git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1539 35acf78f-673a-0410-8e92-d51de3d6d3f4

23 files changed, 421 insertions, 703 deletions

diff --git a/demos/GNU-Linux-GCC/main.c b/demos/GNU-Linux-GCC/main.c
index 113b94de6..8d4dd7d2a 100644
--- a/demos/GNU-Linux-GCC/main.c
+++ b/demos/GNU-Linux-GCC/main.c
@@ -96,7 +96,7 @@ static void termination_handler(eventid_t id) {
     chThdSleepMilliseconds(10);

     cputs("Init: shell on SD1 terminated");

     chSysLock();

-    chOQResetI(&SD1.sd.oqueue);

+    chOQResetI(&SD1.oqueue);

     chSysUnlock();

   }

   if (shelltp2 && chThdTerminated(shelltp2)) {

@@ -105,7 +105,7 @@ static void termination_handler(eventid_t id) {
     chThdSleepMilliseconds(10);

     cputs("Init: shell on SD2 terminated");

     chSysLock();

-    chOQResetI(&SD2.sd.oqueue);

+    chOQResetI(&SD2.oqueue);

     chSysUnlock();

   }

 }

@@ -128,7 +128,7 @@ static void sd1_handler(eventid_t id) {
   if (flags & SD_DISCONNECTED) {

     cputs("Init: disconnection on SD1");

     chSysLock();

-    chIQResetI(&SD1.sd.iqueue);

+    chIQResetI(&SD1.iqueue);

     chSysUnlock();

   }

 }

@@ -151,7 +151,7 @@ static void sd2_handler(eventid_t id) {
   if (flags & SD_DISCONNECTED) {

     cputs("Init: disconnection on SD2");

     chSysLock();

-    chIQResetI(&SD2.sd.iqueue);

+    chIQResetI(&SD2.iqueue);

     chSysUnlock();

   }

 }

@@ -202,10 +202,10 @@ int main(void) {
   cputs("Shell service started on SD1, SD2");

   cputs("  - Listening for connections on SD1");

   (void) sdGetAndClearFlags(&SD1);

-  chEvtRegister(&SD1.sd.sevent, &sd1fel, 1);

+  chEvtRegister(&SD1.sevent, &sd1fel, 1);

   cputs("  - Listening for connections on SD2");

   (void) sdGetAndClearFlags(&SD2);

-  chEvtRegister(&SD2.sd.sevent, &sd2fel, 2);

+  chEvtRegister(&SD2.sevent, &sd2fel, 2);

 

   /*

    * Events servicing loop.
@@ -216,7 +216,7 @@ int main(void) {
   /*

    * Clean simulator exit.
    */

-  chEvtUnregister(&SD1.sd.sevent, &sd1fel);

-  chEvtUnregister(&SD2.sd.sevent, &sd2fel);

+  chEvtUnregister(&SD1.sevent, &sd1fel);

+  chEvtUnregister(&SD2.sevent, &sd2fel);

   return 0;

 }

diff --git a/demos/Win32-MinGW/main.c b/demos/Win32-MinGW/main.c
index 8acfda91d..11123bffb 100644
--- a/demos/Win32-MinGW/main.c
+++ b/demos/Win32-MinGW/main.c
@@ -94,7 +94,7 @@ static void termination_handler(eventid_t id) {
     chThdSleepMilliseconds(10);

     cputs("Init: shell on SD1 terminated");

     chSysLock();

-    chOQResetI(&SD1.sd.oqueue);

+    chOQResetI(&SD1.oqueue);

     chSysUnlock();

   }

   if (shelltp2 && chThdTerminated(shelltp2)) {

@@ -103,7 +103,7 @@ static void termination_handler(eventid_t id) {
     chThdSleepMilliseconds(10);

     cputs("Init: shell on SD2 terminated");

     chSysLock();

-    chOQResetI(&SD2.sd.oqueue);

+    chOQResetI(&SD2.oqueue);

     chSysUnlock();

   }

 }

@@ -125,7 +125,7 @@ static void sd1_handler(eventid_t id) {
   if (flags & SD_DISCONNECTED) {

     cputs("Init: disconnection on SD1");

     chSysLock();

-    chIQResetI(&SD1.sd.iqueue);

+    chIQResetI(&SD1.iqueue);

     chSysUnlock();

   }

 }

@@ -147,7 +147,7 @@ static void sd2_handler(eventid_t id) {
   if (flags & SD_DISCONNECTED) {

     cputs("Init: disconnection on SD2");

     chSysLock();

-    chIQResetI(&SD2.sd.iqueue);

+    chIQResetI(&SD2.iqueue);

     chSysUnlock();

   }

 }

@@ -198,10 +198,10 @@ int main(void) {
   cputs("Shell service started on SD1, SD2");

   cputs("  - Listening for connections on SD1");

   (void) sdGetAndClearFlags(&SD1);

-  chEvtRegister(&SD1.sd.sevent, &sd1fel, 1);

+  chEvtRegister(&SD1.sevent, &sd1fel, 1);

   cputs("  - Listening for connections on SD2");

   (void) sdGetAndClearFlags(&SD2);

-  chEvtRegister(&SD2.sd.sevent, &sd2fel, 2);

+  chEvtRegister(&SD2.sevent, &sd2fel, 2);

 

   /*

    * Events servicing loop.
@@ -212,7 +212,7 @@ int main(void) {
   /*

    * Clean simulator exit.
    */

-  chEvtUnregister(&SD1.sd.sevent, &sd1fel);

-  chEvtUnregister(&SD2.sd.sevent, &sd2fel);

+  chEvtUnregister(&SD1.sevent, &sd1fel);

+  chEvtUnregister(&SD2.sevent, &sd2fel);

   return 0;

 }

diff --git a/os/hal/include/serial.h b/os/hal/include/serial.h
index a2d75713e..15593b681 100644
--- a/os/hal/include/serial.h
+++ b/os/hal/include/serial.h
@@ -104,29 +104,14 @@ typedef struct _SerialDriver SerialDriver;
 /**

  * @brief @p SerialDriver specific methods.

  */

-struct _serial_driver_methods {

-};

+#define _serial_driver_methods                                              \

+  _base_asynchronous_channel_methods

 

 /**

  * @brief @p SerialDriver virtual methods table.

  */

 struct SerialDriverVMT {

-  /**

-   * @p BaseSequentialStream class inherited methods.

-   */

-  struct _base_sequental_stream_methods bss;

-  /**

-   * @p BaseChannel class inherited methods.

-   */

-  struct _base_channel_methods bc;

-  /**

-   * @p BaseAsynchronousChannel class inherited methods.

-   */

-  struct _base_asynchronous_channel_methods bac;

-  /**

-   * @p SerialDriver specific methods.

-   */

-  struct _serial_driver_methods sd;

+  _serial_driver_methods;

 };

 

 /**

@@ -141,22 +126,7 @@ struct _SerialDriver {
    * Virtual Methods Table.

    */

   const struct SerialDriverVMT *vmt;

-  /**

-   * @p BaseSequentialStream class inherited data.

-   */

-  struct _base_sequental_stream_data bss;

-  /**

-   * @p BaseChannel class inherited data.

-   */

-  struct _base_channel_data bc;

-  /**

-   * @p BaseAsynchronousChannel class inherited data.

-   */

-  struct _base_asynchronous_channel_data bac;

-  /**

-   * @p SerialDriver specific data.

-   */

-  struct _serial_driver_data sd;

+  _serial_driver_data;

 };

 

 /*===========================================================================*/

@@ -170,7 +140,7 @@ struct _SerialDriver {
  *          be used to check different channels implementations.

  * @see chIOPutWouldBlock()

  */

-#define sdPutWouldBlock(sdp) chOQIsFull(&(sdp)->sd.oqueue)

+#define sdPutWouldBlock(sdp) chOQIsFull(&(sdp)->oqueue)

 

 /**

  * @brief Direct input check on a @p SerialDriver.

@@ -179,7 +149,7 @@ struct _SerialDriver {
  *          be used to check different channels implementations.

  * @see chIOGetWouldBlock()

  */

-#define sdGetWouldBlock(sdp) chIQIsEmpty(&(sdp)->sd.iqueue)

+#define sdGetWouldBlock(sdp) chIQIsEmpty(&(sdp)->iqueue)

 

 /**

  * @brief Direct write to a @p SerialDriver.

@@ -188,7 +158,7 @@ struct _SerialDriver {
  *          be used to write to different channels implementations.

  * @see chIOPut()

  */

-#define sdPut(sdp, b) chOQPut(&(sdp)->sd.oqueue, b)

+#define sdPut(sdp, b) chOQPut(&(sdp)->oqueue, b)

 

 /**

  * @brief Direct write to a @p SerialDriver with timeout specification.

@@ -197,7 +167,7 @@ struct _SerialDriver {
  *          be used to write to different channels implementations.

  * @see chIOPutTimeout()

  */

-#define sdPutTimeout(sdp, b, t) chOQPutTimeout(&(sdp)->sd.iqueue, b, t)

+#define sdPutTimeout(sdp, b, t) chOQPutTimeout(&(sdp)->iqueue, b, t)

 

 /**

  * @brief Direct read from a @p SerialDriver.

@@ -206,7 +176,7 @@ struct _SerialDriver {
  *          be used to read from different channels implementations.

  * @see chIOGet()

  */

-#define sdGet(sdp) chIQGet(&(sdp)->sd.iqueue)

+#define sdGet(sdp) chIQGet(&(sdp)->iqueue)

 

 /**

  * @brief Direct read from a @p SerialDriver with timeout specification.

@@ -215,7 +185,7 @@ struct _SerialDriver {
  *          be used to read from different channels implementations.

  * @see chIOGetTimeout()

  */

-#define sdGetTimeout(sdp, t) chIQGetTimeout(&(sdp)->sd.iqueue, t)

+#define sdGetTimeout(sdp, t) chIQGetTimeout(&(sdp)->iqueue, t)

 

 /**

  * @brief Direct blocking write to a @p SerialDriver.

@@ -225,7 +195,7 @@ struct _SerialDriver {
  * @see chIOWriteTimeout()

  */

 #define sdWrite(sdp, b, n)                                                  \

-  chOQWriteTimeout(&(sdp)->sd.oqueue, b, n, TIME_INFINITE)

+  chOQWriteTimeout(&(sdp)->oqueue, b, n, TIME_INFINITE)

 

 /**

  * @brief Direct blocking write to a @p SerialDriver with timeout

@@ -236,7 +206,7 @@ struct _SerialDriver {
  * @see chIOWriteTimeout()

  */

 #define sdWriteTimeout(sdp, b, n, t)                                        \

-  chOQWriteTimeout(&(sdp)->sd.oqueue, b, n, t)

+  chOQWriteTimeout(&(sdp)->oqueue, b, n, t)

 

 /**

  * @brief Direct non-blocking write to a @p SerialDriver.

@@ -246,7 +216,7 @@ struct _SerialDriver {
  * @see chIOWriteTimeout()

  */

 #define sdAsynchronousWrite(sdp, b, n)                                      \

-  chOQWriteTimeout(&(sdp)->sd.oqueue, b, n, TIME_IMMEDIATE)

+  chOQWriteTimeout(&(sdp)->oqueue, b, n, TIME_IMMEDIATE)

 

 /**

  * @brief Direct blocking read from a @p SerialDriver.

@@ -256,7 +226,7 @@ struct _SerialDriver {
  * @see chIOReadTimeout()

  */

 #define sdRead(sdp, b, n)                                                   \

-  chIQReadTimeout(&(sdp)->sd.iqueue, b, n, TIME_INFINITE)

+  chIQReadTimeout(&(sdp)->iqueue, b, n, TIME_INFINITE)

 

 /**

  * @brief Direct blocking read from a @p SerialDriver with timeout

@@ -267,7 +237,7 @@ struct _SerialDriver {
  * @see chIOReadTimeout()

  */

 #define sdReadTimeout(sdp, b, n, t)                                         \

-  chIQReadTimeout(&(sdp)->sd.iqueue, b, n, t)

+  chIQReadTimeout(&(sdp)->iqueue, b, n, t)

 

 /**

  * @brief Direct non-blocking read from a @p SerialDriver.

@@ -277,7 +247,7 @@ struct _SerialDriver {
  * @see chIOReadTimeout()

  */

 #define sdAsynchronousRead(sdp, b, n)                                       \

-  chIQReadTimeout(&(sdp)->sd.iqueue, b, n, TIME_IMMEDIATE)

+  chIQReadTimeout(&(sdp)->iqueue, b, n, TIME_IMMEDIATE)

 

 /**

  * @brief Returns the status change event source.

@@ -288,7 +258,7 @@ struct _SerialDriver {
  * @param[in] ip pointer to a @p SerialDriver object

  * @return A pointer to an @p EventSource object.

  */

-#define sdGetStatusChangeEventSource(ip) (&((ip)->vmt->sd.sevent))

+#define sdGetStatusChangeEventSource(ip) (&((ip)->vmt->sevent))

 

 /*===========================================================================*/

 /* External declarations.                                                    */

diff --git a/os/hal/platforms/AT91SAM7/serial_lld.c b/os/hal/platforms/AT91SAM7/serial_lld.c
index b781b2115..64acb809d 100644
--- a/os/hal/platforms/AT91SAM7/serial_lld.c
+++ b/os/hal/platforms/AT91SAM7/serial_lld.c
@@ -82,18 +82,18 @@ static const SerialConfig default_config = {
  * @param[in] sdp communication channel associated to the USART

  */

 static void usart_init(SerialDriver *sdp) {

-  AT91PS_USART u = sdp->sd.usart;

+  AT91PS_USART u = sdp->usart;

 

   /* Disables IRQ sources and stop operations.*/

   u->US_IDR = 0xFFFFFFFF;

   u->US_CR = AT91C_US_RSTRX | AT91C_US_RSTTX | AT91C_US_RSTSTA;

 

   /* New parameters setup.*/

-  if (sdp->sd.config->sc_mr & AT91C_US_OVER)

-    u->US_BRGR = MCK / (sdp->sd.config->sc_speed * 8);

+  if (sdp->config->sc_mr & AT91C_US_OVER)

+    u->US_BRGR = MCK / (sdp->config->sc_speed * 8);

   else

-    u->US_BRGR = MCK / (sdp->sd.config->sc_speed * 16);

-  u->US_MR = sdp->sd.config->sc_mr;

+    u->US_BRGR = MCK / (sdp->config->sc_speed * 16);

+  u->US_MR = sdp->config->sc_mr;

   u->US_RTOR = 0;

   u->US_TTGR = 0;

 

@@ -148,7 +148,7 @@ __attribute__((noinline))
  */

 static void serve_interrupt(SerialDriver *sdp) {

   uint32_t csr;

-  AT91PS_USART u = sdp->sd.usart;

+  AT91PS_USART u = sdp->usart;

 

   csr = u->US_CSR;

   if (csr & AT91C_US_RXRDY) {

@@ -160,9 +160,9 @@ static void serve_interrupt(SerialDriver *sdp) {
     msg_t b;

 

     chSysLockFromIsr();

-    b = chOQGetI(&sdp->sd.oqueue);

+    b = chOQGetI(&sdp->oqueue);

     if (b < Q_OK) {

-      chEvtBroadcastI(&sdp->bac.oevent);

+      chEvtBroadcastI(&sdp->oevent);

       u->US_IDR = AT91C_US_TXRDY;

     }

     else

@@ -228,7 +228,7 @@ void sd_lld_init(void) {
 

 #if USE_SAM7_USART0

   sdObjectInit(&SD1, NULL, notify1);

-  SD1.sd.usart = AT91C_BASE_US0;

+  SD1.usart = AT91C_BASE_US0;

   AT91C_BASE_PIOA->PIO_PDR   = SAM7_USART0_RX | SAM7_USART0_TX;

   AT91C_BASE_PIOA->PIO_ASR   = SAM7_USART0_RX | SAM7_USART0_TX;

   AT91C_BASE_PIOA->PIO_PPUDR = SAM7_USART0_RX | SAM7_USART0_TX;

@@ -239,7 +239,7 @@ void sd_lld_init(void) {
 

 #if USE_SAM7_USART1

   sdObjectInit(&SD2, NULL, notify2);

-  SD2.sd.usart = AT91C_BASE_US1;

+  SD2.usart = AT91C_BASE_US1;

   AT91C_BASE_PIOA->PIO_PDR   = SAM7_USART1_RX | SAM7_USART1_TX;

   AT91C_BASE_PIOA->PIO_ASR   = SAM7_USART1_RX | SAM7_USART1_TX;

   AT91C_BASE_PIOA->PIO_PPUDR = SAM7_USART1_RX | SAM7_USART1_TX;

@@ -256,10 +256,10 @@ void sd_lld_init(void) {
  */

 void sd_lld_start(SerialDriver *sdp) {

 

-  if (sdp->sd.config == NULL)

-    sdp->sd.config = &default_config;

+  if (sdp->config == NULL)

+    sdp->config = &default_config;

 

-  if (sdp->sd.state == SD_STOP) {

+  if (sdp->state == SD_STOP) {

 #if USE_SAM7_USART0

     if (&SD1 == sdp) {

       /* Starts the clock and clears possible sources of immediate interrupts.*/

@@ -289,8 +289,8 @@ void sd_lld_start(SerialDriver *sdp) {
  */

 void sd_lld_stop(SerialDriver *sdp) {

 

-  if (sdp->sd.state == SD_READY) {

-    usart_deinit(sdp->sd.usart);

+  if (sdp->state == SD_READY) {

+    usart_deinit(sdp->usart);

 #if USE_SAM7_USART0

     if (&SD1 == sdp) {

       AT91C_BASE_PMC->PMC_PCDR = (1 << AT91C_ID_US0);

diff --git a/os/hal/platforms/AT91SAM7/serial_lld.h b/os/hal/platforms/AT91SAM7/serial_lld.h
index 3b7b009ab..a3030e246 100644
--- a/os/hal/platforms/AT91SAM7/serial_lld.h
+++ b/os/hal/platforms/AT91SAM7/serial_lld.h
@@ -101,48 +101,27 @@ typedef struct {
 /**

  * @brief @p SerialDriver specific data.

  */

-struct _serial_driver_data {

-  /**

-   * @brief Driver state.

-   */

-  sdstate_t                 state;

-  /**

-   * @brief Current configuration data.

-   */

-  const SerialConfig        *config;

-  /**

-   * @brief Input queue, incoming data can be read from this input queue by

-   *        using the queues APIs.

-   */

-  InputQueue                iqueue;

-  /**

-   * @brief Output queue, outgoing data can be written to this output queue by

-   *        using the queues APIs.

-   */

-  OutputQueue               oqueue;

-  /**

-   * @brief Status Change @p EventSource. This event is generated when one or

-   *        more condition flags change.

-   */

-  EventSource               sevent;

-  /**

-   * @brief I/O driver status flags.

-   */

-  sdflags_t                 flags;

-  /**

-   * @brief Input circular buffer.

-   */

-  uint8_t                   ib[SERIAL_BUFFERS_SIZE];

-  /**

-   * @brief Output circular buffer.

-   */

-  uint8_t                   ob[SERIAL_BUFFERS_SIZE];

-  /* End of the mandatory fields.*/

-  /**

-   * @brief Pointer to the USART registers block.

-   */

-  AT91PS_USART              usart;

-};

+#define _serial_driver_data                                                 \

+  _base_asynchronous_channel_data;                                          \

+  /* Driver state.*/                                                        \

+  sdstate_t                 state;                                          \

+  /* Current configuration data.*/                                          \

+  const SerialConfig        *config;                                        \

+  /* Input queue.*/                                                         \

+  InputQueue                iqueue;                                         \

+  /* Output queue.*/                                                        \

+  OutputQueue               oqueue;                                         \

+  /* Status Change @p EventSource.*/                                        \

+  EventSource               sevent;                                         \

+  /* I/O driver status flags.*/                                             \

+  sdflags_t                 flags;                                          \

+  /* Input circular buffer.*/                                               \

+  uint8_t                   ib[SERIAL_BUFFERS_SIZE];                        \

+  /* Output circular buffer.*/                                              \

+  uint8_t                   ob[SERIAL_BUFFERS_SIZE];                        \

+  /* End of the mandatory fields.*/                                         \

+  /* Pointer to the USART registers block.*/                                \

+  AT91PS_USART              usart

 

 /*===========================================================================*/

 /* Driver macros.                                                            */

diff --git a/os/hal/platforms/AVR/serial_lld.c b/os/hal/platforms/AVR/serial_lld.c
index 53aec65d6..008b1176d 100644
--- a/os/hal/platforms/AVR/serial_lld.c
+++ b/os/hal/platforms/AVR/serial_lld.c
@@ -235,18 +235,18 @@ void sd_lld_init(void) {
  */

 void sd_lld_start(SerialDriver *sdp) {

 

-  if (sdp->sd.config == NULL)

-    sdp->sd.config = &default_config;

+  if (sdp->config == NULL)

+    sdp->config = &default_config;

 

 #if USE_AVR_USART0

   if (&SD1 == sdp) {

-    usart0_init(sdp->sd.config);

+    usart0_init(sdp->config);

     return;

   }

 #endif

 #if USE_AVR_USART1

   if (&SD2 == sdp) {

-    usart1_init(sdp->sd.config);

+    usart1_init(sdp->config);

     return;

   }

 #endif

diff --git a/os/hal/platforms/AVR/serial_lld.h b/os/hal/platforms/AVR/serial_lld.h
index 1d06b6d79..4abadf018 100644
--- a/os/hal/platforms/AVR/serial_lld.h
+++ b/os/hal/platforms/AVR/serial_lld.h
@@ -87,44 +87,25 @@ typedef struct {
 /**

  * @brief @p SerialDriver specific data.

  */

-struct _serial_driver_data {

-  /**

-   * @brief Driver state.

-   */

-  sdstate_t                 state;

-  /**

-   * @brief Current configuration data.

-   */

-  const SerialConfig        *config;

-  /**

-   * @brief Input queue, incoming data can be read from this input queue by

-   *        using the queues APIs.

-   */

-  InputQueue                iqueue;

-  /**

-   * @brief Output queue, outgoing data can be written to this output queue by

-   *        using the queues APIs.

-   */

-  OutputQueue               oqueue;

-  /**

-   * @brief Status Change @p EventSource. This event is generated when one or

-   *        more condition flags change.

-   */

-  EventSource               sevent;

-  /**

-   * @brief I/O driver status flags.

-   */

-  sdflags_t                 flags;

-  /**

-   * @brief Input circular buffer.

-   */

-  uint8_t                   ib[SERIAL_BUFFERS_SIZE];

-  /**

-   * @brief Output circular buffer.

-   */

-  uint8_t                   ob[SERIAL_BUFFERS_SIZE];

+#define _serial_driver_data                                                 \

+  _base_asynchronous_channel_data;                                          \

+  /* Driver state.*/                                                        \

+  sdstate_t                 state;                                          \

+  /* Current configuration data.*/                                          \

+  const SerialConfig        *config;                                        \

+  /* Input queue.*/                                                         \

+  InputQueue                iqueue;                                         \

+  /* Output queue.*/                                                        \

+  OutputQueue               oqueue;                                         \

+  /* Status Change @p EventSource.*/                                        \

+  EventSource               sevent;                                         \

+  /* I/O driver status flags.*/                                             \

+  sdflags_t                 flags;                                          \

+  /* Input circular buffer.*/                                               \

+  uint8_t                   ib[SERIAL_BUFFERS_SIZE];                        \

+  /* Output circular buffer.*/                                              \

+  uint8_t                   ob[SERIAL_BUFFERS_SIZE];                        \

   /* End of the mandatory fields.*/

-};

 

 /*===========================================================================*/

 /* Driver macros.                                                            */

diff --git a/os/hal/platforms/LPC214x/serial_lld.c b/os/hal/platforms/LPC214x/serial_lld.c
index 9c76d8e7f..b44e5eaf9 100644
--- a/os/hal/platforms/LPC214x/serial_lld.c
+++ b/os/hal/platforms/LPC214x/serial_lld.c
@@ -64,14 +64,14 @@ static const SerialConfig default_config = {
  * @param[in] sdp communication channel associated to the UART

  */

 static void uart_init(SerialDriver *sdp) {

-  UART *u = sdp->sd.uart;

+  UART *u = sdp->uart;

 

-  uint32_t div = PCLK / (sdp->sd.config->sc_speed << 4);

-  u->UART_LCR = sdp->sd.config->sc_lcr | LCR_DLAB;

+  uint32_t div = PCLK / (sdp->config->sc_speed << 4);

+  u->UART_LCR = sdp->config->sc_lcr | LCR_DLAB;

   u->UART_DLL = div;

   u->UART_DLM = div >> 8;

-  u->UART_LCR = sdp->sd.config->sc_lcr;

-  u->UART_FCR = FCR_ENABLE | FCR_RXRESET | FCR_TXRESET | sdp->sd.config->sc_fcr;

+  u->UART_LCR = sdp->config->sc_lcr;

+  u->UART_FCR = FCR_ENABLE | FCR_RXRESET | FCR_TXRESET | sdp->config->sc_fcr;

   u->UART_ACR = 0;

   u->UART_FDR = 0x10;

   u->UART_TER = TER_ENABLE;

@@ -128,7 +128,7 @@ __attribute__((noinline))
  *       go through the whole ISR and have another interrupt soon after.

  */

 static void serve_interrupt(SerialDriver *sdp) {

-  UART *u = sdp->sd.uart;

+  UART *u = sdp->uart;

 

   while (TRUE) {

     switch (u->UART_IIR & IIR_SRC_MASK) {

@@ -140,12 +140,12 @@ static void serve_interrupt(SerialDriver *sdp) {
     case IIR_SRC_TIMEOUT:

     case IIR_SRC_RX:

       chSysLockFromIsr();

-      if (chIQIsEmpty(&sdp->sd.iqueue))

-        chEvtBroadcastI(&sdp->bac.ievent);

+      if (chIQIsEmpty(&sdp->iqueue))

+        chEvtBroadcastI(&sdp->ievent);

       chSysUnlockFromIsr();

       while (u->UART_LSR & LSR_RBR_FULL) {

         chSysLockFromIsr();

-        if (chIQPutI(&sdp->sd.iqueue, u->UART_RBR) < Q_OK)

+        if (chIQPutI(&sdp->iqueue, u->UART_RBR) < Q_OK)

            sdAddFlagsI(sdp, SD_OVERRUN_ERROR);

         chSysUnlockFromIsr();

       }

@@ -157,12 +157,12 @@ static void serve_interrupt(SerialDriver *sdp) {
           msg_t b;

 

           chSysLockFromIsr();

-          b = chOQGetI(&sdp->sd.oqueue);

+          b = chOQGetI(&sdp->oqueue);

           chSysUnlockFromIsr();

           if (b < Q_OK) {

             u->UART_IER &= ~IER_THRE;

             chSysLockFromIsr();

-            chEvtBroadcastI(&sdp->bac.oevent);

+            chEvtBroadcastI(&sdp->oevent);

             chSysUnlockFromIsr();

             break;

           }

@@ -181,14 +181,14 @@ static void serve_interrupt(SerialDriver *sdp) {
  * @brief Attempts a TX FIFO preload.
  */

 static void preload(SerialDriver *sdp) {

-  UART *u = sdp->sd.uart;

+  UART *u = sdp->uart;

 

   if (u->UART_LSR & LSR_THRE) {

     int i = LPC214x_UART_FIFO_PRELOAD;

     do {

-      msg_t b = chOQGetI(&sdp->sd.oqueue);

+      msg_t b = chOQGetI(&sdp->oqueue);

       if (b < Q_OK) {

-        chEvtBroadcastI(&sdp->bac.oevent);

+        chEvtBroadcastI(&sdp->oevent);

         return;

       }

       u->UART_THR = b;

@@ -265,12 +265,12 @@ void sd_lld_init(void) {
 

 #if USE_LPC214x_UART0

   sdObjectInit(&SD1, NULL, notify1);

-  SD1.sd.uart = U0Base;

+  SD1.uart = U0Base;

   SetVICVector(UART0IrqHandler, LPC214x_UART1_PRIORITY, SOURCE_UART0);

 #endif

 #if USE_LPC214x_UART1

   sdObjectInit(&SD2, NULL, notify2);

-  SD2.sd.uart = U1Base;

+  SD2.uart = U1Base;

   SetVICVector(UART1IrqHandler, LPC214x_UART2_PRIORITY, SOURCE_UART1);

 #endif

 }

@@ -282,10 +282,10 @@ void sd_lld_init(void) {
  */

 void sd_lld_start(SerialDriver *sdp) {

 

-  if (sdp->sd.config == NULL)

-    sdp->sd.config = &default_config;

+  if (sdp->config == NULL)

+    sdp->config = &default_config;

 

-  if (sdp->sd.state == SD_STOP) {

+  if (sdp->state == SD_STOP) {

 #if USE_LPC214x_UART1

     if (&SD1 == sdp) {

       PCONP = (PCONP & PCALL) | PCUART0;

@@ -311,8 +311,8 @@ void sd_lld_start(SerialDriver *sdp) {
  */

 void sd_lld_stop(SerialDriver *sdp) {

 

-  if (sdp->sd.state == SD_READY) {

-    uart_deinit(sdp->sd.uart);

+  if (sdp->state == SD_READY) {

+    uart_deinit(sdp->uart);

 #if USE_LPC214x_UART1

     if (&SD1 == sdp) {

       PCONP = (PCONP & PCALL) & ~PCUART0;

diff --git a/os/hal/platforms/LPC214x/serial_lld.h b/os/hal/platforms/LPC214x/serial_lld.h
index 67e7e27d0..974a9849a 100644
--- a/os/hal/platforms/LPC214x/serial_lld.h
+++ b/os/hal/platforms/LPC214x/serial_lld.h
@@ -122,48 +122,27 @@ typedef struct {
 /**

  * @brief @p SerialDriver specific data.

  */

-struct _serial_driver_data {

-  /**

-   * @brief Driver state.

-   */

-  sdstate_t                 state;

-  /**

-   * @brief Current configuration data.

-   */

-  const SerialConfig        *config;

-  /**

-   * @brief Input queue, incoming data can be read from this input queue by

-   *        using the queues APIs.

-   */

-  InputQueue                iqueue;

-  /**

-   * @brief Output queue, outgoing data can be written to this output queue by

-   *        using the queues APIs.

-   */

-  OutputQueue               oqueue;

-  /**

-   * @brief Status Change @p EventSource. This event is generated when one or

-   *        more condition flags change.

-   */

-  EventSource               sevent;

-  /**

-   * @brief I/O driver status flags.

-   */

-  sdflags_t                 flags;

-  /**

-   * @brief Input circular buffer.

-   */

-  uint8_t                   ib[SERIAL_BUFFERS_SIZE];

-  /**

-   * @brief Output circular buffer.

-   */

-  uint8_t                   ob[SERIAL_BUFFERS_SIZE];

-  /* End of the mandatory fields.*/

-  /**

-   * @brief Pointer to the USART registers block.

-   */

-  UART                      *uart;

-};

+#define _serial_driver_data                                                 \

+  _base_asynchronous_channel_data;                                          \

+  /* Driver state.*/                                                        \

+  sdstate_t                 state;                                          \

+  /* Current configuration data.*/                                          \

+  const SerialConfig        *config;                                        \

+  /* Input queue.*/                                                         \

+  InputQueue                iqueue;                                         \

+  /* Output queue.*/                                                        \

+  OutputQueue               oqueue;                                         \

+  /* Status Change @p EventSource.*/                                        \

+  EventSource               sevent;                                         \

+  /* I/O driver status flags.*/                                             \

+  sdflags_t                 flags;                                          \

+  /* Input circular buffer.*/                                               \

+  uint8_t                   ib[SERIAL_BUFFERS_SIZE];                        \

+  /* Output circular buffer.*/                                              \

+  uint8_t                   ob[SERIAL_BUFFERS_SIZE];                        \

+  /* End of the mandatory fields.*/                                         \

+  /* Pointer to the USART registers block.*/                                \

+  UART                      *uart

 

 /*===========================================================================*/

 /* Driver macros.                                                            */

diff --git a/os/hal/platforms/Linux/serial_lld.c b/os/hal/platforms/Linux/serial_lld.c
index a5cfe8a3d..c80c59d1b 100644
--- a/os/hal/platforms/Linux/serial_lld.c
+++ b/os/hal/platforms/Linux/serial_lld.c
@@ -68,18 +68,18 @@ static void init(SerialDriver *sdp, uint16_t port) {
   struct protoent *prtp;

 

   if ((prtp = getprotobyname("tcp")) == NULL) {

-    printf("%s: Error mapping protocol name to protocol number\n", sdp->sd.com_name);

+    printf("%s: Error mapping protocol name to protocol number\n", sdp->com_name);

     goto abort;

   }

 

-  sdp->sd.com_listen = socket(PF_INET, SOCK_STREAM, prtp->p_proto);

-  if (sdp->sd.com_listen == INVALID_SOCKET) {

-    printf("%s: Error creating simulator socket\n", sdp->sd.com_name);

+  sdp->com_listen = socket(PF_INET, SOCK_STREAM, prtp->p_proto);

+  if (sdp->com_listen == INVALID_SOCKET) {

+    printf("%s: Error creating simulator socket\n", sdp->com_name);

     goto abort;

   }

 

-  if (ioctl(sdp->sd.com_listen, FIONBIO, &nb) != 0) {

-    printf("%s: Unable to setup non blocking mode on socket\n", sdp->sd.com_name);

+  if (ioctl(sdp->com_listen, FIONBIO, &nb) != 0) {

+    printf("%s: Unable to setup non blocking mode on socket\n", sdp->com_name);

     goto abort;

   }

 

@@ -87,35 +87,35 @@ static void init(SerialDriver *sdp, uint16_t port) {
   sad.sin_family = AF_INET;

   sad.sin_addr.s_addr = INADDR_ANY;

   sad.sin_port = htons(port);

-  if (bind(sdp->sd.com_listen, (struct sockaddr *)&sad, sizeof(sad))) {

-    printf("%s: Error binding socket\n", sdp->sd.com_name);

+  if (bind(sdp->com_listen, (struct sockaddr *)&sad, sizeof(sad))) {

+    printf("%s: Error binding socket\n", sdp->com_name);

     goto abort;

   }

 

-  if (listen(sdp->sd.com_listen, 1) != 0) {

-    printf("%s: Error listening socket\n", sdp->sd.com_name);

+  if (listen(sdp->com_listen, 1) != 0) {

+    printf("%s: Error listening socket\n", sdp->com_name);

     goto abort;

   }

-  printf("Full Duplex Channel %s listening on port %d\n", sdp->sd.com_name, port);

+  printf("Full Duplex Channel %s listening on port %d\n", sdp->com_name, port);

   return;

 

 abort:

-  if (sdp->sd.com_listen != INVALID_SOCKET)

-    close(sdp->sd.com_listen);

+  if (sdp->com_listen != INVALID_SOCKET)

+    close(sdp->com_listen);

   exit(1);

 }

 

 static bool_t connint(SerialDriver *sdp) {

 

-  if (sdp->sd.com_data == INVALID_SOCKET) {

+  if (sdp->com_data == INVALID_SOCKET) {

     struct sockaddr addr;

     socklen_t addrlen = sizeof(addr);

 

-    if ((sdp->sd.com_data = accept(sdp->sd.com_listen, &addr, &addrlen)) == INVALID_SOCKET)

+    if ((sdp->com_data = accept(sdp->com_listen, &addr, &addrlen)) == INVALID_SOCKET)

       return FALSE;

 

-    if (ioctl(sdp->sd.com_data, FIONBIO, &nb) != 0) {

-      printf("%s: Unable to setup non blocking mode on data socket\n", sdp->sd.com_name);

+    if (ioctl(sdp->com_data, FIONBIO, &nb) != 0) {

+      printf("%s: Unable to setup non blocking mode on data socket\n", sdp->com_name);

       goto abort;

     }

     sdAddFlagsI(sdp, SD_CONNECTED);

@@ -123,34 +123,34 @@ static bool_t connint(SerialDriver *sdp) {
   }

   return FALSE;

 abort:

-  if (sdp->sd.com_listen != INVALID_SOCKET)

-    close(sdp->sd.com_listen);

-  if (sdp->sd.com_data != INVALID_SOCKET)

-    close(sdp->sd.com_data);

+  if (sdp->com_listen != INVALID_SOCKET)

+    close(sdp->com_listen);

+  if (sdp->com_data != INVALID_SOCKET)

+    close(sdp->com_data);

   exit(1);

 }

 

 static bool_t inint(SerialDriver *sdp) {

 

-  if (sdp->sd.com_data != INVALID_SOCKET) {

+  if (sdp->com_data != INVALID_SOCKET) {

     int i;

     uint8_t data[32];

 

     /*

      * Input.

      */

-    int n = recv(sdp->sd.com_data, data, sizeof(data), 0);

+    int n = recv(sdp->com_data, data, sizeof(data), 0);

     switch (n) {

     case 0:

-      close(sdp->sd.com_data);

-      sdp->sd.com_data = INVALID_SOCKET;

+      close(sdp->com_data);

+      sdp->com_data = INVALID_SOCKET;

       sdAddFlagsI(sdp, SD_DISCONNECTED);

       return FALSE;

     case INVALID_SOCKET:

       if (errno == EWOULDBLOCK)

         return FALSE;

-      close(sdp->sd.com_data);

-      sdp->sd.com_data = INVALID_SOCKET;

+      close(sdp->com_data);

+      sdp->com_data = INVALID_SOCKET;

       return FALSE;

     }

     for (i = 0; i < n; i++)

@@ -162,7 +162,7 @@ static bool_t inint(SerialDriver *sdp) {
 

 static bool_t outint(SerialDriver *sdp) {

 

-  if (sdp->sd.com_data != INVALID_SOCKET) {

+  if (sdp->com_data != INVALID_SOCKET) {

     int n;

     uint8_t data[1];

 

@@ -173,18 +173,18 @@ static bool_t outint(SerialDriver *sdp) {
     if (n < 0)

       return FALSE;

     data[0] = (uint8_t)n;

-    n = send(sdp->sd.com_data, data, sizeof(data), 0);

+    n = send(sdp->com_data, data, sizeof(data), 0);

     switch (n) {

     case 0:

-      close(sdp->sd.com_data);

-      sdp->sd.com_data = INVALID_SOCKET;

+      close(sdp->com_data);

+      sdp->com_data = INVALID_SOCKET;

       sdAddFlagsI(sdp, SD_DISCONNECTED);

       return FALSE;

     case INVALID_SOCKET:

       if (errno == EWOULDBLOCK)

         return FALSE;

-      close(sdp->sd.com_data);

-      sdp->sd.com_data = INVALID_SOCKET;

+      close(sdp->com_data);

+      sdp->com_data = INVALID_SOCKET;

       return FALSE;

     }

     return TRUE;

@@ -207,16 +207,16 @@ void sd_lld_init(void) {
 

 #if USE_SIM_SERIAL1

   sdObjectInit(&SD1, NULL, NULL);

-  SD1.sd.com_listen = INVALID_SOCKET;

-  SD1.sd.com_data = INVALID_SOCKET;

-  SD1.sd.com_name = "SD1";

+  SD1.com_listen = INVALID_SOCKET;

+  SD1.com_data = INVALID_SOCKET;

+  SD1.com_name = "SD1";

 #endif

 

 #if USE_SIM_SERIAL2

   sdObjectInit(&SD2, NULL, NULL);

-  SD2.sd.com_listen = INVALID_SOCKET;

-  SD2.sd.com_data = INVALID_SOCKET;

-  SD2.sd.com_name = "SD2";

+  SD2.com_listen = INVALID_SOCKET;

+  SD2.com_data = INVALID_SOCKET;

+  SD2.com_name = "SD2";

 #endif

 }

 

@@ -227,8 +227,8 @@ void sd_lld_init(void) {
  */

 void sd_lld_start(SerialDriver *sdp) {

 

-  if (sdp->sd.config == NULL)

-    sdp->sd.config = &default_config;

+  if (sdp->config == NULL)

+    sdp->config = &default_config;

 

 #if USE_SIM_SERIAL1

   if (sdp == &SD1)

diff --git a/os/hal/platforms/Linux/serial_lld.h b/os/hal/platforms/Linux/serial_lld.h
index 5950472b4..1a246196f 100644
--- a/os/hal/platforms/Linux/serial_lld.h
+++ b/os/hal/platforms/Linux/serial_lld.h
@@ -106,56 +106,31 @@ typedef struct {
 /**

  * @brief @p SerialDriver specific data.

  */

-struct _serial_driver_data {

-  /**

-   * @brief Driver state.

-   */

-  sdstate_t                 state;

-  /**

-   * @brief Current configuration data.

-   */

-  const SerialConfig        *config;

-  /**

-   * @brief Input queue, incoming data can be read from this input queue by

-   *        using the queues APIs.

-   */

-  InputQueue                iqueue;

-  /**

-   * @brief Output queue, outgoing data can be written to this output queue by

-   *        using the queues APIs.

-   */

-  OutputQueue               oqueue;

-  /**

-   * @brief Status Change @p EventSource. This event is generated when one or

-   *        more condition flags change.

-   */

-  EventSource               sevent;

-  /**

-   * @brief I/O driver status flags.

-   */

-  sdflags_t                 flags;

-  /**

-   * @brief Input circular buffer.

-   */

-  uint8_t                   ib[SERIAL_BUFFERS_SIZE];

-  /**

-   * @brief Output circular buffer.

-   */

-  uint8_t                   ob[SERIAL_BUFFERS_SIZE];

-  /* End of the mandatory fields.*/

-  /**

-   * Listen socket for simulated serial port.

-   */

-  SOCKET                    com_listen;

-  /**

-   * Data socket for simulated serial port.

-   */

-  SOCKET                    com_data;

-  /**

-   * Port readable name.
-   */

-  const char                *com_name;

-};

+#define _serial_driver_data                                                 \

+  _base_asynchronous_channel_data;                                          \

+  /* Driver state.*/                                                        \

+  sdstate_t                 state;                                          \

+  /* Current configuration data.*/                                          \

+  const SerialConfig        *config;                                        \

+  /* Input queue.*/                                                         \

+  InputQueue                iqueue;                                         \

+  /* Output queue.*/                                                        \

+  OutputQueue               oqueue;                                         \

+  /* Status Change @p EventSource.*/                                        \

+  EventSource               sevent;                                         \

+  /* I/O driver status flags.*/                                             \

+  sdflags_t                 flags;                                          \

+  /* Input circular buffer.*/                                               \

+  uint8_t                   ib[SERIAL_BUFFERS_SIZE];                        \

+  /* Output circular buffer.*/                                              \

+  uint8_t                   ob[SERIAL_BUFFERS_SIZE];                        \

+  /* End of the mandatory fields.*/                                         \

+  /* Listen socket for simulated serial port.*/                             \

+  SOCKET                    com_listen;                                     \

+  /* Data socket for simulated serial port.*/                               \

+  SOCKET                    com_data;                                       \

+  /* Port readable name.*/                                                  \

+  const char                *com_name

 

 /*===========================================================================*/

 /* Driver macros.                                                            */

diff --git a/os/hal/platforms/MSP430/serial_lld.c b/os/hal/platforms/MSP430/serial_lld.c
index acc8a8357..abb0086bf 100644
--- a/os/hal/platforms/MSP430/serial_lld.c
+++ b/os/hal/platforms/MSP430/serial_lld.c
@@ -260,18 +260,18 @@ void sd_lld_init(void) {
  */

 void sd_lld_start(SerialDriver *sdp) {

 

-  if (sdp->sd.config == NULL)

-    sdp->sd.config = &default_config;

+  if (sdp->config == NULL)

+    sdp->config = &default_config;

 

 #if USE_MSP430_USART0

   if (&SD1 == sdp) {

-    usart0_init(sdp->sd.config);

+    usart0_init(sdp->config);

     return;

   }

 #endif

 #if USE_MSP430_USART1

   if (&SD2 == sdp) {

-    usart1_init(sdp->sd.config);

+    usart1_init(sdp->config);

     return;

   }

 #endif

diff --git a/os/hal/platforms/MSP430/serial_lld.h b/os/hal/platforms/MSP430/serial_lld.h
index 8b8f80d30..14542ce4a 100644
--- a/os/hal/platforms/MSP430/serial_lld.h
+++ b/os/hal/platforms/MSP430/serial_lld.h
@@ -91,44 +91,25 @@ typedef struct {
 /**

  * @brief @p SerialDriver specific data.

  */

-struct _serial_driver_data {

-  /**

-   * @brief Driver state.

-   */

-  sdstate_t                 state;

-  /**

-   * @brief Current configuration data.

-   */

-  const SerialConfig        *config;

-  /**

-   * @brief Input queue, incoming data can be read from this input queue by

-   *        using the queues APIs.

-   */

-  InputQueue                iqueue;

-  /**

-   * @brief Output queue, outgoing data can be written to this output queue by

-   *        using the queues APIs.

-   */

-  OutputQueue               oqueue;

-  /**

-   * @brief Status Change @p EventSource. This event is generated when one or

-   *        more condition flags change.

-   */

-  EventSource               sevent;

-  /**

-   * @brief I/O driver status flags.

-   */

-  sdflags_t                 flags;

-  /**

-   * @brief Input circular buffer.

-   */

-  uint8_t                   ib[SERIAL_BUFFERS_SIZE];

-  /**

-   * @brief Output circular buffer.

-   */

-  uint8_t                   ob[SERIAL_BUFFERS_SIZE];

+#define _serial_driver_data                                                 \

+  _base_asynchronous_channel_data;                                          \

+  /* Driver state.*/                                                        \

+  sdstate_t                 state;                                          \

+  /* Current configuration data.*/                                          \

+  const SerialConfig        *config;                                        \

+  /* Input queue.*/                                                         \

+  InputQueue                iqueue;                                         \

+  /* Output queue.*/                                                        \

+  OutputQueue               oqueue;                                         \

+  /* Status Change @p EventSource.*/                                        \

+  EventSource               sevent;                                         \

+  /* I/O driver status flags.*/                                             \

+  sdflags_t                 flags;                                          \

+  /* Input circular buffer.*/                                               \

+  uint8_t                   ib[SERIAL_BUFFERS_SIZE];                        \

+  /* Output circular buffer.*/                                              \

+  uint8_t                   ob[SERIAL_BUFFERS_SIZE];                        \

   /* End of the mandatory fields.*/

-};

 

 /*===========================================================================*/

 /* Driver macros.                                                            */

diff --git a/os/hal/platforms/STM32/serial_lld.c b/os/hal/platforms/STM32/serial_lld.c
index 3c8fda8c0..8077aa3f3 100644
--- a/os/hal/platforms/STM32/serial_lld.c
+++ b/os/hal/platforms/STM32/serial_lld.c
@@ -72,24 +72,24 @@ static const SerialConfig default_config =
  * @param[in] sdp pointer to a @p SerialDriver object

  */

 static void usart_init(SerialDriver *sdp) {

-  USART_TypeDef *u = sdp->sd.usart;

+  USART_TypeDef *u = sdp->usart;

 

   /*

    * Baud rate setting.

    */

-  if (sdp->sd.usart == USART1)

-    u->BRR = APB2CLK / sdp->sd.config->sc_speed;

+  if (sdp->usart == USART1)

+    u->BRR = APB2CLK / sdp->config->sc_speed;

   else

-    u->BRR = APB1CLK / sdp->sd.config->sc_speed;

+    u->BRR = APB1CLK / sdp->config->sc_speed;

 

   /*

    * Note that some bits are enforced.

    */

-  u->CR1 = sdp->sd.config->sc_cr1 | USART_CR1_UE | USART_CR1_PEIE |

+  u->CR1 = sdp->config->sc_cr1 | USART_CR1_UE | USART_CR1_PEIE |

                                     USART_CR1_RXNEIE | USART_CR1_TE |

                                     USART_CR1_RE;

-  u->CR2 = sdp->sd.config->sc_cr2 | USART_CR2_LBDIE;

-  u->CR3 = sdp->sd.config->sc_cr3 | USART_CR3_EIE;

+  u->CR2 = sdp->config->sc_cr2 | USART_CR2_LBDIE;

+  u->CR3 = sdp->config->sc_cr3 | USART_CR3_EIE;

   (void)u->SR;  /* SR reset step 1.*/

   (void)u->DR;  /* SR reset step 2.*/

 }

@@ -137,7 +137,7 @@ static void set_error(SerialDriver *sdp, uint16_t sr) {
  * @param[in] sdp communication channel associated to the USART

  */

 static void serve_interrupt(SerialDriver *sdp) {

-  USART_TypeDef *u = sdp->sd.usart;

+  USART_TypeDef *u = sdp->usart;

   uint16_t cr1 = u->CR1;

   uint16_t sr = u->SR;  /* SR reset step 1.*/

   uint16_t dr = u->DR;  /* SR reset step 2.*/

@@ -155,9 +155,9 @@ static void serve_interrupt(SerialDriver *sdp) {
   if ((cr1 & USART_CR1_TXEIE) && (sr & USART_SR_TXE)) {

     msg_t b;

     chSysLockFromIsr();

-    b = chOQGetI(&sdp->sd.oqueue);

+    b = chOQGetI(&sdp->oqueue);

     if (b < Q_OK) {

-      chEvtBroadcastI(&sdp->bac.oevent);

+      chEvtBroadcastI(&sdp->oevent);

       u->CR1 = cr1 & ~USART_CR1_TXEIE;

     }

     else

@@ -235,17 +235,17 @@ void sd_lld_init(void) {
 

 #if USE_STM32_USART1

   sdObjectInit(&SD1, NULL, notify1);

-  SD1.sd.usart = USART1;

+  SD1.usart = USART1;

 #endif

 

 #if USE_STM32_USART2

   sdObjectInit(&SD2, NULL, notify2);

-  SD2.sd.usart = USART2;

+  SD2.usart = USART2;

 #endif

 

 #if USE_STM32_USART3

   sdObjectInit(&SD3, NULL, notify3);

-  SD3.sd.usart = USART3;

+  SD3.usart = USART3;

 #endif

 }

 

@@ -256,10 +256,10 @@ void sd_lld_init(void) {
  */

 void sd_lld_start(SerialDriver *sdp) {

 

-  if (sdp->sd.config == NULL)

-    sdp->sd.config = &default_config;

+  if (sdp->config == NULL)

+    sdp->config = &default_config;

 

-  if (sdp->sd.state == SD_STOP) {

+  if (sdp->state == SD_STOP) {

 #if USE_STM32_USART1

     if (&SD1 == sdp) {

       RCC->APB2ENR |= RCC_APB2ENR_USART1EN;

@@ -291,8 +291,8 @@ void sd_lld_start(SerialDriver *sdp) {
  */

 void sd_lld_stop(SerialDriver *sdp) {

 

-  if (sdp->sd.state == SD_READY) {

-    usart_deinit(sdp->sd.usart);

+  if (sdp->state == SD_READY) {

+    usart_deinit(sdp->usart);

 #if USE_STM32_USART1

     if (&SD1 == sdp) {

       RCC->APB2ENR &= ~RCC_APB2ENR_USART1EN;

diff --git a/os/hal/platforms/STM32/serial_lld.h b/os/hal/platforms/STM32/serial_lld.h
index 97a56a332..e215dcef9 100644
--- a/os/hal/platforms/STM32/serial_lld.h
+++ b/os/hal/platforms/STM32/serial_lld.h
@@ -132,48 +132,27 @@ typedef struct {
 /**

  * @brief @p SerialDriver specific data.

  */

-struct _serial_driver_data {

-  /**

-   * @brief Driver state.

-   */

-  sdstate_t                 state;

-  /**

-   * @brief Current configuration data.

-   */

-  const SerialConfig        *config;

-  /**

-   * @brief Input queue, incoming data can be read from this input queue by

-   *        using the queues APIs.

-   */

-  InputQueue                iqueue;

-  /**

-   * @brief Output queue, outgoing data can be written to this output queue by

-   *        using the queues APIs.

-   */

-  OutputQueue               oqueue;

-  /**

-   * @brief Status Change @p EventSource. This event is generated when one or

-   *        more condition flags change.

-   */

-  EventSource               sevent;

-  /**

-   * @brief I/O driver status flags.

-   */

-  sdflags_t                 flags;

-  /**

-   * @brief Input circular buffer.
-   */

-  uint8_t                   ib[SERIAL_BUFFERS_SIZE];

-  /**

-   * @brief Output circular buffer.
-   */

-  uint8_t                   ob[SERIAL_BUFFERS_SIZE];

-  /* End of the mandatory fields.*/

-  /**

-   * @brief Pointer to the USART registers block.
-   */

-  USART_TypeDef             *usart;

-};

+#define _serial_driver_data                                                 \

+  _base_asynchronous_channel_data;                                          \

+  /* Driver state.*/                                                        \

+  sdstate_t                 state;                                          \

+  /* Current configuration data.*/                                          \

+  const SerialConfig        *config;                                        \

+  /* Input queue.*/                                                         \

+  InputQueue                iqueue;                                         \

+  /* Output queue.*/                                                        \

+  OutputQueue               oqueue;                                         \

+  /* Status Change @p EventSource.*/                                        \

+  EventSource               sevent;                                         \

+  /* I/O driver status flags.*/                                             \

+  sdflags_t                 flags;                                          \

+  /* Input circular buffer.*/                                               \

+  uint8_t                   ib[SERIAL_BUFFERS_SIZE];                        \

+  /* Output circular buffer.*/                                              \

+  uint8_t                   ob[SERIAL_BUFFERS_SIZE];                        \

+  /* End of the mandatory fields.*/                                         \

+  /* Pointer to the USART registers block.*/                                \

+  USART_TypeDef             *usart

 

 /*===========================================================================*/

 /* Driver macros.                                                            */

diff --git a/os/hal/platforms/Win32/serial_lld.c b/os/hal/platforms/Win32/serial_lld.c
index e29b994de..b22dcbad3 100644
--- a/os/hal/platforms/Win32/serial_lld.c
+++ b/os/hal/platforms/Win32/serial_lld.c
@@ -61,18 +61,18 @@ static void init(SerialDriver *sdp, uint16_t port) {
   struct protoent *prtp;

 

   if ((prtp = getprotobyname("tcp")) == NULL) {

-    printf("%s: Error mapping protocol name to protocol number\n", sdp->sd.com_name);

+    printf("%s: Error mapping protocol name to protocol number\n", sdp->com_name);

     goto abort;

   }

 

-  sdp->sd.com_listen = socket(PF_INET, SOCK_STREAM, prtp->p_proto);

-  if (sdp->sd.com_listen == INVALID_SOCKET) {

-    printf("%s: Error creating simulator socket\n", sdp->sd.com_name);

+  sdp->com_listen = socket(PF_INET, SOCK_STREAM, prtp->p_proto);

+  if (sdp->com_listen == INVALID_SOCKET) {

+    printf("%s: Error creating simulator socket\n", sdp->com_name);

     goto abort;

   }

 

-  if (ioctlsocket(sdp->sd.com_listen, FIONBIO, &nb) != 0) {

-    printf("%s: Unable to setup non blocking mode on socket\n", sdp->sd.com_name);

+  if (ioctlsocket(sdp->com_listen, FIONBIO, &nb) != 0) {

+    printf("%s: Unable to setup non blocking mode on socket\n", sdp->com_name);

     goto abort;

   }

 

@@ -80,36 +80,36 @@ static void init(SerialDriver *sdp, uint16_t port) {
   sad.sin_family = AF_INET;

   sad.sin_addr.s_addr = INADDR_ANY;

   sad.sin_port = htons(port);

-  if (bind(sdp->sd.com_listen, (struct sockaddr *)&sad, sizeof(sad))) {

-    printf("%s: Error binding socket\n", sdp->sd.com_name);

+  if (bind(sdp->com_listen, (struct sockaddr *)&sad, sizeof(sad))) {

+    printf("%s: Error binding socket\n", sdp->com_name);

     goto abort;

   }

 

-  if (listen(sdp->sd.com_listen, 1) != 0) {

-    printf("%s: Error listening socket\n", sdp->sd.com_name);

+  if (listen(sdp->com_listen, 1) != 0) {

+    printf("%s: Error listening socket\n", sdp->com_name);

     goto abort;

   }

-  printf("Full Duplex Channel %s listening on port %d\n", sdp->sd.com_name, port);

+  printf("Full Duplex Channel %s listening on port %d\n", sdp->com_name, port);

   return;

 

 abort:

-  if (sdp->sd.com_listen != INVALID_SOCKET)

-    closesocket(sdp->sd.com_listen);

+  if (sdp->com_listen != INVALID_SOCKET)

+    closesocket(sdp->com_listen);

   WSACleanup();

   exit(1);

 }

 

 static bool_t connint(SerialDriver *sdp) {

 

-  if (sdp->sd.com_data == INVALID_SOCKET) {

+  if (sdp->com_data == INVALID_SOCKET) {

     struct sockaddr addr;

     int addrlen = sizeof(addr);

 

-    if ((sdp->sd.com_data = accept(sdp->sd.com_listen, &addr, &addrlen)) == INVALID_SOCKET)

+    if ((sdp->com_data = accept(sdp->com_listen, &addr, &addrlen)) == INVALID_SOCKET)

       return FALSE;

 

-    if (ioctlsocket(sdp->sd.com_data, FIONBIO, &nb) != 0) {

-      printf("%s: Unable to setup non blocking mode on data socket\n", sdp->sd.com_name);

+    if (ioctlsocket(sdp->com_data, FIONBIO, &nb) != 0) {

+      printf("%s: Unable to setup non blocking mode on data socket\n", sdp->com_name);

       goto abort;

     }

     sdAddFlagsI(sdp, SD_CONNECTED);

@@ -117,35 +117,35 @@ static bool_t connint(SerialDriver *sdp) {
   }

   return FALSE;

 abort:

-  if (sdp->sd.com_listen != INVALID_SOCKET)

-    closesocket(sdp->sd.com_listen);

-  if (sdp->sd.com_data != INVALID_SOCKET)

-    closesocket(sdp->sd.com_data);

+  if (sdp->com_listen != INVALID_SOCKET)

+    closesocket(sdp->com_listen);

+  if (sdp->com_data != INVALID_SOCKET)

+    closesocket(sdp->com_data);

   WSACleanup();

   exit(1);

 }

 

 static bool_t inint(SerialDriver *sdp) {

 

-  if (sdp->sd.com_data != INVALID_SOCKET) {

+  if (sdp->com_data != INVALID_SOCKET) {

     int i;

     uint8_t data[32];

 

     /*

      * Input.

      */

-    int n = recv(sdp->sd.com_data, data, sizeof(data), 0);

+    int n = recv(sdp->com_data, data, sizeof(data), 0);

     switch (n) {

     case 0:

-      closesocket(sdp->sd.com_data);

-      sdp->sd.com_data = INVALID_SOCKET;

+      closesocket(sdp->com_data);

+      sdp->com_data = INVALID_SOCKET;

       sdAddFlagsI(sdp, SD_DISCONNECTED);

       return FALSE;

     case SOCKET_ERROR:

       if (WSAGetLastError() == WSAEWOULDBLOCK)

         return FALSE;

-      closesocket(sdp->sd.com_data);

-      sdp->sd.com_data = INVALID_SOCKET;

+      closesocket(sdp->com_data);

+      sdp->com_data = INVALID_SOCKET;

       return FALSE;

     }

     for (i = 0; i < n; i++)

@@ -157,7 +157,7 @@ static bool_t inint(SerialDriver *sdp) {
 

 static bool_t outint(SerialDriver *sdp) {

 

-  if (sdp->sd.com_data != INVALID_SOCKET) {

+  if (sdp->com_data != INVALID_SOCKET) {

     int n;

     uint8_t data[1];

 

@@ -168,18 +168,18 @@ static bool_t outint(SerialDriver *sdp) {
     if (n < 0)

       return FALSE;

     data[0] = (uint8_t)n;

-    n = send(sdp->sd.com_data, data, sizeof(data), 0);

+    n = send(sdp->com_data, data, sizeof(data), 0);

     switch (n) {

     case 0:

-      closesocket(sdp->sd.com_data);

-      sdp->sd.com_data = INVALID_SOCKET;

+      closesocket(sdp->com_data);

+      sdp->com_data = INVALID_SOCKET;

       sdAddFlagsI(sdp, SD_DISCONNECTED);

       return FALSE;

     case SOCKET_ERROR:

       if (WSAGetLastError() == WSAEWOULDBLOCK)

         return FALSE;

-      closesocket(sdp->sd.com_data);

-      sdp->sd.com_data = INVALID_SOCKET;

+      closesocket(sdp->com_data);

+      sdp->com_data = INVALID_SOCKET;

       return FALSE;

     }

     return TRUE;

@@ -202,16 +202,16 @@ void sd_lld_init(void) {
 

 #if USE_WIN32_SERIAL1

   sdObjectInit(&SD1, NULL, NULL);

-  SD1.sd.com_listen = INVALID_SOCKET;

-  SD1.sd.com_data = INVALID_SOCKET;

-  SD1.sd.com_name = "SD1";

+  SD1.com_listen = INVALID_SOCKET;

+  SD1.com_data = INVALID_SOCKET;

+  SD1.com_name = "SD1";

 #endif

 

 #if USE_WIN32_SERIAL1

   sdObjectInit(&SD2, NULL, NULL);

-  SD2.sd.com_listen = INVALID_SOCKET;

-  SD2.sd.com_data = INVALID_SOCKET;

-  SD2.sd.com_name = "SD2";

+  SD2.com_listen = INVALID_SOCKET;

+  SD2.com_data = INVALID_SOCKET;

+  SD2.com_name = "SD2";

 #endif

 }

 

@@ -222,8 +222,8 @@ void sd_lld_init(void) {
  */

 void sd_lld_start(SerialDriver *sdp) {

 

-  if (sdp->sd.config == NULL)

-    sdp->sd.config = &default_config;

+  if (sdp->config == NULL)

+    sdp->config = &default_config;

 

 #if USE_WIN32_SERIAL1

   if (sdp == &SD1)

diff --git a/os/hal/platforms/Win32/serial_lld.h b/os/hal/platforms/Win32/serial_lld.h
index ed70a880a..936ff2a7a 100644
--- a/os/hal/platforms/Win32/serial_lld.h
+++ b/os/hal/platforms/Win32/serial_lld.h
@@ -102,56 +102,31 @@ typedef struct {
 /**

  * @brief @p SerialDriver specific data.

  */

-struct _serial_driver_data {

-  /**

-   * @brief Driver state.

-   */

-  sdstate_t                 state;

-  /**

-   * @brief Current configuration data.

-   */

-  const SerialConfig        *config;

-  /**

-   * @brief Input queue, incoming data can be read from this input queue by

-   *        using the queues APIs.

-   */

-  InputQueue                iqueue;

-  /**

-   * @brief Output queue, outgoing data can be written to this output queue by

-   *        using the queues APIs.

-   */

-  OutputQueue               oqueue;

-  /**

-   * @brief Status Change @p EventSource. This event is generated when one or

-   *        more condition flags change.

-   */

-  EventSource               sevent;

-  /**

-   * @brief I/O driver status flags.

-   */

-  sdflags_t                 flags;

-  /**

-   * @brief Input circular buffer.

-   */

-  uint8_t                   ib[SERIAL_BUFFERS_SIZE];

-  /**

-   * @brief Output circular buffer.

-   */

-  uint8_t                   ob[SERIAL_BUFFERS_SIZE];

-  /* End of the mandatory fields.*/

-  /**

-   * Listen socket for simulated serial port.
-   */

-  SOCKET                    com_listen;

-  /**

-   * Data socket for simulated serial port.

-   */

-  SOCKET                    com_data;

-  /**

-   * Port readable name.
-   */

-  const char                *com_name;

-};

+#define _serial_driver_data                                                 \

+  _base_asynchronous_channel_data;                                          \

+  /* Driver state.*/                                                        \

+  sdstate_t                 state;                                          \

+  /* Current configuration data.*/                                          \

+  const SerialConfig        *config;                                        \

+  /* Input queue.*/                                                         \

+  InputQueue                iqueue;                                         \

+  /* Output queue.*/                                                        \

+  OutputQueue               oqueue;                                         \

+  /* Status Change @p EventSource.*/                                        \

+  EventSource               sevent;                                         \

+  /* I/O driver status flags.*/                                             \

+  sdflags_t                 flags;                                          \

+  /* Input circular buffer.*/                                               \

+  uint8_t                   ib[SERIAL_BUFFERS_SIZE];                        \

+  /* Output circular buffer.*/                                              \

+  uint8_t                   ob[SERIAL_BUFFERS_SIZE];                        \

+  /* End of the mandatory fields.*/                                         \

+  /* Listen socket for simulated serial port.*/                             \

+  SOCKET                    com_listen;                                     \

+  /* Data socket for simulated serial port.*/                               \

+  SOCKET                    com_data;                                       \

+  /* Port readable name.*/                                                  \

+  const char                *com_name

 

 /*===========================================================================*/

 /* External declarations.                                                    */

diff --git a/os/hal/src/serial.c b/os/hal/src/serial.c
index 1372d5acc..49355ec33 100644
--- a/os/hal/src/serial.c
+++ b/os/hal/src/serial.c
@@ -48,50 +48,48 @@
 

 static size_t writes(void *ip, const uint8_t *bp, size_t n) {

 

-  return chOQWriteTimeout(&((SerialDriver *)ip)->sd.oqueue, bp,

+  return chOQWriteTimeout(&((SerialDriver *)ip)->oqueue, bp,

                           n, TIME_INFINITE);

 }

 

 static size_t reads(void *ip, uint8_t *bp, size_t n) {

 

-  return chIQReadTimeout(&((SerialDriver *)ip)->sd.iqueue, bp,

+  return chIQReadTimeout(&((SerialDriver *)ip)->iqueue, bp,

                          n, TIME_INFINITE);

 }

 

 static bool_t putwouldblock(void *ip) {

 

-  return chOQIsFull(&((SerialDriver *)ip)->sd.oqueue);

+  return chOQIsFull(&((SerialDriver *)ip)->oqueue);

 }

 

 static bool_t getwouldblock(void *ip) {

 

-  return chIQIsEmpty(&((SerialDriver *)ip)->sd.iqueue);

+  return chIQIsEmpty(&((SerialDriver *)ip)->iqueue);

 }

 

 static msg_t putt(void *ip, uint8_t b, systime_t timeout) {

 

-  return chOQPutTimeout(&((SerialDriver *)ip)->sd.oqueue, b, timeout);

+  return chOQPutTimeout(&((SerialDriver *)ip)->oqueue, b, timeout);

 }

 

 static msg_t gett(void *ip, systime_t timeout) {

 

-  return chIQGetTimeout(&((SerialDriver *)ip)->sd.iqueue, timeout);

+  return chIQGetTimeout(&((SerialDriver *)ip)->iqueue, timeout);

 }

 

 static size_t writet(void *ip, const uint8_t *bp, size_t n, systime_t time) {

 

-  return chOQWriteTimeout(&((SerialDriver *)ip)->sd.oqueue, bp, n, time);

+  return chOQWriteTimeout(&((SerialDriver *)ip)->oqueue, bp, n, time);

 }

 

 static size_t readt(void *ip, uint8_t *bp, size_t n, systime_t time) {

 

-  return chIQReadTimeout(&((SerialDriver *)ip)->sd.iqueue, bp, n, time);

+  return chIQReadTimeout(&((SerialDriver *)ip)->iqueue, bp, n, time);

 }

 

 static const struct SerialDriverVMT vmt = {

-  {writes, reads},

-  {putwouldblock, getwouldblock, putt, gett, writet, readt},

-  {}

+  writes, reads, putwouldblock, getwouldblock, putt, gett, writet, readt

 };

 

 /*===========================================================================*/

@@ -122,13 +120,13 @@ void sdInit(void) {
 void sdObjectInit(SerialDriver *sdp, qnotify_t inotify, qnotify_t onotify) {

 

   sdp->vmt = &vmt;

-  chEvtInit(&sdp->bac.ievent);

-  chEvtInit(&sdp->bac.oevent);

-  chEvtInit(&sdp->sd.sevent);

-  sdp->sd.state = SD_STOP;

-  sdp->sd.flags = SD_NO_ERROR;

-  chIQInit(&sdp->sd.iqueue, sdp->sd.ib, SERIAL_BUFFERS_SIZE, inotify);

-  chOQInit(&sdp->sd.oqueue, sdp->sd.ob, SERIAL_BUFFERS_SIZE, onotify);

+  chEvtInit(&sdp->ievent);

+  chEvtInit(&sdp->oevent);

+  chEvtInit(&sdp->sevent);

+  sdp->state = SD_STOP;

+  sdp->flags = SD_NO_ERROR;

+  chIQInit(&sdp->iqueue, sdp->ib, SERIAL_BUFFERS_SIZE, inotify);

+  chOQInit(&sdp->oqueue, sdp->ob, SERIAL_BUFFERS_SIZE, onotify);

 }

 

 /**

@@ -144,12 +142,12 @@ void sdStart(SerialDriver *sdp, const SerialConfig *config) {
   chDbgCheck(sdp != NULL, "sdStart");

 

   chSysLock();

-  chDbgAssert((sdp->sd.state == SD_STOP) || (sdp->sd.state == SD_READY),

+  chDbgAssert((sdp->state == SD_STOP) || (sdp->state == SD_READY),

               "sdStart(), #1",

               "invalid state");

-  sdp->sd.config = config;

+  sdp->config = config;

   sd_lld_start(sdp);

-  sdp->sd.state = SD_READY;

+  sdp->state = SD_READY;

   chSysUnlock();

 }

 

@@ -165,13 +163,13 @@ void sdStop(SerialDriver *sdp) {
   chDbgCheck(sdp != NULL, "sdStop");

 

   chSysLock();

-  chDbgAssert((sdp->sd.state == SD_STOP) || (sdp->sd.state == SD_READY),

+  chDbgAssert((sdp->state == SD_STOP) || (sdp->state == SD_READY),

               "sdStop(), #1",

               "invalid state");

   sd_lld_stop(sdp);

-  sdp->sd.state = SD_STOP;

-  chOQResetI(&sdp->sd.oqueue);

-  chIQResetI(&sdp->sd.iqueue);

+  sdp->state = SD_STOP;

+  chOQResetI(&sdp->oqueue);

+  chIQResetI(&sdp->iqueue);

   chSchRescheduleS();

   chSysUnlock();

 }

@@ -194,9 +192,9 @@ void sdIncomingDataI(SerialDriver *sdp, uint8_t b) {
 

   chDbgCheck(sdp != NULL, "sdIncomingDataI");

 

-  if (chIQIsEmpty(&sdp->sd.iqueue))

-    chEvtBroadcastI(&sdp->bac.ievent);

-  if (chIQPutI(&sdp->sd.iqueue, b) < Q_OK)

+  if (chIQIsEmpty(&sdp->iqueue))

+    chEvtBroadcastI(&sdp->ievent);

+  if (chIQPutI(&sdp->iqueue, b) < Q_OK)

     sdAddFlagsI(sdp, SD_OVERRUN_ERROR);

 }

 

@@ -217,9 +215,9 @@ msg_t sdRequestDataI(SerialDriver *sdp) {
 

   chDbgCheck(sdp != NULL, "sdRequestDataI");

 

-  msg_t b = chOQGetI(&sdp->sd.oqueue);

+  msg_t b = chOQGetI(&sdp->oqueue);

   if (b < Q_OK)

-    chEvtBroadcastI(&sdp->bac.oevent);

+    chEvtBroadcastI(&sdp->oevent);

   return b;

 }

 

@@ -235,8 +233,8 @@ void sdAddFlagsI(SerialDriver *sdp, sdflags_t mask) {
 

   chDbgCheck(sdp != NULL, "sdAddFlagsI");

 

-  sdp->sd.flags |= mask;

-  chEvtBroadcastI(&sdp->sd.sevent);

+  sdp->flags |= mask;

+  chEvtBroadcastI(&sdp->sevent);

 }

 

 /**

@@ -252,8 +250,8 @@ sdflags_t sdGetAndClearFlags(SerialDriver *sdp) {
   chDbgCheck(sdp != NULL, "sdGetAndClearFlags");

 

   chSysLock();

-  mask = sdp->sd.flags;

-  sdp->sd.flags = SD_NO_ERROR;

+  mask = sdp->flags;

+  sdp->flags = SD_NO_ERROR;

   chSysUnlock();

   return mask;

 }

diff --git a/os/hal/templates/serial_lld.c b/os/hal/templates/serial_lld.c
index cd155f210..1c95f7422 100644
--- a/os/hal/templates/serial_lld.c
+++ b/os/hal/templates/serial_lld.c
@@ -67,8 +67,8 @@ void sd_lld_init(void) {
  */

 void sd_lld_start(SerialDriver *sdp) {

 

-  if (sdp->sd.config == NULL)

-    sdp->sd.config = &default_config;

+  if (sdp->config == NULL)

+    sdp->config = &default_config;

 

 }

 

diff --git a/os/hal/templates/serial_lld.h b/os/hal/templates/serial_lld.h
index 2a54fd56d..47989e211 100644
--- a/os/hal/templates/serial_lld.h
+++ b/os/hal/templates/serial_lld.h
@@ -66,44 +66,25 @@ typedef struct {
 /**

  * @brief @p SerialDriver specific data.

  */

-struct _serial_driver_data {

-  /**

-   * @brief Driver state.

-   */

-  sdstate_t                 state;

-  /**

-   * @brief Current configuration data.

-   */

-  const SerialConfig        *config;

-  /**

-   * @brief Input queue, incoming data can be read from this input queue by

-   *        using the queues APIs.

-   */

-  InputQueue                iqueue;

-  /**

-   * @brief Output queue, outgoing data can be written to this output queue by

-   *        using the queues APIs.

-   */

-  OutputQueue               oqueue;

-  /**

-   * @brief Status Change @p EventSource. This event is generated when one or

-   *        more condition flags change.

-   */

-  EventSource               sevent;

-  /**

-   * @brief I/O driver status flags.

-   */

-  sdflags_t                 flags;

-  /**

-   * @brief Input circular buffer.

-   */

-  uint8_t                   ib[SERIAL_BUFFERS_SIZE];

-  /**

-   * @brief Output circular buffer.

-   */

-  uint8_t                   ob[SERIAL_BUFFERS_SIZE];

+#define _serial_driver_data                                                 \

+  _base_asynchronous_channel_data;                                          \

+  /* Driver state.*/                                                        \

+  sdstate_t                 state;                                          \

+  /* Current configuration data.*/                                          \

+  const SerialConfig        *config;                                        \

+  /* Input queue.*/                                                         \

+  InputQueue                iqueue;                                         \

+  /* Output queue.*/                                                        \

+  OutputQueue               oqueue;                                         \

+  /* Status Change @p EventSource.*/                                        \

+  EventSource               sevent;                                         \

+  /* I/O driver status flags.*/                                             \

+  sdflags_t                 flags;                                          \

+  /* Input circular buffer.*/                                               \

+  uint8_t                   ib[SERIAL_BUFFERS_SIZE];                        \

+  /* Output circular buffer.*/                                              \

+  uint8_t                   ob[SERIAL_BUFFERS_SIZE];                        \

   /* End of the mandatory fields.*/

-};

 

 /*===========================================================================*/

 /* Driver macros.                                                            */

diff --git a/os/kernel/include/channels.h b/os/kernel/include/channels.h
index 66f1d1168..7d3207b3a 100644
--- a/os/kernel/include/channels.h
+++ b/os/kernel/include/channels.h
@@ -30,59 +30,29 @@
 /**

  * @brief @p BaseChannel specific methods.

  */

-struct _base_channel_methods {

-  /**

-   * @brief Channel output check.

-   * @see chIOPutWouldBlock()

-   */

-  bool_t (*putwouldblock)(void *instance);

-  /**

-   * @brief Channel input check.

-   * @see chIOGetWouldBlock()

-   */

-  bool_t (*getwouldblock)(void *instance);

-  /**

-   * @brief Channel put method with timeout specification.

-   * @see chIOPut()

-   */

-  msg_t (*put)(void *instance, uint8_t b, systime_t time);

-  /**

-   * @brief Channel get method with timeout specification.

-   * @see chIOGet()

-   */

-  msg_t (*get)(void *instance, systime_t time);

-  /**

-   * @brief Channel write method with timeout specification.

-   * @see chIOWrite()

-   */

-  size_t (*write)(void *instance, const uint8_t *bp, size_t n, systime_t time);

-  /**

-   * @brief Channel read method with timeout specification.

-   * @see chIORead()

-   */

-  size_t (*read)(void *instance, uint8_t *bp, size_t n, systime_t time);

-};

+#define _base_channel_methods                                               \

+  _base_sequental_stream_methods;                                           \

+  bool_t (*putwouldblock)(void *instance);                                  \

+  bool_t (*getwouldblock)(void *instance);                                  \

+  msg_t (*put)(void *instance, uint8_t b, systime_t time);                  \

+  msg_t (*get)(void *instance, systime_t time);                             \

+  size_t (*writet)(void *instance, const uint8_t *bp,                       \

+                  size_t n, systime_t time);                                \

+  size_t (*readt)(void *instance, uint8_t *bp, size_t n, systime_t time)

 

 /**

  * @brief @p BaseChannel specific data.

  * @note It is empty because @p BaseChannel is only an interface without

  *       implementation.
  */

-struct _base_channel_data {

-};

+#define _base_channel_data                                                  \

+  _base_sequental_stream_data

 

 /**

  * @brief @p BaseChannel virtual methods table.

  */

-struct BaseChannelVMT {

-  /**

-   * @p BaseSequentialStream class inherited methods.

-   */

-  struct _base_sequental_stream_methods bss;

-  /**

-   * @p BaseChannel class specific methods.

-   */

-  struct _base_channel_methods bc;

+struct BaseChannelVMT {                                                     \

+  _base_channel_methods;                                                    \

 };

 

 /**

@@ -97,14 +67,7 @@ typedef struct {
    * Virtual Methods Table.

    */

   const struct BaseChannelVMT *vmt;

-  /**

-   * @p BaseSequentialStream class inherited data.

-   */

-  struct _base_sequental_stream_data bss;

-  /**

-   * @p BaseChannel class specific data.

-   */

-  struct _base_channel_data bc;

+  _base_channel_data;

 } BaseChannel;

 

 /**

@@ -118,7 +81,7 @@ typedef struct {
  *         operation.

  * @retval TRUE if the output queue is full and would block a write operation.

  */

-#define chIOPutWouldBlock(ip) ((ip)->vmt->bc.putwouldblock(ip))

+#define chIOPutWouldBlock(ip) ((ip)->vmt->putwouldblock(ip))

 

 /**

  * @brief Channel input check.

@@ -131,7 +94,7 @@ typedef struct {
  *         operation.

  * @retval TRUE if the input queue is empty and would block a read operation.

  */

-#define chIOGetWouldBlock(ip) ((ip)->vmt->bc.getwouldblock(ip))

+#define chIOGetWouldBlock(ip) ((ip)->vmt->getwouldblock(ip))

 

 /**

  * @brief Channel blocking byte write.

@@ -144,7 +107,7 @@ typedef struct {
  * @retval Q_OK if the operation succeeded.

  * @retval Q_RESET if the channel associated queue (if any) was reset.

  */

-#define chIOPut(ip, b) ((ip)->vmt->bc.put(ip, b, TIME_INFINITE))

+#define chIOPut(ip, b) ((ip)->vmt->put(ip, b, TIME_INFINITE))

 

 /**

  * @brief Channel blocking byte write with timeout.

@@ -163,7 +126,7 @@ typedef struct {
  * @retval Q_TIMEOUT if the specified time expired.

  * @retval Q_RESET if the channel associated queue (if any) was reset.

  */

-#define chIOPutTimeout(ip, b, time) ((ip)->vmt->bc.put(ip, b, time))

+#define chIOPutTimeout(ip, b, time) ((ip)->vmt->put(ip, b, time))

 

 /**

  * @brief Channel blocking byte read.

@@ -174,7 +137,7 @@ typedef struct {
  * @return A byte value from the queue or:

  * @retval Q_RESET if the channel associated queue (if any) was reset.

  */

-#define chIOGet(ip) ((ip)->vmt->bc.get(ip, TIME_INFINITE))

+#define chIOGet(ip) ((ip)->vmt->get(ip, TIME_INFINITE))

 

 /**

  * @brief Channel blocking byte read with timeout.

@@ -191,7 +154,7 @@ typedef struct {
  * @retval Q_TIMEOUT if the specified time expired.

  * @retval Q_RESET if the channel associated queue (if any) was reset.

  */

-#define chIOGetTimeout(ip, time) ((ip)->vmt->bc.get(ip, time))

+#define chIOGetTimeout(ip, time) ((ip)->vmt->get(ip, time))

 

 /**

  * @brief Channel blocking write with timeout.

@@ -209,7 +172,7 @@ typedef struct {
  * @return The number of bytes transferred.

  */

 #define chIOWriteTimeout(ip, bp, n, time)                                   \

-  ((ip)->vmt->bac.write(ip, bp, n, time))

+  ((ip)->vmt->write(ip, bp, n, time))

 

 /**

  * @brief Channel blocking read with timeout.

@@ -227,47 +190,28 @@ typedef struct {
  * @return The number of bytes transferred.

  */

 #define chIOReadTimeout(ip, bp, n, time)                                    \

-  ((ip)->vmt->bac.read(ip, bp, n, time))

+  ((ip)->vmt->read(ip, bp, n, time))

 

 #if CH_USE_EVENTS

 /**

  * @brief @p BaseAsynchronousChannel specific methods.

  */

-struct _base_asynchronous_channel_methods {

-};

+#define _base_asynchronous_channel_methods                                  \

+  _base_channel_methods

 

 /**

  * @brief @p BaseAsynchronousChannel specific data.

  */

-struct _base_asynchronous_channel_data {

-  /**

-   * Data Available @p EventSource. This event is generated when some incoming

-   * data is inserted in the input queue.

-   */

-  EventSource           ievent;

-  /**

-   * Data Transmitted @p EventSource. This event is generated when the

-   * output queue is empty.

-   */

-  EventSource           oevent;

-};

+#define _base_asynchronous_channel_data                                     \

+  _base_channel_data;                                                       \

+  EventSource           ievent;                                             \

+  EventSource           oevent

 

 /**

  * @brief @p BaseAsynchronousChannel virtual methods table.

  */

 struct BaseAsynchronousChannelVMT {

-  /**

-   * @p BaseSequentialStream class inherited methods.

-   */

-  struct _base_sequental_stream_methods bss;

-  /**

-   * @p BaseChannel class inherited methods.

-   */

-  struct _base_channel_methods bc;

-  /**

-   * @p BaseAsynchronousChannel class specific methods.

-   */

-  struct _base_asynchronous_channel_methods bac;

+  _base_asynchronous_channel_methods;

 };

 

 /**

@@ -282,18 +226,7 @@ typedef struct {
    * Virtual Methods Table.

    */

   const struct BaseAsynchronousChannelVMT *vmt;

-  /**

-   * @p BaseSequentialStream class inherited data.

-   */

-  struct _base_sequental_stream_data bss;

-  /**

-   * @p BaseChannel class inherited data.

-   */

-  struct _base_channel_data bc;

-  /**

-   * @p BaseAsynchronousChannel class specific data.

-   */

-  struct _base_asynchronous_channel_data bac;

+  _base_asynchronous_channel_data;

 } BaseAsynchronousChannel;

 

 /**

@@ -304,7 +237,7 @@ typedef struct {
  * @param[in] ip pointer to a @p BaseAsynchronousChannel or derived class

  * @return A pointer to an @p EventSource object.

  */

-#define chIOGetWriteEventSource(ip) (&((ip)->vmt->bac.oevent))

+#define chIOGetWriteEventSource(ip) (&((ip)->vmt->oevent))

 

 /**

  * @brief Returns the read event source.

@@ -314,7 +247,7 @@ typedef struct {
  * @param[in] ip pointer to a @p BaseAsynchronousChannel or derived class

  * @return A pointer to an @p EventSource object.

  */

-#define chIOGetReadEventSource(ip) (&((ip)->vmt->bac.ievent))

+#define chIOGetReadEventSource(ip) (&((ip)->vmt->ievent))

 

 #endif /* CH_USE_EVENTS */

 

diff --git a/os/kernel/include/streams.h b/os/kernel/include/streams.h
index f01d0999b..80fa72e46 100644
--- a/os/kernel/include/streams.h
+++ b/os/kernel/include/streams.h
@@ -30,33 +30,22 @@
 /**

  * @brief BaseSequentialStream specific methods.

  */

-struct _base_sequental_stream_methods {

-  /**

-   * @brief Stream write buffer method.

-   */

-  size_t (*write)(void *instance, const uint8_t *bp, size_t n);

-  /**

-   * @brief Stream read buffer method.

-   */

-  size_t (*read)(void *instance, uint8_t *bp, size_t n);

-};

+#define _base_sequental_stream_methods                                      \

+  size_t (*write)(void *instance, const uint8_t *bp, size_t n);             \

+  size_t (*read)(void *instance, uint8_t *bp, size_t n)

 

 /**

  * @brief @p BaseSequentialStream specific data.

  * @note It is empty because @p BaseSequentialStream is only an interface

  *       without implementation.

  */

-struct _base_sequental_stream_data {

-};

+#define _base_sequental_stream_data

 

 /**

  * @brief @p BaseSequentialStream virtual methods table.

  */

 struct BaseSequentialStreamVMT {

-  /**

-   * @p BaseSequentialStream class specific methods.

-   */

-  struct _base_sequental_stream_methods bss;

+  _base_sequental_stream_methods;

 };

 

 /**

@@ -69,10 +58,7 @@ typedef struct {
    * Virtual Methods Table.

    */

   const struct BaseSequentialStreamVMT *vmt;

-  /**

-   * @p BaseSequentialStream class specific data.

-   */

-  struct _base_sequental_stream_data bss;

+  _base_sequental_stream_data;

 } BaseSequentialStream;

 

 /**

@@ -86,7 +72,7 @@ typedef struct {
  *         than the specified number of bytes if the stream reaches a

  *         physical end of file and cannot be extended.

  */

-#define chSequentialStreamWrite(ip, bp, n) ((ip)->vmt->bss.write(ip, bp, n))

+#define chSequentialStreamWrite(ip, bp, n) ((ip)->vmt->write(ip, bp, n))

 

 /**

  * @brief Sequential Stream read.

@@ -99,7 +85,7 @@ typedef struct {
  *         than the specified number of bytes if the stream reaches the end

  *         of the available data.

  */

-#define chSequentialStreamRead(ip, bp, n) ((ip)->vmt->bss.read(ip, bp, n))

+#define chSequentialStreamRead(ip, bp, n) ((ip)->vmt->read(ip, bp, n))

 

 #endif /* _STREAMS_H_ */

 

diff --git a/readme.txt b/readme.txt
index 567022e0a..8349fbb5e 100644
--- a/readme.txt
+++ b/readme.txt
@@ -52,12 +52,13 @@
 *****************************************************************************

 

 *** 1.5.0 ***

-- FIX: Fixed parameter check in sdStart() function (bug 2932922)(backported

-  in 1.4.0).

+- FIX: Fixed parameter check in sdStart() function (bug 2932922)(backported in

+  1.4.0).

 - FIX: Fixed missing platform.mk file in MSP430 port (bug 2933735)(backported

   in 1.4.0).

 - CHANGE: Removed the unnamed union from the Thread structure some compilers

   do not support this non standard construct.

+- CHANGE: Removed the empty structures from the streams/channels headers.

 - CHANGE: Modified the thread-related constant macros to have a THD_ prefix.

 - OPT: Speed/size optimization to the events subsystem.

 - OPT: Speed/size optimization to the mutexes subsystem.