From a2befb15de94ddee6488080e5e781ee6d12acc48 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Wed, 24 Nov 2021 14:10:05 +0700
Subject: [PATCH] add end() to de-init i2c peripheral

---
 Adafruit_I2CDevice.cpp | 6 ++++++
 Adafruit_I2CDevice.h   | 1 +
 2 files changed, 7 insertions(+)

diff --git a/Adafruit_I2CDevice.cpp b/Adafruit_I2CDevice.cpp
index 9db9095..0e761be 100644
--- a/Adafruit_I2CDevice.cpp
+++ b/Adafruit_I2CDevice.cpp
@@ -35,6 +35,12 @@ bool Adafruit_I2CDevice::begin(bool addr_detect) {
   return true;
 }
 
+void Adafruit_I2CDevice::end(void)
+{
+  _wire->end();
+  _begun = false;
+}
+
 /*!
  *    @brief  Scans I2C for the address - note will give a false-positive
  *    if there's no pullups on I2C
diff --git a/Adafruit_I2CDevice.h b/Adafruit_I2CDevice.h
index 1e27416..5baa6fd 100644
--- a/Adafruit_I2CDevice.h
+++ b/Adafruit_I2CDevice.h
@@ -10,6 +10,7 @@ public:
   Adafruit_I2CDevice(uint8_t addr, TwoWire *theWire = &Wire);
   uint8_t address(void);
   bool begin(bool addr_detect = true);
+  void end(void);
   bool detected(void);
 
   bool read(uint8_t *buffer, size_t len, bool stop = true);