Reorganize NRF5x driver files.

1 files changed, 0 insertions, 343 deletions

diff --git a/os/hal/ports/NRF5/LLD/hal_serial_lld.c b/os/hal/ports/NRF5/LLD/hal_serial_lld.c
deleted file mode 100644
index 42091e8..0000000
--- a/os/hal/ports/NRF5/LLD/hal_serial_lld.c
+++ /dev/null
@@ -1,343 +0,0 @@
-/*

-    Copyright (C) 2015 Fabio Utzig

-

-    Licensed under the Apache License, Version 2.0 (the "License");

-    you may not use this file except in compliance with the License.

-    You may obtain a copy of the License at

-

-        http://www.apache.org/licenses/LICENSE-2.0

-

-    Unless required by applicable law or agreed to in writing, software

-    distributed under the License is distributed on an "AS IS" BASIS,

-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

-    See the License for the specific language governing permissions and

-    limitations under the License.

-*/

-

-/**

- * @file    NRF5/LLD/hal_serial_lld.c

- * @brief   NRF5 serial subsystem low level driver source.

- *

- * @addtogroup SERIAL

- * @{

- */

-

-#include "hal.h"

-

-#if (HAL_USE_SERIAL == TRUE) || defined(__DOXYGEN__)

-

-#if   NRF_SERIES == 51

-#include "nrf51.h"

-#elif NRF_SERIES == 52

-#include "nrf52.h"

-#define UART0_IRQn UARTE0_UART0_IRQn

-#endif

-

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

-/* Driver local definitions.                                                 */

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

-

-

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

-/* Driver exported variables.                                                */

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

-

-/** @brief USART1 serial driver identifier.*/

-#if (NRF5_SERIAL_USE_UART0 == TRUE) || defined(__DOXYGEN__)

-SerialDriver SD1;

-#endif

-

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

-/* Driver local variables and types.                                         */

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

-

-/**

- * @brief   Driver default configuration.

- */

-static const SerialConfig default_config = {

-  .speed   = 38400,

-  .tx_pad  = NRF5_SERIAL_PAD_DISCONNECTED,

-  .rx_pad  = NRF5_SERIAL_PAD_DISCONNECTED,

-#if (NRF5_SERIAL_USE_HWFLOWCTRL == TRUE)

-  .rts_pad = NRF5_SERIAL_PAD_DISCONNECTED,

-  .cts_pad = NRF5_SERIAL_PAD_DISCONNECTED,

-#endif

-};

-

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

-/* Driver local functions.                                                   */

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

-

-/*

- * @brief Maps a baudrate speed to a BAUDRATE register value.

- */

-

-/**

- * @brief   Common UART configuration.

- *

- */

-static void configure_uart(const SerialConfig *config)

-{

-  uint32_t speed = UART_BAUDRATE_BAUDRATE_Baud250000;

-

-  switch (config->speed) {

-    case 1200: speed = UART_BAUDRATE_BAUDRATE_Baud1200; break;

-    case 2400: speed = UART_BAUDRATE_BAUDRATE_Baud2400; break;

-    case 4800: speed = UART_BAUDRATE_BAUDRATE_Baud4800; break;

-    case 9600: speed = UART_BAUDRATE_BAUDRATE_Baud9600; break;

-    case 14400: speed = UART_BAUDRATE_BAUDRATE_Baud14400; break;

-    case 19200: speed = UART_BAUDRATE_BAUDRATE_Baud19200; break;

-    case 28800: speed = UART_BAUDRATE_BAUDRATE_Baud28800; break;

-    case 38400: speed = UART_BAUDRATE_BAUDRATE_Baud38400; break;

-    case 57600: speed = UART_BAUDRATE_BAUDRATE_Baud57600; break;

-    case 76800: speed = UART_BAUDRATE_BAUDRATE_Baud76800; break;

-    case 115200: speed = UART_BAUDRATE_BAUDRATE_Baud115200; break;

-    case 230400: speed = UART_BAUDRATE_BAUDRATE_Baud230400; break;

-    case 250000: speed = UART_BAUDRATE_BAUDRATE_Baud250000; break;

-    case 460800: speed = UART_BAUDRATE_BAUDRATE_Baud460800; break;

-    case 921600: speed = UART_BAUDRATE_BAUDRATE_Baud921600; break;

-    case 1000000: speed = UART_BAUDRATE_BAUDRATE_Baud1M; break;

-    default: osalDbgAssert(0, "invalid baudrate"); break;

-  };

-

-  /* Configure PINs mode */

-  if (config->tx_pad != NRF5_SERIAL_PAD_DISCONNECTED) {

-    palSetPadMode(IOPORT1, config->tx_pad, PAL_MODE_OUTPUT_PUSHPULL);

-  }

-  if (config->rx_pad != NRF5_SERIAL_PAD_DISCONNECTED) {

-    palSetPadMode(IOPORT1, config->rx_pad, PAL_MODE_INPUT);

-  }

-#if (NRF5_SERIAL_USE_HWFLOWCTRL == TRUE)

-  if (config->rts_pad != NRF5_SERIAL_PAD_DISCONNECTED) {

-    palSetPadMode(IOPORT1, config->rts_pad, PAL_MODE_OUTPUT_PUSHPULL);

-  }

-  if (config->cts_pad != NRF5_SERIAL_PAD_DISCONNECTED) {

-    palSetPadMode(IOPORT1, config->cts_pad, PAL_MODE_INPUT);

-  }

-#endif

-  

-  /* Select PINs used by UART */

-  NRF_UART0->PSELTXD = config->tx_pad;

-  NRF_UART0->PSELRXD = config->rx_pad;

-#if (NRF5_SERIAL_USE_HWFLOWCTRL == TRUE)

-  NRF_UART0->PSELRTS = config->rts_pad;

-  NRF_UART0->PSELCTS = config->cts_pad;

-#else

-  NRF_UART0->PSELRTS = NRF5_SERIAL_PAD_DISCONNECTED;

-  NRF_UART0->PSELCTS = NRF5_SERIAL_PAD_DISCONNECTED;

-#endif

-

-  /* Set baud rate */

-  NRF_UART0->BAUDRATE = speed;

-

-  /* Set config */

-  NRF_UART0->CONFIG = (UART_CONFIG_PARITY_Excluded << UART_CONFIG_PARITY_Pos);

-

-  /* Adjust flow control */

-#if (NRF5_SERIAL_USE_HWFLOWCTRL == TRUE)

-  if ((config->rts_pad < TOTAL_GPIO_PADS) ||

-      (config->cts_pad < TOTAL_GPIO_PADS)) {

-    NRF_UART0->CONFIG |=   UART_CONFIG_HWFC_Enabled << UART_CONFIG_HWFC_Pos;

-  } else {

-    NRF_UART0->CONFIG &= ~(UART_CONFIG_HWFC_Enabled << UART_CONFIG_HWFC_Pos);

-  }

-#else

-  NRF_UART0->CONFIG   &= ~(UART_CONFIG_HWFC_Enabled << UART_CONFIG_HWFC_Pos);

-#endif

-  

-  /* Enable UART and clear events */

-  NRF_UART0->ENABLE = UART_ENABLE_ENABLE_Enabled;

-  NRF_UART0->EVENTS_RXDRDY = 0;

-  NRF_UART0->EVENTS_TXDRDY = 0;

-#if CORTEX_MODEL >= 4

-  (void)NRF_UART0->EVENTS_RXDRDY;

-  (void)NRF_UART0->EVENTS_TXDRDY;

-#endif

-  

-  if (config->rx_pad != NRF5_SERIAL_PAD_DISCONNECTED) {

-    while (NRF_UART0->EVENTS_RXDRDY != 0) {

-      (void)NRF_UART0->RXD;

-    }

-  }

-}

-

-

-/**

- * @brief   Driver output notification.

- */

-#if NRF5_SERIAL_USE_UART0 || defined(__DOXYGEN__)

-static void notify1(io_queue_t *qp)

-{

-  SerialDriver *sdp = &SD1;

-

-  (void)qp;

-

-  if (NRF_UART0->PSELTXD == NRF5_SERIAL_PAD_DISCONNECTED)

-    return;

-

-  if (!sdp->tx_busy) {

-    msg_t b = oqGetI(&sdp->oqueue);

-

-    if (b < Q_OK) {

-      chnAddFlagsI(sdp, CHN_OUTPUT_EMPTY);

-      NRF_UART0->TASKS_STOPTX = 1;

-      return;

-    }

-    sdp->tx_busy = 1;

-    NRF_UART0->TASKS_STARTTX = 1;

-    NRF_UART0->TXD = b;

-  }

-}

-#endif

-

-

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

-/* Driver interrupt handlers.                                                */

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

-

-#if NRF5_SERIAL_USE_UART0 || defined(__DOXYGEN__)

-OSAL_IRQ_HANDLER(Vector48) {

-

-  OSAL_IRQ_PROLOGUE();

-

-  SerialDriver *sdp = &SD1;

-  uint32_t isr = NRF_UART0->INTENSET;

-

-  if ((NRF_UART0->EVENTS_RXDRDY != 0) && (isr & UART_INTENSET_RXDRDY_Msk)) {

-    // Clear UART RX event flag

-    NRF_UART0->EVENTS_RXDRDY = 0;

-#if CORTEX_MODEL >= 4

-    (void)NRF_UART0->EVENTS_RXDRDY;

-#endif

-    

-    osalSysLockFromISR();

-    if (iqIsEmptyI(&sdp->iqueue))

-      chnAddFlagsI(sdp, CHN_INPUT_AVAILABLE);

-    if (iqPutI(&sdp->iqueue, NRF_UART0->RXD) < Q_OK)

-      chnAddFlagsI(sdp, SD_OVERRUN_ERROR);

-    osalSysUnlockFromISR();

-  }

-

-  if ((NRF_UART0->EVENTS_TXDRDY != 0) && (isr & UART_INTENSET_TXDRDY_Msk)) {

-    msg_t b;

-

-    // Clear UART TX event flag.

-    NRF_UART0->EVENTS_TXDRDY = 0;

-#if CORTEX_MODEL >= 4

-    (void)NRF_UART0->EVENTS_TXDRDY;

-#endif

-    

-    osalSysLockFromISR();

-    b = oqGetI(&sdp->oqueue);

-    osalSysUnlockFromISR();

-

-    if (b < Q_OK) {

-      osalSysLockFromISR();

-      chnAddFlagsI(sdp, CHN_OUTPUT_EMPTY);

-      osalSysUnlockFromISR();

-      NRF_UART0->TASKS_STOPTX = 1;

-      sdp->tx_busy = 0;

-    } else {

-      sdp->tx_busy = 1;

-      NRF_UART0->TXD = b;

-    }

-  }

-

-  /* TODO: Error handling for EVENTS_ERROR */

-  if ((NRF_UART0->EVENTS_ERROR != 0) && (isr & UART_INTENSET_ERROR_Msk)) {

-    // Clear UART ERROR event flag.

-    NRF_UART0->EVENTS_ERROR = 0;

-#if CORTEX_MODEL >= 4

-    (void)NRF_UART0->EVENTS_ERROR;

-#endif

-  }

-

-

-  OSAL_IRQ_EPILOGUE();

-}

-#endif

-

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

-/* Driver exported functions.                                                */

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

-

-/**

- * @brief   Low level serial driver initialization.

- *

- * @notapi

- */

-void sd_lld_init(void) {

-

-#if NRF5_SERIAL_USE_UART0 == TRUE

-  sdObjectInit(&SD1, NULL, notify1);

-#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.

- *

- * @notapi

- */

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

-

-  if (config == NULL)

-    config = &default_config;

-

-  osalDbgAssert(

-      (config->rx_pad < TOTAL_GPIO_PADS) || (config->tx_pad < TOTAL_GPIO_PADS),

-      "must configure at least an RX or TX pad");

-

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

-

-#if NRF5_SERIAL_USE_UART0 == TRUE

-    if (sdp == &SD1) {

-      configure_uart(config);

-

-      // Enable UART interrupt

-      NRF_UART0->INTENCLR = (uint32_t)-1;

-      NRF_UART0->INTENSET = UART_INTENSET_ERROR_Msk;

-      if (config->rx_pad != NRF5_SERIAL_PAD_DISCONNECTED)

-          NRF_UART0->INTENSET |= UART_INTENSET_RXDRDY_Msk;

-      if (config->tx_pad != NRF5_SERIAL_PAD_DISCONNECTED)

-          NRF_UART0->INTENSET |= UART_INTENSET_TXDRDY_Msk;

-

-      nvicEnableVector(UART0_IRQn, NRF5_SERIAL_UART0_PRIORITY);

-

-      if (config->rx_pad != NRF5_SERIAL_PAD_DISCONNECTED)

-        NRF_UART0->TASKS_STARTRX = 1;

-    }

-#endif

-

-  }

-}

-

-/**

- * @brief   Low level serial driver stop.

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

- *          interrupt vector.

- *

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

- *

- * @notapi

- */

-void sd_lld_stop(SerialDriver *sdp) {

-

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

-

-#if NRF5_SERIAL_USE_UART0 == TRUE

-    if (&SD1 == sdp) {

-      nvicDisableVector(UART0_IRQn);

-      NRF_UART0->ENABLE = UART_ENABLE_ENABLE_Disabled;

-    }

-#endif

-  }

-}

-

-#endif /* HAL_USE_SERIAL == TRUE */

-

-/** @} */