git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6108 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 0 insertions, 235 deletions

diff --git a/os/hal/platforms/STM32F1xx/adc_lld.c b/os/hal/platforms/STM32F1xx/adc_lld.c
deleted file mode 100644
index 9e9bbfb7d..000000000
--- a/os/hal/platforms/STM32F1xx/adc_lld.c
+++ /dev/null
@@ -1,235 +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    STM32F1xx/adc_lld.c

- * @brief   STM32F1xx ADC subsystem low level driver source.

- *

- * @addtogroup ADC

- * @{

- */

-

-#include "ch.h"

-#include "hal.h"

-

-#if HAL_USE_ADC || defined(__DOXYGEN__)

-

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

-/* Driver local definitions.                                                 */

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

-

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

-/* Driver exported variables.                                                */

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

-

-/** @brief ADC1 driver identifier.*/

-#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__)

-ADCDriver ADCD1;

-#endif

-

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

-/* Driver local variables and types.                                         */

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

-

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

-/* Driver local functions.                                                   */

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

-

-/**

- * @brief   Shared ADC DMA ISR service routine.

- *

- * @param[in] adcp      pointer to the @p ADCDriver object

- * @param[in] flags     pre-shifted content of the ISR register

- */

-static void adc_lld_serve_rx_interrupt(ADCDriver *adcp, uint32_t flags) {

-

-  /* DMA errors handling.*/

-  if ((flags & STM32_DMA_ISR_TEIF) != 0) {

-    /* DMA, this could help only if the DMA tries to access an unmapped

-       address space or violates alignment rules.*/

-    _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE);

-  }

-  else {

-    if ((flags & STM32_DMA_ISR_HTIF) != 0) {

-      /* Half transfer processing.*/

-      _adc_isr_half_code(adcp);

-    }

-    if ((flags & STM32_DMA_ISR_TCIF) != 0) {

-      /* Transfer complete processing.*/

-      _adc_isr_full_code(adcp);

-    }

-  }

-}

-

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

-/* Driver interrupt handlers.                                                */

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

-

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

-/* Driver exported functions.                                                */

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

-

-/**

- * @brief   Low level ADC driver initialization.

- *

- * @notapi

- */

-void adc_lld_init(void) {

-

-#if STM32_ADC_USE_ADC1

-  /* Driver initialization.*/

-  adcObjectInit(&ADCD1);

-  ADCD1.adc = ADC1;

-  ADCD1.dmastp  = STM32_DMA1_STREAM1;

-  ADCD1.dmamode = STM32_DMA_CR_PL(STM32_ADC_ADC1_DMA_PRIORITY) |

-                  STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD |

-                  STM32_DMA_CR_MINC        | STM32_DMA_CR_TCIE        |

-                  STM32_DMA_CR_TEIE;

-

-  /* Temporary activation.*/

-  rccEnableADC1(FALSE);

-  ADC1->CR1 = 0;

-  ADC1->CR2 = ADC_CR2_ADON;

-

-  /* Reset calibration just to be safe.*/

-  ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_RSTCAL;

-  while ((ADC1->CR2 & ADC_CR2_RSTCAL) != 0)

-    ;

-

-  /* Calibration.*/

-  ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_CAL;

-  while ((ADC1->CR2 & ADC_CR2_CAL) != 0)

-    ;

-

-  /* Return the ADC in low power mode.*/

-  ADC1->CR2 = 0;

-  rccDisableADC1(FALSE);

-#endif

-}

-

-/**

- * @brief   Configures and activates the ADC peripheral.

- *

- * @param[in] adcp      pointer to the @p ADCDriver object

- *

- * @notapi

- */

-void adc_lld_start(ADCDriver *adcp) {

-

-  /* If in stopped state then enables the ADC and DMA clocks.*/

-  if (adcp->state == ADC_STOP) {

-#if STM32_ADC_USE_ADC1

-    if (&ADCD1 == adcp) {

-      bool_t b;

-      b = dmaStreamAllocate(adcp->dmastp,

-                            STM32_ADC_ADC1_IRQ_PRIORITY,

-                            (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,

-                            (void *)adcp);

-      chDbgAssert(!b, "adc_lld_start(), #1", "stream already allocated");

-      dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);

-      rccEnableADC1(FALSE);

-    }

-#endif

-

-    /* ADC setup, the calibration procedure has already been performed

-       during initialization.*/

-    adcp->adc->CR1 = 0;

-    adcp->adc->CR2 = 0;

-  }

-}

-

-/**

- * @brief   Deactivates the ADC peripheral.

- *

- * @param[in] adcp      pointer to the @p ADCDriver object

- *

- * @notapi

- */

-void adc_lld_stop(ADCDriver *adcp) {

-

-  /* If in ready state then disables the ADC clock.*/

-  if (adcp->state == ADC_READY) {

-#if STM32_ADC_USE_ADC1

-    if (&ADCD1 == adcp) {

-      ADC1->CR1 = 0;

-      ADC1->CR2 = 0;

-      dmaStreamRelease(adcp->dmastp);

-      rccDisableADC1(FALSE);

-    }

-#endif

-  }

-}

-

-/**

- * @brief   Starts an ADC conversion.

- *

- * @param[in] adcp      pointer to the @p ADCDriver object

- *

- * @notapi

- */

-void adc_lld_start_conversion(ADCDriver *adcp) {

-  uint32_t mode, n, cr2;

-  const ADCConversionGroup *grpp = adcp->grpp;

-

-  /* DMA setup.*/

-  mode = adcp->dmamode;

-  if (grpp->circular)

-    mode |= STM32_DMA_CR_CIRC;

-  if (adcp->depth > 1) {

-    /* If the buffer depth is greater than one then the half transfer interrupt

-       interrupt is enabled in order to allows streaming processing.*/

-    mode |= STM32_DMA_CR_HTIE;

-    n = (uint32_t)grpp->num_channels * (uint32_t)adcp->depth;

-  }

-  else

-    n = (uint32_t)grpp->num_channels;

-  dmaStreamSetMemory0(adcp->dmastp, adcp->samples);

-  dmaStreamSetTransactionSize(adcp->dmastp, n);

-  dmaStreamSetMode(adcp->dmastp, mode);

-  dmaStreamEnable(adcp->dmastp);

-

-  /* ADC setup.*/

-  adcp->adc->CR1   = grpp->cr1 | ADC_CR1_SCAN;

-  cr2 = grpp->cr2 | ADC_CR2_DMA | ADC_CR2_ADON;

-  if ((cr2 & (ADC_CR2_EXTTRIG | ADC_CR2_JEXTTRIG)) == 0)

-    cr2 |= ADC_CR2_CONT;

-  adcp->adc->CR2   = grpp->cr2 | cr2;

-  adcp->adc->SMPR1 = grpp->smpr1;

-  adcp->adc->SMPR2 = grpp->smpr2;

-  adcp->adc->SQR1  = grpp->sqr1;

-  adcp->adc->SQR2  = grpp->sqr2;

-  adcp->adc->SQR3  = grpp->sqr3;

-

-  /* ADC start by writing ADC_CR2_ADON a second time.*/

-  adcp->adc->CR2   = cr2;

-}

-

-/**

- * @brief   Stops an ongoing conversion.

- *

- * @param[in] adcp      pointer to the @p ADCDriver object

- *

- * @notapi

- */

-void adc_lld_stop_conversion(ADCDriver *adcp) {

-

-  dmaStreamDisable(adcp->dmastp);

-  adcp->adc->CR2 = 0;

-}

-

-#endif /* HAL_USE_ADC */

-

-/** @} */