Initial commit - sync AliceRC to Gitea

2026-08-03 15:54:25 +08:00
commit 493b7d81d7
1510 changed files with 185319 additions and 0 deletions
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+/**
+ * @file battery.c
+ * @brief Battery monitoring utilities
+ */
+#include "esp_log.h"
+#include "app_main.h"
+
+static const char *TAG = "battery";
+
+/* Battery percentage lookup table (simple linear for now) */
+uint8_t battery_get_percent(uint16_t mv)
+{
+    if (mv >= BAT_FULL_MV) return 100;
+    if (mv <= BAT_EMPTY_MV) return 0;
+    
+    /* Linear interpolation between EMPTY and FULL */
+    return (uint8_t)((mv - BAT_EMPTY_MV) * 100 / (BAT_FULL_MV - BAT_EMPTY_MV));
+}