git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1883 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 40 insertions, 34 deletions

diff --git a/os/hal/platforms/LPC214x/serial_lld.c b/os/hal/platforms/LPC214x/serial_lld.c
index d79ba22d2..21c39f674 100644
--- a/os/hal/platforms/LPC214x/serial_lld.c
+++ b/os/hal/platforms/LPC214x/serial_lld.c
@@ -18,8 +18,9 @@
 */

 

 /**

- * @file LPC214x/serial_lld.c

- * @brief LPC214x low level serial driver code.

+ * @file    LPC214x/serial_lld.c

+ * @brief   LPC214x low level serial driver code.

+ *

  * @addtogroup LPC214x_SERIAL

  * @{

  */

@@ -47,7 +48,7 @@ SerialDriver SD2;
 /* Driver local variables.                                                   */

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

 

-/** @brief Driver default configuration.*/

+/** @brief  Driver default configuration.*/

 static const SerialConfig default_config = {

   SERIAL_DEFAULT_BITRATE,

   LCR_WL8 | LCR_STOP1 | LCR_NOPARITY,

@@ -59,19 +60,20 @@ static const SerialConfig default_config = {
 /*===========================================================================*/

 

 /**

- * @brief UART initialization.

+ * @brief   UART initialization.

  *

- * @param[in] sdp communication channel associated to the UART

+ * @param[in] sdp       communication channel associated to the UART

+ * @param[in] config    the architecture-dependent serial driver configuration

  */

-static void uart_init(SerialDriver *sdp) {

+static void uart_init(SerialDriver *sdp, const SerialConfig *config) {

   UART *u = sdp->uart;

 

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

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

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

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

   u->UART_DLL = div;

   u->UART_DLM = div >> 8;

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

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

+  u->UART_LCR = config->sc_lcr;

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

   u->UART_ACR = 0;

   u->UART_FDR = 0x10;

   u->UART_TER = TER_ENABLE;

@@ -79,9 +81,9 @@ static void uart_init(SerialDriver *sdp) {
 }

 

 /**

- * @brief UART de-initialization.

+ * @brief   UART de-initialization.

  *

- * @param[in] u pointer to an UART I/O block

+ * @param[in] u         pointer to an UART I/O block

  */

 static void uart_deinit(UART *u) {

 

@@ -97,10 +99,10 @@ static void uart_deinit(UART *u) {
 }

 

 /**

- * @brief Error handling routine.

+ * @brief   Error handling routine.

  *

- * @param[in] sdp communication channel associated to the UART

- * @param[in] err UART LSR register value

+ * @param[in] sdp       communication channel associated to the UART

+ * @param[in] err       UART LSR register value

  */

 static void set_error(SerialDriver *sdp, IOREG32 err) {

   sdflags_t sts = 0;

@@ -122,11 +124,12 @@ static void set_error(SerialDriver *sdp, IOREG32 err) {
 __attribute__((noinline))

 #endif

 /**

- * @brief Common IRQ handler.

- * @param[in] u pointer to an UART I/O block

- * @param[in] sdp communication channel associated to the UART

- * @note Tries hard to clear all the pending interrupt sources, we dont want to

- *       go through the whole ISR and have another interrupt soon after.

+ * @brief   Common IRQ handler.

+ * @note    Tries hard to clear all the pending interrupt sources, we dont want

+ *          to go through the whole ISR and have another interrupt soon after.

+ *

+ * @param[in] u         pointer to an UART I/O block

+ * @param[in] sdp       communication channel associated to the UART

  */

 static void serve_interrupt(SerialDriver *sdp) {

   UART *u = sdp->uart;

@@ -179,7 +182,7 @@ static void serve_interrupt(SerialDriver *sdp) {
 }

 

 /**

- * @brief Attempts a TX FIFO preload.

+ * @brief   Attempts a TX FIFO preload.

  */

 static void preload(SerialDriver *sdp) {

   UART *u = sdp->uart;

@@ -199,7 +202,7 @@ static void preload(SerialDriver *sdp) {
 }

 

 /**

- * @brief Driver SD1 output notification.

+ * @brief   Driver SD1 output notification.

  */

 #if USE_LPC214x_UART0 || defined(__DOXYGEN__)

 static void notify1(void) {

@@ -209,7 +212,7 @@ static void notify1(void) {
 #endif

 

 /**

- * @brief Driver SD2 output notification.

+ * @brief   Driver SD2 output notification.

  */

 #if USE_LPC214x_UART1 || defined(__DOXYGEN__)

 static void notify2(void) {

@@ -223,7 +226,7 @@ static void notify2(void) {
 /*===========================================================================*/

 

 /**

- * @brief UART0 IRQ handler.

+ * @brief   UART0 IRQ handler.

  */

 #if USE_LPC214x_UART0 || defined(__DOXYGEN__)

 CH_IRQ_HANDLER(UART0IrqHandler) {

@@ -238,7 +241,7 @@ CH_IRQ_HANDLER(UART0IrqHandler) {
 #endif

 

 /**

- * @brief UART1 IRQ handler.

+ * @brief   UART1 IRQ handler.

  */

 #if USE_LPC214x_UART1 || defined(__DOXYGEN__)

 CH_IRQ_HANDLER(UART1IrqHandler) {

@@ -257,7 +260,7 @@ CH_IRQ_HANDLER(UART1IrqHandler) {
 /*===========================================================================*/

 

 /**

- * Low level serial driver initialization.

+ * @brief   Low level serial driver initialization.

  */

 void sd_lld_init(void) {

 

@@ -274,14 +277,17 @@ void sd_lld_init(void) {
 }

 

 /**

- * @brief Low level serial driver configuration and (re)start.

+ * @brief   Low level serial driver configuration and (re)start.

  *

- * @param[in] sdp pointer to a @p SerialDriver object

+ * @param[in] sdp       pointer to a @p SerialDriver object

+ * @param[in] config    the architecture-dependent serial driver configuration.

+ *                      If this parameter is set to @p NULL then a default

+ *                      configuration is used.

  */

-void sd_lld_start(SerialDriver *sdp) {

+void sd_lld_start(SerialDriver *sdp, const SerialConfig *config) {

 

-  if (sdp->config == NULL)

-    sdp->config = &default_config;

+  if (config == NULL)

+    config = &default_config;

 

   if (sdp->state == SD_STOP) {

 #if USE_LPC214x_UART0

@@ -297,15 +303,15 @@ void sd_lld_start(SerialDriver *sdp) {
     }

 #endif

   }

-  uart_init(sdp);

+  uart_init(sdp, config);

 }

 

 /**

- * @brief Low level serial driver stop.

+ * @brief   Low level serial driver stop.

  * @details De-initializes the UART, stops the associated clock, resets the

  *          interrupt vector.

  *

- * @param[in] sdp pointer to a @p SerialDriver object

+ * @param[in] sdp       pointer to a @p SerialDriver object

  */

 void sd_lld_stop(SerialDriver *sdp) {