git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1342 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 0 insertions, 337 deletions

diff --git a/os/hal/platforms/LPC214x/serial_lld.c b/os/hal/platforms/LPC214x/serial_lld.c
deleted file mode 100644
index c7db717b2..000000000
--- a/os/hal/platforms/LPC214x/serial_lld.c
+++ /dev/null
@@ -1,337 +0,0 @@
-/*

-    ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.

-

-    This file is part of ChibiOS/RT.

-

-    ChibiOS/RT is free software; you can redistribute it and/or modify

-    it under the terms of the GNU General Public License as published by

-    the Free Software Foundation; either version 3 of the License, or

-    (at your option) any later version.

-

-    ChibiOS/RT is distributed in the hope that it will be useful,

-    but WITHOUT ANY WARRANTY; without even the implied warranty of

-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

-    GNU General Public License for more details.

-

-    You should have received a copy of the GNU General Public License

-    along with this program.  If not, see <http://www.gnu.org/licenses/>.

-*/

-

-/**

- * @file LPC214x/serial_lld.c

- * @brief LPC214x low level serial driver code

- * @addtogroup LPC214x_SERIAL

- * @{

- */

-

-#include <ch.h>

-#include <serial.h>

-

-#include "board.h"

-#include "vic.h"

-

-#if USE_LPC214x_UART0 || defined(__DOXYGEN__)

-/** @brief UART0 serial driver identifier.*/

-SerialDriver SD1;

-#endif

-

-#if USE_LPC214x_UART1 || defined(__DOXYGEN__)

-/** @brief UART1 serial driver identifier.*/

-SerialDriver SD2;

-#endif

-

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

-static const SerialDriverConfig default_config = {

-  38400,

-  LCR_WL8 | LCR_STOP1 | LCR_NOPARITY,

-  FCR_TRIGGER0

-};

-

-/*===========================================================================*/

-/* Low Level Driver local functions.                                         */

-/*===========================================================================*/

-

-/**

- * @brief UART initialization.

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

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

- */

-static void uart_init(UART *u, const SerialDriverConfig *config) {

-

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

-  u->UART_LCR = config->lcr | LCR_DLAB;

-  u->UART_DLL = div;

-  u->UART_DLM = div >> 8;

-  u->UART_LCR = config->lcr;

-  u->UART_FCR = FCR_ENABLE | FCR_RXRESET | FCR_TXRESET | config->fcr;

-  u->UART_ACR = 0;

-  u->UART_FDR = 0x10;

-  u->UART_TER = TER_ENABLE;

-  u->UART_IER = IER_RBR | IER_STATUS;

-}

-

-/**

- * @brief UART de-initialization.

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

- */

-static void uart_deinit(UART *u) {

-

-  u->UART_DLL = 1;

-  u->UART_DLM = 0;

-  u->UART_FDR = 0x10;

-  u->UART_IER = 0;

-  u->UART_FCR = FCR_RXRESET | FCR_TXRESET;

-  u->UART_LCR = 0;

-  u->UART_ACR = 0;

-  u->UART_TER = TER_ENABLE;

-}

-

-/**

- * @brief Error handling routine.

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

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

- */

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

-  sdflags_t sts = 0;

-

-  if (err & LSR_OVERRUN)

-    sts |= SD_OVERRUN_ERROR;

-  if (err & LSR_PARITY)

-    sts |= SD_PARITY_ERROR;

-  if (err & LSR_FRAMING)

-    sts |= SD_FRAMING_ERROR;

-  if (err & LSR_BREAK)

-    sts |= SD_BREAK_DETECTED;

-  chSysLockFromIsr();

-  sdAddFlagsI(sdp, sts);

-  chSysUnlockFromIsr();

-}

-

-#if defined(__GNU__)

-__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.

- */

-static void serve_interrupt(UART *u, SerialDriver *sdp) {

-

-  while (TRUE) {

-

-    switch (u->UART_IIR & IIR_SRC_MASK) {

-    case IIR_SRC_NONE:

-      return;

-    case IIR_SRC_ERROR:

-      set_error(u->UART_LSR, sdp);

-      break;

-    case IIR_SRC_TIMEOUT:

-    case IIR_SRC_RX:

-      while (u->UART_LSR & LSR_RBR_FULL) {

-        chSysLockFromIsr();

-        if (chIQPutI(&sdp->d2.iqueue, u->UART_RBR) < Q_OK)

-           sdAddFlagsI(sdp, SD_OVERRUN_ERROR);

-        chSysUnlockFromIsr();

-      }

-      chSysLockFromIsr();

-      chEvtBroadcastI(&sdp->d1.ievent);

-      chSysUnlockFromIsr();

-      break;

-    case IIR_SRC_TX:

-      {

-#if UART_FIFO_PRELOAD > 0

-        int i = UART_FIFO_PRELOAD;

-        do {

-          chSysLockFromIsr();

-          msg_t b = chOQGetI(&sdp->d2.oqueue);

-          chSysUnlockFromIsr();

-          if (b < Q_OK) {

-            u->UART_IER &= ~IER_THRE;

-            chSysLockFromIsr();

-            chEvtBroadcastI(&sdp->d1.oevent);

-            chSysUnlockFromIsr();

-            break;

-          }

-          u->UART_THR = b;

-        } while (--i);

-#else

-        chSysLockFromIsr();

-        msg_t b = sdRequestDataI(sdp);

-        chSysUnlockFromIsr();

-        if (b < Q_OK)

-          u->UART_IER &= ~IER_THRE;

-        else

-          u->UART_THR = b;

-#endif

-      }

-    default:

-      (void) u->UART_THR;

-      (void) u->UART_RBR;

-    }

-  }

-}

-

-#if UART_FIFO_PRELOAD > 0

-static void preload(UART *u, SerialDriver *sdp) {

-

-  if (u->UART_LSR & LSR_THRE) {

-    int i = UART_FIFO_PRELOAD;

-    do {

-      chSysLockFromIsr();

-      msg_t b = chOQGetI(&sdp->d2.oqueue);

-      chSysUnlockFromIsr();

-      if (b < Q_OK) {

-        chSysLockFromIsr();

-        chEvtBroadcastI(&sdp->d1.oevent);

-        chSysUnlockFromIsr();

-        return;

-      }

-      u->UART_THR = b;

-    } while (--i);

-  }

-  u->UART_IER |= IER_THRE;

-}

-#endif

-

-#if USE_LPC214x_UART0 || defined(__DOXYGEN__)

-static void notify1(void) {

-#if UART_FIFO_PRELOAD > 0

-

-  preload(U0Base, &SD1);

-#else

-  UART *u = U0Base;

-

-  if (u->UART_LSR & LSR_THRE) {

-    chSysLockFromIsr();

-    u->UART_THR = chOQGetI(&SD1.sd_oqueue);

-    chSysUnlockFromIsr();

-  }

-  u->UART_IER |= IER_THRE;

-#endif

-}

-#endif

-

-#if USE_LPC214x_UART1 || defined(__DOXYGEN__)

-static void notify2(void) {

-#if UART_FIFO_PRELOAD > 0

-

-  preload(U1Base, &SD2);

-#else

-  UART *u = U1Base;

-

-  if (u->UART_LSR & LSR_THRE)

-    u->UART_THR = chOQGetI(&SD2.sd_oqueue);

-  u->UART_IER |= IER_THRE;

-#endif

-}

-#endif

-

-/*===========================================================================*/

-/* Low Level Driver interrupt handlers.                                      */

-/*===========================================================================*/

-

-#if USE_LPC214x_UART0 || defined(__DOXYGEN__)

-CH_IRQ_HANDLER(UART0IrqHandler) {

-

-  CH_IRQ_PROLOGUE();

-

-  serve_interrupt(U0Base, &SD1);

-  VICVectAddr = 0;

-

-  CH_IRQ_EPILOGUE();

-}

-#endif

-

-#if USE_LPC214x_UART1 || defined(__DOXYGEN__)

-CH_IRQ_HANDLER(UART1IrqHandler) {

-

-  CH_IRQ_PROLOGUE();

-

-  serve_interrupt(U1Base, &SD2);

-  VICVectAddr = 0;

-

-  CH_IRQ_EPILOGUE();

-}

-#endif

-

-

-/*===========================================================================*/

-/* Low Level Driver exported functions.                                      */

-/*===========================================================================*/

-

-/**

- * Low level serial driver initialization.
- */

-void sd_lld_init(void) {

-

-#if USE_LPC214x_UART0

-  sdObjectInit(&SD1, NULL, notify1);

-  SetVICVector(UART0IrqHandler, LPC214x_UART1_PRIORITY, SOURCE_UART0);

-#endif

-#if USE_LPC214x_UART1

-  sdObjectInit(&SD2, NULL, notify2);

-  SetVICVector(UART1IrqHandler, LPC214x_UART2_PRIORITY, SOURCE_UART1);

-#endif

-}

-

-/**

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

- *

- * @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, const SerialDriverConfig *config) {

-

-  if (config == NULL)

-    config = &default_config;

-

-#if USE_LPC214x_UART1

-  if (&SD1 == sdp) {

-    PCONP = (PCONP & PCALL) | PCUART0;

-    uart_init(U0Base, config);

-    VICIntEnable = INTMASK(SOURCE_UART0);

-    return;

-  }

-#endif

-#if USE_LPC214x_UART2

-  if (&SD2 == sdp) {

-    PCONP = (PCONP & PCALL) | PCUART1;

-    uart_init(U1Base, config);

-    VICIntEnable = INTMASK(SOURCE_UART1);

-    return;

-  }

-#endif

-}

-

-/**

- * @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

- */

-void sd_lld_stop(SerialDriver *sdp) {

-

-#if USE_LPC214x_UART1

-  if (&SD1 == sdp) {

-    uart_deinit(U0Base);

-    PCONP = (PCONP & PCALL) & ~PCUART0;

-    VICIntEnClear = INTMASK(SOURCE_UART0);

-    return;

-  }

-#endif

-#if USE_LPC214x_UART2

-  if (&SD2 == sdp) {

-    uart_deinit(U1Base);

-    PCONP = (PCONP & PCALL) & ~PCUART1;

-    VICIntEnClear = INTMASK(SOURCE_UART1);

-    return;

-  }

-#endif

-}

-

-/** @} */