Extract the applyConfig USB command into usb_command_apply_config.[ch]

right/src/usb_commands/usb_command_apply_config.c

@@ -0,0 +1,58 @@
+#include "fsl_common.h"
+#include "usb_commands/usb_command_apply_config.h"
+#include "config_parser/config_globals.h"
+#include "config_parser/parse_config.h"
+#include "usb_interfaces/usb_interface_generic_hid.h"
+#include "usb_protocol_handler.h"
+#include "keymap.h"
+
+void UsbCommand_ApplyConfig(void)
+{
+    // Validate the staging configuration.
+
+    ParserRunDry = true;
+    StagingUserConfigBuffer.offset = 0;
+    GenericHidOutBuffer[0] = ParseConfig(&StagingUserConfigBuffer);
+    *(uint16_t*)(GenericHidOutBuffer+1) = StagingUserConfigBuffer.offset;
+    GenericHidOutBuffer[3] = 0;
+
+    if (GenericHidOutBuffer[0] != UsbResponse_Success) {
+        return;
+    }
+
+    // Make the staging configuration the current one.
+
+    char oldKeymapAbbreviation[KEYMAP_ABBREVIATION_LENGTH];
+    uint8_t oldKeymapAbbreviationLen;
+    memcpy(oldKeymapAbbreviation, AllKeymaps[CurrentKeymapIndex].abbreviation, KEYMAP_ABBREVIATION_LENGTH);
+    oldKeymapAbbreviationLen = AllKeymaps[CurrentKeymapIndex].abbreviationLen;
+
+    uint8_t *temp = ValidatedUserConfigBuffer.buffer;
+    ValidatedUserConfigBuffer.buffer = StagingUserConfigBuffer.buffer;
+    StagingUserConfigBuffer.buffer = temp;
+
+    ParserRunDry = false;
+    ValidatedUserConfigBuffer.offset = 0;
+    GenericHidOutBuffer[0] = ParseConfig(&ValidatedUserConfigBuffer);
+    *(uint16_t*)(GenericHidOutBuffer+1) = ValidatedUserConfigBuffer.offset;
+    GenericHidOutBuffer[3] = 1;
+
+    if (GenericHidOutBuffer[0] != UsbResponse_Success) {
+        return;
+    }
+
+    // Switch to the keymap of the updated configuration of the same name or the default keymap.
+
+    for (uint8_t keymapId = 0; keymapId < AllKeymapsCount; keymapId++) {
+        if (AllKeymaps[keymapId].abbreviationLen != oldKeymapAbbreviationLen) {
+            continue;
+        }
+        if (memcmp(oldKeymapAbbreviation, AllKeymaps[keymapId].abbreviation, oldKeymapAbbreviationLen)) {
+            continue;
+        }
+        SwitchKeymap(keymapId);
+        return;
+    }
+
+    SwitchKeymap(DefaultKeymapIndex);
+}

right/src/usb_commands/usb_command_apply_config.h

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