Add data nack error.

git-svn-id: https://src.develer.com/svnoss/bertos/branches/i2c@4088 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/drv/i2c.h b/bertos/drv/i2c.h
index 8d44daacc9c80607b2d937c80905744694b026d2..bfbf8ba052d84b8319ee4b960a1cfb594637b116 100644 (file)
--- a/bertos/drv/i2c.h
+++ b/bertos/drv/i2c.h
@@ -137,6 +137,7 @@ bool i2c_recv(void *_buf, size_t count);
   * I2C error flags
   */
 #define I2C_OK               0     ///< I2C no errors flag
+#define I2C_DATA_NACK     BV(4)    ///< I2C generic error
 #define I2C_ERR           BV(3)    ///< I2C generic error
 #define I2C_ARB_LOST      BV(2)    ///< I2C arbitration lost error
 #define I2C_START_TIMEOUT BV(0)    ///< I2C timeout error on start