Default touch map when update from old version

whowechina · Apr 13, 2024 · 92e9345 · 92e9345
1 parent ccf9fd5
commit 92e9345
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diff --git a/Production/firmware/mai_pico.uf2 b/Production/firmware/mai_pico.uf2
diff --git a/firmware/src/config.c b/firmware/src/config.c
@@ -6,6 +6,8 @@
  * Runtime is something to share between files.
  */
 
+#include <string.h>
+
 #include "config.h"
 #include "save.h"
 #include "touch.h"
@@ -47,6 +49,23 @@ static inline bool in_range(int val, int min, int max)
     return (val >= min) && (val <= max);
 }
 
+static bool touch_map_valid()
+{
+    uint64_t mask = 0;
+    for (int i = 0; i < sizeof(mai_cfg->alt.touch); i++) {
+        if (mai_cfg->alt.touch[i] < 34) {
+            mask |= 1ULL << mai_cfg->alt.touch[i];
+        }
+    }
+    int keys = 0;
+    for (int i = 0; i < 34; i++) {
+        if (mask & (1ULL << i)) {
+            keys++;
+        }
+    }
+    return keys > 10; // bad data results in low touch key coverage
+}
+
 static void config_loaded()
 {
     if ((mai_cfg->sense.filter & 0x0f) > 3 ||
@@ -76,6 +95,12 @@ static void config_loaded()
         mai_cfg->rgb = default_cfg.rgb;
         config_changed();
     }
+
+    if (!touch_map_valid()) {
+        memcpy(mai_cfg->alt.touch, default_cfg.alt.touch,
+               sizeof(mai_cfg->alt.touch));
+        config_changed();
+    }
 }
 
 void config_changed()