2 files changed, 75 insertions, 0 deletions

diff --git a/quantum/digitizer.c b/quantum/digitizer.c
new file mode 100644
index 000000000..e29986742
--- /dev/null
+++ b/quantum/digitizer.c
@@ -0,0 +1,34 @@
+/* Copyright 2021
+ *
+ * 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 "digitizer.h"
+
+digitizer_t digitizerReport = {.tipswitch = 0, .inrange = 0, .id = 0, .x = 0, .y = 0, .status = DZ_INITIALIZED};
+
+__attribute__((weak)) void digitizer_send(void) {
+    if (digitizerReport.status & DZ_UPDATED) {
+        host_digitizer_send(&digitizerReport);
+        digitizerReport.status &= ~DZ_UPDATED;
+    }
+}
+
+__attribute__((weak)) void digitizer_task(void) { digitizer_send(); }
+
+digitizer_t digitizer_get_report(void) { return digitizerReport; }
+
+void digitizer_set_report(digitizer_t newDigitizerReport) {
+    digitizerReport = newDigitizerReport;
+    digitizerReport.status |= DZ_UPDATED;
+}
\ No newline at end of file
diff --git a/quantum/digitizer.h b/quantum/digitizer.h
new file mode 100644
index 000000000..cef551567
--- /dev/null
+++ b/quantum/digitizer.h
@@ -0,0 +1,41 @@
+/* Copyright 2021
+ *
+ * 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/>.
+ */
+#pragma once
+
+#include "quantum.h"
+
+#include <stdint.h>
+
+enum digitizer_status { DZ_INITIALIZED = 1, DZ_UPDATED = 2 };
+
+typedef struct {
+    int8_t  tipswitch;
+    int8_t  inrange;
+    uint8_t id;
+    float   x;
+    float   y;
+    uint8_t status : 2;
+} digitizer_t;
+
+extern digitizer_t digitizer;
+
+digitizer_t digitizer_get_report(void);
+
+void digitizer_set_report(digitizer_t newDigitizerReport);
+
+void digitizer_task(void);
+
+void host_digitizer_send(digitizer_t *digitizer);