;
+                        KbootDriverState.phase = KbootPhase_SendPing;
-                        return kStatus_Uhk_NoTransfer;
+                        return kStatus_Uhk_IdleCycle;
                     }
                 }
             break;
         case KbootCommand_Reset:
             switch (KbootDriverState.phase) {
-                case 0:
+                case KbootPhase_SendReset:
                     status = tx(resetCommand, sizeof(resetCommand));
-                    KbootDriverState.phase++;
+                    KbootDriverState.phase = KbootPhase_ReceiveResetAck;
                     break;
-                case 1:
+                case KbootPhase_ReceiveResetAck:
-                    status = rx(2);
+                    status = rx(KBOOT_PACKAGE_LENGTH_ACK);
-                    KbootDriverState.phase++;
+                    KbootDriverState.phase = KbootPhase_ReceiveResetGenericResponse;
                     break;
-                case 2:
+                case KbootPhase_ReceiveResetGenericResponse:
-                    status = rx(18);
+                    status = rx(KBOOT_PACKAGE_LENGTH_GENERIC_RESPONSE);
-                    KbootDriverState.phase++;
+                    KbootDriverState.phase = KbootPhase_CheckResetSendAck;
                     break;
-                case 3:
+                case KbootPhase_CheckResetSendAck:
                     status = tx(ackMessage, sizeof(ackMessage));
-                    KbootDriverState.commandType = KbootCommand_Idle;
+                    KbootDriverState.command = KbootCommand_Idle;
                     break;
             }
             break;

right/src/slave_drivers/kboot_driver.h

@@ -7,7 +7,10 @@
 
 // Macros:
 
-    #define MAX_KBOOT_COMMAND_LENGTH 32
+    #define KBOOT_PACKAGE_MAX_LENGTH 32
+    #define KBOOT_PACKAGE_LENGTH_PING_RESPONSE 10
+    #define KBOOT_PACKAGE_LENGTH_ACK 2
+    #define KBOOT_PACKAGE_LENGTH_GENERIC_RESPONSE 18
 
 // Typedefs:
 
@@ -21,8 +24,22 @@
         KbootCommand_Reset,
     } kboot_command_t;
 
+    typedef enum {
+        KbootPhase_SendPing,
+        KbootPhase_CheckPingStatus,
+        KbootPhase_ReceivePingResponse,
+        KbootPhase_CheckPingResponseStatus,
+    } kboot_ping_phase_t;
+
+    typedef enum {
+        KbootPhase_SendReset,
+        KbootPhase_ReceiveResetAck,
+        KbootPhase_ReceiveResetGenericResponse,
+        KbootPhase_CheckResetSendAck,
+    } kboot_reset_phase_t;
+
     typedef struct {
-        kboot_command_t commandType;
+        kboot_command_t command;
         uint8_t i2cAddress;
         uint8_t phase;
         uint32_t status;

right/src/slave_drivers/uhk_module_driver.c

@@ -69,6 +69,13 @@ status_t UhkModuleSlaveDriver_Update(uint8_t uhkModuleDriverId)
 
     switch (*uhkModulePhase) {
 
+        // Jump to bootloader
+        case UhkModulePhase_JumpToBootloader:
+            txMessage.data[0] = SlaveCommand_JumpToBootloader;
+            txMessage.length = 1;
+            status = tx(i2cAddress);
+            break;
+
         // Sync communication
         case UhkModulePhase_RequestSync:
             txMessage.data[0] = SlaveCommand_RequestProperty;
@@ -84,32 +91,54 @@ status_t UhkModuleSlaveDriver_Update(uint8_t uhkModuleDriverId)
         case UhkModulePhase_ProcessSync: {
             bool isMessageValid = CRC16_IsMessageValid(rxMessage);
             bool isSyncValid = memcmp(rxMessage->data, SlaveSyncString, SLAVE_SYNC_STRING_LENGTH) == 0;
-            status = kStatus_Uhk_NoTransfer;
+            status = kStatus_Uhk_IdleCycle;
             *uhkModulePhase = isSyncValid && isMessageValid
-                ? UhkModulePhase_RequestProtocolVersion
+                ? UhkModulePhase_RequestModuleProtocolVersion
                 : UhkModulePhase_RequestSync;
             break;
         }
 
-        // Get protocol version
+        // Get module protocol version
-        case UhkModulePhase_RequestProtocolVersion:
+        case UhkModulePhase_RequestModuleProtocolVersion:
             txMessage.data[0] = SlaveCommand_RequestProperty;
-            txMessage.data[1] = SlaveProperty_ProtocolVersion;
+            txMessage.data[1] = SlaveProperty_ModuleProtocolVersion;
             txMessage.length = 2;
             status = tx(i2cAddress);
-            *uhkModulePhase = UhkModulePhase_ReceiveProtocolVersion;
+            *uhkModulePhase = UhkModulePhase_ReceiveModuleProtocolVersion;
             break;
-        case UhkModulePhase_ReceiveProtocolVersion:
+        case UhkModulePhase_ReceiveModuleProtocolVersion:
             status = rx(rxMessage, i2cAddress);
-            *uhkModulePhase = UhkModulePhase_ProcessProtocolVersion;
+            *uhkModulePhase = UhkModulePhase_ProcessModuleProtocolVersion;
             break;
-        case UhkModulePhase_ProcessProtocolVersion: {
+        case UhkModulePhase_ProcessModuleProtocolVersion: {
             bool isMessageValid = CRC16_IsMessageValid(rxMessage);
             if (isMessageValid) {
-                uhkModuleState->protocolVersion = rxMessage->data[0];
+                memcpy(&uhkModuleState->moduleProtocolVersion, rxMessage->data, sizeof(version_t));
             }
-            status = kStatus_Uhk_NoTransfer;
+            status = kStatus_Uhk_IdleCycle;
-            *uhkModulePhase = isMessageValid ? UhkModulePhase_RequestModuleId : UhkModulePhase_RequestProtocolVersion;
+            *uhkModulePhase = isMessageValid ? UhkModulePhase_RequestFirmwareVersion : UhkModulePhase_RequestModuleProtocolVersion;
+            break;
+        }
+
+        // Get firmware version
+        case UhkModulePhase_RequestFirmwareVersion:
+            txMessage.data[0] = SlaveCommand_RequestProperty;
+            txMessage.data[1] = SlaveProperty_FirmwareVersion;
+            txMessage.length = 2;
+            status = tx(i2cAddress);
+            *uhkModulePhase = UhkModulePhase_ReceiveFirmwareVersion;
+            break;
+        case UhkModulePhase_ReceiveFirmwareVersion:
+            status = rx(rxMessage, i2cAddress);
+            *uhkModulePhase = UhkModulePhase_ProcessFirmwareVersion;
+            break;
+        case UhkModulePhase_ProcessFirmwareVersion: {
+            bool isMessageValid = CRC16_IsMessageValid(rxMessage);
+            if (isMessageValid) {
+                memcpy(&uhkModuleState->firmwareVersion, rxMessage->data, sizeof(version_t));
+            }
+            status = kStatus_Uhk_IdleCycle;
+            *uhkModulePhase = isMessageValid ? UhkModulePhase_RequestModuleId : UhkModulePhase_RequestFirmwareVersion;
             break;
         }
 
@@ -130,30 +159,52 @@ status_t UhkModuleSlaveDriver_Update(uint8_t uhkModuleDriverId)
             if (isMessageValid) {
                 uhkModuleState->moduleId = rxMessage->data[0];
             }
-            status = kStatus_Uhk_NoTransfer;
+            status = kStatus_Uhk_IdleCycle;
-            *uhkModulePhase = isMessageValid ? UhkModulePhase_RequestModuleFeatures : UhkModulePhase_RequestModuleId;
+            *uhkModulePhase = isMessageValid ? UhkModulePhase_RequestModuleKeyCount : UhkModulePhase_RequestModuleId;
             break;
         }
 
-        // Get module features
+        // Get module key count
-        case UhkModulePhase_RequestModuleFeatures:
+        case UhkModulePhase_RequestModuleKeyCount:
             txMessage.data[0] = SlaveCommand_RequestProperty;
-            txMessage.data[1] = SlaveProperty_Features;
+            txMessage.data[1] = SlaveProperty_KeyCount;
             txMessage.length = 2;
             status = tx(i2cAddress);
-            *uhkModulePhase = UhkModulePhase_ReceiveModuleFeatures;
+            *uhkModulePhase = UhkModulePhase_ReceiveModuleKeyCount;
             break;
-        case UhkModulePhase_ReceiveModuleFeatures:
+        case UhkModulePhase_ReceiveModuleKeyCount:
             status = rx(rxMessage, i2cAddress);
-            *uhkModulePhase = UhkModulePhase_ProcessModuleFeatures;
+            *uhkModulePhase = UhkModulePhase_ProcessModuleKeyCount;
             break;
-        case UhkModulePhase_ProcessModuleFeatures: {
+        case UhkModulePhase_ProcessModuleKeyCount: {
             bool isMessageValid = CRC16_IsMessageValid(rxMessage);
             if (isMessageValid) {
-                memcpy(&uhkModuleState->features, rxMessage->data, sizeof(uhk_module_features_t));
+                uhkModuleState->keyCount = rxMessage->data[0];
             }
-            status = kStatus_Uhk_NoTransfer;
+            status = kStatus_Uhk_IdleCycle;
-            *uhkModulePhase = isMessageValid ? UhkModulePhase_RequestKeyStates : UhkModulePhase_RequestModuleFeatures;
+            *uhkModulePhase = isMessageValid ? UhkModulePhase_RequestModulePointerCount : UhkModulePhase_RequestModuleKeyCount;
+            break;
+        }
+
+        // Get module pointer count
+        case UhkModulePhase_RequestModulePointerCount:
+            txMessage.data[0] = SlaveCommand_RequestProperty;
+            txMessage.data[1] = SlaveProperty_PointerCount;
+            txMessage.length = 2;
+            status = tx(i2cAddress);
+            *uhkModulePhase = UhkModulePhase_ReceiveModulePointerCount;
+            break;
+        case UhkModulePhase_ReceiveModulePointerCount:
+            status = rx(rxMessage, i2cAddress);
+            *uhkModulePhase = UhkModulePhase_ProcessModulePointerCount;
+            break;
+        case UhkModulePhase_ProcessModulePointerCount: {
+            bool isMessageValid = CRC16_IsMessageValid(rxMessage);
+            if (isMessageValid) {
+                uhkModuleState->pointerCount = rxMessage->data[0];
+            }
+            status = kStatus_Uhk_IdleCycle;
+            *uhkModulePhase = isMessageValid ? UhkModulePhase_RequestKeyStates : UhkModulePhase_RequestModulePointerCount;
             break;
         }
 
@@ -171,32 +222,19 @@ status_t UhkModuleSlaveDriver_Update(uint8_t uhkModuleDriverId)
         case UhkModulePhase_ProcessKeystates:
             if (CRC16_IsMessageValid(rxMessage)) {
                 uint8_t slotId = uhkModuleDriverId + 1;
-                BoolBitsToBytes(rxMessage->data, keyStatesBuffer, uhkModuleState->features.keyCount);
+                BoolBitsToBytes(rxMessage->data, keyStatesBuffer, uhkModuleState->keyCount);
-                for (uint8_t keyId=0; keyId<uhkModuleState->features.keyCount; keyId++) {
+                for (uint8_t keyId=0; keyId<uhkModuleState->keyCount; keyId++) {
                     KeyStates[slotId][keyId].current = keyStatesBuffer[keyId];
                 }
             }
-            status = kStatus_Uhk_NoTransfer;
+            status = kStatus_Uhk_IdleCycle;
-            *uhkModulePhase = UhkModulePhase_JumpToBootloader;
-            break;
-
-        // Jump to bootloader
-        case UhkModulePhase_JumpToBootloader:
-            if (uhkModuleState->jumpToBootloader) {
-                txMessage.data[0] = SlaveCommand_JumpToBootloader;
-                txMessage.length = 1;
-                status = tx(i2cAddress);
-                uhkModuleState->jumpToBootloader = false;
-            } else {
-                status = kStatus_Uhk_NoTransfer;
-            }
             *uhkModulePhase = UhkModulePhase_SetTestLed;
             break;
 
         // Set test LED
         case UhkModulePhase_SetTestLed:
             if (uhkModuleSourceVars->isTestLedOn == uhkModuleTargetVars->isTestLedOn) {
-                status = kStatus_Uhk_NoTransfer;
+                status = kStatus_Uhk_IdleCycle;
             } else {
                 txMessage.data[0] = SlaveCommand_SetTestLed;
                 txMessage.data[1] = uhkModuleSourceVars->isTestLedOn;
@@ -210,7 +248,7 @@ status_t UhkModuleSlaveDriver_Update(uint8_t uhkModuleDriverId)
         // Set PWM brightness
         case UhkModulePhase_SetLedPwmBrightness:
             if (uhkModuleSourceVars->ledPwmBrightness == uhkModuleTargetVars->ledPwmBrightness) {
-                status = kStatus_Uhk_NoTransfer;
+                status = kStatus_Uhk_IdleCycle;
             } else {
                 txMessage.data[0] = SlaveCommand_SetLedPwmBrightness;
                 txMessage.data[1] = uhkModuleSourceVars->ledPwmBrightness;
@@ -227,8 +265,10 @@ status_t UhkModuleSlaveDriver_Update(uint8_t uhkModuleDriverId)
 
 void UhkModuleSlaveDriver_Disconnect(uint8_t uhkModuleDriverId)
 {
+#ifdef LED_DRIVERS_ENABLED
     if (uhkModuleDriverId == SlaveId_LeftKeyboardHalf) {
         Slaves[SlaveId_LeftLedDriver].isConnected = false;
     }
     UhkModuleStates[uhkModuleDriverId].moduleId = 0;
+#endif
 }

right/src/slave_drivers/uhk_module_driver.h

@@ -5,6 +5,7 @@
 
     #include "fsl_common.h"
     #include "crc16.h"
+    #include "versions.h"
 
 // Macros:
 
@@ -29,19 +30,29 @@
         UhkModulePhase_ProcessSync,
 
         // Get protocol version
-        UhkModulePhase_RequestProtocolVersion,
+        UhkModulePhase_RequestModuleProtocolVersion,
-        UhkModulePhase_ReceiveProtocolVersion,
+        UhkModulePhase_ReceiveModuleProtocolVersion,
-        UhkModulePhase_ProcessProtocolVersion,
+        UhkModulePhase_ProcessModuleProtocolVersion,
+
+        // Get firmware version
+        UhkModulePhase_RequestFirmwareVersion,
+        UhkModulePhase_ReceiveFirmwareVersion,
+        UhkModulePhase_ProcessFirmwareVersion,
 
         // Get module id
         UhkModulePhase_RequestModuleId,
         UhkModulePhase_ReceiveModuleId,
         UhkModulePhase_ProcessModuleId,
 
-        // Get module features
+        // Get module key count
-        UhkModulePhase_RequestModuleFeatures,
+        UhkModulePhase_RequestModuleKeyCount,
-        UhkModulePhase_ReceiveModuleFeatures,
+        UhkModulePhase_ReceiveModuleKeyCount,
-        UhkModulePhase_ProcessModuleFeatures,
+        UhkModulePhase_ProcessModuleKeyCount,
+
+        // Get module key count
+        UhkModulePhase_RequestModulePointerCount,
+        UhkModulePhase_ReceiveModulePointerCount,
+        UhkModulePhase_ProcessModulePointerCount,
 
         // Get key states
         UhkModulePhase_RequestKeyStates,
@@ -49,9 +60,9 @@
         UhkModulePhase_ProcessKeystates,
 
         // Misc phases
-        UhkModulePhase_JumpToBootloader,
         UhkModulePhase_SetTestLed,
         UhkModulePhase_SetLedPwmBrightness,
+        UhkModulePhase_JumpToBootloader,
 
     } uhk_module_phase_t;
 
@@ -62,15 +73,16 @@
 
     typedef struct {
         uint8_t moduleId;
-        uint8_t protocolVersion;
+        version_t moduleProtocolVersion;
+        version_t firmwareVersion;
         uhk_module_phase_t phase;
         uhk_module_vars_t sourceVars;
         uhk_module_vars_t targetVars;
         i2c_message_t rxMessage;
         uint8_t firmwareI2cAddress;
         uint8_t bootloaderI2cAddress;
-        uhk_module_features_t features;
+        uint8_t keyCount;
-        bool jumpToBootloader;
+        uint8_t pointerCount;
     } uhk_module_state_t;
 
     typedef struct {

right/src/slave_scheduler.c

@@ -6,6 +6,8 @@
 #include "slave_drivers/kboot_driver.h"
 #include "i2c.h"
 #include "i2c_addresses.h"
+#include "config.h"
+#include "i2c_error_logger.h"
 
 uint32_t I2cSlaveScheduler_Counter;
 
@@ -29,6 +31,7 @@ uhk_slave_t Slaves[] = {
         .update = UhkModuleSlaveDriver_Update,
         .perDriverId = UhkModuleDriverId_RightAddon,
     },
+#ifdef LED_DRIVERS_ENABLED
     {
         .init = LedSlaveDriver_Init,
         .update = LedSlaveDriver_Update,
@@ -39,6 +42,7 @@ uhk_slave_t Slaves[] = {
         .update = LedSlaveDriver_Update,
         .perDriverId = LedDriverId_Left,
     },
+#endif
     {
         .init = KbootSlaveDriver_Init,
         .update = KbootSlaveDriver_Update,
@@ -48,23 +52,27 @@ uhk_slave_t Slaves[] = {
 
 static void slaveSchedulerCallback(I2C_Type *base, i2c_master_handle_t *handle, status_t previousStatus, void *userData)
 {
-    bool isFirstIteration = true;
+    bool isFirstCycle = true;
     bool isTransferScheduled = false;
     I2cSlaveScheduler_Counter++;
 
     do {
-        uhk_slave_t *previousSlave = Slaves + previousSlaveId;
         uhk_slave_t *currentSlave = Slaves + currentSlaveId;
 
-        previousSlave->previousStatus = previousStatus;
+        if (isFirstCycle) {
+            uhk_slave_t *previousSlave = Slaves + previousSlaveId;
+            previousSlave->previousStatus = previousStatus;
+            if (IS_STATUS_I2C_ERROR(previousStatus)) {
+                LogI2cError(previousSlaveId, previousStatus);
+            }
 
-        if (isFirstIteration) {
             bool wasPreviousSlaveConnected = previousSlave->isConnected;
             previousSlave->isConnected = previousStatus == kStatus_Success;
             if (wasPreviousSlaveConnected && !previousSlave->isConnected && previousSlave->disconnect) {
                 previousSlave->disconnect(previousSlaveId);
             }
-            isFirstIteration = false;
+
+            isFirstCycle = false;
         }
 
         if (!currentSlave->isConnected) {
@@ -72,18 +80,21 @@ static void slaveSchedulerCallback(I2C_Type *base, i2c_master_handle_t *handle,
         }
 
         status_t currentStatus = currentSlave->update(currentSlave->perDriverId);
-        isTransferScheduled = currentStatus != kStatus_Uhk_IdleSlave && currentStatus != kStatus_Uhk_NoTransfer;
+        if (IS_STATUS_I2C_ERROR(currentStatus)) {
+            LogI2cError(currentSlaveId, currentStatus);
+        }
+        isTransferScheduled = currentStatus != kStatus_Uhk_IdleSlave && currentStatus != kStatus_Uhk_IdleCycle;
         if (isTransferScheduled) {
             currentSlave->isConnected = true;
         }
 
-        if (currentStatus != kStatus_Uhk_NoTransfer) {
+        if (currentStatus != kStatus_Uhk_IdleCycle) {
             previousSlaveId = currentSlaveId++;
+            if (currentSlaveId >= SLAVE_COUNT) {
+                currentSlaveId = 0;
+            }
         }
 
-        if (currentSlaveId >= (sizeof(Slaves) / sizeof(uhk_slave_t))) {
-            currentSlaveId = 0;
-        }
     } while (!isTransferScheduled);
 }
 
@@ -92,7 +103,7 @@ void InitSlaveScheduler(void)
     previousSlaveId = 0;
     currentSlaveId = 0;
 
-    for (uint8_t i=0; i<sizeof(Slaves) / sizeof(uhk_slave_t); i++) {
+    for (uint8_t i=0; i<SLAVE_COUNT; i++) {
         uhk_slave_t *currentSlave = Slaves + i;
         currentSlave->isConnected = false;
     }

right/src/slave_scheduler.h

@@ -4,6 +4,14 @@
 // Includes:
 
     #include "fsl_common.h"
+    #include "config.h"
+
+// Macros:
+
+    #define SLAVE_COUNT (sizeof(Slaves) / sizeof(uhk_slave_t))
+    #define MAX_SLAVE_COUNT 6
+    #define IS_VALID_SLAVE_ID(slaveId) (0 <= slaveId && slaveId <= MAX_SLAVE_COUNT)
+    #define IS_STATUS_I2C_ERROR(status) (kStatus_I2C_Busy <= status && status <= kStatus_I2C_Timeout)
 
 // Typedefs:
 
@@ -11,8 +19,10 @@
         SlaveId_LeftKeyboardHalf,
         SlaveId_LeftAddon,
         SlaveId_RightAddon,
+#ifdef LED_DRIVERS_ENABLED
         SlaveId_RightLedDriver,
         SlaveId_LeftLedDriver,
+#endif
         SlaveId_KbootDriver,
     } slave_id_t;
 
@@ -30,12 +40,12 @@
     } uhk_slave_t;
 
     typedef enum {
-        kStatusGroup_Uhk = -1,
+        kStatusGroup_Uhk = 200,
     } uhk_status_group_t;
 
     typedef enum {
-        kStatus_Uhk_IdleSlave  = MAKE_STATUS(kStatusGroup_Uhk, 0), // Another slave should be scheduled
+        kStatus_Uhk_IdleSlave = MAKE_STATUS(kStatusGroup_Uhk, 0), // Another slave should be scheduled
-        kStatus_Uhk_NoTransfer = MAKE_STATUS(kStatusGroup_Uhk, 1), // The same slave should be rescheduled
+        kStatus_Uhk_IdleCycle = MAKE_STATUS(kStatusGroup_Uhk, 1), // The same slave should be rescheduled
     } uhk_status_t;
 
 // Variables:

right/src/slot.h

@@ -13,7 +13,7 @@
 // Macros:
 
     #define SLOT_COUNT 4
-    #define IS_VALID_SLAVE_SLOT(slotId) (SlotId_LeftKeyboardHalf <= (slotId) && (slotId) <= SlotId_RightModule)
+    #define IS_VALID_MODULE_SLOT(slotId) (SlotId_LeftKeyboardHalf <= (slotId) && (slotId) <= SlotId_RightModule)
 
 // Typedefs:
 

right/src/usb_commands/usb_command_get_device_property.c

@@ -0,0 +1,78 @@
+#include "fsl_common.h"
+#include "usb_commands/usb_command_get_device_property.h"
+#include "usb_protocol_handler.h"
+#include "eeprom.h"
+#include "versions.h"
+#include "slave_drivers/kboot_driver.h"
+#include "i2c.h"
+#include "init_peripherals.h"
+#include "fsl_i2c.h"
+#include "timer.h"
+
+version_t deviceProtocolVersion = {
+    DEVICE_PROTOCOL_MAJOR_VERSION,
+    DEVICE_PROTOCOL_MINOR_VERSION,
+    DEVICE_PROTOCOL_PATCH_VERSION,
+};
+
+version_t protocolVersions[] =
+{
+    {
+        FIRMWARE_MAJOR_VERSION,
+        FIRMWARE_MINOR_VERSION,
+        FIRMWARE_PATCH_VERSION,
+    },
+    {
+        DEVICE_PROTOCOL_MAJOR_VERSION,
+        DEVICE_PROTOCOL_MINOR_VERSION,
+        DEVICE_PROTOCOL_PATCH_VERSION,
+    },
+    {
+        MODULE_PROTOCOL_MAJOR_VERSION,
+        MODULE_PROTOCOL_MINOR_VERSION,
+        MODULE_PROTOCOL_PATCH_VERSION,
+    },
+    {
+        USER_CONFIG_MAJOR_VERSION,
+        USER_CONFIG_MINOR_VERSION,
+        USER_CONFIG_PATCH_VERSION,
+    },
+    {
+        HARDWARE_CONFIG_MAJOR_VERSION,
+        HARDWARE_CONFIG_MINOR_VERSION,
+        HARDWARE_CONFIG_PATCH_VERSION,
+    }
+};
+
+uint16_t configSizes[] = {HARDWARE_CONFIG_SIZE, USER_CONFIG_SIZE};
+
+void UsbCommand_GetDeviceProperty(void)
+{
+    uint8_t propertyId = GetUsbRxBufferUint8(1);
+
+    switch (propertyId) {
+        case DevicePropertyId_DeviceProtocolVersion:
+            memcpy(GenericHidOutBuffer+1, (uint8_t*)&deviceProtocolVersion, sizeof(deviceProtocolVersion));
+            break;
+        case DevicePropertyId_ProtocolVersions:
+            memcpy(GenericHidOutBuffer+1, (uint8_t*)&protocolVersions, sizeof(protocolVersions));
+            break;
+        case DevicePropertyId_ConfigSizes:
+            memcpy(GenericHidOutBuffer+1, (uint8_t*)&configSizes, sizeof(configSizes));
+            break;
+        case DevicePropertyId_CurrentKbootCommand:
+            GenericHidOutBuffer[1] = KbootDriverState.command;
+            break;
+        case DevicePropertyId_I2cMainBusBaudRate:
+            GenericHidOutBuffer[1] = I2C_MAIN_BUS_BASEADDR->F;
+            SetUsbTxBufferUint32(2, I2cMainBusRequestedBaudRateBps);
+            SetUsbTxBufferUint32(6, I2cMainBusActualBaudRateBps);
+            break;
+        case DevicePropertyId_Uptime:
+            SetUsbTxBufferUint32(1, CurrentTime);
+            break;
+        default:
+            SetUsbTxBufferUint8(0, UsbStatusCode_GetDeviceProperty_InvalidProperty);
+            break;
+    }
+}

right/src/usb_commands/usb_command_get_device_property.h

@@ -0,0 +1,23 @@
+#ifndef __USB_COMMAND_GET_DEVICE_PROPERTY_H__
+#define __USB_COMMAND_GET_DEVICE_PROPERTY_H__
+
+// Typedefs:
+
+    typedef enum {
+        DevicePropertyId_DeviceProtocolVersion = 0,
+        DevicePropertyId_ProtocolVersions      = 1,
+        DevicePropertyId_ConfigSizes           = 2,
+        DevicePropertyId_CurrentKbootCommand   = 3,
+        DevicePropertyId_I2cMainBusBaudRate    = 4,
+        DevicePropertyId_Uptime                = 5,
+    } device_property_t;
+
+    typedef enum {
+        UsbStatusCode_GetDeviceProperty_InvalidProperty = 2,
+    } usb_status_code_get_device_property_t;
+
+// Functions:
+
+    void UsbCommand_GetDeviceProperty(void);
+
+#endif

right/src/usb_commands/usb_command_get_device_state.c

@@ -1,5 +1,5 @@
 #include "fsl_common.h"
-#include "usb_commands/usb_command_get_keyboard_state.h"
+#include "usb_commands/usb_command_get_device_state.h"
 #include "usb_protocol_handler.h"
 #include "eeprom.h"
 #include "peripherals/merge_sensor.h"

right/src/usb_commands/usb_command_get_module_property.c

@@ -0,0 +1,26 @@
+#include "fsl_common.h"
+#include "usb_commands/usb_command_get_module_property.h"
+#include "usb_protocol_handler.h"
+#include "slot.h"
+#include "slave_drivers/uhk_module_driver.h"
+
+void UsbCommand_GetModuleProperty()
+{
+    slot_t slotId = GetUsbRxBufferUint8(1);
+
+    if (!IS_VALID_MODULE_SLOT(slotId)) {
+        SetUsbTxBufferUint8(0, UsbStatusCode_GetModuleProperty_InvalidModuleSlotId);
+    }
+
+    module_property_id_t modulePropertyId = GetUsbRxBufferUint8(2);
+    switch (modulePropertyId) {
+        case ModulePropertyId_VersionNumbers: {
+            uint8_t moduleDriverId = SLOT_ID_TO_UHK_MODULE_DRIVER_ID(slotId);
+            uhk_module_state_t *moduleState = UhkModuleStates + moduleDriverId;
+            GenericHidOutBuffer[1] = moduleState->moduleId;
+            memcpy(GenericHidOutBuffer + 2, &moduleState->moduleProtocolVersion, sizeof(version_t));
+            memcpy(GenericHidOutBuffer + 8, &moduleState->firmwareVersion, sizeof(version_t));
+            break;
+        }
+    }
+}

right/src/usb_commands/usb_command_get_module_property.h

@@ -0,0 +1,18 @@
+#ifndef __USB_COMMAND_GET_MODULE_PROPERTY_H__
+#define __USB_COMMAND_GET_MODULE_PROPERTY_H__
+
+// Functions:
+
+    void UsbCommand_GetModuleProperty();
+
+// Typedefs:
+
+    typedef enum {
+        ModulePropertyId_VersionNumbers = 0,
+    } module_property_id_t;
+
+    typedef enum {
+        UsbStatusCode_GetModuleProperty_InvalidModuleSlotId = 2,
+    } usb_status_code_get_module_property_t;
+
+#endif

right/src/usb_commands/usb_command_get_property.c

@@ -1,33 +0,0 @@
-#include "fsl_common.h"
-#include "usb_commands/usb_command_get_property.h"
-#include "usb_protocol_handler.h"
-#include "eeprom.h"
-
-void UsbCommand_GetProperty(void)
-{
-    uint8_t propertyId = GetUsbRxBufferUint8(1);
-
-    switch (propertyId) {
-        case SystemPropertyId_UsbProtocolVersion:
-            SetUsbTxBufferUint8(1, SYSTEM_PROPERTY_USB_PROTOCOL_VERSION);
-            break;
-        case SystemPropertyId_BridgeProtocolVersion:
-            SetUsbTxBufferUint8(1, SYSTEM_PROPERTY_BRIDGE_PROTOCOL_VERSION);
-            break;
-        case SystemPropertyId_DataModelVersion:
-            SetUsbTxBufferUint8(1, SYSTEM_PROPERTY_DATA_MODEL_VERSION);
-            break;
-        case SystemPropertyId_FirmwareVersion:
-            SetUsbTxBufferUint8(1, SYSTEM_PROPERTY_FIRMWARE_VERSION);
-            break;
-        case SystemPropertyId_HardwareConfigSize:
-            SetUsbTxBufferUint16(1, HARDWARE_CONFIG_SIZE);
-            break;
-        case SystemPropertyId_UserConfigSize:
-            SetUsbTxBufferUint16(1, USER_CONFIG_SIZE);
-            break;
-        default:
-            SetUsbTxBufferUint8(0, UsbStatusCode_GetProperty_InvalidProperty);
-            break;
-    }
-}

right/src/usb_commands/usb_command_get_property.h

@@ -1,30 +0,0 @@
-#ifndef __USB_COMMAND_GET_PROPERTY_H__
-#define __USB_COMMAND_GET_PROPERTY_H__
-
-// Macros:
-
-    #define SYSTEM_PROPERTY_USB_PROTOCOL_VERSION      1
-    #define SYSTEM_PROPERTY_BRIDGE_PROTOCOL_VERSION   1
-    #define SYSTEM_PROPERTY_DATA_MODEL_VERSION        1
-    #define SYSTEM_PROPERTY_FIRMWARE_VERSION          1
-
-// Typedefs:
-
-    typedef enum {
-        SystemPropertyId_UsbProtocolVersion    = 0,
-        SystemPropertyId_BridgeProtocolVersion = 1,
-        SystemPropertyId_DataModelVersion      = 2,
-        SystemPropertyId_FirmwareVersion       = 3,
-        SystemPropertyId_HardwareConfigSize    = 4,
-        SystemPropertyId_UserConfigSize        = 5,
-    } system_property_t;
-
-    typedef enum {
-        UsbStatusCode_GetProperty_InvalidProperty = 2,
-    } usb_status_code_get_property_t;
-
-// Functions:
-
-    void UsbCommand_GetProperty(void);
-
-#endif

right/src/usb_commands/usb_command_get_slave_i2c_errors.c

@@ -0,0 +1,19 @@
+#include "fsl_common.h"
+#include "usb_commands/usb_command_get_slave_i2c_errors.h"
+#include "usb_protocol_handler.h"
+#include "slave_scheduler.h"
+#include "i2c_error_logger.h"
+
+void UsbCommand_GetSlaveI2cErrors()
+{
+    uint8_t slaveId = GetUsbRxBufferUint8(1);
+
+    if (!IS_VALID_SLAVE_ID(slaveId)) {
+        SetUsbTxBufferUint8(0, UsbStatusCode_GetModuleProperty_InvalidSlaveId);
+    }
+
+    i2c_slave_error_counter_t *i2cSlaveErrorCounter =  I2cSlaveErrorCounters + slaveId;
+
+    GenericHidOutBuffer[1] = i2cSlaveErrorCounter->errorTypeCount;
+    memcpy(GenericHidOutBuffer + 2, i2cSlaveErrorCounter->errors, sizeof(i2c_error_count_t) * MAX_LOGGED_I2C_ERROR_TYPES_PER_SLAVE);
+}

right/src/usb_commands/usb_command_get_slave_i2c_errors.h

@@ -0,0 +1,14 @@
+#ifndef __USB_COMMAND_GET_SLAVE_I2C_ERRORS_H__
+#define __USB_COMMAND_GET_SLAVE_I2C_ERRORS_H__
+
+// Functions:
+
+    void UsbCommand_GetSlaveI2cErrors();
+
+// Typedefs:
+
+    typedef enum {
+        UsbStatusCode_GetModuleProperty_InvalidSlaveId = 2,
+    } usb_status_code_get_slave_i2c_errors_t;
+
+#endif

right/src/usb_commands/usb_command_jump_to_module_bootloader.c

@@ -7,11 +7,11 @@ void UsbCommand_JumpToModuleBootloader(void)
 {
     uint8_t slotId = GetUsbRxBufferUint8(1);
 
-    if (!IS_VALID_SLAVE_SLOT(slotId)) {
+    if (!IS_VALID_MODULE_SLOT(slotId)) {
         SetUsbTxBufferUint8(0, UsbStatusCode_JumpToModuleBootloader_InvalidSlaveSlotId);
         return;
     }
 
     uint8_t uhkModuleDriverId = SLOT_ID_TO_UHK_MODULE_DRIVER_ID(slotId);
-    UhkModuleStates[uhkModuleDriverId].jumpToBootloader = true;
+    UhkModuleStates[uhkModuleDriverId].phase = UhkModulePhase_JumpToBootloader;
 }

right/src/usb_commands/usb_command_send_kboot_command_to_module.c

@@ -6,5 +6,5 @@ void UsbCommand_SendKbootCommandToModule(void)
 {
     KbootDriverState.phase = 0;
     KbootDriverState.i2cAddress  = GetUsbRxBufferUint8(2);
-    KbootDriverState.commandType = GetUsbRxBufferUint8(1); // Command should be set last.
+    KbootDriverState.command = GetUsbRxBufferUint8(1); // Command should be set last.
 }

right/src/usb_commands/usb_command_set_i2c_baud_rate.c

@@ -0,0 +1,11 @@
+#include "usb_protocol_handler.h"
+#include "usb_commands/usb_command_set_i2c_baud_rate.h"
+#include "init_peripherals.h"
+#include "fsl_i2c.h"
+
+void UsbCommand_SetI2cBaudRate(void)
+{
+    uint32_t i2cBaudRate = GetUsbRxBufferUint32(1);
+    I2cMainBusRequestedBaudRateBps = i2cBaudRate;
+    ReinitI2cMainBus();
+}

right/src/usb_commands/usb_command_set_i2c_baud_rate.h

@@ -0,0 +1,8 @@
+#ifndef __USB_COMMAND_SET_I2C_BAUD_RATE__
+#define __USB_COMMAND_SET_I2C_BAUD_RATE__
+
+// Functions:
+
+    void UsbCommand_SetI2cBaudRate(void);
+
+#endif

right/src/usb_protocol_handler.c

@@ -1,6 +1,7 @@
 #include "usb_protocol_handler.h"
 #include "buffer.h"
-#include "usb_commands/usb_command_get_property.h"
+#include "usb_commands/usb_command_get_device_property.h"
+#include "usb_commands/usb_command_get_module_property.h"
 #include "usb_commands/usb_command_reenumerate.h"
 #include "usb_commands/usb_command_set_test_led.h"
 #include "usb_commands/usb_command_write_config.h"
@@ -9,18 +10,20 @@
 #include "usb_commands/usb_command_get_adc_value.h"
 #include "usb_commands/usb_command_launch_eeprom_transfer.h"
 #include "usb_commands/usb_command_read_config.h"
-#include "usb_commands/usb_command_get_keyboard_state.h"
+#include "usb_commands/usb_command_get_device_state.h"
 #include "usb_commands/usb_command_get_debug_buffer.h"
 #include "usb_commands/usb_command_jump_to_module_bootloader.h"
 #include "usb_commands/usb_command_send_kboot_command_to_module.h"
+#include "usb_commands/usb_command_get_slave_i2c_errors.h"
+#include "usb_commands/usb_command_set_i2c_baud_rate.h"
 
 void UsbProtocolHandler(void)
 {
     bzero(GenericHidOutBuffer, USB_GENERIC_HID_OUT_BUFFER_LENGTH);
     uint8_t command = GetUsbRxBufferUint8(0);
     switch (command) {
-        case UsbCommandId_GetProperty:
+        case UsbCommandId_GetDeviceProperty:
-            UsbCommand_GetProperty();
+            UsbCommand_GetDeviceProperty();
             break;
         case UsbCommandId_Reenumerate:
             UsbCommand_Reenumerate();
@@ -61,6 +64,15 @@ void UsbProtocolHandler(void)
         case UsbCommandId_SetLedPwmBrightness:
             UsbCommand_SetLedPwmBrightness();
             break;
+        case UsbCommandId_GetModuleProperty:
+            UsbCommand_GetModuleProperty();
+            break;
+        case UsbCommandId_GetSlaveI2cErrors:
+            UsbCommand_GetSlaveI2cErrors();
+            break;
+        case UsbCommandId_SetI2cBaudRate:
+            UsbCommand_SetI2cBaudRate();
+            break;
         default:
             SetUsbTxBufferUint8(0, UsbStatusCode_InvalidCommand);
             break;

right/src/usb_protocol_handler.h

@@ -13,7 +13,7 @@
 // Typedefs:
 
     typedef enum {
-        UsbCommandId_GetProperty              = 0x00,
+        UsbCommandId_GetDeviceProperty        = 0x00,
 
         UsbCommandId_Reenumerate              = 0x01,
         UsbCommandId_JumpToModuleBootloader   = 0x02,
@@ -30,6 +30,9 @@
         UsbCommandId_GetDebugBuffer           = 0x0b,
         UsbCommandId_GetAdcValue              = 0x0c,
         UsbCommandId_SetLedPwmBrightness      = 0x0d,
+        UsbCommandId_GetModuleProperty        = 0x0e,
+        UsbCommandId_GetSlaveI2cErrors        = 0x0f,
+        UsbCommandId_SetI2cBaudRate           = 0x10,
     } usb_command_id_t;
 
     typedef enum {

right/src/usb_report_updater.c

@@ -99,15 +99,21 @@ void processMouseKineticState(mouse_kinetic_state_t *kineticState)
 
         float distance = kineticState->currentSpeed * elapsedTime / 1000;
 
+
         if (kineticState->isScroll && !kineticState->wasMoveAction) {
             kineticState->xSum = 0;
             kineticState->ySum = 0;
         }
 
+        // Update horizontal state
+
+        bool horizontalMovement = true;
         if (activeMouseStates[kineticState->leftState]) {
             kineticState->xSum -= distance;
         } else if (activeMouseStates[kineticState->rightState]) {
             kineticState->xSum += distance;
+        } else {
+            horizontalMovement = false;
         }
 
         float xSumInt;
@@ -115,15 +121,20 @@ void processMouseKineticState(mouse_kinetic_state_t *kineticState)
         kineticState->xSum = xSumFrac;
         kineticState->xOut = xSumInt;
 
-        if (kineticState->isScroll && !kineticState->wasMoveAction && kineticState->xOut == 0) {
+        if (kineticState->isScroll && !kineticState->wasMoveAction && kineticState->xOut == 0 && horizontalMovement) {
             kineticState->xOut = kineticState->xSum > 0 ? 1 : -1;
             kineticState->xSum = 0;
         }
 
+        // Update vertical state
+
+        bool verticalMovement = true;
         if (activeMouseStates[kineticState->upState]) {
             kineticState->ySum -= distance;
         } else if (activeMouseStates[kineticState->downState]) {
             kineticState->ySum += distance;
+        } else {
+            verticalMovement = false;
         }
 
         float ySumInt;
@@ -131,7 +142,7 @@ void processMouseKineticState(mouse_kinetic_state_t *kineticState)
         kineticState->ySum = ySumFrac;
         kineticState->yOut = ySumInt;
 
-        if (kineticState->isScroll && !kineticState->wasMoveAction && kineticState->yOut == 0) {
+        if (kineticState->isScroll && !kineticState->wasMoveAction && kineticState->yOut == 0 && verticalMovement) {
             kineticState->yOut = kineticState->ySum > 0 ? 1 : -1;
             kineticState->ySum = 0;
         }

scripts/generate-versions-h.js

@@ -0,0 +1,41 @@
+#!/usr/bin/env node
+const fs = require('fs');
+
+const versionPropertyPrefixes = ['firmware', 'deviceProtocol', 'moduleProtocol', 'userConfig', 'hardwareConfig'];
+const patchVersions = ['Major', 'Minor', 'Patch'];
+const package = JSON.parse(fs.readFileSync(`${__dirname}/package.json`));
+
+const versionVariables = versionPropertyPrefixes.map(versionPropertyPrefix => {
+    const versionPropertyName = `${versionPropertyPrefix}Version`
+    const versionPropertyValues = package[versionPropertyName].split('.');
+    return patchVersions.map(patchVersion => {
+        const versionPropertyValue = versionPropertyValues.shift();
+        const versionPropertyMacroName = `${versionPropertyPrefix}${patchVersion}Version`.split(/(?=[A-Z])/).join('_').toUpperCase()
+        return `    #define ${versionPropertyMacroName} ${versionPropertyValue}`;
+    }).join('\n') + '\n';
+}).join('\n');
+
+fs.writeFileSync(`${__dirname}/../shared/versions.h`,
+`// Please do not edit this file by hand!
+// It is to be regenerated by /scripts/generate-versions-h.js
+
+#ifndef __VERSIONS_H__
+#define __VERSIONS_H__
+
+// Includes:
+
+    #include "fsl_common.h"
+
+// Typedefs:
+
+    typedef struct {
+        uint16_t major;
+        uint16_t minor;
+        uint16_t patch;
+    } version_t;
+
+// Variables:
+
+${versionVariables}
+#endif
+`);

scripts/make-release.js

@@ -5,8 +5,10 @@ require('shelljs/global');
 config.fatal = true;
 config.verbose = true;
 
+exec(`${__dirname}/generate-versions-h.js`);
+
 const package = JSON.parse(fs.readFileSync(`${__dirname}/package.json`));
-const version = package.version;
+const version = package.firmwareVersion;
 const releaseName = `uhk-firmware-${version}`;
 const releaseDir = `${__dirname}/${releaseName}`;
 const modulesDir = `${releaseDir}/modules`;
@@ -28,7 +30,7 @@ exec(`/opt/Freescale/KDS_v3/eclipse/kinetis-design-studio \
 -cleanBuild uhk-right`
 );
 
-for (let device of package.devices) {
+for (const device of package.devices) {
     const deviceDir = `${releaseDir}/devices/${device.name}`;
     const deviceSource = `${__dirname}/../${device.source}`;
     mkdir('-p', deviceDir);
@@ -37,7 +39,7 @@ for (let device of package.devices) {
     exec(`${usbDir}/user-config-json-to-bin.ts ${deviceDir}/config.bin`);
 }
 
-for (let module of package.modules) {
+for (const module of package.modules) {
     const moduleDir = `${releaseDir}/modules`;
     const moduleSource = `${__dirname}/../${module.source}`;
     mkdir('-p', moduleDir);

scripts/package.json

@@ -15,10 +15,11 @@
     "commander": "^2.11.0",
     "shelljs": "^0.7.8"
   },
-  "version": "6.0.0",
+  "firmwareVersion": "8.1.0",
-  "dataModelVersion": "4.0.0",
+  "deviceProtocolVersion": "4.2.0",
-  "usbProtocolVersion": "3.0.0",
+  "moduleProtocolVersion": "4.0.0",
-  "slaveProtocolVersion": "3.0.0",
+  "userConfigVersion": "4.0.0",
+  "hardwareConfigVersion": "1.0.0",
   "devices": [
     {
       "deviceId": 1,

shared/slave_protocol.h

@@ -27,9 +27,11 @@
 
     typedef enum {
         SlaveProperty_Sync,
-        SlaveProperty_ProtocolVersion,
+        SlaveProperty_ModuleProtocolVersion,
+        SlaveProperty_FirmwareVersion,
         SlaveProperty_ModuleId,
-        SlaveProperty_Features,
+        SlaveProperty_KeyCount,
+        SlaveProperty_PointerCount,
     } slave_property_t;
 
     typedef enum {
@@ -40,11 +42,6 @@
         ModuleId_TouchpadRight    = 5,
     } module_id_t;
 
-    typedef struct {
-        uint8_t keyCount;
-        bool hasPointer;
-    } uhk_module_features_t;
-
     typedef struct {
         uint8_t length;
         uint16_t crc;

shared/versions.h

@@ -0,0 +1,41 @@
+// Please do not edit this file by hand!
+// It is to be regenerated by /scripts/generate-versions-h.js
+
+#ifndef __VERSIONS_H__
+#define __VERSIONS_H__
+
+// Includes:
+
+    #include "fsl_common.h"
+
+// Typedefs:
+
+    typedef struct {
+        uint16_t major;
+        uint16_t minor;
+        uint16_t patch;
+    } version_t;
+
+// Variables:
+
+    #define FIRMWARE_MAJOR_VERSION 8
+    #define FIRMWARE_MINOR_VERSION 1
+    #define FIRMWARE_PATCH_VERSION 0
+
+    #define DEVICE_PROTOCOL_MAJOR_VERSION 4
+    #define DEVICE_PROTOCOL_MINOR_VERSION 2
+    #define DEVICE_PROTOCOL_PATCH_VERSION 0
+
+    #define MODULE_PROTOCOL_MAJOR_VERSION 4
+    #define MODULE_PROTOCOL_MINOR_VERSION 0
+    #define MODULE_PROTOCOL_PATCH_VERSION 0
+
+    #define USER_CONFIG_MAJOR_VERSION 4
+    #define USER_CONFIG_MINOR_VERSION 0
+    #define USER_CONFIG_PATCH_VERSION 0
+
+    #define HARDWARE_CONFIG_MAJOR_VERSION 1
+    #define HARDWARE_CONFIG_MINOR_VERSION 0
+    #define HARDWARE_CONFIG_PATCH_VERSION 0
+
+#endif