Add switch keymap USB command.

right/src/keymap.c

@@ -6,7 +6,14 @@
 #include "config_parser/config_globals.h"
 #include "macros.h"
 
-keymap_reference_t AllKeymaps[MAX_KEYMAP_NUM] = { { "FTY", 0, 3 } };
+keymap_reference_t AllKeymaps[MAX_KEYMAP_NUM] = {
+    {
+        .abbreviation = "FTY",
+        .offset = 0,
+        .abbreviationLen = 3
+    }
+};
+
 uint8_t AllKeymapsCount;
 uint8_t DefaultKeymapIndex;
 uint8_t CurrentKeymapIndex = 0;
@@ -19,6 +26,17 @@ void SwitchKeymap(uint8_t index)
     LedDisplay_SetCurrentKeymapText();
 }
 
+bool SwitchKeymapByAbbreviation(uint8_t length, char *abbrev)
+{
+    for (uint8_t i=0; i<MAX_KEYMAP_NUM; i++) {
+        keymap_reference_t *keymap = AllKeymaps + i;
+        if (keymap->abbreviationLen == length && strcmp(keymap->abbreviation, abbrev) == 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
 // The factory keymap is initialized before it gets overwritten by the default keymap of the EEPROM.
 key_action_t CurrentKeymap[LAYER_COUNT][SLOT_COUNT][MAX_KEY_COUNT_PER_MODULE] = {
     // Base layer

right/src/keymap.h

@@ -30,5 +30,6 @@
 // Functions:
 
     void SwitchKeymap(uint8_t index);
+    bool SwitchKeymapByAbbreviation(uint8_t length, char *abbrev);
 
 #endif

right/src/usb_commands/usb_command_switch_keymap.c

@@ -0,0 +1,17 @@
+#include "usb_protocol_handler.h"
+#include "usb_commands/usb_command_switch_keymap.h"
+#include "keymap.h"
+
+void UsbCommand_SwitchKeymap(void)
+{
+    uint32_t keymapLength = GetUsbRxBufferUint8(1);
+    char *keymapAbbrev = (char*)GenericHidInBuffer + 2;
+
+    if (keymapLength > KEYMAP_ABBREVIATION_LENGTH) {
+        SetUsbTxBufferUint8(0, UsbStatusCode_SwitchKeymap_InvalidAbbreviationLength);
+    }
+
+    if (!SwitchKeymapByAbbreviation(keymapLength, keymapAbbrev)) {
+        SetUsbTxBufferUint8(0, UsbStatusCode_SwitchKeymap_InvalidAbbreviation);
+    }
+}

right/src/usb_commands/usb_command_switch_keymap.h

@@ -0,0 +1,15 @@
+#ifndef __USB_COMMAND_SWITCH_KEYMAP_H__
+#define __USB_COMMAND_SWITCH_KEYMAP_H__
+
+// Functions:
+
+    void UsbCommand_SwitchKeymap(void);
+
+// Typedefs:
+
+    typedef enum {
+        UsbStatusCode_SwitchKeymap_InvalidAbbreviationLength = 2,
+        UsbStatusCode_SwitchKeymap_InvalidAbbreviation = 3,
+    } usb_status_code_switch_keymap_t;
+
+#endif

right/src/usb_protocol_handler.c

@@ -16,6 +16,7 @@
 #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"
+#include "usb_commands/usb_command_switch_keymap.h"
 
 void UsbProtocolHandler(void)
 {
@@ -73,6 +74,9 @@ void UsbProtocolHandler(void)
         case UsbCommandId_SetI2cBaudRate:
             UsbCommand_SetI2cBaudRate();
             break;
+        case UsbCommandId_SwitchKeymap:
+            UsbCommand_SwitchKeymap();
+            break;
         default:
             SetUsbTxBufferUint8(0, UsbStatusCode_InvalidCommand);
             break;

right/src/usb_protocol_handler.h

@@ -33,6 +33,7 @@
         UsbCommandId_GetModuleProperty        = 0x0e,
         UsbCommandId_GetSlaveI2cErrors        = 0x0f,
         UsbCommandId_SetI2cBaudRate           = 0x10,
+        UsbCommandId_SwitchKeymap             = 0x11,
     } usb_command_id_t;
 
     typedef enum {