From 755f0e3a86e41e9e3cb98f36578b3199c6206e59 Mon Sep 17 00:00:00 2001
From: zhangbo <zhangbo@qq.com>
Date: 星期三, 23 四月 2025 11:14:46 +0800
Subject: [PATCH] 蓝牙现在通过PCA9555关闭使能，反初始化串口，拉低PCA中断脚，现在是0.8v

---
 keil/include/drivers/mk_calib.h |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/keil/include/drivers/mk_calib.h b/keil/include/drivers/mk_calib.h
index e6c06f7..9f985fa 100644
--- a/keil/include/drivers/mk_calib.h
+++ b/keil/include/drivers/mk_calib.h
@@ -100,13 +100,21 @@
 void calib_chip(void);
 
 /**
- * @brief Tuning load cap automatically based on frequency offset, this function should be called repeatedly.
+ * @brief Tuning X38M4 load cap automatically based on frequency offset, this function should be called repeatedly.
  *
  * @param[in] ppm           Frequency offset
  */
 void calib_xtal38m4_load_cap_auto_tune(int32_t ppm);
 
 /**
+ * @brief Tuning X38M4 load cap automatically based on frequency offset, this function should be called repeatedly.
+ *
+ * @param[in] ppm               Frequency offset, this value should be based on center frequency, unit is 0.01 ppm
+ * @param[in] calib_load_cap    calibrated load cap value
+ */
+void calib_xtal38m4_load_cap_auto_tune_to_center(int32_t ppm, uint8_t calib_load_cap);
+
+/**
  * @brief Set XTAL 38.4MHz load cap.
  *
  * @param[in] val           Load cap value to be set

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