git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5336 35acf78f-673a-0410-8e92-d51de3d6d3f4

3 files changed, 421 insertions, 1 deletions

diff --git a/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.c b/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.c
new file mode 100644
index 000000000..083d84500
--- /dev/null
+++ b/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.c
@@ -0,0 +1,152 @@
+/*

+ * Licensed under ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2

+ *

+ * 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    SPC5xx/EQADC_v1/adc_lld.c

+ * @brief   SPC5xx low level ADC driver code.

+ *

+ * @addtogroup ADC

+ * @{

+ */

+

+#include "ch.h"

+#include "hal.h"

+

+#if HAL_USE_ADC || defined(__DOXYGEN__)

+

+/*===========================================================================*/

+/* Driver local definitions.                                                 */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver exported variables.                                                */

+/*===========================================================================*/

+

+/**

+ * @brief   ADCD1 driver identifier.

+ */

+#if SPC5_ADC_USE_EQADC1_Q0 || defined(__DOXYGEN__)

+ADCDriver ADCD10;

+#endif

+

+/**

+ * @brief   ADCD20 driver identifier.

+ */

+#if SPC5_ADC_USE_EQADC2_Q0 || defined(__DOXYGEN__)

+ADCDriver ADCD20;

+#endif

+

+/*===========================================================================*/

+/* Driver local variables.                                                   */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver local functions.                                                   */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver interrupt handlers.                                                */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver exported functions.                                                */

+/*===========================================================================*/

+

+/**

+ * @brief   Low level ADC driver initialization.

+ *

+ * @notapi

+ */

+void adc_lld_init(void) {

+

+#if SPC5_ADC_USE_EQADC1_Q0

+  /* Driver initialization.*/

+  adcObjectInit(&ADCD10);

+#endif /* SPC5_ADC_USE_EQADC1_Q0 */

+

+#if SPC5_ADC_USE_EQADC2_Q0

+  /* Driver initialization.*/

+  adcObjectInit(&ADCD20);

+#endif /* SPC5_ADC_USE_EQADC2_Q0 */

+}

+

+/**

+ * @brief   Configures and activates the ADC peripheral.

+ *

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

+ *

+ * @notapi

+ */

+void adc_lld_start(ADCDriver *adcp) {

+

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

+    /* Enables the peripheral.*/

+#if SPC5_ADC_USE_EQADC1_Q0

+    if (&ADCD10 == adcp) {

+

+    }

+#endif /* SPC5_ADC_USE_EQADC1_Q0 */

+  }

+  /* Configures the peripheral.*/

+

+}

+

+/**

+ * @brief   Deactivates the ADC peripheral.

+ *

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

+ *

+ * @notapi

+ */

+void adc_lld_stop(ADCDriver *adcp) {

+

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

+    /* Resets the peripheral.*/

+

+    /* Disables the peripheral.*/

+#if SPC5_ADC_USE_EQADC1_Q0

+    if (&ADCD1 == adcp) {

+

+    }

+#endif /* SPC5_ADC_USE_EQADC1_Q0 */

+  }

+}

+

+/**

+ * @brief   Starts an ADC conversion.

+ *

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

+ *

+ * @notapi

+ */

+void adc_lld_start_conversion(ADCDriver *adcp) {

+

+  (void)adcp;

+}

+

+/**

+ * @brief   Stops an ongoing conversion.

+ *

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

+ *

+ * @notapi

+ */

+void adc_lld_stop_conversion(ADCDriver *adcp) {

+

+  (void)adcp;

+}

+

+#endif /* HAL_USE_ADC */

+

+/** @} */

diff --git a/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.h b/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.h
new file mode 100644
index 000000000..e04da1b69
--- /dev/null
+++ b/os/hal/platforms/SPC5xx/EQADC_v1/adc_lld.h
@@ -0,0 +1,268 @@
+/*

+ * Licensed under ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2

+ *

+ * 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    SPC5xx/EQADC_v1/adc_lld.c

+ * @brief   SPC5xx low level ADC driver header.

+ *

+ * @addtogroup ADC

+ * @{

+ */

+

+#ifndef _ADC_LLD_H_

+#define _ADC_LLD_H_

+

+#if HAL_USE_ADC || defined(__DOXYGEN__)

+

+/*===========================================================================*/

+/* Driver constants.                                                         */

+/*===========================================================================*/

+

+/**

+ * @name    CFIFO commands

+ * @{

+ */

+#define ADC_CFIFO_CHANNEL_MASK  (0xFFU << 8)/**< @brief Channel number mask.*/

+#define ADC_CFIFO_CHANNEL(n)    ((n) << 8)  /**< @brief Channel number.     */

+#define ADC_CFIFO_FMT_RJU       (0U << 16)  /**< @brief Unsigned samples.   */

+#define ADC_CFIFO_FMT_RJS       (1U << 16)  /**< @brief Signed samples.     */

+#define ADC_CFIFO_TSR           (1U << 17)  /**< @brief Time stamp request. */

+#define ADC_CFIFO_LST_MASK      (3U << 18)  /**< @brief Sample time.        */

+#define ADC_CFIFO_LST_2         (0U << 18)  /**< @brief 2 clock cycles.     */

+#define ADC_CFIFO_LST_8         (1U << 18)  /**< @brief 8 clock cycles.     */

+#define ADC_CFIFO_LST_64        (2U << 18)  /**< @brief 64 clock cycles.    */

+#define ADC_CFIFO_LST_128       (3U << 18)  /**< @brief 128 clock cycles.   */

+#define ADC_CFIFO_MSG_MASK      (15U << 20) /**< @brief Message mask.       */

+#define ADC_CFIFO_MSG_RFIFO(n)  ((n) << 20) /**< @brief Result in RFIFO0..5.*/

+#define ADC_CFIFO_MSG_NULL      (6U << 20)  /**< @brief Null message.       */

+#define ADC_CFIFO_CAL           (1U << 24)  /**< @brief Calibrated result.  */

+#define ADC_CFIFO_BN_MASK       (1U << 25)  /**< @brief Buffer number mask. */

+#define ADC_CFIFO_BN(n)         ((n) << 25) /**< @brief Buffer number.      */

+#define ADC_CFIFO_REP           (1U << 29)  /**< @brief Repeat loop flag.   */

+#define ADC_CFIFO_PAUSE         (1U << 30)  /**< @brief Pause flag.         */

+#define ADC_CFIFO_EOQ           (1U << 31)  /**< @brief End of queue flag.  */

+/** @} */

+

+/*===========================================================================*/

+/* Driver pre-compile time settings.                                         */

+/*===========================================================================*/

+

+/**

+ * @name    Configuration options

+ * @{

+ */

+/**

+ * @brief   ADCD10 driver enable switch.

+ * @details If set to @p TRUE the support for EQADC1 queue 0 is included.

+ * @note    The default is @p FALSE.

+ */

+#if !defined(SPC5_ADC_USE_EQADC1_Q0) || defined(__DOXYGEN__)

+#define SPC5_ADC_USE_EQADC1_Q0                 FALSE

+#endif

+

+/**

+ * @brief   ADCD20 driver enable switch.

+ * @details If set to @p TRUE the support for EQADC2 queue 0 is included.

+ * @note    The default is @p FALSE.

+ */

+#if !defined(SPC5_ADC_USE_EQADC2_Q0) || defined(__DOXYGEN__)

+#define SPC5_ADC_USE_EQADC2_Q0                 FALSE

+#endif

+/** @} */

+

+/*===========================================================================*/

+/* Derived constants and error checks.                                       */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* Driver data structures and types.                                         */

+/*===========================================================================*/

+

+/**

+ * @brief   ADC command data type.

+ */

+typedef uint32_t adccommand_t;

+

+/**

+ * @brief   ADC sample data type.

+ */

+typedef uint16_t adcsample_t;

+

+/**

+ * @brief   Channels number in a conversion group.

+ */

+typedef uint16_t adc_channels_num_t;

+

+/**

+ * @brief   Possible ADC failure causes.

+ * @note    Error codes are architecture dependent and should not relied

+ *          upon.

+ */

+typedef enum {

+  ADC_ERR_DMAFAILURE = 0,                   /**< DMA operations failure.    */

+  ADC_ERR_OVERFLOW = 1                      /**< ADC overflow condition.    */

+} adcerror_t;

+

+/**

+ * @brief   Type of a structure representing an ADC driver.

+ */

+typedef struct ADCDriver ADCDriver;

+

+/**

+ * @brief   ADC notification callback type.

+ *

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

+ *                      callback

+ * @param[in] buffer    pointer to the most recent samples data

+ * @param[in] n         number of buffer rows available starting from @p buffer

+ */

+typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n);

+

+/**

+ * @brief   ADC error callback type.

+ *

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

+ *                      callback

+ * @param[in] err       ADC error code

+ */

+typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err);

+

+/**

+ * @brief   Conversion group configuration structure.

+ * @details This implementation-dependent structure describes a conversion

+ *          operation.

+ * @note    Implementations may extend this structure to contain more,

+ *          architecture dependent, fields.

+ */

+typedef struct {

+  /**

+   * @brief   Enables the circular buffer mode for the group.

+   */

+  bool_t                    circular;

+  /**

+   * @brief   Number of the analog channels belonging to the conversion group.

+   */

+  adc_channels_num_t        num_channels;

+  /**

+   * @brief   Callback function associated to the group or @p NULL.

+   */

+  adccallback_t             end_cb;

+  /**

+   * @brief   Error callback or @p NULL.

+   */

+  adcerrorcallback_t        error_cb;

+  /* End of the mandatory fields.*/

+  /**

+   * @brief   Number of command iterations stored in @p commands.

+   * @note    The total number of array elements must be @p num_channels *

+   *          @p num_iterations.

+   * @note    This fields is the upper limit of the parameter @p n that can

+   *          be passed to the functions @p adcConvert() and

+   *          @p adcStartConversion().

+   */

+  uint32_t                  num_iterations;

+  /**

+   * @brief   Pointer to an array of low level EQADC commands to be pushed

+   *          into the CFIFO during a conversion.

+   */

+  const adccommand_t        *commands;

+} ADCConversionGroup;

+

+/**

+ * @brief   Driver configuration structure.

+ * @note    It could be empty on some architectures.

+ */

+typedef struct {

+  uint32_t                  dummy;

+} ADCConfig;

+

+/**

+ * @brief   Structure representing an ADC driver.

+ */

+struct ADCDriver {

+  /**

+   * @brief   Driver state.

+   */

+  adcstate_t                state;

+  /**

+   * @brief   Current configuration data.

+   */

+  const ADCConfig           *config;

+  /**

+   * @brief   Current samples buffer pointer or @p NULL.

+   */

+  adcsample_t               *samples;

+  /**

+   * @brief   Current samples buffer depth or @p 0.

+   */

+  size_t                    depth;

+  /**

+   * @brief   Current conversion group pointer or @p NULL.

+   */

+  const ADCConversionGroup  *grpp;

+#if ADC_USE_WAIT || defined(__DOXYGEN__)

+  /**

+   * @brief   Waiting thread.

+   */

+  Thread                    *thread;

+#endif

+#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)

+#if CH_USE_MUTEXES || defined(__DOXYGEN__)

+  /**

+   * @brief   Mutex protecting the peripheral.

+   */

+  Mutex                     mutex;

+#elif CH_USE_SEMAPHORES

+  Semaphore                 semaphore;

+#endif

+#endif /* ADC_USE_MUTUAL_EXCLUSION */

+#if defined(ADC_DRIVER_EXT_FIELDS)

+  ADC_DRIVER_EXT_FIELDS

+#endif

+  /* End of the mandatory fields.*/

+};

+

+/*===========================================================================*/

+/* Driver macros.                                                            */

+/*===========================================================================*/

+

+/*===========================================================================*/

+/* External declarations.                                                    */

+/*===========================================================================*/

+

+#if SPC5_ADC_USE_EQADC1_Q0 && !defined(__DOXYGEN__)

+extern ADCDriver ADCD10;

+#endif

+

+#if SPC5_ADC_USE_EQADC2_Q0 && !defined(__DOXYGEN__)

+extern ADCDriver ADCD20;

+#endif

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+  void adc_lld_init(void);

+  void adc_lld_start(ADCDriver *adcp);

+  void adc_lld_stop(ADCDriver *adcp);

+  void adc_lld_start_conversion(ADCDriver *adcp);

+  void adc_lld_stop_conversion(ADCDriver *adcp);

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* HAL_USE_ADC */

+

+#endif /* _ADC_LLD_H_ */

+

+/** @} */

diff --git a/os/hal/platforms/SPC5xx/ESCI_v1/serial_lld.h b/os/hal/platforms/SPC5xx/ESCI_v1/serial_lld.h
index 2624ef413..93fd94a10 100644
--- a/os/hal/platforms/SPC5xx/ESCI_v1/serial_lld.h
+++ b/os/hal/platforms/SPC5xx/ESCI_v1/serial_lld.h
@@ -14,7 +14,7 @@
 

 /**

  * @file    SPC5xx/ESCI_v1/serial_lld.c

- * @brief   SPC5xx low level serial driver code.

+ * @brief   SPC5xx low level serial driver header.

  *

  * @addtogroup SERIAL

  * @{