Move functionality from action_util to report

The functions also takes report_kebyoard_t parameters, so that they can
be used elsewhere.

1 files changed, 177 insertions, 0 deletions

diff --git a/tmk_core/common/report.c b/tmk_core/common/report.c
new file mode 100644
index 000000000..0a67b2534
--- /dev/null
+++ b/tmk_core/common/report.c
@@ -0,0 +1,177 @@
+/* Copyright 2017 Fred Sundvik
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "report.h"
+#include "host.h"
+#include "keycode_config.h"
+#include "debug.h"
+#include "util.h"
+
+uint8_t has_anykey(report_keyboard_t* keyboard_report)
+{
+    uint8_t cnt = 0;
+    for (uint8_t i = 1; i < KEYBOARD_REPORT_SIZE; i++) {
+        if (keyboard_report->raw[i])
+            cnt++;
+    }
+    return cnt;
+}
+
+uint8_t get_first_key(report_keyboard_t* keyboard_report)
+{
+#ifdef NKRO_ENABLE
+    if (keyboard_protocol && keymap_config.nkro) {
+        uint8_t i = 0;
+        for (; i < KEYBOARD_REPORT_BITS && !keyboard_report->nkro.bits[i]; i++)
+            ;
+        return i<<3 | biton(keyboard_report->nkro.bits[i]);
+    }
+#endif
+#ifdef USB_6KRO_ENABLE
+    uint8_t i = cb_head;
+    do {
+        if (keyboard_report->keys[i] != 0) {
+            break;
+        }
+        i = RO_INC(i);
+    } while (i != cb_tail);
+    return keyboard_report->keys[i];
+#else
+    return keyboard_report->keys[0];
+#endif
+}
+
+void add_key_byte(report_keyboard_t* keyboard_report, uint8_t code)
+{
+#ifdef USB_6KRO_ENABLE
+    int8_t i = cb_head;
+    int8_t empty = -1;
+    if (cb_count) {
+        do {
+            if (keyboard_report->keys[i] == code) {
+                return;
+            }
+            if (empty == -1 && keyboard_report->keys[i] == 0) {
+                empty = i;
+            }
+            i = RO_INC(i);
+        } while (i != cb_tail);
+        if (i == cb_tail) {
+            if (cb_tail == cb_head) {
+                // buffer is full
+                if (empty == -1) {
+                    // pop head when has no empty space
+                    cb_head = RO_INC(cb_head);
+                    cb_count--;
+                }
+                else {
+                    // left shift when has empty space
+                    uint8_t offset = 1;
+                    i = RO_INC(empty);
+                    do {
+                        if (keyboard_report->keys[i] != 0) {
+                            keyboard_report->keys[empty] = keyboard_report->keys[i];
+                            keyboard_report->keys[i] = 0;
+                            empty = RO_INC(empty);
+                        }
+                        else {
+                            offset++;
+                        }
+                        i = RO_INC(i);
+                    } while (i != cb_tail);
+                    cb_tail = RO_SUB(cb_tail, offset);
+                }
+            }
+        }
+    }
+    // add to tail
+    keyboard_report->keys[cb_tail] = code;
+    cb_tail = RO_INC(cb_tail);
+    cb_count++;
+#else
+    int8_t i = 0;
+    int8_t empty = -1;
+    for (; i < KEYBOARD_REPORT_KEYS; i++) {
+        if (keyboard_report->keys[i] == code) {
+            break;
+        }
+        if (empty == -1 && keyboard_report->keys[i] == 0) {
+            empty = i;
+        }
+    }
+    if (i == KEYBOARD_REPORT_KEYS) {
+        if (empty != -1) {
+            keyboard_report->keys[empty] = code;
+        }
+    }
+#endif
+}
+
+void del_key_byte(report_keyboard_t* keyboard_report, uint8_t code)
+{
+#ifdef USB_6KRO_ENABLE
+    uint8_t i = cb_head;
+    if (cb_count) {
+        do {
+            if (keyboard_report->keys[i] == code) {
+                keyboard_report->keys[i] = 0;
+                cb_count--;
+                if (cb_count == 0) {
+                    // reset head and tail
+                    cb_tail = cb_head = 0;
+                }
+                if (i == RO_DEC(cb_tail)) {
+                    // left shift when next to tail
+                    do {
+                        cb_tail = RO_DEC(cb_tail);
+                        if (keyboard_report->keys[RO_DEC(cb_tail)] != 0) {
+                            break;
+                        }
+                    } while (cb_tail != cb_head);
+                }
+                break;
+            }
+            i = RO_INC(i);
+        } while (i != cb_tail);
+    }
+#else
+    for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
+        if (keyboard_report->keys[i] == code) {
+            keyboard_report->keys[i] = 0;
+        }
+    }
+#endif
+}
+
+#ifdef NKRO_ENABLE
+void add_key_bit(report_keyboard_t* keyboard_report, uint8_t code)
+{
+    if ((code>>3) < KEYBOARD_REPORT_BITS) {
+        keyboard_report->nkro.bits[code>>3] |= 1<<(code&7);
+    } else {
+        dprintf("add_key_bit: can't add: %02X\n", code);
+    }
+}
+
+void del_key_bit(report_keyboard_t* keyboard_report, uint8_t code)
+{
+    if ((code>>3) < KEYBOARD_REPORT_BITS) {
+        keyboard_report->nkro.bits[code>>3] &= ~(1<<(code&7));
+    } else {
+        dprintf("del_key_bit: can't del: %02X\n", code);
+    }
+}
+#endif