git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@6130 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 0 insertions, 762 deletions

diff --git a/os/hal/platforms/STM32/gpt_lld.c b/os/hal/platforms/STM32/gpt_lld.c
deleted file mode 100644
index 35268fbe5..000000000
--- a/os/hal/platforms/STM32/gpt_lld.c
+++ /dev/null
@@ -1,762 +0,0 @@
-/*

-    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio

-

-    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    STM32/gpt_lld.c

- * @brief   STM32 GPT subsystem low level driver source.

- *

- * @addtogroup GPT

- * @{

- */

-

-#include "ch.h"

-#include "hal.h"

-

-#if HAL_USE_GPT || defined(__DOXYGEN__)

-

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

-/* Driver local definitions.                                                 */

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

-

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

-/* Driver exported variables.                                                */

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

-

-/**

- * @brief   GPTD1 driver identifier.

- * @note    The driver GPTD1 allocates the complex timer TIM1 when enabled.

- */

-#if STM32_GPT_USE_TIM1 || defined(__DOXYGEN__)

-GPTDriver GPTD1;

-#endif

-

-/**

- * @brief   GPTD2 driver identifier.

- * @note    The driver GPTD2 allocates the timer TIM2 when enabled.

- */

-#if STM32_GPT_USE_TIM2 || defined(__DOXYGEN__)

-GPTDriver GPTD2;

-#endif

-

-/**

- * @brief   GPTD3 driver identifier.

- * @note    The driver GPTD3 allocates the timer TIM3 when enabled.

- */

-#if STM32_GPT_USE_TIM3 || defined(__DOXYGEN__)

-GPTDriver GPTD3;

-#endif

-

-/**

- * @brief   GPTD4 driver identifier.

- * @note    The driver GPTD4 allocates the timer TIM4 when enabled.

- */

-#if STM32_GPT_USE_TIM4 || defined(__DOXYGEN__)

-GPTDriver GPTD4;

-#endif

-

-/**

- * @brief   GPTD5 driver identifier.

- * @note    The driver GPTD5 allocates the timer TIM5 when enabled.

- */

-#if STM32_GPT_USE_TIM5 || defined(__DOXYGEN__)

-GPTDriver GPTD5;

-#endif

-

-/**

- * @brief   GPTD6 driver identifier.

- * @note    The driver GPTD6 allocates the timer TIM6 when enabled.

- */

-#if STM32_GPT_USE_TIM6 || defined(__DOXYGEN__)

-GPTDriver GPTD6;

-#endif

-

-/**

- * @brief   GPTD7 driver identifier.

- * @note    The driver GPTD7 allocates the timer TIM7 when enabled.

- */

-#if STM32_GPT_USE_TIM7 || defined(__DOXYGEN__)

-GPTDriver GPTD7;

-#endif

-

-/**

- * @brief   GPTD8 driver identifier.

- * @note    The driver GPTD8 allocates the timer TIM8 when enabled.

- */

-#if STM32_GPT_USE_TIM8 || defined(__DOXYGEN__)

-GPTDriver GPTD8;

-#endif

-

-/**

- * @brief   GPTD9 driver identifier.

- * @note    The driver GPTD9 allocates the timer TIM9 when enabled.

- */

-#if STM32_GPT_USE_TIM9 || defined(__DOXYGEN__)

-GPTDriver GPTD9;

-#endif

-

-/**

- * @brief   GPTD11 driver identifier.

- * @note    The driver GPTD11 allocates the timer TIM11 when enabled.

- */

-#if STM32_GPT_USE_TIM11 || defined(__DOXYGEN__)

-GPTDriver GPTD11;

-#endif

-

-/**

- * @brief   GPTD12 driver identifier.

- * @note    The driver GPTD12 allocates the timer TIM12 when enabled.

- */

-#if STM32_GPT_USE_TIM12 || defined(__DOXYGEN__)

-GPTDriver GPTD12;

-#endif

-

-/**

- * @brief   GPTD14 driver identifier.

- * @note    The driver GPTD14 allocates the timer TIM14 when enabled.

- */

-#if STM32_GPT_USE_TIM14 || defined(__DOXYGEN__)

-GPTDriver GPTD14;

-#endif

-

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

-/* Driver local variables and types.                                         */

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

-

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

-/* Driver local functions.                                                   */

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

-

-/**

- * @brief   Shared IRQ handler.

- *

- * @param[in] gptp      pointer to a @p GPTDriver object

- */

-static void gpt_lld_serve_interrupt(GPTDriver *gptp) {

-

-  gptp->tim->SR = 0;

-  if (gptp->state == GPT_ONESHOT) {

-    gptp->state = GPT_READY;                /* Back in GPT_READY state.     */

-    gpt_lld_stop_timer(gptp);               /* Timer automatically stopped. */

-  }

-  gptp->config->callback(gptp);

-}

-

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

-/* Driver interrupt handlers.                                                */

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

-

-#if STM32_GPT_USE_TIM1

-#if !defined(STM32_TIM1_UP_HANDLER)

-#error "STM32_TIM1_UP_HANDLER not defined"

-#endif

-/**

- * @brief   TIM2 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM1_UP_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD1);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM1 */

-

-#if STM32_GPT_USE_TIM2

-#if !defined(STM32_TIM2_HANDLER)

-#error "STM32_TIM2_HANDLER not defined"

-#endif

-/**

- * @brief   TIM2 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM2_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD2);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM2 */

-

-#if STM32_GPT_USE_TIM3

-#if !defined(STM32_TIM3_HANDLER)

-#error "STM32_TIM3_HANDLER not defined"

-#endif

-/**

- * @brief   TIM3 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM3_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD3);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM3 */

-

-#if STM32_GPT_USE_TIM4

-#if !defined(STM32_TIM4_HANDLER)

-#error "STM32_TIM4_HANDLER not defined"

-#endif

-/**

- * @brief   TIM4 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM4_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD4);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM4 */

-

-#if STM32_GPT_USE_TIM5

-#if !defined(STM32_TIM5_HANDLER)

-#error "STM32_TIM5_HANDLER not defined"

-#endif

-/**

- * @brief   TIM5 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM5_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD5);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM5 */

-

-#if STM32_GPT_USE_TIM6

-#if !defined(STM32_TIM6_HANDLER)

-#error "STM32_TIM6_HANDLER not defined"

-#endif

-/**

- * @brief   TIM6 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM6_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD6);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM6 */

-

-#if STM32_GPT_USE_TIM7

-#if !defined(STM32_TIM7_HANDLER)

-#error "STM32_TIM7_HANDLER not defined"

-#endif

-/**

- * @brief   TIM7 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM7_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD7);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM7 */

-

-#if STM32_GPT_USE_TIM8

-#if !defined(STM32_TIM8_UP_HANDLER)

-#error "STM32_TIM8_UP_HANDLER not defined"

-#endif

-/**

- * @brief   TIM8 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM8_UP_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD8);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM8 */

-

-#if STM32_GPT_USE_TIM9

-#if !defined(STM32_TIM9_HANDLER)

-#error "STM32_TIM9_HANDLER not defined"

-#endif

-/**

- * @brief   TIM9 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM9_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD9);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM9 */

-

-#if STM32_GPT_USE_TIM11

-#if !defined(STM32_TIM11_HANDLER)

-#error "STM32_TIM11_HANDLER not defined"

-#endif

-/**

- * @brief   TIM11 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM11_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD11);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM11 */

-

-#if STM32_GPT_USE_TIM12

-#if !defined(STM32_TIM12_HANDLER)

-#error "STM32_TIM12_HANDLER not defined"

-#endif

-/**

- * @brief   TIM12 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM12_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD12);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM12 */

-

-#if STM32_GPT_USE_TIM14

-#if !defined(STM32_TIM14_HANDLER)

-#error "STM32_TIM14_HANDLER not defined"

-#endif

-/**

- * @brief   TIM14 interrupt handler.

- *

- * @isr

- */

-CH_IRQ_HANDLER(STM32_TIM14_HANDLER) {

-

-  CH_IRQ_PROLOGUE();

-

-  gpt_lld_serve_interrupt(&GPTD14);

-

-  CH_IRQ_EPILOGUE();

-}

-#endif /* STM32_GPT_USE_TIM14 */

-

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

-/* Driver exported functions.                                                */

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

-

-/**

- * @brief   Low level GPT driver initialization.

- *

- * @notapi

- */

-void gpt_lld_init(void) {

-

-#if STM32_GPT_USE_TIM1

-  /* Driver initialization.*/

-  GPTD1.tim = STM32_TIM1;

-  gptObjectInit(&GPTD1);

-#endif

-

-#if STM32_GPT_USE_TIM2

-  /* Driver initialization.*/

-  GPTD2.tim = STM32_TIM2;

-  gptObjectInit(&GPTD2);

-#endif

-

-#if STM32_GPT_USE_TIM3

-  /* Driver initialization.*/

-  GPTD3.tim = STM32_TIM3;

-  gptObjectInit(&GPTD3);

-#endif

-

-#if STM32_GPT_USE_TIM4

-  /* Driver initialization.*/

-  GPTD4.tim = STM32_TIM4;

-  gptObjectInit(&GPTD4);

-#endif

-

-#if STM32_GPT_USE_TIM5

-  /* Driver initialization.*/

-  GPTD5.tim = STM32_TIM5;

-  gptObjectInit(&GPTD5);

-#endif

-

-#if STM32_GPT_USE_TIM6

-  /* Driver initialization.*/

-  GPTD6.tim = STM32_TIM6;

-  gptObjectInit(&GPTD6);

-#endif

-

-#if STM32_GPT_USE_TIM7

-  /* Driver initialization.*/

-  GPTD7.tim = STM32_TIM7;

-  gptObjectInit(&GPTD7);

-#endif

-

-#if STM32_GPT_USE_TIM8

-  /* Driver initialization.*/

-  GPTD8.tim = STM32_TIM8;

-  gptObjectInit(&GPTD8);

-#endif

-

-#if STM32_GPT_USE_TIM9

-  /* Driver initialization.*/

-  GPTD9.tim = STM32_TIM9;

-  gptObjectInit(&GPTD9);

-#endif

-

-#if STM32_GPT_USE_TIM11

-  /* Driver initialization.*/

-  GPTD11.tim = STM32_TIM11;

-  gptObjectInit(&GPTD11);

-#endif

-

-#if STM32_GPT_USE_TIM12

-  /* Driver initialization.*/

-  GPTD12.tim = STM32_TIM12;

-  gptObjectInit(&GPTD12);

-#endif

-

-#if STM32_GPT_USE_TIM14

-  /* Driver initialization.*/

-  GPTD14.tim = STM32_TIM14;

-  gptObjectInit(&GPTD14);

-#endif

-}

-

-/**

- * @brief   Configures and activates the GPT peripheral.

- *

- * @param[in] gptp      pointer to the @p GPTDriver object

- *

- * @notapi

- */

-void gpt_lld_start(GPTDriver *gptp) {

-  uint16_t psc;

-

-  if (gptp->state == GPT_STOP) {

-    /* Clock activation.*/

-#if STM32_GPT_USE_TIM1

-    if (&GPTD1 == gptp) {

-      rccEnableTIM1(FALSE);

-      rccResetTIM1();

-      nvicEnableVector(STM32_TIM1_UP_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM1_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK2;

-    }

-#endif

-#if STM32_GPT_USE_TIM2

-    if (&GPTD2 == gptp) {

-      rccEnableTIM2(FALSE);

-      rccResetTIM2();

-      nvicEnableVector(STM32_TIM2_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM2_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK1;

-    }

-#endif

-#if STM32_GPT_USE_TIM3

-    if (&GPTD3 == gptp) {

-      rccEnableTIM3(FALSE);

-      rccResetTIM3();

-      nvicEnableVector(STM32_TIM3_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM3_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK1;

-    }

-#endif

-#if STM32_GPT_USE_TIM4

-    if (&GPTD4 == gptp) {

-      rccEnableTIM4(FALSE);

-      rccResetTIM4();

-      nvicEnableVector(STM32_TIM4_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM4_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK1;

-    }

-#endif

-

-#if STM32_GPT_USE_TIM5

-    if (&GPTD5 == gptp) {

-      rccEnableTIM5(FALSE);

-      rccResetTIM5();

-      nvicEnableVector(STM32_TIM5_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM5_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK1;

-    }

-#endif

-

-#if STM32_GPT_USE_TIM6

-    if (&GPTD6 == gptp) {

-      rccEnableTIM6(FALSE);

-      rccResetTIM6();

-      nvicEnableVector(STM32_TIM6_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM6_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK1;

-    }

-#endif

-

-#if STM32_GPT_USE_TIM7

-    if (&GPTD7 == gptp) {

-      rccEnableTIM7(FALSE);

-      rccResetTIM7();

-      nvicEnableVector(STM32_TIM7_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM7_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK1;

-    }

-#endif

-

-#if STM32_GPT_USE_TIM8

-    if (&GPTD8 == gptp) {

-      rccEnableTIM8(FALSE);

-      rccResetTIM8();

-      nvicEnableVector(STM32_TIM8_UP_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM8_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK2;

-    }

-#endif

-

-#if STM32_GPT_USE_TIM9

-    if (&GPTD9 == gptp) {

-      rccEnableTIM9(FALSE);

-      rccResetTIM9();

-      nvicEnableVector(STM32_TIM9_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM9_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK2;

-    }

-#endif

-

-#if STM32_GPT_USE_TIM11

-    if (&GPTD11 == gptp) {

-      rccEnableTIM11(FALSE);

-      rccResetTIM11();

-      nvicEnableVector(STM32_TIM11_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM11_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK2;

-    }

-#endif

-

-#if STM32_GPT_USE_TIM12

-    if (&GPTD12 == gptp) {

-      rccEnableTIM12(FALSE);

-      rccResetTIM12();

-      nvicEnableVector(STM32_TIM12_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM12_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK1;

-    }

-#endif

-

-#if STM32_GPT_USE_TIM14

-    if (&GPTD14 == gptp) {

-      rccEnableTIM14(FALSE);

-      rccResetTIM14();

-      nvicEnableVector(STM32_TIM14_NUMBER,

-                       CORTEX_PRIORITY_MASK(STM32_GPT_TIM14_IRQ_PRIORITY));

-      gptp->clock = STM32_TIMCLK1;

-    }

-#endif

-  }

-

-  /* Prescaler value calculation.*/

-  psc = (uint16_t)((gptp->clock / gptp->config->frequency) - 1);

-  chDbgAssert(((uint32_t)(psc + 1) * gptp->config->frequency) == gptp->clock,

-              "gpt_lld_start(), #1", "invalid frequency");

-

-  /* Timer configuration.*/

-  gptp->tim->CR1  = 0;                      /* Initially stopped.           */

-  gptp->tim->CR2  = TIM_CR2_CCDS;           /* DMA on UE (if any).          */

-  gptp->tim->PSC  = psc;                    /* Prescaler value.             */

-  gptp->tim->DIER = 0;

-}

-

-/**

- * @brief   Deactivates the GPT peripheral.

- *

- * @param[in] gptp      pointer to the @p GPTDriver object

- *

- * @notapi

- */

-void gpt_lld_stop(GPTDriver *gptp) {

-

-  if (gptp->state == GPT_READY) {

-    gptp->tim->CR1  = 0;                    /* Timer disabled.              */

-    gptp->tim->DIER = 0;                    /* All IRQs disabled.           */

-    gptp->tim->SR   = 0;                    /* Clear eventual pending IRQs. */

-

-#if STM32_GPT_USE_TIM1

-    if (&GPTD1 == gptp) {

-      nvicDisableVector(STM32_TIM1_UP_NUMBER);

-      rccDisableTIM1(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM2

-    if (&GPTD2 == gptp) {

-      nvicDisableVector(STM32_TIM2_NUMBER);

-      rccDisableTIM2(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM3

-    if (&GPTD3 == gptp) {

-      nvicDisableVector(STM32_TIM3_NUMBER);

-      rccDisableTIM3(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM4

-    if (&GPTD4 == gptp) {

-      nvicDisableVector(STM32_TIM4_NUMBER);

-      rccDisableTIM4(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM5

-    if (&GPTD5 == gptp) {

-      nvicDisableVector(STM32_TIM5_NUMBER);

-      rccDisableTIM5(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM6

-    if (&GPTD6 == gptp) {

-      nvicDisableVector(STM32_TIM6_NUMBER);

-      rccDisableTIM6(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM7

-    if (&GPTD7 == gptp) {

-      nvicDisableVector(STM32_TIM7_NUMBER);

-      rccDisableTIM7(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM8

-    if (&GPTD8 == gptp) {

-      nvicDisableVector(STM32_TIM8_UP_NUMBER);

-      rccDisableTIM8(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM9

-    if (&GPTD9 == gptp) {

-      nvicDisableVector(STM32_TIM9_NUMBER);

-      rccDisableTIM9(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM11

-    if (&GPTD11 == gptp) {

-      nvicDisableVector(STM32_TIM11_NUMBER);

-      rccDisableTIM11(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM12

-    if (&GPTD12 == gptp) {

-      nvicDisableVector(STM32_TIM12_NUMBER);

-      rccDisableTIM12(FALSE);

-    }

-#endif

-#if STM32_GPT_USE_TIM14

-    if (&GPTD14 == gptp) {

-      nvicDisableVector(STM32_TIM14_NUMBER);

-      rccDisableTIM14(FALSE);

-    }

-#endif

-  }

-}

-

-/**

- * @brief   Starts the timer in continuous mode.

- *

- * @param[in] gptp      pointer to the @p GPTDriver object

- * @param[in] interval  period in ticks

- *

- * @notapi

- */

-void gpt_lld_start_timer(GPTDriver *gptp, gptcnt_t interval) {

-

-  gptp->tim->ARR  = interval - 1;           /* Time constant.               */

-  gptp->tim->EGR  = TIM_EGR_UG;             /* Update event.                */

-  gptp->tim->CNT  = 0;                      /* Reset counter.               */

-  /* NOTE: After generating the UG event it takes several clock cycles before

-     SR bit 0 goes to 1. This is because the clearing of CNT has been inserted

-     before the clearing of SR, to give it some time.*/

-  gptp->tim->SR   = 0;                      /* Clear pending IRQs (if any). */

-  gptp->tim->DIER = TIM_DIER_UIE;           /* Update Event IRQ enabled.    */

-  gptp->tim->CR1  = TIM_CR1_URS | TIM_CR1_CEN;

-}

-

-/**

- * @brief   Stops the timer.

- *

- * @param[in] gptp      pointer to the @p GPTDriver object

- *

- * @notapi

- */

-void gpt_lld_stop_timer(GPTDriver *gptp) {

-

-  gptp->tim->CR1  = 0;                      /* Initially stopped.           */

-  gptp->tim->SR   = 0;                      /* Clear pending IRQs (if any). */

-  gptp->tim->DIER = 0;                      /* Interrupts disabled.         */

-}

-

-/**

- * @brief   Starts the timer in one shot mode and waits for completion.

- * @details This function specifically polls the timer waiting for completion

- *          in order to not have extra delays caused by interrupt servicing,

- *          this function is only recommended for short delays.

- *

- * @param[in] gptp      pointer to the @p GPTDriver object

- * @param[in] interval  time interval in ticks

- *

- * @notapi

- */

-void gpt_lld_polled_delay(GPTDriver *gptp, gptcnt_t interval) {

-

-  gptp->tim->ARR  = interval - 1;           /* Time constant.               */

-  gptp->tim->EGR  = TIM_EGR_UG;             /* Update event.                */

-  gptp->tim->SR   = 0;                      /* Clear pending IRQs (if any). */

-  gptp->tim->CR1  = TIM_CR1_OPM | TIM_CR1_URS | TIM_CR1_CEN;

-  while (!(gptp->tim->SR & TIM_SR_UIF))

-    ;

-}

-

-#endif /* HAL_USE_GPT */

-

-/** @} */