2 files changed, 16 insertions, 2 deletions
diff --git a/os/hal/templates/i2c_lld.c b/os/hal/templates/i2c_lld.c
index 334088aeb..e41cc3b29 100644
--- a/os/hal/templates/i2c_lld.c
+++ b/os/hal/templates/i2c_lld.c
@@ -81,10 +81,13 @@ void i2c_lld_stop(I2CDriver *i2cp) {
 
 /**
  * @brief   Initiates a master bus transaction.
+ * @details This function sends a start bit followed by an one or two bytes
+ *          header.
  *
  * @param[in] i2cp      pointer to the @p I2CDriver object
+ * @param[in] header    transaction header
  */
-void i2c_lld_master_start(I2CDriver *i2cp) {
+void i2c_lld_master_start(I2CDriver *i2cp, uint16_t header) {
 
 }
 
@@ -98,6 +101,16 @@ void i2c_lld_master_stop(I2CDriver *i2cp) {
 }
 
 /**
+ * @brief   Sends a restart bit.
+ * @details Restart bits are required by some types of I2C transactions.
+ *
+ * @param[in] i2cp      pointer to the @p I2CDriver object
+ */
+void i2c_lld_master_restart(I2CDriver *i2cp) {
+
+}
+
+/**
  * @brief   Master transmission.
  *
  * @param[in] i2cp      pointer to the @p I2CDriver object
diff --git a/os/hal/templates/i2c_lld.h b/os/hal/templates/i2c_lld.h
index 250c827e5..3a2ceb4aa 100644
--- a/os/hal/templates/i2c_lld.h
+++ b/os/hal/templates/i2c_lld.h
@@ -91,8 +91,9 @@ extern "C" {
   void i2c_lld_init(void);
   void i2c_lld_start(I2CDriver *i2cp);
   void i2c_lld_stop(I2CDriver *i2cp);
-  void i2c_lld_master_start(I2CDriver *i2cp);
+  void i2c_lld_master_start(I2CDriver *i2cp, uint16_t header);
   void i2c_lld_master_stop(I2CDriver *i2cp);
+  void i2c_lld_master_restart(I2CDriver *i2cp);
   void i2c_lld_master_transmit(I2CDriver *i2cp, size_t n,
                                const uint8_t *txbuf);
   void i2c_lld_master_receive(I2CDriver *i2cp, size_t n, uint8_t *rxbuf);